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 ```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 ``` ``````/**************************************************************************** ** ** 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 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 ``````