/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Qt Software Information (qt-info@nokia.com) ** ** This file is part of the documentation of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** 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 1.0, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at qt-sales@nokia.com. ** $QT_END_LICENSE$ ** ****************************************************************************/ /*! \class QColormap \ingroup multimedia \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. */