1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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/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
|
