--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/painting/qpaintengine_mac.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,1744 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qbitmap.h>
+#include <qpaintdevice.h>
+#include <private/qpaintengine_mac_p.h>
+#include <qpainterpath.h>
+#include <qpixmapcache.h>
+#include <private/qpaintengine_raster_p.h>
+#include <private/qprintengine_mac_p.h>
+#include <qprinter.h>
+#include <qstack.h>
+#include <qtextcodec.h>
+#include <qwidget.h>
+#include <qvarlengtharray.h>
+#include <qdebug.h>
+#include <qcoreapplication.h>
+#include <qmath.h>
+
+#include <private/qfont_p.h>
+#include <private/qfontengine_p.h>
+#include <private/qnumeric_p.h>
+#include <private/qpainter_p.h>
+#include <private/qpainterpath_p.h>
+#include <private/qpixmap_mac_p.h>
+#include <private/qt_mac_p.h>
+#include <private/qtextengine_p.h>
+#include <private/qwidget_p.h>
+#include <private/qt_cocoa_helpers_mac_p.h>
+
+#include <string.h>
+
+QT_BEGIN_NAMESPACE
+
+extern int qt_antialiasing_threshold; // QApplication.cpp
+
+/*****************************************************************************
+ External functions
+ *****************************************************************************/
+extern CGImageRef qt_mac_create_imagemask(const QPixmap &px, const QRectF &sr); //qpixmap_mac.cpp
+extern QPoint qt_mac_posInWindow(const QWidget *w); //qwidget_mac.cpp
+extern OSWindowRef qt_mac_window_for(const QWidget *); //qwidget_mac.cpp
+extern CGContextRef qt_mac_cg_context(const QPaintDevice *); //qpaintdevice_mac.cpp
+extern void qt_mac_dispose_rgn(RgnHandle r); //qregion_mac.cpp
+extern QPixmap qt_pixmapForBrush(int, bool); //qbrush.cpp
+
+void qt_mac_clip_cg(CGContextRef hd, const QRegion &rgn, CGAffineTransform *orig_xform);
+
+
+//Implemented for qt_mac_p.h
+QMacCGContext::QMacCGContext(QPainter *p)
+{
+ QPaintEngine *pe = p->paintEngine();
+ if (pe->type() == QPaintEngine::MacPrinter)
+ pe = static_cast<QMacPrintEngine*>(pe)->paintEngine();
+ pe->syncState();
+ context = 0;
+ if(pe->type() == QPaintEngine::CoreGraphics)
+ context = static_cast<QCoreGraphicsPaintEngine*>(pe)->handle();
+
+ int devType = p->device()->devType();
+ if (pe->type() == QPaintEngine::Raster
+ && (devType == QInternal::Widget || devType == QInternal::Pixmap)) {
+
+ extern CGColorSpaceRef qt_mac_colorSpaceForDeviceType(const QPaintDevice *paintDevice);
+ CGColorSpaceRef colorspace = qt_mac_colorSpaceForDeviceType(pe->paintDevice());
+ uint flags = kCGImageAlphaPremultipliedFirst;
+#ifdef kCGBitmapByteOrder32Host //only needed because CGImage.h added symbols in the minor version
+ flags |= kCGBitmapByteOrder32Host;
+#endif
+ const QImage *image = (const QImage *) pe->paintDevice();
+
+ context = CGBitmapContextCreate((void *) image->bits(), image->width(), image->height(),
+ 8, image->bytesPerLine(), colorspace, flags);
+
+ CGContextTranslateCTM(context, 0, image->height());
+ CGContextScaleCTM(context, 1, -1);
+
+ if (devType == QInternal::Widget) {
+ QRegion clip = p->paintEngine()->systemClip();
+ QTransform native = p->deviceTransform();
+ QTransform logical = p->combinedTransform();
+ if (p->hasClipping()) {
+ QRegion r = p->clipRegion();
+ r.translate(native.dx() - logical.dx(), native.dy() - logical.dy());
+ if (clip.isEmpty())
+ clip = r;
+ else
+ clip &= r;
+ }
+ qt_mac_clip_cg(context, clip, 0);
+
+ QPainterState *state = static_cast<QPainterState *>(pe->state);
+ Q_ASSERT(state);
+ if (!state->redirectionMatrix.isIdentity())
+ CGContextTranslateCTM(context, state->redirectionMatrix.dx(), state->redirectionMatrix.dy());
+ }
+ }
+ CGContextRetain(context);
+}
+
+
+/*****************************************************************************
+ QCoreGraphicsPaintEngine utility functions
+ *****************************************************************************/
+
+//conversion
+inline static float qt_mac_convert_color_to_cg(int c) { return ((float)c * 1000 / 255) / 1000; }
+inline static int qt_mac_convert_color_from_cg(float c) { return qRound(c * 255); }
+CGAffineTransform qt_mac_convert_transform_to_cg(const QTransform &t) {
+ return CGAffineTransformMake(t.m11(), t.m12(), t.m21(), t.m22(), t.dx(), t.dy());
+}
+
+CGColorSpaceRef qt_mac_colorSpaceForDeviceType(const QPaintDevice *paintDevice)
+{
+ bool isWidget = (paintDevice->devType() == QInternal::Widget);
+ return QCoreGraphicsPaintEngine::macDisplayColorSpace(isWidget ? static_cast<const QWidget *>(paintDevice)
+ : 0);
+}
+
+inline static QCFType<CGColorRef> cgColorForQColor(const QColor &col, QPaintDevice *pdev)
+{
+ CGFloat components[] = {
+ qt_mac_convert_color_to_cg(col.red()),
+ qt_mac_convert_color_to_cg(col.green()),
+ qt_mac_convert_color_to_cg(col.blue()),
+ qt_mac_convert_color_to_cg(col.alpha())
+ };
+ return CGColorCreate(qt_mac_colorSpaceForDeviceType(pdev), components);
+}
+
+// There's architectural problems with using native gradients
+// on the Mac at the moment, so disable them.
+// #define QT_MAC_USE_NATIVE_GRADIENTS
+
+#ifdef QT_MAC_USE_NATIVE_GRADIENTS
+static bool drawGradientNatively(const QGradient *gradient)
+{
+ return gradient->spread() == QGradient::PadSpread;
+}
+
+// gradiant callback
+static void qt_mac_color_gradient_function(void *info, const CGFloat *in, CGFloat *out)
+{
+ QBrush *brush = static_cast<QBrush *>(info);
+ Q_ASSERT(brush && brush->gradient());
+
+ const QGradientStops stops = brush->gradient()->stops();
+ const int n = stops.count();
+ Q_ASSERT(n >= 1);
+ const QGradientStop *begin = stops.constBegin();
+ const QGradientStop *end = begin + n;
+
+ qreal p = in[0];
+ const QGradientStop *i = begin;
+ while (i != end && i->first < p)
+ ++i;
+
+ QRgb c;
+ if (i == begin) {
+ c = begin->second.rgba();
+ } else if (i == end) {
+ c = (end - 1)->second.rgba();
+ } else {
+ const QGradientStop &s1 = *(i - 1);
+ const QGradientStop &s2 = *i;
+ qreal p1 = s1.first;
+ qreal p2 = s2.first;
+ QRgb c1 = s1.second.rgba();
+ QRgb c2 = s2.second.rgba();
+ int idist = 256 * (p - p1) / (p2 - p1);
+ int dist = 256 - idist;
+ c = qRgba(INTERPOLATE_PIXEL_256(qRed(c1), dist, qRed(c2), idist),
+ INTERPOLATE_PIXEL_256(qGreen(c1), dist, qGreen(c2), idist),
+ INTERPOLATE_PIXEL_256(qBlue(c1), dist, qBlue(c2), idist),
+ INTERPOLATE_PIXEL_256(qAlpha(c1), dist, qAlpha(c2), idist));
+ }
+
+ out[0] = qt_mac_convert_color_to_cg(qRed(c));
+ out[1] = qt_mac_convert_color_to_cg(qGreen(c));
+ out[2] = qt_mac_convert_color_to_cg(qBlue(c));
+ out[3] = qt_mac_convert_color_to_cg(qAlpha(c));
+}
+#endif
+
+//clipping handling
+void QCoreGraphicsPaintEnginePrivate::resetClip()
+{
+ static bool inReset = false;
+ if (inReset)
+ return;
+ inReset = true;
+
+ CGAffineTransform old_xform = CGContextGetCTM(hd);
+
+ //setup xforms
+ CGContextConcatCTM(hd, CGAffineTransformInvert(old_xform));
+ while (stackCount > 0) {
+ restoreGraphicsState();
+ }
+ saveGraphicsState();
+ inReset = false;
+ //reset xforms
+ CGContextConcatCTM(hd, CGAffineTransformInvert(CGContextGetCTM(hd)));
+ CGContextConcatCTM(hd, old_xform);
+}
+
+static CGRect qt_mac_compose_rect(const QRectF &r, float off=0)
+{
+ return CGRectMake(r.x()+off, r.y()+off, r.width(), r.height());
+}
+
+static CGMutablePathRef qt_mac_compose_path(const QPainterPath &p, float off=0)
+{
+ CGMutablePathRef ret = CGPathCreateMutable();
+ QPointF startPt;
+ for (int i=0; i<p.elementCount(); ++i) {
+ const QPainterPath::Element &elm = p.elementAt(i);
+ switch (elm.type) {
+ case QPainterPath::MoveToElement:
+ if(i > 0
+ && p.elementAt(i - 1).x == startPt.x()
+ && p.elementAt(i - 1).y == startPt.y())
+ CGPathCloseSubpath(ret);
+ startPt = QPointF(elm.x, elm.y);
+ CGPathMoveToPoint(ret, 0, elm.x+off, elm.y+off);
+ break;
+ case QPainterPath::LineToElement:
+ CGPathAddLineToPoint(ret, 0, elm.x+off, elm.y+off);
+ break;
+ case QPainterPath::CurveToElement:
+ Q_ASSERT(p.elementAt(i+1).type == QPainterPath::CurveToDataElement);
+ Q_ASSERT(p.elementAt(i+2).type == QPainterPath::CurveToDataElement);
+ CGPathAddCurveToPoint(ret, 0,
+ elm.x+off, elm.y+off,
+ p.elementAt(i+1).x+off, p.elementAt(i+1).y+off,
+ p.elementAt(i+2).x+off, p.elementAt(i+2).y+off);
+ i+=2;
+ break;
+ default:
+ qFatal("QCoreGraphicsPaintEngine::drawPath(), unhandled type: %d", elm.type);
+ break;
+ }
+ }
+ if(!p.isEmpty()
+ && p.elementAt(p.elementCount() - 1).x == startPt.x()
+ && p.elementAt(p.elementCount() - 1).y == startPt.y())
+ CGPathCloseSubpath(ret);
+ return ret;
+}
+
+CGColorSpaceRef QCoreGraphicsPaintEngine::m_genericColorSpace = 0;
+QHash<CGDirectDisplayID, CGColorSpaceRef> QCoreGraphicsPaintEngine::m_displayColorSpaceHash;
+bool QCoreGraphicsPaintEngine::m_postRoutineRegistered = false;
+
+CGColorSpaceRef QCoreGraphicsPaintEngine::macGenericColorSpace()
+{
+#if 0
+ if (!m_genericColorSpace) {
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
+ if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
+ m_genericColorSpace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
+ } else
+#endif
+ {
+ m_genericColorSpace = CGColorSpaceCreateDeviceRGB();
+ }
+ if (!m_postRoutineRegistered) {
+ m_postRoutineRegistered = true;
+ qAddPostRoutine(QCoreGraphicsPaintEngine::cleanUpMacColorSpaces);
+ }
+ }
+ return m_genericColorSpace;
+#else
+ // Just return the main display colorspace for the moment.
+ return macDisplayColorSpace();
+#endif
+}
+
+/*
+ Ideally, we should pass the widget in here, and use CGGetDisplaysWithRect() etc.
+ to support multiple displays correctly.
+*/
+CGColorSpaceRef QCoreGraphicsPaintEngine::macDisplayColorSpace(const QWidget *widget)
+{
+ CGColorSpaceRef colorSpace;
+
+ CGDirectDisplayID displayID;
+ CMProfileRef displayProfile = 0;
+ if (widget == 0) {
+ displayID = CGMainDisplayID();
+ } else {
+ const QRect &qrect = widget->window()->geometry();
+ CGRect rect = CGRectMake(qrect.x(), qrect.y(), qrect.width(), qrect.height());
+ CGDisplayCount throwAway;
+ CGDisplayErr dErr = CGGetDisplaysWithRect(rect, 1, &displayID, &throwAway);
+ if (dErr != kCGErrorSuccess)
+ return macDisplayColorSpace(0); // fall back on main display
+ }
+ if ((colorSpace = m_displayColorSpaceHash.value(displayID)))
+ return colorSpace;
+
+ CMError err = CMGetProfileByAVID((CMDisplayIDType)displayID, &displayProfile);
+ if (err == noErr) {
+ colorSpace = CGColorSpaceCreateWithPlatformColorSpace(displayProfile);
+ } else if (widget) {
+ return macDisplayColorSpace(0); // fall back on main display
+ }
+
+ if (colorSpace == 0)
+ colorSpace = CGColorSpaceCreateDeviceRGB();
+
+ m_displayColorSpaceHash.insert(displayID, colorSpace);
+ CMCloseProfile(displayProfile);
+ if (!m_postRoutineRegistered) {
+ m_postRoutineRegistered = true;
+ qAddPostRoutine(QCoreGraphicsPaintEngine::cleanUpMacColorSpaces);
+ }
+ return colorSpace;
+}
+
+void QCoreGraphicsPaintEngine::cleanUpMacColorSpaces()
+{
+ if (m_genericColorSpace) {
+ CFRelease(m_genericColorSpace);
+ m_genericColorSpace = 0;
+ }
+ QHash<CGDirectDisplayID, CGColorSpaceRef>::const_iterator it = m_displayColorSpaceHash.constBegin();
+ while (it != m_displayColorSpaceHash.constEnd()) {
+ if (it.value())
+ CFRelease(it.value());
+ ++it;
+ }
+ m_displayColorSpaceHash.clear();
+}
+
+void qt_mac_clip_cg(CGContextRef hd, const QRegion &rgn, CGAffineTransform *orig_xform)
+{
+ CGAffineTransform old_xform = CGAffineTransformIdentity;
+ if(orig_xform) { //setup xforms
+ old_xform = CGContextGetCTM(hd);
+ CGContextConcatCTM(hd, CGAffineTransformInvert(old_xform));
+ CGContextConcatCTM(hd, *orig_xform);
+ }
+
+ //do the clipping
+ CGContextBeginPath(hd);
+ if(rgn.isEmpty()) {
+ CGContextAddRect(hd, CGRectMake(0, 0, 0, 0));
+ } else {
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
+ if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_5) {
+ QCFType<HIMutableShapeRef> shape = rgn.toHIMutableShape();
+ Q_ASSERT(!HIShapeIsEmpty(shape));
+ HIShapeReplacePathInCGContext(shape, hd);
+ } else
+#endif
+ {
+ QVector<QRect> rects = rgn.rects();
+ const int count = rects.size();
+ for(int i = 0; i < count; i++) {
+ const QRect &r = rects[i];
+ CGRect mac_r = CGRectMake(r.x(), r.y(), r.width(), r.height());
+ CGContextAddRect(hd, mac_r);
+ }
+ }
+
+ }
+ CGContextClip(hd);
+
+ if(orig_xform) {//reset xforms
+ CGContextConcatCTM(hd, CGAffineTransformInvert(CGContextGetCTM(hd)));
+ CGContextConcatCTM(hd, old_xform);
+ }
+}
+
+
+//pattern handling (tiling)
+#if 1
+# define QMACPATTERN_MASK_MULTIPLIER 32
+#else
+# define QMACPATTERN_MASK_MULTIPLIER 1
+#endif
+class QMacPattern
+{
+public:
+ QMacPattern() : as_mask(false), pdev(0), image(0) { data.bytes = 0; }
+ ~QMacPattern() { CGImageRelease(image); }
+ int width() {
+ if(image)
+ return CGImageGetWidth(image);
+ if(data.bytes)
+ return 8*QMACPATTERN_MASK_MULTIPLIER;
+ return data.pixmap.width();
+ }
+ int height() {
+ if(image)
+ return CGImageGetHeight(image);
+ if(data.bytes)
+ return 8*QMACPATTERN_MASK_MULTIPLIER;
+ return data.pixmap.height();
+ }
+
+ //input
+ QColor foreground;
+ bool as_mask;
+ struct {
+ QPixmap pixmap;
+ const uchar *bytes;
+ } data;
+ QPaintDevice *pdev;
+ //output
+ CGImageRef image;
+};
+static void qt_mac_draw_pattern(void *info, CGContextRef c)
+{
+ QMacPattern *pat = (QMacPattern*)info;
+ int w = 0, h = 0;
+ bool isBitmap = (pat->data.pixmap.depth() == 1);
+ if(!pat->image) { //lazy cache
+ if(pat->as_mask) {
+ Q_ASSERT(pat->data.bytes);
+ w = h = 8;
+#if (QMACPATTERN_MASK_MULTIPLIER == 1)
+ CGDataProviderRef provider = CGDataProviderCreateWithData(0, pat->data.bytes, w*h, 0);
+ pat->image = CGImageMaskCreate(w, h, 1, 1, 1, provider, 0, false);
+ CGDataProviderRelease(provider);
+#else
+ const int numBytes = (w*h)/sizeof(uchar);
+ uchar xor_bytes[numBytes];
+ for(int i = 0; i < numBytes; ++i)
+ xor_bytes[i] = pat->data.bytes[i] ^ 0xFF;
+ CGDataProviderRef provider = CGDataProviderCreateWithData(0, xor_bytes, w*h, 0);
+ CGImageRef swatch = CGImageMaskCreate(w, h, 1, 1, 1, provider, 0, false);
+ CGDataProviderRelease(provider);
+
+ const QColor c0(0, 0, 0, 0), c1(255, 255, 255, 255);
+ QPixmap pm(w*QMACPATTERN_MASK_MULTIPLIER, h*QMACPATTERN_MASK_MULTIPLIER);
+ pm.fill(c0);
+ CGContextRef pm_ctx = qt_mac_cg_context(&pm);
+ CGContextSetFillColorWithColor(c, cgColorForQColor(c1, pat->pdev));
+ CGRect rect = CGRectMake(0, 0, w, h);
+ for(int x = 0; x < QMACPATTERN_MASK_MULTIPLIER; ++x) {
+ rect.origin.x = x * w;
+ for(int y = 0; y < QMACPATTERN_MASK_MULTIPLIER; ++y) {
+ rect.origin.y = y * h;
+ qt_mac_drawCGImage(pm_ctx, &rect, swatch);
+ }
+ }
+ pat->image = qt_mac_create_imagemask(pm, pm.rect());
+ CGImageRelease(swatch);
+ CGContextRelease(pm_ctx);
+ w *= QMACPATTERN_MASK_MULTIPLIER;
+ h *= QMACPATTERN_MASK_MULTIPLIER;
+#endif
+ } else {
+ w = pat->data.pixmap.width();
+ h = pat->data.pixmap.height();
+ if (isBitmap)
+ pat->image = qt_mac_create_imagemask(pat->data.pixmap, pat->data.pixmap.rect());
+ else
+ pat->image = (CGImageRef)pat->data.pixmap.macCGHandle();
+ }
+ } else {
+ w = CGImageGetWidth(pat->image);
+ h = CGImageGetHeight(pat->image);
+ }
+
+ //draw
+ bool needRestore = false;
+ if (CGImageIsMask(pat->image)) {
+ CGContextSaveGState(c);
+ CGContextSetFillColorWithColor(c, cgColorForQColor(pat->foreground, pat->pdev));
+ }
+ CGRect rect = CGRectMake(0, 0, w, h);
+ qt_mac_drawCGImage(c, &rect, pat->image);
+ if(needRestore)
+ CGContextRestoreGState(c);
+}
+static void qt_mac_dispose_pattern(void *info)
+{
+ QMacPattern *pat = (QMacPattern*)info;
+ delete pat;
+}
+
+/*****************************************************************************
+ QCoreGraphicsPaintEngine member functions
+ *****************************************************************************/
+
+inline static QPaintEngine::PaintEngineFeatures qt_mac_cg_features()
+{
+ return QPaintEngine::PaintEngineFeatures(QPaintEngine::AllFeatures & ~QPaintEngine::PaintOutsidePaintEvent
+ & ~QPaintEngine::PerspectiveTransform
+ & ~QPaintEngine::ConicalGradientFill
+ & ~QPaintEngine::LinearGradientFill
+ & ~QPaintEngine::RadialGradientFill
+ & ~QPaintEngine::BrushStroke);
+}
+
+QCoreGraphicsPaintEngine::QCoreGraphicsPaintEngine()
+: QPaintEngine(*(new QCoreGraphicsPaintEnginePrivate), qt_mac_cg_features())
+{
+}
+
+QCoreGraphicsPaintEngine::QCoreGraphicsPaintEngine(QPaintEnginePrivate &dptr)
+: QPaintEngine(dptr, qt_mac_cg_features())
+{
+}
+
+QCoreGraphicsPaintEngine::~QCoreGraphicsPaintEngine()
+{
+}
+
+bool
+QCoreGraphicsPaintEngine::begin(QPaintDevice *pdev)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ if(isActive()) { // already active painting
+ qWarning("QCoreGraphicsPaintEngine::begin: Painter already active");
+ return false;
+ }
+
+ //initialization
+ d->pdev = pdev;
+ d->complexXForm = false;
+ d->cosmeticPen = QCoreGraphicsPaintEnginePrivate::CosmeticSetPenWidth;
+ d->cosmeticPenSize = 1;
+ d->current.clipEnabled = false;
+ d->pixelSize = QPoint(1,1);
+ d->hd = qt_mac_cg_context(pdev);
+ if(d->hd) {
+ d->saveGraphicsState();
+ d->orig_xform = CGContextGetCTM(d->hd);
+ if (d->shading) {
+ CGShadingRelease(d->shading);
+ d->shading = 0;
+ }
+ d->setClip(0); //clear the context's clipping
+ }
+
+ setActive(true);
+
+ if(d->pdev->devType() == QInternal::Widget) { // device is a widget
+ QWidget *w = (QWidget*)d->pdev;
+ bool unclipped = w->testAttribute(Qt::WA_PaintUnclipped);
+
+ if((w->windowType() == Qt::Desktop)) {
+ if(!unclipped)
+ qWarning("QCoreGraphicsPaintEngine::begin: Does not support clipped desktop on Mac OS X");
+ // ## need to do [qt_mac_window_for(w) makeKeyAndOrderFront]; (need to rename the file)
+ } else if(unclipped) {
+ qWarning("QCoreGraphicsPaintEngine::begin: Does not support unclipped painting");
+ }
+ } else if(d->pdev->devType() == QInternal::Pixmap) { // device is a pixmap
+ QPixmap *pm = (QPixmap*)d->pdev;
+ if(pm->isNull()) {
+ qWarning("QCoreGraphicsPaintEngine::begin: Cannot paint null pixmap");
+ end();
+ return false;
+ }
+ }
+
+ setDirty(QPaintEngine::DirtyPen);
+ setDirty(QPaintEngine::DirtyBrush);
+ setDirty(QPaintEngine::DirtyBackground);
+ setDirty(QPaintEngine::DirtyHints);
+ return true;
+}
+
+bool
+QCoreGraphicsPaintEngine::end()
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ setActive(false);
+ if(d->pdev->devType() == QInternal::Widget && static_cast<QWidget*>(d->pdev)->windowType() == Qt::Desktop) {
+#ifndef QT_MAC_USE_COCOA
+ HideWindow(qt_mac_window_for(static_cast<QWidget*>(d->pdev)));
+#else
+// // ### need to do [qt_mac_window_for(static_cast<QWidget *>(d->pdev)) orderOut]; (need to rename)
+#endif
+
+ }
+ if(d->shading) {
+ CGShadingRelease(d->shading);
+ d->shading = 0;
+ }
+ d->pdev = 0;
+ if(d->hd) {
+ d->restoreGraphicsState();
+ CGContextSynchronize(d->hd);
+ CGContextRelease(d->hd);
+ d->hd = 0;
+ }
+ return true;
+}
+
+void
+QCoreGraphicsPaintEngine::updateState(const QPaintEngineState &state)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ QPaintEngine::DirtyFlags flags = state.state();
+
+ if (flags & DirtyTransform)
+ updateMatrix(state.transform());
+
+ if (flags & DirtyClipEnabled) {
+ if (state.isClipEnabled())
+ updateClipPath(painter()->clipPath(), Qt::ReplaceClip);
+ else
+ updateClipPath(QPainterPath(), Qt::NoClip);
+ }
+
+ if (flags & DirtyClipPath) {
+ updateClipPath(state.clipPath(), state.clipOperation());
+ } else if (flags & DirtyClipRegion) {
+ updateClipRegion(state.clipRegion(), state.clipOperation());
+ }
+
+ // If the clip has changed we need to update all other states
+ // too, since they are included in the system context on OSX,
+ // and changing the clip resets that context back to scratch.
+ if (flags & (DirtyClipPath | DirtyClipRegion | DirtyClipEnabled))
+ flags |= AllDirty;
+
+ if (flags & DirtyPen)
+ updatePen(state.pen());
+ if (flags & (DirtyBrush|DirtyBrushOrigin))
+ updateBrush(state.brush(), state.brushOrigin());
+ if (flags & DirtyFont)
+ updateFont(state.font());
+ if (flags & DirtyOpacity)
+ updateOpacity(state.opacity());
+ if (flags & DirtyHints)
+ updateRenderHints(state.renderHints());
+ if (flags & DirtyCompositionMode)
+ updateCompositionMode(state.compositionMode());
+
+ if (flags & (DirtyPen | DirtyTransform)) {
+ if (!d->current.pen.isCosmetic()) {
+ d->cosmeticPen = QCoreGraphicsPaintEnginePrivate::CosmeticNone;
+ } else if (d->current.transform.m11() < d->current.transform.m22()-1.0 ||
+ d->current.transform.m11() > d->current.transform.m22()+1.0) {
+ d->cosmeticPen = QCoreGraphicsPaintEnginePrivate::CosmeticTransformPath;
+ d->cosmeticPenSize = d->adjustPenWidth(d->current.pen.widthF());
+ if (!d->cosmeticPenSize)
+ d->cosmeticPenSize = 1.0;
+ } else {
+ d->cosmeticPen = QCoreGraphicsPaintEnginePrivate::CosmeticSetPenWidth;
+ static const float sqrt2 = sqrt(2);
+ qreal width = d->current.pen.widthF();
+ if (!width)
+ width = 1;
+ d->cosmeticPenSize = sqrt(pow(d->pixelSize.y(), 2) + pow(d->pixelSize.x(), 2)) / sqrt2 * width;
+ }
+ }
+}
+
+void
+QCoreGraphicsPaintEngine::updatePen(const QPen &pen)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+ d->current.pen = pen;
+ d->setStrokePen(pen);
+}
+
+void
+QCoreGraphicsPaintEngine::updateBrush(const QBrush &brush, const QPointF &brushOrigin)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+ d->current.brush = brush;
+
+#ifdef QT_MAC_USE_NATIVE_GRADIENTS
+ // Quartz supports only pad spread
+ if (const QGradient *gradient = brush.gradient()) {
+ if (drawGradientNatively(gradient)) {
+ gccaps |= QPaintEngine::LinearGradientFill | QPaintEngine::RadialGradientFill;
+ } else {
+ gccaps &= ~(QPaintEngine::LinearGradientFill | QPaintEngine::RadialGradientFill);
+ }
+ }
+#endif
+
+ if (d->shading) {
+ CGShadingRelease(d->shading);
+ d->shading = 0;
+ }
+ d->setFillBrush(brushOrigin);
+}
+
+void
+QCoreGraphicsPaintEngine::updateOpacity(qreal opacity)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ CGContextSetAlpha(d->hd, opacity);
+}
+
+void
+QCoreGraphicsPaintEngine::updateFont(const QFont &)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+ updatePen(d->current.pen);
+}
+
+void
+QCoreGraphicsPaintEngine::updateMatrix(const QTransform &transform)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+
+ if (qt_is_nan(transform.m11()) || qt_is_nan(transform.m12()) || qt_is_nan(transform.m13())
+ || qt_is_nan(transform.m21()) || qt_is_nan(transform.m22()) || qt_is_nan(transform.m23())
+ || qt_is_nan(transform.m31()) || qt_is_nan(transform.m32()) || qt_is_nan(transform.m33()))
+ return;
+
+ d->current.transform = transform;
+ d->setTransform(transform.isIdentity() ? 0 : &transform);
+ d->complexXForm = (transform.m11() != 1 || transform.m22() != 1
+ || transform.m12() != 0 || transform.m21() != 0);
+ d->pixelSize = d->devicePixelSize(d->hd);
+}
+
+void
+QCoreGraphicsPaintEngine::updateClipPath(const QPainterPath &p, Qt::ClipOperation op)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+ if(op == Qt::NoClip) {
+ if(d->current.clipEnabled) {
+ d->current.clipEnabled = false;
+ d->current.clip = QRegion();
+ d->setClip(0);
+ }
+ } else {
+ if(!d->current.clipEnabled)
+ op = Qt::ReplaceClip;
+ d->current.clipEnabled = true;
+ QRegion clipRegion(p.toFillPolygon().toPolygon(), p.fillRule());
+ if(op == Qt::ReplaceClip) {
+ d->current.clip = clipRegion;
+ d->setClip(0);
+ if(p.isEmpty()) {
+ CGRect rect = CGRectMake(0, 0, 0, 0);
+ CGContextClipToRect(d->hd, rect);
+ } else {
+ CGMutablePathRef path = qt_mac_compose_path(p);
+ CGContextBeginPath(d->hd);
+ CGContextAddPath(d->hd, path);
+ if(p.fillRule() == Qt::WindingFill)
+ CGContextClip(d->hd);
+ else
+ CGContextEOClip(d->hd);
+ CGPathRelease(path);
+ }
+ } else if(op == Qt::IntersectClip) {
+ d->current.clip = d->current.clip.intersected(clipRegion);
+ d->setClip(&d->current.clip);
+ } else if(op == Qt::UniteClip) {
+ d->current.clip = d->current.clip.united(clipRegion);
+ d->setClip(&d->current.clip);
+ }
+ }
+}
+
+void
+QCoreGraphicsPaintEngine::updateClipRegion(const QRegion &clipRegion, Qt::ClipOperation op)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+ if(op == Qt::NoClip) {
+ d->current.clipEnabled = false;
+ d->current.clip = QRegion();
+ d->setClip(0);
+ } else {
+ if(!d->current.clipEnabled)
+ op = Qt::ReplaceClip;
+ d->current.clipEnabled = true;
+ if(op == Qt::IntersectClip)
+ d->current.clip = d->current.clip.intersected(clipRegion);
+ else if(op == Qt::ReplaceClip)
+ d->current.clip = clipRegion;
+ else if(op == Qt::UniteClip)
+ d->current.clip = d->current.clip.united(clipRegion);
+ d->setClip(&d->current.clip);
+ }
+}
+
+void
+QCoreGraphicsPaintEngine::drawPath(const QPainterPath &p)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+
+ if (state->compositionMode() == QPainter::CompositionMode_Destination)
+ return;
+
+ CGMutablePathRef path = qt_mac_compose_path(p);
+ uchar ops = QCoreGraphicsPaintEnginePrivate::CGStroke;
+ if(p.fillRule() == Qt::WindingFill)
+ ops |= QCoreGraphicsPaintEnginePrivate::CGFill;
+ else
+ ops |= QCoreGraphicsPaintEnginePrivate::CGEOFill;
+ CGContextBeginPath(d->hd);
+ d->drawPath(ops, path);
+ CGPathRelease(path);
+}
+
+void
+QCoreGraphicsPaintEngine::drawRects(const QRectF *rects, int rectCount)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+
+ if (state->compositionMode() == QPainter::CompositionMode_Destination)
+ return;
+
+ for (int i=0; i<rectCount; ++i) {
+ QRectF r = rects[i];
+
+ CGMutablePathRef path = CGPathCreateMutable();
+ CGPathAddRect(path, 0, qt_mac_compose_rect(r));
+ d->drawPath(QCoreGraphicsPaintEnginePrivate::CGFill|QCoreGraphicsPaintEnginePrivate::CGStroke,
+ path);
+ CGPathRelease(path);
+ }
+}
+
+void
+QCoreGraphicsPaintEngine::drawPoints(const QPointF *points, int pointCount)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+
+ if (state->compositionMode() == QPainter::CompositionMode_Destination)
+ return;
+
+ if (d->current.pen.capStyle() == Qt::FlatCap)
+ CGContextSetLineCap(d->hd, kCGLineCapSquare);
+
+ CGMutablePathRef path = CGPathCreateMutable();
+ for(int i=0; i < pointCount; i++) {
+ float x = points[i].x(), y = points[i].y();
+ CGPathMoveToPoint(path, 0, x, y);
+ CGPathAddLineToPoint(path, 0, x+0.001, y);
+ }
+
+ bool doRestore = false;
+ if(d->cosmeticPen == QCoreGraphicsPaintEnginePrivate::CosmeticNone && !(state->renderHints() & QPainter::Antialiasing)) {
+ //we don't want adjusted pens for point rendering
+ doRestore = true;
+ d->saveGraphicsState();
+ CGContextSetLineWidth(d->hd, d->current.pen.widthF());
+ }
+ d->drawPath(QCoreGraphicsPaintEnginePrivate::CGStroke, path);
+ if (doRestore)
+ d->restoreGraphicsState();
+ CGPathRelease(path);
+ if (d->current.pen.capStyle() == Qt::FlatCap)
+ CGContextSetLineCap(d->hd, kCGLineCapButt);
+}
+
+void
+QCoreGraphicsPaintEngine::drawEllipse(const QRectF &r)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+
+ if (state->compositionMode() == QPainter::CompositionMode_Destination)
+ return;
+
+ CGMutablePathRef path = CGPathCreateMutable();
+ CGAffineTransform transform = CGAffineTransformMakeScale(r.width() / r.height(), 1);
+ CGPathAddArc(path, &transform,(r.x() + (r.width() / 2)) / (r.width() / r.height()),
+ r.y() + (r.height() / 2), r.height() / 2, 0, (2 * M_PI), false);
+ d->drawPath(QCoreGraphicsPaintEnginePrivate::CGFill | QCoreGraphicsPaintEnginePrivate::CGStroke,
+ path);
+ CGPathRelease(path);
+}
+
+void
+QCoreGraphicsPaintEngine::drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+
+ if (state->compositionMode() == QPainter::CompositionMode_Destination)
+ return;
+
+ CGMutablePathRef path = CGPathCreateMutable();
+ CGPathMoveToPoint(path, 0, points[0].x(), points[0].y());
+ for(int x = 1; x < pointCount; ++x)
+ CGPathAddLineToPoint(path, 0, points[x].x(), points[x].y());
+ if(mode != PolylineMode && points[0] != points[pointCount-1])
+ CGPathAddLineToPoint(path, 0, points[0].x(), points[0].y());
+ uint op = QCoreGraphicsPaintEnginePrivate::CGStroke;
+ if (mode != PolylineMode)
+ op |= mode == OddEvenMode ? QCoreGraphicsPaintEnginePrivate::CGEOFill
+ : QCoreGraphicsPaintEnginePrivate::CGFill;
+ d->drawPath(op, path);
+ CGPathRelease(path);
+}
+
+void
+QCoreGraphicsPaintEngine::drawLines(const QLineF *lines, int lineCount)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+
+ if (state->compositionMode() == QPainter::CompositionMode_Destination)
+ return;
+
+ CGMutablePathRef path = CGPathCreateMutable();
+ for(int i = 0; i < lineCount; i++) {
+ const QPointF start = lines[i].p1(), end = lines[i].p2();
+ CGPathMoveToPoint(path, 0, start.x(), start.y());
+ CGPathAddLineToPoint(path, 0, end.x(), end.y());
+ }
+ d->drawPath(QCoreGraphicsPaintEnginePrivate::CGStroke, path);
+ CGPathRelease(path);
+}
+
+void QCoreGraphicsPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+
+ if (state->compositionMode() == QPainter::CompositionMode_Destination)
+ return;
+
+ if(pm.isNull())
+ return;
+
+ bool differentSize = (QRectF(0, 0, pm.width(), pm.height()) != sr), doRestore = false;
+ CGRect rect = CGRectMake(qRound(r.x()), qRound(r.y()), qRound(r.width()), qRound(r.height()));
+ QCFType<CGImageRef> image;
+ bool isBitmap = (pm.depth() == 1);
+ if (isBitmap) {
+ doRestore = true;
+ d->saveGraphicsState();
+
+ const QColor &col = d->current.pen.color();
+ CGContextSetFillColorWithColor(d->hd, cgColorForQColor(col, d->pdev));
+ image = qt_mac_create_imagemask(pm, sr);
+ } else if (differentSize) {
+ QCFType<CGImageRef> img = pm.toMacCGImageRef();
+ image = CGImageCreateWithImageInRect(img, CGRectMake(qRound(sr.x()), qRound(sr.y()), qRound(sr.width()), qRound(sr.height())));
+ } else {
+ image = (CGImageRef)pm.macCGHandle();
+ }
+ qt_mac_drawCGImage(d->hd, &rect, image);
+ if (doRestore)
+ d->restoreGraphicsState();
+}
+
+static void drawImageReleaseData (void *info, const void *, size_t)
+{
+ delete static_cast<QImage *>(info);
+}
+
+CGImageRef qt_mac_createCGImageFromQImage(const QImage &img, const QImage **imagePtr = 0)
+{
+ QImage *image;
+ if (img.depth() != 32)
+ image = new QImage(img.convertToFormat(QImage::Format_ARGB32_Premultiplied));
+ else
+ image = new QImage(img);
+
+ uint cgflags = kCGImageAlphaNone;
+ switch (image->format()) {
+ case QImage::Format_ARGB32_Premultiplied:
+ cgflags = kCGImageAlphaPremultipliedFirst;
+ break;
+ case QImage::Format_ARGB32:
+ cgflags = kCGImageAlphaFirst;
+ break;
+ case QImage::Format_RGB32:
+ cgflags = kCGImageAlphaNoneSkipFirst;
+ default:
+ break;
+ }
+#if defined(kCGBitmapByteOrder32Host) //only needed because CGImage.h added symbols in the minor version
+ cgflags |= kCGBitmapByteOrder32Host;
+#endif
+ QCFType<CGDataProviderRef> dataProvider = CGDataProviderCreateWithData(image,
+ static_cast<const QImage *>(image)->bits(),
+ image->numBytes(),
+ drawImageReleaseData);
+ if (imagePtr)
+ *imagePtr = image;
+ return CGImageCreate(image->width(), image->height(), 8, 32,
+ image->bytesPerLine(),
+ QCoreGraphicsPaintEngine::macGenericColorSpace(),
+ cgflags, dataProvider, 0, false, kCGRenderingIntentDefault);
+
+}
+
+void QCoreGraphicsPaintEngine::drawImage(const QRectF &r, const QImage &img, const QRectF &sr,
+ Qt::ImageConversionFlags flags)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_UNUSED(flags);
+ Q_ASSERT(isActive());
+
+ if (img.isNull() || state->compositionMode() == QPainter::CompositionMode_Destination)
+ return;
+
+ const QImage *image;
+ QCFType<CGImageRef> cgimage = qt_mac_createCGImageFromQImage(img, &image);
+ CGRect rect = CGRectMake(r.x(), r.y(), r.width(), r.height());
+ if (QRectF(0, 0, img.width(), img.height()) != sr)
+ cgimage = CGImageCreateWithImageInRect(cgimage, CGRectMake(sr.x(), sr.y(),
+ sr.width(), sr.height()));
+ qt_mac_drawCGImage(d->hd, &rect, cgimage);
+}
+
+void QCoreGraphicsPaintEngine::initialize()
+{
+}
+
+void QCoreGraphicsPaintEngine::cleanup()
+{
+}
+
+CGContextRef
+QCoreGraphicsPaintEngine::handle() const
+{
+ return d_func()->hd;
+}
+
+void
+QCoreGraphicsPaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap,
+ const QPointF &p)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ Q_ASSERT(isActive());
+
+ if (state->compositionMode() == QPainter::CompositionMode_Destination)
+ return;
+
+ //save the old state
+ d->saveGraphicsState();
+
+ //setup the pattern
+ QMacPattern *qpattern = new QMacPattern;
+ qpattern->data.pixmap = pixmap;
+ qpattern->foreground = d->current.pen.color();
+ qpattern->pdev = d->pdev;
+ CGPatternCallbacks callbks;
+ callbks.version = 0;
+ callbks.drawPattern = qt_mac_draw_pattern;
+ callbks.releaseInfo = qt_mac_dispose_pattern;
+ const int width = qpattern->width(), height = qpattern->height();
+ CGAffineTransform trans = CGContextGetCTM(d->hd);
+ CGPatternRef pat = CGPatternCreate(qpattern, CGRectMake(0, 0, width, height),
+ trans, width, height,
+ kCGPatternTilingNoDistortion, true, &callbks);
+ CGColorSpaceRef cs = CGColorSpaceCreatePattern(0);
+ CGContextSetFillColorSpace(d->hd, cs);
+ CGFloat component = 1.0; //just one
+ CGContextSetFillPattern(d->hd, pat, &component);
+ CGSize phase = CGSizeApplyAffineTransform(CGSizeMake(-(p.x()-r.x()), -(p.y()-r.y())), trans);
+ CGContextSetPatternPhase(d->hd, phase);
+
+ //fill the rectangle
+ CGRect mac_rect = CGRectMake(r.x(), r.y(), r.width(), r.height());
+ CGContextFillRect(d->hd, mac_rect);
+
+ //restore the state
+ d->restoreGraphicsState();
+ //cleanup
+ CGColorSpaceRelease(cs);
+ CGPatternRelease(pat);
+}
+
+void QCoreGraphicsPaintEngine::drawTextItem(const QPointF &pos, const QTextItem &item)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ if (d->current.transform.type() == QTransform::TxProject
+#ifndef QMAC_NATIVE_GRADIENTS
+ || painter()->pen().brush().gradient() //Just let the base engine "emulate" the gradient
+#endif
+ ) {
+ QPaintEngine::drawTextItem(pos, item);
+ return;
+ }
+
+ if (state->compositionMode() == QPainter::CompositionMode_Destination)
+ return;
+
+ const QTextItemInt &ti = static_cast<const QTextItemInt &>(item);
+
+ QPen oldPen = painter()->pen();
+ QBrush oldBrush = painter()->brush();
+ QPointF oldBrushOrigin = painter()->brushOrigin();
+ updatePen(Qt::NoPen);
+ updateBrush(oldPen.brush(), QPointF(0, 0));
+
+ Q_ASSERT(type() == QPaintEngine::CoreGraphics);
+
+ QFontEngine *fe = ti.fontEngine;
+
+ const bool textAA = state->renderHints() & QPainter::TextAntialiasing && fe->fontDef.pointSize > qt_antialiasing_threshold && !(fe->fontDef.styleStrategy & QFont::NoAntialias);
+ const bool lineAA = state->renderHints() & QPainter::Antialiasing;
+ if(textAA != lineAA)
+ CGContextSetShouldAntialias(d->hd, textAA);
+
+ if (ti.glyphs.numGlyphs) {
+ switch (fe->type()) {
+ case QFontEngine::Mac:
+#ifdef QT_MAC_USE_COCOA
+ static_cast<QCoreTextFontEngine *>(fe)->draw(d->hd, pos.x(), pos.y(), ti, paintDevice()->height());
+#else
+ static_cast<QFontEngineMac *>(fe)->draw(d->hd, pos.x(), pos.y(), ti, paintDevice()->height());
+#endif
+ break;
+ case QFontEngine::Box:
+ d->drawBoxTextItem(pos, ti);
+ break;
+ default:
+ break;
+ }
+ }
+
+ if(textAA != lineAA)
+ CGContextSetShouldAntialias(d->hd, !textAA);
+
+ updatePen(oldPen);
+ updateBrush(oldBrush, oldBrushOrigin);
+}
+
+QPainter::RenderHints
+QCoreGraphicsPaintEngine::supportedRenderHints() const
+{
+ return QPainter::RenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
+}
+enum CGCompositeMode {
+ kCGCompositeModeClear = 0,
+ kCGCompositeModeCopy = 1,
+ kCGCompositeModeSourceOver = 2,
+ kCGCompositeModeSourceIn = 3,
+ kCGCompositeModeSourceOut = 4,
+ kCGCompositeModeSourceAtop = 5,
+ kCGCompositeModeDestinationOver = 6,
+ kCGCompositeModeDestinationIn = 7,
+ kCGCompositeModeDestinationOut = 8,
+ kCGCompositeModeDestinationAtop = 9,
+ kCGCompositeModeXOR = 10,
+ kCGCompositeModePlusDarker = 11, // (max (0, (1-d) + (1-s)))
+ kCGCompositeModePlusLighter = 12, // (min (1, s + d))
+ };
+extern "C" {
+ extern void CGContextSetCompositeOperation(CGContextRef, int);
+} // private function, but is in all versions of OS X.
+void
+QCoreGraphicsPaintEngine::updateCompositionMode(QPainter::CompositionMode mode)
+{
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
+ if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_5) {
+ int cg_mode = kCGBlendModeNormal;
+ switch(mode) {
+ case QPainter::CompositionMode_Multiply:
+ cg_mode = kCGBlendModeMultiply;
+ break;
+ case QPainter::CompositionMode_Screen:
+ cg_mode = kCGBlendModeScreen;
+ break;
+ case QPainter::CompositionMode_Overlay:
+ cg_mode = kCGBlendModeOverlay;
+ break;
+ case QPainter::CompositionMode_Darken:
+ cg_mode = kCGBlendModeDarken;
+ break;
+ case QPainter::CompositionMode_Lighten:
+ cg_mode = kCGBlendModeLighten;
+ break;
+ case QPainter::CompositionMode_ColorDodge:
+ cg_mode = kCGBlendModeColorDodge;
+ break;
+ case QPainter::CompositionMode_ColorBurn:
+ cg_mode = kCGBlendModeColorBurn;
+ break;
+ case QPainter::CompositionMode_HardLight:
+ cg_mode = kCGBlendModeHardLight;
+ break;
+ case QPainter::CompositionMode_SoftLight:
+ cg_mode = kCGBlendModeSoftLight;
+ break;
+ case QPainter::CompositionMode_Difference:
+ cg_mode = kCGBlendModeDifference;
+ break;
+ case QPainter::CompositionMode_Exclusion:
+ cg_mode = kCGBlendModeExclusion;
+ break;
+ case QPainter::CompositionMode_Plus:
+ cg_mode = kCGBlendModePlusLighter;
+ break;
+ case QPainter::CompositionMode_SourceOver:
+ cg_mode = kCGBlendModeNormal;
+ break;
+ case QPainter::CompositionMode_DestinationOver:
+ cg_mode = kCGBlendModeDestinationOver;
+ break;
+ case QPainter::CompositionMode_Clear:
+ cg_mode = kCGBlendModeClear;
+ break;
+ case QPainter::CompositionMode_Source:
+ cg_mode = kCGBlendModeCopy;
+ break;
+ case QPainter::CompositionMode_Destination:
+ cg_mode = -1;
+ break;
+ case QPainter::CompositionMode_SourceIn:
+ cg_mode = kCGBlendModeSourceIn;
+ break;
+ case QPainter::CompositionMode_DestinationIn:
+ cg_mode = kCGCompositeModeDestinationIn;
+ break;
+ case QPainter::CompositionMode_SourceOut:
+ cg_mode = kCGBlendModeSourceOut;
+ break;
+ case QPainter::CompositionMode_DestinationOut:
+ cg_mode = kCGBlendModeDestinationOver;
+ break;
+ case QPainter::CompositionMode_SourceAtop:
+ cg_mode = kCGBlendModeSourceAtop;
+ break;
+ case QPainter::CompositionMode_DestinationAtop:
+ cg_mode = kCGBlendModeDestinationAtop;
+ break;
+ case QPainter::CompositionMode_Xor:
+ cg_mode = kCGBlendModeXOR;
+ break;
+ default:
+ break;
+ }
+ if (cg_mode > -1) {
+ CGContextSetBlendMode(d_func()->hd, CGBlendMode(cg_mode));
+ }
+ } else
+#endif
+ // The standard porter duff ops.
+ if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_3
+ && mode <= QPainter::CompositionMode_Xor) {
+ int cg_mode = kCGCompositeModeCopy;
+ switch (mode) {
+ case QPainter::CompositionMode_SourceOver:
+ cg_mode = kCGCompositeModeSourceOver;
+ break;
+ case QPainter::CompositionMode_DestinationOver:
+ cg_mode = kCGCompositeModeDestinationOver;
+ break;
+ case QPainter::CompositionMode_Clear:
+ cg_mode = kCGCompositeModeClear;
+ break;
+ default:
+ qWarning("QCoreGraphicsPaintEngine: Unhandled composition mode %d", (int)mode);
+ break;
+ case QPainter::CompositionMode_Source:
+ cg_mode = kCGCompositeModeCopy;
+ break;
+ case QPainter::CompositionMode_Destination:
+ cg_mode = CGCompositeMode(-1);
+ break;
+ case QPainter::CompositionMode_SourceIn:
+ cg_mode = kCGCompositeModeSourceIn;
+ break;
+ case QPainter::CompositionMode_DestinationIn:
+ cg_mode = kCGCompositeModeDestinationIn;
+ break;
+ case QPainter::CompositionMode_SourceOut:
+ cg_mode = kCGCompositeModeSourceOut;
+ break;
+ case QPainter::CompositionMode_DestinationOut:
+ cg_mode = kCGCompositeModeDestinationOut;
+ break;
+ case QPainter::CompositionMode_SourceAtop:
+ cg_mode = kCGCompositeModeSourceAtop;
+ break;
+ case QPainter::CompositionMode_DestinationAtop:
+ cg_mode = kCGCompositeModeDestinationAtop;
+ break;
+ case QPainter::CompositionMode_Xor:
+ cg_mode = kCGCompositeModeXOR;
+ break;
+ }
+ if (cg_mode > -1)
+ CGContextSetCompositeOperation(d_func()->hd, CGCompositeMode(cg_mode));
+ } else {
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
+ bool needPrivateAPI = false;
+ if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
+ int cg_mode = kCGBlendModeNormal;
+ switch (mode) {
+ case QPainter::CompositionMode_Multiply:
+ cg_mode = kCGBlendModeMultiply;
+ break;
+ case QPainter::CompositionMode_Screen:
+ cg_mode = kCGBlendModeScreen;
+ break;
+ case QPainter::CompositionMode_Overlay:
+ cg_mode = kCGBlendModeOverlay;
+ break;
+ case QPainter::CompositionMode_Darken:
+ cg_mode = kCGBlendModeDarken;
+ break;
+ case QPainter::CompositionMode_Lighten:
+ cg_mode = kCGBlendModeLighten;
+ break;
+ case QPainter::CompositionMode_ColorDodge:
+ cg_mode = kCGBlendModeColorDodge;
+ break;
+ case QPainter::CompositionMode_ColorBurn:
+ cg_mode = kCGBlendModeColorBurn;
+ break;
+ case QPainter::CompositionMode_HardLight:
+ cg_mode = kCGBlendModeHardLight;
+ break;
+ case QPainter::CompositionMode_SoftLight:
+ cg_mode = kCGBlendModeSoftLight;
+ break;
+ case QPainter::CompositionMode_Difference:
+ cg_mode = kCGBlendModeDifference;
+ break;
+ case QPainter::CompositionMode_Exclusion:
+ cg_mode = kCGBlendModeExclusion;
+ break;
+ case QPainter::CompositionMode_Plus:
+ needPrivateAPI = true;
+ cg_mode = kCGCompositeModePlusLighter;
+ break;
+ default:
+ break;
+ }
+ if (!needPrivateAPI)
+ CGContextSetBlendMode(d_func()->hd, CGBlendMode(cg_mode));
+ else
+ CGContextSetCompositeOperation(d_func()->hd, CGCompositeMode(cg_mode));
+ }
+#endif
+ }
+}
+
+void
+QCoreGraphicsPaintEngine::updateRenderHints(QPainter::RenderHints hints)
+{
+ Q_D(QCoreGraphicsPaintEngine);
+ CGContextSetShouldAntialias(d->hd, hints & QPainter::Antialiasing);
+ static const CGFloat ScaleFactor = qt_mac_get_scalefactor();
+ if (ScaleFactor > 1.) {
+ CGContextSetInterpolationQuality(d->hd, kCGInterpolationHigh);
+ } else {
+ CGContextSetInterpolationQuality(d->hd, (hints & QPainter::SmoothPixmapTransform) ?
+ kCGInterpolationHigh : kCGInterpolationNone);
+ }
+ CGContextSetShouldSmoothFonts(d->hd, hints & QPainter::TextAntialiasing);
+}
+
+/*
+ Returns the size of one device pixel in user-space coordinates.
+*/
+QPointF QCoreGraphicsPaintEnginePrivate::devicePixelSize(CGContextRef)
+{
+ QPointF p1 = current.transform.inverted().map(QPointF(0, 0));
+ QPointF p2 = current.transform.inverted().map(QPointF(1, 1));
+ return QPointF(qAbs(p2.x() - p1.x()), qAbs(p2.y() - p1.y()));
+}
+
+/*
+ Adjusts the pen width so we get correct line widths in the
+ non-transformed, aliased case.
+*/
+float QCoreGraphicsPaintEnginePrivate::adjustPenWidth(float penWidth)
+{
+ Q_Q(QCoreGraphicsPaintEngine);
+ float ret = penWidth;
+ if (!complexXForm && !(q->state->renderHints() & QPainter::Antialiasing)) {
+ if (penWidth < 2)
+ ret = 1;
+ else if (penWidth < 3)
+ ret = 1.5;
+ else
+ ret = penWidth -1;
+ }
+ return ret;
+}
+
+void
+QCoreGraphicsPaintEnginePrivate::setStrokePen(const QPen &pen)
+{
+ //pencap
+ CGLineCap cglinecap = kCGLineCapButt;
+ if(pen.capStyle() == Qt::SquareCap)
+ cglinecap = kCGLineCapSquare;
+ else if(pen.capStyle() == Qt::RoundCap)
+ cglinecap = kCGLineCapRound;
+ CGContextSetLineCap(hd, cglinecap);
+ CGContextSetLineWidth(hd, adjustPenWidth(pen.widthF()));
+
+ //join
+ CGLineJoin cglinejoin = kCGLineJoinMiter;
+ if(pen.joinStyle() == Qt::BevelJoin)
+ cglinejoin = kCGLineJoinBevel;
+ else if(pen.joinStyle() == Qt::RoundJoin)
+ cglinejoin = kCGLineJoinRound;
+ CGContextSetLineJoin(hd, cglinejoin);
+// CGContextSetMiterLimit(hd, pen.miterLimit());
+
+ //pen style
+ QVector<CGFloat> linedashes;
+ if(pen.style() == Qt::CustomDashLine) {
+ QVector<qreal> customs = pen.dashPattern();
+ for(int i = 0; i < customs.size(); ++i)
+ linedashes.append(customs.at(i));
+ } else if(pen.style() == Qt::DashLine) {
+ linedashes.append(4);
+ linedashes.append(2);
+ } else if(pen.style() == Qt::DotLine) {
+ linedashes.append(1);
+ linedashes.append(2);
+ } else if(pen.style() == Qt::DashDotLine) {
+ linedashes.append(4);
+ linedashes.append(2);
+ linedashes.append(1);
+ linedashes.append(2);
+ } else if(pen.style() == Qt::DashDotDotLine) {
+ linedashes.append(4);
+ linedashes.append(2);
+ linedashes.append(1);
+ linedashes.append(2);
+ linedashes.append(1);
+ linedashes.append(2);
+ }
+ const CGFloat cglinewidth = pen.widthF() <= 0.0f ? 1.0f : float(pen.widthF());
+ for(int i = 0; i < linedashes.size(); ++i) {
+ linedashes[i] *= cglinewidth;
+ if(cglinewidth < 3 && (cglinecap == kCGLineCapSquare || cglinecap == kCGLineCapRound)) {
+ if((i%2))
+ linedashes[i] += cglinewidth/2;
+ else
+ linedashes[i] -= cglinewidth/2;
+ }
+ }
+ CGContextSetLineDash(hd, pen.dashOffset() * cglinewidth, linedashes.data(), linedashes.size());
+
+ // color
+ CGContextSetStrokeColorWithColor(hd, cgColorForQColor(pen.color(), pdev));
+}
+
+// Add our own patterns here to deal with the fact that the coordinate system
+// is flipped vertically with Quartz2D.
+static const uchar *qt_mac_patternForBrush(int brushStyle)
+{
+ Q_ASSERT(brushStyle > Qt::SolidPattern && brushStyle < Qt::LinearGradientPattern);
+ static const uchar dense1_pat[] = { 0x00, 0x00, 0x44, 0x00, 0x00, 0x00, 0x44, 0x00 };
+ static const uchar dense2_pat[] = { 0x00, 0x22, 0x00, 0x88, 0x00, 0x22, 0x00, 0x88 };
+ static const uchar dense3_pat[] = { 0x11, 0xaa, 0x44, 0xaa, 0x11, 0xaa, 0x44, 0xaa };
+ static const uchar dense4_pat[] = { 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55 };
+ static const uchar dense5_pat[] = { 0xee, 0x55, 0xbb, 0x55, 0xee, 0x55, 0xbb, 0x55 };
+ static const uchar dense6_pat[] = { 0xff, 0xdd, 0xff, 0x77, 0xff, 0xdd, 0xff, 0x77 };
+ static const uchar dense7_pat[] = { 0xff, 0xff, 0xbb, 0xff, 0xff, 0xff, 0xbb, 0xff };
+ static const uchar hor_pat[] = { 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff };
+ static const uchar ver_pat[] = { 0xef, 0xef, 0xef, 0xef, 0xef, 0xef, 0xef, 0xef };
+ static const uchar cross_pat[] = { 0xef, 0xef, 0xef, 0xef, 0x00, 0xef, 0xef, 0xef };
+ static const uchar fdiag_pat[] = { 0x7f, 0xbf, 0xdf, 0xef, 0xf7, 0xfb, 0xfd, 0xfe };
+ static const uchar bdiag_pat[] = { 0xfe, 0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xbf, 0x7f };
+ static const uchar dcross_pat[] = { 0x7e, 0xbd, 0xdb, 0xe7, 0xe7, 0xdb, 0xbd, 0x7e };
+ static const uchar *const pat_tbl[] = {
+ dense1_pat, dense2_pat, dense3_pat, dense4_pat, dense5_pat,
+ dense6_pat, dense7_pat,
+ hor_pat, ver_pat, cross_pat, bdiag_pat, fdiag_pat, dcross_pat };
+ return pat_tbl[brushStyle - Qt::Dense1Pattern];
+}
+
+void QCoreGraphicsPaintEnginePrivate::setFillBrush(const QPointF &offset)
+{
+ // pattern
+ Qt::BrushStyle bs = current.brush.style();
+#ifdef QT_MAC_USE_NATIVE_GRADIENTS
+ if (bs == Qt::LinearGradientPattern || bs == Qt::RadialGradientPattern) {
+ const QGradient *grad = static_cast<const QGradient*>(current.brush.gradient());
+ if (drawGradientNatively(grad)) {
+ Q_ASSERT(grad->spread() == QGradient::PadSpread);
+
+ static const CGFloat domain[] = { 0.0f, +1.0f };
+ static const CGFunctionCallbacks callbacks = { 0, qt_mac_color_gradient_function, 0 };
+ CGFunctionRef fill_func = CGFunctionCreate(reinterpret_cast<void *>(¤t.brush),
+ 1, domain, 4, 0, &callbacks);
+
+ CGColorSpaceRef colorspace = qt_mac_colorSpaceForDeviceType(pdev);
+ if (bs == Qt::LinearGradientPattern) {
+ const QLinearGradient *linearGrad = static_cast<const QLinearGradient *>(grad);
+ const QPointF start(linearGrad->start());
+ const QPointF stop(linearGrad->finalStop());
+ shading = CGShadingCreateAxial(colorspace, CGPointMake(start.x(), start.y()),
+ CGPointMake(stop.x(), stop.y()), fill_func, true, true);
+ } else {
+ Q_ASSERT(bs == Qt::RadialGradientPattern);
+ const QRadialGradient *radialGrad = static_cast<const QRadialGradient *>(grad);
+ QPointF center(radialGrad->center());
+ QPointF focal(radialGrad->focalPoint());
+ qreal radius = radialGrad->radius();
+ shading = CGShadingCreateRadial(colorspace, CGPointMake(focal.x(), focal.y()),
+ 0.0, CGPointMake(center.x(), center.y()), radius, fill_func, false, true);
+ }
+
+ CGFunctionRelease(fill_func);
+ }
+ } else
+#endif
+ if(bs != Qt::SolidPattern && bs != Qt::NoBrush
+#ifndef QT_MAC_USE_NATIVE_GRADIENTS
+ && (bs < Qt::LinearGradientPattern || bs > Qt::ConicalGradientPattern)
+#endif
+ )
+ {
+ QMacPattern *qpattern = new QMacPattern;
+ qpattern->pdev = pdev;
+ CGFloat components[4] = { 1.0, 1.0, 1.0, 1.0 };
+ CGColorSpaceRef base_colorspace = 0;
+ if(bs == Qt::TexturePattern) {
+ qpattern->data.pixmap = current.brush.texture();
+ if(qpattern->data.pixmap.isQBitmap()) {
+ const QColor &col = current.brush.color();
+ components[0] = qt_mac_convert_color_to_cg(col.red());
+ components[1] = qt_mac_convert_color_to_cg(col.green());
+ components[2] = qt_mac_convert_color_to_cg(col.blue());
+ base_colorspace = QCoreGraphicsPaintEngine::macGenericColorSpace();
+ }
+ } else {
+ qpattern->as_mask = true;
+
+ qpattern->data.bytes = qt_mac_patternForBrush(bs);
+ const QColor &col = current.brush.color();
+ components[0] = qt_mac_convert_color_to_cg(col.red());
+ components[1] = qt_mac_convert_color_to_cg(col.green());
+ components[2] = qt_mac_convert_color_to_cg(col.blue());
+ base_colorspace = QCoreGraphicsPaintEngine::macGenericColorSpace();
+ }
+ int width = qpattern->width(), height = qpattern->height();
+ qpattern->foreground = current.brush.color();
+
+ CGColorSpaceRef fill_colorspace = CGColorSpaceCreatePattern(base_colorspace);
+ CGContextSetFillColorSpace(hd, fill_colorspace);
+
+ CGAffineTransform xform = CGContextGetCTM(hd);
+ xform = CGAffineTransformConcat(qt_mac_convert_transform_to_cg(current.brush.transform()), xform);
+ xform = CGAffineTransformTranslate(xform, offset.x(), offset.y());
+
+ CGPatternCallbacks callbks;
+ callbks.version = 0;
+ callbks.drawPattern = qt_mac_draw_pattern;
+ callbks.releaseInfo = qt_mac_dispose_pattern;
+ CGPatternRef fill_pattern = CGPatternCreate(qpattern, CGRectMake(0, 0, width, height),
+ xform, width, height, kCGPatternTilingNoDistortion,
+ !base_colorspace, &callbks);
+ CGContextSetFillPattern(hd, fill_pattern, components);
+
+ CGPatternRelease(fill_pattern);
+ CGColorSpaceRelease(fill_colorspace);
+ } else if(bs != Qt::NoBrush) {
+ CGContextSetFillColorWithColor(hd, cgColorForQColor(current.brush.color(), pdev));
+ }
+}
+
+void
+QCoreGraphicsPaintEnginePrivate::setClip(const QRegion *rgn)
+{
+ Q_Q(QCoreGraphicsPaintEngine);
+ if(hd) {
+ resetClip();
+ QRegion sysClip = q->systemClip();
+ if(!sysClip.isEmpty())
+ qt_mac_clip_cg(hd, sysClip, &orig_xform);
+ if(rgn)
+ qt_mac_clip_cg(hd, *rgn, 0);
+ }
+}
+
+struct qt_mac_cg_transform_path {
+ CGMutablePathRef path;
+ CGAffineTransform transform;
+};
+
+void qt_mac_cg_transform_path_apply(void *info, const CGPathElement *element)
+{
+ Q_ASSERT(info && element);
+ qt_mac_cg_transform_path *t = (qt_mac_cg_transform_path*)info;
+ switch(element->type) {
+ case kCGPathElementMoveToPoint:
+ CGPathMoveToPoint(t->path, &t->transform, element->points[0].x, element->points[0].y);
+ break;
+ case kCGPathElementAddLineToPoint:
+ CGPathAddLineToPoint(t->path, &t->transform, element->points[0].x, element->points[0].y);
+ break;
+ case kCGPathElementAddQuadCurveToPoint:
+ CGPathAddQuadCurveToPoint(t->path, &t->transform, element->points[0].x, element->points[0].y,
+ element->points[1].x, element->points[1].y);
+ break;
+ case kCGPathElementAddCurveToPoint:
+ CGPathAddCurveToPoint(t->path, &t->transform, element->points[0].x, element->points[0].y,
+ element->points[1].x, element->points[1].y,
+ element->points[2].x, element->points[2].y);
+ break;
+ case kCGPathElementCloseSubpath:
+ CGPathCloseSubpath(t->path);
+ break;
+ default:
+ qDebug() << "Unhandled path transform type: " << element->type;
+ }
+}
+
+void QCoreGraphicsPaintEnginePrivate::drawPath(uchar ops, CGMutablePathRef path)
+{
+ Q_Q(QCoreGraphicsPaintEngine);
+ Q_ASSERT((ops & (CGFill | CGEOFill)) != (CGFill | CGEOFill)); //can't really happen
+ if((ops & (CGFill | CGEOFill))) {
+ if (shading) {
+ Q_ASSERT(path);
+ CGContextBeginPath(hd);
+ CGContextAddPath(hd, path);
+ saveGraphicsState();
+ if (ops & CGFill)
+ CGContextClip(hd);
+ else if (ops & CGEOFill)
+ CGContextEOClip(hd);
+ if (current.brush.gradient()->coordinateMode() == QGradient::ObjectBoundingMode) {
+ CGRect boundingBox = CGPathGetBoundingBox(path);
+ CGContextConcatCTM(hd,
+ CGAffineTransformMake(boundingBox.size.width, 0,
+ 0, boundingBox.size.height,
+ boundingBox.origin.x, boundingBox.origin.y));
+ }
+ CGContextDrawShading(hd, shading);
+ restoreGraphicsState();
+ ops &= ~CGFill;
+ ops &= ~CGEOFill;
+ } else if (current.brush.style() == Qt::NoBrush) {
+ ops &= ~CGFill;
+ ops &= ~CGEOFill;
+ }
+ }
+ if((ops & CGStroke) && current.pen.style() == Qt::NoPen)
+ ops &= ~CGStroke;
+
+ if(ops & (CGEOFill | CGFill)) {
+ CGContextBeginPath(hd);
+ CGContextAddPath(hd, path);
+ if (ops & CGEOFill) {
+ CGContextEOFillPath(hd);
+ } else {
+ CGContextFillPath(hd);
+ }
+ }
+
+ // Avoid saving and restoring the context if we can.
+ const bool needContextSave = (cosmeticPen != QCoreGraphicsPaintEnginePrivate::CosmeticNone ||
+ !(q->state->renderHints() & QPainter::Antialiasing));
+ if(ops & CGStroke) {
+ if (needContextSave)
+ saveGraphicsState();
+ CGContextBeginPath(hd);
+
+ // Translate a fraction of a pixel size in the y direction
+ // to make sure that primitives painted at pixel borders
+ // fills the right pixel. This is needed since the y xais
+ // in the Quartz coordinate system is inverted compared to Qt.
+ if (!(q->state->renderHints() & QPainter::Antialiasing)) {
+ if (current.pen.style() == Qt::SolidLine || current.pen.width() >= 3)
+ CGContextTranslateCTM(hd, double(pixelSize.x()) * 0.25, double(pixelSize.y()) * 0.25);
+ else if (current.pen.style() == Qt::DotLine && QSysInfo::MacintoshVersion == QSysInfo::MV_10_3)
+ ; // Do nothing.
+ else
+ CGContextTranslateCTM(hd, 0, double(pixelSize.y()) * 0.1);
+ }
+
+ if (cosmeticPen != QCoreGraphicsPaintEnginePrivate::CosmeticNone) {
+ // If antialiazing is enabled, use the cosmetic pen size directly.
+ if (q->state->renderHints() & QPainter::Antialiasing)
+ CGContextSetLineWidth(hd, cosmeticPenSize);
+ else if (current.pen.widthF() <= 1)
+ CGContextSetLineWidth(hd, cosmeticPenSize * 0.9f);
+ else
+ CGContextSetLineWidth(hd, cosmeticPenSize);
+ }
+ if(cosmeticPen == QCoreGraphicsPaintEnginePrivate::CosmeticTransformPath) {
+ qt_mac_cg_transform_path t;
+ t.transform = qt_mac_convert_transform_to_cg(current.transform);
+ t.path = CGPathCreateMutable();
+ CGPathApply(path, &t, qt_mac_cg_transform_path_apply); //transform the path
+ setTransform(0); //unset the context transform
+ CGContextSetLineWidth(hd, cosmeticPenSize);
+ CGContextAddPath(hd, t.path);
+ CGPathRelease(t.path);
+ } else {
+ CGContextAddPath(hd, path);
+ }
+
+ CGContextStrokePath(hd);
+ if (needContextSave)
+ restoreGraphicsState();
+ }
+}
+
+QT_END_NAMESPACE