Example #1
0
bool MacResExtractor::extractResource(int id, CachedCursor *cc) {
	// Create the MacResManager if not created already
	if (_resMgr == NULL) {
		_resMgr = new Common::MacResManager();
		if (!_resMgr->open(_vm->generateFilename(-3)))
			error("Cannot open file %s", _fileName.c_str());
	}

	Common::SeekableReadStream *dataStream = _resMgr->getResource('crsr', id + 1000);
	
	if (!dataStream)
		return false;

	// If we don't have a cursor palette, force monochrome cursors
	bool forceMonochrome = !_vm->_system->hasFeature(OSystem::kFeatureCursorPalette);

	Graphics::MacCursor *macCursor = new Graphics::MacCursor();

	if (!macCursor->readFromStream(*dataStream, forceMonochrome)) {
		delete dataStream;
		delete macCursor;
		return false;
	}

	cc->bitmap = new byte[macCursor->getWidth() * macCursor->getHeight()];
	cc->width = macCursor->getWidth();
	cc->height = macCursor->getHeight();
	cc->hotspotX = macCursor->getHotspotX();
	cc->hotspotY = macCursor->getHotspotY();

	if (forceMonochrome) {
		// Convert to the SCUMM palette
		const byte *srcBitmap = macCursor->getSurface();

		for (int i = 0; i < macCursor->getWidth() * macCursor->getHeight(); i++) {
			if (srcBitmap[i] == macCursor->getKeyColor()) // Transparent
				cc->bitmap[i] = 255;
			else if (srcBitmap[i] == 0)                // Black
				cc->bitmap[i] = 253;
			else                                       // White
				cc->bitmap[i] = 254;
		}
	} else {
		// Copy data and palette

		// Sanity check. This code assumes that the key color is the same
		assert(macCursor->getKeyColor() == 255);

		memcpy(cc->bitmap, macCursor->getSurface(), macCursor->getWidth() * macCursor->getHeight());

		cc->palette = new byte[256 * 3];
		cc->palSize = 256;
		memcpy(cc->palette, macCursor->getPalette(), 256 * 3);
	}

	delete macCursor;
	delete dataStream;
	return true;
}
Example #2
0
void CursorManager::setMacCursor(Common::SeekableReadStream *stream) {
	assert(stream);

	Graphics::MacCursor *macCursor = new Graphics::MacCursor();

	if (!macCursor->readFromStream(*stream))
		error("Could not parse Mac cursor");

	CursorMan.replaceCursor(macCursor->getSurface(), macCursor->getWidth(), macCursor->getHeight(),
			macCursor->getHotspotX(), macCursor->getHotspotY(), macCursor->getKeyColor());
	CursorMan.replaceCursorPalette(macCursor->getPalette(), 0, 256);

	delete macCursor;
	delete stream;
}