@Test
public void testProperties2() {
Color bckgColor = new Color(1, 2, 3, 4);
BasicImageTransformations affine = BasicImageTransformations.newRotateTransformation(3.0);
AffineTransform expectedAffine = AffineTransformationStep.getTransformationMatrix(affine);
for (InterpolationType interpolation : InterpolationType.values()) {
AffineTransformationStep transf =
new AffineTransformationStep(affine, bckgColor, interpolation);
assertSame(bckgColor, transf.getBackgroundColor());
assertSame(interpolation, transf.getInterpolationType());
PointTransformerChecks.checkEqualPointTransformers(
new AffineImagePointTransformer(expectedAffine),
new AffineImagePointTransformer(transf.getTransformations()));
}
}
@Test
public void testProperties1() {
Color bckgColor = new Color(1, 2, 3, 4);
AffineTransform expectedAffine = nonIdentityAffineTransform();
for (InterpolationType interpolation : InterpolationType.values()) {
AffineTransform affine = new AffineTransform(expectedAffine);
AffineTransformationStep transf =
new AffineTransformationStep(affine, bckgColor, interpolation);
assertSame(bckgColor, transf.getBackgroundColor());
assertSame(interpolation, transf.getInterpolationType());
PointTransformerChecks.checkEqualPointTransformers(
new AffineImagePointTransformer(expectedAffine),
new AffineImagePointTransformer(transf.getTransformations()));
}
}
@Test
public void testRenderNullInputProperties() {
for (InterpolationType interpolation : InterpolationType.values()) {
AffineTransformationStep transformer =
new AffineTransformationStep(
BasicImageTransformations.newZoomTransformation(100.0, 100.0),
Color.GRAY,
interpolation);
TransformationStepInput input =
new TransformationStepInput(null, 100, 100, TransformedImage.NULL_IMAGE);
TransformedImage result = transformer.render(Cancellation.UNCANCELABLE_TOKEN, input, null);
assertNull(result.getImage());
PointTransformerChecks.checkEqualPointTransformers(
AffineImagePointTransformer.IDENTITY, result.getPointTransformer());
}
}
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());
}
}
@Test
public void testRender() {
BasicImageTransformations.Builder builder = new BasicImageTransformations.Builder();
builder.setFlipHorizontal(true);
builder.setFlipVertical(true);
builder.setOffset(5.0, 6.0);
builder.setRotateInRadians(Math.PI / 6.0);
builder.setZoomX(3.0);
builder.setZoomY(4.0);
BasicImageTransformations transf = builder.create();
for (InterpolationType interpolation : InterpolationType.values()) {
AffineTransform affinTransf = AffineTransformationStep.getTransformationMatrix(transf);
AffineTransformationStep transformer1 =
new AffineTransformationStep(transf, Color.GRAY, interpolation);
AffineTransformationStep transformer2 =
new AffineTransformationStep(affinTransf, Color.GRAY, interpolation);
// Test that it does not affect transformer2
affinTransf.translate(1000.0, 1000.0);
int srcWidth = 20;
int srcHeight = 30;
int destWidth = 110;
int destHeight = 120;
BufferedImage srcImage = new BufferedImage(srcWidth, srcHeight, BufferedImage.TYPE_BYTE_GRAY);
TransformedImage inputImage = new TransformedImage(srcImage, null);
TransformationStepInput input =
new TransformationStepInput(null, destWidth, destHeight, inputImage);
AffineTransform expectedTransf =
AffineTransformationStep.getTransformationMatrix(
transf, srcWidth, srcHeight, destWidth, destHeight);
ImagePointTransformer expectedPointTransf = new AffineImagePointTransformer(expectedTransf);
testConvertData(transformer1, input, expectedPointTransf);
testConvertData(transformer2, input, expectedPointTransf);
assertNotNull(transformer1.toString());
assertNotNull(transformer2.toString());
}
}