diff options
Diffstat (limited to 'src/gui/image')
32 files changed, 573 insertions, 284 deletions
diff --git a/src/gui/image/qbitmap.cpp b/src/gui/image/qbitmap.cpp index e081735b69..4b8d4b889d 100644 --- a/src/gui/image/qbitmap.cpp +++ b/src/gui/image/qbitmap.cpp @@ -86,7 +86,7 @@ QT_BEGIN_NAMESPACE object. Just like the QPixmap class, QBitmap is optimized by the use of - implicit data sharing. For more information, see the {Implicit + implicit data sharing. For more information, see the \l {Implicit Data Sharing} documentation. \sa QPixmap, QImage, QImageReader, QImageWriter diff --git a/src/gui/image/qbmphandler.cpp b/src/gui/image/qbmphandler.cpp index 4b6fcba384..f3eb7c3fca 100644 --- a/src/gui/image/qbmphandler.cpp +++ b/src/gui/image/qbmphandler.cpp @@ -52,9 +52,9 @@ QT_BEGIN_NAMESPACE static void swapPixel01(QImage *image) // 1-bpp: swap 0 and 1 pixels { int i; - if (image->depth() == 1 && image->numColors() == 2) { + if (image->depth() == 1 && image->colorCount() == 2) { register uint *p = (uint *)image->bits(); - int nbytes = image->numBytes(); + int nbytes = image->byteCount(); for (i=0; i<nbytes/4; i++) { *p = ~*p; p++; @@ -246,7 +246,7 @@ static bool read_dib_body(QDataStream &s, const BMP_INFOHDR &bi, int offset, int if (depth != 32) { ncols = bi.biClrUsed ? bi.biClrUsed : 1 << nbits; - image.setNumColors(ncols); + image.setColorCount(ncols); } image.setDotsPerMeterX(bi.biXPelsPerMeter); @@ -526,7 +526,7 @@ bool qt_write_dib(QDataStream &s, QImage image) if (!d->isWritable()) return false; - if (image.depth() == 8 && image.numColors() <= 16) { + if (image.depth() == 8 && image.colorCount() <= 16) { bpl_bmp = (((bpl+1)/2+3)/4)*4; nbits = 4; } else if (image.depth() == 32) { @@ -554,23 +554,23 @@ bool qt_write_dib(QDataStream &s, QImage image) bi.biXPelsPerMeter = image.dotsPerMeterX() ? image.dotsPerMeterX() : 2834; // 72 dpi default bi.biYPelsPerMeter = image.dotsPerMeterY() ? image.dotsPerMeterY() : 2834; - bi.biClrUsed = image.numColors(); - bi.biClrImportant = image.numColors(); + bi.biClrUsed = image.colorCount(); + bi.biClrImportant = image.colorCount(); s << bi; // write info header if (s.status() != QDataStream::Ok) return false; if (image.depth() != 32) { // write color table - uchar *color_table = new uchar[4*image.numColors()]; + uchar *color_table = new uchar[4*image.colorCount()]; uchar *rgb = color_table; QVector<QRgb> c = image.colorTable(); - for (int i=0; i<image.numColors(); i++) { + for (int i=0; i<image.colorCount(); i++) { *rgb++ = qBlue (c[i]); *rgb++ = qGreen(c[i]); *rgb++ = qRed (c[i]); *rgb++ = 0; } - if (d->write((char *)color_table, 4*image.numColors()) == -1) { + if (d->write((char *)color_table, 4*image.colorCount()) == -1) { delete [] color_table; return false; } @@ -754,7 +754,7 @@ bool QBmpHandler::write(const QImage &img) int bpl = image.bytesPerLine(); // Code partially repeated in qt_write_dib - if (image.depth() == 8 && image.numColors() <= 16) { + if (image.depth() == 8 && image.colorCount() <= 16) { bpl_bmp = (((bpl+1)/2+3)/4)*4; } else if (image.depth() == 32) { bpl_bmp = ((image.width()*24+31)/32)*4; @@ -771,7 +771,7 @@ bool QBmpHandler::write(const QImage &img) // write file header bf.bfReserved1 = 0; bf.bfReserved2 = 0; - bf.bfOffBits = BMP_FILEHDR_SIZE + BMP_WIN + image.numColors() * 4; + bf.bfOffBits = BMP_FILEHDR_SIZE + BMP_WIN + image.colorCount() * 4; bf.bfSize = bf.bfOffBits + bpl_bmp*image.height(); s << bf; diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp index e0779a0f65..cff9cd207a 100644 --- a/src/gui/image/qicon.cpp +++ b/src/gui/image/qicon.cpp @@ -66,6 +66,7 @@ #include "private/qkde_p.h" #endif +#ifndef QT_NO_ICON QT_BEGIN_NAMESPACE /*! @@ -1217,3 +1218,4 @@ QSize QIcon::pixmapSize(Size which) */ QT_END_NAMESPACE +#endif //QT_NO_ICON diff --git a/src/gui/image/qicon_p.h b/src/gui/image/qicon_p.h index fc96a65cde..43a59a6c5c 100644 --- a/src/gui/image/qicon_p.h +++ b/src/gui/image/qicon_p.h @@ -60,6 +60,7 @@ #include <QtGui/qicon.h> #include <QtGui/qiconengine.h> +#ifndef QT_NO_ICON QT_BEGIN_NAMESPACE class QIconPrivate @@ -134,5 +135,5 @@ private: }; QT_END_NAMESPACE - +#endif //QT_NO_ICON #endif // QICON_P_H diff --git a/src/gui/image/qiconloader.cpp b/src/gui/image/qiconloader.cpp index 5412e11ce1..15af7a2e4b 100644 --- a/src/gui/image/qiconloader.cpp +++ b/src/gui/image/qiconloader.cpp @@ -38,7 +38,7 @@ ** $QT_END_LICENSE$ ** ****************************************************************************/ - +#ifndef QT_NO_ICON #include <private/qiconloader_p.h> #include <private/qapplication_p.h> @@ -61,7 +61,6 @@ #ifdef Q_WS_X11 #include <private/qt_x11_p.h> -#include <private/gtksymbols_p.h> #endif QT_BEGIN_NAMESPACE @@ -78,6 +77,8 @@ static QString fallbackTheme() return X11->desktopVersion >= 4 ? QString::fromLatin1("oxygen") : QString::fromLatin1("crystalsvg"); + } else { + return QLatin1String("hicolor"); } #endif return QString(); @@ -87,12 +88,16 @@ QIconLoader::QIconLoader() : m_themeKey(1), m_supportsSvg(false) { m_systemTheme = qt_guiPlatformPlugin()->systemIconThemeName(); + if (m_systemTheme.isEmpty()) + m_systemTheme = fallbackTheme(); +#ifndef QT_NO_LIBRARY QFactoryLoader iconFactoryLoader(QIconEngineFactoryInterfaceV2_iid, QLatin1String("/iconengines"), Qt::CaseInsensitive); if (iconFactoryLoader.keys().contains(QLatin1String("svg"))) m_supportsSvg = true; +#endif //QT_NO_LIBRARY } QIconLoader *QIconLoader::instance() @@ -107,6 +112,8 @@ void QIconLoader::updateSystemTheme() // Only change if this is not explicitly set by the user if (m_userTheme.isEmpty()) { QString theme = qt_guiPlatformPlugin()->systemIconThemeName(); + if (theme.isEmpty()) + theme = fallbackTheme(); if (theme != m_systemTheme) { m_systemTheme = theme; invalidateKey(); @@ -154,7 +161,7 @@ QIconTheme::QIconTheme(const QString &themeName) break; } } - +#ifndef QT_NO_SETTINGS if (themeIndex.exists()) { const QSettings indexReader(themeIndex.fileName(), QSettings::IniFormat); QStringListIterator keyIterator(indexReader.allKeys()); @@ -207,6 +214,7 @@ QIconTheme::QIconTheme(const QString &themeName) if (!m_parents.contains(QLatin1String("hicolor"))) m_parents.append(QLatin1String("hicolor")); } +#endif //QT_NO_SETTINGS } QThemeIconEntries QIconLoader::findIconHelper(const QString &themeName, @@ -540,3 +548,5 @@ void QIconLoaderEngine::virtual_hook(int id, void *data) } QT_END_NAMESPACE + +#endif //QT_NO_ICON diff --git a/src/gui/image/qiconloader_p.h b/src/gui/image/qiconloader_p.h index b152d46071..2a330d33ce 100644 --- a/src/gui/image/qiconloader_p.h +++ b/src/gui/image/qiconloader_p.h @@ -42,6 +42,7 @@ #ifndef QDESKTOPICON_P_H #define QDESKTOPICON_P_H +#ifndef QT_NO_ICON // // W A R N I N G // ------------- @@ -185,3 +186,5 @@ private: QT_END_NAMESPACE #endif // QDESKTOPICON_P_H + +#endif //QT_NO_ICON diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp index 9048387c32..ec8dd88c98 100644 --- a/src/gui/image/qimage.cpp +++ b/src/gui/image/qimage.cpp @@ -377,6 +377,9 @@ bool QImageData::checkForAlphaPixels() const \note If you would like to load QImage objects in a static build of Qt, refer to the \l{How To Create Qt Plugins#Static Plugins}{Plugin HowTo}. + \warning Painting on a QImage with the format + QImage::Format_Indexed8 is not supported. + \tableofcontents \section1 Reading and Writing Image Files @@ -446,7 +449,7 @@ bool QImageData::checkForAlphaPixels() const to the pixel() function. The pixel() function returns the color as a QRgb value indepedent of the image's format. - In case of monochrome and 8-bit images, the numColors() and + In case of monochrome and 8-bit images, the colorCount() and colorTable() functions provide information about the color components used to store the image data: The colorTable() function returns the image's entire color table. To obtain a single entry, @@ -481,7 +484,7 @@ bool QImageData::checkForAlphaPixels() const depths are 1 (monochrome), 8 and 32 (for more information see the \l {QImage#Image Formats}{Image Formats} section). - The format(), bytesPerLine(), and numBytes() functions provide + The format(), bytesPerLine(), and byteCount() functions provide low-level information about the data stored in the image. The cacheKey() function returns a number that uniquely @@ -543,11 +546,7 @@ bool QImageData::checkForAlphaPixels() const Each pixel stored in a QImage is represented by an integer. The size of the integer varies depending on the format. QImage supports several image formats described by the \l Format - enum. The monochrome (1-bit), 8-bit and 32-bit images are - available in all versions of Qt. In addition Qt for Embedded Linux - also supports 2-bit, 4-bit, and 16-bit images. For more information - about the Qt Extended specific formats, see the documentation of the \l - Format enum. + enum. Monochrome images are stored using 1-bit indexes into a color table with at most two colors. There are two different types of @@ -624,7 +623,7 @@ bool QImageData::checkForAlphaPixels() const \o Sets the color table used to translate color indexes. Only monochrome and 8-bit formats. \row - \o setNumColors() + \o setColorCount() \o Resizes the color table. Only monochrome and 8-bit formats. \endtable @@ -704,9 +703,20 @@ bool QImageData::checkForAlphaPixels() const packed with the most significant bit (MSB) first. \value Format_MonoLSB The image is stored using 1-bit per pixel. Bytes are packed with the less significant bit (LSB) first. - \value Format_Indexed8 The image is stored using 8-bit indexes into a colormap. + + \value Format_Indexed8 The image is stored using 8-bit indexes + into a colormap. \warning Drawing into a + QImage with Indexed8 format is not + supported. + \value Format_RGB32 The image is stored using a 32-bit RGB format (0xffRRGGBB). - \value Format_ARGB32 The image is stored using a 32-bit ARGB format (0xAARRGGBB). + + \value Format_ARGB32 The image is stored using a 32-bit ARGB + format (0xAARRGGBB). \warning Do not + render into ARGB32 images using + QPainter. Format_ARGB32_Premultiplied is + significantly faster. + \value Format_ARGB32_Premultiplied The image is stored using a premultiplied 32-bit ARGB format (0xAARRGGBB), i.e. the red, green, and blue channels are multiplied @@ -715,7 +725,9 @@ bool QImageData::checkForAlphaPixels() const undefined.) Certain operations (such as image composition using alpha blending) are faster using premultiplied ARGB32 than with plain ARGB32. + \value Format_RGB16 The image is stored using a 16-bit RGB format (5-6-5). + \value Format_ARGB8565_Premultiplied The image is stored using a premultiplied 24-bit ARGB format (8-5-6-5). \value Format_RGB666 The image is stored using a 24-bit RGB format (6-6-6). @@ -894,7 +906,7 @@ QImageData *QImageData::create(uchar *data, int width, int height, int bpl, QIm If \a format is an indexed color format, the image color table is initially empty and must be sufficiently expanded with - setNumColors() or setColorTable() before the image is used. + setColorCount() or setColorTable() before the image is used. */ QImage::QImage(uchar* data, int width, int height, Format format) : QPaintDevice() @@ -916,7 +928,7 @@ QImage::QImage(uchar* data, int width, int height, Format format) If \a format is an indexed color format, the image color table is initially empty and must be sufficiently expanded with - setNumColors() or setColorTable() before the image is used. + setColorCount() or setColorTable() before the image is used. Unlike the similar QImage constructor that takes a non-const data buffer, this version will never alter the contents of the buffer. For example, @@ -942,7 +954,7 @@ QImage::QImage(const uchar* data, int width, int height, Format format) If \a format is an indexed color format, the image color table is initially empty and must be sufficiently expanded with - setNumColors() or setColorTable() before the image is used. + setColorCount() or setColorTable() before the image is used. */ QImage::QImage(uchar *data, int width, int height, int bytesPerLine, Format format) :QPaintDevice() @@ -962,7 +974,7 @@ QImage::QImage(uchar *data, int width, int height, int bytesPerLine, Format form If \a format is an indexed color format, the image color table is initially empty and must be sufficiently expanded with - setNumColors() or setColorTable() before the image is used. + setColorCount() or setColorTable() before the image is used. Unlike the similar QImage constructor that takes a non-const data buffer, this version will never alter the contents of the buffer. For example, @@ -1114,7 +1126,7 @@ QImage::QImage(const QImage &image) Use the constructor that accepts a width, a height and a format (i.e. specifying the depth and bit order), in combination with the - setNumColors() function, instead. + setColorCount() function, instead. \oldcode QImage image(width, height, depth, numColors); @@ -1123,15 +1135,15 @@ QImage::QImage(const QImage &image) // For 8 bit images the default number of colors is 256. If // another number of colors is required it can be specified - // using the setNumColors() function. - image.setNumColors(numColors); + // using the setColorCount() function. + image.setColorCount(numColors); \endcode */ -QImage::QImage(int w, int h, int depth, int numColors, Endian bitOrder) +QImage::QImage(int w, int h, int depth, int colorCount, Endian bitOrder) : QPaintDevice() { - d = QImageData::create(QSize(w, h), formatFor(depth, bitOrder), numColors); + d = QImageData::create(QSize(w, h), formatFor(depth, bitOrder), colorCount); } /*! @@ -1140,7 +1152,7 @@ QImage::QImage(int w, int h, int depth, int numColors, Endian bitOrder) Use the constructor that accepts a size and a format (i.e. specifying the depth and bit order), in combination with the - setNumColors() function, instead. + setColorCount() function, instead. \oldcode QSize mySize(width, height); @@ -1151,8 +1163,8 @@ QImage::QImage(int w, int h, int depth, int numColors, Endian bitOrder) // For 8 bit images the default number of colors is 256. If // another number of colors is required it can be specified - // using the setNumColors() function. - image.setNumColors(numColors); + // using the setColorCount() function. + image.setColorCount(numColors); \endcode */ QImage::QImage(const QSize& size, int depth, int numColors, Endian bitOrder) @@ -1220,7 +1232,7 @@ QImage::QImage(uchar* data, int w, int h, int depth, const QRgb* colortable, int for (int i = 0; i < numColors; ++i) d->colortable[i] = colortable[i]; } else if (numColors) { - setNumColors(numColors); + setColorCount(numColors); } } @@ -1271,7 +1283,7 @@ QImage::QImage(uchar* data, int w, int h, int depth, int bpl, const QRgb* colort for (int i = 0; i < numColors; ++i) d->colortable[i] = colortable[i]; } else if (numColors) { - setNumColors(numColors); + setColorCount(numColors); } } #endif // Q_WS_QWS @@ -1580,17 +1592,31 @@ int QImage::depth() const } /*! + \obsolete \fn int QImage::numColors() const Returns the size of the color table for the image. - Notice that numColors() returns 0 for 32-bpp images because these + \sa setColorCount() +*/ +int QImage::numColors() const +{ + return d ? d->colortable.size() : 0; +} + +/*! + \since 4.6 + \fn int QImage::colorCount() const + + Returns the size of the color table for the image. + + Notice that colorCount() returns 0 for 32-bpp images because these images do not use color tables, but instead encode pixel values as ARGB quadruplets. - \sa setNumColors(), {QImage#Image Information}{Image Information} + \sa setColorCount(), {QImage#Image Information}{Image Information} */ -int QImage::numColors() const +int QImage::colorCount() const { return d ? d->colortable.size() : 0; } @@ -1699,7 +1725,7 @@ void QImage::setColorTable(const QVector<QRgb> colors) Returns a list of the colors contained in the image's color table, or an empty list if the image does not have a color table - \sa setColorTable(), numColors(), color() + \sa setColorTable(), colorCount(), color() */ QVector<QRgb> QImage::colorTable() const { @@ -1708,12 +1734,24 @@ QVector<QRgb> QImage::colorTable() const /*! + \obsolete + Returns the number of bytes occupied by the image data. + + \sa byteCount() +*/ +int QImage::numBytes() const +{ + return d ? d->nbytes : 0; +} + +/*! + \since 4.6 Returns the number of bytes occupied by the image data. \sa bytesPerLine(), bits(), {QImage#Image Information}{Image Information} */ -int QImage::numBytes() const +int QImage::byteCount() const { return d ? d->nbytes : 0; } @@ -1721,7 +1759,7 @@ int QImage::numBytes() const /*! Returns the number of bytes per image scanline. - This is equivalent to numBytes()/ height(). + This is equivalent to byteCount() / height(). \sa scanLine() */ @@ -1744,7 +1782,7 @@ int QImage::bytesPerLine() const */ QRgb QImage::color(int i) const { - Q_ASSERT(i < numColors()); + Q_ASSERT(i < colorCount()); return d ? d->colortable.at(i) : QRgb(uint(-1)); } @@ -1755,9 +1793,9 @@ QRgb QImage::color(int i) const given to \a colorValue. The color value is an ARGB quadruplet. If \a index is outside the current size of the color table, it is - expanded with setNumColors(). + expanded with setColorCount(). - \sa color(), numColors(), setColorTable(), {QImage#Pixel Manipulation}{Pixel + \sa color(), colorCount(), setColorTable(), {QImage#Pixel Manipulation}{Pixel Manipulation} */ void QImage::setColor(int i, QRgb c) @@ -1775,7 +1813,7 @@ void QImage::setColor(int i, QRgb c) return; if (i >= d->colortable.size()) - setNumColors(i+1); + setColorCount(i+1); d->colortable[i] = c; d->has_alpha_clut |= (qAlpha(c) != 255); } @@ -1832,7 +1870,7 @@ const uchar *QImage::scanLine(int i) const data, thus ensuring that this QImage is the only one using the current return value. - \sa scanLine(), numBytes() + \sa scanLine(), byteCount() */ uchar *QImage::bits() { @@ -2013,8 +2051,21 @@ void QImage::invertPixels(InvertMode mode) #endif /*! + \obsolete Resizes the color table to contain \a numColors entries. + \sa setColorCount() +*/ + +void QImage::setNumColors(int numColors) +{ + setColorCount(numColors); +} + +/*! + \since 4.6 + Resizes the color table to contain \a colorCount entries. + If the color table is expanded, all the extra colors will be set to transparent (i.e qRgba(0, 0, 0, 0)). @@ -2022,14 +2073,14 @@ void QImage::invertPixels(InvertMode mode) have entries for all the pixel/index values present in the image, otherwise the results are undefined. - \sa numColors(), colorTable(), setColor(), {QImage#Image + \sa colorCount(), colorTable(), setColor(), {QImage#Image Transformations}{Image Transformations} */ -void QImage::setNumColors(int numColors) +void QImage::setColorCount(int colorCount) { if (!d) { - qWarning("QImage::setNumColors: null image"); + qWarning("QImage::setColorCount: null image"); return; } @@ -2039,17 +2090,16 @@ void QImage::setNumColors(int numColors) if (!d) return; - if (numColors == d->colortable.size()) + if (colorCount == d->colortable.size()) return; - if (numColors <= 0) { // use no color table + if (colorCount <= 0) { // use no color table d->colortable = QVector<QRgb>(); return; } int nc = d->colortable.size(); - d->colortable.resize(numColors); - for (int i = nc; i < numColors; ++i) + d->colortable.resize(colorCount); + for (int i = nc; i < colorCount; ++i) d->colortable[i] = 0; - } /*! @@ -3662,7 +3712,7 @@ QRgb QImage::pixel(int x, int y) const otherwise the parameter must be a QRgb value. If \a position is not a valid coordinate pair in the image, or if - \a index_or_rgb >= numColors() in the case of monochrome and + \a index_or_rgb >= colorCount() in the case of monochrome and 8-bit images, the result is undefined. \warning This function is expensive due to the call of the internal @@ -3823,7 +3873,7 @@ bool QImage::allGray() const } else { if (d->colortable.isEmpty()) return true; - for (int i = 0; i < numColors(); i++) + for (int i = 0; i < colorCount(); i++) if (!qIsGray(d->colortable.at(i))) return false; } @@ -3850,7 +3900,7 @@ bool QImage::isGrayscale() const case 16: return allGray(); case 8: { - for (int i = 0; i < numColors(); i++) + for (int i = 0; i < colorCount(); i++) if (d->colortable.at(i) != qRgb(i,i,i)) return false; return true; @@ -4071,7 +4121,8 @@ QImage QImage::createAlphaMask(Qt::ImageConversionFlags flags) const } QImage mask(d->width, d->height, Format_MonoLSB); - dither_to_Mono(mask.d, d, flags, true); + if (!mask.isNull()) + dither_to_Mono(mask.d, d, flags, true); return mask; } @@ -4115,7 +4166,7 @@ QImage QImage::createHeuristicMask(bool clipTight) const int w = width(); int h = height(); QImage m(w, h, Format_MonoLSB); - m.setNumColors(2); + m.setColorCount(2); m.setColor(0, QColor(Qt::color0).rgba()); m.setColor(1, QColor(Qt::color1).rgba()); m.fill(0xff); @@ -5690,7 +5741,7 @@ QImage QImage::alphaChannel() const int h = d->height; QImage image(w, h, Format_Indexed8); - image.setNumColors(256); + image.setColorCount(256); // set up gray scale table. for (int i=0; i<256; ++i) @@ -5820,7 +5871,7 @@ static QImage smoothScaled(const QImage &source, int w, int h) { static QImage rotated90(const QImage &image) { QImage out(image.height(), image.width(), image.format()); - if (image.numColors() > 0) + if (image.colorCount() > 0) out.setColorTable(image.colorTable()); int w = image.width(); int h = image.height(); @@ -5859,7 +5910,7 @@ static QImage rotated90(const QImage &image) { break; default: for (int y=0; y<h; ++y) { - if (image.numColors()) + if (image.colorCount()) for (int x=0; x<w; ++x) out.setPixel(h-y-1, x, image.pixelIndex(x, y)); else @@ -5879,7 +5930,7 @@ static QImage rotated180(const QImage &image) { static QImage rotated270(const QImage &image) { QImage out(image.height(), image.width(), image.format()); - if (image.numColors() > 0) + if (image.colorCount() > 0) out.setColorTable(image.colorTable()); int w = image.width(); int h = image.height(); @@ -5918,7 +5969,7 @@ static QImage rotated270(const QImage &image) { break; default: for (int y=0; y<h; ++y) { - if (image.numColors()) + if (image.colorCount()) for (int x=0; x<w; ++x) out.setPixel(y, w-x-1, image.pixelIndex(x, y)); else @@ -6058,16 +6109,16 @@ QImage QImage::transformed(const QTransform &matrix, Qt::TransformationMode mode if (dImage.d->colortable.size() < 256) { // colors are left in the color table, so pick that one as transparent dImage.d->colortable.append(0x0); - memset(dImage.bits(), dImage.d->colortable.size() - 1, dImage.numBytes()); + memset(dImage.bits(), dImage.d->colortable.size() - 1, dImage.byteCount()); } else { - memset(dImage.bits(), 0, dImage.numBytes()); + memset(dImage.bits(), 0, dImage.byteCount()); } break; case 1: case 16: case 24: case 32: - memset(dImage.bits(), 0x00, dImage.numBytes()); + memset(dImage.bits(), 0x00, dImage.byteCount()); break; } diff --git a/src/gui/image/qimage.h b/src/gui/image/qimage.h index 1ac56a7de0..d8809ef114 100644 --- a/src/gui/image/qimage.h +++ b/src/gui/image/qimage.h @@ -165,18 +165,21 @@ public: QRect rect() const; int depth() const; - int numColors() const; + QT_DEPRECATED int numColors() const; + int colorCount() const; QRgb color(int i) const; void setColor(int i, QRgb c); - void setNumColors(int); + QT_DEPRECATED void setNumColors(int); + void setColorCount(int); bool allGray() const; bool isGrayscale() const; uchar *bits(); const uchar *bits() const; - int numBytes() const; + QT_DEPRECATED int numBytes() const; + int byteCount() const; uchar *scanLine(int); const uchar *scanLine(int) const; diff --git a/src/gui/image/qimagepixmapcleanuphooks.cpp b/src/gui/image/qimagepixmapcleanuphooks.cpp index d08d3ef738..35322e9811 100644 --- a/src/gui/image/qimagepixmapcleanuphooks.cpp +++ b/src/gui/image/qimagepixmapcleanuphooks.cpp @@ -40,7 +40,8 @@ ****************************************************************************/ #include "qimagepixmapcleanuphooks_p.h" -#include "qpixmapdata_p.h" +#include "private/qpixmapdata_p.h" +#include "private/qimage_p.h" QT_BEGIN_NAMESPACE @@ -70,19 +71,30 @@ QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance() return qt_image_and_pixmap_cleanup_hooks; } -void QImagePixmapCleanupHooks::addPixmapHook(_qt_pixmap_cleanup_hook_pm hook) +void QImagePixmapCleanupHooks::addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook) { - pixmapHooks.append(hook); + pixmapModificationHooks.append(hook); } +void QImagePixmapCleanupHooks::addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook) +{ + pixmapDestructionHooks.append(hook); +} + + void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook) { imageHooks.append(hook); } -void QImagePixmapCleanupHooks::removePixmapHook(_qt_pixmap_cleanup_hook_pm hook) +void QImagePixmapCleanupHooks::removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook) { - pixmapHooks.removeAll(hook); + pixmapModificationHooks.removeAll(hook); +} + +void QImagePixmapCleanupHooks::removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook) +{ + pixmapDestructionHooks.removeAll(hook); } void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook) @@ -91,18 +103,29 @@ void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook) } -void QImagePixmapCleanupHooks::executePixmapHooks(QPixmap* pm) +void QImagePixmapCleanupHooks::executePixmapModificationHooks(QPixmap* pm) { - for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->pixmapHooks.count(); ++i) - qt_image_and_pixmap_cleanup_hooks->pixmapHooks[i](pm); + Q_ASSERT(qt_image_and_pixmap_cleanup_hooks); + for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->pixmapModificationHooks.count(); ++i) + qt_image_and_pixmap_cleanup_hooks->pixmapModificationHooks[i](pm); if (qt_pixmap_cleanup_hook_64) qt_pixmap_cleanup_hook_64(pm->cacheKey()); } +void QImagePixmapCleanupHooks::executePixmapDestructionHooks(QPixmap* pm) +{ + Q_ASSERT(qt_image_and_pixmap_cleanup_hooks); + for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->pixmapDestructionHooks.count(); ++i) + qt_image_and_pixmap_cleanup_hooks->pixmapDestructionHooks[i](pm); + + if (qt_pixmap_cleanup_hook_64) + qt_pixmap_cleanup_hook_64(pm->cacheKey()); +} void QImagePixmapCleanupHooks::executeImageHooks(qint64 key) { + Q_ASSERT(qt_image_and_pixmap_cleanup_hooks); for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->imageHooks.count(); ++i) qt_image_and_pixmap_cleanup_hooks->imageHooks[i](key); @@ -110,4 +133,19 @@ void QImagePixmapCleanupHooks::executeImageHooks(qint64 key) qt_image_cleanup_hook_64(key); } +void QImagePixmapCleanupHooks::enableCleanupHooks(const QPixmap &pixmap) +{ + enableCleanupHooks(const_cast<QPixmap &>(pixmap).data_ptr().data()); +} + +void QImagePixmapCleanupHooks::enableCleanupHooks(QPixmapData *pixmapData) +{ + pixmapData->is_cached = true; +} + +void QImagePixmapCleanupHooks::enableCleanupHooks(const QImage &image) +{ + const_cast<QImage &>(image).data_ptr()->is_cached = true; +} + QT_END_NAMESPACE diff --git a/src/gui/image/qimagepixmapcleanuphooks_p.h b/src/gui/image/qimagepixmapcleanuphooks_p.h index dd2d0f7716..9e490d701c 100644 --- a/src/gui/image/qimagepixmapcleanuphooks_p.h +++ b/src/gui/image/qimagepixmapcleanuphooks_p.h @@ -70,18 +70,31 @@ public: static QImagePixmapCleanupHooks *instance(); - void addPixmapHook(_qt_pixmap_cleanup_hook_pm); + static void enableCleanupHooks(const QImage &image); + static void enableCleanupHooks(const QPixmap &pixmap); + static void enableCleanupHooks(QPixmapData *pixmapData); + + // Gets called when a pixmap is about to be modified: + void addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm); + + // Gets called when a pixmap is about to be destroyed: + void addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm); + + // Gets called when an image is about to be modified or destroyed: void addImageHook(_qt_image_cleanup_hook_64); - void removePixmapHook(_qt_pixmap_cleanup_hook_pm); + void removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm); + void removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm); void removeImageHook(_qt_image_cleanup_hook_64); - static void executePixmapHooks(QPixmap*); + static void executePixmapModificationHooks(QPixmap*); + static void executePixmapDestructionHooks(QPixmap*); static void executeImageHooks(qint64 key); private: QList<_qt_image_cleanup_hook_64> imageHooks; - QList<_qt_pixmap_cleanup_hook_pm> pixmapHooks; + QList<_qt_pixmap_cleanup_hook_pm> pixmapModificationHooks; + QList<_qt_pixmap_cleanup_hook_pm> pixmapDestructionHooks; }; QT_END_NAMESPACE diff --git a/src/gui/image/qnativeimage.cpp b/src/gui/image/qnativeimage.cpp index 88faea8ff6..e4ea2e9cad 100644 --- a/src/gui/image/qnativeimage.cpp +++ b/src/gui/image/qnativeimage.cpp @@ -199,10 +199,12 @@ QNativeImage::QNativeImage(int width, int height, QImage::Format format,bool /* shmctl(xshminfo.shmid, IPC_RMID, 0); return; } - xshmpm = XShmCreatePixmap(X11->display, DefaultRootWindow(X11->display), xshmimg->data, - &xshminfo, width, height, dd); - if (!xshmpm) { - qWarning() << "QNativeImage: Unable to create shared Pixmap."; + if (X11->use_mitshm_pixmaps) { + xshmpm = XShmCreatePixmap(X11->display, DefaultRootWindow(X11->display), xshmimg->data, + &xshminfo, width, height, dd); + if (!xshmpm) { + qWarning() << "QNativeImage: Unable to create shared Pixmap."; + } } } diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp index 21fb23e5f1..a5416684dd 100644 --- a/src/gui/image/qpixmap.cpp +++ b/src/gui/image/qpixmap.cpp @@ -113,13 +113,10 @@ void QPixmap::init(int w, int h, Type type) void QPixmap::init(int w, int h, int type) { - QGraphicsSystem* gs = QApplicationPrivate::graphicsSystem(); - if (gs) - data = gs->createPixmapData(static_cast<QPixmapData::PixelType>(type)); + if ((w > 0 && h > 0) || type == QPixmapData::BitmapType) + data = QPixmapData::create(w, h, (QPixmapData::PixelType) type); else - data = QGraphicsSystem::createDefaultPixmapData(static_cast<QPixmapData::PixelType>(type)); - - data->resize(w, h); + data = 0; } /*! @@ -307,7 +304,7 @@ QPixmap::QPixmap(const char * const xpm[]) QImage image(xpm); if (!image.isNull()) { - if (data->pixelType() == QPixmapData::BitmapType) + if (data && data->pixelType() == QPixmapData::BitmapType) *this = QBitmap::fromImage(image); else *this = fromImage(image); @@ -322,8 +319,9 @@ QPixmap::QPixmap(const char * const xpm[]) QPixmap::~QPixmap() { - if (data->is_cached && data->ref == 1) - QImagePixmapCleanupHooks::executePixmapHooks(this); + Q_ASSERT(!data || data->ref >= 1); // Catch if ref-counting changes again + if (data && data->is_cached && data->ref == 1) // ref will be decrememnted after destructor returns + QImagePixmapCleanupHooks::executePixmapDestructionHooks(this); } /*! @@ -361,13 +359,7 @@ QPixmap QPixmap::copy(const QRect &rect) const const QRect r = rect.isEmpty() ? QRect(0, 0, width(), height()) : rect; - QPixmapData *d; - QGraphicsSystem* gs = QApplicationPrivate::graphicsSystem(); - if (gs) - d = gs->createPixmapData(data->pixelType()); - else - d = QGraphicsSystem::createDefaultPixmapData(data->pixelType()); - + QPixmapData *d = data->createCompatiblePixmapData(); d->copy(data.data(), r); return QPixmap(d); } @@ -475,9 +467,11 @@ QPixmap::operator QVariant() const conversion fails. If the pixmap has 1-bit depth, the returned image will also be 1 - bit deep. If the pixmap has 2- to 8-bit depth, the returned image - has 8-bit depth. If the pixmap has greater than 8-bit depth, the - returned image has 32-bit depth. + bit deep. Images with more bits will be returned in a format + closely represents the underlying system. Usually this will be + QImage::Format_ARGB32_Premultiplied for pixmaps with an alpha and + QImage::Format_RGB32 or QImage::Format_RGB16 for pixmaps without + alpha. Note that for the moment, alpha masks on monochrome images are ignored. @@ -547,7 +541,7 @@ bool QPixmap::isQBitmap() const */ bool QPixmap::isNull() const { - return data->isNull(); + return !data || data->isNull(); } /*! @@ -559,7 +553,7 @@ bool QPixmap::isNull() const */ int QPixmap::width() const { - return data->width(); + return data ? data->width() : 0; } /*! @@ -571,7 +565,7 @@ int QPixmap::width() const */ int QPixmap::height() const { - return data->height(); + return data ? data->height() : 0; } /*! @@ -584,7 +578,7 @@ int QPixmap::height() const */ QSize QPixmap::size() const { - return QSize(data->width(), data->height()); + return data ? QSize(data->width(), data->height()) : QSize(); } /*! @@ -596,7 +590,7 @@ QSize QPixmap::size() const */ QRect QPixmap::rect() const { - return QRect(0, 0, data->width(), data->height()); + return data ? QRect(0, 0, data->width(), data->height()) : QRect(); } /*! @@ -612,7 +606,7 @@ QRect QPixmap::rect() const */ int QPixmap::depth() const { - return data->depth(); + return data ? data->depth() : 0; } /*! @@ -642,16 +636,16 @@ void QPixmap::resize_helper(const QSize &s) return; // Create new pixmap - QPixmap pm(QSize(w, h), data->type); + QPixmap pm(QSize(w, h), data ? data->type : QPixmapData::PixmapType); bool uninit = false; #if defined(Q_WS_X11) - QX11PixmapData *x11Data = data->classId() == QPixmapData::X11Class ? static_cast<QX11PixmapData*>(data.data()) : 0; + QX11PixmapData *x11Data = data && data->classId() == QPixmapData::X11Class ? static_cast<QX11PixmapData*>(data.data()) : 0; if (x11Data) { pm.x11SetScreen(x11Data->xinfo.screen()); uninit = x11Data->flags & QX11PixmapData::Uninitialized; } #elif defined(Q_WS_MAC) - QMacPixmapData *macData = data->classId() == QPixmapData::MacClass ? static_cast<QMacPixmapData*>(data.data()) : 0; + QMacPixmapData *macData = data && data->classId() == QPixmapData::MacClass ? static_cast<QMacPixmapData*>(data.data()) : 0; if (macData) uninit = macData->uninit; #endif @@ -731,6 +725,9 @@ void QPixmap::setMask(const QBitmap &mask) return; } + if (isNull()) + return; + if (static_cast<const QPixmap &>(mask).data == data) // trying to selfmask return; @@ -829,11 +826,14 @@ bool QPixmap::load(const QString &fileName, const char *format, Qt::ImageConvers QFileInfo info(fileName); QString key = QLatin1String("qt_pixmap_") + info.absoluteFilePath() + QLatin1Char('_') + QString::number(info.lastModified().toTime_t()) + QLatin1Char('_') + - QString::number(info.size()) + QLatin1Char('_') + QString::number(data->pixelType()); + QString::number(info.size()) + QLatin1Char('_') + QString::number(data ? data->pixelType() : QPixmapData::PixmapType); if (QPixmapCache::find(key, *this)) return true; + if (!data) + data = QPixmapData::create(0, 0, QPixmapData::PixmapType); + if (data->fromFile(fileName, format, flags)) { QPixmapCache::insert(key, *this); return true; @@ -863,6 +863,12 @@ bool QPixmap::load(const QString &fileName, const char *format, Qt::ImageConvers bool QPixmap::loadFromData(const uchar *buf, uint len, const char *format, Qt::ImageConversionFlags flags) { + if (len == 0 || buf == 0) + return false; + + if (!data) + data = QPixmapData::create(0, 0, QPixmapData::PixmapType); + return data->fromData(buf, len, format, flags); } @@ -947,6 +953,9 @@ bool QPixmap::doImageIO(QImageWriter *writer, int quality) const /*! Fills the pixmap with the given \a color. + The effect of this function is undefined when the pixmap is + being painted on. + \sa {QPixmap#Pixmap Transformations}{Pixmap Transformations} */ @@ -955,7 +964,24 @@ void QPixmap::fill(const QColor &color) if (isNull()) return; - detach(); + // Some people are probably already calling fill while a painter is active, so to not break + // their programs, only print a warning and return when the fill operation could cause a crash. + if (paintingActive() && (color.alpha() != 255) && !hasAlphaChannel()) { + qWarning("QPixmap::fill: Cannot fill while pixmap is being painted on"); + return; + } + + if (data->ref == 1) { + // detach() will also remove this pixmap from caches, so + // it has to be called even when ref == 1. + detach(); + } else { + // Don't bother to make a copy of the data object, since + // it will be filled with new pixel data anyway. + QPixmapData *d = data->createCompatiblePixmapData(); + d->resize(data->width(), data->height()); + data = d; + } data->fill(color); } @@ -988,6 +1014,9 @@ int QPixmap::serialNumber() const */ qint64 QPixmap::cacheKey() const { + if (isNull()) + return 0; + int classKey = data->classId(); if (classKey >= 1024) classKey = -(classKey >> 10); @@ -1204,7 +1233,7 @@ QPixmap::QPixmap(const QImage& image) QPixmap &QPixmap::operator=(const QImage &image) { - if (data->pixelType() == QPixmapData::BitmapType) + if (data && data->pixelType() == QPixmapData::BitmapType) *this = QBitmap::fromImage(image); else *this = fromImage(image); @@ -1234,7 +1263,7 @@ bool QPixmap::loadFromData(const uchar *buf, uint len, const char *format, Color */ bool QPixmap::convertFromImage(const QImage &image, ColorMode mode) { - if (data->pixelType() == QPixmapData::BitmapType) + if (data && data->pixelType() == QPixmapData::BitmapType) *this = QBitmap::fromImage(image, colorModeToFlags(mode)); else *this = fromImage(image, colorModeToFlags(mode)); @@ -1321,7 +1350,7 @@ Q_GUI_EXPORT void copyBlt(QPixmap *dst, int dx, int dy, bool QPixmap::isDetached() const { - return data->ref == 1; + return data && data->ref == 1; } /*! \internal @@ -1663,10 +1692,10 @@ QPixmap QPixmap::transformed(const QMatrix &matrix, Qt::TransformationMode mode) identifies the contents of the QPixmap object. The x11Info() function returns information about the configuration - of the X display used to display the widget. The - x11PictureHandle() function returns the X11 Picture handle of the - pixmap for XRender support. Note that the two latter functions are - only available on x11. + of the X display used by the screen to which the pixmap currently + belongs. The x11PictureHandle() function returns the X11 Picture + handle of the pixmap for XRender support. Note that the two latter + functions are only available on x11. \endtable @@ -1733,7 +1762,7 @@ QPixmap QPixmap::transformed(const QMatrix &matrix, Qt::TransformationMode mode) */ bool QPixmap::hasAlpha() const { - return (data->hasAlphaChannel() || !data->mask().isNull()); + return data && (data->hasAlphaChannel() || !data->mask().isNull()); } /*! @@ -1744,7 +1773,7 @@ bool QPixmap::hasAlpha() const */ bool QPixmap::hasAlphaChannel() const { - return data->hasAlphaChannel(); + return data && data->hasAlphaChannel(); } /*! @@ -1752,7 +1781,7 @@ bool QPixmap::hasAlphaChannel() const */ int QPixmap::metric(PaintDeviceMetric metric) const { - return data->metric(metric); + return data ? data->metric(metric) : 0; } /*! @@ -1824,7 +1853,7 @@ void QPixmap::setAlphaChannel(const QPixmap &alphaChannel) */ QPixmap QPixmap::alphaChannel() const { - return data->alphaChannel(); + return data ? data->alphaChannel() : QPixmap(); } /*! @@ -1832,7 +1861,7 @@ QPixmap QPixmap::alphaChannel() const */ QPaintEngine *QPixmap::paintEngine() const { - return data->paintEngine(); + return data ? data->paintEngine() : 0; } /*! @@ -1847,7 +1876,7 @@ QPaintEngine *QPixmap::paintEngine() const */ QBitmap QPixmap::mask() const { - return data->mask(); + return data ? data->mask() : QBitmap(); } /*! @@ -1898,6 +1927,9 @@ int QPixmap::defaultDepth() */ void QPixmap::detach() { + if (!data) + return; + QPixmapData::ClassId id = data->classId(); if (id == QPixmapData::RasterClass) { QRasterPixmapData *rasterData = static_cast<QRasterPixmapData*>(data.data()); @@ -1905,7 +1937,7 @@ void QPixmap::detach() } if (data->is_cached && data->ref == 1) - QImagePixmapCleanupHooks::executePixmapHooks(this); + QImagePixmapCleanupHooks::executePixmapModificationHooks(this); #if defined(Q_WS_MAC) QMacPixmapData *macData = id == QPixmapData::MacClass ? static_cast<QMacPixmapData*>(data.data()) : 0; @@ -2086,7 +2118,7 @@ QPixmapData* QPixmap::pixmapData() const /*! \fn const QX11Info &QPixmap::x11Info() const \bold{X11 only:} Returns information about the configuration of - the X display used to display the widget. + the X display used by the screen to which the pixmap currently belongs. \warning This function is only available on X11. @@ -2120,6 +2152,13 @@ QPixmapData* QPixmap::pixmapData() const */ /*! \fn int QPixmap::numCols() const + \obsolete + \internal + \sa colorCount() +*/ + +/*! \fn int QPixmap::colorCount() const + \since 4.6 \internal */ diff --git a/src/gui/image/qpixmap.h b/src/gui/image/qpixmap.h index d11bd03565..d95b4eead8 100644 --- a/src/gui/image/qpixmap.h +++ b/src/gui/image/qpixmap.h @@ -185,7 +185,8 @@ public: const uchar *qwsBits() const; int qwsBytesPerLine() const; QRgb *clut() const; - int numCols() const; + QT_DEPRECATED int numCols() const; + int colorCount() const; #elif defined(Q_WS_MAC) Qt::HANDLE macQDHandle() const; Qt::HANDLE macQDAlphaHandle() const; diff --git a/src/gui/image/qpixmap_mac.cpp b/src/gui/image/qpixmap_mac.cpp index de532fd5a8..6175931f80 100644 --- a/src/gui/image/qpixmap_mac.cpp +++ b/src/gui/image/qpixmap_mac.cpp @@ -166,6 +166,11 @@ QMacPixmapData::QMacPixmapData(PixelType type) { } +QPixmapData *QMacPixmapData::createCompatiblePixmapData() const +{ + return new QMacPixmapData(pixelType()); +} + #define BEST_BYTE_ALIGNMENT 16 #define COMPTUE_BEST_BYTES_PER_ROW(bpr) \ (((bpr) + (BEST_BYTE_ALIGNMENT - 1)) & ~(BEST_BYTE_ALIGNMENT - 1)) @@ -243,7 +248,7 @@ void QMacPixmapData::fromImage(const QImage &img, } else if ((flags & Qt::ColorMode_Mask) == Qt::ColorOnly) { conv8 = d == 1; // native depth wanted } else if (d == 1) { - if (image.numColors() == 2) { + if (image.colorCount() == 2) { QRgb c0 = image.color(0); // Auto: convert to best QRgb c1 = image.color(1); conv8 = qMin(c0,c1) != qRgb(0,0,0) || qMax(c0,c1) != qRgb(255,255,255); @@ -300,11 +305,15 @@ void QMacPixmapData::fromImage(const QImage &img, } break; } - case QImage::Format_Indexed8: - for (int x = 0; x < w; ++x) { - *(drow+x) = PREMUL(image.color(*(srow + x))); + case QImage::Format_Indexed8: { + int numColors = image.numColors(); + if (numColors > 0) { + for (int x = 0; x < w; ++x) { + int index = *(srow + x); + *(drow+x) = PREMUL(image.color(qMin(index, numColors))); + } } - break; + } break; case QImage::Format_RGB32: for (int x = 0; x < w; ++x) *(drow+x) = *(((quint32*)srow) + x) | 0xFF000000; @@ -330,7 +339,7 @@ void QMacPixmapData::fromImage(const QImage &img, bool alphamap = image.depth() == 32; if (sfmt == QImage::Format_Indexed8) { const QVector<QRgb> rgb = image.colorTable(); - for (int i = 0, count = image.numColors(); i < count; ++i) { + for (int i = 0, count = image.colorCount(); i < count; ++i) { const int alpha = qAlpha(rgb[i]); if (alpha != 0xff) { alphamap = true; @@ -346,13 +355,13 @@ void QMacPixmapData::fromImage(const QImage &img, int get_index(QImage * qi,QRgb mycol) { int loopc; - for(loopc=0;loopc<qi->numColors();loopc++) { + for(loopc=0;loopc<qi->colorCount();loopc++) { if(qi->color(loopc)==mycol) return loopc; } - qi->setNumColors(qi->numColors()+1); - qi->setColor(qi->numColors(),mycol); - return qi->numColors(); + qi->setColorCount(qi->colorCount()+1); + qi->setColor(qi->colorCount(),mycol); + return qi->colorCount(); } QImage QMacPixmapData::toImage() const @@ -367,7 +376,7 @@ QImage QMacPixmapData::toImage() const const uint sbpr = bytesPerRow; if (format == QImage::Format_MonoLSB) { image.fill(0); - image.setNumColors(2); + image.setColorCount(2); image.setColor(0, QColor(Qt::color0).rgba()); image.setColor(1, QColor(Qt::color1).rgba()); for (int y = 0; y < h; ++y) { @@ -960,6 +969,9 @@ Qt::HANDLE QPixmap::macQDAlphaHandle() const Qt::HANDLE QPixmap::macCGHandle() const { + if (isNull()) + return 0; + if (data->classId() == QPixmapData::MacClass) { QMacPixmapData *d = static_cast<QMacPixmapData *>(data.data()); if (!d->cg_data) diff --git a/src/gui/image/qpixmap_mac_p.h b/src/gui/image/qpixmap_mac_p.h index 528dd1f346..a3fb95f847 100644 --- a/src/gui/image/qpixmap_mac_p.h +++ b/src/gui/image/qpixmap_mac_p.h @@ -65,6 +65,8 @@ public: QMacPixmapData(PixelType type); ~QMacPixmapData(); + QPixmapData *createCompatiblePixmapData() const; + void resize(int width, int height); void fromImage(const QImage &image, Qt::ImageConversionFlags flags); void copy(const QPixmapData *data, const QRect &rect); diff --git a/src/gui/image/qpixmap_qws.cpp b/src/gui/image/qpixmap_qws.cpp index 6b4283ecc8..69626edb83 100644 --- a/src/gui/image/qpixmap_qws.cpp +++ b/src/gui/image/qpixmap_qws.cpp @@ -114,7 +114,7 @@ QPixmap QPixmap::grabWindow(WId window, int x, int y, int w, int h) QRgb* QPixmap::clut() const { - if (data->classId() == QPixmapData::RasterClass) { + if (data && data->classId() == QPixmapData::RasterClass) { const QRasterPixmapData *d = static_cast<const QRasterPixmapData*>(data.data()); return d->image.colorTable().data(); } @@ -124,9 +124,14 @@ QRgb* QPixmap::clut() const int QPixmap::numCols() const { - if (data->classId() == QPixmapData::RasterClass) { + return colorCount(); +} + +int QPixmap::colorCount() const +{ + if (data && data->classId() == QPixmapData::RasterClass) { const QRasterPixmapData *d = static_cast<const QRasterPixmapData*>(data.data()); - return d->image.numColors(); + return d->image.colorCount(); } return 0; @@ -134,7 +139,7 @@ int QPixmap::numCols() const const uchar* QPixmap::qwsBits() const { - if (data->classId() == QPixmapData::RasterClass) { + if (data && data->classId() == QPixmapData::RasterClass) { const QRasterPixmapData *d = static_cast<const QRasterPixmapData*>(data.data()); return d->image.bits(); } @@ -144,7 +149,7 @@ const uchar* QPixmap::qwsBits() const int QPixmap::qwsBytesPerLine() const { - if (data->classId() == QPixmapData::RasterClass) { + if (data && data->classId() == QPixmapData::RasterClass) { const QRasterPixmapData *d = static_cast<const QRasterPixmapData*>(data.data()); return d->image.bytesPerLine(); } diff --git a/src/gui/image/qpixmap_raster.cpp b/src/gui/image/qpixmap_raster.cpp index ad68b07e96..1b01e6f3bb 100644 --- a/src/gui/image/qpixmap_raster.cpp +++ b/src/gui/image/qpixmap_raster.cpp @@ -55,6 +55,29 @@ QT_BEGIN_NAMESPACE const uchar qt_pixmap_bit_mask[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }; +QPixmap qt_toRasterPixmap(const QImage &image) +{ + QPixmapData *data = + new QRasterPixmapData(image.depth() == 1 + ? QPixmapData::BitmapType + : QPixmapData::PixmapType); + + data->fromImage(image, Qt::AutoColor); + + return QPixmap(data); +} + +QPixmap qt_toRasterPixmap(const QPixmap &pixmap) +{ + if (pixmap.isNull()) + return QPixmap(); + + if (QPixmap(pixmap).data_ptr()->classId() == QPixmapData::RasterClass) + return pixmap; + + return qt_toRasterPixmap(pixmap.toImage()); +} + QRasterPixmapData::QRasterPixmapData(PixelType type) : QPixmapData(type, RasterClass) { @@ -64,6 +87,11 @@ QRasterPixmapData::~QRasterPixmapData() { } +QPixmapData *QRasterPixmapData::createCompatiblePixmapData() const +{ + return new QRasterPixmapData(pixelType()); +} + void QRasterPixmapData::resize(int width, int height) { QImage::Format format; @@ -91,7 +119,7 @@ void QRasterPixmapData::resize(int width, int height) is_null = (w <= 0 || h <= 0); if (pixelType() == BitmapType && !image.isNull()) { - image.setNumColors(2); + image.setColorCount(2); image.setColor(0, QColor(Qt::color0).rgba()); image.setColor(1, QColor(Qt::color1).rgba()); } diff --git a/src/gui/image/qpixmap_raster_p.h b/src/gui/image/qpixmap_raster_p.h index da0405e9f7..1553940cd8 100644 --- a/src/gui/image/qpixmap_raster_p.h +++ b/src/gui/image/qpixmap_raster_p.h @@ -68,6 +68,8 @@ public: QRasterPixmapData(PixelType type); ~QRasterPixmapData(); + QPixmapData *createCompatiblePixmapData() const; + void resize(int width, int height); void fromFile(const QString &filename, Qt::ImageConversionFlags flags); void fromImage(const QImage &image, Qt::ImageConversionFlags flags); diff --git a/src/gui/image/qpixmap_s60.cpp b/src/gui/image/qpixmap_s60.cpp index 9ae8d7291d..17baa50dcf 100644 --- a/src/gui/image/qpixmap_s60.cpp +++ b/src/gui/image/qpixmap_s60.cpp @@ -4,7 +4,7 @@ ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** -** This file is part of the QtGui of the Qt Toolkit. +** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage @@ -73,27 +73,27 @@ const uchar qt_pixmap_bit_mask[] = { 0x01, 0x02, 0x04, 0x08, used to lock the global bitmap heap. Only used in S60 v3.1 and S60 v3.2. */ +_LIT(KFBSERVLargeBitmapAccessName,"FbsLargeBitmapAccess"); class QSymbianFbsClient { public: - QSymbianFbsClient() : heapLock(0), heapLocked(false) + QSymbianFbsClient() : heapLocked(false) { - QT_TRAP_THROWING(heapLock = new(ELeave) CFbsBitmap); - heapLock->Create(TSize(0,0), S60->screenDevice()->DisplayMode()); + heapLock.OpenGlobal(KFBSERVLargeBitmapAccessName); } ~QSymbianFbsClient() { - delete heapLock; + heapLock.Close(); } bool lockHeap() { bool wasLocked = heapLocked; - if (heapLock && !heapLocked) { - heapLock->LockHeap(ETrue); + if (heapLock.Handle() && !heapLocked) { + heapLock.Wait(); heapLocked = true; } @@ -104,8 +104,8 @@ public: { bool wasLocked = heapLocked; - if (heapLock && heapLocked) { - heapLock->UnlockHeap(ETrue); + if (heapLock.Handle() && heapLocked) { + heapLock.Signal(); heapLocked = false; } @@ -115,7 +115,7 @@ public: private: - CFbsBitmap *heapLock; + RMutex heapLock; bool heapLocked; }; @@ -169,7 +169,7 @@ public: inline void beginDataAccess(CFbsBitmap *bitmap) { - if (symbianVersion == QSysInfo::SV_9_2 || symbianVersion == QSysInfo::SV_9_3) + if (symbianVersion == QSysInfo::SV_9_2) heapWasLocked = qt_symbianFbsClient()->lockHeap(); else bitmap->LockHeap(ETrue); @@ -177,7 +177,7 @@ public: inline void endDataAccess(CFbsBitmap *bitmap) { - if (symbianVersion == QSysInfo::SV_9_2 || symbianVersion == QSysInfo::SV_9_3) { + if (symbianVersion == QSysInfo::SV_9_2) { if (!heapWasLocked) qt_symbianFbsClient()->unlockHeap(); } else { @@ -311,7 +311,7 @@ QPixmap QPixmap::grabWindow(WId winId, int x, int y, int w, int h) CFbsBitmap *QPixmap::toSymbianCFbsBitmap() const { QPixmapData *data = pixmapData(); - if (data->isNull()) + if (!data || data->isNull()) return 0; return reinterpret_cast<CFbsBitmap*>(data->toNativeType(QPixmapData::FbsBitmap)); @@ -337,8 +337,9 @@ QPixmap QPixmap::fromSymbianCFbsBitmap(CFbsBitmap *bitmap) if (!bitmap) return QPixmap(); - QPixmap pixmap; - pixmap.pixmapData()->fromNativeType(reinterpret_cast<void*>(bitmap), QPixmapData::FbsBitmap); + QScopedPointer<QS60PixmapData> data(new QS60PixmapData(QPixmapData::PixmapType)); + data->fromNativeType(reinterpret_cast<void*>(bitmap), QPixmapData::FbsBitmap); + QPixmap pixmap(data.take()); return pixmap; } @@ -348,7 +349,8 @@ QS60PixmapData::QS60PixmapData(PixelType type) : QRasterPixmapData(type), bitmapDevice(0), bitmapGc(0), pengine(0), - bytes(0) + bytes(0), + formatLocked(false) { } @@ -424,11 +426,12 @@ void QS60PixmapData::release() } /*! - * Takes ownership of bitmap + * Takes ownership of bitmap. Used by window surface */ void QS60PixmapData::fromSymbianBitmap(CFbsBitmap* bitmap) { cfbsBitmap = bitmap; + formatLocked = true; if(!initSymbianBitmapContext()) { qWarning("Could not create CBitmapContext"); @@ -442,7 +445,7 @@ void QS60PixmapData::fromSymbianBitmap(CFbsBitmap* bitmap) // Create default palette if needed if (cfbsBitmap->DisplayMode() == EGray2) { - image.setNumColors(2); + image.setColorCount(2); image.setColor(0, QColor(Qt::color0).rgba()); image.setColor(1, QColor(Qt::color1).rgba()); @@ -496,11 +499,12 @@ void QS60PixmapData::fromImage(const QImage &img, Qt::ImageConversionFlags flags mode = EColor16MU; break; case QImage::Format_ARGB32_Premultiplied: -#if !defined(__SERIES60_31__) && !defined(__S60_32__) - mode = EColor16MAP; - break; -#endif - destFormat = QImage::Format_ARGB32; + if (S60->supportsPremultipliedAlpha) { + mode = Q_SYMBIAN_ECOLOR16MAP; + break; + } else { + destFormat = QImage::Format_ARGB32; + } // Fall through intended case QImage::Format_ARGB32: mode = EColor16MA; @@ -524,13 +528,13 @@ void QS60PixmapData::fromImage(const QImage &img, Qt::ImageConversionFlags flags const uchar *sptr = const_cast<const QImage &>(sourceImage).bits(); symbianBitmapDataAccess->beginDataAccess(cfbsBitmap); uchar *dptr = (uchar*)cfbsBitmap->DataAddress(); - Mem::Copy(dptr, sptr, sourceImage.numBytes()); + Mem::Copy(dptr, sptr, sourceImage.byteCount()); symbianBitmapDataAccess->endDataAccess(cfbsBitmap); UPDATE_BUFFER(); if (destFormat == QImage::Format_MonoLSB) { - image.setNumColors(2); + image.setColorCount(2); image.setColor(0, QColor(Qt::color0).rgba()); image.setColor(1, QColor(Qt::color1).rgba()); } else { @@ -683,14 +687,19 @@ void QS60PixmapData::beginDataAccess() uchar* newBytes = (uchar*)cfbsBitmap->DataAddress(); - if (newBytes == bytes) - return; + TSize size = cfbsBitmap->SizeInPixels(); + if (newBytes == bytes && image.width() == size.iWidth && image.height() == size.iHeight) + return; bytes = newBytes; TDisplayMode mode = cfbsBitmap->DisplayMode(); QImage::Format format = qt_TDisplayMode2Format(mode); - TSize size = cfbsBitmap->SizeInPixels(); + // On S60 3.1, premultiplied alpha pixels are stored in a bitmap with 16MA type. + // S60 window surface needs backing store pixmap for transparent window in ARGB32 format. + // In that case formatLocked is true. + if (!formatLocked && format == QImage::Format_ARGB32) + format = QImage::Format_ARGB32_Premultiplied; // pixel data is actually in premultiplied format QVector<QRgb> savedColorTable; if (!image.isNull()) @@ -747,9 +756,9 @@ QPixmap QPixmap::fromSymbianRSgImage(RSgImage *sgImage) if (!sgImage) return QPixmap(); - QPixmap pixmap; - pixmap.pixmapData()->fromNativeType(reinterpret_cast<void*>(sgImage), QPixmapData::SgImage); - + QScopedPointer<QS60PixmapData> data(new QS60PixmapData(QPixmapData::PixmapType)); + data->fromNativeType(reinterpret_cast<void*>(sgImage), QPixmapData::SgImage); + QPixmap pixmap(data.take()); return pixmap; } @@ -794,8 +803,8 @@ void* QS60PixmapData::toNativeType(NativeType type) bool needsCopy = false; QSysInfo::SymbianVersion symbianVersion = QSysInfo::symbianVersion(); - if (symbianVersion == QSysInfo::SV_9_2 || symbianVersion == QSysInfo::SV_9_3) { - // Convert argb32_premultiplied to argb32 since Symbian 9.2 and Symbian 9.3 do + if (!(S60->supportsPremultipliedAlpha)) { + // Convert argb32_premultiplied to argb32 since Symbian 9.2 does // not support premultipied format. if (image.format() == QImage::Format_ARGB32_Premultiplied) { @@ -830,7 +839,7 @@ void* QS60PixmapData::toNativeType(NativeType type) symbianBitmapDataAccess->beginDataAccess(newBitmap); uchar *dptr = (uchar*)newBitmap->DataAddress(); - Mem::Copy(dptr, sptr, source.numBytes()); + Mem::Copy(dptr, sptr, source.byteCount()); symbianBitmapDataAccess->endDataAccess(newBitmap); @@ -930,18 +939,21 @@ void QS60PixmapData::fromNativeType(void* pixmap, NativeType nativeType) da.beginDataAccess(sourceBitmap); uchar *bytes = (uchar*)sourceBitmap->DataAddress(); QImage img = QImage(bytes, size.iWidth, size.iHeight, format); + img = img.copy(); da.endDataAccess(sourceBitmap); - fromImage(img, Qt::AutoColor); - - if(deleteSourceBitmap) - delete sourceBitmap; - if(displayMode == EGray2) { //Symbian thinks set pixels are white/transparent, Qt thinks they are foreground/solid //So invert mono bitmaps so that masks work correctly. - image.invertPixels(); + img.invertPixels(); + } else if(displayMode == EColor16M) { + img = img.rgbSwapped(); // EColor16M is BGR } + + fromImage(img, Qt::AutoColor); + + if(deleteSourceBitmap) + delete sourceBitmap; } else { CFbsBitmap* duplicate = 0; QT_TRAP_THROWING(duplicate = new (ELeave) CFbsBitmap); diff --git a/src/gui/image/qpixmap_s60_p.h b/src/gui/image/qpixmap_s60_p.h index b23961a148..b1b58248d6 100644 --- a/src/gui/image/qpixmap_s60_p.h +++ b/src/gui/image/qpixmap_s60_p.h @@ -118,6 +118,8 @@ private: QPaintEngine *pengine; uchar* bytes; + bool formatLocked; + friend class QPixmap; friend class QS60WindowSurface; friend class QS60PaintEngine; diff --git a/src/gui/image/qpixmap_win.cpp b/src/gui/image/qpixmap_win.cpp index 1b6148479d..04027c156a 100644 --- a/src/gui/image/qpixmap_win.cpp +++ b/src/gui/image/qpixmap_win.cpp @@ -121,6 +121,9 @@ QPixmap QPixmap::grabWindow(WId winId, int x, int y, int w, int h ) HBITMAP QPixmap::toWinHBITMAP(HBitmapFormat format) const { + if (isNull()) + return 0; + HBITMAP bitmap = 0; if (data->classId() == QPixmapData::RasterClass) { QRasterPixmapData* d = static_cast<QRasterPixmapData*>(data.data()); diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp index 74543a034a..7008fbd4a1 100644 --- a/src/gui/image/qpixmap_x11.cpp +++ b/src/gui/image/qpixmap_x11.cpp @@ -319,6 +319,11 @@ QX11PixmapData::QX11PixmapData(PixelType type) { } +QPixmapData *QX11PixmapData::createCompatiblePixmapData() const +{ + return new QX11PixmapData(pixelType()); +} + void QX11PixmapData::resize(int width, int height) { setSerialNumber(++qt_pixmap_serial); @@ -411,6 +416,11 @@ void QX11PixmapData::fromImage(const QImage &img, d = img.depth(); is_null = (w <= 0 || h <= 0); + if (is_null) { + w = h = 0; + return; + } + if (defaultScreen >= 0 && defaultScreen != xinfo.screen()) { QX11InfoData* xd = xinfo.getX11Data(true); xd->screen = defaultScreen; @@ -459,7 +469,7 @@ void QX11PixmapData::fromImage(const QImage &img, } else if ((flags & Qt::ColorMode_Mask) == Qt::ColorOnly) { conv8 = (d == 1); // native depth wanted } else if (d == 1) { - if (image.numColors() == 2) { + if (image.colorCount() == 2) { QRgb c0 = image.color(0); // Auto: convert to best QRgb c1 = image.color(1); conv8 = qMin(c0,c1) != qRgb(0,0,0) || qMax(c0,c1) != qRgb(255,255,255); @@ -484,7 +494,7 @@ void QX11PixmapData::fromImage(const QImage &img, Visual *visual = (Visual *)xinfo.visual(); XImage *xi = 0; bool trucol = (visual->c_class >= TrueColor); - int nbytes = image.numBytes(); + int nbytes = image.byteCount(); uchar *newbits= 0; #ifndef QT_NO_XRENDER @@ -626,7 +636,7 @@ void QX11PixmapData::fromImage(const QImage &img, if (d8) { // setup pixel translation QVector<QRgb> ctable = cimage.colorTable(); - for (int i=0; i < cimage.numColors(); i++) { + for (int i=0; i < cimage.colorCount(); i++) { int r = qRed (ctable[i]); int g = qGreen(ctable[i]); int b = qBlue (ctable[i]); @@ -952,8 +962,8 @@ void QX11PixmapData::fromImage(const QImage &img, if (d == 8 && !trucol) { // 8 bit pixmap int pop[256]; // pixel popularity - if (image.numColors() == 0) - image.setNumColors(1); + if (image.colorCount() == 0) + image.setColorCount(1); const QImage &cimage = image; memset(pop, 0, sizeof(int)*256); // reset popularity array @@ -983,11 +993,11 @@ void QX11PixmapData::fromImage(const QImage &img, int mindist; }; int ncols = 0; - for (int i=0; i< cimage.numColors(); i++) { // compute number of colors + for (int i=0; i< cimage.colorCount(); i++) { // compute number of colors if (pop[i] > 0) ncols++; } - for (int i = cimage.numColors(); i < 256; i++) // ignore out-of-range pixels + for (int i = cimage.colorCount(); i < 256; i++) // ignore out-of-range pixels pop[i] = 0; // works since we make sure above to have at least @@ -1646,7 +1656,7 @@ QImage QX11PixmapData::toImage() const } if (d == 1) { // bitmap - image.setNumColors(2); + image.setColorCount(2); image.setColor(0, qRgb(255,255,255)); image.setColor(1, qRgb(0,0,0)); } else if (!trucol) { // pixmap with colormap @@ -1702,10 +1712,10 @@ QImage QX11PixmapData::toImage() const int trans; if (ncols < 256) { trans = ncols++; - image.setNumColors(ncols); // create color table + image.setColorCount(ncols); // create color table image.setColor(trans, 0x00000000); } else { - image.setNumColors(ncols); // create color table + image.setColorCount(ncols); // create color table // oh dear... no spare "transparent" pixel. // use first pixel in image (as good as any). trans = image.scanLine(0)[0]; @@ -1728,7 +1738,7 @@ QImage QX11PixmapData::toImage() const } } } else { - image.setNumColors(ncols); // create color table + image.setColorCount(ncols); // create color table } QVector<QColor> colors = QColormap::instance(xinfo.screen()).colormap(); int j = 0; @@ -1911,8 +1921,8 @@ QPixmap QX11PixmapData::transformed(const QTransform &transform, free(dptr); return bm; } else { // color pixmap - QPixmap pm; - QX11PixmapData *x11Data = static_cast<QX11PixmapData*>(pm.data.data()); + QX11PixmapData *x11Data = new QX11PixmapData(QPixmapData::PixmapType); + QPixmap pm(x11Data); x11Data->flags &= ~QX11PixmapData::Uninitialized; x11Data->xinfo = xinfo; x11Data->d = d; @@ -1971,6 +1981,9 @@ void QPixmap::x11SetScreen(int screen) return; } + if (isNull()) + return; + if (data->classId() != QPixmapData::X11Class) return; @@ -2073,7 +2086,7 @@ bool QX11PixmapData::hasAlphaChannel() const const QX11Info &QPixmap::x11Info() const { - if (data->classId() == QPixmapData::X11Class) + if (data && data->classId() == QPixmapData::X11Class) return static_cast<QX11PixmapData*>(data.data())->xinfo; else { static QX11Info nullX11Info; @@ -2130,7 +2143,7 @@ QPaintEngine* QX11PixmapData::paintEngine() const Qt::HANDLE QPixmap::x11PictureHandle() const { #ifndef QT_NO_XRENDER - if (data->classId() == QPixmapData::X11Class) + if (data && data->classId() == QPixmapData::X11Class) return static_cast<const QX11PixmapData*>(data.data())->picture; else return 0; diff --git a/src/gui/image/qpixmap_x11_p.h b/src/gui/image/qpixmap_x11_p.h index e34e690c67..8ce7c0d053 100644 --- a/src/gui/image/qpixmap_x11_p.h +++ b/src/gui/image/qpixmap_x11_p.h @@ -71,6 +71,8 @@ public: // Qt::ImageConversionFlags flags); ~QX11PixmapData(); + QPixmapData *createCompatiblePixmapData() const; + void resize(int width, int height); void fromImage(const QImage &image, Qt::ImageConversionFlags flags); void copy(const QPixmapData *data, const QRect &rect); @@ -101,6 +103,7 @@ private: friend class QRasterWindowSurface; friend class QGLContextPrivate; // Needs to access xinfo, gl_surface & flags friend class QEglContext; // Needs gl_surface + friend class QX11GLPixmapData; // Needs gl_surface friend bool qt_createEGLSurfaceForPixmap(QPixmapData*, bool); // Needs gl_surface void release(); diff --git a/src/gui/image/qpixmapcache.cpp b/src/gui/image/qpixmapcache.cpp index f12d3976b6..b0b7d728fe 100644 --- a/src/gui/image/qpixmapcache.cpp +++ b/src/gui/image/qpixmapcache.cpp @@ -221,6 +221,7 @@ QPMCache::QPMCache() } QPMCache::~QPMCache() { + clear(); free(keyArray); } diff --git a/src/gui/image/qpixmapdata.cpp b/src/gui/image/qpixmapdata.cpp index 93fc2ebe21..38f6b5d550 100644 --- a/src/gui/image/qpixmapdata.cpp +++ b/src/gui/image/qpixmapdata.cpp @@ -43,12 +43,27 @@ #include <QtCore/qbuffer.h> #include <QtGui/qbitmap.h> #include <QtGui/qimagereader.h> +#include <private/qgraphicssystem_p.h> +#include <private/qapplication_p.h> QT_BEGIN_NAMESPACE const uchar qt_pixmap_bit_mask[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }; +QPixmapData *QPixmapData::create(int w, int h, PixelType type) +{ + QPixmapData *data; + QGraphicsSystem* gs = QApplicationPrivate::graphicsSystem(); + if (gs) + data = gs->createPixmapData(static_cast<QPixmapData::PixelType>(type)); + else + data = QGraphicsSystem::createDefaultPixmapData(static_cast<QPixmapData::PixelType>(type)); + data->resize(w, h); + return data; +} + + QPixmapData::QPixmapData(PixelType pixelType, int objectId) : w(0), h(0), @@ -67,6 +82,17 @@ QPixmapData::~QPixmapData() { } +QPixmapData *QPixmapData::createCompatiblePixmapData() const +{ + QPixmapData *d; + QGraphicsSystem *gs = QApplicationPrivate::graphicsSystem(); + if (gs) + d = gs->createPixmapData(pixelType()); + else + d = QGraphicsSystem::createDefaultPixmapData(pixelType()); + return d; +} + static QImage makeBitmapCompliantIfNeeded(QPixmapData *d, const QImage &image, Qt::ImageConversionFlags flags) { if (d->pixelType() == QPixmapData::BitmapType) { @@ -175,7 +201,7 @@ QBitmap QPixmapData::mask() const if (mask.isNull()) // allocation failed return QBitmap(); - mask.setNumColors(2); + mask.setColorCount(2); mask.setColor(0, QColor(Qt::color0).rgba()); mask.setColor(1, QColor(Qt::color1).rgba()); diff --git a/src/gui/image/qpixmapdata_p.h b/src/gui/image/qpixmapdata_p.h index c26fba35d5..41e29230f1 100644 --- a/src/gui/image/qpixmapdata_p.h +++ b/src/gui/image/qpixmapdata_p.h @@ -75,9 +75,11 @@ public: enum ClassId { RasterClass, X11Class, MacClass, DirectFBClass, OpenGLClass, OpenVGClass, CustomClass = 1024 }; - QPixmapData(PixelType pixelpType, int classId); + QPixmapData(PixelType pixelType, int classId); virtual ~QPixmapData(); + virtual QPixmapData *createCompatiblePixmapData() const; + virtual void resize(int width, int height) = 0; virtual void fromImage(const QImage &image, Qt::ImageConversionFlags flags) = 0; @@ -111,7 +113,8 @@ public: inline int width() const { return w; } inline int height() const { return h; } - inline int numColors() const { return metric(QPaintDevice::PdmNumColors); } + QT_DEPRECATED inline int numColors() const { return metric(QPaintDevice::PdmNumColors); } + inline int colorCount() const { return metric(QPaintDevice::PdmNumColors); } inline int depth() const { return d; } inline bool isNull() const { return is_null; } @@ -120,6 +123,8 @@ public: virtual void fromNativeType(void* pixmap, NativeType type); #endif + static QPixmapData *create(int w, int h, PixelType type); + protected: void setSerialNumber(int serNo); int w; @@ -129,12 +134,11 @@ protected: private: friend class QPixmap; - friend class QGLContextPrivate; friend class QX11PixmapData; friend class QS60PixmapData; + friend class QImagePixmapCleanupHooks; // Needs to set is_cached friend class QGLTextureCache; //Needs to check the reference count friend class QExplicitlySharedDataPointer<QPixmapData>; - friend bool qt_createEGLSurfaceForPixmap(QPixmapData*, bool); // Needs to set is_cached QAtomicInt ref; int detach_no; diff --git a/src/gui/image/qpixmapfilter.cpp b/src/gui/image/qpixmapfilter.cpp index df445db53a..3723500cd9 100644 --- a/src/gui/image/qpixmapfilter.cpp +++ b/src/gui/image/qpixmapfilter.cpp @@ -53,6 +53,7 @@ #include "private/qpaintengineex_p.h" #include "private/qpaintengine_raster_p.h" +#ifndef QT_NO_GRAPHICSEFFECT QT_BEGIN_NAMESPACE class QPixmapFilterPrivate : public QObjectPrivate @@ -489,7 +490,7 @@ void QPixmapConvolutionFilter::draw(QPainter *painter, const QPointF &p, const Q which is applied when \l{QPixmapFilter::}{draw()} is called. The filter lets you specialize the radius of the blur as well - as hint as to whether to prefer performance or quality. + as hints as to whether to prefer performance or quality. By default, the blur effect is produced by applying an exponential filter generated from the specified blurRadius(). Paint engines @@ -504,10 +505,10 @@ void QPixmapConvolutionFilter::draw(QPainter *painter, const QPointF &p, const Q class QPixmapBlurFilterPrivate : public QPixmapFilterPrivate { public: - QPixmapBlurFilterPrivate() : radius(5), hint(Qt::PerformanceHint) {} + QPixmapBlurFilterPrivate() : radius(5), hints(QGraphicsBlurEffect::PerformanceHint) {} - int radius; - Qt::RenderHint hint; + qreal radius; + QGraphicsBlurEffect::BlurHints hints; }; @@ -535,7 +536,7 @@ QPixmapBlurFilter::~QPixmapBlurFilter() \internal */ -void QPixmapBlurFilter::setRadius(int radius) +void QPixmapBlurFilter::setRadius(qreal radius) { Q_D(QPixmapBlurFilter); d->radius = radius; @@ -546,36 +547,42 @@ void QPixmapBlurFilter::setRadius(int radius) \internal */ -int QPixmapBlurFilter::radius() const +qreal QPixmapBlurFilter::radius() const { Q_D(const QPixmapBlurFilter); return d->radius; } /*! - Setting the blur hint to PerformanceHint causes the implementation + Setting the blur hints to PerformanceHint causes the implementation to trade off visual quality to blur the image faster. Setting the - blur hint to QualityHint causes the implementation to improve - visual quality at the expense of speed. The implementation is free - to ignore this value if it only has a single blur algorithm. + blur hints to QualityHint causes the implementation to improve + visual quality at the expense of speed. + + AnimationHint causes the implementation to optimize for animating + the blur radius, possibly by caching blurred versions of the source + pixmap. + + The implementation is free to ignore this value if it only has a single + blur algorithm. \internal */ -void QPixmapBlurFilter::setBlurHint(Qt::RenderHint hint) +void QPixmapBlurFilter::setBlurHints(QGraphicsBlurEffect::BlurHints hints) { Q_D(QPixmapBlurFilter); - d->hint = hint; + d->hints = hints; } /*! - Gets the blur hint of the blur filter. + Gets the blur hints of the blur filter. \internal */ -Qt::RenderHint QPixmapBlurFilter::blurHint() const +QGraphicsBlurEffect::BlurHints QPixmapBlurFilter::blurHints() const { Q_D(const QPixmapBlurFilter); - return d->hint; + return d->hints; } /*! @@ -584,14 +591,14 @@ Qt::RenderHint QPixmapBlurFilter::blurHint() const QRectF QPixmapBlurFilter::boundingRectFor(const QRectF &rect) const { Q_D(const QPixmapBlurFilter); - const qreal delta = d->radius * 2; + const qreal delta = d->radius + 1; return rect.adjusted(-delta, -delta, delta, delta); } // Blur the image according to the blur radius // Based on exponential blur algorithm by Jani Huhtanen // (maximum radius is set to 16) -static QImage blurred(const QImage& image, const QRect& rect, int radius) +static QImage blurred(const QImage& image, const QRect& rect, int radius, bool alphaOnly = false) { int tab[] = { 14, 10, 8, 6, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2 }; int alpha = (radius < 1) ? 16 : (radius > 17) ? 1 : tab[radius-1]; @@ -606,47 +613,53 @@ static QImage blurred(const QImage& image, const QRect& rect, int radius) int rgba[4]; unsigned char* p; + int i1 = 0; + int i2 = 3; + + if (alphaOnly) + i1 = i2 = (QSysInfo::ByteOrder == QSysInfo::BigEndian ? 0 : 3); + for (int col = c1; col <= c2; col++) { p = result.scanLine(r1) + col * 4; - for (int i = 0; i < 4; i++) + for (int i = i1; i <= i2; i++) rgba[i] = p[i] << 4; p += bpl; for (int j = r1; j < r2; j++, p += bpl) - for (int i = 0; i < 4; i++) + for (int i = i1; i <= i2; i++) p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4; } for (int row = r1; row <= r2; row++) { p = result.scanLine(row) + c1 * 4; - for (int i = 0; i < 4; i++) + for (int i = i1; i <= i2; i++) rgba[i] = p[i] << 4; p += 4; for (int j = c1; j < c2; j++, p += 4) - for (int i = 0; i < 4; i++) + for (int i = i1; i <= i2; i++) p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4; } for (int col = c1; col <= c2; col++) { p = result.scanLine(r2) + col * 4; - for (int i = 0; i < 4; i++) + for (int i = i1; i <= i2; i++) rgba[i] = p[i] << 4; p -= bpl; for (int j = r1; j < r2; j++, p -= bpl) - for (int i = 0; i < 4; i++) + for (int i = i1; i <= i2; i++) p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4; } for (int row = r1; row <= r2; row++) { p = result.scanLine(row) + c2 * 4; - for (int i = 0; i < 4; i++) + for (int i = i1; i <= i2; i++) rgba[i] = p[i] << 4; p -= 4; for (int j = c1; j < c2; j++, p -= 4) - for (int i = 0; i < 4; i++) + for (int i = i1; i <= i2; i++) p[i] = (rgba[i] += ((p[i] << 4) - rgba[i]) * alpha / 16) >> 4; } @@ -662,7 +675,7 @@ void QPixmapBlurFilter::draw(QPainter *painter, const QPointF &p, const QPixmap if (!painter->isActive()) return; - if (d->radius == 0) { + if (d->radius <= 0) { painter->drawPixmap(srcRect.translated(p), src, srcRect); return; } @@ -672,7 +685,7 @@ void QPixmapBlurFilter::draw(QPainter *painter, const QPointF &p, const QPixmap QPixmapBlurFilter *blurFilter = static_cast<QPixmapBlurFilter*>(filter); if (blurFilter) { blurFilter->setRadius(d->radius); - blurFilter->setBlurHint(d->hint); + blurFilter->setBlurHints(d->hints); blurFilter->draw(painter, p, src, srcRect); return; } @@ -682,12 +695,12 @@ void QPixmapBlurFilter::draw(QPainter *painter, const QPointF &p, const QPixmap if (srcRect.isNull()) { srcImage = src.toImage(); - destImage = blurred(srcImage, srcImage.rect(), d->radius); + destImage = blurred(srcImage, srcImage.rect(), qRound(d->radius)); } else { QRect rect = srcRect.toAlignedRect().intersected(src.rect()); srcImage = src.copy(rect).toImage(); - destImage = blurred(srcImage, srcImage.rect(), d->radius); + destImage = blurred(srcImage, srcImage.rect(), qRound(d->radius)); } painter->drawImage(p, destImage); @@ -892,11 +905,11 @@ class QPixmapDropShadowFilterPrivate : public QPixmapFilterPrivate { public: QPixmapDropShadowFilterPrivate() - : offset(8, 8), color(63, 63, 63, 180), blurFilter(new QPixmapBlurFilter) {} + : offset(8, 8), color(63, 63, 63, 180), radius(1) {} QPointF offset; QColor color; - QPixmapBlurFilter *blurFilter; + qreal radius; }; /*! @@ -940,8 +953,6 @@ public: QPixmapDropShadowFilter::QPixmapDropShadowFilter(QObject *parent) : QPixmapFilter(*new QPixmapDropShadowFilterPrivate, DropShadowFilter, parent) { - Q_D(QPixmapDropShadowFilter); - d->blurFilter->setRadius(1); } /*! @@ -951,8 +962,6 @@ QPixmapDropShadowFilter::QPixmapDropShadowFilter(QObject *parent) */ QPixmapDropShadowFilter::~QPixmapDropShadowFilter() { - Q_D(QPixmapDropShadowFilter); - delete d->blurFilter; } /*! @@ -964,10 +973,10 @@ QPixmapDropShadowFilter::~QPixmapDropShadowFilter() \internal */ -int QPixmapDropShadowFilter::blurRadius() const +qreal QPixmapDropShadowFilter::blurRadius() const { Q_D(const QPixmapDropShadowFilter); - return d->blurFilter->radius(); + return d->radius; } /*! @@ -979,10 +988,10 @@ int QPixmapDropShadowFilter::blurRadius() const \internal */ -void QPixmapDropShadowFilter::setBlurRadius(int radius) +void QPixmapDropShadowFilter::setBlurRadius(qreal radius) { Q_D(QPixmapDropShadowFilter); - d->blurFilter->setRadius(radius); + d->radius = radius; } /*! @@ -1055,14 +1064,7 @@ void QPixmapDropShadowFilter::setOffset(const QPointF &offset) QRectF QPixmapDropShadowFilter::boundingRectFor(const QRectF &rect) const { Q_D(const QPixmapDropShadowFilter); - - const qreal delta = qreal(d->blurFilter->radius() * 2); - qreal x1 = qMin(rect.left(), rect.left() + d->offset.x() - delta); - qreal y1 = qMin(rect.top(), rect.top() + d->offset.y() - delta); - qreal x2 = qMax(rect.right(), rect.right() + d->offset.x() + delta); - qreal y2 = qMax(rect.bottom(), rect.bottom() + d->offset.y() + delta); - - return QRectF(x1, y1, x2 - x1, y2 - y1); + return rect.united(rect.translated(d->offset).adjusted(-d->radius, -d->radius, d->radius, d->radius)); } /*! @@ -1079,27 +1081,35 @@ void QPixmapDropShadowFilter::draw(QPainter *p, QPixmapDropShadowFilter *dropShadowFilter = static_cast<QPixmapDropShadowFilter*>(filter); if (dropShadowFilter) { dropShadowFilter->setColor(d->color); - dropShadowFilter->setBlurRadius(d->blurFilter->radius()); + dropShadowFilter->setBlurRadius(d->radius); dropShadowFilter->setOffset(d->offset); dropShadowFilter->draw(p, pos, px, src); return; } - QImage tmp = src.isNull() ? px.toImage() : px.copy(src.toRect()).toImage(); + QImage tmp(px.size(), QImage::Format_ARGB32_Premultiplied); + tmp.fill(0); QPainter tmpPainter(&tmp); + tmpPainter.setCompositionMode(QPainter::CompositionMode_Source); + tmpPainter.drawPixmap(d->offset, px); + tmpPainter.end(); + + // blur the alpha channel + tmp = blurred(tmp, tmp.rect(), qRound(d->radius), true); // blacken the image... + tmpPainter.begin(&tmp); tmpPainter.setCompositionMode(QPainter::CompositionMode_SourceIn); - tmpPainter.fillRect(0, 0, tmp.width(), tmp.height(), d->color); + tmpPainter.fillRect(tmp.rect(), d->color); tmpPainter.end(); - const QPixmap pixTmp = QPixmap::fromImage(tmp); - // draw the blurred drop shadow... - d->blurFilter->draw(p, pos + d->offset, pixTmp); + p->drawImage(pos, tmp); // Draw the actual pixmap... p->drawPixmap(pos, px, src); } QT_END_NAMESPACE + +#endif //QT_NO_GRAPHICSEFFECT diff --git a/src/gui/image/qpixmapfilter_p.h b/src/gui/image/qpixmapfilter_p.h index 8a2207aa53..46e744e729 100644 --- a/src/gui/image/qpixmapfilter_p.h +++ b/src/gui/image/qpixmapfilter_p.h @@ -55,7 +55,9 @@ #include <QtCore/qnamespace.h> #include <QtGui/qpixmap.h> +#include <QtGui/qgraphicseffect.h> +#ifndef QT_NO_GRAPHICSEFFECT QT_BEGIN_HEADER QT_BEGIN_NAMESPACE @@ -129,11 +131,11 @@ public: QPixmapBlurFilter(QObject *parent = 0); ~QPixmapBlurFilter(); - void setRadius(int radius); - void setBlurHint(Qt::RenderHint hint); + void setRadius(qreal radius); + void setBlurHints(QGraphicsBlurEffect::BlurHints hints); - int radius() const; - Qt::RenderHint blurHint() const; + qreal radius() const; + QGraphicsBlurEffect::BlurHints blurHints() const; QRectF boundingRectFor(const QRectF &rect) const; void draw(QPainter *painter, const QPointF &dest, const QPixmap &src, const QRectF &srcRect = QRectF()) const; @@ -175,8 +177,8 @@ public: QRectF boundingRectFor(const QRectF &rect) const; void draw(QPainter *p, const QPointF &pos, const QPixmap &px, const QRectF &src = QRectF()) const; - int blurRadius() const; - void setBlurRadius(int radius); + qreal blurRadius() const; + void setBlurRadius(qreal radius); QColor color() const; void setColor(const QColor &color); @@ -190,4 +192,5 @@ QT_END_NAMESPACE QT_END_HEADER +#endif //QT_NO_GRAPHICSEFFECT #endif // QPIXMAPFILTER_H diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp index 44d689d80f..14c863b2e3 100644 --- a/src/gui/image/qpnghandler.cpp +++ b/src/gui/image/qpnghandler.cpp @@ -171,7 +171,7 @@ void setup_qt(QImage& image, png_structp png_ptr, png_infop info_ptr, float scre if (image.isNull()) return; } - image.setNumColors(2); + image.setColorCount(2); image.setColor(1, qRgb(0,0,0)); image.setColor(0, qRgb(255,255,255)); } else if (bit_depth == 16 && png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) { @@ -199,7 +199,7 @@ void setup_qt(QImage& image, png_structp png_ptr, png_infop info_ptr, float scre if (image.isNull()) return; } - image.setNumColors(ncols); + image.setColorCount(ncols); for (int i=0; i<ncols; i++) { int c = i*255/(ncols-1); image.setColor(i, qRgba(c,c,c,0xff)); @@ -230,7 +230,7 @@ void setup_qt(QImage& image, png_structp png_ptr, png_infop info_ptr, float scre if (image.isNull()) return; } - image.setNumColors(info_ptr->num_palette); + image.setColorCount(info_ptr->num_palette); int i = 0; if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) { while (i < info_ptr->num_trans) { @@ -508,7 +508,7 @@ bool Q_INTERNAL_WIN_NO_THROW QPngHandlerPrivate::readPngImage(QImage *outImage) // sanity check palette entries if (color_type == PNG_COLOR_TYPE_PALETTE && outImage->format() == QImage::Format_Indexed8) { - int color_table_size = outImage->numColors(); + int color_table_size = outImage->colorCount(); for (int y=0; y<(int)height; ++y) { uchar *p = outImage->scanLine(y); uchar *end = p + width; @@ -762,9 +762,9 @@ bool Q_INTERNAL_WIN_NO_THROW QPNGImageWriter::writeImage(const QImage& image_in, png_colorp palette = 0; png_bytep copy_trans = 0; - if (image.numColors()) { + if (image.colorCount()) { // Paletted - int num_palette = image.numColors(); + int num_palette = image.colorCount(); palette = new png_color[num_palette]; png_set_PLTE(png_ptr, info_ptr, palette, num_palette); int* trans = new int[num_palette]; diff --git a/src/gui/image/qppmhandler.cpp b/src/gui/image/qppmhandler.cpp index 28e4a2ac25..8ec9efbe08 100644 --- a/src/gui/image/qppmhandler.cpp +++ b/src/gui/image/qppmhandler.cpp @@ -242,11 +242,11 @@ static bool read_pbm_body(QIODevice *device, char type, int w, int h, int mcc, Q } if (nbits == 1) { // bitmap - outImage->setNumColors(2); + outImage->setColorCount(2); outImage->setColor(0, qRgb(255,255,255)); // white outImage->setColor(1, qRgb(0,0,0)); // black } else if (nbits == 8) { // graymap - outImage->setNumColors(maxc+1); + outImage->setColorCount(maxc+1); for (int i=0; i<=maxc; i++) outImage->setColor(i, qRgb(i*255/maxc,i*255/maxc,i*255/maxc)); } @@ -287,7 +287,7 @@ static bool write_pbm_image(QIODevice *out, const QImage &sourceImage, const QBy } } - if (image.depth() == 1 && image.numColors() == 2) { + if (image.depth() == 1 && image.colorCount() == 2) { if (qGray(image.color(0)) < qGray(image.color(1))) { // 0=dark/black, 1=light/white - invert image.detach(); diff --git a/src/gui/image/qxbmhandler.cpp b/src/gui/image/qxbmhandler.cpp index 1c74351ee0..0d76ea0910 100644 --- a/src/gui/image/qxbmhandler.cpp +++ b/src/gui/image/qxbmhandler.cpp @@ -135,7 +135,7 @@ static bool read_xbm_body(QIODevice *device, int w, int h, QImage *outImage) return false; } - outImage->setNumColors(2); + outImage->setColorCount(2); outImage->setColor(0, qRgb(255,255,255)); // white outImage->setColor(1, qRgb(0,0,0)); // black diff --git a/src/gui/image/qxpmhandler.cpp b/src/gui/image/qxpmhandler.cpp index 4bdd16eeee..ac4711a66e 100644 --- a/src/gui/image/qxpmhandler.cpp +++ b/src/gui/image/qxpmhandler.cpp @@ -895,7 +895,7 @@ static bool read_xpm_body( if (image.isNull()) return false; } - image.setNumColors(ncols); + image.setColorCount(ncols); } QMap<quint64, int> colorMap; |