@Test
public void drawWithClipAndTransform() throws Exception {
graphics.setPaint(Color.BLACK);
graphics.fill(imageBounds);
AffineTransform tr =
AffineTransform.getRotateInstance(
Math.PI / 4,
image.getMinX() + image.getWidth() / 2,
image.getMinY() + image.getHeight() / 2);
graphics.transform(tr);
graphics.clip(midRect);
graphics.setPaint(Color.RED);
graphics.fill(imageBounds);
showImage("drawWithClipAndTransform");
// Outside transformed clip region
Rectangle outer = new Rectangle(midRect);
outer.grow(5, 5);
Point2D[] corners = getCorners(outer);
Point2D[] trPoints = new Point2D[corners.length];
tr.transform(corners, 0, trPoints, 0, corners.length);
assertColor(Color.BLACK, trPoints);
// Inside transformed clip region
Rectangle inner = new Rectangle(midRect);
inner.grow(-5, -5);
corners = getCorners(inner);
tr.transform(corners, 0, trPoints, 0, corners.length);
assertColor(Color.RED, trPoints);
}
@Before
public void setup() {
image = makeImage(tileWidth, xTiles, yTiles);
graphics = image.createGraphics();
imageBounds = image.getBounds();
// Set up a rectangle in the middle of the image to
// be used by tests
midRect =
new Rectangle(
imageBounds.x + imageBounds.width / 4,
imageBounds.y + imageBounds.height / 4,
imageBounds.width / 2,
imageBounds.height / 2);
}
@Ignore("original test - refactor if we keep it and allow for platform differences")
@Test
public void test() throws Exception {
DiskMemImage dmi = makeImage(tileWidth, xTiles, yTiles);
BufferedImage bi = new BufferedImage(tileWidth, tileHeight, BufferedImage.TYPE_INT_ARGB);
draw(dmi.createGraphics());
draw(bi.createGraphics());
if (!HEADLESS && SAVE_IMAGE) {
String dmiPath = File.createTempFile("diskmem", "tif").getPath();
JAI.create("filestore", dmi, dmiPath, "TIFF", null);
String bmPath = File.createTempFile("buffered", "tif").getPath();
JAI.create("filestore", bi, bmPath, "TIFF", null);
System.out.println("Saved test image files to:");
System.out.println(dmiPath);
System.out.println(bmPath);
}
if (!HEADLESS && SHOW_IMAGE) {
CountDownLatch latch = new CountDownLatch(1);
WaitingImageFrame.showImage(dmi, "Close window to continue test", latch);
latch.await();
}
/*
// Test for matching pixels between image tiles and reference tile
Raster refTile = bi.getData();
Raster tile = dmi.getTile(0, 0);
assertEquals(tile.getWidth(), refTile.getWidth());
assertEquals(tile.getHeight(), refTile.getHeight());
assertEquals(tile.getNumBands(), refTile.getNumBands());
for (int y = 0; y < tileHeight; y++) {
for (int x = 0; x < tileWidth; x++) {
for (int band = 0; band < dmi.getNumBands(); band++) {
assertEquals(refTile.getSample(x, y, band),
tile.getSample(x + tile.getMinX(), y + tile.getMinY(), band));
}
}
}
*/
}
private void assertColor(Color c, Point2D... points) {
BufferedImage bufImg = image.getAsBufferedImage();
int expectedRGB = c.getRGB();
for (Point2D p : points) {
int x = (int) p.getX();
int y = (int) p.getY();
assertEquals(String.format("x=%d y=%d", x, y), expectedRGB, bufImg.getRGB(x, y));
}
}