@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;
}
@Override
public boolean loadAsset() {
logger.info("Loading image " + descriptor.getUri());
loaded = false;
if (image == null) {
try {
String path = assetHandler.getAbsolutePath(descriptor.getUri().getPath());
image = PlayN.assets().getImage(path);
if (image != null) {
logger.info(
"Image loaded OK: {} from {} width {}",
new Object[] {descriptor.getUri(), path, image.width()});
return image.isReady();
} else {
logger.error("Image NOT loaded: {}", descriptor.getUri());
return true;
}
} catch (Exception e) {
logger.error("Error loading image: {}", descriptor.getUri(), e);
return false;
}
}
image.addCallback(
new ResourceCallback<Image>() {
@Override
public void done(Image resource) {
loaded = true;
}
@Override
public void error(Throwable err) {}
});
return loaded;
}
/**
* 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 getWidth() {
if (image != null) return image.width();
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));
}