| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt SVG module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qplatformdefs.h" |
| |
| #include "qsvghandler_p.h" |
| |
| #include "qsvgtinydocument_p.h" |
| #include "qsvgstructure_p.h" |
| #include "qsvggraphics_p.h" |
| #include "qsvgnode_p.h" |
| #include "qsvgfont_p.h" |
| |
| #include "qpen.h" |
| #include "qpainterpath.h" |
| #include "qbrush.h" |
| #include "qcolor.h" |
| #include "qtextformat.h" |
| #include "qvector.h" |
| #include "qfileinfo.h" |
| #include "qfile.h" |
| #include "qdir.h" |
| #include "qdebug.h" |
| #include "qmath.h" |
| #include "qnumeric.h" |
| #include <qregularexpression.h> |
| #include "qvarlengtharray.h" |
| #include "private/qmath_p.h" |
| |
| #include "float.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| Q_LOGGING_CATEGORY(lcSvgHandler, "qt.svg") |
| |
| static const char *qt_inherit_text = "inherit"; |
| #define QT_INHERIT QLatin1String(qt_inherit_text) |
| |
| static QByteArray prefixMessage(const QByteArray &msg, const QXmlStreamReader *r) |
| { |
| QByteArray result; |
| if (r) { |
| if (const QFile *file = qobject_cast<const QFile *>(r->device())) |
| result.append(QFile::encodeName(QDir::toNativeSeparators(file->fileName()))); |
| else |
| result.append(QByteArrayLiteral("<input>")); |
| result.append(':'); |
| result.append(QByteArray::number(r->lineNumber())); |
| if (const qint64 column = r->columnNumber()) { |
| result.append(':'); |
| result.append(QByteArray::number(column)); |
| } |
| result.append(QByteArrayLiteral(": ")); |
| } |
| result.append(msg); |
| return result; |
| } |
| |
| static inline QByteArray msgProblemParsing(const QString &localName, const QXmlStreamReader *r) |
| { |
| return prefixMessage(QByteArrayLiteral("Problem parsing ") + localName.toLocal8Bit(), r); |
| } |
| |
| static inline QByteArray msgCouldNotResolveProperty(const QString &id, const QXmlStreamReader *r) |
| { |
| return prefixMessage(QByteArrayLiteral("Could not resolve property: ") + id.toLocal8Bit(), r); |
| } |
| |
| // ======== duplicated from qcolor_p |
| |
| static inline int qsvg_h2i(char hex) |
| { |
| if (hex >= '0' && hex <= '9') |
| return hex - '0'; |
| if (hex >= 'a' && hex <= 'f') |
| return hex - 'a' + 10; |
| if (hex >= 'A' && hex <= 'F') |
| return hex - 'A' + 10; |
| return -1; |
| } |
| |
| static inline int qsvg_hex2int(const char *s) |
| { |
| return (qsvg_h2i(s[0]) << 4) | qsvg_h2i(s[1]); |
| } |
| |
| static inline int qsvg_hex2int(char s) |
| { |
| int h = qsvg_h2i(s); |
| return (h << 4) | h; |
| } |
| |
| bool qsvg_get_hex_rgb(const char *name, QRgb *rgb) |
| { |
| if(name[0] != '#') |
| return false; |
| name++; |
| int len = qstrlen(name); |
| int r, g, b; |
| if (len == 12) { |
| r = qsvg_hex2int(name); |
| g = qsvg_hex2int(name + 4); |
| b = qsvg_hex2int(name + 8); |
| } else if (len == 9) { |
| r = qsvg_hex2int(name); |
| g = qsvg_hex2int(name + 3); |
| b = qsvg_hex2int(name + 6); |
| } else if (len == 6) { |
| r = qsvg_hex2int(name); |
| g = qsvg_hex2int(name + 2); |
| b = qsvg_hex2int(name + 4); |
| } else if (len == 3) { |
| r = qsvg_hex2int(name[0]); |
| g = qsvg_hex2int(name[1]); |
| b = qsvg_hex2int(name[2]); |
| } else { |
| r = g = b = -1; |
| } |
| if ((uint)r > 255 || (uint)g > 255 || (uint)b > 255) { |
| *rgb = 0; |
| return false; |
| } |
| *rgb = qRgb(r, g ,b); |
| return true; |
| } |
| |
| bool qsvg_get_hex_rgb(const QChar *str, int len, QRgb *rgb) |
| { |
| if (len > 13) |
| return false; |
| char tmp[16]; |
| for(int i = 0; i < len; ++i) |
| tmp[i] = str[i].toLatin1(); |
| tmp[len] = 0; |
| return qsvg_get_hex_rgb(tmp, rgb); |
| } |
| |
| // ======== end of qcolor_p duplicate |
| |
| static bool parsePathDataFast(const QStringRef &data, QPainterPath &path); |
| |
| static inline QString someId(const QXmlStreamAttributes &attributes) |
| { |
| QString id = attributes.value(QLatin1String("id")).toString(); |
| if (id.isEmpty()) |
| id = attributes.value(QLatin1String("xml:id")).toString(); |
| return id; |
| } |
| |
| struct QSvgAttributes |
| { |
| QSvgAttributes(const QXmlStreamAttributes &xmlAttributes, QSvgHandler *handler); |
| |
| QString id; |
| |
| QStringRef color; |
| QStringRef colorOpacity; |
| QStringRef fill; |
| QStringRef fillRule; |
| QStringRef fillOpacity; |
| QStringRef stroke; |
| QStringRef strokeDashArray; |
| QStringRef strokeDashOffset; |
| QStringRef strokeLineCap; |
| QStringRef strokeLineJoin; |
| QStringRef strokeMiterLimit; |
| QStringRef strokeOpacity; |
| QStringRef strokeWidth; |
| QStringRef vectorEffect; |
| QStringRef fontFamily; |
| QStringRef fontSize; |
| QStringRef fontStyle; |
| QStringRef fontWeight; |
| QStringRef fontVariant; |
| QStringRef textAnchor; |
| QStringRef transform; |
| QStringRef visibility; |
| QStringRef opacity; |
| QStringRef compOp; |
| QStringRef display; |
| QStringRef offset; |
| QStringRef stopColor; |
| QStringRef stopOpacity; |
| |
| #ifndef QT_NO_CSSPARSER |
| QVector<QSvgCssAttribute> m_cssAttributes; |
| #endif |
| }; |
| |
| QSvgAttributes::QSvgAttributes(const QXmlStreamAttributes &xmlAttributes, QSvgHandler *handler) |
| { |
| #ifndef QT_NO_CSSPARSER |
| QStringRef style = xmlAttributes.value(QLatin1String("style")); |
| if (!style.isEmpty()) { |
| handler->parseCSStoXMLAttrs(style.toString(), &m_cssAttributes); |
| for (int j = 0; j < m_cssAttributes.count(); ++j) { |
| const QSvgCssAttribute &attribute = m_cssAttributes.at(j); |
| QStringRef name = attribute.name; |
| QStringRef value = attribute.value; |
| if (name.isEmpty()) |
| continue; |
| |
| switch (name.at(0).unicode()) { |
| |
| case 'c': |
| if (name == QLatin1String("color")) |
| color = value; |
| else if (name == QLatin1String("color-opacity")) |
| colorOpacity = value; |
| else if (name == QLatin1String("comp-op")) |
| compOp = value; |
| break; |
| |
| case 'd': |
| if (name == QLatin1String("display")) |
| display = value; |
| break; |
| |
| case 'f': |
| if (name == QLatin1String("fill")) |
| fill = value; |
| else if (name == QLatin1String("fill-rule")) |
| fillRule = value; |
| else if (name == QLatin1String("fill-opacity")) |
| fillOpacity = value; |
| else if (name == QLatin1String("font-family")) |
| fontFamily = value; |
| else if (name == QLatin1String("font-size")) |
| fontSize = value; |
| else if (name == QLatin1String("font-style")) |
| fontStyle = value; |
| else if (name == QLatin1String("font-weight")) |
| fontWeight = value; |
| else if (name == QLatin1String("font-variant")) |
| fontVariant = value; |
| break; |
| |
| case 'o': |
| if (name == QLatin1String("opacity")) |
| opacity = value; |
| else if (name == QLatin1String("offset")) |
| offset = value; |
| break; |
| |
| case 's': |
| if (name.length() > 5 && QStringRef(name.string(), name.position() + 1, 5) == QLatin1String("troke")) { |
| QStringRef strokeRef(name.string(), name.position() + 6, name.length() - 6); |
| if (strokeRef.isEmpty()) |
| stroke = value; |
| else if (strokeRef == QLatin1String("-dasharray")) |
| strokeDashArray = value; |
| else if (strokeRef == QLatin1String("-dashoffset")) |
| strokeDashOffset = value; |
| else if (strokeRef == QLatin1String("-linecap")) |
| strokeLineCap = value; |
| else if (strokeRef == QLatin1String("-linejoin")) |
| strokeLineJoin = value; |
| else if (strokeRef == QLatin1String("-miterlimit")) |
| strokeMiterLimit = value; |
| else if (strokeRef == QLatin1String("-opacity")) |
| strokeOpacity = value; |
| else if (strokeRef == QLatin1String("-width")) |
| strokeWidth = value; |
| } |
| else if (name == QLatin1String("stop-color")) |
| stopColor = value; |
| else if (name == QLatin1String("stop-opacity")) |
| stopOpacity = value; |
| break; |
| |
| case 't': |
| if (name == QLatin1String("text-anchor")) |
| textAnchor = value; |
| else if (name == QLatin1String("transform")) |
| transform = value; |
| break; |
| |
| case 'v': |
| if (name == QLatin1String("vector-effect")) |
| vectorEffect = value; |
| else if (name == QLatin1String("visibility")) |
| visibility = value; |
| break; |
| |
| default: |
| break; |
| } |
| } |
| } |
| #else |
| Q_UNUSED(handler); |
| #endif // QT_NO_CSSPARSER |
| |
| for (int i = 0; i < xmlAttributes.count(); ++i) { |
| const QXmlStreamAttribute &attribute = xmlAttributes.at(i); |
| QStringRef name = attribute.qualifiedName(); |
| if (name.isEmpty()) |
| continue; |
| QStringRef value = attribute.value(); |
| |
| switch (name.at(0).unicode()) { |
| |
| case 'c': |
| if (name == QLatin1String("color")) |
| color = value; |
| else if (name == QLatin1String("color-opacity")) |
| colorOpacity = value; |
| else if (name == QLatin1String("comp-op")) |
| compOp = value; |
| break; |
| |
| case 'd': |
| if (name == QLatin1String("display")) |
| display = value; |
| break; |
| |
| case 'f': |
| if (name == QLatin1String("fill")) |
| fill = value; |
| else if (name == QLatin1String("fill-rule")) |
| fillRule = value; |
| else if (name == QLatin1String("fill-opacity")) |
| fillOpacity = value; |
| else if (name == QLatin1String("font-family")) |
| fontFamily = value; |
| else if (name == QLatin1String("font-size")) |
| fontSize = value; |
| else if (name == QLatin1String("font-style")) |
| fontStyle = value; |
| else if (name == QLatin1String("font-weight")) |
| fontWeight = value; |
| else if (name == QLatin1String("font-variant")) |
| fontVariant = value; |
| break; |
| |
| case 'i': |
| if (name == QLatin1String("id")) |
| id = value.toString(); |
| break; |
| |
| case 'o': |
| if (name == QLatin1String("opacity")) |
| opacity = value; |
| if (name == QLatin1String("offset")) |
| offset = value; |
| break; |
| |
| case 's': |
| if (name.length() > 5 && QStringRef(name.string(), name.position() + 1, 5) == QLatin1String("troke")) { |
| QStringRef strokeRef(name.string(), name.position() + 6, name.length() - 6); |
| if (strokeRef.isEmpty()) |
| stroke = value; |
| else if (strokeRef == QLatin1String("-dasharray")) |
| strokeDashArray = value; |
| else if (strokeRef == QLatin1String("-dashoffset")) |
| strokeDashOffset = value; |
| else if (strokeRef == QLatin1String("-linecap")) |
| strokeLineCap = value; |
| else if (strokeRef == QLatin1String("-linejoin")) |
| strokeLineJoin = value; |
| else if (strokeRef == QLatin1String("-miterlimit")) |
| strokeMiterLimit = value; |
| else if (strokeRef == QLatin1String("-opacity")) |
| strokeOpacity = value; |
| else if (strokeRef == QLatin1String("-width")) |
| strokeWidth = value; |
| } |
| else if (name == QLatin1String("stop-color")) |
| stopColor = value; |
| else if (name == QLatin1String("stop-opacity")) |
| stopOpacity = value; |
| break; |
| |
| case 't': |
| if (name == QLatin1String("text-anchor")) |
| textAnchor = value; |
| else if (name == QLatin1String("transform")) |
| transform = value; |
| break; |
| |
| case 'v': |
| if (name == QLatin1String("vector-effect")) |
| vectorEffect = value; |
| else if (name == QLatin1String("visibility")) |
| visibility = value; |
| break; |
| |
| case 'x': |
| if (name == QLatin1String("xml:id") && id.isEmpty()) |
| id = value.toString(); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| } |
| |
| #ifndef QT_NO_CSSPARSER |
| |
| static const char * QSvgStyleSelector_nodeString[] = { |
| "svg", |
| "g", |
| "defs", |
| "switch", |
| "animation", |
| "arc", |
| "circle", |
| "ellipse", |
| "image", |
| "line", |
| "path", |
| "polygon", |
| "polyline", |
| "rect", |
| "text", |
| "textarea", |
| "tspan", |
| "use", |
| "video" |
| }; |
| |
| class QSvgStyleSelector : public QCss::StyleSelector |
| { |
| public: |
| QSvgStyleSelector() |
| { |
| nameCaseSensitivity = Qt::CaseInsensitive; |
| } |
| virtual ~QSvgStyleSelector() |
| { |
| } |
| |
| inline QString nodeToName(QSvgNode *node) const |
| { |
| return QLatin1String(QSvgStyleSelector_nodeString[node->type()]); |
| } |
| |
| inline QSvgNode *svgNode(NodePtr node) const |
| { |
| return (QSvgNode*)node.ptr; |
| } |
| inline QSvgStructureNode *nodeToStructure(QSvgNode *n) const |
| { |
| if (n && |
| (n->type() == QSvgNode::DOC || |
| n->type() == QSvgNode::G || |
| n->type() == QSvgNode::DEFS || |
| n->type() == QSvgNode::SWITCH)) { |
| return (QSvgStructureNode*)n; |
| } |
| return 0; |
| } |
| |
| inline QSvgStructureNode *svgStructure(NodePtr node) const |
| { |
| QSvgNode *n = svgNode(node); |
| QSvgStructureNode *st = nodeToStructure(n); |
| return st; |
| } |
| |
| bool nodeNameEquals(NodePtr node, const QString& nodeName) const override |
| { |
| QSvgNode *n = svgNode(node); |
| if (!n) |
| return false; |
| QString name = nodeToName(n); |
| return QString::compare(name, nodeName, Qt::CaseInsensitive) == 0; |
| } |
| QString attribute(NodePtr node, const QString &name) const override |
| { |
| QSvgNode *n = svgNode(node); |
| if ((!n->nodeId().isEmpty() && (name == QLatin1String("id") || |
| name == QLatin1String("xml:id")))) |
| return n->nodeId(); |
| if (!n->xmlClass().isEmpty() && name == QLatin1String("class")) |
| return n->xmlClass(); |
| return QString(); |
| } |
| bool hasAttributes(NodePtr node) const override |
| { |
| QSvgNode *n = svgNode(node); |
| return (n && |
| (!n->nodeId().isEmpty() || !n->xmlClass().isEmpty())); |
| } |
| |
| QStringList nodeIds(NodePtr node) const override |
| { |
| QSvgNode *n = svgNode(node); |
| QString nid; |
| if (n) |
| nid = n->nodeId(); |
| QStringList lst; lst.append(nid); |
| return lst; |
| } |
| |
| QStringList nodeNames(NodePtr node) const override |
| { |
| QSvgNode *n = svgNode(node); |
| if (n) |
| return QStringList(nodeToName(n)); |
| return QStringList(); |
| } |
| |
| bool isNullNode(NodePtr node) const override |
| { |
| return !node.ptr; |
| } |
| |
| NodePtr parentNode(NodePtr node) const override |
| { |
| QSvgNode *n = svgNode(node); |
| NodePtr newNode; |
| newNode.ptr = 0; |
| newNode.id = 0; |
| if (n) { |
| QSvgNode *svgParent = n->parent(); |
| if (svgParent) { |
| newNode.ptr = svgParent; |
| } |
| } |
| return newNode; |
| } |
| NodePtr previousSiblingNode(NodePtr node) const override |
| { |
| NodePtr newNode; |
| newNode.ptr = 0; |
| newNode.id = 0; |
| |
| QSvgNode *n = svgNode(node); |
| if (!n) |
| return newNode; |
| QSvgStructureNode *svgParent = nodeToStructure(n->parent()); |
| |
| if (svgParent) { |
| newNode.ptr = svgParent->previousSiblingNode(n); |
| } |
| return newNode; |
| } |
| NodePtr duplicateNode(NodePtr node) const override |
| { |
| NodePtr n; |
| n.ptr = node.ptr; |
| n.id = node.id; |
| return n; |
| } |
| void freeNode(NodePtr node) const override |
| { |
| Q_UNUSED(node); |
| } |
| }; |
| |
| #endif // QT_NO_CSSPARSER |
| |
| // '0' is 0x30 and '9' is 0x39 |
| static inline bool isDigit(ushort ch) |
| { |
| static quint16 magic = 0x3ff; |
| return ((ch >> 4) == 3) && (magic >> (ch & 15)); |
| } |
| |
| static qreal toDouble(const QChar *&str) |
| { |
| const int maxLen = 255;//technically doubles can go til 308+ but whatever |
| char temp[maxLen+1]; |
| int pos = 0; |
| |
| if (*str == QLatin1Char('-')) { |
| temp[pos++] = '-'; |
| ++str; |
| } else if (*str == QLatin1Char('+')) { |
| ++str; |
| } |
| while (isDigit(str->unicode()) && pos < maxLen) { |
| temp[pos++] = str->toLatin1(); |
| ++str; |
| } |
| if (*str == QLatin1Char('.') && pos < maxLen) { |
| temp[pos++] = '.'; |
| ++str; |
| } |
| while (isDigit(str->unicode()) && pos < maxLen) { |
| temp[pos++] = str->toLatin1(); |
| ++str; |
| } |
| bool exponent = false; |
| if ((*str == QLatin1Char('e') || *str == QLatin1Char('E')) && pos < maxLen) { |
| exponent = true; |
| temp[pos++] = 'e'; |
| ++str; |
| if ((*str == QLatin1Char('-') || *str == QLatin1Char('+')) && pos < maxLen) { |
| temp[pos++] = str->toLatin1(); |
| ++str; |
| } |
| while (isDigit(str->unicode()) && pos < maxLen) { |
| temp[pos++] = str->toLatin1(); |
| ++str; |
| } |
| } |
| |
| temp[pos] = '\0'; |
| |
| qreal val; |
| if (!exponent && pos < 10) { |
| int ival = 0; |
| const char *t = temp; |
| bool neg = false; |
| if(*t == '-') { |
| neg = true; |
| ++t; |
| } |
| while(*t && *t != '.') { |
| ival *= 10; |
| ival += (*t) - '0'; |
| ++t; |
| } |
| if(*t == '.') { |
| ++t; |
| int div = 1; |
| while(*t) { |
| ival *= 10; |
| ival += (*t) - '0'; |
| div *= 10; |
| ++t; |
| } |
| val = ((qreal)ival)/((qreal)div); |
| } else { |
| val = ival; |
| } |
| if (neg) |
| val = -val; |
| } else { |
| val = QByteArray::fromRawData(temp, pos).toDouble(); |
| } |
| return val; |
| |
| } |
| static qreal toDouble(const QString &str, bool *ok = NULL) |
| { |
| const QChar *c = str.constData(); |
| qreal res = toDouble(c); |
| if (ok) { |
| *ok = ((*c) == QLatin1Char('\0')); |
| } |
| return res; |
| } |
| |
| static qreal toDouble(const QStringRef &str, bool *ok = NULL) |
| { |
| const QChar *c = str.constData(); |
| qreal res = toDouble(c); |
| if (ok) { |
| *ok = (c == (str.constData() + str.length())); |
| } |
| return res; |
| } |
| |
| static QVector<qreal> parseNumbersList(const QChar *&str) |
| { |
| QVector<qreal> points; |
| if (!str) |
| return points; |
| points.reserve(32); |
| |
| while (str->isSpace()) |
| ++str; |
| while (isDigit(str->unicode()) || |
| *str == QLatin1Char('-') || *str == QLatin1Char('+') || |
| *str == QLatin1Char('.')) { |
| |
| points.append(toDouble(str)); |
| |
| while (str->isSpace()) |
| ++str; |
| if (*str == QLatin1Char(',')) |
| ++str; |
| |
| //eat the rest of space |
| while (str->isSpace()) |
| ++str; |
| } |
| |
| return points; |
| } |
| |
| static inline void parseNumbersArray(const QChar *&str, QVarLengthArray<qreal, 8> &points) |
| { |
| while (str->isSpace()) |
| ++str; |
| while (isDigit(str->unicode()) || |
| *str == QLatin1Char('-') || *str == QLatin1Char('+') || |
| *str == QLatin1Char('.')) { |
| |
| points.append(toDouble(str)); |
| |
| while (str->isSpace()) |
| ++str; |
| if (*str == QLatin1Char(',')) |
| ++str; |
| |
| //eat the rest of space |
| while (str->isSpace()) |
| ++str; |
| } |
| } |
| |
| static QVector<qreal> parsePercentageList(const QChar *&str) |
| { |
| QVector<qreal> points; |
| if (!str) |
| return points; |
| |
| while (str->isSpace()) |
| ++str; |
| while ((*str >= QLatin1Char('0') && *str <= QLatin1Char('9')) || |
| *str == QLatin1Char('-') || *str == QLatin1Char('+') || |
| *str == QLatin1Char('.')) { |
| |
| points.append(toDouble(str)); |
| |
| while (str->isSpace()) |
| ++str; |
| if (*str == QLatin1Char('%')) |
| ++str; |
| while (str->isSpace()) |
| ++str; |
| if (*str == QLatin1Char(',')) |
| ++str; |
| |
| //eat the rest of space |
| while (str->isSpace()) |
| ++str; |
| } |
| |
| return points; |
| } |
| |
| static QString idFromUrl(const QString &url) |
| { |
| // The form is url(<IRI>), where IRI can be |
| // just an ID on #<id> form. |
| QString::const_iterator itr = url.constBegin(); |
| QString::const_iterator end = url.constEnd(); |
| QString id; |
| while (itr != end && (*itr).isSpace()) |
| ++itr; |
| if (itr != end && (*itr) == QLatin1Char('(')) |
| ++itr; |
| else |
| return QString(); |
| while (itr != end && (*itr).isSpace()) |
| ++itr; |
| if (itr != end && (*itr) == QLatin1Char('#')) { |
| id += *itr; |
| ++itr; |
| } else { |
| return QString(); |
| } |
| while (itr != end && (*itr) != QLatin1Char(')')) { |
| id += *itr; |
| ++itr; |
| } |
| if (itr == end || (*itr) != QLatin1Char(')')) |
| return QString(); |
| return id; |
| } |
| |
| static inline QStringRef trimRef(const QStringRef &str) |
| { |
| if (str.isEmpty()) |
| return QStringRef(); |
| const QChar *s = str.string()->constData() + str.position(); |
| int end = str.length() - 1; |
| if (!s[0].isSpace() && !s[end].isSpace()) |
| return str; |
| |
| int start = 0; |
| while (start<=end && s[start].isSpace()) // skip white space from start |
| start++; |
| if (start <= end) { // only white space |
| while (s[end].isSpace()) // skip white space from end |
| end--; |
| } |
| int l = end - start + 1; |
| if (l <= 0) |
| return QStringRef(); |
| return QStringRef(str.string(), str.position() + start, l); |
| } |
| |
| /** |
| * returns true when successfuly set the color. false signifies |
| * that the color should be inherited |
| */ |
| static bool resolveColor(const QStringRef &colorStr, QColor &color, QSvgHandler *handler) |
| { |
| QStringRef colorStrTr = trimRef(colorStr); |
| if (colorStrTr.isEmpty()) |
| return false; |
| |
| switch(colorStrTr.at(0).unicode()) { |
| |
| case '#': |
| { |
| // #rrggbb is very very common, so let's tackle it here |
| // rather than falling back to QColor |
| QRgb rgb; |
| bool ok = qsvg_get_hex_rgb(colorStrTr.unicode(), colorStrTr.length(), &rgb); |
| if (ok) |
| color.setRgb(rgb); |
| return ok; |
| } |
| break; |
| |
| case 'r': |
| { |
| // starts with "rgb(", ends with ")" and consists of at least 7 characters "rgb(,,)" |
| if (colorStrTr.length() >= 7 && colorStrTr.at(colorStrTr.length() - 1) == QLatin1Char(')') |
| && QStringRef(colorStrTr.string(), colorStrTr.position(), 4) == QLatin1String("rgb(")) { |
| const QChar *s = colorStrTr.constData() + 4; |
| QVector<qreal> compo = parseNumbersList(s); |
| //1 means that it failed after reaching non-parsable |
| //character which is going to be "%" |
| if (compo.size() == 1) { |
| s = colorStrTr.constData() + 4; |
| compo = parsePercentageList(s); |
| for (int i = 0; i < compo.size(); ++i) |
| compo[i] *= (qreal)2.55; |
| } |
| |
| if (compo.size() == 3) { |
| color = QColor(int(compo[0]), |
| int(compo[1]), |
| int(compo[2])); |
| return true; |
| } |
| return false; |
| } |
| } |
| break; |
| |
| case 'c': |
| if (colorStrTr == QLatin1String("currentColor")) { |
| color = handler->currentColor(); |
| return true; |
| } |
| break; |
| case 'i': |
| if (colorStrTr == QT_INHERIT) |
| return false; |
| break; |
| default: |
| break; |
| } |
| |
| color = QColor(colorStrTr.toString()); |
| return color.isValid(); |
| } |
| |
| static bool constructColor(const QStringRef &colorStr, const QStringRef &opacity, |
| QColor &color, QSvgHandler *handler) |
| { |
| if (!resolveColor(colorStr, color, handler)) |
| return false; |
| if (!opacity.isEmpty()) { |
| bool ok = true; |
| qreal op = qMin(qreal(1.0), qMax(qreal(0.0), toDouble(opacity, &ok))); |
| if (!ok) |
| op = 1.0; |
| color.setAlphaF(op); |
| } |
| return true; |
| } |
| |
| template <class String> // QString/QStringRef |
| static qreal parseLength(const String &str, QSvgHandler::LengthType &type, |
| QSvgHandler *handler, bool *ok = NULL) |
| { |
| String numStr = str.trimmed(); |
| |
| if (numStr.endsWith(QLatin1Char('%'))) { |
| numStr.chop(1); |
| type = QSvgHandler::LT_PERCENT; |
| } else if (numStr.endsWith(QLatin1String("px"))) { |
| numStr.chop(2); |
| type = QSvgHandler::LT_PX; |
| } else if (numStr.endsWith(QLatin1String("pc"))) { |
| numStr.chop(2); |
| type = QSvgHandler::LT_PC; |
| } else if (numStr.endsWith(QLatin1String("pt"))) { |
| numStr.chop(2); |
| type = QSvgHandler::LT_PT; |
| } else if (numStr.endsWith(QLatin1String("mm"))) { |
| numStr.chop(2); |
| type = QSvgHandler::LT_MM; |
| } else if (numStr.endsWith(QLatin1String("cm"))) { |
| numStr.chop(2); |
| type = QSvgHandler::LT_CM; |
| } else if (numStr.endsWith(QLatin1String("in"))) { |
| numStr.chop(2); |
| type = QSvgHandler::LT_IN; |
| } else { |
| type = handler->defaultCoordinateSystem(); |
| //type = QSvgHandler::LT_OTHER; |
| } |
| qreal len = toDouble(numStr, ok); |
| //qDebug()<<"len is "<<len<<", from '"<<numStr << "'"; |
| return len; |
| } |
| |
| static inline qreal convertToNumber(const QStringRef &str, QSvgHandler *handler, bool *ok = NULL) |
| { |
| QSvgHandler::LengthType type; |
| qreal num = parseLength(str, type, handler, ok); |
| if (type == QSvgHandler::LT_PERCENT) { |
| num = num/100.0; |
| } |
| return num; |
| } |
| |
| static bool createSvgGlyph(QSvgFont *font, const QXmlStreamAttributes &attributes) |
| { |
| QStringRef uncStr = attributes.value(QLatin1String("unicode")); |
| QStringRef havStr = attributes.value(QLatin1String("horiz-adv-x")); |
| QStringRef pathStr = attributes.value(QLatin1String("d")); |
| |
| QChar unicode = (uncStr.isEmpty()) ? 0 : uncStr.at(0); |
| qreal havx = (havStr.isEmpty()) ? -1 : toDouble(havStr); |
| QPainterPath path; |
| path.setFillRule(Qt::WindingFill); |
| parsePathDataFast(pathStr, path); |
| |
| font->addGlyph(unicode, path, havx); |
| |
| return true; |
| } |
| |
| // this should really be called convertToDefaultCoordinateSystem |
| // and convert when type != QSvgHandler::defaultCoordinateSystem |
| static qreal convertToPixels(qreal len, bool , QSvgHandler::LengthType type) |
| { |
| |
| switch (type) { |
| case QSvgHandler::LT_PERCENT: |
| break; |
| case QSvgHandler::LT_PX: |
| break; |
| case QSvgHandler::LT_PC: |
| break; |
| case QSvgHandler::LT_PT: |
| return len * 1.25; |
| break; |
| case QSvgHandler::LT_MM: |
| return len * 3.543307; |
| break; |
| case QSvgHandler::LT_CM: |
| return len * 35.43307; |
| break; |
| case QSvgHandler::LT_IN: |
| return len * 90; |
| break; |
| case QSvgHandler::LT_OTHER: |
| break; |
| default: |
| break; |
| } |
| return len; |
| } |
| |
| static void parseColor(QSvgNode *, |
| const QSvgAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| QColor color; |
| if (constructColor(attributes.color, attributes.colorOpacity, color, handler)) { |
| handler->popColor(); |
| handler->pushColor(color); |
| } |
| } |
| |
| static QSvgStyleProperty *styleFromUrl(QSvgNode *node, const QString &url) |
| { |
| return node ? node->styleProperty(idFromUrl(url)) : 0; |
| } |
| |
| static void parseBrush(QSvgNode *node, |
| const QSvgAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| if (!attributes.fill.isEmpty() || !attributes.fillRule.isEmpty() || !attributes.fillOpacity.isEmpty()) { |
| QSvgFillStyle *prop = new QSvgFillStyle; |
| |
| //fill-rule attribute handling |
| if (!attributes.fillRule.isEmpty() && attributes.fillRule != QT_INHERIT) { |
| if (attributes.fillRule == QLatin1String("evenodd")) |
| prop->setFillRule(Qt::OddEvenFill); |
| else if (attributes.fillRule == QLatin1String("nonzero")) |
| prop->setFillRule(Qt::WindingFill); |
| } |
| |
| //fill-opacity atttribute handling |
| if (!attributes.fillOpacity.isEmpty() && attributes.fillOpacity != QT_INHERIT) { |
| prop->setFillOpacity(qMin(qreal(1.0), qMax(qreal(0.0), toDouble(attributes.fillOpacity)))); |
| } |
| |
| //fill attribute handling |
| if ((!attributes.fill.isEmpty()) && (attributes.fill != QT_INHERIT) ) { |
| if (attributes.fill.length() > 3 && |
| QStringRef(attributes.fill.string(), attributes.fill.position(), 3) == QLatin1String("url")) { |
| QStringRef urlRef(attributes.fill.string(), attributes.fill.position() + 3, attributes.fill.length() - 3); |
| QString value = urlRef.toString(); |
| QSvgStyleProperty *style = styleFromUrl(node, value); |
| if (style) { |
| if (style->type() == QSvgStyleProperty::SOLID_COLOR || style->type() == QSvgStyleProperty::GRADIENT) |
| prop->setFillStyle(reinterpret_cast<QSvgFillStyleProperty *>(style)); |
| } else { |
| QString id = idFromUrl(value); |
| prop->setGradientId(id); |
| prop->setGradientResolved(false); |
| } |
| } else if (attributes.fill != QLatin1String("none")) { |
| QColor color; |
| if (resolveColor(attributes.fill, color, handler)) |
| prop->setBrush(QBrush(color)); |
| } else { |
| prop->setBrush(QBrush(Qt::NoBrush)); |
| } |
| } |
| node->appendStyleProperty(prop, attributes.id); |
| } |
| } |
| |
| |
| |
| static QMatrix parseTransformationMatrix(const QStringRef &value) |
| { |
| if (value.isEmpty()) |
| return QMatrix(); |
| |
| QMatrix matrix; |
| const QChar *str = value.constData(); |
| const QChar *end = str + value.length(); |
| |
| while (str < end) { |
| if (str->isSpace() || *str == QLatin1Char(',')) { |
| ++str; |
| continue; |
| } |
| enum State { |
| Matrix, |
| Translate, |
| Rotate, |
| Scale, |
| SkewX, |
| SkewY |
| }; |
| State state = Matrix; |
| if (*str == QLatin1Char('m')) { //matrix |
| const char *ident = "atrix"; |
| for (int i = 0; i < 5; ++i) |
| if (*(++str) != QLatin1Char(ident[i])) |
| goto error; |
| ++str; |
| state = Matrix; |
| } else if (*str == QLatin1Char('t')) { //translate |
| const char *ident = "ranslate"; |
| for (int i = 0; i < 8; ++i) |
| if (*(++str) != QLatin1Char(ident[i])) |
| goto error; |
| ++str; |
| state = Translate; |
| } else if (*str == QLatin1Char('r')) { //rotate |
| const char *ident = "otate"; |
| for (int i = 0; i < 5; ++i) |
| if (*(++str) != QLatin1Char(ident[i])) |
| goto error; |
| ++str; |
| state = Rotate; |
| } else if (*str == QLatin1Char('s')) { //scale, skewX, skewY |
| ++str; |
| if (*str == QLatin1Char('c')) { |
| const char *ident = "ale"; |
| for (int i = 0; i < 3; ++i) |
| if (*(++str) != QLatin1Char(ident[i])) |
| goto error; |
| ++str; |
| state = Scale; |
| } else if (*str == QLatin1Char('k')) { |
| if (*(++str) != QLatin1Char('e')) |
| goto error; |
| if (*(++str) != QLatin1Char('w')) |
| goto error; |
| ++str; |
| if (*str == QLatin1Char('X')) |
| state = SkewX; |
| else if (*str == QLatin1Char('Y')) |
| state = SkewY; |
| else |
| goto error; |
| ++str; |
| } else { |
| goto error; |
| } |
| } else { |
| goto error; |
| } |
| |
| |
| while (str < end && str->isSpace()) |
| ++str; |
| if (*str != QLatin1Char('(')) |
| goto error; |
| ++str; |
| QVarLengthArray<qreal, 8> points; |
| parseNumbersArray(str, points); |
| if (*str != QLatin1Char(')')) |
| goto error; |
| ++str; |
| |
| if(state == Matrix) { |
| if(points.count() != 6) |
| goto error; |
| matrix = QMatrix(points[0], points[1], |
| points[2], points[3], |
| points[4], points[5]) * matrix; |
| } else if (state == Translate) { |
| if (points.count() == 1) |
| matrix.translate(points[0], 0); |
| else if (points.count() == 2) |
| matrix.translate(points[0], points[1]); |
| else |
| goto error; |
| } else if (state == Rotate) { |
| if(points.count() == 1) { |
| matrix.rotate(points[0]); |
| } else if (points.count() == 3) { |
| matrix.translate(points[1], points[2]); |
| matrix.rotate(points[0]); |
| matrix.translate(-points[1], -points[2]); |
| } else { |
| goto error; |
| } |
| } else if (state == Scale) { |
| if (points.count() < 1 || points.count() > 2) |
| goto error; |
| qreal sx = points[0]; |
| qreal sy = sx; |
| if(points.count() == 2) |
| sy = points[1]; |
| matrix.scale(sx, sy); |
| } else if (state == SkewX) { |
| if (points.count() != 1) |
| goto error; |
| const qreal deg2rad = qreal(0.017453292519943295769); |
| matrix.shear(qTan(points[0]*deg2rad), 0); |
| } else if (state == SkewY) { |
| if (points.count() != 1) |
| goto error; |
| const qreal deg2rad = qreal(0.017453292519943295769); |
| matrix.shear(0, qTan(points[0]*deg2rad)); |
| } |
| } |
| error: |
| return matrix; |
| } |
| |
| static void parsePen(QSvgNode *node, |
| const QSvgAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| //qDebug()<<"Node "<<node->type()<<", attrs are "<<value<<width; |
| |
| if (!attributes.stroke.isEmpty() || !attributes.strokeDashArray.isEmpty() || !attributes.strokeDashOffset.isEmpty() || !attributes.strokeLineCap.isEmpty() |
| || !attributes.strokeLineJoin.isEmpty() || !attributes.strokeMiterLimit.isEmpty() || !attributes.strokeOpacity.isEmpty() || !attributes.strokeWidth.isEmpty() |
| || !attributes.vectorEffect.isEmpty()) { |
| |
| QSvgStrokeStyle *prop = new QSvgStrokeStyle; |
| |
| //stroke attribute handling |
| if ((!attributes.stroke.isEmpty()) && (attributes.stroke != QT_INHERIT) ) { |
| if (attributes.stroke.length() > 3 && |
| QStringRef(attributes.stroke.string(), attributes.stroke.position(), 3) == QLatin1String("url")) { |
| QStringRef urlRef(attributes.stroke.string(), attributes.stroke.position() + 3, attributes.stroke.length() - 3); |
| QString value = urlRef.toString(); |
| QSvgStyleProperty *style = styleFromUrl(node, value); |
| if (style) { |
| if (style->type() == QSvgStyleProperty::SOLID_COLOR || style->type() == QSvgStyleProperty::GRADIENT) |
| prop->setStyle(reinterpret_cast<QSvgFillStyleProperty *>(style)); |
| } else { |
| QString id = idFromUrl(value); |
| prop->setGradientId(id); |
| prop->setGradientResolved(false); |
| } |
| } else if (attributes.stroke != QLatin1String("none")) { |
| QColor color; |
| if (resolveColor(attributes.stroke, color, handler)) |
| prop->setStroke(QBrush(color)); |
| } else { |
| prop->setStroke(QBrush(Qt::NoBrush)); |
| } |
| } |
| |
| //stroke-width handling |
| if (!attributes.strokeWidth.isEmpty() && attributes.strokeWidth != QT_INHERIT) { |
| QSvgHandler::LengthType lt; |
| prop->setWidth(parseLength(attributes.strokeWidth, lt, handler)); |
| } |
| |
| //stroke-dasharray |
| if (!attributes.strokeDashArray.isEmpty() && attributes.strokeDashArray != QT_INHERIT) { |
| if (attributes.strokeDashArray == QLatin1String("none")) { |
| prop->setDashArrayNone(); |
| } else { |
| QString dashArray = attributes.strokeDashArray.toString(); |
| const QChar *s = dashArray.constData(); |
| QVector<qreal> dashes = parseNumbersList(s); |
| // if the dash count is odd the dashes should be duplicated |
| if ((dashes.size() & 1) != 0) |
| dashes << QVector<qreal>(dashes); |
| prop->setDashArray(dashes); |
| } |
| } |
| |
| //stroke-linejoin attribute handling |
| if (!attributes.strokeLineJoin.isEmpty()) { |
| if (attributes.strokeLineJoin == QLatin1String("miter")) |
| prop->setLineJoin(Qt::SvgMiterJoin); |
| else if (attributes.strokeLineJoin == QLatin1String("round")) |
| prop->setLineJoin(Qt::RoundJoin); |
| else if (attributes.strokeLineJoin == QLatin1String("bevel")) |
| prop->setLineJoin(Qt::BevelJoin); |
| } |
| |
| //stroke-linecap attribute handling |
| if (!attributes.strokeLineCap.isEmpty()) { |
| if (attributes.strokeLineCap == QLatin1String("butt")) |
| prop->setLineCap(Qt::FlatCap); |
| else if (attributes.strokeLineCap == QLatin1String("round")) |
| prop->setLineCap(Qt::RoundCap); |
| else if (attributes.strokeLineCap == QLatin1String("square")) |
| prop->setLineCap(Qt::SquareCap); |
| } |
| |
| //stroke-dashoffset attribute handling |
| if (!attributes.strokeDashOffset.isEmpty() && attributes.strokeDashOffset != QT_INHERIT) |
| prop->setDashOffset(toDouble(attributes.strokeDashOffset)); |
| |
| //vector-effect attribute handling |
| if (!attributes.vectorEffect.isEmpty()) { |
| if (attributes.vectorEffect == QLatin1String("non-scaling-stroke")) |
| prop->setVectorEffect(true); |
| else if (attributes.vectorEffect == QLatin1String("none")) |
| prop->setVectorEffect(false); |
| } |
| |
| //stroke-miterlimit |
| if (!attributes.strokeMiterLimit.isEmpty() && attributes.strokeMiterLimit != QT_INHERIT) |
| prop->setMiterLimit(toDouble(attributes.strokeMiterLimit)); |
| |
| //stroke-opacity atttribute handling |
| if (!attributes.strokeOpacity.isEmpty() && attributes.strokeOpacity != QT_INHERIT) |
| prop->setOpacity(qMin(qreal(1.0), qMax(qreal(0.0), toDouble(attributes.strokeOpacity)))); |
| |
| node->appendStyleProperty(prop, attributes.id); |
| } |
| } |
| |
| enum FontSizeSpec { XXSmall, XSmall, Small, Medium, Large, XLarge, XXLarge, |
| FontSizeNone, FontSizeValue }; |
| |
| static const qreal sizeTable[] = |
| { qreal(6.9), qreal(8.3), qreal(10.0), qreal(12.0), qreal(14.4), qreal(17.3), qreal(20.7) }; |
| |
| Q_STATIC_ASSERT(sizeof(sizeTable)/sizeof(sizeTable[0]) == FontSizeNone); |
| |
| static FontSizeSpec fontSizeSpec(const QStringRef &spec) |
| { |
| switch (spec.at(0).unicode()) { |
| case 'x': |
| if (spec == QLatin1String("xx-small")) |
| return XXSmall; |
| if (spec == QLatin1String("x-small")) |
| return XSmall; |
| if (spec == QLatin1String("x-large")) |
| return XLarge; |
| if (spec == QLatin1String("xx-large")) |
| return XXLarge; |
| break; |
| case 's': |
| if (spec == QLatin1String("small")) |
| return Small; |
| break; |
| case 'm': |
| if (spec == QLatin1String("medium")) |
| return Medium; |
| break; |
| case 'l': |
| if (spec == QLatin1String("large")) |
| return Large; |
| break; |
| case 'n': |
| if (spec == QLatin1String("none")) |
| return FontSizeNone; |
| break; |
| default: |
| break; |
| } |
| return FontSizeValue; |
| } |
| |
| static void parseFont(QSvgNode *node, |
| const QSvgAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| if (attributes.fontFamily.isEmpty() && attributes.fontSize.isEmpty() && attributes.fontStyle.isEmpty() && |
| attributes.fontWeight.isEmpty() && attributes.fontVariant.isEmpty() && attributes.textAnchor.isEmpty()) |
| return; |
| |
| QSvgTinyDocument *doc = node->document(); |
| QSvgFontStyle *fontStyle = 0; |
| if (!attributes.fontFamily.isEmpty()) { |
| QSvgFont *svgFont = doc->svgFont(attributes.fontFamily.toString()); |
| if (svgFont) |
| fontStyle = new QSvgFontStyle(svgFont, doc); |
| } |
| if (!fontStyle) |
| fontStyle = new QSvgFontStyle; |
| |
| if (!attributes.fontFamily.isEmpty() && attributes.fontFamily != QT_INHERIT) |
| fontStyle->setFamily(attributes.fontFamily.toString().trimmed()); |
| |
| if (!attributes.fontSize.isEmpty() && attributes.fontSize != QT_INHERIT) { |
| // TODO: Support relative sizes 'larger' and 'smaller'. |
| const FontSizeSpec spec = fontSizeSpec(attributes.fontSize); |
| switch (spec) { |
| case FontSizeNone: |
| break; |
| case FontSizeValue: { |
| QSvgHandler::LengthType dummy; // should always be pixel size |
| fontStyle->setSize(parseLength(attributes.fontSize, dummy, handler)); |
| } |
| break; |
| default: |
| fontStyle->setSize(sizeTable[spec]); |
| break; |
| } |
| } |
| |
| if (!attributes.fontStyle.isEmpty() && attributes.fontStyle != QT_INHERIT) { |
| if (attributes.fontStyle == QLatin1String("normal")) { |
| fontStyle->setStyle(QFont::StyleNormal); |
| } else if (attributes.fontStyle == QLatin1String("italic")) { |
| fontStyle->setStyle(QFont::StyleItalic); |
| } else if (attributes.fontStyle == QLatin1String("oblique")) { |
| fontStyle->setStyle(QFont::StyleOblique); |
| } |
| } |
| |
| if (!attributes.fontWeight.isEmpty() && attributes.fontWeight != QT_INHERIT) { |
| bool ok = false; |
| const int weightNum = attributes.fontWeight.toInt(&ok); |
| if (ok) { |
| fontStyle->setWeight(weightNum); |
| } else { |
| if (attributes.fontWeight == QLatin1String("normal")) { |
| fontStyle->setWeight(400); |
| } else if (attributes.fontWeight == QLatin1String("bold")) { |
| fontStyle->setWeight(700); |
| } else if (attributes.fontWeight == QLatin1String("bolder")) { |
| fontStyle->setWeight(QSvgFontStyle::BOLDER); |
| } else if (attributes.fontWeight == QLatin1String("lighter")) { |
| fontStyle->setWeight(QSvgFontStyle::LIGHTER); |
| } |
| } |
| } |
| |
| if (!attributes.fontVariant.isEmpty() && attributes.fontVariant != QT_INHERIT) { |
| if (attributes.fontVariant == QLatin1String("normal")) |
| fontStyle->setVariant(QFont::MixedCase); |
| else if (attributes.fontVariant == QLatin1String("small-caps")) |
| fontStyle->setVariant(QFont::SmallCaps); |
| } |
| |
| if (!attributes.textAnchor.isEmpty() && attributes.textAnchor != QT_INHERIT) { |
| if (attributes.textAnchor == QLatin1String("start")) |
| fontStyle->setTextAnchor(Qt::AlignLeft); |
| if (attributes.textAnchor == QLatin1String("middle")) |
| fontStyle->setTextAnchor(Qt::AlignHCenter); |
| else if (attributes.textAnchor == QLatin1String("end")) |
| fontStyle->setTextAnchor(Qt::AlignRight); |
| } |
| |
| node->appendStyleProperty(fontStyle, attributes.id); |
| } |
| |
| static void parseTransform(QSvgNode *node, |
| const QSvgAttributes &attributes, |
| QSvgHandler *) |
| { |
| if (attributes.transform.isEmpty()) |
| return; |
| QMatrix matrix = parseTransformationMatrix(trimRef(attributes.transform)); |
| |
| if (!matrix.isIdentity()) { |
| node->appendStyleProperty(new QSvgTransformStyle(QTransform(matrix)), attributes.id); |
| } |
| |
| } |
| |
| static void parseVisibility(QSvgNode *node, |
| const QSvgAttributes &attributes, |
| QSvgHandler *) |
| { |
| QSvgNode *parent = node->parent(); |
| |
| if (parent && (attributes.visibility.isEmpty() || attributes.visibility == QT_INHERIT)) |
| node->setVisible(parent->isVisible()); |
| else if (attributes.visibility == QLatin1String("hidden") || attributes.visibility == QLatin1String("collapse")) { |
| node->setVisible(false); |
| } else |
| node->setVisible(true); |
| } |
| |
| static void pathArcSegment(QPainterPath &path, |
| qreal xc, qreal yc, |
| qreal th0, qreal th1, |
| qreal rx, qreal ry, qreal xAxisRotation) |
| { |
| qreal sinTh, cosTh; |
| qreal a00, a01, a10, a11; |
| qreal x1, y1, x2, y2, x3, y3; |
| qreal t; |
| qreal thHalf; |
| |
| sinTh = qSin(xAxisRotation * (Q_PI / 180.0)); |
| cosTh = qCos(xAxisRotation * (Q_PI / 180.0)); |
| |
| a00 = cosTh * rx; |
| a01 = -sinTh * ry; |
| a10 = sinTh * rx; |
| a11 = cosTh * ry; |
| |
| thHalf = 0.5 * (th1 - th0); |
| t = (8.0 / 3.0) * qSin(thHalf * 0.5) * qSin(thHalf * 0.5) / qSin(thHalf); |
| x1 = xc + qCos(th0) - t * qSin(th0); |
| y1 = yc + qSin(th0) + t * qCos(th0); |
| x3 = xc + qCos(th1); |
| y3 = yc + qSin(th1); |
| x2 = x3 + t * qSin(th1); |
| y2 = y3 - t * qCos(th1); |
| |
| path.cubicTo(a00 * x1 + a01 * y1, a10 * x1 + a11 * y1, |
| a00 * x2 + a01 * y2, a10 * x2 + a11 * y2, |
| a00 * x3 + a01 * y3, a10 * x3 + a11 * y3); |
| } |
| |
| // the arc handling code underneath is from XSVG (BSD license) |
| /* |
| * Copyright 2002 USC/Information Sciences Institute |
| * |
| * Permission to use, copy, modify, distribute, and sell this software |
| * and its documentation for any purpose is hereby granted without |
| * fee, provided that the above copyright notice appear in all copies |
| * and that both that copyright notice and this permission notice |
| * appear in supporting documentation, and that the name of |
| * Information Sciences Institute not be used in advertising or |
| * publicity pertaining to distribution of the software without |
| * specific, written prior permission. Information Sciences Institute |
| * makes no representations about the suitability of this software for |
| * any purpose. It is provided "as is" without express or implied |
| * warranty. |
| * |
| * INFORMATION SCIENCES INSTITUTE DISCLAIMS ALL WARRANTIES WITH REGARD |
| * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL INFORMATION SCIENCES |
| * INSTITUTE BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA |
| * OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| * |
| */ |
| static void pathArc(QPainterPath &path, |
| qreal rx, |
| qreal ry, |
| qreal x_axis_rotation, |
| int large_arc_flag, |
| int sweep_flag, |
| qreal x, |
| qreal y, |
| qreal curx, qreal cury) |
| { |
| qreal sin_th, cos_th; |
| qreal a00, a01, a10, a11; |
| qreal x0, y0, x1, y1, xc, yc; |
| qreal d, sfactor, sfactor_sq; |
| qreal th0, th1, th_arc; |
| int i, n_segs; |
| qreal dx, dy, dx1, dy1, Pr1, Pr2, Px, Py, check; |
| |
| rx = qAbs(rx); |
| ry = qAbs(ry); |
| |
| sin_th = qSin(x_axis_rotation * (Q_PI / 180.0)); |
| cos_th = qCos(x_axis_rotation * (Q_PI / 180.0)); |
| |
| dx = (curx - x) / 2.0; |
| dy = (cury - y) / 2.0; |
| dx1 = cos_th * dx + sin_th * dy; |
| dy1 = -sin_th * dx + cos_th * dy; |
| Pr1 = rx * rx; |
| Pr2 = ry * ry; |
| Px = dx1 * dx1; |
| Py = dy1 * dy1; |
| /* Spec : check if radii are large enough */ |
| check = Px / Pr1 + Py / Pr2; |
| if (check > 1) { |
| rx = rx * qSqrt(check); |
| ry = ry * qSqrt(check); |
| } |
| |
| a00 = cos_th / rx; |
| a01 = sin_th / rx; |
| a10 = -sin_th / ry; |
| a11 = cos_th / ry; |
| x0 = a00 * curx + a01 * cury; |
| y0 = a10 * curx + a11 * cury; |
| x1 = a00 * x + a01 * y; |
| y1 = a10 * x + a11 * y; |
| /* (x0, y0) is current point in transformed coordinate space. |
| (x1, y1) is new point in transformed coordinate space. |
| |
| The arc fits a unit-radius circle in this space. |
| */ |
| d = (x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0); |
| sfactor_sq = 1.0 / d - 0.25; |
| if (sfactor_sq < 0) sfactor_sq = 0; |
| sfactor = qSqrt(sfactor_sq); |
| if (sweep_flag == large_arc_flag) sfactor = -sfactor; |
| xc = 0.5 * (x0 + x1) - sfactor * (y1 - y0); |
| yc = 0.5 * (y0 + y1) + sfactor * (x1 - x0); |
| /* (xc, yc) is center of the circle. */ |
| |
| th0 = qAtan2(y0 - yc, x0 - xc); |
| th1 = qAtan2(y1 - yc, x1 - xc); |
| |
| th_arc = th1 - th0; |
| if (th_arc < 0 && sweep_flag) |
| th_arc += 2 * Q_PI; |
| else if (th_arc > 0 && !sweep_flag) |
| th_arc -= 2 * Q_PI; |
| |
| n_segs = qCeil(qAbs(th_arc / (Q_PI * 0.5 + 0.001))); |
| |
| for (i = 0; i < n_segs; i++) { |
| pathArcSegment(path, xc, yc, |
| th0 + i * th_arc / n_segs, |
| th0 + (i + 1) * th_arc / n_segs, |
| rx, ry, x_axis_rotation); |
| } |
| } |
| |
| static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path) |
| { |
| qreal x0 = 0, y0 = 0; // starting point |
| qreal x = 0, y = 0; // current point |
| char lastMode = 0; |
| QPointF ctrlPt; |
| const QChar *str = dataStr.constData(); |
| const QChar *end = str + dataStr.size(); |
| |
| while (str != end) { |
| while (str->isSpace() && (str + 1) != end) |
| ++str; |
| QChar pathElem = *str; |
| ++str; |
| QChar endc = *end; |
| *const_cast<QChar *>(end) = 0; // parseNumbersArray requires 0-termination that QStringRef cannot guarantee |
| QVarLengthArray<qreal, 8> arg; |
| parseNumbersArray(str, arg); |
| *const_cast<QChar *>(end) = endc; |
| if (pathElem == QLatin1Char('z') || pathElem == QLatin1Char('Z')) |
| arg.append(0);//dummy |
| const qreal *num = arg.constData(); |
| int count = arg.count(); |
| while (count > 0) { |
| qreal offsetX = x; // correction offsets |
| qreal offsetY = y; // for relative commands |
| switch (pathElem.unicode()) { |
| case 'm': { |
| if (count < 2) { |
| num++; |
| count--; |
| break; |
| } |
| x = x0 = num[0] + offsetX; |
| y = y0 = num[1] + offsetY; |
| num += 2; |
| count -= 2; |
| path.moveTo(x0, y0); |
| |
| // As per 1.2 spec 8.3.2 The "moveto" commands |
| // If a 'moveto' is followed by multiple pairs of coordinates without explicit commands, |
| // the subsequent pairs shall be treated as implicit 'lineto' commands. |
| pathElem = QLatin1Char('l'); |
| } |
| break; |
| case 'M': { |
| if (count < 2) { |
| num++; |
| count--; |
| break; |
| } |
| x = x0 = num[0]; |
| y = y0 = num[1]; |
| num += 2; |
| count -= 2; |
| path.moveTo(x0, y0); |
| |
| // As per 1.2 spec 8.3.2 The "moveto" commands |
| // If a 'moveto' is followed by multiple pairs of coordinates without explicit commands, |
| // the subsequent pairs shall be treated as implicit 'lineto' commands. |
| pathElem = QLatin1Char('L'); |
| } |
| break; |
| case 'z': |
| case 'Z': { |
| x = x0; |
| y = y0; |
| count--; // skip dummy |
| num++; |
| path.closeSubpath(); |
| } |
| break; |
| case 'l': { |
| if (count < 2) { |
| num++; |
| count--; |
| break; |
| } |
| x = num[0] + offsetX; |
| y = num[1] + offsetY; |
| num += 2; |
| count -= 2; |
| path.lineTo(x, y); |
| |
| } |
| break; |
| case 'L': { |
| if (count < 2) { |
| num++; |
| count--; |
| break; |
| } |
| x = num[0]; |
| y = num[1]; |
| num += 2; |
| count -= 2; |
| path.lineTo(x, y); |
| } |
| break; |
| case 'h': { |
| x = num[0] + offsetX; |
| num++; |
| count--; |
| path.lineTo(x, y); |
| } |
| break; |
| case 'H': { |
| x = num[0]; |
| num++; |
| count--; |
| path.lineTo(x, y); |
| } |
| break; |
| case 'v': { |
| y = num[0] + offsetY; |
| num++; |
| count--; |
| path.lineTo(x, y); |
| } |
| break; |
| case 'V': { |
| y = num[0]; |
| num++; |
| count--; |
| path.lineTo(x, y); |
| } |
| break; |
| case 'c': { |
| if (count < 6) { |
| num += count; |
| count = 0; |
| break; |
| } |
| QPointF c1(num[0] + offsetX, num[1] + offsetY); |
| QPointF c2(num[2] + offsetX, num[3] + offsetY); |
| QPointF e(num[4] + offsetX, num[5] + offsetY); |
| num += 6; |
| count -= 6; |
| path.cubicTo(c1, c2, e); |
| ctrlPt = c2; |
| x = e.x(); |
| y = e.y(); |
| break; |
| } |
| case 'C': { |
| if (count < 6) { |
| num += count; |
| count = 0; |
| break; |
| } |
| QPointF c1(num[0], num[1]); |
| QPointF c2(num[2], num[3]); |
| QPointF e(num[4], num[5]); |
| num += 6; |
| count -= 6; |
| path.cubicTo(c1, c2, e); |
| ctrlPt = c2; |
| x = e.x(); |
| y = e.y(); |
| break; |
| } |
| case 's': { |
| if (count < 4) { |
| num += count; |
| count = 0; |
| break; |
| } |
| QPointF c1; |
| if (lastMode == 'c' || lastMode == 'C' || |
| lastMode == 's' || lastMode == 'S') |
| c1 = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y()); |
| else |
| c1 = QPointF(x, y); |
| QPointF c2(num[0] + offsetX, num[1] + offsetY); |
| QPointF e(num[2] + offsetX, num[3] + offsetY); |
| num += 4; |
| count -= 4; |
| path.cubicTo(c1, c2, e); |
| ctrlPt = c2; |
| x = e.x(); |
| y = e.y(); |
| break; |
| } |
| case 'S': { |
| if (count < 4) { |
| num += count; |
| count = 0; |
| break; |
| } |
| QPointF c1; |
| if (lastMode == 'c' || lastMode == 'C' || |
| lastMode == 's' || lastMode == 'S') |
| c1 = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y()); |
| else |
| c1 = QPointF(x, y); |
| QPointF c2(num[0], num[1]); |
| QPointF e(num[2], num[3]); |
| num += 4; |
| count -= 4; |
| path.cubicTo(c1, c2, e); |
| ctrlPt = c2; |
| x = e.x(); |
| y = e.y(); |
| break; |
| } |
| case 'q': { |
| if (count < 4) { |
| num += count; |
| count = 0; |
| break; |
| } |
| QPointF c(num[0] + offsetX, num[1] + offsetY); |
| QPointF e(num[2] + offsetX, num[3] + offsetY); |
| num += 4; |
| count -= 4; |
| path.quadTo(c, e); |
| ctrlPt = c; |
| x = e.x(); |
| y = e.y(); |
| break; |
| } |
| case 'Q': { |
| if (count < 4) { |
| num += count; |
| count = 0; |
| break; |
| } |
| QPointF c(num[0], num[1]); |
| QPointF e(num[2], num[3]); |
| num += 4; |
| count -= 4; |
| path.quadTo(c, e); |
| ctrlPt = c; |
| x = e.x(); |
| y = e.y(); |
| break; |
| } |
| case 't': { |
| if (count < 2) { |
| num += count; |
| count = 0; |
| break; |
| } |
| QPointF e(num[0] + offsetX, num[1] + offsetY); |
| num += 2; |
| count -= 2; |
| QPointF c; |
| if (lastMode == 'q' || lastMode == 'Q' || |
| lastMode == 't' || lastMode == 'T') |
| c = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y()); |
| else |
| c = QPointF(x, y); |
| path.quadTo(c, e); |
| ctrlPt = c; |
| x = e.x(); |
| y = e.y(); |
| break; |
| } |
| case 'T': { |
| if (count < 2) { |
| num += count; |
| count = 0; |
| break; |
| } |
| QPointF e(num[0], num[1]); |
| num += 2; |
| count -= 2; |
| QPointF c; |
| if (lastMode == 'q' || lastMode == 'Q' || |
| lastMode == 't' || lastMode == 'T') |
| c = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y()); |
| else |
| c = QPointF(x, y); |
| path.quadTo(c, e); |
| ctrlPt = c; |
| x = e.x(); |
| y = e.y(); |
| break; |
| } |
| case 'a': { |
| if (count < 7) { |
| num += count; |
| count = 0; |
| break; |
| } |
| qreal rx = (*num++); |
| qreal ry = (*num++); |
| qreal xAxisRotation = (*num++); |
| qreal largeArcFlag = (*num++); |
| qreal sweepFlag = (*num++); |
| qreal ex = (*num++) + offsetX; |
| qreal ey = (*num++) + offsetY; |
| count -= 7; |
| qreal curx = x; |
| qreal cury = y; |
| pathArc(path, rx, ry, xAxisRotation, int(largeArcFlag), |
| int(sweepFlag), ex, ey, curx, cury); |
| |
| x = ex; |
| y = ey; |
| } |
| break; |
| case 'A': { |
| if (count < 7) { |
| num += count; |
| count = 0; |
| break; |
| } |
| qreal rx = (*num++); |
| qreal ry = (*num++); |
| qreal xAxisRotation = (*num++); |
| qreal largeArcFlag = (*num++); |
| qreal sweepFlag = (*num++); |
| qreal ex = (*num++); |
| qreal ey = (*num++); |
| count -= 7; |
| qreal curx = x; |
| qreal cury = y; |
| pathArc(path, rx, ry, xAxisRotation, int(largeArcFlag), |
| int(sweepFlag), ex, ey, curx, cury); |
| |
| x = ex; |
| y = ey; |
| } |
| break; |
| default: |
| return false; |
| } |
| lastMode = pathElem.toLatin1(); |
| } |
| } |
| return true; |
| } |
| |
| static bool parseStyle(QSvgNode *node, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *); |
| |
| static bool parseStyle(QSvgNode *node, |
| const QSvgAttributes &attributes, |
| QSvgHandler *); |
| |
| #ifndef QT_NO_CSSPARSER |
| |
| static void parseCSStoXMLAttrs(const QVector<QCss::Declaration> &declarations, |
| QXmlStreamAttributes &attributes) |
| { |
| for (int i = 0; i < declarations.count(); ++i) { |
| const QCss::Declaration &decl = declarations.at(i); |
| if (decl.d->property.isEmpty()) |
| continue; |
| QCss::Value val = decl.d->values.first(); |
| QString valueStr; |
| const int valCount = decl.d->values.count(); |
| if (valCount != 1) { |
| for (int i = 0; i < valCount; ++i) { |
| valueStr += decl.d->values[i].toString(); |
| if (i + 1 < valCount) |
| valueStr += QLatin1Char(','); |
| } |
| } else { |
| valueStr = val.toString(); |
| } |
| if (val.type == QCss::Value::Uri) { |
| valueStr.prepend(QLatin1String("url(")); |
| valueStr.append(QLatin1Char(')')); |
| } else if (val.type == QCss::Value::Function) { |
| QStringList lst = val.variant.toStringList(); |
| valueStr.append(lst.at(0)); |
| valueStr.append(QLatin1Char('(')); |
| for (int i = 1; i < lst.count(); ++i) { |
| valueStr.append(lst.at(i)); |
| if ((i +1) < lst.count()) |
| valueStr.append(QLatin1Char(',')); |
| } |
| valueStr.append(QLatin1Char(')')); |
| } else if (val.type == QCss::Value::KnownIdentifier) { |
| switch (val.variant.toInt()) { |
| case QCss::Value_None: |
| valueStr = QLatin1String("none"); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| attributes.append(QString(), decl.d->property, valueStr); |
| } |
| } |
| |
| void QSvgHandler::parseCSStoXMLAttrs(const QString &css, QVector<QSvgCssAttribute> *attributes) |
| { |
| // preprocess (for unicode escapes), tokenize and remove comments |
| m_cssParser.init(css); |
| QString key; |
| |
| attributes->reserve(10); |
| |
| while (m_cssParser.hasNext()) { |
| m_cssParser.skipSpace(); |
| |
| if (!m_cssParser.hasNext()) |
| break; |
| m_cssParser.next(); |
| |
| QStringRef name; |
| if (m_cssParser.hasEscapeSequences) { |
| key = m_cssParser.lexem(); |
| name = QStringRef(&key, 0, key.length()); |
| } else { |
| const QCss::Symbol &sym = m_cssParser.symbol(); |
| name = QStringRef(&sym.text, sym.start, sym.len); |
| } |
| |
| m_cssParser.skipSpace(); |
| if (!m_cssParser.test(QCss::COLON)) |
| break; |
| |
| m_cssParser.skipSpace(); |
| if (!m_cssParser.hasNext()) |
| break; |
| |
| QSvgCssAttribute attribute; |
| attribute.name = QXmlStreamStringRef(name); |
| |
| const int firstSymbol = m_cssParser.index; |
| int symbolCount = 0; |
| do { |
| m_cssParser.next(); |
| ++symbolCount; |
| } while (m_cssParser.hasNext() && !m_cssParser.test(QCss::SEMICOLON)); |
| |
| bool canExtractValueByRef = !m_cssParser.hasEscapeSequences; |
| if (canExtractValueByRef) { |
| int len = m_cssParser.symbols.at(firstSymbol).len; |
| for (int i = firstSymbol + 1; i < firstSymbol + symbolCount; ++i) { |
| len += m_cssParser.symbols.at(i).len; |
| |
| if (m_cssParser.symbols.at(i - 1).start + m_cssParser.symbols.at(i - 1).len |
| != m_cssParser.symbols.at(i).start) { |
| canExtractValueByRef = false; |
| break; |
| } |
| } |
| if (canExtractValueByRef) { |
| const QCss::Symbol &sym = m_cssParser.symbols.at(firstSymbol); |
| attribute.value = QXmlStreamStringRef(QStringRef(&sym.text, sym.start, len)); |
| } |
| } |
| if (!canExtractValueByRef) { |
| QString value; |
| for (int i = firstSymbol; i < m_cssParser.index - 1; ++i) |
| value += m_cssParser.symbols.at(i).lexem(); |
| attribute.value = QXmlStreamStringRef(QStringRef(&value, 0, value.length())); |
| } |
| |
| attributes->append(attribute); |
| |
| m_cssParser.skipSpace(); |
| } |
| } |
| |
| static void cssStyleLookup(QSvgNode *node, |
| QSvgHandler *handler, |
| QSvgStyleSelector *selector) |
| { |
| QCss::StyleSelector::NodePtr cssNode; |
| cssNode.ptr = node; |
| QVector<QCss::Declaration> decls = selector->declarationsForNode(cssNode); |
| |
| QXmlStreamAttributes attributes; |
| parseCSStoXMLAttrs(decls, attributes); |
| parseStyle(node, attributes, handler); |
| } |
| |
| #endif // QT_NO_CSSPARSER |
| |
| static inline QStringList stringToList(const QString &str) |
| { |
| QStringList lst = str.split(QLatin1Char(','), QString::SkipEmptyParts); |
| return lst; |
| } |
| |
| static bool parseCoreNode(QSvgNode *node, |
| const QXmlStreamAttributes &attributes) |
| { |
| QStringList features; |
| QStringList extensions; |
| QStringList languages; |
| QStringList formats; |
| QStringList fonts; |
| QString xmlClassStr; |
| |
| for (int i = 0; i < attributes.count(); ++i) { |
| const QXmlStreamAttribute &attribute = attributes.at(i); |
| QStringRef name = attribute.qualifiedName(); |
| if (name.isEmpty()) |
| continue; |
| QStringRef value = attribute.value(); |
| switch (name.at(0).unicode()) { |
| case 'c': |
| if (name == QLatin1String("class")) |
| xmlClassStr = value.toString(); |
| break; |
| case 'r': |
| if (name == QLatin1String("requiredFeatures")) |
| features = stringToList(value.toString()); |
| else if (name == QLatin1String("requiredExtensions")) |
| extensions = stringToList(value.toString()); |
| else if (name == QLatin1String("requiredFormats")) |
| formats = stringToList(value.toString()); |
| else if (name == QLatin1String("requiredFonts")) |
| fonts = stringToList(value.toString()); |
| break; |
| case 's': |
| if (name == QLatin1String("systemLanguage")) |
| languages = stringToList(value.toString()); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| node->setRequiredFeatures(features); |
| node->setRequiredExtensions(extensions); |
| node->setRequiredLanguages(languages); |
| node->setRequiredFormats(formats); |
| node->setRequiredFonts(fonts); |
| node->setNodeId(someId(attributes)); |
| node->setXmlClass(xmlClassStr); |
| |
| return true; |
| } |
| |
| static void parseOpacity(QSvgNode *node, |
| const QSvgAttributes &attributes, |
| QSvgHandler *) |
| { |
| if (attributes.opacity.isEmpty()) |
| return; |
| |
| const QStringRef value = attributes.opacity.trimmed(); |
| |
| bool ok = false; |
| qreal op = value.toDouble(&ok); |
| |
| if (ok) { |
| QSvgOpacityStyle *opacity = new QSvgOpacityStyle(qBound(qreal(0.0), op, qreal(1.0))); |
| node->appendStyleProperty(opacity, attributes.id); |
| } |
| } |
| |
| static QPainter::CompositionMode svgToQtCompositionMode(const QString &op) |
| { |
| #define NOOP qDebug()<<"Operation: "<<op<<" is not implemented" |
| if (op == QLatin1String("clear")) { |
| return QPainter::CompositionMode_Clear; |
| } else if (op == QLatin1String("src")) { |
| return QPainter::CompositionMode_Source; |
| } else if (op == QLatin1String("dst")) { |
| return QPainter::CompositionMode_Destination; |
| } else if (op == QLatin1String("src-over")) { |
| return QPainter::CompositionMode_SourceOver; |
| } else if (op == QLatin1String("dst-over")) { |
| return QPainter::CompositionMode_DestinationOver; |
| } else if (op == QLatin1String("src-in")) { |
| return QPainter::CompositionMode_SourceIn; |
| } else if (op == QLatin1String("dst-in")) { |
| return QPainter::CompositionMode_DestinationIn; |
| } else if (op == QLatin1String("src-out")) { |
| return QPainter::CompositionMode_SourceOut; |
| } else if (op == QLatin1String("dst-out")) { |
| return QPainter::CompositionMode_DestinationOut; |
| } else if (op == QLatin1String("src-atop")) { |
| return QPainter::CompositionMode_SourceAtop; |
| } else if (op == QLatin1String("dst-atop")) { |
| return QPainter::CompositionMode_DestinationAtop; |
| } else if (op == QLatin1String("xor")) { |
| return QPainter::CompositionMode_Xor; |
| } else if (op == QLatin1String("plus")) { |
| return QPainter::CompositionMode_Plus; |
| } else if (op == QLatin1String("multiply")) { |
| return QPainter::CompositionMode_Multiply; |
| } else if (op == QLatin1String("screen")) { |
| return QPainter::CompositionMode_Screen; |
| } else if (op == QLatin1String("overlay")) { |
| return QPainter::CompositionMode_Overlay; |
| } else if (op == QLatin1String("darken")) { |
| return QPainter::CompositionMode_Darken; |
| } else if (op == QLatin1String("lighten")) { |
| return QPainter::CompositionMode_Lighten; |
| } else if (op == QLatin1String("color-dodge")) { |
| return QPainter::CompositionMode_ColorDodge; |
| } else if (op == QLatin1String("color-burn")) { |
| return QPainter::CompositionMode_ColorBurn; |
| } else if (op == QLatin1String("hard-light")) { |
| return QPainter::CompositionMode_HardLight; |
| } else if (op == QLatin1String("soft-light")) { |
| return QPainter::CompositionMode_SoftLight; |
| } else if (op == QLatin1String("difference")) { |
| return QPainter::CompositionMode_Difference; |
| } else if (op == QLatin1String("exclusion")) { |
| return QPainter::CompositionMode_Exclusion; |
| } else { |
| NOOP; |
| } |
| |
| return QPainter::CompositionMode_SourceOver; |
| } |
| |
| static void parseCompOp(QSvgNode *node, |
| const QSvgAttributes &attributes, |
| QSvgHandler *) |
| { |
| if (attributes.compOp.isEmpty()) |
| return; |
| QString value = attributes.compOp.toString().trimmed(); |
| |
| if (!value.isEmpty()) { |
| QSvgCompOpStyle *compop = new QSvgCompOpStyle(svgToQtCompositionMode(value)); |
| node->appendStyleProperty(compop, attributes.id); |
| } |
| } |
| |
| static inline QSvgNode::DisplayMode displayStringToEnum(const QString &str) |
| { |
| if (str == QLatin1String("inline")) { |
| return QSvgNode::InlineMode; |
| } else if (str == QLatin1String("block")) { |
| return QSvgNode::BlockMode; |
| } else if (str == QLatin1String("list-item")) { |
| return QSvgNode::ListItemMode; |
| } else if (str == QLatin1String("run-in")) { |
| return QSvgNode::RunInMode; |
| } else if (str == QLatin1String("compact")) { |
| return QSvgNode::CompactMode; |
| } else if (str == QLatin1String("marker")) { |
| return QSvgNode::MarkerMode; |
| } else if (str == QLatin1String("table")) { |
| return QSvgNode::TableMode; |
| } else if (str == QLatin1String("inline-table")) { |
| return QSvgNode::InlineTableMode; |
| } else if (str == QLatin1String("table-row-group")) { |
| return QSvgNode::TableRowGroupMode; |
| } else if (str == QLatin1String("table-header-group")) { |
| return QSvgNode::TableHeaderGroupMode; |
| } else if (str == QLatin1String("table-footer-group")) { |
| return QSvgNode::TableFooterGroupMode; |
| } else if (str == QLatin1String("table-row")) { |
| return QSvgNode::TableRowMode; |
| } else if (str == QLatin1String("table-column-group")) { |
| return QSvgNode::TableColumnGroupMode; |
| } else if (str == QLatin1String("table-column")) { |
| return QSvgNode::TableColumnMode; |
| } else if (str == QLatin1String("table-cell")) { |
| return QSvgNode::TableCellMode; |
| } else if (str == QLatin1String("table-caption")) { |
| return QSvgNode::TableCaptionMode; |
| } else if (str == QLatin1String("none")) { |
| return QSvgNode::NoneMode; |
| } else if (str == QT_INHERIT) { |
| return QSvgNode::InheritMode; |
| } |
| return QSvgNode::BlockMode; |
| } |
| |
| static void parseOthers(QSvgNode *node, |
| const QSvgAttributes &attributes, |
| QSvgHandler *) |
| { |
| if (attributes.display.isEmpty()) |
| return; |
| QString displayStr = attributes.display.toString().trimmed(); |
| |
| if (!displayStr.isEmpty()) { |
| node->setDisplayMode(displayStringToEnum(displayStr)); |
| } |
| } |
| |
| static bool parseStyle(QSvgNode *node, |
| const QSvgAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| parseColor(node, attributes, handler); |
| parseBrush(node, attributes, handler); |
| parsePen(node, attributes, handler); |
| parseFont(node, attributes, handler); |
| parseTransform(node, attributes, handler); |
| parseVisibility(node, attributes, handler); |
| parseOpacity(node, attributes, handler); |
| parseCompOp(node, attributes, handler); |
| parseOthers(node, attributes, handler); |
| #if 0 |
| value = attributes.value("audio-level"); |
| |
| value = attributes.value("color-rendering"); |
| |
| value = attributes.value("display-align"); |
| |
| value = attributes.value("image-rendering"); |
| |
| value = attributes.value("line-increment"); |
| |
| value = attributes.value("pointer-events"); |
| |
| value = attributes.value("shape-rendering"); |
| |
| value = attributes.value("solid-color"); |
| |
| value = attributes.value("solid-opacity"); |
| |
| value = attributes.value("text-rendering"); |
| |
| value = attributes.value("vector-effect"); |
| |
| value = attributes.value("viewport-fill"); |
| |
| value = attributes.value("viewport-fill-opacity"); |
| #endif |
| return true; |
| } |
| |
| static bool parseStyle(QSvgNode *node, |
| const QXmlStreamAttributes &attrs, |
| QSvgHandler *handler) |
| { |
| return parseStyle(node, QSvgAttributes(attrs, handler), handler); |
| } |
| |
| static bool parseAnchorNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static bool parseAnimateNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static bool parseAnimateColorNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| QStringRef fromStr = attributes.value(QLatin1String("from")); |
| QStringRef toStr = attributes.value(QLatin1String("to")); |
| QString valuesStr = attributes.value(QLatin1String("values")).toString(); |
| QString beginStr = attributes.value(QLatin1String("begin")).toString(); |
| QString durStr = attributes.value(QLatin1String("dur")).toString(); |
| QString targetStr = attributes.value(QLatin1String("attributeName")).toString(); |
| QString repeatStr = attributes.value(QLatin1String("repeatCount")).toString(); |
| QString fillStr = attributes.value(QLatin1String("fill")).toString(); |
| |
| QList<QColor> colors; |
| if (valuesStr.isEmpty()) { |
| QColor startColor, endColor; |
| resolveColor(fromStr, startColor, handler); |
| resolveColor(toStr, endColor, handler); |
| colors.reserve(2); |
| colors.append(startColor); |
| colors.append(endColor); |
| } else { |
| QStringList str = valuesStr.split(QLatin1Char(';')); |
| colors.reserve(str.count()); |
| QStringList::const_iterator itr; |
| for (itr = str.constBegin(); itr != str.constEnd(); ++itr) { |
| QColor color; |
| QString str = *itr; |
| resolveColor(QStringRef(&str), color, handler); |
| colors.append(color); |
| } |
| } |
| |
| int ms = 1000; |
| beginStr = beginStr.trimmed(); |
| if (beginStr.endsWith(QLatin1String("ms"))) { |
| beginStr.chop(2); |
| ms = 1; |
| } else if (beginStr.endsWith(QLatin1String("s"))) { |
| beginStr.chop(1); |
| } |
| durStr = durStr.trimmed(); |
| if (durStr.endsWith(QLatin1String("ms"))) { |
| durStr.chop(2); |
| ms = 1; |
| } else if (durStr.endsWith(QLatin1String("s"))) { |
| durStr.chop(1); |
| } |
| int begin = static_cast<int>(toDouble(beginStr) * ms); |
| int end = static_cast<int>((toDouble(durStr) + begin) * ms); |
| |
| QSvgAnimateColor *anim = new QSvgAnimateColor(begin, end, 0); |
| anim->setArgs((targetStr == QLatin1String("fill")), colors); |
| anim->setFreeze(fillStr == QLatin1String("freeze")); |
| anim->setRepeatCount( |
| (repeatStr == QLatin1String("indefinite")) ? -1 : |
| (repeatStr == QLatin1String("")) ? 1 : toDouble(repeatStr)); |
| |
| parent->appendStyleProperty(anim, someId(attributes)); |
| parent->document()->setAnimated(true); |
| handler->setAnimPeriod(begin, end); |
| return true; |
| } |
| |
| static bool parseAimateMotionNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static void parseNumberTriplet(QVector<qreal> &values, const QChar *&s) |
| { |
| QVector<qreal> list = parseNumbersList(s); |
| values << list; |
| for (int i = 3 - list.size(); i > 0; --i) |
| values.append(0.0); |
| } |
| |
| static bool parseAnimateTransformNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| QString typeStr = attributes.value(QLatin1String("type")).toString(); |
| QString values = attributes.value(QLatin1String("values")).toString(); |
| QString beginStr = attributes.value(QLatin1String("begin")).toString(); |
| QString durStr = attributes.value(QLatin1String("dur")).toString(); |
| QString repeatStr = attributes.value(QLatin1String("repeatCount")).toString(); |
| QString fillStr = attributes.value(QLatin1String("fill")).toString(); |
| QString fromStr = attributes.value(QLatin1String("from")).toString(); |
| QString toStr = attributes.value(QLatin1String("to")).toString(); |
| QString byStr = attributes.value(QLatin1String("by")).toString(); |
| QString addtv = attributes.value(QLatin1String("additive")).toString(); |
| |
| QSvgAnimateTransform::Additive additive = QSvgAnimateTransform::Replace; |
| if (addtv == QLatin1String("sum")) |
| additive = QSvgAnimateTransform::Sum; |
| |
| QVector<qreal> vals; |
| if (values.isEmpty()) { |
| const QChar *s; |
| if (fromStr.isEmpty()) { |
| if (!byStr.isEmpty()) { |
| // By-animation. |
| additive = QSvgAnimateTransform::Sum; |
| vals.append(0.0); |
| vals.append(0.0); |
| vals.append(0.0); |
| parseNumberTriplet(vals, s = byStr.constData()); |
| } else { |
| // To-animation not defined. |
| return false; |
| } |
| } else { |
| if (!toStr.isEmpty()) { |
| // From-to-animation. |
| parseNumberTriplet(vals, s = fromStr.constData()); |
| parseNumberTriplet(vals, s = toStr.constData()); |
| } else if (!byStr.isEmpty()) { |
| // From-by-animation. |
| parseNumberTriplet(vals, s = fromStr.constData()); |
| parseNumberTriplet(vals, s = byStr.constData()); |
| for (int i = vals.size() - 3; i < vals.size(); ++i) |
| vals[i] += vals[i - 3]; |
| } else { |
| return false; |
| } |
| } |
| } else { |
| const QChar *s = values.constData(); |
| while (s && *s != QLatin1Char(0)) { |
| parseNumberTriplet(vals, s); |
| if (*s == QLatin1Char(0)) |
| break; |
| ++s; |
| } |
| } |
| |
| int ms = 1000; |
| beginStr = beginStr.trimmed(); |
| if (beginStr.endsWith(QLatin1String("ms"))) { |
| beginStr.chop(2); |
| ms = 1; |
| } else if (beginStr.endsWith(QLatin1String("s"))) { |
| beginStr.chop(1); |
| } |
| int begin = static_cast<int>(toDouble(beginStr) * ms); |
| durStr = durStr.trimmed(); |
| if (durStr.endsWith(QLatin1String("ms"))) { |
| durStr.chop(2); |
| ms = 1; |
| } else if (durStr.endsWith(QLatin1String("s"))) { |
| durStr.chop(1); |
| ms = 1000; |
| } |
| int end = static_cast<int>(toDouble(durStr)*ms) + begin; |
| |
| QSvgAnimateTransform::TransformType type = QSvgAnimateTransform::Empty; |
| if (typeStr == QLatin1String("translate")) { |
| type = QSvgAnimateTransform::Translate; |
| } else if (typeStr == QLatin1String("scale")) { |
| type = QSvgAnimateTransform::Scale; |
| } else if (typeStr == QLatin1String("rotate")) { |
| type = QSvgAnimateTransform::Rotate; |
| } else if (typeStr == QLatin1String("skewX")) { |
| type = QSvgAnimateTransform::SkewX; |
| } else if (typeStr == QLatin1String("skewY")) { |
| type = QSvgAnimateTransform::SkewY; |
| } else { |
| return false; |
| } |
| |
| QSvgAnimateTransform *anim = new QSvgAnimateTransform(begin, end, 0); |
| anim->setArgs(type, additive, vals); |
| anim->setFreeze(fillStr == QLatin1String("freeze")); |
| anim->setRepeatCount( |
| (repeatStr == QLatin1String("indefinite"))? -1 : |
| (repeatStr == QLatin1String(""))? 1 : toDouble(repeatStr)); |
| |
| parent->appendStyleProperty(anim, someId(attributes)); |
| parent->document()->setAnimated(true); |
| handler->setAnimPeriod(begin, end); |
| return true; |
| } |
| |
| static QSvgNode * createAnimationNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return 0; |
| } |
| |
| static bool parseAudioNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static QSvgNode *createCircleNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| const QStringRef cx = attributes.value(QLatin1String("cx")); |
| const QStringRef cy = attributes.value(QLatin1String("cy")); |
| const QStringRef r = attributes.value(QLatin1String("r")); |
| qreal ncx = toDouble(cx); |
| qreal ncy = toDouble(cy); |
| qreal nr = toDouble(r); |
| |
| QRectF rect(ncx-nr, ncy-nr, nr*2, nr*2); |
| QSvgNode *circle = new QSvgCircle(parent, rect); |
| return circle; |
| } |
| |
| static QSvgNode *createDefsNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(attributes); |
| QSvgDefs *defs = new QSvgDefs(parent); |
| return defs; |
| } |
| |
| static bool parseDescNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static bool parseDiscardNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static QSvgNode *createEllipseNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| const QStringRef cx = attributes.value(QLatin1String("cx")); |
| const QStringRef cy = attributes.value(QLatin1String("cy")); |
| const QStringRef rx = attributes.value(QLatin1String("rx")); |
| const QStringRef ry = attributes.value(QLatin1String("ry")); |
| qreal ncx = toDouble(cx); |
| qreal ncy = toDouble(cy); |
| qreal nrx = toDouble(rx); |
| qreal nry = toDouble(ry); |
| |
| QRectF rect(ncx-nrx, ncy-nry, nrx*2, nry*2); |
| QSvgNode *ellipse = new QSvgEllipse(parent, rect); |
| return ellipse; |
| } |
| |
| static QSvgStyleProperty *createFontNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| const QStringRef hax = attributes.value(QLatin1String("horiz-adv-x")); |
| QString myId = someId(attributes); |
| |
| qreal horizAdvX = toDouble(hax); |
| |
| while (parent && parent->type() != QSvgNode::DOC) { |
| parent = parent->parent(); |
| } |
| |
| if (parent && !myId.isEmpty()) { |
| QSvgTinyDocument *doc = static_cast<QSvgTinyDocument*>(parent); |
| QSvgFont *font = doc->svgFont(myId); |
| if (!font) { |
| font = new QSvgFont(horizAdvX); |
| font->setFamilyName(myId); |
| doc->addSvgFont(font); |
| } |
| return new QSvgFontStyle(font, doc); |
| } |
| return nullptr; |
| } |
| |
| static bool parseFontFaceNode(QSvgStyleProperty *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| if (parent->type() != QSvgStyleProperty::FONT) { |
| return false; |
| } |
| |
| QSvgFontStyle *style = static_cast<QSvgFontStyle*>(parent); |
| QSvgFont *font = style->svgFont(); |
| QString name = attributes.value(QLatin1String("font-family")).toString(); |
| const QStringRef unitsPerEmStr = attributes.value(QLatin1String("units-per-em")); |
| |
| qreal unitsPerEm = toDouble(unitsPerEmStr); |
| if (!unitsPerEm) |
| unitsPerEm = 1000; |
| |
| if (!name.isEmpty()) |
| font->setFamilyName(name); |
| font->setUnitsPerEm(unitsPerEm); |
| |
| if (!font->familyName().isEmpty()) |
| if (!style->doc()->svgFont(font->familyName())) |
| style->doc()->addSvgFont(font); |
| |
| return true; |
| } |
| |
| static bool parseFontFaceNameNode(QSvgStyleProperty *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| if (parent->type() != QSvgStyleProperty::FONT) { |
| return false; |
| } |
| |
| QSvgFontStyle *style = static_cast<QSvgFontStyle*>(parent); |
| QSvgFont *font = style->svgFont(); |
| QString name = attributes.value(QLatin1String("name")).toString(); |
| |
| if (!name.isEmpty()) |
| font->setFamilyName(name); |
| |
| if (!font->familyName().isEmpty()) |
| if (!style->doc()->svgFont(font->familyName())) |
| style->doc()->addSvgFont(font); |
| |
| return true; |
| } |
| |
| static bool parseFontFaceSrcNode(QSvgStyleProperty *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static bool parseFontFaceUriNode(QSvgStyleProperty *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static bool parseForeignObjectNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static QSvgNode *createGNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(attributes); |
| QSvgG *node = new QSvgG(parent); |
| return node; |
| } |
| |
| static bool parseGlyphNode(QSvgStyleProperty *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| if (parent->type() != QSvgStyleProperty::FONT) { |
| return false; |
| } |
| |
| QSvgFontStyle *style = static_cast<QSvgFontStyle*>(parent); |
| QSvgFont *font = style->svgFont(); |
| createSvgGlyph(font, attributes); |
| return true; |
| } |
| |
| static bool parseHandlerNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static bool parseHkernNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static QSvgNode *createImageNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| const QStringRef x = attributes.value(QLatin1String("x")); |
| const QStringRef y = attributes.value(QLatin1String("y")); |
| const QStringRef width = attributes.value(QLatin1String("width")); |
| const QStringRef height = attributes.value(QLatin1String("height")); |
| QString filename = attributes.value(QLatin1String("xlink:href")).toString(); |
| qreal nx = toDouble(x); |
| qreal ny = toDouble(y); |
| QSvgHandler::LengthType type; |
| qreal nwidth = parseLength(width, type, handler); |
| nwidth = convertToPixels(nwidth, true, type); |
| |
| qreal nheight = parseLength(height, type, handler); |
| nheight = convertToPixels(nheight, false, type); |
| |
| filename = filename.trimmed(); |
| if (filename.isEmpty()) { |
| qCWarning(lcSvgHandler) << "QSvgHandler: Image filename is empty"; |
| return 0; |
| } |
| if (nwidth <= 0 || nheight <= 0) { |
| qCWarning(lcSvgHandler) << "QSvgHandler: Width or height for" << filename << "image was not greater than 0"; |
| return 0; |
| } |
| |
| QImage image; |
| if (filename.startsWith(QLatin1String("data"))) { |
| int idx = filename.lastIndexOf(QLatin1String("base64,")); |
| if (idx != -1) { |
| idx += 7; |
| const QString dataStr = filename.mid(idx); |
| QByteArray data = QByteArray::fromBase64(dataStr.toLatin1()); |
| image = QImage::fromData(data); |
| } else { |
| qCDebug(lcSvgHandler) << "QSvgHandler::createImageNode: Unrecognized inline image format!"; |
| } |
| } else { |
| const auto *file = qobject_cast<QFile *>(handler->device()); |
| if (file) { |
| QUrl url(filename); |
| if (url.isRelative()) { |
| QFileInfo info(file->fileName()); |
| filename = info.absoluteDir().absoluteFilePath(filename); |
| } |
| } |
| image = QImage(filename); |
| } |
| |
| if (image.isNull()) { |
| qCWarning(lcSvgHandler) << "Could not create image from" << filename; |
| return 0; |
| } |
| |
| if (image.format() == QImage::Format_ARGB32) |
| image = image.convertToFormat(QImage::Format_ARGB32_Premultiplied); |
| |
| QSvgNode *img = new QSvgImage(parent, |
| image, |
| QRectF(nx, |
| ny, |
| nwidth, |
| nheight)); |
| return img; |
| } |
| |
| static QSvgNode *createLineNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| const QStringRef x1 = attributes.value(QLatin1String("x1")); |
| const QStringRef y1 = attributes.value(QLatin1String("y1")); |
| const QStringRef x2 = attributes.value(QLatin1String("x2")); |
| const QStringRef y2 = attributes.value(QLatin1String("y2")); |
| qreal nx1 = toDouble(x1); |
| qreal ny1 = toDouble(y1); |
| qreal nx2 = toDouble(x2); |
| qreal ny2 = toDouble(y2); |
| |
| QLineF lineBounds(nx1, ny1, nx2, ny2); |
| QSvgNode *line = new QSvgLine(parent, lineBounds); |
| return line; |
| } |
| |
| |
| static void parseBaseGradient(QSvgNode *node, |
| const QXmlStreamAttributes &attributes, |
| QSvgGradientStyle *gradProp, |
| QSvgHandler *handler) |
| { |
| QString link = attributes.value(QLatin1String("xlink:href")).toString(); |
| QStringRef trans = attributes.value(QLatin1String("gradientTransform")); |
| QString spread = attributes.value(QLatin1String("spreadMethod")).toString(); |
| QString units = attributes.value(QLatin1String("gradientUnits")).toString(); |
| QStringRef colorStr = attributes.value(QLatin1String("color")); |
| QStringRef colorOpacityStr = attributes.value(QLatin1String("color-opacity")); |
| |
| QColor color; |
| if (constructColor(colorStr, colorOpacityStr, color, handler)) { |
| handler->popColor(); |
| handler->pushColor(color); |
| } |
| |
| QMatrix matrix; |
| QGradient *grad = gradProp->qgradient(); |
| if (!link.isEmpty()) { |
| QSvgStyleProperty *prop = node->styleProperty(link); |
| //qDebug()<<"inherited "<<prop<<" ("<<link<<")"; |
| if (prop && prop->type() == QSvgStyleProperty::GRADIENT) { |
| QSvgGradientStyle *inherited = |
| static_cast<QSvgGradientStyle*>(prop); |
| if (!inherited->stopLink().isEmpty()) { |
| gradProp->setStopLink(inherited->stopLink(), handler->document()); |
| } else { |
| grad->setStops(inherited->qgradient()->stops()); |
| gradProp->setGradientStopsSet(inherited->gradientStopsSet()); |
| } |
| |
| matrix = inherited->qmatrix(); |
| } else { |
| gradProp->setStopLink(link, handler->document()); |
| } |
| } |
| |
| if (!trans.isEmpty()) { |
| matrix = parseTransformationMatrix(trans); |
| gradProp->setMatrix(matrix); |
| } else if (!matrix.isIdentity()) { |
| gradProp->setMatrix(matrix); |
| } |
| |
| if (!spread.isEmpty()) { |
| if (spread == QLatin1String("pad")) { |
| grad->setSpread(QGradient::PadSpread); |
| } else if (spread == QLatin1String("reflect")) { |
| grad->setSpread(QGradient::ReflectSpread); |
| } else if (spread == QLatin1String("repeat")) { |
| grad->setSpread(QGradient::RepeatSpread); |
| } |
| } |
| |
| if (units.isEmpty() || units == QLatin1String("objectBoundingBox")) { |
| grad->setCoordinateMode(QGradient::ObjectMode); |
| } |
| } |
| |
| static QSvgStyleProperty *createLinearGradientNode(QSvgNode *node, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| const QStringRef x1 = attributes.value(QLatin1String("x1")); |
| const QStringRef y1 = attributes.value(QLatin1String("y1")); |
| const QStringRef x2 = attributes.value(QLatin1String("x2")); |
| const QStringRef y2 = attributes.value(QLatin1String("y2")); |
| |
| qreal nx1 = 0.0; |
| qreal ny1 = 0.0; |
| qreal nx2 = 1.0; |
| qreal ny2 = 0.0; |
| |
| if (!x1.isEmpty()) |
| nx1 = convertToNumber(x1, handler); |
| if (!y1.isEmpty()) |
| ny1 = convertToNumber(y1, handler); |
| if (!x2.isEmpty()) |
| nx2 = convertToNumber(x2, handler); |
| if (!y2.isEmpty()) |
| ny2 = convertToNumber(y2, handler); |
| |
| QSvgNode *itr = node; |
| while (itr && itr->type() != QSvgNode::DOC) { |
| itr = itr->parent(); |
| } |
| |
| QLinearGradient *grad = new QLinearGradient(nx1, ny1, nx2, ny2); |
| grad->setInterpolationMode(QGradient::ComponentInterpolation); |
| QSvgGradientStyle *prop = new QSvgGradientStyle(grad); |
| parseBaseGradient(node, attributes, prop, handler); |
| |
| return prop; |
| } |
| |
| static bool parseMetadataNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static bool parseMissingGlyphNode(QSvgStyleProperty *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| if (parent->type() != QSvgStyleProperty::FONT) { |
| return false; |
| } |
| |
| QSvgFontStyle *style = static_cast<QSvgFontStyle*>(parent); |
| QSvgFont *font = style->svgFont(); |
| createSvgGlyph(font, attributes); |
| return true; |
| } |
| |
| static bool parseMpathNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static QSvgNode *createPathNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| QStringRef data = attributes.value(QLatin1String("d")); |
| |
| QPainterPath qpath; |
| qpath.setFillRule(Qt::WindingFill); |
| //XXX do error handling |
| parsePathDataFast(data, qpath); |
| |
| QSvgNode *path = new QSvgPath(parent, qpath); |
| return path; |
| } |
| |
| static QSvgNode *createPolygonNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| QString pointsStr = attributes.value(QLatin1String("points")).toString(); |
| |
| //same QPolygon parsing is in createPolylineNode |
| const QChar *s = pointsStr.constData(); |
| QVector<qreal> points = parseNumbersList(s); |
| QPolygonF poly(points.count()/2); |
| for (int i = 0; i < poly.size(); ++i) |
| poly[i] = QPointF(points.at(2 * i), points.at(2 * i + 1)); |
| QSvgNode *polygon = new QSvgPolygon(parent, poly); |
| return polygon; |
| } |
| |
| static QSvgNode *createPolylineNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| QString pointsStr = attributes.value(QLatin1String("points")).toString(); |
| |
| //same QPolygon parsing is in createPolygonNode |
| const QChar *s = pointsStr.constData(); |
| QVector<qreal> points = parseNumbersList(s); |
| QPolygonF poly(points.count()/2); |
| for (int i = 0; i < poly.size(); ++i) |
| poly[i] = QPointF(points.at(2 * i), points.at(2 * i + 1)); |
| |
| QSvgNode *line = new QSvgPolyline(parent, poly); |
| return line; |
| } |
| |
| static bool parsePrefetchNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static QSvgStyleProperty *createRadialGradientNode(QSvgNode *node, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| const QStringRef cx = attributes.value(QLatin1String("cx")); |
| const QStringRef cy = attributes.value(QLatin1String("cy")); |
| const QStringRef r = attributes.value(QLatin1String("r")); |
| const QStringRef fx = attributes.value(QLatin1String("fx")); |
| const QStringRef fy = attributes.value(QLatin1String("fy")); |
| |
| qreal ncx = 0.5; |
| qreal ncy = 0.5; |
| qreal nr = 0.5; |
| if (!cx.isEmpty()) |
| ncx = toDouble(cx); |
| if (!cy.isEmpty()) |
| ncy = toDouble(cy); |
| if (!r.isEmpty()) |
| nr = toDouble(r); |
| |
| qreal nfx = ncx; |
| if (!fx.isEmpty()) |
| nfx = toDouble(fx); |
| qreal nfy = ncy; |
| if (!fy.isEmpty()) |
| nfy = toDouble(fy); |
| |
| QRadialGradient *grad = new QRadialGradient(ncx, ncy, nr, nfx, nfy); |
| grad->setInterpolationMode(QGradient::ComponentInterpolation); |
| |
| QSvgGradientStyle *prop = new QSvgGradientStyle(grad); |
| parseBaseGradient(node, attributes, prop, handler); |
| |
| return prop; |
| } |
| |
| static QSvgNode *createRectNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| const QStringRef x = attributes.value(QLatin1String("x")); |
| const QStringRef y = attributes.value(QLatin1String("y")); |
| const QStringRef width = attributes.value(QLatin1String("width")); |
| const QStringRef height = attributes.value(QLatin1String("height")); |
| const QStringRef rx = attributes.value(QLatin1String("rx")); |
| const QStringRef ry = attributes.value(QLatin1String("ry")); |
| |
| QSvgHandler::LengthType type; |
| qreal nwidth = parseLength(width, type, handler); |
| nwidth = convertToPixels(nwidth, true, type); |
| |
| qreal nheight = parseLength(height, type, handler); |
| nheight = convertToPixels(nheight, true, type); |
| qreal nrx = toDouble(rx); |
| qreal nry = toDouble(ry); |
| |
| QRectF bounds(toDouble(x), toDouble(y), |
| nwidth, nheight); |
| |
| //9.2 The 'rect' element clearly specifies it |
| // but the case might in fact be handled because |
| // we draw rounded rectangles differently |
| if (nrx > bounds.width()/2) |
| nrx = bounds.width()/2; |
| if (nry > bounds.height()/2) |
| nry = bounds.height()/2; |
| |
| if (!rx.isEmpty() && ry.isEmpty()) |
| nry = nrx; |
| else if (!ry.isEmpty() && rx.isEmpty()) |
| nrx = nry; |
| |
| //we draw rounded rect from 0...99 |
| //svg from 0...bounds.width()/2 so we're adjusting the |
| //coordinates |
| nrx *= (100/(bounds.width()/2)); |
| nry *= (100/(bounds.height()/2)); |
| |
| QSvgNode *rect = new QSvgRect(parent, bounds, |
| int(nrx), |
| int(nry)); |
| return rect; |
| } |
| |
| static bool parseScriptNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static bool parseSetNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static QSvgStyleProperty *createSolidColorNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| QStringRef solidColorStr = attributes.value(QLatin1String("solid-color")); |
| QStringRef solidOpacityStr = attributes.value(QLatin1String("solid-opacity")); |
| |
| if (solidOpacityStr.isEmpty()) |
| solidOpacityStr = attributes.value(QLatin1String("opacity")); |
| |
| QColor color; |
| if (!constructColor(solidColorStr, solidOpacityStr, color, handler)) |
| return 0; |
| QSvgSolidColorStyle *style = new QSvgSolidColorStyle(color); |
| return style; |
| } |
| |
| static bool parseStopNode(QSvgStyleProperty *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| if (parent->type() != QSvgStyleProperty::GRADIENT) |
| return false; |
| QString nodeIdStr = someId(attributes); |
| QString xmlClassStr = attributes.value(QLatin1String("class")).toString(); |
| |
| //### nasty hack because stop gradients are not in the rendering tree |
| // we force a dummy node with the same id and class into a rendering |
| // tree to figure out whether the selector has a style for it |
| // QSvgStyleSelector should be coded in a way that could avoid it |
| QSvgAnimation anim; |
| anim.setNodeId(nodeIdStr); |
| anim.setXmlClass(xmlClassStr); |
| |
| QXmlStreamAttributes xmlAttr = attributes; |
| |
| #ifndef QT_NO_CSSPARSER |
| QCss::StyleSelector::NodePtr cssNode; |
| cssNode.ptr = &anim; |
| QVector<QCss::Declaration> decls = handler->selector()->declarationsForNode(cssNode); |
| |
| for (int i = 0; i < decls.count(); ++i) { |
| const QCss::Declaration &decl = decls.at(i); |
| |
| if (decl.d->property.isEmpty()) |
| continue; |
| if (decl.d->values.count() != 1) |
| continue; |
| QCss::Value val = decl.d->values.first(); |
| QString valueStr = val.toString(); |
| if (val.type == QCss::Value::Uri) { |
| valueStr.prepend(QLatin1String("url(")); |
| valueStr.append(QLatin1Char(')')); |
| } |
| xmlAttr.append(QString(), decl.d->property, valueStr); |
| } |
| |
| #endif |
| |
| QSvgAttributes attrs(xmlAttr, handler); |
| |
| QSvgGradientStyle *style = |
| static_cast<QSvgGradientStyle*>(parent); |
| QStringRef colorStr = attrs.stopColor; |
| QColor color; |
| |
| bool ok = true; |
| qreal offset = convertToNumber(attrs.offset, handler, &ok); |
| if (!ok) |
| offset = 0.0; |
| QString black = QString::fromLatin1("#000000"); |
| if (colorStr.isEmpty()) { |
| colorStr = QStringRef(&black); |
| } |
| |
| constructColor(colorStr, attrs.stopOpacity, color, handler); |
| |
| QGradient *grad = style->qgradient(); |
| |
| offset = qMin(qreal(1), qMax(qreal(0), offset)); // Clamp to range [0, 1] |
| QGradientStops stops; |
| if (style->gradientStopsSet()) { |
| stops = grad->stops(); |
| // If the stop offset equals the one previously added, add an epsilon to make it greater. |
| if (offset <= stops.back().first) |
| offset = stops.back().first + FLT_EPSILON; |
| } |
| |
| // If offset is greater than one, it must be clamped to one. |
| if (offset > 1.0) { |
| if ((stops.size() == 1) || (stops.at(stops.size() - 2).first < 1.0 - FLT_EPSILON)) { |
| stops.back().first = 1.0 - FLT_EPSILON; |
| grad->setStops(stops); |
| } |
| offset = 1.0; |
| } |
| |
| grad->setColorAt(offset, color); |
| style->setGradientStopsSet(true); |
| return true; |
| } |
| |
| static bool parseStyleNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| Q_UNUSED(parent); |
| #ifdef QT_NO_CSSPARSER |
| Q_UNUSED(attributes) |
| Q_UNUSED(handler) |
| #else |
| const QStringRef type = attributes.value(QLatin1String("type")); |
| if (type.compare(QLatin1String("text/css"), Qt::CaseInsensitive) == 0 || type.isNull()) |
| handler->setInStyle(true); |
| #endif |
| |
| return true; |
| } |
| |
| static QSvgNode *createSvgNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| |
| QSvgTinyDocument *node = new QSvgTinyDocument(); |
| const QStringRef widthStr = attributes.value(QLatin1String("width")); |
| const QStringRef heightStr = attributes.value(QLatin1String("height")); |
| QString viewBoxStr = attributes.value(QLatin1String("viewBox")).toString(); |
| |
| QSvgHandler::LengthType type = QSvgHandler::LT_PX; // FIXME: is the default correct? |
| qreal width = 0; |
| if (!widthStr.isEmpty()) { |
| width = parseLength(widthStr, type, handler); |
| if (type != QSvgHandler::LT_PT) |
| width = convertToPixels(width, true, type); |
| node->setWidth(int(width), type == QSvgHandler::LT_PERCENT); |
| } |
| qreal height = 0; |
| if (!heightStr.isEmpty()) { |
| height = parseLength(heightStr, type, handler); |
| if (type != QSvgHandler::LT_PT) |
| height = convertToPixels(height, false, type); |
| node->setHeight(int(height), type == QSvgHandler::LT_PERCENT); |
| } |
| |
| QStringList viewBoxValues; |
| if (!viewBoxStr.isEmpty()) { |
| viewBoxStr = viewBoxStr.replace(QLatin1Char(' '), QLatin1Char(',')); |
| viewBoxStr = viewBoxStr.replace(QLatin1Char('\r'), QLatin1Char(',')); |
| viewBoxStr = viewBoxStr.replace(QLatin1Char('\n'), QLatin1Char(',')); |
| viewBoxStr = viewBoxStr.replace(QLatin1Char('\t'), QLatin1Char(',')); |
| viewBoxValues = viewBoxStr.split(QLatin1Char(','), QString::SkipEmptyParts); |
| } |
| if (viewBoxValues.count() == 4) { |
| QString xStr = viewBoxValues.at(0).trimmed(); |
| QString yStr = viewBoxValues.at(1).trimmed(); |
| QString widthStr = viewBoxValues.at(2).trimmed(); |
| QString heightStr = viewBoxValues.at(3).trimmed(); |
| |
| QSvgHandler::LengthType lt; |
| qreal x = parseLength(xStr, lt, handler); |
| qreal y = parseLength(yStr, lt, handler); |
| qreal w = parseLength(widthStr, lt, handler); |
| qreal h = parseLength(heightStr, lt, handler); |
| |
| node->setViewBox(QRectF(x, y, w, h)); |
| |
| } else if (width && height) { |
| if (type == QSvgHandler::LT_PT) { |
| width = convertToPixels(width, false, type); |
| height = convertToPixels(height, false, type); |
| } |
| node->setViewBox(QRectF(0, 0, width, height)); |
| } |
| handler->setDefaultCoordinateSystem(QSvgHandler::LT_PX); |
| |
| return node; |
| } |
| |
| static QSvgNode *createSwitchNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(attributes); |
| QSvgSwitch *node = new QSvgSwitch(parent); |
| return node; |
| } |
| |
| static bool parseTbreakNode(QSvgNode *parent, |
| const QXmlStreamAttributes &, |
| QSvgHandler *) |
| { |
| if (parent->type() != QSvgNode::TEXTAREA) |
| return false; |
| static_cast<QSvgText*>(parent)->addLineBreak(); |
| return true; |
| } |
| |
| static QSvgNode *createTextNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| const QStringRef x = attributes.value(QLatin1String("x")); |
| const QStringRef y = attributes.value(QLatin1String("y")); |
| //### editable and rotate not handled |
| QSvgHandler::LengthType type; |
| qreal nx = parseLength(x, type, handler); |
| qreal ny = parseLength(y, type, handler); |
| |
| QSvgNode *text = new QSvgText(parent, QPointF(nx, ny)); |
| return text; |
| } |
| |
| static QSvgNode *createTextAreaNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| QSvgText *node = static_cast<QSvgText *>(createTextNode(parent, attributes, handler)); |
| if (node) { |
| QSvgHandler::LengthType type; |
| qreal width = parseLength(attributes.value(QLatin1String("width")), type, handler); |
| qreal height = parseLength(attributes.value(QLatin1String("height")), type, handler); |
| node->setTextArea(QSizeF(width, height)); |
| } |
| return node; |
| } |
| |
| static QSvgNode *createTspanNode(QSvgNode *parent, |
| const QXmlStreamAttributes &, |
| QSvgHandler *) |
| { |
| return new QSvgTspan(parent); |
| } |
| |
| static bool parseTitleNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return true; |
| } |
| |
| static QSvgNode *createUseNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *handler) |
| { |
| QString linkId = attributes.value(QLatin1String("xlink:href")).toString().remove(0, 1); |
| const QStringRef xStr = attributes.value(QLatin1String("x")); |
| const QStringRef yStr = attributes.value(QLatin1String("y")); |
| QSvgStructureNode *group = 0; |
| |
| if (linkId.isEmpty()) |
| linkId = attributes.value(QLatin1String("href")).toString().remove(0, 1); |
| switch (parent->type()) { |
| case QSvgNode::DOC: |
| case QSvgNode::DEFS: |
| case QSvgNode::G: |
| case QSvgNode::SWITCH: |
| group = static_cast<QSvgStructureNode*>(parent); |
| break; |
| default: |
| break; |
| } |
| |
| if (group) { |
| QPointF pt; |
| if (!xStr.isNull() || !yStr.isNull()) { |
| QSvgHandler::LengthType type; |
| qreal nx = parseLength(xStr, type, handler); |
| nx = convertToPixels(nx, true, type); |
| |
| qreal ny = parseLength(yStr, type, handler); |
| ny = convertToPixels(ny, true, type); |
| pt = QPointF(nx, ny); |
| } |
| |
| QSvgNode *link = group->scopeNode(linkId); |
| if (link) { |
| if (parent->isDescendantOf(link)) |
| qCWarning(lcSvgHandler, "link #%s is recursive!", qPrintable(linkId)); |
| |
| return new QSvgUse(pt, parent, link); |
| } |
| |
| //delay link resolving, link might have not been created yet |
| return new QSvgUse(pt, parent, linkId); |
| } |
| |
| qCWarning(lcSvgHandler, "<use> element %s in wrong context!", qPrintable(linkId)); |
| return 0; |
| } |
| |
| static QSvgNode *createVideoNode(QSvgNode *parent, |
| const QXmlStreamAttributes &attributes, |
| QSvgHandler *) |
| { |
| Q_UNUSED(parent); Q_UNUSED(attributes); |
| return 0; |
| } |
| |
| typedef QSvgNode *(*FactoryMethod)(QSvgNode *, const QXmlStreamAttributes &, QSvgHandler *); |
| |
| static FactoryMethod findGroupFactory(const QString &name) |
| { |
| if (name.isEmpty()) |
| return 0; |
| |
| QStringRef ref(&name, 1, name.length() - 1); |
| switch (name.at(0).unicode()) { |
| case 'd': |
| if (ref == QLatin1String("efs")) return createDefsNode; |
| break; |
| case 'g': |
| if (ref.isEmpty()) return createGNode; |
| break; |
| case 's': |
| if (ref == QLatin1String("vg")) return createSvgNode; |
| if (ref == QLatin1String("witch")) return createSwitchNode; |
| break; |
| default: |
| break; |
| } |
| return 0; |
| } |
| |
| static FactoryMethod findGraphicsFactory(const QString &name) |
| { |
| if (name.isEmpty()) |
| return 0; |
| |
| QStringRef ref(&name, 1, name.length() - 1); |
| switch (name.at(0).unicode()) { |
| case 'a': |
| if (ref == QLatin1String("nimation")) return createAnimationNode; |
| break; |
| case 'c': |
| if (ref == QLatin1String("ircle")) return createCircleNode; |
| break; |
| case 'e': |
| if (ref == QLatin1String("llipse")) return createEllipseNode; |
| break; |
| case 'i': |
| if (ref == QLatin1String("mage")) return createImageNode; |
| break; |
| case 'l': |
| if (ref == QLatin1String("ine")) return createLineNode; |
| break; |
| case 'p': |
| if (ref == QLatin1String("ath")) return createPathNode; |
| if (ref == QLatin1String("olygon")) return createPolygonNode; |
| if (ref == QLatin1String("olyline")) return createPolylineNode; |
| break; |
| case 'r': |
| if (ref == QLatin1String("ect")) return createRectNode; |
| break; |
| case 't': |
| if (ref == QLatin1String("ext")) return createTextNode; |
| if (ref == QLatin1String("extArea")) return createTextAreaNode; |
| if (ref == QLatin1String("span")) return createTspanNode; |
| break; |
| case 'u': |
| if (ref == QLatin1String("se")) return createUseNode; |
| break; |
| case 'v': |
| if (ref == QLatin1String("ideo")) return createVideoNode; |
| break; |
| default: |
| break; |
| } |
| return 0; |
| } |
| |
| typedef bool (*ParseMethod)(QSvgNode *, const QXmlStreamAttributes &, QSvgHandler *); |
| |
| static ParseMethod findUtilFactory(const QString &name) |
| { |
| if (name.isEmpty()) |
| return 0; |
| |
| QStringRef ref(&name, 1, name.length() - 1); |
| switch (name.at(0).unicode()) { |
| case 'a': |
| if (ref.isEmpty()) return parseAnchorNode; |
| if (ref == QLatin1String("nimate")) return parseAnimateNode; |
| if (ref == QLatin1String("nimateColor")) return parseAnimateColorNode; |
| if (ref == QLatin1String("nimateMotion")) return parseAimateMotionNode; |
| if (ref == QLatin1String("nimateTransform")) return parseAnimateTransformNode; |
| if (ref == QLatin1String("udio")) return parseAudioNode; |
| break; |
| case 'd': |
| if (ref == QLatin1String("esc")) return parseDescNode; |
| if (ref == QLatin1String("iscard")) return parseDiscardNode; |
| break; |
| case 'f': |
| if (ref == QLatin1String("oreignObject")) return parseForeignObjectNode; |
| break; |
| case 'h': |
| if (ref == QLatin1String("andler")) return parseHandlerNode; |
| if (ref == QLatin1String("kern")) return parseHkernNode; |
| break; |
| case 'm': |
| if (ref == QLatin1String("etadata")) return parseMetadataNode; |
| if (ref == QLatin1String("path")) return parseMpathNode; |
| break; |
| case 'p': |
| if (ref == QLatin1String("refetch")) return parsePrefetchNode; |
| break; |
| case 's': |
| if (ref == QLatin1String("cript")) return parseScriptNode; |
| if (ref == QLatin1String("et")) return parseSetNode; |
| if (ref == QLatin1String("tyle")) return parseStyleNode; |
| break; |
| case 't': |
| if (ref == QLatin1String("break")) return parseTbreakNode; |
| if (ref == QLatin1String("itle")) return parseTitleNode; |
| break; |
| default: |
| break; |
| } |
| return 0; |
| } |
| |
| typedef QSvgStyleProperty *(*StyleFactoryMethod)(QSvgNode *, |
| const QXmlStreamAttributes &, |
| QSvgHandler *); |
| |
| static StyleFactoryMethod findStyleFactoryMethod(const QString &name) |
| { |
| if (name.isEmpty()) |
| return 0; |
| |
| QStringRef ref(&name, 1, name.length() - 1); |
| switch (name.at(0).unicode()) { |
| case 'f': |
| if (ref == QLatin1String("ont")) return createFontNode; |
| break; |
| case 'l': |
| if (ref == QLatin1String("inearGradient")) return createLinearGradientNode; |
| break; |
| case 'r': |
| if (ref == QLatin1String("adialGradient")) return createRadialGradientNode; |
| break; |
| case 's': |
| if (ref == QLatin1String("olidColor")) return createSolidColorNode; |
| break; |
| default: |
| break; |
| } |
| return 0; |
| } |
| |
| typedef bool (*StyleParseMethod)(QSvgStyleProperty *, |
| const QXmlStreamAttributes &, |
| QSvgHandler *); |
| |
| static StyleParseMethod findStyleUtilFactoryMethod(const QString &name) |
| { |
| if (name.isEmpty()) |
| return 0; |
| |
| QStringRef ref(&name, 1, name.length() - 1); |
| switch (name.at(0).unicode()) { |
| case 'f': |
| if (ref == QLatin1String("ont-face")) return parseFontFaceNode; |
| if (ref == QLatin1String("ont-face-name")) return parseFontFaceNameNode; |
| if (ref == QLatin1String("ont-face-src")) return parseFontFaceSrcNode; |
| if (ref == QLatin1String("ont-face-uri")) return parseFontFaceUriNode; |
| break; |
| case 'g': |
| if (ref == QLatin1String("lyph")) return parseGlyphNode; |
| break; |
| case 'm': |
| if (ref == QLatin1String("issing-glyph")) return parseMissingGlyphNode; |
| break; |
| case 's': |
| if (ref == QLatin1String("top")) return parseStopNode; |
| break; |
| default: |
| break; |
| } |
| return 0; |
| } |
| |
| QSvgHandler::QSvgHandler(QIODevice *device) : xml(new QXmlStreamReader(device)) |
| , m_ownsReader(true) |
| { |
| init(); |
| } |
| |
| QSvgHandler::QSvgHandler(const QByteArray &data) : xml(new QXmlStreamReader(data)) |
| , m_ownsReader(true) |
| { |
| init(); |
| } |
| |
| QSvgHandler::QSvgHandler(QXmlStreamReader *const reader) : xml(reader) |
| , m_ownsReader(false) |
| { |
| init(); |
| } |
| |
| void QSvgHandler::init() |
| { |
| m_doc = 0; |
| m_style = 0; |
| m_animEnd = 0; |
| m_defaultCoords = LT_PX; |
| m_defaultPen = QPen(Qt::black, 1, Qt::SolidLine, Qt::FlatCap, Qt::SvgMiterJoin); |
| m_defaultPen.setMiterLimit(4); |
| parse(); |
| } |
| |
| void QSvgHandler::parse() |
| { |
| xml->setNamespaceProcessing(false); |
| #ifndef QT_NO_CSSPARSER |
| m_selector = new QSvgStyleSelector; |
| m_inStyle = false; |
| #endif |
| bool done = false; |
| while (!xml->atEnd() && !done) { |
| switch (xml->readNext()) { |
| case QXmlStreamReader::StartElement: |
| // he we could/should verify the namespaces, and simply |
| // call m_skipNodes(Unknown) if we don't know the |
| // namespace. We do support http://www.w3.org/2000/svg |
| // but also http://www.w3.org/2000/svg-20000303-stylable |
| // And if the document uses an external dtd, the reported |
| // namespaceUri is empty. The only possible strategy at |
| // this point is to do what everyone else seems to do and |
| // ignore the reported namespaceUri completely. |
| if (!startElement(xml->name().toString(), xml->attributes())) { |
| delete m_doc; |
| m_doc = 0; |
| return; |
| } |
| break; |
| case QXmlStreamReader::EndElement: |
| endElement(xml->name()); |
| // if we are using somebody else's qxmlstreamreader |
| // we should not read until the end of the stream |
| done = !m_ownsReader && (xml->name() == QLatin1String("svg")); |
| break; |
| case QXmlStreamReader::Characters: |
| characters(xml->text()); |
| break; |
| case QXmlStreamReader::ProcessingInstruction: |
| processingInstruction(xml->processingInstructionTarget().toString(), xml->processingInstructionData().toString()); |
| break; |
| default: |
| break; |
| } |
| } |
| resolveGradients(m_doc); |
| resolveNodes(); |
| } |
| |
| bool QSvgHandler::startElement(const QString &localName, |
| const QXmlStreamAttributes &attributes) |
| { |
| QSvgNode *node = 0; |
| |
| pushColorCopy(); |
| |
| /* The xml:space attribute may appear on any element. We do |
| * a lookup by the qualified name here, but this is namespace aware, since |
| * the XML namespace can only be bound to prefix "xml." */ |
| const QStringRef xmlSpace(attributes.value(QLatin1String("xml:space"))); |
| if (xmlSpace.isNull()) { |
| // This element has no xml:space attribute. |
| m_whitespaceMode.push(m_whitespaceMode.isEmpty() ? QSvgText::Default : m_whitespaceMode.top()); |
| } else if (xmlSpace == QLatin1String("preserve")) { |
| m_whitespaceMode.push(QSvgText::Preserve); |
| } else if (xmlSpace == QLatin1String("default")) { |
| m_whitespaceMode.push(QSvgText::Default); |
| } else { |
| const QByteArray msg = '"' + xmlSpace.toString().toLocal8Bit() |
| + "\" is an invalid value for attribute xml:space. " |
| "Valid values are \"preserve\" and \"default\"."; |
| qCWarning(lcSvgHandler, "%s", prefixMessage(msg, xml).constData()); |
| m_whitespaceMode.push(QSvgText::Default); |
| } |
| |
| if (!m_doc && localName != QLatin1String("svg")) |
| return false; |
| |
| if (FactoryMethod method = findGroupFactory(localName)) { |
| //group |
| node = method(m_doc ? m_nodes.top() : 0, attributes, this); |
| Q_ASSERT(node); |
| if (!m_doc) { |
| Q_ASSERT(node->type() == QSvgNode::DOC); |
| m_doc = static_cast<QSvgTinyDocument*>(node); |
| } else { |
| switch (m_nodes.top()->type()) { |
| case QSvgNode::DOC: |
| case QSvgNode::G: |
| case QSvgNode::DEFS: |
| case QSvgNode::SWITCH: |
| { |
| QSvgStructureNode *group = |
| static_cast<QSvgStructureNode*>(m_nodes.top()); |
| group->addChild(node, someId(attributes)); |
| } |
| break; |
| default: |
| const QByteArray msg = QByteArrayLiteral("Could not add child element to parent element because the types are incorrect."); |
| qCWarning(lcSvgHandler, "%s", prefixMessage(msg, xml).constData()); |
| delete node; |
| node = 0; |
| break; |
| } |
| } |
| if (node) { |
| parseCoreNode(node, attributes); |
| #ifndef QT_NO_CSSPARSER |
| cssStyleLookup(node, this, m_selector); |
| #endif |
| parseStyle(node, attributes, this); |
| } |
| } else if (FactoryMethod method = findGraphicsFactory(localName)) { |
| //rendering element |
| Q_ASSERT(!m_nodes.isEmpty()); |
| node = method(m_nodes.top(), attributes, this); |
| if (node) { |
| switch (m_nodes.top()->type()) { |
| case QSvgNode::DOC: |
| case QSvgNode::G: |
| case QSvgNode::DEFS: |
| case QSvgNode::SWITCH: |
| { |
| if (node->type() == QSvgNode::TSPAN) { |
| const QByteArray msg = QByteArrayLiteral("\'tspan\' element in wrong context."); |
| qCWarning(lcSvgHandler, "%s", prefixMessage(msg, xml).constData()); |
| delete node; |
| node = 0; |
| break; |
| } |
| QSvgStructureNode *group = |
| static_cast<QSvgStructureNode*>(m_nodes.top()); |
| group->addChild(node, someId(attributes)); |
| } |
| break; |
| case QSvgNode::TEXT: |
| case QSvgNode::TEXTAREA: |
| if (node->type() == QSvgNode::TSPAN) { |
| static_cast<QSvgText *>(m_nodes.top())->addTspan(static_cast<QSvgTspan *>(node)); |
| } else { |
| const QByteArray msg = QByteArrayLiteral("\'text\' or \'textArea\' element contains invalid element type."); |
| qCWarning(lcSvgHandler, "%s", prefixMessage(msg, xml).constData()); |
| delete node; |
| node = 0; |
| } |
| break; |
| default: |
| const QByteArray msg = QByteArrayLiteral("Could not add child element to parent element because the types are incorrect."); |
| qCWarning(lcSvgHandler, "%s", prefixMessage(msg, xml).constData()); |
| delete node; |
| node = 0; |
| break; |
| } |
| |
| if (node) { |
| parseCoreNode(node, attributes); |
| #ifndef QT_NO_CSSPARSER |
| cssStyleLookup(node, this, m_selector); |
| #endif |
| parseStyle(node, attributes, this); |
| if (node->type() == QSvgNode::TEXT || node->type() == QSvgNode::TEXTAREA) { |
| static_cast<QSvgText *>(node)->setWhitespaceMode(m_whitespaceMode.top()); |
| } else if (node->type() == QSvgNode::TSPAN) { |
| static_cast<QSvgTspan *>(node)->setWhitespaceMode(m_whitespaceMode.top()); |
| } else if (node->type() == QSvgNode::USE) { |
| if (!static_cast<QSvgUse *>(node)->isResolved()) |
| m_resolveNodes.append(node); |
| } |
| } |
| } |
| } else if (ParseMethod method = findUtilFactory(localName)) { |
| Q_ASSERT(!m_nodes.isEmpty()); |
| if (!method(m_nodes.top(), attributes, this)) |
| qCWarning(lcSvgHandler, "%s", msgProblemParsing(localName, xml).constData()); |
| } else if (StyleFactoryMethod method = findStyleFactoryMethod(localName)) { |
| QSvgStyleProperty *prop = method(m_nodes.top(), attributes, this); |
| if (prop) { |
| m_style = prop; |
| m_nodes.top()->appendStyleProperty(prop, someId(attributes)); |
| } else { |
| const QByteArray msg = QByteArrayLiteral("Could not parse node: ") + localName.toLocal8Bit(); |
| qCWarning(lcSvgHandler, "%s", prefixMessage(msg, xml).constData()); |
| } |
| } else if (StyleParseMethod method = findStyleUtilFactoryMethod(localName)) { |
| if (m_style) { |
| if (!method(m_style, attributes, this)) |
| qCWarning(lcSvgHandler, "%s", msgProblemParsing(localName, xml).constData()); |
| } |
| } else { |
| //qCWarning(lcSvgHandler) <<"Skipping unknown element!"<<namespaceURI<<"::"<<localName; |
| m_skipNodes.push(Unknown); |
| return true; |
| } |
| |
| if (node) { |
| m_nodes.push(node); |
| m_skipNodes.push(Graphics); |
| } else { |
| //qDebug()<<"Skipping "<<localName; |
| m_skipNodes.push(Style); |
| } |
| return true; |
| } |
| |
| bool QSvgHandler::endElement(const QStringRef &localName) |
| { |
| CurrentNode node = m_skipNodes.top(); |
| m_skipNodes.pop(); |
| m_whitespaceMode.pop(); |
| |
| popColor(); |
| |
| if (node == Unknown) { |
| return true; |
| } |
| |
| #ifdef QT_NO_CSSPARSER |
| Q_UNUSED(localName) |
| #else |
| if (m_inStyle && localName == QLatin1String("style")) |
| m_inStyle = false; |
| #endif |
| |
| if (node == Graphics) |
| m_nodes.pop(); |
| else if (m_style && !m_skipNodes.isEmpty() && m_skipNodes.top() != Style) |
| m_style = 0; |
| |
| return true; |
| } |
| |
| void QSvgHandler::resolveGradients(QSvgNode *node) |
| { |
| if (!node || (node->type() != QSvgNode::DOC && node->type() != QSvgNode::G |
| && node->type() != QSvgNode::DEFS && node->type() != QSvgNode::SWITCH)) { |
| return; |
| } |
| QSvgStructureNode *structureNode = static_cast<QSvgStructureNode *>(node); |
| |
| QList<QSvgNode *> ren = structureNode->renderers(); |
| for (QList<QSvgNode *>::iterator it = ren.begin(); it != ren.end(); ++it) { |
| QSvgFillStyle *fill = static_cast<QSvgFillStyle *>((*it)->styleProperty(QSvgStyleProperty::FILL)); |
| if (fill && !fill->isGradientResolved()) { |
| QString id = fill->gradientId(); |
| QSvgFillStyleProperty *style = structureNode->styleProperty(id); |
| if (style) { |
| fill->setFillStyle(style); |
| } else { |
| qCWarning(lcSvgHandler, "%s", msgCouldNotResolveProperty(id, xml).constData()); |
| fill->setBrush(Qt::NoBrush); |
| } |
| } |
| |
| QSvgStrokeStyle *stroke = static_cast<QSvgStrokeStyle *>((*it)->styleProperty(QSvgStyleProperty::STROKE)); |
| if (stroke && !stroke->isGradientResolved()) { |
| QString id = stroke->gradientId(); |
| QSvgFillStyleProperty *style = structureNode->styleProperty(id); |
| if (style) { |
| stroke->setStyle(style); |
| } else { |
| qCWarning(lcSvgHandler, "%s", msgCouldNotResolveProperty(id, xml).constData()); |
| stroke->setStroke(Qt::NoBrush); |
| } |
| } |
| |
| resolveGradients(*it); |
| } |
| } |
| |
| void QSvgHandler::resolveNodes() |
| { |
| for (QSvgNode *node : qAsConst(m_resolveNodes)) { |
| if (!node || !node->parent() || node->type() != QSvgNode::USE) |
| continue; |
| QSvgUse *useNode = static_cast<QSvgUse *>(node); |
| if (useNode->isResolved()) |
| continue; |
| QSvgNode::Type t = useNode->parent()->type(); |
| if (!(t == QSvgNode::DOC || t == QSvgNode::DEFS || t == QSvgNode::G || t == QSvgNode::SWITCH)) |
| continue; |
| |
| QSvgStructureNode *group = static_cast<QSvgStructureNode *>(useNode->parent()); |
| QSvgNode *link = group->scopeNode(useNode->linkId()); |
| if (!link) { |
| qCWarning(lcSvgHandler, "link #%s is undefined!", qPrintable(useNode->linkId())); |
| continue; |
| } |
| |
| if (useNode->parent()->isDescendantOf(link)) |
| qCWarning(lcSvgHandler, "link #%s is recursive!", qPrintable(useNode->linkId())); |
| |
| useNode->setLink(link); |
| } |
| m_resolveNodes.clear(); |
| } |
| |
| bool QSvgHandler::characters(const QStringRef &str) |
| { |
| #ifndef QT_NO_CSSPARSER |
| if (m_inStyle) { |
| QString css = str.toString(); |
| QCss::StyleSheet sheet; |
| QCss::Parser(css).parse(&sheet); |
| m_selector->styleSheets.append(sheet); |
| return true; |
| } |
| #endif |
| if (m_skipNodes.isEmpty() || m_skipNodes.top() == Unknown || m_nodes.isEmpty()) |
| return true; |
| |
| if (m_nodes.top()->type() == QSvgNode::TEXT || m_nodes.top()->type() == QSvgNode::TEXTAREA) { |
| static_cast<QSvgText*>(m_nodes.top())->addText(str.toString()); |
| } else if (m_nodes.top()->type() == QSvgNode::TSPAN) { |
| static_cast<QSvgTspan*>(m_nodes.top())->addText(str.toString()); |
| } |
| |
| return true; |
| } |
| |
| QIODevice *QSvgHandler::device() const |
| { |
| return xml->device(); |
| } |
| |
| QSvgTinyDocument * QSvgHandler::document() const |
| { |
| return m_doc; |
| } |
| |
| QSvgHandler::LengthType QSvgHandler::defaultCoordinateSystem() const |
| { |
| return m_defaultCoords; |
| } |
| |
| void QSvgHandler::setDefaultCoordinateSystem(LengthType type) |
| { |
| m_defaultCoords = type; |
| } |
| |
| void QSvgHandler::pushColor(const QColor &color) |
| { |
| m_colorStack.push(color); |
| m_colorTagCount.push(1); |
| } |
| |
| void QSvgHandler::pushColorCopy() |
| { |
| if (m_colorTagCount.count()) |
| ++m_colorTagCount.top(); |
| else |
| pushColor(Qt::black); |
| } |
| |
| void QSvgHandler::popColor() |
| { |
| if (m_colorTagCount.count()) { |
| if (!--m_colorTagCount.top()) { |
| m_colorStack.pop(); |
| m_colorTagCount.pop(); |
| } |
| } |
| } |
| |
| QColor QSvgHandler::currentColor() const |
| { |
| if (!m_colorStack.isEmpty()) |
| return m_colorStack.top(); |
| else |
| return QColor(0, 0, 0); |
| } |
| |
| #ifndef QT_NO_CSSPARSER |
| |
| void QSvgHandler::setInStyle(bool b) |
| { |
| m_inStyle = b; |
| } |
| |
| bool QSvgHandler::inStyle() const |
| { |
| return m_inStyle; |
| } |
| |
| QSvgStyleSelector * QSvgHandler::selector() const |
| { |
| return m_selector; |
| } |
| |
| #endif // QT_NO_CSSPARSER |
| |
| bool QSvgHandler::processingInstruction(const QString &target, const QString &data) |
| { |
| #ifdef QT_NO_CSSPARSER |
| Q_UNUSED(target) |
| Q_UNUSED(data) |
| #else |
| if (target == QLatin1String("xml-stylesheet")) { |
| QRegularExpression rx(QLatin1String("type=\\\"(.+)\\\""), |
| QRegularExpression::InvertedGreedinessOption); |
| QRegularExpressionMatchIterator iter = rx.globalMatch(data); |
| bool isCss = false; |
| while (iter.hasNext()) { |
| QRegularExpressionMatch match = iter.next(); |
| QString type = match.captured(1); |
| if (type.toLower() == QLatin1String("text/css")) { |
| isCss = true; |
| } |
| } |
| |
| if (isCss) { |
| QRegularExpression rx(QLatin1String("href=\\\"(.+)\\\""), |
| QRegularExpression::InvertedGreedinessOption); |
| QRegularExpressionMatch match = rx.match(data); |
| QString addr = match.captured(1); |
| QFileInfo fi(addr); |
| //qDebug()<<"External CSS file "<<fi.absoluteFilePath()<<fi.exists(); |
| if (fi.exists()) { |
| QFile file(fi.absoluteFilePath()); |
| if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) { |
| return true; |
| } |
| QByteArray cssData = file.readAll(); |
| QString css = QString::fromUtf8(cssData); |
| |
| QCss::StyleSheet sheet; |
| QCss::Parser(css).parse(&sheet); |
| m_selector->styleSheets.append(sheet); |
| } |
| |
| } |
| } |
| #endif |
| |
| return true; |
| } |
| |
| void QSvgHandler::setAnimPeriod(int start, int end) |
| { |
| Q_UNUSED(start); |
| m_animEnd = qMax(end, m_animEnd); |
| } |
| |
| int QSvgHandler::animationDuration() const |
| { |
| return m_animEnd; |
| } |
| |
| QSvgHandler::~QSvgHandler() |
| { |
| #ifndef QT_NO_CSSPARSER |
| delete m_selector; |
| m_selector = 0; |
| #endif |
| |
| if(m_ownsReader) |
| delete xml; |
| } |
| |
| QT_END_NAMESPACE |