How to use

playn.core.gl.Scale

constructor

/**
 * Configures the default scale to use for assets. This allows one to specify an intermediate
 * graphics scale (like 1.5) and scale the 2x imagery down to 1.5x instead of scaling the 1.5x
 * imagery up (or displaying nothing at all).
 */
public void setAssetScale(float scaleFactor) {
 this.assetScale = new Scale(scaleFactor);
}

/**
 * Configures the default scale to use for assets. This allows one to specify an intermediate
 * graphics scale (like 1.5) and scale the 2x imagery down to 1.5x instead of scaling the 1.5x
 * imagery up (or displaying nothing at all).
 */
public void setAssetScale(float scaleFactor) {
 this.assetScale = new Scale(scaleFactor);
}

/**
 * Configures the default scale to use for assets. This allows one to use higher resolution
 * imagery than the device might normally. For example, one can supply scale 2 here, and
 * configure the graphics scale to 1.25 in order to use iOS Retina graphics (640x960) on a WXGA
 * (480x800) device.
 */
public void setAssetScale(float scaleFactor) {
 this.assetScale = new Scale(scaleFactor);
}

/**
 * Configures the default scale to use for assets. This allows one to use higher resolution
 * imagery than the device might normally. For example, one can supply scale 2 here, and
 * configure the graphics scale to 1.25 in order to use iOS Retina graphics (640x960) on a WXGA
 * (480x800) device.
 */
public void setAssetScale(float scaleFactor) {
 this.assetScale = new Scale(scaleFactor);
}

/**
 * Configures the default scale to use for assets. This allows one to specify an intermediate
 * graphics scale (like 1.5) and scale the 2x imagery down to 1.5x instead of scaling the 1.5x
 * imagery up (or displaying nothing at all).
 */
public void setAssetScale(float scaleFactor) {
 this.assetScale = new Scale(scaleFactor);
}

protected GLContext(AbstractPlatform platform, float scaleFactor) {
 this.scale = new Scale(scaleFactor);
 this.platform = platform;
}

/**
 * Returns an ordered series of scaled resources to try when loading an asset. The highest
 * resolution will be tried first, then half that resolution and so forth down to a normal
 * resolution image. In general this is simply {@code 2, 1}, but on a Retina iPad, it could be
 * {@code 4, 2, 1}.
 */
public List<ScaledResource> getScaledResources(String path) {
 List<ScaledResource> rsrcs = new ArrayList<ScaledResource>();
 rsrcs.add(new ScaledResource(this, computePath(path, factor)));
 for (float rscale = MathUtil.ifloor(factor); rscale > 1; rscale -= 1) {
  if (rscale != factor) rsrcs.add(
   new ScaledResource(new Scale(rscale), computePath(path, rscale)));
 }
 rsrcs.add(new ScaledResource(ONE, path));
 return rsrcs;
}

public HtmlGraphicsCanvas(HtmlPlatform.Config config) {
 super(config);
 scale = new Scale(config.scaleFactor);
 rootLayer = new GroupLayerCanvas(createXform());