1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QQUICKCONTEXT2DCOMMANDBUFFER_P_H |
5 | #define QQUICKCONTEXT2DCOMMANDBUFFER_P_H |
6 | |
7 | // |
8 | // W A R N I N G |
9 | // ------------- |
10 | // |
11 | // This file is not part of the Qt API. It exists purely as an |
12 | // implementation detail. This header file may change from version to |
13 | // version without notice, or even be removed. |
14 | // |
15 | // We mean it. |
16 | // |
17 | |
18 | #include <private/qtquickglobal_p.h> |
19 | |
20 | QT_REQUIRE_CONFIG(quick_canvas); |
21 | |
22 | #include <QtCore/qmutex.h> |
23 | #include "qquickcontext2d_p.h" |
24 | |
25 | QT_BEGIN_NAMESPACE |
26 | |
27 | class QQuickCanvasItem; |
28 | class QMutex; |
29 | |
30 | class QQuickContext2DCommandBuffer |
31 | { |
32 | public: |
33 | QQuickContext2DCommandBuffer(); |
34 | ~QQuickContext2DCommandBuffer(); |
35 | void reset(); |
36 | void clear(); |
37 | |
38 | inline int size() const { return commands.size(); } |
39 | inline bool isEmpty() const {return commands.isEmpty(); } |
40 | inline bool hasNext() const {return cmdIdx < commands.size(); } |
41 | inline QQuickContext2D::PaintCommand takeNextCommand() { return commands.at(i: cmdIdx++); } |
42 | |
43 | inline qreal takeGlobalAlpha() { return takeReal(); } |
44 | inline QPainter::CompositionMode takeGlobalCompositeOperation(){ return static_cast<QPainter::CompositionMode>(takeInt()); } |
45 | inline QBrush takeStrokeStyle() { return takeBrush(); } |
46 | inline QBrush takeFillStyle() { return takeBrush(); } |
47 | |
48 | inline qreal takeLineWidth() { return takeReal(); } |
49 | inline Qt::PenCapStyle takeLineCap() { return static_cast<Qt::PenCapStyle>(takeInt());} |
50 | inline Qt::PenJoinStyle takeLineJoin(){ return static_cast<Qt::PenJoinStyle>(takeInt());} |
51 | inline qreal takeMiterLimit() { return takeReal(); } |
52 | |
53 | inline void setGlobalAlpha( qreal alpha) |
54 | { |
55 | commands << QQuickContext2D::GlobalAlpha; |
56 | reals << alpha; |
57 | } |
58 | |
59 | inline void setGlobalCompositeOperation(QPainter::CompositionMode cm) |
60 | { |
61 | commands << QQuickContext2D::GlobalCompositeOperation; |
62 | ints << cm; |
63 | } |
64 | |
65 | inline void setStrokeStyle(const QBrush &style, bool repeatX = false, bool repeatY = false) |
66 | { |
67 | commands << QQuickContext2D::StrokeStyle; |
68 | brushes << style; |
69 | bools << repeatX << repeatY; |
70 | } |
71 | |
72 | inline void drawImage(const QImage& image, const QRectF& sr, const QRectF& dr) |
73 | { |
74 | commands << QQuickContext2D::DrawImage; |
75 | images << image; |
76 | rects << sr << dr; |
77 | } |
78 | |
79 | inline void drawPixmap(QQmlRefPointer<QQuickCanvasPixmap> pixmap, const QRectF& sr, const QRectF& dr) |
80 | { |
81 | commands << QQuickContext2D::DrawPixmap; |
82 | pixmaps << pixmap; |
83 | rects << sr << dr; |
84 | } |
85 | |
86 | inline qreal takeShadowOffsetX() { return takeReal(); } |
87 | inline qreal takeShadowOffsetY() { return takeReal(); } |
88 | inline qreal takeShadowBlur() { return takeReal(); } |
89 | inline QColor takeShadowColor() { return takeColor(); } |
90 | |
91 | |
92 | inline void updateMatrix(const QTransform& matrix) |
93 | { |
94 | commands << QQuickContext2D::UpdateMatrix; |
95 | matrixes << matrix; |
96 | } |
97 | |
98 | inline void clearRect(const QRectF& r) |
99 | { |
100 | commands << QQuickContext2D::ClearRect; |
101 | rects << r; |
102 | } |
103 | |
104 | inline void fillRect(const QRectF& r) |
105 | { |
106 | commands << QQuickContext2D::FillRect; |
107 | rects << r; |
108 | } |
109 | |
110 | inline void strokeRect(const QRectF& r) |
111 | { |
112 | QPainterPath p; |
113 | p.addRect(rect: r); |
114 | |
115 | commands << QQuickContext2D::Stroke; |
116 | pathes << p; |
117 | } |
118 | |
119 | |
120 | inline void fill(const QPainterPath& path) |
121 | { |
122 | commands << QQuickContext2D::Fill; |
123 | pathes << path; |
124 | |
125 | } |
126 | |
127 | inline void stroke(const QPainterPath& path) |
128 | { |
129 | commands << QQuickContext2D::Stroke; |
130 | pathes << path; |
131 | } |
132 | |
133 | inline void clip(bool enabled, const QPainterPath& path) |
134 | { |
135 | commands << QQuickContext2D::Clip; |
136 | bools << enabled; |
137 | pathes << path; |
138 | } |
139 | |
140 | |
141 | |
142 | inline void setFillStyle(const QBrush &style, bool repeatX = false, bool repeatY = false) |
143 | { |
144 | commands << QQuickContext2D::FillStyle; |
145 | brushes << style; |
146 | bools << repeatX << repeatY; |
147 | } |
148 | |
149 | |
150 | inline void setLineWidth( qreal w) |
151 | { |
152 | commands << QQuickContext2D::LineWidth; |
153 | reals << w; |
154 | } |
155 | |
156 | inline void setLineCap(Qt::PenCapStyle cap) |
157 | { |
158 | commands << QQuickContext2D::LineCap; |
159 | ints << cap; |
160 | } |
161 | |
162 | inline void setLineJoin(Qt::PenJoinStyle join) |
163 | { |
164 | commands << QQuickContext2D::LineJoin; |
165 | ints << join; |
166 | } |
167 | |
168 | inline void setLineDash(const QVector<qreal> &pattern) |
169 | { |
170 | commands << QQuickContext2D::LineDash; |
171 | reals << pattern.size(); |
172 | for (qreal r : pattern) |
173 | reals << r; |
174 | } |
175 | |
176 | inline void setLineDashOffset( qreal offset) |
177 | { |
178 | commands << QQuickContext2D::LineDashOffset; |
179 | reals << offset; |
180 | } |
181 | |
182 | inline void setMiterLimit( qreal limit) |
183 | { |
184 | commands << QQuickContext2D::MiterLimit; |
185 | reals << limit; |
186 | } |
187 | |
188 | inline void setShadowOffsetX( qreal x) |
189 | { |
190 | commands << QQuickContext2D::ShadowOffsetX; |
191 | reals << x; |
192 | } |
193 | |
194 | inline void setShadowOffsetY( qreal y) |
195 | { |
196 | commands << QQuickContext2D::ShadowOffsetY; |
197 | reals << y; |
198 | } |
199 | |
200 | inline void setShadowBlur( qreal b) |
201 | { |
202 | commands << QQuickContext2D::ShadowBlur; |
203 | reals << b; |
204 | } |
205 | |
206 | inline void setShadowColor(const QColor &color) |
207 | { |
208 | commands << QQuickContext2D::ShadowColor; |
209 | colors << color; |
210 | } |
211 | |
212 | inline QTransform takeMatrix() { return matrixes.at(i: matrixIdx++); } |
213 | |
214 | inline QRectF takeRect() { return rects.at(i: rectIdx++); } |
215 | |
216 | inline QPainterPath takePath() { return pathes.at(i: pathIdx++); } |
217 | |
218 | inline const QImage& takeImage() { return images.at(i: imageIdx++); } |
219 | inline QQmlRefPointer<QQuickCanvasPixmap> takePixmap() { return pixmaps.at(i: pixmapIdx++); } |
220 | |
221 | inline int takeInt() { return ints.at(i: intIdx++); } |
222 | inline bool takeBool() {return bools.at(i: boolIdx++); } |
223 | inline qreal takeReal() { return reals.at(i: realIdx++); } |
224 | inline QColor takeColor() { return colors.at(i: colorIdx++); } |
225 | inline QBrush takeBrush() { return brushes.at(i: brushIdx++); } |
226 | |
227 | void replay(QPainter* painter, QQuickContext2D::State& state, const QVector2D &scaleFactor); |
228 | |
229 | private: |
230 | static QPen makePen(const QQuickContext2D::State& state); |
231 | void setPainterState(QPainter* painter, const QQuickContext2D::State& state, const QPen& pen); |
232 | int cmdIdx; |
233 | int intIdx; |
234 | int boolIdx; |
235 | int realIdx; |
236 | int rectIdx; |
237 | int colorIdx; |
238 | int matrixIdx; |
239 | int brushIdx; |
240 | int pathIdx; |
241 | int imageIdx; |
242 | int pixmapIdx; |
243 | QVector<QQuickContext2D::PaintCommand> commands; |
244 | |
245 | QVector<int> ints; |
246 | QVector<bool> bools; |
247 | QVector<qreal> reals; |
248 | QVector<QRectF> rects; |
249 | QVector<QColor> colors; |
250 | QVector<QTransform> matrixes; |
251 | QVector<QBrush> brushes; |
252 | QVector<QPainterPath> pathes; |
253 | QVector<QImage> images; |
254 | QVector<QQmlRefPointer<QQuickCanvasPixmap> > pixmaps; |
255 | QMutex queueLock; |
256 | }; |
257 | |
258 | QT_END_NAMESPACE |
259 | |
260 | #endif // QQUICKCONTEXT2DCOMMANDBUFFER_P_H |
261 | |