public static void arrowUp(Window window) {
if (arrowUp == 0) arrowUp = loadResource("arrowUp.jpg");
Log.log("cursors", () -> "setting to arrow");
if (currentCursor != arrowUp)
Glfw.glfwSetCursor(window.getGLFWWindowReference(), currentCursor = arrowUp);
}
protected static long loadResource(String res) {
URL arrowFile = Cursors.class.getClassLoader().getResource(res);
String file = arrowFile.getFile();
ByteBuffer dest = ByteBuffer.allocateDirect(3 * cursorSize * cursorSize);
ByteBuffer destRGBA = ByteBuffer.allocateDirect(4 * cursorSize * cursorSize);
j.decompress(file, dest, cursorSize, cursorSize);
for (int i = 0; i < cursorSize * cursorSize; i++) {
byte r = dest.get();
byte g = dest.get();
byte b = dest.get();
destRGBA.put(r);
destRGBA.put(g);
destRGBA.put(b);
destRGBA.put((byte) (255 - (b & 0xff)));
}
dest.rewind();
return Glfw.glfwCreateCursor(destRGBA, cursorSize, cursorSize, 16, 16);
}
public static void clear(Window window) {
if (currentCursor != 0) Glfw.glfwSetCursor(window.getGLFWWindowReference(), currentCursor = 0);
}