diff options
Diffstat (limited to 'src/plugins/platforms/cocoa/qpaintengine_mac.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qpaintengine_mac.mm | 1422 |
1 files changed, 0 insertions, 1422 deletions
diff --git a/src/plugins/platforms/cocoa/qpaintengine_mac.mm b/src/plugins/platforms/cocoa/qpaintengine_mac.mm deleted file mode 100644 index 00b2267f0d..0000000000 --- a/src/plugins/platforms/cocoa/qpaintengine_mac.mm +++ /dev/null @@ -1,1422 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qpaintengine_mac_p.h" -#if defined(QT_PRINTSUPPORT_LIB) -#include "qprintengine_mac_p.h" -#endif - -#include <qbitmap.h> -#include <qpaintdevice.h> -#include <qpainterpath.h> -#include <qpixmapcache.h> -#include <private/qpaintengine_raster_p.h> -#if defined(QT_PRINTSUPPORT_LIB) -#include <qprinter.h> -#endif -#include <qstack.h> -#include <qwidget.h> -#include <qvarlengtharray.h> -#include <qdebug.h> -#include <qcoreapplication.h> -#include <qmath.h> - -#include <qpa/qplatformpixmap.h> - -#include <private/qfont_p.h> -#include <private/qfontengine_p.h> -#include <private/qfontengine_coretext_p.h> -#include <private/qnumeric_p.h> -#include <private/qpainter_p.h> -#include <private/qpainterpath_p.h> -#include <private/qtextengine_p.h> -#include <private/qcoregraphics_p.h> - -#include "qcocoahelpers.h" - -#include <string.h> - -QT_BEGIN_NAMESPACE - -/***************************************************************************** - QCoreGraphicsPaintEngine utility functions - *****************************************************************************/ - -void qt_mac_cgimage_data_free(void *, const void *memoryToFree, size_t) -{ - free(const_cast<void *>(memoryToFree)); -} - -CGImageRef qt_mac_create_imagemask(const QPixmap &pixmap, const QRectF &sr) -{ - QImage image = pixmap.toImage(); - if (image.format() != QImage::Format_ARGB32_Premultiplied) - image = image.convertToFormat(QImage::Format_ARGB32_Premultiplied); - - const int sx = qRound(sr.x()), sy = qRound(sr.y()), sw = qRound(sr.width()), sh = qRound(sr.height()); - const int sbpr = image.bytesPerLine(); - const uint nbytes = sw * sh; - // alpha is always 255 for bitmaps, ignore it in this case. - const quint32 mask = pixmap.depth() == 1 ? 0x00ffffff : 0xffffffff; - quint8 *dptr = static_cast<quint8 *>(malloc(nbytes)); - quint32 *sptr = reinterpret_cast<quint32 *>(image.scanLine(0)), *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(nullptr, dptr, nbytes, qt_mac_cgimage_data_free); - return CGImageMaskCreate(sw, sh, 8, 8, nbytes / sh, provider, nullptr, false); -} - -//conversion -inline static float qt_mac_convert_color_to_cg(int c) { return ((float)c * 1000 / 255) / 1000; } -CGAffineTransform qt_mac_convert_transform_to_cg(const QTransform &t) { - return CGAffineTransformMake(t.m11(), t.m12(), t.m21(), t.m22(), t.dx(), t.dy()); -} - -inline static QCFType<CGColorRef> cgColorForQColor(const QColor &col) -{ - 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()) - }; - QCFType<CGColorSpaceRef> colorSpace = CGColorSpaceCreateWithName(kCGColorSpaceSRGB); - return CGColorCreate(colorSpace, 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; -} - -//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(nullptr, pat->data.bytes, w*h, nullptr); - pat->image = CGImageMaskCreate(w, h, 1, 1, 1, provider, nullptr, 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(nullptr, xor_bytes, w*h, nullptr); - CGImageRef swatch = CGImageMaskCreate(w, h, 1, 1, 1, provider, nullptr, 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); - QMacCGContext pm_ctx(&pm); - CGContextSetFillColorWithColor(c, cgColorForQColor(c1)); - 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); - 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 = qt_mac_toCGImage(pat->data.pixmap.toImage()); - } - } else { - w = CGImageGetWidth(pat->image); - h = CGImageGetHeight(pat->image); - } - - //draw - bool needRestore = false; - if (CGImageIsMask(pat->image)) { - CGContextSaveGState(c); - CGContextSetFillColorWithColor(c, cgColorForQColor(pat->foreground)); - } - 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); - QMacCGContext ctx(pdev); - d->hd = CGContextRetain(ctx); - if (d->hd) { - d->saveGraphicsState(); - d->orig_xform = CGContextGetCTM(d->hd); - if (d->shading) { - CGShadingRelease(d->shading); - d->shading = nullptr; - } - d->setClip(nullptr); //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 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) { - // ### need to do [qt_mac_window_for(static_cast<QWidget *>(d->pdev)) orderOut]; (need to rename) - } - if (d->shading) { - CGShadingRelease(d->shading); - d->shading = 0; - } - d->pdev = nullptr; - if (d->hd) { - d->restoreGraphicsState(); - CGContextSynchronize(d->hd); - CGContextRelease(d->hd); - d->hd = nullptr; - } - 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 | DirtyHints)) { - if (!qt_pen_is_cosmetic(d->current.pen, state.renderHints())) { - 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 = std::sqrt(2.0f); - qreal width = d->current.pen.widthF(); - if (!width) - width = 1; - d->cosmeticPenSize = std::sqrt(std::pow(d->pixelSize.y(), 2) + std::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 = nullptr; - } - 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(nullptr); - } - } 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(nullptr); - 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); - } - } -} - -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(nullptr); - } 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; - 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, nullptr, 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, nullptr, x, y); - CGPathAddLineToPoint(path, nullptr, 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, nullptr, points[0].x(), points[0].y()); - for (int x = 1; x < pointCount; ++x) - CGPathAddLineToPoint(path, nullptr, points[x].x(), points[x].y()); - if (mode != PolylineMode && points[0] != points[pointCount-1]) - CGPathAddLineToPoint(path, nullptr, 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, nullptr, start.x(), start.y()); - CGPathAddLineToPoint(path, nullptr, 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(r.x(), r.y(), r.width(), 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)); - image = qt_mac_create_imagemask(pm, sr); - } else if (differentSize) { - QCFType<CGImageRef> img = qt_mac_toCGImage(pm.toImage()); - if (img) - image = CGImageCreateWithImageInRect(img, CGRectMake(qRound(sr.x()), qRound(sr.y()), qRound(sr.width()), qRound(sr.height()))); - } else { - image = qt_mac_toCGImage(pm.toImage()); - } - qt_mac_drawCGImage(d->hd, &rect, image); - if (doRestore) - d->restoreGraphicsState(); -} - -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; - - QCFType<CGImageRef> cgimage = qt_mac_toCGImage(img); - 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(nullptr); - 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.styleStrategy & QFont::NoAntialias)); - const bool lineAA = state->renderHints() & QPainter::Antialiasing; - if (textAA != lineAA) - CGContextSetShouldAntialias(d->hd, textAA); - - const bool smoothing = textAA && !(fe->fontDef.styleStrategy & QFont::NoSubpixelAntialias); - if (d->disabledSmoothFonts == smoothing) - CGContextSetShouldSmoothFonts(d->hd, smoothing); - - if (ti.glyphs.numGlyphs) { - switch (fe->type()) { - case QFontEngine::Mac: - static_cast<QCoreTextFontEngine *>(fe)->draw(d->hd, pos.x(), pos.y(), ti, paintDevice()->height()); - break; - case QFontEngine::Box: - d->drawBoxTextItem(pos, ti); - break; - default: - break; - } - } - - if (textAA != lineAA) - CGContextSetShouldAntialias(d->hd, !textAA); - - if (smoothing == d->disabledSmoothFonts) - CGContextSetShouldSmoothFonts(d->hd, !d->disabledSmoothFonts); - - 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) -{ - 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)); - } -} - -void -QCoreGraphicsPaintEngine::updateRenderHints(QPainter::RenderHints hints) -{ - Q_D(QCoreGraphicsPaintEngine); - CGContextSetShouldAntialias(d->hd, hints & QPainter::Antialiasing); - CGContextSetInterpolationQuality(d->hd, (hints & QPainter::SmoothPixmapTransform) ? - kCGInterpolationHigh : kCGInterpolationNone); - bool textAntialiasing = (hints & QPainter::TextAntialiasing) == QPainter::TextAntialiasing; - if (!textAntialiasing || d->disabledSmoothFonts) { - d->disabledSmoothFonts = !textAntialiasing; - CGContextSetShouldSmoothFonts(d->hd, 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())); -} - -// 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, nullptr }; - CGFunctionRef fill_func = CGFunctionCreate(reinterpret_cast<void *>(¤t.brush), - 1, domain, 4, nullptr, &callbacks); - - CGColorSpaceRef colorspace = CGColorSpaceCreateWithName(kCGColorSpaceSRGB) - 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(); - qreal focalRadius = radialGrad->focalRadius(); - shading = CGShadingCreateRadial(colorspace, CGPointMake(focal.x(), focal.y()), - focalRadius, 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 = nullptr; - 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 = CGColorSpaceCreateWithName(kCGColorSpaceSRGB); - } - } 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 = CGColorSpaceCreateWithName(kCGColorSpaceSRGB); - } - 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(base_colorspace); - CGColorSpaceRelease(fill_colorspace); - } else if (bs != Qt::NoBrush) { - CGContextSetFillColorWithColor(hd, cgColorForQColor(current.brush.color())); - } -} - -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, nullptr); - } -} - -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 - 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(nullptr); //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 |