Differential D6891 Diff 21897 source/blender/imbuf/intern/openexr/openexr_api.cpp

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source/blender/imbuf/intern/openexr/openexr_api.cpp

Show First 20 Lines • Show All 1,751 Lines • ▼ Show 20 Lines	static bool exr_has_zbuffer(MultiPartInputFile &file)
return !(file.header(0).channels().findChannel("Z") == NULL);		return !(file.header(0).channels().findChannel("Z") == NULL);
}		}

static bool exr_has_alpha(MultiPartInputFile &file)		static bool exr_has_alpha(MultiPartInputFile &file)
{		{
return !(file.header(0).channels().findChannel("A") == NULL);		return !(file.header(0).channels().findChannel("A") == NULL);
}		}

		static bool exr_is_half_float(MultiPartInputFile &file)
		{
		const ChannelList &channels = file.header(0).channels();
		for (ChannelList::ConstIterator i = channels.begin(); i != channels.end(); ++i) {
		const Channel &channel = i.channel();
		if (channel.type != HALF) {
		return false;
		}
		}
		return true;
		}

static bool imb_exr_is_multilayer_file(MultiPartInputFile &file)		static bool imb_exr_is_multilayer_file(MultiPartInputFile &file)
{		{
const ChannelList &channels = file.header(0).channels();		const ChannelList &channels = file.header(0).channels();
std::set<std::string> layerNames;		std::set<std::string> layerNames;

/* This will not include empty layer names, so files with just R/G/B/A		/* This will not include empty layer names, so files with just R/G/B/A
* channels without a layer name will be single layer. */		* channels without a layer name will be single layer. */
channels.layers(layerNames);		channels.layers(layerNames);
▲ Show 20 Lines • Show All 136 Lines • ▼ Show 20 Lines	try {
/* do not make an ibuf when */		/* do not make an ibuf when */
if (is_multi && !(flags & IB_test) && !(flags & IB_multilayer)) {		if (is_multi && !(flags & IB_test) && !(flags & IB_multilayer)) {
printf("Error: can't process EXR multilayer file\n");		printf("Error: can't process EXR multilayer file\n");
}		}
else {		else {
const int is_alpha = exr_has_alpha(*file);		const int is_alpha = exr_has_alpha(*file);

ibuf = IMB_allocImBuf(width, height, is_alpha ? 32 : 24, 0);		ibuf = IMB_allocImBuf(width, height, is_alpha ? 32 : 24, 0);
		ibuf->flags \|= exr_is_half_float(*file) ? IB_halffloat : 0;

if (hasXDensity(file->header(0))) {		if (hasXDensity(file->header(0))) {
ibuf->ppm[0] = xDensity(file->header(0)) * 39.3700787f;		ibuf->ppm[0] = xDensity(file->header(0)) * 39.3700787f;
ibuf->ppm[1] = ibuf->ppm[0] * (double)file->header(0).pixelAspectRatio();		ibuf->ppm[1] = ibuf->ppm[0] * (double)file->header(0).pixelAspectRatio();
}		}

ibuf->ftype = IMB_FTYPE_OPENEXR;		ibuf->ftype = IMB_FTYPE_OPENEXR;

▲ Show 20 Lines • Show All 159 Lines • Show Last 20 Lines