| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QPAINTENGINE_MAC_P_H |
| #define QPAINTENGINE_MAC_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include "QtGui/qpaintengine.h" |
| #include "private/qpaintengine_p.h" |
| #include "private/qpolygonclipper_p.h" |
| #include "private/qfont_p.h" |
| #include "QtCore/qhash.h" |
| |
| #include "qt_mac_p.h" |
| |
| typedef struct CGColorSpace *CGColorSpaceRef; |
| QT_BEGIN_NAMESPACE |
| |
| class QCoreGraphicsPaintEnginePrivate; |
| class QCoreGraphicsPaintEngine : public QPaintEngine |
| { |
| Q_DECLARE_PRIVATE(QCoreGraphicsPaintEngine) |
| |
| public: |
| QCoreGraphicsPaintEngine(); |
| ~QCoreGraphicsPaintEngine(); |
| |
| bool begin(QPaintDevice *pdev); |
| bool end(); |
| |
| void updateState(const QPaintEngineState &state); |
| |
| void updatePen(const QPen &pen); |
| void updateBrush(const QBrush &brush, const QPointF &pt); |
| void updateFont(const QFont &font); |
| void updateOpacity(qreal opacity); |
| void updateMatrix(const QTransform &matrix); |
| void updateTransform(const QTransform &matrix); |
| void updateClipRegion(const QRegion ®ion, Qt::ClipOperation op); |
| void updateClipPath(const QPainterPath &path, Qt::ClipOperation op); |
| void updateCompositionMode(QPainter::CompositionMode mode); |
| void updateRenderHints(QPainter::RenderHints hints); |
| |
| void drawLines(const QLineF *lines, int lineCount); |
| void drawRects(const QRectF *rects, int rectCount); |
| void drawPoints(const QPointF *p, int pointCount); |
| void drawEllipse(const QRectF &r); |
| void drawPath(const QPainterPath &path); |
| |
| void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode); |
| void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr); |
| void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s); |
| |
| void drawTextItem(const QPointF &pos, const QTextItem &item); |
| void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, |
| Qt::ImageConversionFlags flags = Qt::AutoColor); |
| |
| Type type() const { return QPaintEngine::CoreGraphics; } |
| |
| CGContextRef handle() const; |
| |
| static void initialize(); |
| static void cleanup(); |
| |
| QPainter::RenderHints supportedRenderHints() const; |
| |
| //avoid partial shadowed overload warnings... |
| void drawLines(const QLine *lines, int lineCount) { QPaintEngine::drawLines(lines, lineCount); } |
| void drawRects(const QRect *rects, int rectCount) { QPaintEngine::drawRects(rects, rectCount); } |
| void drawPoints(const QPoint *p, int pointCount) { QPaintEngine::drawPoints(p, pointCount); } |
| void drawEllipse(const QRect &r) { QPaintEngine::drawEllipse(r); } |
| void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode) |
| { QPaintEngine::drawPolygon(points, pointCount, mode); } |
| |
| protected: |
| friend class QMacPrintEngine; |
| friend class QMacPrintEnginePrivate; |
| QCoreGraphicsPaintEngine(QPaintEnginePrivate &dptr); |
| |
| private: |
| Q_DISABLE_COPY(QCoreGraphicsPaintEngine) |
| }; |
| |
| /***************************************************************************** |
| Private data |
| *****************************************************************************/ |
| class QCoreGraphicsPaintEnginePrivate : public QPaintEnginePrivate |
| { |
| Q_DECLARE_PUBLIC(QCoreGraphicsPaintEngine) |
| public: |
| QCoreGraphicsPaintEnginePrivate() |
| : hd(nullptr), shading(nullptr), stackCount(0), complexXForm(false), disabledSmoothFonts(false) |
| { |
| } |
| |
| struct { |
| QPen pen; |
| QBrush brush; |
| uint clipEnabled : 1; |
| QRegion clip; |
| QTransform transform; |
| } current; |
| |
| //state info (shared with QD) |
| CGAffineTransform orig_xform; |
| |
| //cg structures |
| CGContextRef hd; |
| CGShadingRef shading; |
| int stackCount; |
| bool complexXForm; |
| bool disabledSmoothFonts; |
| enum { CosmeticNone, CosmeticTransformPath, CosmeticSetPenWidth } cosmeticPen; |
| |
| // pixel and cosmetic pen size in user coordinates. |
| QPointF pixelSize; |
| float cosmeticPenSize; |
| |
| //internal functions |
| enum { CGStroke=0x01, CGEOFill=0x02, CGFill=0x04 }; |
| void drawPath(uchar ops, CGMutablePathRef path = nullptr); |
| void setClip(const QRegion *rgn = nullptr); |
| void resetClip(); |
| void setFillBrush(const QPointF &origin=QPoint()); |
| void setStrokePen(const QPen &pen); |
| inline void saveGraphicsState(); |
| inline void restoreGraphicsState(); |
| float penOffset(); |
| QPointF devicePixelSize(CGContextRef context); |
| float adjustPenWidth(float penWidth); |
| inline void setTransform(const QTransform *matrix = nullptr) |
| { |
| CGContextConcatCTM(hd, CGAffineTransformInvert(CGContextGetCTM(hd))); |
| CGAffineTransform xform = orig_xform; |
| if (matrix) { |
| extern CGAffineTransform qt_mac_convert_transform_to_cg(const QTransform &); |
| xform = CGAffineTransformConcat(qt_mac_convert_transform_to_cg(*matrix), xform); |
| } |
| CGContextConcatCTM(hd, xform); |
| CGContextSetTextMatrix(hd, xform); |
| } |
| }; |
| |
| inline void QCoreGraphicsPaintEnginePrivate::saveGraphicsState() |
| { |
| ++stackCount; |
| CGContextSaveGState(hd); |
| } |
| |
| inline void QCoreGraphicsPaintEnginePrivate::restoreGraphicsState() |
| { |
| --stackCount; |
| Q_ASSERT(stackCount >= 0); |
| CGContextRestoreGState(hd); |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif // QPAINTENGINE_MAC_P_H |