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

		// -----------------------

		// dib coordinates are upside-down relative to usual conventions
		bIsFlipped = FreeImage_FlipVertical(dib);

		// get a pointer to dst pixel data
		BYTE *dib_bits = FreeImage_GetBits(dib);

		// get dst pitch (count of BYTE for stride)
		const unsigned cbStride = FreeImage_GetPitch(dib);

		// write metadata + pixels on output
		error_code = pEncoder->WritePixels(pEncoder, height, dib_bits, cbStride);
		JXR_CHECK(error_code);

		// recover dib coordinates
		FreeImage_FlipVertical(dib);

		// free the encoder
		pEncoder->Release(&pEncoder);
		assert(pEncoder == NULL);
		
		return TRUE;

	} catch (const char *message) {
		if(bIsFlipped) {
			// recover dib coordinates
			FreeImage_FlipVertical(dib);
		}
		if(pEncoder) {
			// free the encoder
			pEncoder->Release(&pEncoder);
			assert(pEncoder == NULL);
		}
		if(NULL != message) {
			FreeImage_OutputMessageProc(s_format_id, message);
		}
	}

	return FALSE;
}

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

void DLL_CALLCONV
InitJXR(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 = Open;
	plugin->close_proc = Close;
	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 = SupportsICCProfiles;
	plugin->supports_no_pixels_proc = SupportsNoPixels;
}