How to use

scaled

method

in

playn.core.gl.Scale

/** Returns the supplied length scaled by our scale factor and rounded down. */
public int scaledFloor(float length) {
 return MathUtil.ifloor(scaled(length));
}

public RoboCanvas(RoboGLContext ctx, float width, float height, boolean interpolate) {
 super(width, height);
 // if our size is invalid, we'll fail below at CGBitmapContext, so fail here more usefully
 if (width <= 0 || height <= 0) throw new IllegalArgumentException(
  "Invalid size " + width + "x" + height);
 states.addFirst(new RoboCanvasState());
 this.ctx = ctx;
 // create our raw image data
 texWidth = ctx.scale.scaledCeil(width);
 texHeight = ctx.scale.scaledCeil(height);
 // create the bitmap context via which we'll render into it
 bctx = RoboGraphics.createCGBitmap(texWidth, texHeight);
 if (!interpolate) {
  bctx.setInterpolationQuality(CGInterpolationQuality.None);
 }
 // clear the canvas before we scale our bitmap context to avoid artifacts
 bctx.clearRect(new CGRect(0, 0, texWidth, texHeight));
 // CG coordinate system is OpenGL-style (0,0 in lower left); so we flip it
 bctx.translateCTM(0, ctx.scale.scaled(height));
 bctx.scaleCTM(ctx.scale.factor, -ctx.scale.factor);
}

/** Returns the supplied length scaled by our scale factor and rounded up. */
public int scaledCeil(float length) {
 return MathUtil.iceil(scaled(length));
}