public void testRenderNotUsingOffered(BufferedImage offered, int width, int height, int type) {
for (InterpolationType interpolation : InterpolationType.values()) {
AffineTransformationStep transformer =
new AffineTransformationStep(
BasicImageTransformations.identityTransformation(), Color.GRAY, interpolation);
TransformedImage inputImage = blankTransformedImage(Color.BLUE, width, height, type);
TransformationStepInput input = new TransformationStepInput(null, width, height, inputImage);
TransformedImage result = transformer.render(Cancellation.UNCANCELABLE_TOKEN, input, offered);
assertNotSame(offered, result.getImage());
ImageTestUtils.checkBlankImage(result.getImage(), Color.BLUE);
PointTransformerChecks.checkEqualPointTransformers(
AffineImagePointTransformer.IDENTITY, result.getPointTransformer());
}
}
private static BufferedImage blankImage(Color color, int width, int height, int type) {
BufferedImage result = new BufferedImage(width, height, type);
ImageTestUtils.fillImage(result, color);
return result;
}