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Diffstat (limited to 'src/gui/image/qpixmap_mac.cpp')
-rw-r--r-- | src/gui/image/qpixmap_mac.cpp | 1233 |
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 |