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

static BOOL DLL_CALLCONV
SupportsICCProfiles() {
	return TRUE;
}

static BOOL DLL_CALLCONV
SupportsNoPixels() {
	return TRUE;
}


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

static void * DLL_CALLCONV
Open(FreeImageIO *io, fi_handle handle, BOOL read) {
	return NULL;
}

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) {
	long offset = JNG_SIGNATURE_SIZE;	// move to skip first 8 bytes of signature

	// check the signature (8 bytes)
	if(Validate(io, handle) == FALSE) {
		return NULL;
	}
	
	// parse chunks and decode a jng or mng bitmap
	return mng_ReadChunks(s_format_id, io, handle, offset, flags);
}

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

	return mng_WriteJNG(s_format_id, io, dib, handle, flags);
}

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

void DLL_CALLCONV
InitJNG(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;
}