248 lines
8.6 KiB
Java
248 lines
8.6 KiB
Java
/*
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* Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.Color;
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import java.awt.Frame;
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import java.awt.Graphics;
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import java.awt.GraphicsConfiguration;
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import java.awt.GraphicsDevice;
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import java.awt.Image;
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import java.awt.Rectangle;
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import java.awt.image.BufferedImage;
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import java.awt.image.BaseMultiResolutionImage;
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import static java.awt.RenderingHints.KEY_RESOLUTION_VARIANT;
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import static java.awt.RenderingHints.VALUE_RESOLUTION_VARIANT_SIZE_FIT;
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import java.awt.geom.AffineTransform;
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import java.awt.image.ColorModel;
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import java.awt.image.Raster;
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import sun.java2d.StateTrackable;
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import sun.java2d.SunGraphics2D;
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import sun.java2d.SurfaceData;
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import sun.java2d.loops.SurfaceType;
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/**
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* @test
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* @bug 8073320 8198390
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* @summary Windows HiDPI support
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* @modules java.desktop/sun.java2d java.desktop/sun.java2d.loops
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* @run main MultiResolutionDrawImageWithTransformTest
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*/
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public class MultiResolutionDrawImageWithTransformTest {
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private static final int SCREEN_SIZE = 400;
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private static final int IMAGE_SIZE = SCREEN_SIZE / 4;
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private static final Color BACKGROUND_COLOR = Color.PINK;
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private static final Color[] COLORS = {
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Color.CYAN, Color.GREEN, Color.BLUE, Color.ORANGE
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};
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public static void main(String[] args) throws Exception {
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int length = COLORS.length;
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BufferedImage[] resolutionVariants = new BufferedImage[length];
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for (int i = 0; i < length; i++) {
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resolutionVariants[i] = createRVImage(getSize(i), COLORS[i]);
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}
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BaseMultiResolutionImage mrImage = new BaseMultiResolutionImage(
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resolutionVariants);
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// scale 1, transform 1, resolution variant 1
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Color color = getImageColor(mrImage, 1, 1);
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if (!getColorForScale(1).equals(color)) {
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throw new RuntimeException("Wrong resolution variant!");
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}
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// scale 1, transform 2, resolution variant 2
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color = getImageColor(mrImage, 1, 2);
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if (!getColorForScale(2).equals(color)) {
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throw new RuntimeException("Wrong resolution variant!");
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}
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// scale 2, transform 1, resolution variant 2
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color = getImageColor(mrImage, 2, 1);
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if (!getColorForScale(2).equals(color)) {
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throw new RuntimeException("Wrong resolution variant!");
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}
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// scale 2, transform 2, resolution variant 4
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color = getImageColor(mrImage, 2, 2);
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if (!getColorForScale(4).equals(color)) {
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throw new RuntimeException("Wrong resolution variant!");
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}
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}
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private static Color getColorForScale(int scale) {
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return COLORS[scale - 1];
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}
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private static Color getImageColor(Image image, double configScale,
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double transformScale) {
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TestSurfaceData surface = new TestSurfaceData(SCREEN_SIZE, SCREEN_SIZE,
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configScale);
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SunGraphics2D g2d = new SunGraphics2D(surface,
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Color.BLACK, Color.BLACK, null);
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g2d.setRenderingHint(KEY_RESOLUTION_VARIANT,
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VALUE_RESOLUTION_VARIANT_SIZE_FIT);
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AffineTransform tx = AffineTransform.getScaleInstance(transformScale,
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transformScale);
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g2d.drawImage(image, tx, null);
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g2d.dispose();
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int backgroundX = (int) (1.5 * image.getWidth(null) * transformScale);
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int backgroundY = (int) (1.5 * image.getHeight(null) * transformScale);
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Color backgroundColor = surface.getColor(backgroundX, backgroundY);
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//surface.show(String.format("Config: %f, transform: %f", configScale, transformScale));
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if (!BACKGROUND_COLOR.equals(backgroundColor)) {
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throw new RuntimeException("Wrong background color!");
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}
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return surface.getColor(IMAGE_SIZE / 4, IMAGE_SIZE / 4);
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}
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private static int getSize(int i) {
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return (i + 1) * IMAGE_SIZE;
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}
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private static BufferedImage createRVImage(int size, Color color) {
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BufferedImage image = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);
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Graphics g = image.createGraphics();
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g.setColor(color);
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g.fillRect(0, 0, size, size);
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g.dispose();
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return image;
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}
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static class TestGraphicsConfig extends GraphicsConfiguration {
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private final double scale;
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TestGraphicsConfig(double scale) {
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this.scale = scale;
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}
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@Override
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public GraphicsDevice getDevice() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public ColorModel getColorModel() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public ColorModel getColorModel(int transparency) {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public AffineTransform getDefaultTransform() {
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return AffineTransform.getScaleInstance(scale, scale);
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}
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@Override
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public AffineTransform getNormalizingTransform() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public Rectangle getBounds() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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}
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static class TestSurfaceData extends SurfaceData {
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private final int width;
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private final int height;
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private final GraphicsConfiguration gc;
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private final BufferedImage buffImage;
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private final double scale;
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public TestSurfaceData(int width, int height, double scale) {
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super(StateTrackable.State.DYNAMIC, SurfaceType.Custom, ColorModel.getRGBdefault());
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this.scale = scale;
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gc = new TestGraphicsConfig(scale);
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this.width = (int) Math.ceil(scale * width);
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this.height = (int) Math.ceil(scale * height);
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buffImage = new BufferedImage(this.width, this.height,
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BufferedImage.TYPE_INT_RGB);
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Graphics imageGraphics = buffImage.createGraphics();
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imageGraphics.setColor(BACKGROUND_COLOR);
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imageGraphics.fillRect(0, 0, this.width, this.height);
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imageGraphics.dispose();
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}
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Color getColor(int x, int y) {
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int sx = (int) Math.ceil(x * scale);
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int sy = (int) Math.ceil(y * scale);
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return new Color(buffImage.getRGB(sx, sy));
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}
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@Override
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public SurfaceData getReplacement() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public GraphicsConfiguration getDeviceConfiguration() {
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return gc;
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}
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@Override
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public Raster getRaster(int x, int y, int w, int h) {
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return buffImage.getRaster();
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}
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@Override
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public Rectangle getBounds() {
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return new Rectangle(0, 0, width, height);
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}
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@Override
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public Object getDestination() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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private void show(String title) {
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Frame frame = new Frame() {
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@Override
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public void paint(Graphics g) {
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super.paint(g);
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g.drawImage(buffImage, 0, 0, this);
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g.setColor(Color.GRAY);
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g.drawRect(0, 0, width, height);
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g.drawRect(0, height / 2, width, height / 2);
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g.drawRect(width / 2, 0, width / 2, height);
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}
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};
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frame.setTitle(title);
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frame.setSize(width, height);
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frame.setVisible(true);
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}
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}
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}
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