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qquickcontext2d_p.h

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2static_assert(bool(1 == 1), "Required feature " "quick_canvas" " for file " __FILE__ " not available.");-
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12-
13-
14class QQuickContext2DCommandBuffer;-
15class QQuickContext2DTexture;-
16class QQuickPixmap;-
17class QSGTexture;-
18class QSurface;-
19class QOpenGLContext;-
20-
21class QQuickContext2D : public QQuickCanvasContext-
22{-
23 public:-
24#pragma GCC diagnostic push-
25 -
26#pragma GCC diagnostic ignored "-Wsuggest-override"-
27 static const QMetaObject staticMetaObject; virtual const QMetaObject *metaObject() const; virtual void *qt_metacast(const char *); virtual int qt_metacall(QMetaObject::Call, int, void **); static inline QString tr(const char *s, const char *c = nullptr, int n = -1) { return staticMetaObject.tr(s, c, n); } __attribute__ ((__deprecated__)) static inline QString trUtf8(const char *s, const char *c = nullptr, int n = -1) { return staticMetaObject.tr(s, c, n); } private:-
28#pragma GCC diagnostic ignored "-Wattributes"-
29 __attribute__((visibility("hidden"))) static void qt_static_metacall(QObject *, QMetaObject::Call, int, void **);-
30#pragma GCC diagnostic pop-
31 struct QPrivateSignal {};-
32-
33public:-
34 QQuickContext2D(const QQuickContext2D &) = delete; QQuickContext2D &operator=(const QQuickContext2D &) = delete;-
35-
36 enum TextBaseLineType { Alphabetic=0, Top, Middle, Bottom, Hanging};-
37 enum TextAlignType { Start=0, End, Left, Right, Center};-
38 enum PaintCommand {-
39 Invalid = 0,-
40 UpdateMatrix,-
41 ClearRect,-
42 FillRect,-
43 StrokeRect,-
44 Fill,-
45 Stroke,-
46 Clip,-
47 UpdateBrush,-
48 GlobalAlpha,-
49 GlobalCompositeOperation,-
50 StrokeStyle,-
51 FillStyle,-
52 LineWidth,-
53 LineCap,-
54 LineJoin,-
55 MiterLimit,-
56 ShadowOffsetX,-
57 ShadowOffsetY,-
58 ShadowBlur,-
59 ShadowColor,-
60 Font,-
61 TextBaseline,-
62 TextAlign,-
63 FillText,-
64 StrokeText,-
65 DrawImage,-
66 DrawPixmap,-
67 GetImageData-
68 };-
69-
70 struct State {-
71 State()-
72 : strokeStyle(QColor(Qt::black))-
73 , fillStyle(QColor(Qt::black))-
74 , fillPatternRepeatX(false)-
75 , fillPatternRepeatY(false)-
76 , strokePatternRepeatX(false)-
77 , strokePatternRepeatY(false)-
78 , invertibleCTM(true)-
79 , clip(false)-
80 , fillRule(Qt::WindingFill)-
81 , globalAlpha(1.0)-
82 , lineWidth(1)-
83 , lineCap(Qt::FlatCap)-
84 , lineJoin(Qt::MiterJoin)-
85 , miterLimit(10)-
86 , shadowOffsetX(0)-
87 , shadowOffsetY(0)-
88 , shadowBlur(0)-
89 , shadowColor(qRgba(0, 0, 0, 0))-
90 , globalCompositeOperation(QPainter::CompositionMode_SourceOver)-
91 , font(QFont(QLatin1String("sans-serif")))-
92 , textAlign(QQuickContext2D::Start)-
93 , textBaseline(QQuickContext2D::Alphabetic)-
94 {-
95 font.setPixelSize(10);-
96 }
never executed: end of block
0
97-
98 QTransform matrix;-
99 QPainterPath clipPath;-
100 QBrush strokeStyle;-
101 QBrush fillStyle;-
102 bool fillPatternRepeatX:1;-
103 bool fillPatternRepeatY:1;-
104 bool strokePatternRepeatX:1;-
105 bool strokePatternRepeatY:1;-
106 bool invertibleCTM:1;-
107 bool clip:1;-
108 Qt::FillRule fillRule;-
109 qreal globalAlpha;-
110 qreal lineWidth;-
111 Qt::PenCapStyle lineCap;-
112 Qt::PenJoinStyle lineJoin;-
113 qreal miterLimit;-
114 qreal shadowOffsetX;-
115 qreal shadowOffsetY;-
116 qreal shadowBlur;-
117 QColor shadowColor;-
118 QPainter::CompositionMode globalCompositeOperation;-
119 QFont font;-
120 QQuickContext2D::TextAlignType textAlign;-
121 QQuickContext2D::TextBaseLineType textBaseline;-
122 };-
123-
124 QQuickContext2D(QObject *parent = nullptr);-
125 ~QQuickContext2D();-
126-
127 QStringList contextNames() const override;-
128 void init(QQuickCanvasItem *canvasItem, const QVariantMap &args) override;-
129 void prepare(const QSize& canvasSize, const QSize& tileSize, const QRect& canvasWindow, const QRect& dirtyRect, bool smooth, bool antialiasing) override;-
130 void flush() override;-
131 void sync();-
132 QThread *thread() const { return
never executed: return m_thread;
 m_thread;
never executed: return m_thread;
 }		0
133 QQuickContext2DTexture *texture() const;-
134 QImage toImage(const QRectF& bounds) override;-
135-
136 QV4::ReturnedValue v4value() const override;-
137 void setV4Engine(QV4::ExecutionEngine *eng) override;-
138-
139 QQuickCanvasItem* canvas() const { return
never executed: return m_canvas;
 m_canvas;
never executed: return m_canvas;
 }		0
140 QQuickContext2DCommandBuffer* buffer() const { return
never executed: return m_buffer;
 m_buffer;
never executed: return m_buffer;
 }		0
141-
142 bool bufferValid() const { return
never executed: return m_buffer != nullptr;
 m_buffer != nullptr;
never executed: return m_buffer != nullptr;
 }		0
143 void popState();-
144 void pushState();-
145 void reset();-
146-
147 void fill();-
148 void clip();-
149 void stroke();-
150 void fillRect(qreal x, qreal y, qreal w, qreal h);-
151 void strokeRect(qreal x, qreal y, qreal w, qreal h);-
152 void clearRect(qreal x, qreal y, qreal w, qreal h);-
153 void drawText(const QString& text, qreal x, qreal y, bool fill);-
154-
155-
156 void scale(qreal x, qreal y);-
157 void rotate(qreal angle);-
158 void shear(qreal h, qreal v);-
159 void translate(qreal x, qreal y);-
160 void transform(qreal a, qreal b, qreal c, qreal d, qreal e, qreal f);-
161 void setTransform(qreal a, qreal b, qreal c, qreal d, qreal e, qreal f);-
162-
163-
164 void beginPath();-
165 void closePath();-
166 void moveTo(qreal x, qreal y);-
167 void lineTo(qreal x, qreal y);-
168 void quadraticCurveTo(qreal cpx, qreal cpy, qreal x, qreal y);-
169 void bezierCurveTo(qreal cp1x, qreal cp1y,-
170 qreal cp2x, qreal cp2y, qreal x, qreal y);-
171 void arcTo(qreal x1, qreal y1, qreal x2, qreal y2, qreal radius);-
172 void rect(qreal x, qreal y, qreal w, qreal h);-
173 void roundedRect(qreal x, qreal y,qreal w, qreal h, qreal xr, qreal yr);-
174 void ellipse(qreal x, qreal y,qreal w, qreal h);-
175 void text(const QString& str, qreal x, qreal y);-
176 void arc(qreal x, qreal y, qreal radius,-
177 qreal startAngle, qreal endAngle,-
178 bool anticlockwise);-
179 void addArcTo(const QPointF& p1, const QPointF& p2, float radius);-
180-
181 bool isPointInPath(qreal x, qreal y) const;-
182-
183 QPainterPath createTextGlyphs(qreal x, qreal y, const QString& text);-
184 QQmlRefPointer<QQuickCanvasPixmap> createPixmap(const QUrl& url);-
185-
186 QOpenGLContext *glContext() const { return
never executed: return m_glContext;
 m_glContext;
never executed: return m_glContext;
 }		0
187 QSurface *surface() const { return
never executed: return m_surface.data();
 m_surface.data();
never executed: return m_surface.data();
 }		0
188 void setGrabbedImage(const QImage& grab);-
189-
190 State state;-
191 QStack<QQuickContext2D::State> m_stateStack;-
192 QQuickCanvasItem* m_canvas;-
193 QQuickContext2DCommandBuffer* m_buffer;-
194 QPainterPath m_path;-
195 QV4::PersistentValue m_fillStyle;-
196 QV4::PersistentValue m_strokeStyle;-
197 QV4::PersistentValue m_v4path;-
198 QV4::ExecutionEngine *m_v4engine;-
199 QScopedPointer<QOffscreenSurface> m_surface;-
200 QOpenGLContext *m_glContext;-
201 QV4::PersistentValue m_v4value;-
202 QQuickContext2DTexture *m_texture;-
203 QQuickCanvasItem::RenderTarget m_renderTarget;-
204 QQuickCanvasItem::RenderStrategy m_renderStrategy;-
205 QQueue<QQuickContext2DCommandBuffer*> m_bufferQueue;-
206 QThread *m_thread;-
207 QImage m_grabbedImage;-
208 bool m_grabbed:1;-
209-
210 static QMutex mutex;-
211};-
212-
213-
214-
215 template <> struct QMetaTypeId< QQuickContext2D * > { enum { Defined = 1 }; static int qt_metatype_id() { static QBasicAtomicInt metatype_id = { 0 }; if (const int id = metatype_id.loadAcquire()) return id; const int newId = qRegisterMetaType< QQuickContext2D * >("QQuickContext2D *", reinterpret_cast< QQuickContext2D * *>(quintptr(-1))); metatype_id.storeRelease(newId); return newId; } }; template <> struct QMetaTypeId< QQmlListProperty<QQuickContext2D> > { enum { Defined = 1 }; static int qt_metatype_id() { static QBasicAtomicInt metatype_id = { 0 }; if (const int id = metatype_id.loadAcquire()) return id; const int newId = qRegisterMetaType< QQmlListProperty<QQuickContext2D> >("QQmlListProperty<QQuickContext2D>", reinterpret_cast< QQmlListProperty<QQuickContext2D> *>(quintptr(-1))); metatype_id.storeRelease(newId); return newId; } };-
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