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

static void DLL_CALLCONV
Close(FreeImageIO *io, fi_handle handle, void *data) {
}

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

static FIBITMAP * DLL_CALLCONV
Load(FreeImageIO *io, fi_handle handle, int page, int flags, void *data) {
	DDSHEADER header;
	FIBITMAP *dib = NULL;

	memset(&header, 0, sizeof(header));
	io->read_proc(&header, 1, sizeof(header), handle);
#ifdef FREEIMAGE_BIGENDIAN
	SwapHeader(&header);
#endif
	if (header.surfaceDesc.ddpfPixelFormat.dwFlags & DDPF_RGB) {
		dib = LoadRGB (header.surfaceDesc, io, handle, page, flags, data);
	}
	else if (header.surfaceDesc.ddpfPixelFormat.dwFlags & DDPF_FOURCC) {
		switch (header.surfaceDesc.ddpfPixelFormat.dwFourCC) {
			case FOURCC_DXT1:
				dib = LoadDXT (1, header.surfaceDesc, io, handle, page, flags, data);
				break;
			case FOURCC_DXT3:
				dib = LoadDXT (3, header.surfaceDesc, io, handle, page, flags, data);
				break;
			case FOURCC_DXT5:
				dib = LoadDXT (5, header.surfaceDesc, io, handle, page, flags, data);
				break;
		}
	}
	return dib;
}

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

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

void DLL_CALLCONV
InitDDS(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 = NULL;	//Save;	// not implemented (yet?)
	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;
}