Java Code Examples for com.badlogic.gdx.utils.BufferUtils#newUnsafeByteBuffer()

protected static ByteBuffer getDirectByteBuffer(int capacity) {
	ByteBuffer result = USE_UNSAFE ? BufferUtils.newUnsafeByteBuffer(capacity) : ByteBuffer.allocateDirect(capacity);
	return result.order(ByteOrder.LITTLE_ENDIAN);
}
 

/** Creates a new generator from the given font file. Uses {@link FileHandle#length()} to determine the file size. If the file
 * length could not be determined (it was 0), an extra copy of the font bytes is performed. Throws a
 * {@link GdxRuntimeException} if loading did not succeed. */
public FreeTypeFontGenerator (FileHandle fontFile, int faceIndex) {
	name = fontFile.pathWithoutExtension();
	int fileSize = (int)fontFile.length();

	library = FreeType.initFreeType();
	if (library == null) throw new GdxRuntimeException("Couldn't initialize FreeType");

	ByteBuffer buffer = null;

	try {
		buffer = fontFile.map();
	} catch (GdxRuntimeException e) {
		// Silently error, certain platforms do not support file mapping.
	}

	if (buffer == null) {
		InputStream input = fontFile.read();
		try {
			if (fileSize == 0) {
				// Copy to a byte[] to get the file size, then copy to the buffer.
				byte[] data = StreamUtils.copyStreamToByteArray(input, 1024 * 16);
				buffer = BufferUtils.newUnsafeByteBuffer(data.length);
				BufferUtils.copy(data, 0, buffer, data.length);
			} else {
				// Trust the specified file size.
				buffer = BufferUtils.newUnsafeByteBuffer(fileSize);
				StreamUtils.copyStream(input, buffer);
			}
		} catch (IOException ex) {
			throw new GdxRuntimeException(ex);
		} finally {
			StreamUtils.closeQuietly(input);
		}
	}

	face = library.newMemoryFace(buffer, faceIndex);
	if (face == null) throw new GdxRuntimeException("Couldn't create face for font: " + fontFile);

	if (checkForBitmapFont()) return;
	setPixelSizes(0, 15);
}
 

public Face newMemoryFace(byte[] data, int dataSize, int faceIndex) {
	ByteBuffer buffer = BufferUtils.newUnsafeByteBuffer(data.length);
	BufferUtils.copy(data, 0, buffer, data.length);
	return newMemoryFace(buffer, faceIndex);
}
 

GLBufferObject(int target, boolean isStatic, int numElements, int elementSize) {

		handle = gl20.glGenBuffer();

		this.target = target;
		usage = isStatic ? GL_STATIC_DRAW : GL_DYNAMIC_DRAW;

		this.elementSize = elementSize;
		byteBuffer = BufferUtils.newUnsafeByteBuffer(numElements * elementSize);

		createElementBuffer(byteBuffer);

		byteBuffer.flip();
	}