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

		// read the data

		for (unsigned y = 0; y < height / 2; y++) {
			io->read_proc(y1, width, 1, handle);
			io->read_proc(y2, width, 1, handle);
			io->read_proc(cbcr, width, 1, handle);

			for (int i = 0; i < 2; i++) {
				BYTE *bits = FreeImage_GetScanLine(dib, start_scan_line);
				for (unsigned x = 0; x < width; x++) {
					int r, g, b;

					YUV2RGB(yl[i][x], cbcr[x / 2], cbcr[(width / 2) + (x / 2)], r, g, b);

					bits[FI_RGBA_BLUE]  = (BYTE)b;
					bits[FI_RGBA_GREEN] = (BYTE)g;
					bits[FI_RGBA_RED]   = (BYTE)r;
					bits += 3;
				}

				start_scan_line += scan_line_add;
			}
		}

		free(cbcr);
		free(y2);
		free(y1);

		return dib;

	} catch(const char *text) {
		if(dib) FreeImage_Unload(dib);
		if(cbcr) free(cbcr);
		if(y2) free(y2);
		if(y1) free(y1);

		FreeImage_OutputMessageProc(s_format_id, text);

		return NULL;
	}
}

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

void DLL_CALLCONV
InitPCD(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 = NULL;
	plugin->validate_proc = NULL;
	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;
}