/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the documentation of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ /*! \class QColormap \ingroup painting \brief The QColormap class maps device independent QColors to device dependent pixel values. */ /*! \enum QColormap::Mode This enum describes how QColormap maps device independent RGB values to device dependent pixel values. \value Direct Pixel values are derived directly from the RGB values, also known as "True Color." \value Indexed Pixel values represent indexes into a vector of available colors, i.e. QColormap uses the index of the color that most closely matches an RGB value. \value Gray Similar to \c Indexed, pixel values represent a vector of available gray tones. QColormap uses the index of the gray tone that most closely matches the computed gray tone of an RGB value. */ /*! \fn QColormap QColormap::instance(int screen) Returns the colormap for the specified \a screen. If \a screen is -1, this function returns the colormap for the default screen. */ /*! \fn QColormap::QColormap(const QColormap &colormap) Constructs a copy of another \a colormap. */ /*! \fn QColormap::~QColormap() Destroys the colormap. */ /*! \fn int QColormap::size() const Returns the size of the colormap for \c Indexed and \c Gray modes; Returns -1 for \c Direct mode. \sa colormap() */ /*! \fn uint QColormap::pixel(const QColor &color) const Returns a device dependent pixel value for the \a color. \sa colorAt() */ /*! \fn int QColormap::depth() const Returns the depth of the device. \sa size() */ /*! \fn QColormap::Mode QColormap::mode() const Returns the mode of this colormap. \sa QColormap::Mode */ /*! \fn const QColor QColormap::colorAt(uint pixel) const Returns a QColor for the \a pixel. \sa pixel() */ /*! \fn const QVector QColormap::colormap() const Returns a vector of colors which represents the devices colormap for \c Indexed and \c Gray modes. This function returns an empty vector for \c Direct mode. \sa size() */ /*! \fn HPALETTE QColormap::hPal() This function is only available on Windows. Returns an handle to the HPALETTE used by this colormap. If no HPALETTE is being used, this function returns zero. */ /*! \since 4.2 \fn QColormap &QColormap::operator=(const QColormap &colormap) Assigns the given \a colormap to \e this color map and returns a reference to \e this color map. */ /*! \fn void QColormap::initialize() \internal */ /*! \fn void QColormap::cleanup() \internal */