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#include "qsgdefaultrectanglenode_p.h"
5#include "qsgflatcolormaterial.h"
6
7QT_BEGIN_NAMESPACE
8
9// Unlike our predecessor, QSGSimpleRectNode, use QSGVertexColorMaterial
10// instead of Flat in order to allow better batching in the renderer.
11
12QSGDefaultRectangleNode::QSGDefaultRectangleNode()
13 : m_geometry(QSGGeometry::defaultAttributes_ColoredPoint2D(), 4)
14{
15 QSGGeometry::updateColoredRectGeometry(g: &m_geometry, rect: QRectF());
16 setMaterial(&m_material);
17 setGeometry(&m_geometry);
18 setColor(QColor(255, 255, 255));
19#ifdef QSG_RUNTIME_DESCRIPTION
20 qsgnode_set_description(node: this, description: QLatin1String("rectangle"));
21#endif
22}
23
24void QSGDefaultRectangleNode::setRect(const QRectF &rect)
25{
26 QSGGeometry::updateColoredRectGeometry(g: &m_geometry, rect);
27 markDirty(bits: QSGNode::DirtyGeometry);
28}
29
30QRectF QSGDefaultRectangleNode::rect() const
31{
32 const QSGGeometry::ColoredPoint2D *pts = m_geometry.vertexDataAsColoredPoint2D();
33 return QRectF(pts[0].x,
34 pts[0].y,
35 pts[3].x - pts[0].x,
36 pts[3].y - pts[0].y);
37}
38
39void QSGDefaultRectangleNode::setColor(const QColor &color)
40{
41 if (color != m_color) {
42 float r, g, b, a;
43 color.getRgbF(r: &r, g: &g, b: &b, a: &a);
44 QSGGeometry::ColoredPoint2D *pts = m_geometry.vertexDataAsColoredPoint2D();
45 for (int i = 0; i < 4; ++i) {
46 pts[i].r = uchar(qRound(f: r * a * 255));
47 pts[i].g = uchar(qRound(f: g * a * 255));
48 pts[i].b = uchar(qRound(f: b * a * 255));
49 pts[i].a = uchar(qRound(f: a * 255));
50 }
51 markDirty(bits: QSGNode::DirtyGeometry);
52 }
53}
54
55QColor QSGDefaultRectangleNode::color() const
56{
57 return m_color;
58}
59
60QT_END_NAMESPACE
61

source code of qtdeclarative/src/quick/scenegraph/util/qsgdefaultrectanglenode.cpp