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| ** This file is part of the QtGui module of the Qt Toolkit. |
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| ** Alternatively, this file may be used under the terms of the GNU |
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| |
| #include "qtexturefiledata_p.h" |
| #include <QMetaEnum> |
| #include <QSize> |
| #if QT_CONFIG(opengl) |
| #include <QOpenGLTexture> |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| Q_LOGGING_CATEGORY(lcQtGuiTextureIO, "qt.gui.textureio"); |
| |
| class QTextureFileDataPrivate : public QSharedData |
| { |
| public: |
| QTextureFileDataPrivate() |
| { |
| } |
| |
| QTextureFileDataPrivate(const QTextureFileDataPrivate &other) |
| : QSharedData(other), |
| logName(other.logName), |
| data(other.data), |
| offsets(other.offsets), |
| lengths(other.lengths), |
| size(other.size), |
| format(other.format) |
| { |
| } |
| |
| ~QTextureFileDataPrivate() |
| { |
| } |
| |
| void ensureLevels(int num, bool force = false) |
| { |
| const int newSize = force ? num : qMax(offsets.size(), num); |
| offsets.resize(newSize); |
| lengths.resize(newSize); |
| } |
| |
| QByteArray logName; |
| QByteArray data; |
| QVector<int> offsets; |
| QVector<int> lengths; |
| QSize size; |
| quint32 format = 0; |
| quint32 internalFormat = 0; |
| quint32 baseInternalFormat = 0; |
| }; |
| |
| |
| |
| QTextureFileData::QTextureFileData() |
| { |
| } |
| |
| QTextureFileData::QTextureFileData(const QTextureFileData &other) |
| : d(other.d) |
| { |
| } |
| |
| QTextureFileData &QTextureFileData::operator=(const QTextureFileData &other) |
| { |
| d = other.d; |
| return *this; |
| } |
| |
| QTextureFileData::~QTextureFileData() |
| { |
| } |
| |
| bool QTextureFileData::isNull() const |
| { |
| return !d; |
| } |
| |
| bool QTextureFileData::isValid() const |
| { |
| if (!d) |
| return false; |
| |
| if (d->data.isEmpty() || d->size.isEmpty() || (!d->format && !d->internalFormat)) |
| return false; |
| |
| const int numChunks = d->offsets.size(); |
| if (numChunks == 0 || (d->lengths.size() != numChunks)) |
| return false; |
| |
| const qint64 sz = d->data.size(); |
| for (int i = 0; i < numChunks; i++) { |
| qint64 offi = d->offsets.at(i); |
| qint64 leni = d->lengths.at(i); |
| if (offi < 0 || offi >= sz || leni <= 0 || (offi + leni > sz)) |
| return false; |
| } |
| return true; |
| } |
| |
| void QTextureFileData::clear() |
| { |
| d = nullptr; |
| } |
| |
| QByteArray QTextureFileData::data() const |
| { |
| return d ? d->data : QByteArray(); |
| } |
| |
| void QTextureFileData::setData(const QByteArray &data) |
| { |
| if (!d.constData()) //### uh think about this design, this is the only way to create; should be constructor instead at least |
| d = new QTextureFileDataPrivate; |
| |
| d->data = data; |
| } |
| |
| int QTextureFileData::dataOffset(int level) const |
| { |
| return (d && d->offsets.size() > level) ? d->offsets.at(level) : 0; |
| } |
| |
| void QTextureFileData::setDataOffset(int offset, int level) |
| { |
| if (d.constData() && level >= 0) { |
| d->ensureLevels(level + 1); |
| d->offsets[level] = offset; |
| } |
| } |
| |
| int QTextureFileData::dataLength(int level) const |
| { |
| return (d && d->lengths.size() > level) ? d->lengths.at(level) : 0; |
| } |
| |
| void QTextureFileData::setDataLength(int length, int level) |
| { |
| if (d.constData() && level >= 0) { |
| d->ensureLevels(level + 1); |
| d->lengths[level] = length; |
| } |
| } |
| |
| int QTextureFileData::numLevels() const |
| { |
| return d ? d->offsets.size() : 0; |
| } |
| |
| void QTextureFileData::setNumLevels(int num) |
| { |
| if (d && num >= 0) |
| d->ensureLevels(num, true); |
| } |
| |
| QSize QTextureFileData::size() const |
| { |
| return d ? d->size : QSize(); |
| } |
| |
| void QTextureFileData::setSize(const QSize &size) |
| { |
| if (d.constData()) |
| d->size = size; |
| } |
| |
| quint32 QTextureFileData::glFormat() const |
| { |
| return d ? d->format : 0; |
| } |
| |
| void QTextureFileData::setGLFormat(quint32 format) |
| { |
| if (d.constData()) |
| d->format = format; |
| } |
| |
| quint32 QTextureFileData::glInternalFormat() const |
| { |
| return d ? d->internalFormat : 0; |
| } |
| |
| void QTextureFileData::setGLInternalFormat(quint32 format) |
| { |
| if (d.constData()) |
| d->internalFormat = format; |
| } |
| |
| quint32 QTextureFileData::glBaseInternalFormat() const |
| { |
| return d ? d->baseInternalFormat : 0; |
| } |
| |
| void QTextureFileData::setGLBaseInternalFormat(quint32 format) |
| { |
| if (d.constData()) |
| d->baseInternalFormat = format; |
| } |
| |
| QByteArray QTextureFileData::logName() const |
| { |
| return d ? d->logName : QByteArray(); |
| } |
| |
| void QTextureFileData::setLogName(const QByteArray &name) |
| { |
| if (d.constData()) |
| d->logName = name; |
| } |
| |
| static QByteArray glFormatName(quint32 fmt) |
| { |
| const char *id = 0; |
| #if QT_CONFIG(opengl) |
| id = QMetaEnum::fromType<QOpenGLTexture::TextureFormat>().valueToKey(fmt); |
| #endif |
| QByteArray res(id ? id : "(?)"); |
| res += " [0x" + QByteArray::number(fmt, 16).rightJustified(4, '0') + ']'; |
| return res; |
| } |
| |
| QDebug operator<<(QDebug dbg, const QTextureFileData &d) |
| { |
| QDebugStateSaver saver(dbg); |
| |
| dbg.nospace() << "QTextureFileData("; |
| if (!d.isNull()) { |
| dbg.space() << d.logName() << d.size(); |
| dbg << "glFormat:" << glFormatName(d.glFormat()); |
| dbg << "glInternalFormat:" << glFormatName(d.glInternalFormat()); |
| dbg << "glBaseInternalFormat:" << glFormatName(d.glBaseInternalFormat()); |
| dbg.nospace() << "Levels: " << d.numLevels(); |
| if (!d.isValid()) |
| dbg << " {Invalid}"; |
| dbg << ")"; |
| } else { |
| dbg << "null)"; |
| } |
| |
| return dbg; |
| } |
| |
| QT_END_NAMESPACE |