| /**************************************************************************** |
| ** |
| ** 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 "qsvgstructure_p.h" |
| |
| #include "qsvgnode_p.h" |
| #include "qsvgstyle_p.h" |
| #include "qsvgtinydocument_p.h" |
| |
| #include "qpainter.h" |
| #include "qlocale.h" |
| #include "qdebug.h" |
| |
| #include <qscopedvaluerollback.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| QSvgG::QSvgG(QSvgNode *parent) |
| : QSvgStructureNode(parent) |
| { |
| |
| } |
| |
| QSvgStructureNode::~QSvgStructureNode() |
| { |
| qDeleteAll(m_renderers); |
| } |
| |
| void QSvgG::draw(QPainter *p, QSvgExtraStates &states) |
| { |
| QList<QSvgNode*>::iterator itr = m_renderers.begin(); |
| applyStyle(p, states); |
| |
| while (itr != m_renderers.end()) { |
| QSvgNode *node = *itr; |
| if ((node->isVisible()) && (node->displayMode() != QSvgNode::NoneMode)) |
| node->draw(p, states); |
| ++itr; |
| } |
| revertStyle(p, states); |
| } |
| |
| QSvgNode::Type QSvgG::type() const |
| { |
| return G; |
| } |
| |
| QSvgStructureNode::QSvgStructureNode(QSvgNode *parent) |
| :QSvgNode(parent) |
| { |
| |
| } |
| |
| QSvgNode * QSvgStructureNode::scopeNode(const QString &id) const |
| { |
| QSvgTinyDocument *doc = document(); |
| return doc ? doc->namedNode(id) : 0; |
| } |
| |
| void QSvgStructureNode::addChild(QSvgNode *child, const QString &id) |
| { |
| m_renderers.append(child); |
| |
| if (id.isEmpty()) |
| return; //we can't add it to scope without id |
| |
| QSvgTinyDocument *doc = document(); |
| if (doc) |
| doc->addNamedNode(id, child); |
| } |
| |
| QSvgDefs::QSvgDefs(QSvgNode *parent) |
| : QSvgStructureNode(parent) |
| { |
| } |
| |
| void QSvgDefs::draw(QPainter *, QSvgExtraStates &) |
| { |
| //noop |
| } |
| |
| QSvgNode::Type QSvgDefs::type() const |
| { |
| return DEFS; |
| } |
| |
| /* |
| Below is a lookup function based on the gperf output using the following set: |
| |
| http://www.w3.org/Graphics/SVG/feature/1.2/#SVG |
| http://www.w3.org/Graphics/SVG/feature/1.2/#SVG-static |
| http://www.w3.org/Graphics/SVG/feature/1.2/#CoreAttribute |
| http://www.w3.org/Graphics/SVG/feature/1.2/#Structure |
| http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessing |
| http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessingAttribute |
| http://www.w3.org/Graphics/SVG/feature/1.2/#Image |
| http://www.w3.org/Graphics/SVG/feature/1.2/#Prefetch |
| http://www.w3.org/Graphics/SVG/feature/1.2/#Shape |
| http://www.w3.org/Graphics/SVG/feature/1.2/#Text |
| http://www.w3.org/Graphics/SVG/feature/1.2/#PaintAttribute |
| http://www.w3.org/Graphics/SVG/feature/1.2/#OpacityAttribute |
| http://www.w3.org/Graphics/SVG/feature/1.2/#GraphicsAttribute |
| http://www.w3.org/Graphics/SVG/feature/1.2/#Gradient |
| http://www.w3.org/Graphics/SVG/feature/1.2/#SolidColor |
| http://www.w3.org/Graphics/SVG/feature/1.2/#XlinkAttribute |
| http://www.w3.org/Graphics/SVG/feature/1.2/#ExternalResourcesRequiredAttribute |
| http://www.w3.org/Graphics/SVG/feature/1.2/#Font |
| http://www.w3.org/Graphics/SVG/feature/1.2/#Hyperlinking |
| http://www.w3.org/Graphics/SVG/feature/1.2/#Extensibility |
| */ |
| |
| // ----- begin of generated code ----- |
| |
| /* C code produced by gperf version 3.0.2 */ |
| /* Command-line: gperf -c -L c svg */ |
| /* Computed positions: -k'45-46' */ |
| |
| #if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \ |
| && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \ |
| && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \ |
| && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \ |
| && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \ |
| && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \ |
| && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \ |
| && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \ |
| && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \ |
| && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \ |
| && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \ |
| && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \ |
| && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \ |
| && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \ |
| && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \ |
| && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \ |
| && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \ |
| && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \ |
| && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \ |
| && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \ |
| && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \ |
| && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \ |
| && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126)) |
| /* The character set is not based on ISO-646. */ |
| #error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>." |
| #endif |
| |
| enum { |
| TOTAL_KEYWORDS = 20, |
| MIN_WORD_LENGTH = 47, |
| MAX_WORD_LENGTH = 78, |
| MIN_HASH_VALUE = 48, |
| MAX_HASH_VALUE = 88 |
| }; |
| /* maximum key range = 41, duplicates = 0 */ |
| |
| inline static bool isSupportedSvgFeature(const QString &str) |
| { |
| static const unsigned char asso_values[] = { |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 0, 89, 5, |
| 15, 5, 0, 10, 89, 89, 89, 89, 89, 0, |
| 15, 89, 89, 0, 0, 89, 5, 89, 0, 89, |
| 89, 89, 89, 89, 89, 89, 89, 0, 89, 89, |
| 89, 0, 89, 89, 0, 89, 89, 89, 0, 5, |
| 89, 0, 0, 89, 5, 89, 0, 89, 89, 89, |
| 5, 0, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
| 89, 89, 89, 89, 89, 89 |
| }; |
| |
| static const char * wordlist[] = { |
| "", "", "", "", "", "", "", "", "", |
| "", "", "", "", "", "", "", "", "", |
| "", "", "", "", "", "", "", "", "", |
| "", "", "", "", "", "", "", "", "", |
| "", "", "", "", "", "", "", "", "", |
| "", "", "", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#Text", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#Shape", |
| "", "", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#SVG", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#Structure", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#SolidColor", |
| "", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#Hyperlinking", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#CoreAttribute", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#XlinkAttribute", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#SVG-static", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#OpacityAttribute", |
| "", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#Gradient", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#Font", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#Image", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessing", |
| "", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#Extensibility", |
| "", "", "", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#GraphicsAttribute", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#Prefetch", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#PaintAttribute", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessingAttribute", |
| "", "", "", "", "", "", "", "", "", |
| "", "", "", "", |
| "http://www.w3.org/Graphics/SVG/feature/1.2/#ExternalResourcesRequiredAttribute" |
| }; |
| |
| if (str.length() <= MAX_WORD_LENGTH && str.length() >= MIN_WORD_LENGTH) { |
| const int key = str.length() |
| + asso_values[str.at(45).unicode()] |
| + asso_values[str.at(44).unicode()]; |
| if (key <= MAX_HASH_VALUE && key >= 0) |
| return str == QLatin1String(wordlist[key]); |
| } |
| return false; |
| } |
| |
| // ----- end of generated code ----- |
| |
| static inline bool isSupportedSvgExtension(const QString &) |
| { |
| return false; |
| } |
| |
| |
| QSvgSwitch::QSvgSwitch(QSvgNode *parent) |
| : QSvgStructureNode(parent) |
| { |
| init(); |
| } |
| |
| void QSvgSwitch::draw(QPainter *p, QSvgExtraStates &states) |
| { |
| QList<QSvgNode*>::iterator itr = m_renderers.begin(); |
| applyStyle(p, states); |
| |
| while (itr != m_renderers.end()) { |
| QSvgNode *node = *itr; |
| if (node->isVisible() && (node->displayMode() != QSvgNode::NoneMode)) { |
| const QStringList &features = node->requiredFeatures(); |
| const QStringList &extensions = node->requiredExtensions(); |
| const QStringList &languages = node->requiredLanguages(); |
| const QStringList &formats = node->requiredFormats(); |
| const QStringList &fonts = node->requiredFonts(); |
| |
| bool okToRender = true; |
| if (!features.isEmpty()) { |
| QStringList::const_iterator sitr = features.constBegin(); |
| for (; sitr != features.constEnd(); ++sitr) { |
| if (!isSupportedSvgFeature(*sitr)) { |
| okToRender = false; |
| break; |
| } |
| } |
| } |
| |
| if (okToRender && !extensions.isEmpty()) { |
| QStringList::const_iterator sitr = extensions.constBegin(); |
| for (; sitr != extensions.constEnd(); ++sitr) { |
| if (!isSupportedSvgExtension(*sitr)) { |
| okToRender = false; |
| break; |
| } |
| } |
| } |
| |
| if (okToRender && !languages.isEmpty()) { |
| QStringList::const_iterator sitr = languages.constBegin(); |
| okToRender = false; |
| for (; sitr != languages.constEnd(); ++sitr) { |
| if ((*sitr).startsWith(m_systemLanguagePrefix)) { |
| okToRender = true; |
| break; |
| } |
| } |
| } |
| |
| if (okToRender && !formats.isEmpty()) { |
| okToRender = false; |
| } |
| |
| if (okToRender && !fonts.isEmpty()) { |
| okToRender = false; |
| } |
| |
| if (okToRender) { |
| node->draw(p, states); |
| break; |
| } |
| } |
| ++itr; |
| } |
| revertStyle(p, states); |
| } |
| |
| QSvgNode::Type QSvgSwitch::type() const |
| { |
| return SWITCH; |
| } |
| |
| void QSvgSwitch::init() |
| { |
| QLocale locale; |
| m_systemLanguage = locale.name().replace(QLatin1Char('_'), QLatin1Char('-')); |
| int idx = m_systemLanguage.indexOf(QLatin1Char('-')); |
| m_systemLanguagePrefix = m_systemLanguage.mid(0, idx); |
| } |
| |
| QRectF QSvgStructureNode::bounds(QPainter *p, QSvgExtraStates &states) const |
| { |
| QRectF bounds; |
| if (!m_recursing) { |
| QScopedValueRollback<bool> guard(m_recursing, true); |
| for (QSvgNode *node : qAsConst(m_renderers)) |
| bounds |= node->transformedBounds(p, states); |
| } |
| return bounds; |
| } |
| |
| QSvgNode * QSvgStructureNode::previousSiblingNode(QSvgNode *n) const |
| { |
| QSvgNode *prev = 0; |
| QList<QSvgNode*>::const_iterator itr = m_renderers.constBegin(); |
| for (; itr != m_renderers.constEnd(); ++itr) { |
| QSvgNode *node = *itr; |
| if (node == n) |
| return prev; |
| prev = node; |
| } |
| return prev; |
| } |
| |
| QT_END_NAMESPACE |
