/**
* Scales the Pix to specified x and y scale. If no scaling is required, returns a clone of the
* source Pix.
*
* @param pixs the source Pix
* @param scaleX x-dimension (width) scaling factor
* @param scaleY y-dimension (height) scaling factor
* @return a Pix scaled according to the supplied factors
*/
public static Pix scale(Pix pixs, float scaleX, float scaleY) {
if (pixs == null) throw new IllegalArgumentException("Source pix must be non-null");
if (scaleX <= 0.0f) throw new IllegalArgumentException("X scaling factor must be positive");
if (scaleY <= 0.0f) throw new IllegalArgumentException("Y scaling factor must be positive");
long nativePix = nativeScale(pixs.getNativePix(), scaleX, scaleY);
if (nativePix == 0) throw new RuntimeException("Failed to natively scale pix");
return new Pix(nativePix);
}
/**
* Scales the Pix to the specified scale without sharpening.
*
* @param pixs the source Pix (1, 2, 4, 8, 16 and 32 bpp)
* @param scale scaling factor for both X and Y
* @return a Pix scaled while maintaining its aspect ratio
*/
public static Pix scaleWithoutSharpening(Pix pixs, float scale) {
if (pixs == null) throw new IllegalArgumentException("Source pix must be non-null");
if (scale <= 0.0f) throw new IllegalArgumentException("Scaling factor must be positive");
return new Pix(nativeScaleGeneral(pixs.getNativePix(), scale, scale, 0f, 0));
}