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ImageLoaderWx.cpp
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ImageLoaderWx.cpp
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/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "ImageLoaderWx.h"
#include "itextstream.h"
#include "ifilesystem.h"
#include "RGBAImage.h"
#include "stream/ScopedArchiveBuffer.h"
#include <wx/image.h>
#include <wx/mstream.h>
namespace image
{
namespace
{
void copyWxImageToRGBAImage(const wxImage& src, RGBAImage& dest)
{
wxASSERT(src.GetWidth() == int(dest.width));
wxASSERT(src.GetHeight() == int(dest.height));
for (int r = 0; r < src.GetHeight(); ++r)
for (int c = 0; c < src.GetWidth(); ++c)
{
RGBAPixel& destPix = dest.pixels[r * dest.width + c];
destPix.red = src.GetRed(c, r);
destPix.green = src.GetGreen(c, r);
destPix.blue = src.GetBlue(c, r);
destPix.alpha = src.HasAlpha() ? src.GetAlpha(c, r) : 255;
}
}
}
ImageLoaderWx::ImageLoaderWx()
{
// BMP handler is registered by default; may need to add other formats
wxImage::AddHandler(new wxPNGHandler);
}
ImagePtr ImageLoaderWx::load(ArchiveFile& file) const
{
archive::ScopedArchiveBuffer buffer(file);
// Construct a wxImage from the memory buffer
wxMemoryInputStream inputStream(buffer.buffer, buffer.length);
wxImage image(inputStream);
// Copy into the required RGBAImage structure
RGBAImagePtr rgbaImage(new RGBAImage(image.GetWidth(), image.GetHeight()));
copyWxImageToRGBAImage(image, *rgbaImage);
return rgbaImage;
}
ImageTypeLoader::Extensions ImageLoaderWx::getExtensions() const
{
ImageTypeLoader::Extensions extensions;
return extensions;
}
}