/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtGui module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#include "qpixmap.h" | |
#include "qimage.h" | |
#include "qapplication.h" | |
#include "qbitmap.h" | |
#include "qmatrix.h" | |
#include "qtransform.h" | |
#include "qlibrary.h" | |
#include "qvarlengtharray.h" | |
#include "qdebug.h" | |
#include <private/qdrawhelper_p.h> | |
#include <private/qpixmap_mac_p.h> | |
#include <private/qpixmap_raster_p.h> | |
#include <private/qpaintengine_mac_p.h> | |
#include <private/qt_mac_p.h> | |
#include <private/qt_cocoa_helpers_mac_p.h> | |
#include <limits.h> | |
#include <string.h> | |
QT_BEGIN_NAMESPACE | |
/***************************************************************************** | |
Externals | |
*****************************************************************************/ | |
extern const uchar *qt_get_bitflip_array(); //qimage.cpp | |
extern CGContextRef qt_mac_cg_context(const QPaintDevice *pdev); //qpaintdevice_mac.cpp | |
extern RgnHandle qt_mac_get_rgn(); //qregion_mac.cpp | |
extern void qt_mac_dispose_rgn(RgnHandle r); //qregion_mac.cpp | |
extern QRegion qt_mac_convert_mac_region(RgnHandle rgn); //qregion_mac.cpp | |
static int qt_pixmap_serial = 0; | |
Q_GUI_EXPORT quint32 *qt_mac_pixmap_get_base(const QPixmap *pix) | |
{ | |
return static_cast<QMacPixmapData*>(pix->data.data())->pixels; | |
} | |
Q_GUI_EXPORT int qt_mac_pixmap_get_bytes_per_line(const QPixmap *pix) | |
{ | |
return static_cast<QMacPixmapData*>(pix->data.data())->bytesPerRow; | |
} | |
void qt_mac_cgimage_data_free(void *info, const void *memoryToFree, size_t) | |
{ | |
QMacPixmapData *pmdata = static_cast<QMacPixmapData *>(info); | |
if (!pmdata) { | |
free(const_cast<void *>(memoryToFree)); | |
} else { | |
if (QMacPixmapData::validDataPointers.contains(pmdata) == false) { | |
free(const_cast<void *>(memoryToFree)); | |
return; | |
} | |
if (pmdata->pixels == pmdata->pixelsToFree) { | |
// something we aren't expecting, just free it. | |
Q_ASSERT(memoryToFree != pmdata->pixelsToFree); | |
free(const_cast<void *>(memoryToFree)); | |
} else { | |
free(pmdata->pixelsToFree); | |
pmdata->pixelsToFree = static_cast<quint32 *>(const_cast<void *>(memoryToFree)); | |
} | |
pmdata->cg_dataBeingReleased = 0; | |
} | |
} | |
CGImageRef qt_mac_image_to_cgimage(const QImage &image) | |
{ | |
int bitsPerColor = 8; | |
int bitsPerPixel = 32; | |
if (image.depth() == 1) { | |
bitsPerColor = 1; | |
bitsPerPixel = 1; | |
} | |
QCFType<CGDataProviderRef> provider = | |
CGDataProviderCreateWithData(0, image.bits(), image.bytesPerLine() * image.height(), | |
0); | |
uint cgflags = kCGImageAlphaPremultipliedFirst; | |
#ifdef kCGBitmapByteOrder32Host //only needed because CGImage.h added symbols in the minor version | |
cgflags |= kCGBitmapByteOrder32Host; | |
#endif | |
CGImageRef cgImage = CGImageCreate(image.width(), image.height(), bitsPerColor, bitsPerPixel, | |
image.bytesPerLine(), | |
QCoreGraphicsPaintEngine::macGenericColorSpace(), | |
cgflags, provider, | |
0, | |
0, | |
kCGRenderingIntentDefault); | |
return cgImage; | |
} | |
/***************************************************************************** | |
QPixmap member functions | |
*****************************************************************************/ | |
static inline QRgb qt_conv16ToRgb(ushort c) { | |
static const int qt_rbits = (565/100); | |
static const int qt_gbits = (565/10%10); | |
static const int qt_bbits = (565%10); | |
static const int qt_red_shift = qt_bbits+qt_gbits-(8-qt_rbits); | |
static const int qt_green_shift = qt_bbits-(8-qt_gbits); | |
static const int qt_neg_blue_shift = 8-qt_bbits; | |
static const int qt_blue_mask = (1<<qt_bbits)-1; | |
static const int qt_green_mask = (1<<(qt_gbits+qt_bbits))-((1<<qt_bbits)-1); | |
static const int qt_red_mask = (1<<(qt_rbits+qt_gbits+qt_bbits))-(1<<(qt_gbits+qt_bbits)); | |
const int r=(c & qt_red_mask); | |
const int g=(c & qt_green_mask); | |
const int b=(c & qt_blue_mask); | |
const int tr = r >> qt_red_shift; | |
const int tg = g >> qt_green_shift; | |
const int tb = b << qt_neg_blue_shift; | |
return qRgb(tr,tg,tb); | |
} | |
QSet<QMacPixmapData*> QMacPixmapData::validDataPointers; | |
QMacPixmapData::QMacPixmapData(PixelType type) | |
: QPixmapData(type, MacClass), has_alpha(0), has_mask(0), | |
uninit(true), pixels(0), pixelsSize(0), pixelsToFree(0), | |
bytesPerRow(0), cg_data(0), cg_dataBeingReleased(0), cg_mask(0), | |
pengine(0) | |
{ | |
} | |
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)) | |
void QMacPixmapData::resize(int width, int height) | |
{ | |
setSerialNumber(++qt_pixmap_serial); | |
w = width; | |
h = height; | |
is_null = (w <= 0 || h <= 0); | |
d = (pixelType() == BitmapType ? 1 : 32); | |
bool make_null = w <= 0 || h <= 0; // create null pixmap | |
if (make_null || d == 0) { | |
w = 0; | |
h = 0; | |
is_null = true; | |
d = 0; | |
if (!make_null) | |
qWarning("Qt: QPixmap: Invalid pixmap parameters"); | |
return; | |
} | |
if (w < 1 || h < 1) | |
return; | |
//create the pixels | |
bytesPerRow = w * sizeof(quint32); // Minimum bytes per row. | |
// Quartz2D likes things as a multple of 16 (for now). | |
bytesPerRow = COMPTUE_BEST_BYTES_PER_ROW(bytesPerRow); | |
macCreatePixels(); | |
} | |
#undef COMPUTE_BEST_BYTES_PER_ROW | |
void QMacPixmapData::fromImage(const QImage &img, | |
Qt::ImageConversionFlags flags) | |
{ | |
setSerialNumber(++qt_pixmap_serial); | |
// the conversion code only handles format >= | |
// Format_ARGB32_Premultiplied at the moment.. | |
if (img.format() > QImage::Format_ARGB32_Premultiplied) { | |
QImage image; | |
if (img.hasAlphaChannel()) | |
image = img.convertToFormat(QImage::Format_ARGB32_Premultiplied); | |
else | |
image = img.convertToFormat(QImage::Format_RGB32); | |
fromImage(image, flags); | |
return; | |
} | |
w = img.width(); | |
h = img.height(); | |
is_null = (w <= 0 || h <= 0); | |
d = (pixelType() == BitmapType ? 1 : img.depth()); | |
QImage image = img; | |
int dd = QPixmap::defaultDepth(); | |
bool force_mono = (dd == 1 || | |
(flags & Qt::ColorMode_Mask)==Qt::MonoOnly); | |
if (force_mono) { // must be monochrome | |
if (d != 1) { | |
image = image.convertToFormat(QImage::Format_MonoLSB, flags); // dither | |
d = 1; | |
} | |
} else { // can be both | |
bool conv8 = false; | |
if(d > 8 && dd <= 8) { // convert to 8 bit | |
if ((flags & Qt::DitherMode_Mask) == Qt::AutoDither) | |
flags = (flags & ~Qt::DitherMode_Mask) | |
| Qt::PreferDither; | |
conv8 = true; | |
} else if ((flags & Qt::ColorMode_Mask) == Qt::ColorOnly) { | |
conv8 = d == 1; // native depth wanted | |
} else if (d == 1) { | |
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); | |
} else { | |
// eg. 1-color monochrome images (they do exist). | |
conv8 = true; | |
} | |
} | |
if (conv8) { | |
image = image.convertToFormat(QImage::Format_Indexed8, flags); | |
d = 8; | |
} | |
} | |
if (image.depth()==1) { | |
image.setColor(0, QColor(Qt::color0).rgba()); | |
image.setColor(1, QColor(Qt::color1).rgba()); | |
} | |
if (d == 16 || d == 24) { | |
image = image.convertToFormat(QImage::Format_RGB32, flags); | |
fromImage(image, flags); | |
return; | |
} | |
// different size or depth, make a new pixmap | |
resize(w, h); | |
quint32 *dptr = pixels, *drow; | |
const uint dbpr = bytesPerRow; | |
const QImage::Format sfmt = image.format(); | |
const unsigned short sbpr = image.bytesPerLine(); | |
// use const_cast to prevent a detach | |
const uchar *sptr = const_cast<const QImage &>(image).bits(), *srow; | |
for (int y = 0; y < h; ++y) { | |
drow = dptr + (y * (dbpr / 4)); | |
srow = sptr + (y * sbpr); | |
switch(sfmt) { | |
case QImage::Format_MonoLSB: | |
case QImage::Format_Mono:{ | |
for (int x = 0; x < w; ++x) { | |
char one_bit = *(srow + (x / 8)); | |
if (sfmt == QImage::Format_Mono) | |
one_bit = one_bit >> (7 - (x % 8)); | |
else | |
one_bit = one_bit >> (x % 8); | |
if ((one_bit & 0x01)) | |
*(drow+x) = 0xFF000000; | |
else | |
*(drow+x) = 0xFFFFFFFF; | |
} | |
break; | |
} | |
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; | |
case QImage::Format_RGB32: | |
for (int x = 0; x < w; ++x) | |
*(drow+x) = *(((quint32*)srow) + x) | 0xFF000000; | |
break; | |
case QImage::Format_ARGB32: | |
case QImage::Format_ARGB32_Premultiplied: | |
for (int x = 0; x < w; ++x) { | |
if(sfmt == QImage::Format_RGB32) | |
*(drow+x) = 0xFF000000 | (*(((quint32*)srow) + x) & 0x00FFFFFF); | |
else if(sfmt == QImage::Format_ARGB32_Premultiplied) | |
*(drow+x) = *(((quint32*)srow) + x); | |
else | |
*(drow+x) = PREMUL(*(((quint32*)srow) + x)); | |
} | |
break; | |
default: | |
qWarning("Qt: internal: Oops: Forgot a format [%d] %s:%d", sfmt, | |
__FILE__, __LINE__); | |
break; | |
} | |
} | |
if (sfmt != QImage::Format_RGB32) { //setup the alpha | |
bool alphamap = image.depth() == 32; | |
if (sfmt == QImage::Format_Indexed8) { | |
const QVector<QRgb> rgb = image.colorTable(); | |
for (int i = 0, count = image.colorCount(); i < count; ++i) { | |
const int alpha = qAlpha(rgb[i]); | |
if (alpha != 0xff) { | |
alphamap = true; | |
break; | |
} | |
} | |
} | |
macSetHasAlpha(alphamap); | |
} | |
uninit = false; | |
} | |
int get_index(QImage * qi,QRgb mycol) | |
{ | |
int loopc; | |
for(loopc=0;loopc<qi->colorCount();loopc++) { | |
if(qi->color(loopc)==mycol) | |
return loopc; | |
} | |
qi->setColorCount(qi->colorCount()+1); | |
qi->setColor(qi->colorCount(),mycol); | |
return qi->colorCount(); | |
} | |
QImage QMacPixmapData::toImage() const | |
{ | |
QImage::Format format = QImage::Format_MonoLSB; | |
if (d != 1) //Doesn't support index color modes | |
format = (has_alpha ? QImage::Format_ARGB32_Premultiplied : | |
QImage::Format_RGB32); | |
QImage image(w, h, format); | |
quint32 *sptr = pixels, *srow; | |
const uint sbpr = bytesPerRow; | |
if (format == QImage::Format_MonoLSB) { | |
image.fill(0); | |
image.setColorCount(2); | |
image.setColor(0, QColor(Qt::color0).rgba()); | |
image.setColor(1, QColor(Qt::color1).rgba()); | |
for (int y = 0; y < h; ++y) { | |
uchar *scanLine = image.scanLine(y); | |
srow = sptr + (y * (sbpr/4)); | |
for (int x = 0; x < w; ++x) { | |
if (!(*(srow + x) & RGB_MASK)) | |
scanLine[x >> 3] |= (1 << (x & 7)); | |
} | |
} | |
} else { | |
for (int y = 0; y < h; ++y) { | |
srow = sptr + (y * (sbpr / 4)); | |
memcpy(image.scanLine(y), srow, w * 4); | |
} | |
} | |
return image; | |
} | |
void QMacPixmapData::fill(const QColor &fillColor) | |
{ | |
{ //we don't know what backend to use so we cannot paint here | |
quint32 *dptr = pixels; | |
Q_ASSERT_X(dptr, "QPixmap::fill", "No dptr"); | |
const quint32 colr = PREMUL(fillColor.rgba()); | |
const int nbytes = bytesPerRow * h; | |
if (!colr) { | |
memset(dptr, 0, nbytes); | |
} else { | |
for (uint i = 0; i < nbytes / sizeof(quint32); ++i) | |
*(dptr + i) = colr; | |
} | |
} | |
macSetHasAlpha(fillColor.alpha() != 255); | |
} | |
QPixmap QMacPixmapData::alphaChannel() const | |
{ | |
if (!has_alpha) | |
return QPixmap(); | |
QMacPixmapData *alpha = new QMacPixmapData(PixmapType); | |
alpha->resize(w, h); | |
macGetAlphaChannel(alpha, false); | |
return QPixmap(alpha); | |
} | |
void QMacPixmapData::setAlphaChannel(const QPixmap &alpha) | |
{ | |
has_mask = true; | |
QMacPixmapData *alphaData = static_cast<QMacPixmapData*>(alpha.data.data()); | |
macSetAlphaChannel(alphaData, false); | |
} | |
QBitmap QMacPixmapData::mask() const | |
{ | |
if (!has_mask && !has_alpha) | |
return QBitmap(); | |
QMacPixmapData *mask = new QMacPixmapData(BitmapType); | |
mask->resize(w, h); | |
macGetAlphaChannel(mask, true); | |
return QPixmap(mask); | |
} | |
void QMacPixmapData::setMask(const QBitmap &mask) | |
{ | |
if (mask.isNull()) { | |
QMacPixmapData opaque(PixmapType); | |
opaque.resize(w, h); | |
opaque.fill(QColor(255, 255, 255, 255)); | |
macSetAlphaChannel(&opaque, true); | |
has_alpha = has_mask = false; | |
return; | |
} | |
has_alpha = false; | |
has_mask = true; | |
QMacPixmapData *maskData = static_cast<QMacPixmapData*>(mask.data.data()); | |
macSetAlphaChannel(maskData, true); | |
} | |
int QMacPixmapData::metric(QPaintDevice::PaintDeviceMetric theMetric) const | |
{ | |
switch (theMetric) { | |
case QPaintDevice::PdmWidth: | |
return w; | |
case QPaintDevice::PdmHeight: | |
return h; | |
case QPaintDevice::PdmWidthMM: | |
return qRound(metric(QPaintDevice::PdmWidth) * 25.4 / qreal(metric(QPaintDevice::PdmDpiX))); | |
case QPaintDevice::PdmHeightMM: | |
return qRound(metric(QPaintDevice::PdmHeight) * 25.4 / qreal(metric(QPaintDevice::PdmDpiY))); | |
case QPaintDevice::PdmNumColors: | |
return 1 << d; | |
case QPaintDevice::PdmDpiX: | |
case QPaintDevice::PdmPhysicalDpiX: { | |
extern float qt_mac_defaultDpi_x(); //qpaintdevice_mac.cpp | |
return int(qt_mac_defaultDpi_x()); | |
} | |
case QPaintDevice::PdmDpiY: | |
case QPaintDevice::PdmPhysicalDpiY: { | |
extern float qt_mac_defaultDpi_y(); //qpaintdevice_mac.cpp | |
return int(qt_mac_defaultDpi_y()); | |
} | |
case QPaintDevice::PdmDepth: | |
return d; | |
default: | |
qWarning("QPixmap::metric: Invalid metric command"); | |
} | |
return 0; | |
} | |
QMacPixmapData::~QMacPixmapData() | |
{ | |
validDataPointers.remove(this); | |
if (cg_mask) { | |
CGImageRelease(cg_mask); | |
cg_mask = 0; | |
} | |
delete pengine; // Make sure we aren't drawing on the context anymore. | |
if (cg_data) { | |
CGImageRelease(cg_data); | |
} else if (!cg_dataBeingReleased && pixels != pixelsToFree) { | |
free(pixels); | |
} | |
free(pixelsToFree); | |
} | |
void QMacPixmapData::macSetAlphaChannel(const QMacPixmapData *pix, bool asMask) | |
{ | |
if (!pixels || !h || !w || pix->w != w || pix->h != h) | |
return; | |
quint32 *dptr = pixels, *drow; | |
const uint dbpr = bytesPerRow; | |
const unsigned short sbpr = pix->bytesPerRow; | |
quint32 *sptr = pix->pixels, *srow; | |
for (int y=0; y < h; ++y) { | |
drow = dptr + (y * (dbpr/4)); | |
srow = sptr + (y * (sbpr/4)); | |
if(d == 1) { | |
for (int x=0; x < w; ++x) { | |
if((*(srow+x) & RGB_MASK)) | |
*(drow+x) = 0xFFFFFFFF; | |
} | |
} else if(d == 8) { | |
for (int x=0; x < w; ++x) | |
*(drow+x) = (*(drow+x) & RGB_MASK) | (*(srow+x) << 24); | |
} else if(asMask) { | |
for (int x=0; x < w; ++x) { | |
if(*(srow+x) & RGB_MASK) | |
*(drow+x) = (*(drow+x) & RGB_MASK); | |
else | |
*(drow+x) = (*(drow+x) & RGB_MASK) | 0xFF000000; | |
*(drow+x) = PREMUL(*(drow+x)); | |
} | |
} else { | |
for (int x=0; x < w; ++x) { | |
const uchar alpha = qGray(qRed(*(srow+x)), qGreen(*(srow+x)), qBlue(*(srow+x))); | |
const uchar destAlpha = qt_div_255(alpha * qAlpha(*(drow+x))); | |
#if 1 | |
*(drow+x) = (*(drow+x) & RGB_MASK) | (destAlpha << 24); | |
#else | |
*(drow+x) = qRgba(qt_div_255(qRed(*(drow+x) * alpha)), | |
qt_div_255(qGreen(*(drow+x) * alpha)), | |
qt_div_255(qBlue(*(drow+x) * alpha)), destAlpha); | |
#endif | |
*(drow+x) = PREMUL(*(drow+x)); | |
} | |
} | |
} | |
macSetHasAlpha(true); | |
} | |
void QMacPixmapData::macGetAlphaChannel(QMacPixmapData *pix, bool asMask) const | |
{ | |
quint32 *dptr = pix->pixels, *drow; | |
const uint dbpr = pix->bytesPerRow; | |
const unsigned short sbpr = bytesPerRow; | |
quint32 *sptr = pixels, *srow; | |
for(int y=0; y < h; ++y) { | |
drow = dptr + (y * (dbpr/4)); | |
srow = sptr + (y * (sbpr/4)); | |
if(asMask) { | |
for (int x = 0; x < w; ++x) { | |
if (*(srow + x) & qRgba(0, 0, 0, 255)) | |
*(drow + x) = 0x00000000; | |
else | |
*(drow + x) = 0xFFFFFFFF; | |
} | |
} else { | |
for (int x = 0; x < w; ++x) { | |
const int alpha = qAlpha(*(srow + x)); | |
*(drow + x) = qRgb(alpha, alpha, alpha); | |
} | |
} | |
} | |
} | |
void QMacPixmapData::macSetHasAlpha(bool b) | |
{ | |
has_alpha = b; | |
macReleaseCGImageRef(); | |
} | |
void QMacPixmapData::macCreateCGImageRef() | |
{ | |
Q_ASSERT(cg_data == 0); | |
//create the cg data | |
CGColorSpaceRef colorspace = QCoreGraphicsPaintEngine::macDisplayColorSpace(); | |
QCFType<CGDataProviderRef> provider = CGDataProviderCreateWithData(this, | |
pixels, bytesPerRow * h, | |
qt_mac_cgimage_data_free); | |
validDataPointers.insert(this); | |
uint cgflags = kCGImageAlphaPremultipliedFirst; | |
#ifdef kCGBitmapByteOrder32Host //only needed because CGImage.h added symbols in the minor version | |
cgflags |= kCGBitmapByteOrder32Host; | |
#endif | |
cg_data = CGImageCreate(w, h, 8, 32, bytesPerRow, colorspace, | |
cgflags, provider, 0, 0, kCGRenderingIntentDefault); | |
} | |
void QMacPixmapData::macReleaseCGImageRef() | |
{ | |
if (!cg_data) | |
return; // There's nothing we need to do | |
cg_dataBeingReleased = cg_data; | |
CGImageRelease(cg_data); | |
cg_data = 0; | |
if (pixels != pixelsToFree) { | |
macCreatePixels(); | |
} else { | |
pixelsToFree = 0; | |
} | |
} | |
// We create our space in memory to paint on here. If we already have existing pixels | |
// copy them over. This is to preserve the fact that CGImageRef's are immutable. | |
void QMacPixmapData::macCreatePixels() | |
{ | |
const int numBytes = bytesPerRow * h; | |
quint32 *base_pixels; | |
if (pixelsToFree && pixelsToFree != pixels) { | |
// Reuse unused block of memory lying around from a previous callback. | |
base_pixels = pixelsToFree; | |
pixelsToFree = 0; | |
} else { | |
// We need a block of memory to do stuff with. | |
base_pixels = static_cast<quint32 *>(malloc(numBytes)); | |
} | |
if (pixels) | |
memcpy(base_pixels, pixels, qMin(pixelsSize, (uint) numBytes)); | |
pixels = base_pixels; | |
pixelsSize = numBytes; | |
} | |
#if 0 | |
QPixmap QMacPixmapData::transformed(const QTransform &transform, | |
Qt::TransformationMode mode) const | |
{ | |
int w, h; // size of target pixmap | |
const int ws = width(); | |
const int hs = height(); | |
QTransform mat(transform.m11(), transform.m12(), | |
transform.m21(), transform.m22(), 0., 0.); | |
if (transform.m12() == 0.0F && transform.m21() == 0.0F && | |
transform.m11() >= 0.0F && transform.m22() >= 0.0F) | |
{ | |
h = int(qAbs(mat.m22()) * hs + 0.9999); | |
w = int(qAbs(mat.m11()) * ws + 0.9999); | |
h = qAbs(h); | |
w = qAbs(w); | |
} else { // rotation or shearing | |
QPolygonF a(QRectF(0,0,ws+1,hs+1)); | |
a = mat.map(a); | |
QRectF r = a.boundingRect().normalized(); | |
w = int(r.width() + 0.9999); | |
h = int(r.height() + 0.9999); | |
} | |
mat = QPixmap::trueMatrix(mat, ws, hs); | |
if (!h || !w) | |
return QPixmap(); | |
// create destination | |
QMacPixmapData *pm = new QMacPixmapData(pixelType(), w, h); | |
const quint32 *sptr = pixels; | |
quint32 *dptr = pm->pixels; | |
memset(dptr, 0, (pm->bytesPerRow * pm->h)); | |
// do the transform | |
if (mode == Qt::SmoothTransformation) { | |
#warning QMacPixmapData::transformed not properly implemented | |
qWarning("QMacPixmapData::transformed not properly implemented"); | |
#if 0 | |
QPainter p(&pm); | |
p.setRenderHint(QPainter::Antialiasing); | |
p.setRenderHint(QPainter::SmoothPixmapTransform); | |
p.setTransform(mat); | |
p.drawPixmap(0, 0, *this); | |
#endif | |
} else { | |
bool invertible; | |
mat = mat.inverted(&invertible); | |
if (!invertible) | |
return QPixmap(); | |
const int bpp = 32; | |
const int xbpl = (w * bpp) / 8; | |
if (!qt_xForm_helper(mat, 0, QT_XFORM_TYPE_MSBFIRST, bpp, | |
(uchar*)dptr, xbpl, (pm->bytesPerRow) - xbpl, | |
h, (uchar*)sptr, (bytesPerRow), ws, hs)) { | |
qWarning("QMacPixmapData::transform(): failure"); | |
return QPixmap(); | |
} | |
} | |
// update the alpha | |
pm->macSetHasAlpha(true); | |
return QPixmap(pm); | |
} | |
#endif | |
QT_BEGIN_INCLUDE_NAMESPACE | |
#include <OpenGL/OpenGL.h> | |
#include <OpenGL/gl.h> | |
QT_END_INCLUDE_NAMESPACE | |
// Load and resolve the symbols we need from OpenGL manually so QtGui doesn't have to link against the OpenGL framework. | |
typedef CGLError (*PtrCGLChoosePixelFormat)(const CGLPixelFormatAttribute *, CGLPixelFormatObj *, long *); | |
typedef CGLError (*PtrCGLClearDrawable)(CGLContextObj); | |
typedef CGLError (*PtrCGLCreateContext)(CGLPixelFormatObj, CGLContextObj, CGLContextObj *); | |
typedef CGLError (*PtrCGLDestroyContext)(CGLContextObj); | |
typedef CGLError (*PtrCGLDestroyPixelFormat)(CGLPixelFormatObj); | |
typedef CGLError (*PtrCGLSetCurrentContext)(CGLContextObj); | |
typedef CGLError (*PtrCGLSetFullScreen)(CGLContextObj); | |
typedef void (*PtrglFinish)(); | |
typedef void (*PtrglPixelStorei)(GLenum, GLint); | |
typedef void (*PtrglReadBuffer)(GLenum); | |
typedef void (*PtrglReadPixels)(GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, GLvoid *); | |
static PtrCGLChoosePixelFormat ptrCGLChoosePixelFormat = 0; | |
static PtrCGLClearDrawable ptrCGLClearDrawable = 0; | |
static PtrCGLCreateContext ptrCGLCreateContext = 0; | |
static PtrCGLDestroyContext ptrCGLDestroyContext = 0; | |
static PtrCGLDestroyPixelFormat ptrCGLDestroyPixelFormat = 0; | |
static PtrCGLSetCurrentContext ptrCGLSetCurrentContext = 0; | |
static PtrCGLSetFullScreen ptrCGLSetFullScreen = 0; | |
static PtrglFinish ptrglFinish = 0; | |
static PtrglPixelStorei ptrglPixelStorei = 0; | |
static PtrglReadBuffer ptrglReadBuffer = 0; | |
static PtrglReadPixels ptrglReadPixels = 0; | |
static bool resolveOpenGLSymbols() | |
{ | |
if (ptrCGLChoosePixelFormat == 0) { | |
QLibrary library(QLatin1String("/System/Library/Frameworks/OpenGL.framework/OpenGL")); | |
ptrCGLChoosePixelFormat = (PtrCGLChoosePixelFormat)(library.resolve("CGLChoosePixelFormat")); | |
ptrCGLClearDrawable = (PtrCGLClearDrawable)(library.resolve("CGLClearDrawable")); | |
ptrCGLCreateContext = (PtrCGLCreateContext)(library.resolve("CGLCreateContext")); | |
ptrCGLDestroyContext = (PtrCGLDestroyContext)(library.resolve("CGLDestroyContext")); | |
ptrCGLDestroyPixelFormat = (PtrCGLDestroyPixelFormat)(library.resolve("CGLDestroyPixelFormat")); | |
ptrCGLSetCurrentContext = (PtrCGLSetCurrentContext)(library.resolve("CGLSetCurrentContext")); | |
ptrCGLSetFullScreen = (PtrCGLSetFullScreen)(library.resolve("CGLSetFullScreen")); | |
ptrglFinish = (PtrglFinish)(library.resolve("glFinish")); | |
ptrglPixelStorei = (PtrglPixelStorei)(library.resolve("glPixelStorei")); | |
ptrglReadBuffer = (PtrglReadBuffer)(library.resolve("glReadBuffer")); | |
ptrglReadPixels = (PtrglReadPixels)(library.resolve("glReadPixels")); | |
} | |
return ptrCGLChoosePixelFormat && ptrCGLClearDrawable && ptrCGLCreateContext | |
&& ptrCGLDestroyContext && ptrCGLDestroyPixelFormat && ptrCGLSetCurrentContext | |
&& ptrCGLSetFullScreen && ptrglFinish && ptrglPixelStorei | |
&& ptrglReadBuffer && ptrglReadPixels; | |
} | |
// Inverts the given pixmap in the y direction. | |
static void qt_mac_flipPixmap(void *data, int rowBytes, int height) | |
{ | |
int bottom = height - 1; | |
void *base = data; | |
void *buffer = malloc(rowBytes); | |
int top = 0; | |
while ( top < bottom ) | |
{ | |
void *topP = (void *)((top * rowBytes) + (intptr_t)base); | |
void *bottomP = (void *)((bottom * rowBytes) + (intptr_t)base); | |
bcopy( topP, buffer, rowBytes ); | |
bcopy( bottomP, topP, rowBytes ); | |
bcopy( buffer, bottomP, rowBytes ); | |
++top; | |
--bottom; | |
} | |
free(buffer); | |
} | |
// Grabs displayRect from display and places it into buffer. | |
static void qt_mac_grabDisplayRect(CGDirectDisplayID display, const QRect &displayRect, void *buffer) | |
{ | |
if (display == kCGNullDirectDisplay) | |
return; | |
CGLPixelFormatAttribute attribs[] = { | |
kCGLPFAFullScreen, | |
kCGLPFADisplayMask, | |
(CGLPixelFormatAttribute)0, /* Display mask bit goes here */ | |
(CGLPixelFormatAttribute)0 | |
}; | |
attribs[2] = (CGLPixelFormatAttribute)CGDisplayIDToOpenGLDisplayMask(display); | |
// Build a full-screen GL context | |
CGLPixelFormatObj pixelFormatObj; | |
long numPixelFormats; | |
ptrCGLChoosePixelFormat( attribs, &pixelFormatObj, &numPixelFormats ); | |
if (!pixelFormatObj) // No full screen context support | |
return; | |
CGLContextObj glContextObj; | |
ptrCGLCreateContext(pixelFormatObj, 0, &glContextObj); | |
ptrCGLDestroyPixelFormat(pixelFormatObj) ; | |
if (!glContextObj) | |
return; | |
ptrCGLSetCurrentContext(glContextObj); | |
ptrCGLSetFullScreen(glContextObj) ; | |
ptrglReadBuffer(GL_FRONT); | |
ptrglFinish(); // Finish all OpenGL commands | |
ptrglPixelStorei(GL_PACK_ALIGNMENT, 4); // Force 4-byte alignment | |
ptrglPixelStorei(GL_PACK_ROW_LENGTH, 0); | |
ptrglPixelStorei(GL_PACK_SKIP_ROWS, 0); | |
ptrglPixelStorei(GL_PACK_SKIP_PIXELS, 0); | |
// Fetch the data in XRGB format, matching the bitmap context. | |
ptrglReadPixels(GLint(displayRect.x()), GLint(displayRect.y()), | |
GLint(displayRect.width()), GLint(displayRect.height()), | |
#ifdef __BIG_ENDIAN__ | |
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, buffer | |
#else | |
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, buffer | |
#endif | |
); | |
ptrCGLSetCurrentContext(0); | |
ptrCGLClearDrawable(glContextObj); // disassociate from full screen | |
ptrCGLDestroyContext(glContextObj); // and destroy the context | |
} | |
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6) | |
// Returns a pixmap containing the screen contents at rect. | |
static QPixmap qt_mac_grabScreenRect_10_6(const QRect &rect) | |
{ | |
const int maxDisplays = 128; // 128 displays should be enough for everyone. | |
CGDirectDisplayID displays[maxDisplays]; | |
CGDisplayCount displayCount; | |
const CGRect cgRect = CGRectMake(rect.x(), rect.y(), rect.width(), rect.height()); | |
const CGDisplayErr err = CGGetDisplaysWithRect(cgRect, maxDisplays, displays, &displayCount); | |
if (err && displayCount == 0) | |
return QPixmap(); | |
QPixmap windowPixmap(rect.size()); | |
for (uint i = 0; i < displayCount; ++i) { | |
const CGRect bounds = CGDisplayBounds(displays[i]); | |
// Translate to display-local coordinates | |
QRect displayRect = rect.translated(qRound(-bounds.origin.x), qRound(-bounds.origin.y)); | |
QCFType<CGImageRef> image = CGDisplayCreateImageForRect(displays[i], | |
CGRectMake(displayRect.x(), displayRect.y(), displayRect.width(), displayRect.height())); | |
QPixmap pix = QPixmap::fromMacCGImageRef(image); | |
QPainter painter(&windowPixmap); | |
painter.drawPixmap(-bounds.origin.x, -bounds.origin.y, pix); | |
} | |
return windowPixmap; | |
} | |
#endif | |
static QPixmap qt_mac_grabScreenRect(const QRect &rect) | |
{ | |
if (!resolveOpenGLSymbols()) | |
return QPixmap(); | |
const int maxDisplays = 128; // 128 displays should be enough for everyone. | |
CGDirectDisplayID displays[maxDisplays]; | |
CGDisplayCount displayCount; | |
const CGRect cgRect = CGRectMake(rect.x(), rect.y(), rect.width(), rect.height()); | |
const CGDisplayErr err = CGGetDisplaysWithRect(cgRect, maxDisplays, displays, &displayCount); | |
if (err && displayCount == 0) | |
return QPixmap(); | |
long bytewidth = rect.width() * 4; // Assume 4 bytes/pixel for now | |
bytewidth = (bytewidth + 3) & ~3; // Align to 4 bytes | |
QVarLengthArray<char> buffer(rect.height() * bytewidth); | |
for (uint i = 0; i < displayCount; ++i) { | |
const CGRect bounds = CGDisplayBounds(displays[i]); | |
// Translate to display-local coordinates | |
QRect displayRect = rect.translated(qRound(-bounds.origin.x), qRound(-bounds.origin.y)); | |
// Adjust for inverted y axis. | |
displayRect.moveTop(qRound(bounds.size.height) - displayRect.y() - rect.height()); | |
qt_mac_grabDisplayRect(displays[i], displayRect, buffer.data()); | |
} | |
qt_mac_flipPixmap(buffer.data(), bytewidth, rect.height()); | |
QCFType<CGContextRef> bitmap = CGBitmapContextCreate(buffer.data(), rect.width(), | |
rect.height(), 8, bytewidth, | |
QCoreGraphicsPaintEngine::macGenericColorSpace(), | |
kCGImageAlphaNoneSkipFirst); | |
QCFType<CGImageRef> image = CGBitmapContextCreateImage(bitmap); | |
return QPixmap::fromMacCGImageRef(image); | |
} | |
#ifndef QT_MAC_USE_COCOA // no QuickDraw in 64-bit mode | |
static QPixmap qt_mac_grabScreenRect_10_3(int x, int y, int w, int h, QWidget *widget) | |
{ | |
QPixmap pm = QPixmap(w, h); | |
extern WindowPtr qt_mac_window_for(const QWidget *); // qwidget_mac.cpp | |
const BitMap *windowPort = 0; | |
if((widget->windowType() == Qt::Desktop)) { | |
GDHandle gdh; | |
if(!(gdh=GetMainDevice())) | |
qDebug("Qt: internal: Unexpected condition reached: %s:%d", __FILE__, __LINE__); | |
windowPort = (BitMap*)(*(*gdh)->gdPMap); | |
} else { | |
windowPort = GetPortBitMapForCopyBits(GetWindowPort(qt_mac_window_for(widget))); | |
} | |
const BitMap *pixmapPort = GetPortBitMapForCopyBits(static_cast<GWorldPtr>(pm.macQDHandle())); | |
Rect macSrcRect, macDstRect; | |
SetRect(&macSrcRect, x, y, x + w, y + h); | |
SetRect(&macDstRect, 0, 0, w, h); | |
CopyBits(windowPort, pixmapPort, &macSrcRect, &macDstRect, srcCopy, 0); | |
return pm; | |
} | |
#endif | |
QPixmap QPixmap::grabWindow(WId window, int x, int y, int w, int h) | |
{ | |
QWidget *widget = QWidget::find(window); | |
if (widget == 0) | |
return QPixmap(); | |
if(w == -1) | |
w = widget->width() - x; | |
if(h == -1) | |
h = widget->height() - y; | |
QPoint globalCoord(0, 0); | |
globalCoord = widget->mapToGlobal(globalCoord); | |
QRect rect(globalCoord.x() + x, globalCoord.y() + y, w, h); | |
#ifdef QT_MAC_USE_COCOA | |
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6) | |
if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_6) | |
return qt_mac_grabScreenRect_10_6(rect); | |
else | |
#endif | |
return qt_mac_grabScreenRect(rect); | |
#else | |
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4) | |
if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) { | |
return qt_mac_grabScreenRect(rect); | |
} else | |
#endif | |
{ | |
return qt_mac_grabScreenRect_10_3(x, y, w, h, widget); | |
} | |
#endif // ifdef Q_WS_MAC64 | |
} | |
/*! \internal | |
Returns the QuickDraw CGrafPtr of the pixmap. 0 is returned if it can't | |
be obtained. Do not hold the pointer around for long as it can be | |
relocated. | |
\warning This function is only available on Mac OS X. | |
\warning As of Qt 4.6, this function \e{always} returns zero. | |
*/ | |
Qt::HANDLE QPixmap::macQDHandle() const | |
{ | |
return 0; | |
} | |
/*! \internal | |
Returns the QuickDraw CGrafPtr of the pixmap's alpha channel. 0 is | |
returned if it can't be obtained. Do not hold the pointer around for | |
long as it can be relocated. | |
\warning This function is only available on Mac OS X. | |
\warning As of Qt 4.6, this function \e{always} returns zero. | |
*/ | |
Qt::HANDLE QPixmap::macQDAlphaHandle() const | |
{ | |
return 0; | |
} | |
/*! \internal | |
Returns the CoreGraphics CGContextRef of the pixmap. 0 is returned if | |
it can't be obtained. It is the caller's responsiblity to | |
CGContextRelease the context when finished using it. | |
\warning This function is only available on Mac OS X. | |
*/ | |
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) | |
d->macCreateCGImageRef(); | |
CGImageRef ret = d->cg_data; | |
CGImageRetain(ret); | |
return ret; | |
} else if (data->classId() == QPixmapData::RasterClass) { | |
return qt_mac_image_to_cgimage(static_cast<QRasterPixmapData *>(data.data())->image); | |
} | |
return 0; | |
} | |
bool QMacPixmapData::hasAlphaChannel() const | |
{ | |
return has_alpha; | |
} | |
CGImageRef qt_mac_create_imagemask(const QPixmap &pixmap, const QRectF &sr) | |
{ | |
QMacPixmapData *px = static_cast<QMacPixmapData*>(pixmap.data.data()); | |
if (px->cg_mask) { | |
if (px->cg_mask_rect == sr) { | |
CGImageRetain(px->cg_mask); //reference for the caller | |
return px->cg_mask; | |
} | |
CGImageRelease(px->cg_mask); | |
px->cg_mask = 0; | |
} | |
const int sx = qRound(sr.x()), sy = qRound(sr.y()), sw = qRound(sr.width()), sh = qRound(sr.height()); | |
const int sbpr = px->bytesPerRow; | |
const uint nbytes = sw * sh; | |
// alpha is always 255 for bitmaps, ignore it in this case. | |
const quint32 mask = px->depth() == 1 ? 0x00ffffff : 0xffffffff; | |
quint8 *dptr = static_cast<quint8 *>(malloc(nbytes)); | |
quint32 *sptr = px->pixels, *srow; | |
for(int y = sy, offset=0; y < sh; ++y) { | |
srow = sptr + (y * (sbpr / 4)); | |
for(int x = sx; x < sw; ++x) | |
*(dptr+(offset++)) = (*(srow+x) & mask) ? 255 : 0; | |
} | |
QCFType<CGDataProviderRef> provider = CGDataProviderCreateWithData(0, dptr, nbytes, qt_mac_cgimage_data_free); | |
px->cg_mask = CGImageMaskCreate(sw, sh, 8, 8, nbytes / sh, provider, 0, 0); | |
px->cg_mask_rect = sr; | |
CGImageRetain(px->cg_mask); //reference for the caller | |
return px->cg_mask; | |
} | |
#ifndef QT_MAC_USE_COCOA | |
IconRef qt_mac_create_iconref(const QPixmap &px) | |
{ | |
if (px.isNull()) | |
return 0; | |
//create icon | |
IconFamilyHandle iconFamily = reinterpret_cast<IconFamilyHandle>(NewHandle(0)); | |
//create data | |
{ | |
struct { | |
OSType mac_type; | |
int width, height, depth; | |
bool mask; | |
} images[] = { | |
{ kThumbnail32BitData, 128, 128, 32, false }, | |
{ kThumbnail8BitMask, 128, 128, 8, true }, | |
{ 0, 0, 0, 0, false } //end marker | |
}; | |
for(int i = 0; images[i].mac_type; i++) { | |
//get QPixmap data | |
QImage scaled_px = px.toImage().scaled(images[i].width, images[i].height); | |
quint32 *sptr = (quint32 *) scaled_px.bits(); | |
quint32 *srow; | |
uint sbpr = scaled_px.bytesPerLine(); | |
//get Handle data | |
const int dbpr = images[i].width * (images[i].depth/8); | |
Handle hdl = NewHandle(dbpr*images[i].height); | |
if(!sptr) { //handle null pixmap | |
memset((*hdl), '\0', dbpr*images[i].height); | |
} else if(images[i].mask) { | |
if(images[i].mac_type == kThumbnail8BitMask) { | |
for(int y = 0, hindex = 0; y < images[i].height; ++y) { | |
srow = sptr + (y * (sbpr/4)); | |
for(int x = 0; x < images[i].width; ++x) | |
*((*hdl)+(hindex++)) = qAlpha(*(srow+x)); | |
} | |
} | |
} else { | |
char *dest = (*hdl); | |
#if defined(__i386__) | |
if(images[i].depth == 32) { | |
for(int y = 0; y < images[i].height; ++y) { | |
uint *source = (uint*)((const uchar*)sptr+(sbpr*y)); | |
for(int x = 0; x < images[i].width; ++x, dest += 4) | |
*((uint*)dest) = CFSwapInt32(*(source + x)); | |
} | |
} else | |
#endif | |
{ | |
for(int y = 0; y < images[i].height; ++y) | |
memcpy(dest+(y*dbpr), ((const uchar*)sptr+(sbpr*y)), dbpr); | |
} | |
} | |
//set the family data to the Handle | |
OSStatus set = SetIconFamilyData(iconFamily, images[i].mac_type, hdl); | |
if(set != noErr) | |
qWarning("%s: %d -- Unable to create icon data[%d]!! %ld", | |
__FILE__, __LINE__, i, long(set)); | |
DisposeHandle(hdl); | |
} | |
} | |
//acquire and cleanup | |
IconRef ret; | |
static int counter = 0; | |
const OSType kQtCreator = 'CUTE'; | |
RegisterIconRefFromIconFamily(kQtCreator, (OSType)counter, iconFamily, &ret); | |
AcquireIconRef(ret); | |
UnregisterIconRef(kQtCreator, (OSType)counter); | |
DisposeHandle(reinterpret_cast<Handle>(iconFamily)); | |
counter++; | |
return ret; | |
} | |
#endif | |
/*! \internal */ | |
QPaintEngine* QMacPixmapData::paintEngine() const | |
{ | |
if (!pengine) { | |
QMacPixmapData *that = const_cast<QMacPixmapData*>(this); | |
that->pengine = new QCoreGraphicsPaintEngine(); | |
} | |
return pengine; | |
} | |
void QMacPixmapData::copy(const QPixmapData *data, const QRect &rect) | |
{ | |
if (data->pixelType() == BitmapType) { | |
QBitmap::fromImage(toImage().copy(rect)); | |
return; | |
} | |
const QMacPixmapData *macData = static_cast<const QMacPixmapData*>(data); | |
resize(rect.width(), rect.height()); | |
has_alpha = macData->has_alpha; | |
has_mask = macData->has_mask; | |
uninit = false; | |
const int x = rect.x(); | |
const int y = rect.y(); | |
char *dest = reinterpret_cast<char*>(pixels); | |
const char *src = reinterpret_cast<const char*>(macData->pixels + x) + y * macData->bytesPerRow; | |
for (int i = 0; i < h; ++i) { | |
memcpy(dest, src, w * 4); | |
dest += bytesPerRow; | |
src += macData->bytesPerRow; | |
} | |
has_alpha = macData->has_alpha; | |
has_mask = macData->has_mask; | |
} | |
bool QMacPixmapData::scroll(int dx, int dy, const QRect &rect) | |
{ | |
Q_UNUSED(dx); | |
Q_UNUSED(dy); | |
Q_UNUSED(rect); | |
return false; | |
} | |
/*! | |
\since 4.2 | |
Creates a \c CGImageRef equivalent to the QPixmap. Returns the \c CGImageRef handle. | |
It is the caller's responsibility to release the \c CGImageRef data | |
after use. | |
\warning This function is only available on Mac OS X. | |
\sa fromMacCGImageRef() | |
*/ | |
CGImageRef QPixmap::toMacCGImageRef() const | |
{ | |
return (CGImageRef)macCGHandle(); | |
} | |
/*! | |
\since 4.2 | |
Returns a QPixmap that is equivalent to the given \a image. | |
\warning This function is only available on Mac OS X. | |
\sa toMacCGImageRef(), {QPixmap#Pixmap Conversion}{Pixmap Conversion} | |
*/ | |
QPixmap QPixmap::fromMacCGImageRef(CGImageRef image) | |
{ | |
const size_t w = CGImageGetWidth(image), | |
h = CGImageGetHeight(image); | |
QPixmap ret(w, h); | |
ret.fill(Qt::transparent); | |
CGRect rect = CGRectMake(0, 0, w, h); | |
CGContextRef ctx = qt_mac_cg_context(&ret); | |
qt_mac_drawCGImage(ctx, &rect, image); | |
CGContextRelease(ctx); | |
return ret; | |
} | |
QT_END_NAMESPACE |