@Override
public Surface drawImage(Image image, float x, float y, float dw, float dh) {
bindFramebuffer();
((ImageGL) image)
.draw(shader, topTransform(), x, y, dw, dh, 0, 0, image.width(), image.height(), tint);
return this;
}
/**
* Creates a new background using the given image. The image is assumed to be divided into a 3x1
* grid of 3 equal pieces.
*
* <p>NOTE: the image must be preloaded since we need to determine the stretching factor. If this
* cannot be arranged using the application resource strategy, callers may consider setting the
* background style from the images callback.
*/
public Scale3Background(Image image) {
if (!image.isReady()) {
// complain about this, we don't support asynch images
PlayN.log().warn("Scale3 image not preloaded: " + image);
}
_image = image;
_s3 = new Scale3(image.width(), image.height());
}
// used by GLContext.tex(Sub)Image2D impls
protected static ByteBuffer getRgba(Image image) {
int w = (int) image.width(), h = (int) image.height(), size = w * h;
int[] rawPixels = new int[size];
ByteBuffer pixels = ByteBuffer.allocateDirect(size * 4);
pixels.order(ByteOrder.nativeOrder());
IntBuffer rgba = pixels.asIntBuffer();
image.getRgb(0, 0, w, h, rawPixels, 0, w);
for (int i = 0; i < size; i++) {
int argb = rawPixels[i];
// Order is inverted because this is read as a byte array, and we store intel ints.
rgba.put(i, ((argb >> 16) & 0x0ff) | (argb & 0x0ff00ff00) | ((argb & 0xff) << 16));
}
return pixels;
}
@Override
public Surface drawImageCentered(Image img, float x, float y) {
return drawImage(img, x - img.width() / 2, y - img.height() / 2);
}
@Override
public Surface drawImage(Image image, float x, float y) {
return drawImage(image, x, y, image.width(), image.height());
}
public int getHeight() {
if (image != null) return image.height();
return 1;
}
/**
* Creates an instance with the supplied source image. The image is assumed to contain a complete
* sheet of frames, each {@code width x height} in size.
*
* @param width the width of each frame.
* @param height the width of each frame.
*/
public SimpleFrames(Image source, float width, float height) {
this(source, width, height, (int) (source.height() / height) * (int) (source.width() / width));
}
/**
* Creates an instance with the supplied source image. The frames are assumed to be all in a
* single row, thus the height of the image defines the height of the frame.
*
* @param width the width of each frame.
*/
public SimpleFrames(Image source, float width) {
this(source, width, source.height());
}
