D:/Projects/CEGUI/Silly/include/SILLYImageContext.icpp

/***********************************************************************
    filename:   SILLYImageContext.icpp 
    created:    10 Jun 2006
    author:     Olivier Delannoy

    purpose:    Inline definition for ImageContext  
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
 *
 *   Permission is hereby granted, free of charge, to any person obtaining
 *   a copy of this software and associated documentation files (the
 *   "Software"), to deal in the Software without restriction, including
 *   without limitation the rights to use, copy, modify, merge, publish,
 *   distribute, sublicense, and/or sell copies of the Software, and to
 *   permit persons to whom the Software is furnished to do so, subject to
 *   the following conditions:
 *
 *   The above copyright notice and this permission notice shall be
 *   included in all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *   OTHER DEALINGS IN THE SOFTWARE.
 ***************************************************************************/

// Start of section namespace SILLY
namespace SILLY
{

inline ImageContext::ImageContext(size_t width, size_t height)
    : d_pixels(0), d_length(0), d_width(width), d_height(height), d_currentOffset(0), d_format(PF_RGBA) 
{
}


inline ImageContext::~ImageContext() 
{
}       


inline void ImageContext::setDestination(byte* pixels, size_t length, PixelFormat format)
{
    d_pixels = pixels;
    d_length = length;
    d_currentOffset = 0;
    d_format = format;
}

inline void ImageContext::setNextPixel(byte red, byte green, byte bleu, byte alpha)
{
    //assert(d_currentOffset < d_length && "ASSERT: try to set a pixel outside of the image");
    switch(d_format)
    {
    case PF_A1B5G5R5:
        // The hard part 
        assert(0 && "ASSERT: Not yet implemented");
        break;
    case PF_RGB:
        // Ignore alpha channel 
        d_pixels[d_currentOffset++] = red;
        d_pixels[d_currentOffset++] = green;
        d_pixels[d_currentOffset++] = bleu;
        break;

    case PF_RGBA:    
        d_pixels[d_currentOffset++] = red;
        d_pixels[d_currentOffset++] = green;
        d_pixels[d_currentOffset++] = bleu;
        d_pixels[d_currentOffset++] = alpha;
        break;   
    
    }
}
inline size_t ImageContext::getWidth() const
{
    return d_width;
}

inline void ImageContext::setWidth(size_t width) 
{
    d_width = width;
}

inline size_t ImageContext::getHeight() const
{
    return d_height;
}

inline void ImageContext::setHeight(size_t height)
{
    d_height = height;
}
inline PixelFormat ImageContext::getPixelFormat() const
{
        return d_format;
}

} // End of section namespace SILLY

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