@Override
public void draw(
Graphics2D gfx,
float dx,
float dy,
float dw,
float dh,
float sx,
float sy,
float sw,
float sh) {
// adjust our source rect to account for the scale factor
sx *= scale.factor;
sy *= scale.factor;
sw *= scale.factor;
sh *= scale.factor;
// now render the image through a clip and with a scaling transform, so that only the desired
// source rect is rendered, and is rendered into the desired target region
float scaleX = dw / sw, scaleY = dh / sh;
Shape oclip = gfx.getClip();
gfx.clipRect(MathUtil.ifloor(dx), MathUtil.ifloor(dy), MathUtil.iceil(dw), MathUtil.iceil(dh));
gfx.drawImage(
img, new AffineTransform(scaleX, 0f, 0f, scaleY, dx - sx * scaleX, dy - sy * scaleY), null);
gfx.setClip(oclip);
}
@Override
protected Pattern toSubPattern(
AbstractImageGL<?> image,
boolean repeatX,
boolean repeatY,
float x,
float y,
float width,
float height) {
CanvasElement canvas = Document.get().createElement("canvas").<CanvasElement>cast();
canvas.setWidth(MathUtil.iceil(width));
canvas.setHeight(MathUtil.iceil(height));
canvas.getContext2d().drawImage(img, x, y, width, height, 0, 0, width, height);
ImageElement subelem = canvas.cast();
return new HtmlPattern(image, subelem, repeatX, repeatY);
}
@Override
public Surface setAlpha(float alpha) {
int ialpha = (int) (0xFF * MathUtil.clamp(alpha, 0, 1));
this.tint = (ialpha << 24) | (tint & 0xFFFFFF);
return this;
}
@Override
protected Float updateAndNotifyIf(Float value) {
return super.updateAndNotifyIf(MathUtil.clamp(value, 0, 1));
}