1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the QtOpenGL 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 |
13 | ** a written agreement between you and Digia. For licensing terms and |
14 | ** conditions see http://qt.digia.com/licensing. For further information |
15 | ** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
24 | ** |
25 | ** In addition, as a special exception, Digia gives you certain additional |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
32 | ** Foundation and appearing in the file LICENSE.GPL included in the |
33 | ** packaging of this file. Please review the following information to |
34 | ** ensure the GNU General Public License version 3.0 requirements will be |
35 | ** met: http://www.gnu.org/copyleft/gpl.html. |
36 | ** |
37 | ** |
38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef QGLPIXMAPFILTER_P_H |
43 | #define QGLPIXMAPFILTER_P_H |
44 | |
45 | // |
46 | // W A R N I N G |
47 | // ------------- |
48 | // |
49 | // This file is not part of the Qt API. It exists purely as an |
50 | // implementation detail. This header file may change from version to |
51 | // version without notice, or even be removed. |
52 | // |
53 | // We mean it. |
54 | // |
55 | |
56 | #include <private/qpixmapfilter_p.h> |
57 | |
58 | #include <QtOpenGL/qgl.h> |
59 | |
60 | QT_BEGIN_HEADER |
61 | |
62 | QT_BEGIN_NAMESPACE |
63 | |
64 | class QGLPixelBuffer; |
65 | |
66 | QT_MODULE(OpenGL) |
67 | |
68 | class QGLPixmapFilterBase |
69 | { |
70 | public: |
71 | virtual ~QGLPixmapFilterBase() {} |
72 | protected: |
73 | void bindTexture(const QPixmap &src) const; |
74 | void drawImpl(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &srcRect = QRectF()) const; |
75 | |
76 | virtual bool processGL(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &srcRect) const = 0; |
77 | }; |
78 | |
79 | template <typename Filter> |
80 | class QGLPixmapFilter : public Filter, public QGLPixmapFilterBase |
81 | { |
82 | public: |
83 | void draw(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &srcRect = QRectF()) const { |
84 | const QRectF source = srcRect.isNull() ? QRectF(src.rect()) : srcRect; |
85 | if (painter) |
86 | drawImpl(painter, pos, src, source); |
87 | } |
88 | }; |
89 | |
90 | QT_END_NAMESPACE |
91 | |
92 | QT_END_HEADER |
93 | |
94 | #endif // QGLPIXMAPFILTER_P_H |
95 | |