summaryrefslogtreecommitdiffstats
path: root/src/gui/image/qpixmap_mac.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/image/qpixmap_mac.cpp')
-rw-r--r--src/gui/image/qpixmap_mac.cpp1233
1 files changed, 0 insertions, 1233 deletions
diff --git a/src/gui/image/qpixmap_mac.cpp b/src/gui/image/qpixmap_mac.cpp
deleted file mode 100644
index 47b6eef761..0000000000
--- a/src/gui/image/qpixmap_mac.cpp
+++ /dev/null
@@ -1,1233 +0,0 @@
-/****************************************************************************
-**
-** 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 <private/qapplication_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)
-{
- if (QApplicationPrivate::graphics_system_name == QLatin1String("raster"))
- return reinterpret_cast<quint32 *>(static_cast<QRasterPixmapData*>(pix->data.data())->buffer()->bits());
- else
- return static_cast<QMacPixmapData*>(pix->data.data())->pixels;
-}
-
-Q_GUI_EXPORT int qt_mac_pixmap_get_bytes_per_line(const QPixmap *pix)
-{
- if (QApplicationPrivate::graphics_system_name == QLatin1String("raster"))
- return static_cast<QRasterPixmapData*>(pix->data.data())->buffer()->bytesPerLine();
- else
- 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;
- }
- }
-
- // If we had an alpha channel from before, don't
- // switch it off. Only go from no alpha to alpha:
- if (fillColor.alpha() != 255)
- macSetHasAlpha(true);
-}
-
-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