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