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src/Source/FreeImage/PluginHDR.cpp  view on Meta::CPAN

	}

	return dib;
}

static BOOL DLL_CALLCONV
Save(FreeImageIO *io, FIBITMAP *dib, fi_handle handle, int page, int flags, void *data) {
	if(!dib) return FALSE;

	FREE_IMAGE_TYPE src_type = FreeImage_GetImageType(dib);
	if(src_type != FIT_RGBF) {
		FreeImage_OutputMessageProc(s_format_id, "FREE_IMAGE_TYPE: Unable to convert from type %d to type %d.\n No such conversion exists.", src_type, FIT_RGBF);
		return FALSE;
	}

	unsigned width  = FreeImage_GetWidth(dib);
	unsigned height = FreeImage_GetHeight(dib);

	// write the header

	rgbeHeaderInfo header_info;
	memset(&header_info, 0, sizeof(rgbeHeaderInfo));
	// fill the header with correct gamma and exposure
	rgbe_WriteMetadata(dib, &header_info);
	// fill a comment
	sprintf(header_info.comment, "# Made with FreeImage %s", FreeImage_GetVersion());
	if(!rgbe_WriteHeader(io, handle, width, height, &header_info)) {
		return FALSE;
	}

	// write each scanline

	for(unsigned y = 0; y < height; y++) {
		FIRGBF *scanline = (FIRGBF*)FreeImage_GetScanLine(dib, height - 1 - y);
		if(!rgbe_WritePixels_RLE(io, handle, scanline, width, 1)) {
			return FALSE;
		}
	}

	return TRUE;
}

// ==========================================================
//   Init
// ==========================================================

void DLL_CALLCONV
InitHDR(Plugin *plugin, int format_id) {
	s_format_id = format_id;

	plugin->format_proc = Format;
	plugin->description_proc = Description;
	plugin->extension_proc = Extension;
	plugin->regexpr_proc = RegExpr;
	plugin->open_proc = NULL;
	plugin->close_proc = NULL;
	plugin->pagecount_proc = NULL;
	plugin->pagecapability_proc = NULL;
	plugin->load_proc = Load;
	plugin->save_proc = Save;
	plugin->validate_proc = Validate;
	plugin->mime_proc = MimeType;
	plugin->supports_export_bpp_proc = SupportsExportDepth;
	plugin->supports_export_type_proc = SupportsExportType;
	plugin->supports_icc_profiles_proc = NULL;
	plugin->supports_no_pixels_proc = SupportsNoPixels;
}