C++ (Cpp) SaveGame::readLEUint16 Examples

Example #1

File: lua_v1.cpp Project: gmacon/residual

void L1_GetSaveGameImage() {
	int width = 250, height = 188;
	Bitmap *screenshot;
	int dataSize;

	lua_Object param = lua_getparam(1);
	if (!lua_isstring(param)) {
		lua_pushnil();
		return;
	}
	const char *filename = lua_getstring(param);
	SaveGame *savedState = SaveGame::openForLoading(filename);
	if (!savedState || savedState->saveVersion() != SaveGame::SAVEGAME_VERSION) {
		lua_pushnil();
		return;
	}
	dataSize = savedState->beginSection('SIMG');
	uint16 *data = new uint16[dataSize / 2];
	for (int l = 0; l < dataSize / 2; l++) {
		data[l] = savedState->readLEUint16();
	}
	screenshot = new Bitmap((char *)data, width, height, 16, "screenshot");
	if (screenshot) {
		lua_pushusertag(screenshot->getId(), MKTAG('V','B','U','F'));
	} else {
		lua_pushnil();
		warning("Could not restore screenshot from file");
		delete savedState;
		return;
	}
	savedState->endSection();
	delete savedState;
}

Example #2

File: lua_v2.cpp Project: eriktorbjorn/residualvm

void Lua_V2::ThumbnailFromFile() {
	lua_Object texIdObj = lua_getparam(1);
	lua_Object filenameObj = lua_getparam(2);

	if (!lua_isnumber(texIdObj) || !lua_isstring(filenameObj)) {
		warning("Lua_V2::ThumbnailFromFile: wrong parameters");
		return;
	}
	int index = (int)lua_getnumber(texIdObj);
	const char *filename = lua_getstring(filenameObj);

	int width = 256, height = 128;
	Bitmap *screenshot;

	SaveGame *savedState = SaveGame::openForLoading(filename);
	if (!savedState || !savedState->isCompatible()) {
		delete savedState;
		warning("Lua_V2::ThumbnailFromFile: savegame %s not compatible", filename);
		lua_pushnil();
		return;
	}
	int dataSize = savedState->beginSection('SIMG');
	if (dataSize != width * height * 2) {
		warning("Lua_V2::ThumbnailFromFile: savegame uses unexpected thumbnail size, ignore it");
		lua_pushnil();
		delete savedState;
		return;
	}
	uint16 *data = new uint16[dataSize / 2];
	for (int l = 0; l < dataSize / 2; l++) {
		data[l] = savedState->readLEUint16();
	}
	Graphics::PixelBuffer buf(Graphics::createPixelFormat<565>(), (byte *)data);
	screenshot = new Bitmap(buf, width, height, "screenshot");
	if (!screenshot) {
		lua_pushnil();
		warning("Lua_V2::ThumbnailFromFile: Could not restore screenshot from file %s", filename);
		delete[] data;
		delete savedState;
		return;
	}

	screenshot->_data->convertToColorFormat(Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24));
	g_driver->createSpecialtyTexture(index, screenshot->getData(0).getRawBuffer(), width, height);
	delete[] data;
	savedState->endSection();
	delete savedState;

	pushbool(true);
}

Example #3

File: lua_v1.cpp Project: Harrypoppins/grim_mouse

void Lua_V1::GetSaveGameImage() {
	int width = 250, height = 188;
	Bitmap *screenshot;
	int dataSize;

	lua_Object param = lua_getparam(1);
	if (!lua_isstring(param)) {
		lua_pushnil();
		return;
	}
	const char *filename = lua_getstring(param);
	SaveGame *savedState = SaveGame::openForLoading(filename);
	if (!savedState || !savedState->isCompatible()) {
		delete savedState;
		lua_pushnil();
		return;
	}
	dataSize = savedState->beginSection('SIMG');
	uint16 *data = new uint16[dataSize / 2];
	for (int l = 0; l < dataSize / 2; l++) {
		data[l] = savedState->readLEUint16();
	}
	Graphics::PixelBuffer buf(Graphics::createPixelFormat<565>(), (byte *)data);
	screenshot = new Bitmap(buf, width, height, "screenshot");
	delete[] data;
	if (screenshot) {
		lua_pushusertag(screenshot->getId(), MKTAG('V','B','U','F'));
	} else {
		lua_pushnil();
		warning("Could not restore screenshot from file");
		delete savedState;
		return;
	}
	savedState->endSection();
	delete savedState;
}