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authorAlexandru Croitor <alexandru.croitor@qt.io>2020-01-29 16:57:12 +0100
committerAlexandru Croitor <alexandru.croitor@qt.io>2020-01-29 16:57:27 +0100
commita1dbdcbd6e818118f5fc28cdd39e47a02380adbd (patch)
tree0d813d9d72baeb1b5f7be048e775896c73f134f5 /src/opengl/qopenglpixeltransferoptions.cpp
parent67ea445f09db9feea4e863faa12c45fb007f53a4 (diff)
parent4cbadf699838406d14366ce61deec03cf45113f7 (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')
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diff --git a/src/opengl/qopenglpixeltransferoptions.cpp b/src/opengl/qopenglpixeltransferoptions.cpp
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+/****************************************************************************
+**
+** 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