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author | Alexandru Croitor <alexandru.croitor@qt.io> | 2020-01-29 16:57:12 +0100 |
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committer | Alexandru Croitor <alexandru.croitor@qt.io> | 2020-01-29 16:57:27 +0100 |
commit | a1dbdcbd6e818118f5fc28cdd39e47a02380adbd (patch) | |
tree | 0d813d9d72baeb1b5f7be048e775896c73f134f5 /src/opengl/qopenglpixeltransferoptions.cpp | |
parent | 67ea445f09db9feea4e863faa12c45fb007f53a4 (diff) | |
parent | 4cbadf699838406d14366ce61deec03cf45113f7 (diff) |
Merge remote-tracking branch 'origin/dev' into wip/cmake
Conflicts:
src/corelib/Qt5CoreConfigExtras.cmake.in
src/corelib/Qt5CoreMacros.cmake
src/dbus/Qt5DBusConfigExtras.cmake.in
src/widgets/Qt5WidgetsConfigExtras.cmake.in
Change-Id: Ib782f3b177c38b2cce83beebe15be9c0baa578f7
Diffstat (limited to 'src/opengl/qopenglpixeltransferoptions.cpp')
-rw-r--r-- | src/opengl/qopenglpixeltransferoptions.cpp | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/src/opengl/qopenglpixeltransferoptions.cpp b/src/opengl/qopenglpixeltransferoptions.cpp new file mode 100644 index 0000000000..aa1af3b092 --- /dev/null +++ b/src/opengl/qopenglpixeltransferoptions.cpp @@ -0,0 +1,263 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB). +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtOpenGL 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 "qopenglpixeltransferoptions.h" +#include <QSharedData> + +QT_BEGIN_NAMESPACE + +/*! + * \class QOpenGLPixelTransferOptions + * + * \brief The QOpenGLPixelTransferOptions class describes the pixel storage + * modes that affect the unpacking of pixels during texture upload. + */ + +/*! + * \fn QOpenGLPixelTransferOptions & QOpenGLPixelTransferOptions::operator=(QOpenGLPixelTransferOptions &&other) + * \internal + */ + +/*! + * \fn void QOpenGLPixelTransferOptions::swap(QOpenGLPixelTransferOptions &other) + * \internal + */ + +class QOpenGLPixelTransferOptionsData : public QSharedData +{ +public: + QOpenGLPixelTransferOptionsData() + : alignment(4) + , skipImages(0) + , skipRows(0) + , skipPixels(0) + , imageHeight(0) + , rowLength(0) + , lsbFirst(false) + , swapBytes(false) + {} + + int alignment; + int skipImages; + int skipRows; + int skipPixels; + int imageHeight; + int rowLength; + bool lsbFirst; + bool swapBytes; +}; + +/*! + * Constructs a new QOpenGLPixelTransferOptions instance with the default settings. + */ +QOpenGLPixelTransferOptions::QOpenGLPixelTransferOptions() + : data(new QOpenGLPixelTransferOptionsData) +{ +} + +/*! + * \internal + */ +QOpenGLPixelTransferOptions::QOpenGLPixelTransferOptions(const QOpenGLPixelTransferOptions &rhs) + : data(rhs.data) +{ +} + +/*! + * \internal + */ +QOpenGLPixelTransferOptions &QOpenGLPixelTransferOptions::operator=(const QOpenGLPixelTransferOptions &rhs) +{ + if (this != &rhs) + data.operator=(rhs.data); + return *this; +} + +/*! + * Destructor. + */ +QOpenGLPixelTransferOptions::~QOpenGLPixelTransferOptions() +{ +} + +/*! + * Sets the \a alignment requirements for each pixel row. Corresponds to \c GL_UNPACK_ALIGNMENT. + * The default value is 4, as specified by OpenGL. + */ +void QOpenGLPixelTransferOptions::setAlignment(int alignment) +{ + data->alignment = alignment; +} + +/*! + * \return the current alignment requirement for each pixel row. + */ +int QOpenGLPixelTransferOptions::alignment() const +{ + return data->alignment; +} + +/*! + * Sets the number of images that are skipped to \a skipImages. + * Corresponds to \c GL_UNPACK_SKIP_IMAGES. Equivalent to incrementing the pointer + * passed to QOpenGLTexture::setData(). The default value is 0. + */ +void QOpenGLPixelTransferOptions::setSkipImages(int skipImages) +{ + data->skipImages = skipImages; +} + +/*! + * \return the number of images that are skipped. + */ +int QOpenGLPixelTransferOptions::skipImages() const +{ + return data->skipImages; +} + +/*! + * Sets the number of rows that are skipped to \a skipRows. + * Corresponds to \c GL_UNPACK_SKIP_ROWS. Equivalent to incrementing the pointer + * passed to QOpenGLTexture::setData(). The default value is 0. + */ +void QOpenGLPixelTransferOptions::setSkipRows(int skipRows) +{ + data->skipRows = skipRows; +} + +/*! + * \return the number of rows that are skipped. + */ +int QOpenGLPixelTransferOptions::skipRows() const +{ + return data->skipRows; +} + +/*! + * Sets the number of pixels that are skipped to \a skipPixels. + * Corresponds to \c GL_UNPACK_SKIP_PIXELS. Equivalent to incrementing the pointer + * passed to QOpenGLTexture::setData(). The default value is 0. + */ +void QOpenGLPixelTransferOptions::setSkipPixels(int skipPixels) +{ + data->skipPixels = skipPixels; +} + +/*! + * \return the number of pixels that are skipped. + */ +int QOpenGLPixelTransferOptions::skipPixels() const +{ + return data->skipPixels; +} + +/*! + * Sets the image height for 3D textures to \a imageHeight. + * Corresponds to \c GL_UNPACK_IMAGE_HEIGHT. + * The default value is 0. + */ +void QOpenGLPixelTransferOptions::setImageHeight(int imageHeight) +{ + data->imageHeight = imageHeight; +} + +/*! + * \return the currently set image height. + */ +int QOpenGLPixelTransferOptions::imageHeight() const +{ + return data->imageHeight; +} + +/*! + * Sets the number of pixels in a row to \a rowLength. + * Corresponds to \c GL_UNPACK_ROW_LENGTH. + * The default value is 0. + */ +void QOpenGLPixelTransferOptions::setRowLength(int rowLength) +{ + data->rowLength = rowLength; +} + +/*! + * \return the currently set row length. + */ +int QOpenGLPixelTransferOptions::rowLength() const +{ + return data->rowLength; +} + +/*! + * \a lsbFirst specifies if bits within a byte are ordered from least to most significat. + * The default value is \c false, meaning that the first bit in each byte is the + * most significant one. This is significant for bitmap data only. + * Corresponds to \c GL_UNPACK_LSB_FIRST. + */ +void QOpenGLPixelTransferOptions::setLeastSignificantByteFirst(bool lsbFirst) +{ + data->lsbFirst = lsbFirst; +} + +/*! + * \return \c true if bits within a byte are ordered from least to most significant. + */ +bool QOpenGLPixelTransferOptions::isLeastSignificantBitFirst() const +{ + return data->lsbFirst; +} + +/*! + * \a swapBytes specifies if the byte ordering for multibyte components is reversed. + * The default value is \c false. + * Corresponds to \c GL_UNPACK_SWAP_BYTES. + */ +void QOpenGLPixelTransferOptions::setSwapBytesEnabled(bool swapBytes) +{ + data->swapBytes = swapBytes; +} + +/*! + * \return \c true if the byte ordering for multibyte components is reversed. + */ +bool QOpenGLPixelTransferOptions::isSwapBytesEnabled() const +{ + return data->swapBytes; +} + +QT_END_NAMESPACE |