diff options
Diffstat (limited to 'src/gui/doc/snippets/code/src_gui_image_qimage.cpp')
-rw-r--r-- | src/gui/doc/snippets/code/src_gui_image_qimage.cpp | 76 |
1 files changed, 26 insertions, 50 deletions
diff --git a/src/gui/doc/snippets/code/src_gui_image_qimage.cpp b/src/gui/doc/snippets/code/src_gui_image_qimage.cpp index e4e641a5e0..759b085be4 100644 --- a/src/gui/doc/snippets/code/src_gui_image_qimage.cpp +++ b/src/gui/doc/snippets/code/src_gui_image_qimage.cpp @@ -1,53 +1,10 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause +#include <QImage> +#include <QRgb> +namespace src_gui_image_qimage { +void wrapper0() { //! [0] QImage image(3, 3, QImage::Format_RGB32); QRgb value; @@ -63,6 +20,9 @@ value = qRgb(237, 187, 51); // 0xffedba31 image.setPixel(2, 1, value); //! [0] +} // wrapper0 +void wrapper1() { + //! [1] QImage image(3, 3, QImage::Format_Indexed8); @@ -88,5 +48,21 @@ image.setPixel(2, 1, 1); static const char * const start_xpm[] = { "16 15 8 1", "a c #cec6bd", -.... + // etc. +}; //! [2] + + +//! [scanLine] +for (int y = 0; y < image.height(); ++y) { + QRgb *line = reinterpret_cast<QRgb*>(image.scanLine(y)); + for (int x = 0; x < image.width(); ++x) { + QRgb &rgb = line[x]; + rgb = qRgba(qRed(rgb), qGreen(0), qBlue(rgb), qAlpha(rgb)); + } +} +//! [scanLine] + +Q_UNUSED(start_xpm); +} // wrapper1 +} // src_gui_image_qimage |