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Diffstat (limited to 'src/printsupport/platform/macos/qpaintengine_mac_p.h')
| -rw-r--r-- | src/printsupport/platform/macos/qpaintengine_mac_p.h | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/src/printsupport/platform/macos/qpaintengine_mac_p.h b/src/printsupport/platform/macos/qpaintengine_mac_p.h new file mode 100644 index 0000000000..5ee158e8e5 --- /dev/null +++ b/src/printsupport/platform/macos/qpaintengine_mac_p.h @@ -0,0 +1,207 @@ +/**************************************************************************** +** +** 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 <QtPrintSupport/qtprintsupportglobal.h> + +#include <QtGui/qpaintengine.h> +#include <QtGui/private/qpaintengine_p.h> +#include <QtGui/private/qpolygonclipper_p.h> +#include <QtGui/private/qfont_p.h> +#include <QtCore/qhash.h> + +typedef struct CGColorSpace *CGColorSpaceRef; +typedef struct CGContext *CGContextRef; + +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 |