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 <private/qtquickglobal_p.h> |
5 | |
6 | QT_REQUIRE_CONFIG(quick_shadereffect); |
7 | |
8 | #include "qqmlparserstatus.h" |
9 | |
10 | #include <QtQuick/qtquickglobal.h> |
11 | #include <QtGui/qcolor.h> |
12 | #include <QtCore/qobject.h> |
13 | #include <QtCore/qsize.h> |
14 | #include <QtCore/qvector.h> |
15 | #include <QtCore/qbytearray.h> |
16 | #include <QtQml/qqml.h> |
17 | |
18 | #ifndef QQUICKSHADEREFFECTMESH_P_H |
19 | #define QQUICKSHADEREFFECTMESH_P_H |
20 | |
21 | // |
22 | // W A R N I N G |
23 | // ------------- |
24 | // |
25 | // This file is not part of the Qt API. It exists purely as an |
26 | // implementation detail. This header file may change from version to |
27 | // version without notice, or even be removed. |
28 | // |
29 | // We mean it. |
30 | // |
31 | |
32 | QT_BEGIN_NAMESPACE |
33 | |
34 | Q_QUICK_PRIVATE_EXPORT const char *qtPositionAttributeName(); |
35 | Q_QUICK_PRIVATE_EXPORT const char *qtTexCoordAttributeName(); |
36 | |
37 | class QSGGeometry; |
38 | class QRectF; |
39 | |
40 | class Q_QUICK_PRIVATE_EXPORT QQuickShaderEffectMesh : public QObject |
41 | { |
42 | Q_OBJECT |
43 | |
44 | QML_NAMED_ELEMENT(ShaderEffectMesh) |
45 | QML_ADDED_IN_VERSION(2, 0) |
46 | QML_UNCREATABLE("Cannot create instance of abstract class ShaderEffectMesh." ) |
47 | |
48 | public: |
49 | QQuickShaderEffectMesh(QObject *parent = nullptr); |
50 | virtual bool validateAttributes(const QVector<QByteArray> &attributes, int *posIndex) = 0; |
51 | // If 'geometry' != 0, 'attrCount' is the same as last time the function was called. |
52 | virtual QSGGeometry *updateGeometry(QSGGeometry *geometry, int attrCount, int posIndex, |
53 | const QRectF &srcRect, const QRectF &rect) = 0; |
54 | // If updateGeometry() fails, the reason should appear in the log. |
55 | virtual QString log() const { return QString(); } |
56 | |
57 | Q_SIGNALS: |
58 | // Emitted when the geometry needs to be updated. |
59 | void geometryChanged(); |
60 | |
61 | protected: |
62 | QQuickShaderEffectMesh(QObjectPrivate &dd, QObject *parent = nullptr); |
63 | }; |
64 | |
65 | class Q_QUICK_PRIVATE_EXPORT QQuickGridMesh : public QQuickShaderEffectMesh |
66 | { |
67 | Q_OBJECT |
68 | Q_PROPERTY(QSize resolution READ resolution WRITE setResolution NOTIFY resolutionChanged FINAL) |
69 | QML_NAMED_ELEMENT(GridMesh) |
70 | QML_ADDED_IN_VERSION(2, 0) |
71 | public: |
72 | QQuickGridMesh(QObject *parent = nullptr); |
73 | bool validateAttributes(const QVector<QByteArray> &attributes, int *posIndex) override; |
74 | QSGGeometry *updateGeometry(QSGGeometry *geometry, int attrCount, int posIndex, |
75 | const QRectF &srcRect, const QRectF &rect) override; |
76 | QString log() const override { return m_log; } |
77 | |
78 | void setResolution(const QSize &res); |
79 | QSize resolution() const; |
80 | |
81 | Q_SIGNALS: |
82 | void resolutionChanged(); |
83 | |
84 | private: |
85 | QSize m_resolution; |
86 | QString m_log; |
87 | }; |
88 | |
89 | class QQuickScaleGrid; |
90 | class QQuickBorderImageMesh : public QQuickShaderEffectMesh |
91 | { |
92 | Q_OBJECT |
93 | |
94 | Q_PROPERTY(QQuickScaleGrid *border READ border CONSTANT FINAL) |
95 | Q_PROPERTY(QSize size READ size WRITE setSize NOTIFY sizeChanged FINAL) |
96 | Q_PROPERTY(TileMode horizontalTileMode READ horizontalTileMode WRITE setHorizontalTileMode NOTIFY horizontalTileModeChanged FINAL) |
97 | Q_PROPERTY(TileMode verticalTileMode READ verticalTileMode WRITE setVerticalTileMode NOTIFY verticalTileModeChanged FINAL) |
98 | |
99 | QML_NAMED_ELEMENT(BorderImageMesh) |
100 | QML_ADDED_IN_VERSION(2, 8) |
101 | |
102 | public: |
103 | QQuickBorderImageMesh(QObject *parent = nullptr); |
104 | |
105 | bool validateAttributes(const QVector<QByteArray> &attributes, int *posIndex) override; |
106 | QSGGeometry *updateGeometry(QSGGeometry *geometry, int attrCount, int posIndex, |
107 | const QRectF &srcRect, const QRectF &rect) override; |
108 | |
109 | QQuickScaleGrid *border() const; |
110 | |
111 | enum TileMode { Stretch = Qt::StretchTile, Repeat = Qt::RepeatTile, Round = Qt::RoundTile }; |
112 | Q_ENUM(TileMode) |
113 | |
114 | QSize size() const; |
115 | void setSize(const QSize &size); |
116 | |
117 | TileMode horizontalTileMode() const; |
118 | void setHorizontalTileMode(TileMode); |
119 | |
120 | TileMode verticalTileMode() const; |
121 | void setVerticalTileMode(TileMode); |
122 | |
123 | Q_SIGNALS: |
124 | void sizeChanged(); |
125 | void horizontalTileModeChanged(); |
126 | void verticalTileModeChanged(); |
127 | |
128 | private: |
129 | QQuickScaleGrid *m_border; |
130 | QSize m_size; |
131 | TileMode m_horizontalTileMode; |
132 | TileMode m_verticalTileMode; |
133 | }; |
134 | |
135 | inline QColor qt_premultiply_color(const QColor &c) |
136 | { |
137 | float r, g, b, a; |
138 | c.getRgbF(r: &r, g: &g, b: &b, a: &a); |
139 | return QColor::fromRgbF(r: r * a, g: g * a, b: b * a, a); |
140 | } |
141 | |
142 | |
143 | QT_END_NAMESPACE |
144 | |
145 | #endif // QQUICKSHADEREFFECTMESH_P_H |
146 | |