qsgnode.h

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qsgnode.h

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1	/****************************************************************************	-
2	**	-
3	** Copyright (C) 2016 The Qt Company Ltd.	-
4	** Contact: https://www.qt.io/licensing/	-
5	**	-
6	** This file is part of the QtQuick module of the Qt Toolkit.	-
7	**	-
8	** $QT_BEGIN_LICENSE:LGPL$	-
9	** Commercial License Usage	-
10	** Licensees holding valid commercial Qt licenses may use this file in	-
11	** accordance with the commercial license agreement provided with the	-
12	** Software or, alternatively, in accordance with the terms contained in	-
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14	** and conditions see https://www.qt.io/terms-conditions. For further	-
15	** information use the contact form at https://www.qt.io/contact-us.	-
16	**	-
17	** GNU Lesser General Public License Usage	-
18	** Alternatively, this file may be used under the terms of the GNU Lesser	-
19	** General Public License version 3 as published by the Free Software	-
20	** Foundation and appearing in the file LICENSE.LGPL3 included in the	-
21	** packaging of this file. Please review the following information to	-
22	** ensure the GNU Lesser General Public License version 3 requirements	-
23	** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.	-
24	**	-
25	** GNU General Public License Usage	-
26	** Alternatively, this file may be used under the terms of the GNU	-
27	** General Public License version 2.0 or (at your option) the GNU General	-
28	** Public license version 3 or any later version approved by the KDE Free	-
29	** Qt Foundation. The licenses are as published by the Free Software	-
30	** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3	-
31	** included in the packaging of this file. Please review the following	-
32	** information to ensure the GNU General Public License requirements will	-
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34	** https://www.gnu.org/licenses/gpl-3.0.html.	-
35	**	-
36	** $QT_END_LICENSE$	-
37	**	-
38	****************************************************************************/	-
39		-
40	#ifndef QSGNODE_H	-
41	#define QSGNODE_H	-
42		-
43	#include <QtQuick/qsggeometry.h>	-
44	#include <QtGui/QMatrix4x4>	-
45		-
46	#include <float.h>	-
47		-
48	QT_BEGIN_NAMESPACE	-
49		-
50	#ifndef QT_NO_DEBUG	-
51	#define QSG_RUNTIME_DESCRIPTION	-
52	#endif	-
53		-
54	class QSGAbstractRenderer;	-
55	class QSGRenderer;	-
56		-
57	class QSGNode;	-
58	class QSGRootNode;	-
59	class QSGGeometryNode;	-
60	class QSGTransformNode;	-
61	class QSGClipNode;	-
62	class QSGNodePrivate;	-
63	class QSGBasicGeometryNodePrivate;	-
64	class QSGGeometryNodePrivate;	-
65		-
66	namespace QSGBatchRenderer {	-
67	class Renderer;	-
68	class Updater;	-
69	}	-
70		-
71	class Q_QUICK_EXPORT QSGNode	-
72	{	-
73	public:	-
74	enum NodeType {	-
75	BasicNodeType,	-
76	GeometryNodeType,	-
77	TransformNodeType,	-
78	ClipNodeType,	-
79	OpacityNodeType,	-
80	RootNodeType,	-
81	RenderNodeType	-
82	};	-
83		-
84	enum Flag {	-
85	// Lower 16 bites reserved for general node	-
86	OwnedByParent = 0x0001,	-
87	UsePreprocess = 0x0002,	-
88		-
89	// 0x00ff0000 bits reserved for node subclasses	-
90		-
91	// QSGBasicGeometryNode	-
92	OwnsGeometry = 0x00010000,	-
93	OwnsMaterial = 0x00020000,	-
94	OwnsOpaqueMaterial = 0x00040000,	-
95		-
96	// Uppermost 8 bits are reserved for internal use.	-
97	IsVisitableNode = 0x01000000	-
98	#ifdef Q_CLANG_QDOC	-
99	InternalReserved = 0x01000000	-
100	#endif	-
101	};	-
102	Q_DECLARE_FLAGS(Flags, Flag)	-
103		-
104	enum DirtyStateBit {	-
105	DirtySubtreeBlocked = 0x0080,	-
106	DirtyMatrix = 0x0100,	-
107	DirtyNodeAdded = 0x0400,	-
108	DirtyNodeRemoved = 0x0800,	-
109	DirtyGeometry = 0x1000,	-
110	DirtyMaterial = 0x2000,	-
111	DirtyOpacity = 0x4000,	-
112		-
113	DirtyForceUpdate = 0x8000,	-
114		-
115	DirtyUsePreprocess = UsePreprocess,	-
116		-
117	DirtyPropagationMask = DirtyMatrix	-
118	\| DirtyNodeAdded	-
119	\| DirtyOpacity	-
120	\| DirtyForceUpdate	-
121		-
122	};	-
123	Q_DECLARE_FLAGS(DirtyState, DirtyStateBit)	-
124		-
125	QSGNode();	-
126	virtual ~QSGNode();	-
127		-
128	QSGNode *parent() const { return m_parent; } executed 10368063 times by 78 tests: `return m_parent;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmlcomponent tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickanimations tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction ...	10368063
129		-
130	void removeChildNode(QSGNode *node);	-
131	void removeAllChildNodes();	-
132	void prependChildNode(QSGNode *node);	-
133	void appendChildNode(QSGNode *node);	-
134	void insertChildNodeBefore(QSGNode node, QSGNode before);	-
135	void insertChildNodeAfter(QSGNode node, QSGNode after);	-
136	void reparentChildNodesTo(QSGNode *newParent);	-
137		-
138	int childCount() const;	-
139	QSGNode *childAtIndex(int i) const;	-
140	QSGNode *firstChild() const { return m_firstChild; } executed 7323620 times by 78 tests: `return m_firstChild;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmlcomponent tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickanimations tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction ...	7323620
141	QSGNode *lastChild() const { return m_lastChild; } never executed: `return m_lastChild;`	0
142	QSGNode *nextSibling() const { return m_nextSibling; } executed 6012046 times by 78 tests: `return m_nextSibling;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmlcomponent tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickanimations tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction ...	6012046
143	QSGNode* previousSibling() const { return m_previousSibling; } never executed: `return m_previousSibling;`	0
144		-
145	inline NodeType type() const { return m_type; } executed 30605450 times by 78 tests: `return m_type;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmlcomponent tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickanimations tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction ...	30605450
146		-
147	QT_DEPRECATED void clearDirty() { }	-
148	void markDirty(DirtyState bits);	-
149	QT_DEPRECATED DirtyState dirtyState() const { return nullptr; } never executed: `return nullptr;`	0
150		-
151	virtual bool isSubtreeBlocked() const;	-
152		-
153	Flags flags() const { return m_nodeFlags; } executed 5836810 times by 78 tests: `return m_nodeFlags;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmlcomponent tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickanimations tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction ...	5836810
154	void setFlag(Flag, bool = true);	-
155	void setFlags(Flags, bool = true);	-
156		-
157	virtual void preprocess() { }	-
158		-
159	protected:	-
160	QSGNode(NodeType type);	-
161	QSGNode(QSGNodePrivate &dd, NodeType type);	-
162		-
163	private:	-
164	friend class QSGRootNode;	-
165	friend class QSGBatchRenderer::Renderer;	-
166	friend class QSGRenderer;	-
167		-
168	void init();	-
169	void destroy();	-
170		-
171	QSGNode *m_parent = nullptr;	-
172	NodeType m_type = BasicNodeType;	-
173	QSGNode *m_firstChild = nullptr;	-
174	QSGNode *m_lastChild = nullptr;	-
175	QSGNode *m_nextSibling = nullptr;	-
176	QSGNode *m_previousSibling = nullptr;	-
177	int m_subtreeRenderableCount = 0;	-
178		-
179	Flags m_nodeFlags;	-
180	DirtyState m_dirtyState; // Obsolete, remove in Qt 6	-
181		-
182	protected:	-
183	friend class QSGNodePrivate;	-
184		-
185	QScopedPointer<QSGNodePrivate> d_ptr;	-
186	};	-
187		-
188	void Q_QUICK_EXPORT qsgnode_set_description(QSGNode *node, const QString &description);	-
189		-
190	class Q_QUICK_EXPORT QSGBasicGeometryNode : public QSGNode	-
191	{	-
192	public:	-
193	~QSGBasicGeometryNode() override;	-
194		-
195	void setGeometry(QSGGeometry *geometry);	-
196	const QSGGeometry *geometry() const { return m_geometry; } executed 16 times by 1 test: `return m_geometry;` Executed by: tst_rendernode	16
197	QSGGeometry *geometry() { return m_geometry; } executed 26160887 times by 73 tests: `return m_geometry;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction tst_qquickgravity tst_qquickgridview ...	26160887
198		-
199	const QMatrix4x4 *matrix() const { return m_matrix; } executed 4396617 times by 72 tests: `return m_matrix;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction tst_qquickgravity tst_qquickgridview ...	4396617
200	const QSGClipNode *clipList() const { return m_clip_list; } executed 6212378 times by 72 tests: `return m_clip_list;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction tst_qquickgravity tst_qquickgridview tst_qquickgroupgoal ...	6212378
201		-
202	void setRendererMatrix(const QMatrix4x4 *m) { m_matrix = m; } executed 1099819 times by 73 tests: `end of block` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction tst_qquickgravity tst_qquickgridview ...	1099819
203	void setRendererClipList(const QSGClipNode *c) { m_clip_list = c; } executed 1099819 times by 73 tests: `end of block` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction tst_qquickgravity tst_qquickgridview ...	1099819
204		-
205	protected:	-
206	QSGBasicGeometryNode(NodeType type);	-
207	QSGBasicGeometryNode(QSGBasicGeometryNodePrivate &dd, NodeType type);	-
208		-
209	private:	-
210	friend class QSGNodeUpdater;	-
211		-
212	QSGGeometry *m_geometry;	-
213		-
214	int m_reserved_start_index;	-
215	int m_reserved_end_index;	-
216		-
217	const QMatrix4x4 *m_matrix;	-
218	const QSGClipNode *m_clip_list;	-
219	};	-
220		-
221	class QSGMaterial;	-
222		-
223	class Q_QUICK_EXPORT QSGGeometryNode : public QSGBasicGeometryNode	-
224	{	-
225	public:	-
226	QSGGeometryNode();	-
227	~QSGGeometryNode() override;	-
228		-
229	void setMaterial(QSGMaterial *material);	-
230	QSGMaterial *material() const { return m_material; } executed 1147754 times by 72 tests: `return m_material;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction tst_qquickgravity tst_qquickgridview ...	1147754
231		-
232	void setOpaqueMaterial(QSGMaterial *material);	-
233	QSGMaterial *opaqueMaterial() const { return m_opaque_material; } executed 551567 times by 72 tests: `return m_opaque_material;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction tst_qquickgravity tst_qquickgridview ...	551567
234		-
235	QSGMaterial *activeMaterial() const;	-
236		-
237	void setRenderOrder(int order);	-
238	int renderOrder() const { return m_render_order; } never executed: `return m_render_order;`	0
239		-
240	void setInheritedOpacity(qreal opacity);	-
241	qreal inheritedOpacity() const { return m_opacity; } executed 7509650 times by 72 tests: `return m_opacity;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction tst_qquickgravity tst_qquickgridview ...	7509650
242		-
243	protected:	-
244	QSGGeometryNode(QSGGeometryNodePrivate &dd);	-
245		-
246	private:	-
247	friend class QSGNodeUpdater;	-
248		-
249	int m_render_order = 0;	-
250	QSGMaterial *m_material = nullptr;	-
251	QSGMaterial *m_opaque_material = nullptr;	-
252		-
253	qreal m_opacity = 1;	-
254	};	-
255		-
256	class Q_QUICK_EXPORT QSGClipNode : public QSGBasicGeometryNode	-
257	{	-
258	public:	-
259	QSGClipNode();	-
260	~QSGClipNode() override;	-
261		-
262	void setIsRectangular(bool rectHint);	-
263	bool isRectangular() const { return m_is_rectangular; } executed 948 times by 8 tests: `return m_is_rectangular;` Executed by: tst_examples tst_qquickgridview tst_qquicklistview tst_qquickpathview tst_qquicktextedit tst_qquicktextinput tst_rendernode tst_scenegraph	948
264		-
265	void setClipRect(const QRectF &);	-
266	QRectF clipRect() const { return m_clip_rect; } executed 932 times by 8 tests: `return m_clip_rect;` Executed by: tst_examples tst_qquickgridview tst_qquicklistview tst_qquickpathview tst_qquicktextedit tst_qquicktextinput tst_rendernode tst_scenegraph	932
267		-
268	private:	-
269	uint m_is_rectangular : 1;	-
270	uint m_reserved : 31;	-
271		-
272	QRectF m_clip_rect;	-
273	};	-
274		-
275		-
276	class Q_QUICK_EXPORT QSGTransformNode : public QSGNode	-
277	{	-
278	public:	-
279	QSGTransformNode();	-
280	~QSGTransformNode() override;	-
281		-
282	void setMatrix(const QMatrix4x4 &matrix);	-
283	const QMatrix4x4 &matrix() const { return m_matrix; } executed 2297285 times by 77 tests: `return m_matrix;` Executed by: tst_drawingmodes tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_qqmlcomponent tst_qqmltypeloader tst_qquickage tst_qquickangleddirection tst_qquickanimatedimage tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickanimations tst_qquickborderimage tst_qquickcumulativedirection tst_qquickcustomaffector tst_qquickcustomparticle tst_qquickdraghandler tst_qquickellipseextruder tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader tst_qquickfontloader_static tst_qquickframebufferobject tst_qquickfriction tst_qquickgravity ...	2297285
284		-
285	void setCombinedMatrix(const QMatrix4x4 &matrix);	-
286	const QMatrix4x4 &combinedMatrix() const { return m_combined_matrix; } executed 720536 times by 44 tests: `return m_combined_matrix;` Executed by: tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_qqmltypeloader tst_qquickanimatedsprite tst_qquickanimationcontroller tst_qquickcustomaffector tst_qquickdraghandler tst_qquickflickable tst_qquickfocusscope tst_qquickfontloader_static tst_qquickfriction tst_qquickgridview tst_qquickimage tst_qquickitem tst_qquickitem2 tst_qquickitemlayer tst_qquickitemparticle tst_qquicklayouts tst_qquicklistview tst_qquickloader tst_qquickmousearea tst_qquickmultipointtoucharea tst_qquickpathview tst_qquickpincharea ...	720536
287		-
288	private:	-
289	QMatrix4x4 m_matrix;	-
290	QMatrix4x4 m_combined_matrix;	-
291	};	-
292		-
293		-
294	class Q_QUICK_EXPORT QSGRootNode : public QSGNode	-
295	{	-
296	public:	-
297	QSGRootNode();	-
298	~QSGRootNode() override;	-
299		-
300	private:	-
301	void notifyNodeChange(QSGNode *node, DirtyState state);	-
302		-
303	friend class QSGAbstractRenderer;	-
304	friend class QSGNode;	-
305	friend class QSGGeometryNode;	-
306		-
307	QList<QSGAbstractRenderer *> m_renderers;	-
308	};	-
309		-
310		-
311	class Q_QUICK_EXPORT QSGOpacityNode : public QSGNode	-
312	{	-
313	public:	-
314	QSGOpacityNode();	-
315	~QSGOpacityNode() override;	-
316		-
317	void setOpacity(qreal opacity);	-
318	qreal opacity() const { return m_opacity; } executed 83095 times by 19 tests: `return m_opacity;` Executed by: tst_examples tst_flickableinterop tst_multipointtoucharea_interop tst_nodestest tst_qquickgridview tst_qquickimage tst_qquickitemlayer tst_qquickitemparticle tst_qquicklayouts tst_qquicklistview tst_qquickmousearea tst_qquickmultipointtoucharea tst_qquickpathview tst_qquickpositioners tst_qquickstates tst_qquicktaphandler tst_qquicktextinput tst_rendernode tst_scenegraph	83095
319		-
320	void setCombinedOpacity(qreal opacity);	-
321	qreal combinedOpacity() const { return m_combined_opacity; } executed 14 times by 1 test: `return m_combined_opacity;` Executed by: tst_nodestest	14
322		-
323	bool isSubtreeBlocked() const override;	-
324		-
325	private:	-
326	qreal m_opacity = 1;	-
327	qreal m_combined_opacity = 1;	-
328	};	-
329		-
330	class Q_QUICK_EXPORT QSGNodeVisitor {	-
331	public:	-
332	virtual ~QSGNodeVisitor();	-
333		-
334	protected:	-
335	virtual void enterTransformNode(QSGTransformNode *) {}	-
336	virtual void leaveTransformNode(QSGTransformNode *) {}	-
337	virtual void enterClipNode(QSGClipNode *) {}	-
338	virtual void leaveClipNode(QSGClipNode *) {}	-
339	virtual void enterGeometryNode(QSGGeometryNode *) {}	-
340	virtual void leaveGeometryNode(QSGGeometryNode *) {}	-
341	virtual void enterOpacityNode(QSGOpacityNode *) {}	-
342	virtual void leaveOpacityNode(QSGOpacityNode *) {}	-
343	virtual void visitNode(QSGNode *n);	-
344	virtual void visitChildren(QSGNode *n);	-
345	};	-
346		-
347	#ifndef QT_NO_DEBUG_STREAM	-
348	Q_QUICK_EXPORT QDebug operator<<(QDebug, const QSGNode *n);	-
349	Q_QUICK_EXPORT QDebug operator<<(QDebug, const QSGGeometryNode *n);	-
350	Q_QUICK_EXPORT QDebug operator<<(QDebug, const QSGTransformNode *n);	-
351	Q_QUICK_EXPORT QDebug operator<<(QDebug, const QSGOpacityNode *n);	-
352	Q_QUICK_EXPORT QDebug operator<<(QDebug, const QSGRootNode *n);	-
353		-
354	#endif	-
355		-
356	Q_DECLARE_OPERATORS_FOR_FLAGS(QSGNode::DirtyState)	-
357	Q_DECLARE_OPERATORS_FOR_FLAGS(QSGNode::Flags)	-
358		-
359	QT_END_NAMESPACE	-
360		-
361	#endif // QSGNODE_H	-

Line

Source

Count

/****************************************************************************

** Contact: https://www.qt.io/licensing/

** This file is part of the QtQuick module 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 QSGNODE_H

#define QSGNODE_H

#include <QtQuick/qsggeometry.h>

#include <QtGui/QMatrix4x4>

#include <float.h>

QT_BEGIN_NAMESPACE

#ifndef QT_NO_DEBUG

#define QSG_RUNTIME_DESCRIPTION

#endif

class QSGAbstractRenderer;

class QSGRenderer;

class QSGNode;

class QSGRootNode;

class QSGGeometryNode;

class QSGTransformNode;

class QSGClipNode;

class QSGNodePrivate;

class QSGBasicGeometryNodePrivate;

class QSGGeometryNodePrivate;

namespace QSGBatchRenderer {

class Renderer;

class Updater;

}

class Q_QUICK_EXPORT QSGNode

{

public:

enum NodeType {

BasicNodeType,

GeometryNodeType,

TransformNodeType,

ClipNodeType,

OpacityNodeType,

RootNodeType,

RenderNodeType

};

enum Flag {

// Lower 16 bites reserved for general node

OwnedByParent = 0x0001,

UsePreprocess = 0x0002,

// 0x00ff0000 bits reserved for node subclasses

// QSGBasicGeometryNode

OwnsGeometry = 0x00010000,

OwnsMaterial = 0x00020000,

OwnsOpaqueMaterial = 0x00040000,

// Uppermost 8 bits are reserved for internal use.

IsVisitableNode = 0x01000000

#ifdef Q_CLANG_QDOC

InternalReserved = 0x01000000

100

#endif

101

};

102

Q_DECLARE_FLAGS(Flags, Flag)

103

104

enum DirtyStateBit {

105

DirtySubtreeBlocked = 0x0080,

106

DirtyMatrix = 0x0100,

107

DirtyNodeAdded = 0x0400,

108

DirtyNodeRemoved = 0x0800,

109

DirtyGeometry = 0x1000,

110

DirtyMaterial = 0x2000,

111

DirtyOpacity = 0x4000,

112

113

DirtyForceUpdate = 0x8000,

114

115

DirtyUsePreprocess = UsePreprocess,

116

117

DirtyPropagationMask = DirtyMatrix

| DirtyNodeAdded

| DirtyOpacity

| DirtyForceUpdate

};

Q_DECLARE_FLAGS(DirtyState, DirtyStateBit)

QSGNode();

virtual ~QSGNode();

QSGNode *parent() const { return m_parent; }

executed 10368063 times by 78 tests: return m_parent;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmlcomponent
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickanimations
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
...

10368063

129

130

void removeChildNode(QSGNode *node);

131

void removeAllChildNodes();

132

void prependChildNode(QSGNode *node);

133

void appendChildNode(QSGNode *node);

134

void insertChildNodeBefore(QSGNode *node, QSGNode *before);

135

void insertChildNodeAfter(QSGNode *node, QSGNode *after);

136

void reparentChildNodesTo(QSGNode *newParent);

137

138

int childCount() const;

139

QSGNode *childAtIndex(int i) const;

140

QSGNode *firstChild() const { return m_firstChild; }

executed 7323620 times by 78 tests: return m_firstChild;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmlcomponent
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickanimations
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
...

7323620

141

QSGNode *lastChild() const { return m_lastChild; }

never executed: return m_lastChild;

142

QSGNode *nextSibling() const { return m_nextSibling; }

executed 6012046 times by 78 tests: return m_nextSibling;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmlcomponent
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickanimations
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
...

6012046

143

QSGNode* previousSibling() const { return m_previousSibling; }

never executed: return m_previousSibling;

144

145

inline NodeType type() const { return m_type; }

executed 30605450 times by 78 tests: return m_type;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmlcomponent
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickanimations
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
...

30605450

146

147

QT_DEPRECATED void clearDirty() { }

148

void markDirty(DirtyState bits);

149

QT_DEPRECATED DirtyState dirtyState() const { return nullptr; }

never executed: return nullptr;

150

151

virtual bool isSubtreeBlocked() const;

152

153

Flags flags() const { return m_nodeFlags; }

executed 5836810 times by 78 tests: return m_nodeFlags;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmlcomponent
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickanimations
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
...

5836810

154

void setFlag(Flag, bool = true);

155

void setFlags(Flags, bool = true);

156

157

virtual void preprocess() { }

158

159

protected:

160

QSGNode(NodeType type);

161

QSGNode(QSGNodePrivate &dd, NodeType type);

162

163

private:

164

friend class QSGRootNode;

165

friend class QSGBatchRenderer::Renderer;

166

friend class QSGRenderer;

void init();

void destroy();

QSGNode *m_parent = nullptr;

172

NodeType m_type = BasicNodeType;

173

QSGNode *m_firstChild = nullptr;

174

QSGNode *m_lastChild = nullptr;

175

QSGNode *m_nextSibling = nullptr;

176

QSGNode *m_previousSibling = nullptr;

177

int m_subtreeRenderableCount = 0;

178

179

Flags m_nodeFlags;

180

DirtyState m_dirtyState; // Obsolete, remove in Qt 6

181

182

protected:

183

friend class QSGNodePrivate;

184

185

QScopedPointer<QSGNodePrivate> d_ptr;

186

};

187

188

void Q_QUICK_EXPORT qsgnode_set_description(QSGNode *node, const QString &description);

189

190

class Q_QUICK_EXPORT QSGBasicGeometryNode : public QSGNode

191

{

192

public:

193

~QSGBasicGeometryNode() override;

194

195

void setGeometry(QSGGeometry *geometry);

196

const QSGGeometry *geometry() const { return m_geometry; }

executed 16 times by 1 test: return m_geometry;

Executed by:

tst_rendernode

197

QSGGeometry *geometry() { return m_geometry; }

executed 26160887 times by 73 tests: return m_geometry;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
tst_qquickgravity
tst_qquickgridview
...

26160887

198

199

const QMatrix4x4 *matrix() const { return m_matrix; }

executed 4396617 times by 72 tests: return m_matrix;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
tst_qquickgravity
tst_qquickgridview
...

4396617

200

const QSGClipNode *clipList() const { return m_clip_list; }

executed 6212378 times by 72 tests: return m_clip_list;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
tst_qquickgravity
tst_qquickgridview
tst_qquickgroupgoal
...

6212378

201

202

void setRendererMatrix(const QMatrix4x4 *m) { m_matrix = m; }

executed 1099819 times by 73 tests: end of block

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
tst_qquickgravity
tst_qquickgridview
...

1099819

203

void setRendererClipList(const QSGClipNode *c) { m_clip_list = c; }

executed 1099819 times by 73 tests: end of block

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
tst_qquickgravity
tst_qquickgridview
...

1099819

204

205

protected:

206

QSGBasicGeometryNode(NodeType type);

207

QSGBasicGeometryNode(QSGBasicGeometryNodePrivate &dd, NodeType type);

208

209

private:

210

friend class QSGNodeUpdater;

211

212

QSGGeometry *m_geometry;

213

214

int m_reserved_start_index;

215

int m_reserved_end_index;

216

217

const QMatrix4x4 *m_matrix;

218

const QSGClipNode *m_clip_list;

};

class QSGMaterial;

class Q_QUICK_EXPORT QSGGeometryNode : public QSGBasicGeometryNode

{

public:

QSGGeometryNode();

~QSGGeometryNode() override;

228

229

void setMaterial(QSGMaterial *material);

230

QSGMaterial *material() const { return m_material; }

executed 1147754 times by 72 tests: return m_material;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
tst_qquickgravity
tst_qquickgridview
...

1147754

231

232

void setOpaqueMaterial(QSGMaterial *material);

233

QSGMaterial *opaqueMaterial() const { return m_opaque_material; }

executed 551567 times by 72 tests: return m_opaque_material;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
tst_qquickgravity
tst_qquickgridview
...

551567

234

235

QSGMaterial *activeMaterial() const;

236

237

void setRenderOrder(int order);

238

int renderOrder() const { return m_render_order; }

never executed: return m_render_order;

239

240

void setInheritedOpacity(qreal opacity);

241

qreal inheritedOpacity() const { return m_opacity; }

executed 7509650 times by 72 tests: return m_opacity;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
tst_qquickgravity
tst_qquickgridview
...

7509650

242

243

protected:

244

QSGGeometryNode(QSGGeometryNodePrivate &dd);

245

246

private:

247

friend class QSGNodeUpdater;

248

249

int m_render_order = 0;

250

QSGMaterial *m_material = nullptr;

251

QSGMaterial *m_opaque_material = nullptr;

qreal m_opacity = 1;

};

class Q_QUICK_EXPORT QSGClipNode : public QSGBasicGeometryNode

{

public:

QSGClipNode();

~QSGClipNode() override;

261

262

void setIsRectangular(bool rectHint);

263

bool isRectangular() const { return m_is_rectangular; }

executed 948 times by 8 tests: return m_is_rectangular;

Executed by:

tst_examples
tst_qquickgridview
tst_qquicklistview
tst_qquickpathview
tst_qquicktextedit
tst_qquicktextinput
tst_rendernode
tst_scenegraph

948

264

265

void setClipRect(const QRectF &);

266

QRectF clipRect() const { return m_clip_rect; }

executed 932 times by 8 tests: return m_clip_rect;

Executed by:

tst_examples
tst_qquickgridview
tst_qquicklistview
tst_qquickpathview
tst_qquicktextedit
tst_qquicktextinput
tst_rendernode
tst_scenegraph

932

267

268

private:

269

uint m_is_rectangular : 1;

270

uint m_reserved : 31;

QRectF m_clip_rect;

};

class Q_QUICK_EXPORT QSGTransformNode : public QSGNode

{

public:

QSGTransformNode();

~QSGTransformNode() override;

281

282

void setMatrix(const QMatrix4x4 &matrix);

283

const QMatrix4x4 &matrix() const { return m_matrix; }

executed 2297285 times by 77 tests: return m_matrix;

Executed by:

tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qqmlcomponent
tst_qqmltypeloader
tst_qquickage
tst_qquickangleddirection
tst_qquickanimatedimage
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickanimations
tst_qquickborderimage
tst_qquickcumulativedirection
tst_qquickcustomaffector
tst_qquickcustomparticle
tst_qquickdraghandler
tst_qquickellipseextruder
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader
tst_qquickfontloader_static
tst_qquickframebufferobject
tst_qquickfriction
tst_qquickgravity
...

2297285

284

285

void setCombinedMatrix(const QMatrix4x4 &matrix);

286

const QMatrix4x4 &combinedMatrix() const { return m_combined_matrix; }

executed 720536 times by 44 tests: return m_combined_matrix;

Executed by:

tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qqmltypeloader
tst_qquickanimatedsprite
tst_qquickanimationcontroller
tst_qquickcustomaffector
tst_qquickdraghandler
tst_qquickflickable
tst_qquickfocusscope
tst_qquickfontloader_static
tst_qquickfriction
tst_qquickgridview
tst_qquickimage
tst_qquickitem
tst_qquickitem2
tst_qquickitemlayer
tst_qquickitemparticle
tst_qquicklayouts
tst_qquicklistview
tst_qquickloader
tst_qquickmousearea
tst_qquickmultipointtoucharea
tst_qquickpathview
tst_qquickpincharea
...

720536

private:

QMatrix4x4 m_matrix;

QMatrix4x4 m_combined_matrix;

};

class Q_QUICK_EXPORT QSGRootNode : public QSGNode

{

public:

QSGRootNode();

~QSGRootNode() override;

299

300

private:

301

void notifyNodeChange(QSGNode *node, DirtyState state);

302

303

friend class QSGAbstractRenderer;

304

friend class QSGNode;

305

friend class QSGGeometryNode;

306

307

QList<QSGAbstractRenderer *> m_renderers;

};

class Q_QUICK_EXPORT QSGOpacityNode : public QSGNode

{

public:

QSGOpacityNode();

~QSGOpacityNode() override;

316

317

void setOpacity(qreal opacity);

318

qreal opacity() const { return m_opacity; }

executed 83095 times by 19 tests: return m_opacity;

Executed by:

tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_nodestest
tst_qquickgridview
tst_qquickimage
tst_qquickitemlayer
tst_qquickitemparticle
tst_qquicklayouts
tst_qquicklistview
tst_qquickmousearea
tst_qquickmultipointtoucharea
tst_qquickpathview
tst_qquickpositioners
tst_qquickstates
tst_qquicktaphandler
tst_qquicktextinput
tst_rendernode
tst_scenegraph

83095

319

320

void setCombinedOpacity(qreal opacity);

321

qreal combinedOpacity() const { return m_combined_opacity; }

executed 14 times by 1 test: return m_combined_opacity;

Executed by:

tst_nodestest

322

323

bool isSubtreeBlocked() const override;

private:

qreal m_opacity = 1;

qreal m_combined_opacity = 1;

328

};

329

330

class Q_QUICK_EXPORT QSGNodeVisitor {

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public:

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virtual ~QSGNodeVisitor();

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protected:

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virtual void enterTransformNode(QSGTransformNode *) {}

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virtual void leaveTransformNode(QSGTransformNode *) {}

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virtual void enterClipNode(QSGClipNode *) {}

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virtual void leaveClipNode(QSGClipNode *) {}

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virtual void enterGeometryNode(QSGGeometryNode *) {}

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virtual void leaveGeometryNode(QSGGeometryNode *) {}

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virtual void enterOpacityNode(QSGOpacityNode *) {}

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virtual void leaveOpacityNode(QSGOpacityNode *) {}

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virtual void visitNode(QSGNode *n);

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virtual void visitChildren(QSGNode *n);

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};

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#ifndef QT_NO_DEBUG_STREAM

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Q_QUICK_EXPORT QDebug operator<<(QDebug, const QSGNode *n);

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Q_QUICK_EXPORT QDebug operator<<(QDebug, const QSGGeometryNode *n);

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Q_QUICK_EXPORT QDebug operator<<(QDebug, const QSGTransformNode *n);

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Q_QUICK_EXPORT QDebug operator<<(QDebug, const QSGOpacityNode *n);

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Q_QUICK_EXPORT QDebug operator<<(QDebug, const QSGRootNode *n);

#endif

Q_DECLARE_OPERATORS_FOR_FLAGS(QSGNode::DirtyState)

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Q_DECLARE_OPERATORS_FOR_FLAGS(QSGNode::Flags)

QT_END_NAMESPACE

#endif // QSGNODE_H

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