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39 
40 #include "qsgopenvgspritenode.h"
41 #include "qsgopenvgtexture.h"
42 
43 QT_BEGIN_NAMESPACE
44 
QSGOpenVGSpriteNode()45 QSGOpenVGSpriteNode::QSGOpenVGSpriteNode()
46     : m_time(0.0f)
47 {
48     // Set Dummy material and geometry to avoid asserts
49     setMaterial((QSGMaterial*)1);
50     setGeometry((QSGGeometry*)1);
51 }
52 
~QSGOpenVGSpriteNode()53 QSGOpenVGSpriteNode::~QSGOpenVGSpriteNode()
54 {
55     delete m_texture;
56 }
57 
setTexture(QSGTexture * texture)58 void QSGOpenVGSpriteNode::setTexture(QSGTexture *texture)
59 {
60     m_texture = static_cast<QSGOpenVGTexture*>(texture);
61     markDirty(DirtyMaterial);
62 }
63 
setTime(float time)64 void QSGOpenVGSpriteNode::setTime(float time)
65 {
66     if (m_time != time) {
67         m_time = time;
68         markDirty(DirtyMaterial);
69     }
70 }
71 
setSourceA(const QPoint & source)72 void QSGOpenVGSpriteNode::setSourceA(const QPoint &source)
73 {
74     if (m_sourceA != source) {
75         m_sourceA = source;
76         markDirty(DirtyMaterial);
77     }
78 }
79 
setSourceB(const QPoint & source)80 void QSGOpenVGSpriteNode::setSourceB(const QPoint &source)
81 {
82     if (m_sourceB != source) {
83         m_sourceB = source;
84         markDirty(DirtyMaterial);
85     }
86 }
87 
setSpriteSize(const QSize & size)88 void QSGOpenVGSpriteNode::setSpriteSize(const QSize &size)
89 {
90     if (m_spriteSize != size) {
91         m_spriteSize = size;
92         markDirty(DirtyMaterial);
93     }
94 }
95 
setSheetSize(const QSize & size)96 void QSGOpenVGSpriteNode::setSheetSize(const QSize &size)
97 {
98     if (m_sheetSize != size) {
99         m_sheetSize = size;
100         markDirty(DirtyMaterial);
101     }
102 }
103 
setSize(const QSizeF & size)104 void QSGOpenVGSpriteNode::setSize(const QSizeF &size)
105 {
106     if (m_size != size) {
107         m_size = size;
108         markDirty(DirtyGeometry);
109     }
110 }
111 
setFiltering(QSGTexture::Filtering)112 void QSGOpenVGSpriteNode::setFiltering(QSGTexture::Filtering)
113 {
114 }
115 
update()116 void QSGOpenVGSpriteNode::update()
117 {
118 }
119 
render()120 void QSGOpenVGSpriteNode::render()
121 {
122     if (!m_texture)
123         return;
124 
125     VGImage image = static_cast<VGImage>(m_texture->textureId());
126 
127     QRectF sourceRect(m_sourceA, m_spriteSize);
128     QRectF targetRect(0, 0, m_size.width(), m_size.height());
129 
130     VGImage sourceImage = vgChildImage(image, sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height());
131 
132     // Set Draw Mode
133     if (opacity() < 1.0) {
134         //Transparent
135         vgSetPaint(opacityPaint(), VG_FILL_PATH);
136         vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_MULTIPLY);
137     } else {
138         vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_NORMAL);
139     }
140 
141     // Set Image Matrix
142     vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
143     vgLoadMatrix(transform().constData());
144 
145     if (sourceRect != targetRect) {
146         // Scale
147         float scaleX = targetRect.width() / sourceRect.width();
148         float scaleY = targetRect.height() / sourceRect.height();
149         vgScale(scaleX, scaleY);
150     }
151 
152     vgDrawImage(sourceImage);
153 
154     vgDestroyImage(sourceImage);
155 }
156 
157 QT_END_NAMESPACE
158