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 QSGSOFTWARERENDERABLENODE_H
5#define QSGSOFTWARERENDERABLENODE_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 <QtQuick/private/qtquickglobal_p.h>
19
20#include <QtGui/QRegion>
21#include <QtCore/QRect>
22#include <QtGui/QTransform>
23#include <QtQuick/qsgrectanglenode.h>
24#include <QtQuick/qsgimagenode.h>
25#include <QtQuick/qsgninepatchnode.h>
26
27QT_BEGIN_NAMESPACE
28
29class QSGSimpleRectNode;
30class QSGSimpleTextureNode;
31class QSGSoftwareInternalImageNode;
32class QSGSoftwarePainterNode;
33class QSGSoftwareInternalRectangleNode;
34class QSGSoftwareGlyphNode;
35class QSGSoftwareNinePatchNode;
36class QSGSoftwareSpriteNode;
37class QSGRenderNode;
38
39class Q_QUICK_EXPORT QSGSoftwareRenderableNode
40{
41public:
42 enum NodeType {
43 Invalid = -1,
44 SimpleRect,
45 SimpleTexture,
46 Image,
47 Painter,
48 Rectangle,
49 Glyph,
50 NinePatch,
51 SimpleRectangle,
52 SimpleImage,
53#if QT_CONFIG(quick_sprite)
54 SpriteNode,
55#endif
56 RenderNode
57 };
58
59 QSGSoftwareRenderableNode(NodeType type, QSGNode *node);
60 ~QSGSoftwareRenderableNode();
61
62 void update();
63
64 QRegion renderNode(QPainter *painter, bool forceOpaquePainting = false);
65 QRect boundingRectMin() const { return m_boundingRectMin; }
66 QRect boundingRectMax() const { return m_boundingRectMax; }
67 NodeType type() const { return m_nodeType; }
68 bool isOpaque() const { return m_isOpaque; }
69 bool isDirty() const { return m_isDirty; }
70 bool isDirtyRegionEmpty() const;
71 QSGNode *handle() const { return m_handle.node; }
72
73 void setTransform(const QTransform &transform);
74 void setClipRegion(const QRegion &clipRegion, bool hasClipRegion = true);
75 void setOpacity(float opacity);
76 QTransform transform() const { return m_transform; }
77 QRegion clipRegion() const { return m_clipRegion; }
78 float opacity() const { return m_opacity; }
79
80 void markGeometryDirty();
81 void markMaterialDirty();
82
83 void addDirtyRegion(const QRegion &dirtyRegion, bool forceDirty = true);
84 void subtractDirtyRegion(const QRegion &dirtyRegion);
85
86 QRegion previousDirtyRegion(bool wasRemoved = false) const;
87 QRegion dirtyRegion() const;
88
89private:
90 union RenderableNodeHandle {
91 QSGNode *node;
92 QSGSimpleRectNode *simpleRectNode;
93 QSGSimpleTextureNode *simpleTextureNode;
94 QSGSoftwareInternalImageNode *imageNode;
95 QSGSoftwarePainterNode *painterNode;
96 QSGSoftwareInternalRectangleNode *rectangleNode;
97 QSGSoftwareGlyphNode *glpyhNode;
98 QSGSoftwareNinePatchNode *ninePatchNode;
99 QSGRectangleNode *simpleRectangleNode;
100 QSGImageNode *simpleImageNode;
101 QSGSoftwareSpriteNode *spriteNode;
102 QSGRenderNode *renderNode;
103 };
104
105 const NodeType m_nodeType;
106 RenderableNodeHandle m_handle;
107
108 bool m_isOpaque;
109
110 bool m_isDirty;
111 QRegion m_dirtyRegion;
112 QRegion m_previousDirtyRegion;
113
114 QTransform m_transform;
115 QRegion m_clipRegion;
116 bool m_hasClipRegion;
117 float m_opacity;
118
119 QRect m_boundingRectMin;
120 QRect m_boundingRectMax;
121};
122
123QT_END_NAMESPACE
124
125#endif // QSGSOFTWARERENDERABLENODE_H
126

source code of qtdeclarative/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode_p.h