@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;
}
public TileImage(String imageName) {
Image image = assetManager().getImage("images/" + imageName);
imageLayer = graphics().createImageLayer(image);
// TODO: remove these and replace with something useful
final int width = 15;
final int height = 15;
image.addCallback(
new ResourceCallback<Image>() {
@Override
public void done(Image image) {
// since the image is loaded, we can use its width and height
imageLayer.setWidth(image.width());
imageLayer.setHeight(image.height());
imageLayer.setOrigin(image.width() / 2f, image.height() / 2f);
imageLayer.setScale(width / image.width(), height / image.height());
// TODO: These values need to be set
// imageLayer.setTranslation(x, y);
// imageLayer.setRotation(angle);
}
@Override
public void error(Throwable err) {
PlayN.log().error("Error loading image: " + err.getMessage());
}
});
}
/**
* 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;
}
public Hero(final GroupLayer heroLayer, final float x, final float y, float floorHeight) {
Image image = assets().getImage(IMAGE);
_heroLayer = graphics().createImageLayer(image);
_floorHeight = floorHeight;
// Add a callback for when the image loads.
// This is necessary because we can't use the width/height (to center the
// image) until after the image has been loaded
image.addCallback(
new ResourceCallback<Image>() {
@Override
public void done(Image image) {
_heroHeight = graphics().height() / _size;
_heroWidth = (image.width() * _heroHeight) / image.height();
_heroLayer.setHeight(_heroHeight);
_heroLayer.setWidth(_heroWidth);
_heroLayer.setOrigin(_heroWidth / 2f, _heroHeight / 2f);
_heroLayer.setTranslation(x, y);
// _heroLayer.setScale(0.2f);
heroLayer.add(_heroLayer);
_x = x;
_y = y;
// the center of the image is its height/2 and afterwards we scale it per 0.2 (1/5)
// _heroHeight = image.height() / 10f;
}
@Override
public void error(Throwable err) {
log().error("Error loading image!", err);
}
});
}
@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;
}
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));
}
/**
* 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());
}
