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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "CImageWriterPPM.h"
#ifdef _IRR_COMPILE_WITH_PPM_WRITER_
#include "IWriteFile.h"
#include "IImage.h"
#include "dimension2d.h"
#include "irrString.h"
namespace irr
{
namespace video
{
IImageWriter* createImageWriterPPM()
{
return new CImageWriterPPM;
}
CImageWriterPPM::CImageWriterPPM()
{
#ifdef _DEBUG
setDebugName("CImageWriterPPM");
#endif
}
bool CImageWriterPPM::isAWriteableFileExtension(const io::path& filename) const
{
return core::hasFileExtension ( filename, "ppm" );
}
bool CImageWriterPPM::writeImage(io::IWriteFile *file, IImage *image, u32 param) const
{
char cache[70];
int size;
const core::dimension2d<u32>& imageSize = image->getDimension();
const bool binary = false;
if (binary)
size = snprintf(cache, 70, "P6\n");
else
size = snprintf(cache, 70, "P3\n");
if (file->write(cache, size) != size)
return false;
size = snprintf(cache, 70, "%d %d\n", imageSize.Width, imageSize.Height);
if (file->write(cache, size) != size)
return false;
size = snprintf(cache, 70, "255\n");
if (file->write(cache, size) != size)
return false;
if (binary)
{
for (u32 h = 0; h < imageSize.Height; ++h)
{
for (u32 c = 0; c < imageSize.Width; ++c)
{
const video::SColor& pixel = image->getPixel(c, h);
const u8 r = (u8)(pixel.getRed() & 0xff);
const u8 g = (u8)(pixel.getGreen() & 0xff);
const u8 b = (u8)(pixel.getBlue() & 0xff);
file->write(&r, 1);
file->write(&g, 1);
file->write(&b, 1);
}
}
}
else
{
s32 n = 0;
for (u32 h = 0; h < imageSize.Height; ++h)
{
for (u32 c = 0; c < imageSize.Width; ++c, ++n)
{
const video::SColor& pixel = image->getPixel(c, h);
size = snprintf(cache, 70, "%.3u %.3u %.3u%s", pixel.getRed(), pixel.getGreen(), pixel.getBlue(), n % 5 == 4 ? "\n" : " ");
if (file->write(cache, size) != size)
return false;
}
}
}
return true;
}
} // namespace video
} // namespace irr
#endif
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