fcaa7506ba
Task-number: QTBUG-74409 Change-Id: Ie4a3dfd01ba44715de6da71c4420fe9a95a0c242 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtOpenGL module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QOPENGLTEXTUREBLITTER_H
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#define QOPENGLTEXTUREBLITTER_H
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#include <QtOpenGL/qtopenglglobal.h>
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#include <QtGui/qopengl.h>
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#include <QtGui/QMatrix3x3>
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#include <QtGui/QMatrix4x4>
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QT_BEGIN_NAMESPACE
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class QOpenGLTextureBlitterPrivate;
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class Q_OPENGL_EXPORT QOpenGLTextureBlitter
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{
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public:
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QOpenGLTextureBlitter();
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~QOpenGLTextureBlitter();
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enum Origin {
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OriginBottomLeft,
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OriginTopLeft
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};
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bool create();
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bool isCreated() const;
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void destroy();
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bool supportsExternalOESTarget() const;
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void bind(GLenum target = GL_TEXTURE_2D);
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void release();
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void setRedBlueSwizzle(bool swizzle);
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void setOpacity(float opacity);
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void blit(GLuint texture, const QMatrix4x4 &targetTransform, Origin sourceOrigin);
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void blit(GLuint texture, const QMatrix4x4 &targetTransform, const QMatrix3x3 &sourceTransform);
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static QMatrix4x4 targetTransform(const QRectF &target, const QRect &viewport);
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static QMatrix3x3 sourceTransform(const QRectF &subTexture, const QSize &textureSize, Origin origin);
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private:
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Q_DISABLE_COPY(QOpenGLTextureBlitter)
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Q_DECLARE_PRIVATE(QOpenGLTextureBlitter)
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QScopedPointer<QOpenGLTextureBlitterPrivate> d_ptr;
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};
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QT_END_NAMESPACE
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#endif //QOPENGLTEXTUREBLITTER_H
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