Avoid warning and make local variable lower-case.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CImageWriterPPM.cpp

@@ -0,0 +1,113 @@
+// 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_irr(cache, 70, "P6\n");
+	else
+		size = snprintf_irr(cache, 70, "P3\n");
+	if ( size < 0 )
+		return false;
+
+	if (file->write(cache, (size_t)size) != (size_t)size)
+		return false;
+
+	size = snprintf_irr(cache, 70, "%u %u\n", imageSize.Width, imageSize.Height);
+	if ( size < 0 )
+		return false;
+	if (file->write(cache, (size_t)size) != (size_t)size)
+		return false;
+
+	size = snprintf_irr(cache, 70, "255\n");
+	if ( size < 0 )
+		return false;
+	if (file->write(cache, (size_t)size) != (size_t)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_irr(cache, 70, "%.3u %.3u %.3u%s", pixel.getRed(), pixel.getGreen(), pixel.getBlue(), n % 5 == 4 ? "\n" : "  ");
+				if ( size < 0 )
+					return false;
+				if (file->write(cache, (size_t)size) != (size_t)size)
+					return false;
+			}
+		}
+	}
+
+	return true;
+}
+
+
+} // namespace video
+} // namespace irr
+
+#endif
+