diff options
Diffstat (limited to 'src/plugins/scenegraph/openvg/qsgopenvgtexture.cpp')
-rw-r--r-- | src/plugins/scenegraph/openvg/qsgopenvgtexture.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/plugins/scenegraph/openvg/qsgopenvgtexture.cpp b/src/plugins/scenegraph/openvg/qsgopenvgtexture.cpp new file mode 100644 index 0000000000..dd2fdc7020 --- /dev/null +++ b/src/plugins/scenegraph/openvg/qsgopenvgtexture.cpp @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQuick module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qsgopenvgtexture.h" +#include "qsgopenvghelpers.h" + +QT_BEGIN_NAMESPACE + +QSGOpenVGTexture::QSGOpenVGTexture(const QImage &image, uint flags) +{ + Q_UNUSED(flags) + + VGImageFormat format = QSGOpenVGHelpers::qImageFormatToVGImageFormat(image.format()); + m_image = vgCreateImage(format, image.width(), image.height(), VG_IMAGE_QUALITY_BETTER); + + // Do Texture Upload + vgImageSubData(m_image, image.constBits(), image.bytesPerLine(), format, 0, 0, image.width(), image.height()); +} + +QSGOpenVGTexture::~QSGOpenVGTexture() +{ + vgDestroyImage(m_image); +} + +int QSGOpenVGTexture::textureId() const +{ + return static_cast<int>(m_image); +} + +QSize QSGOpenVGTexture::textureSize() const +{ + VGint imageWidth = vgGetParameteri(m_image, VG_IMAGE_WIDTH); + VGint imageHeight = vgGetParameteri(m_image, VG_IMAGE_HEIGHT); + return QSize(imageWidth, imageHeight); +} + +bool QSGOpenVGTexture::hasAlphaChannel() const +{ + VGImageFormat format = static_cast<VGImageFormat>(vgGetParameteri(m_image, VG_IMAGE_FORMAT)); + + switch (format) { + case VG_sRGBA_8888: + case VG_sRGBA_8888_PRE: + case VG_sRGBA_5551: + case VG_sRGBA_4444: + case VG_lRGBA_8888: + case VG_lRGBA_8888_PRE: + case VG_A_8: + case VG_A_1: + case VG_A_4: + case VG_sARGB_8888: + case VG_sARGB_8888_PRE: + case VG_sARGB_1555: + case VG_sARGB_4444: + case VG_lARGB_8888: + case VG_lARGB_8888_PRE: + case VG_sBGRA_8888: + case VG_sBGRA_8888_PRE: + case VG_sBGRA_5551: + case VG_sBGRA_4444: + case VG_lBGRA_8888: + case VG_lBGRA_8888_PRE: + case VG_sABGR_8888: + case VG_sABGR_8888_PRE: + case VG_sABGR_1555: + case VG_sABGR_4444: + case VG_lABGR_8888: + case VG_lABGR_8888_PRE: + return true; + break; + default: + break; + } + return false; +} + +bool QSGOpenVGTexture::hasMipmaps() const +{ + return false; +} + +void QSGOpenVGTexture::bind() +{ + // No need to bind +} + +QT_END_NAMESPACE |