Java example source code file (PolyVertTest.java)
The PolyVertTest.java Java example source code
/*
* Copyright (c) 2002, 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4678208 4771101 6328481 6588884
* @summary verify the pixelization of degenerate polylines and polygons
* @run main PolyVertTest
* @run main/othervm -Dsun.java2d.d3d=True PolyVertTest -hwonly
* @run main/othervm -Dsun.java2d.opengl=True PolyVertTest -hwonly
*/
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.awt.image.*;
public class PolyVertTest {
static int TESTWIDTH;
static int TESTHEIGHT;
static final int REG_TEST_WIDTH = 10;
static final int REG_TEST_HEIGHT = 10;
static final int FULL_TEST_WIDTH = 50;
static final int FULL_TEST_HEIGHT = 200;
static final int FRINGE = 2;
static final int GREEN = Color.green.getRGB();
static final int RED = Color.red.getRGB();
static BufferedImage refImg;
static BufferedImage errorImg;
static Graphics errorG;
static Component testCanvas;
static int totalbadpixels;
static int totalfuzzypixels;
static int numbadtests;
static int numfuzzytests;
static int numframes;
static int fuzzystarty;
static boolean counting;
static boolean showerrors;
static boolean showresults;
static boolean fringe;
static boolean forceerror;
static boolean fulltest = true;
static boolean hwonly;
static WindowListener windowCloser = new WindowAdapter() {
public void windowClosing(WindowEvent e) {
e.getWindow().hide();
if (--numframes <= 0) {
System.exit(0);
}
}
};
public PolyVertTest() {
/*
setBackground(Color.white);
setForeground(Color.black);
*/
}
static int polypts[][][] = {
{
// void polygon (no points)
{}, {},
},
{
// one point
{ 0 }, { 0 },
},
{
// two points
{ 0, 5 }, { 0, 0 },
{ 0, 0, 6, 1,
10, 0, 6, 1,
20, 0, 6, 1 },
{ 0, 0, 6, 1,
10, 0, 1, 1, 15, 0, 1, 1,
20, 0, 1, 1, 25, 0, 1, 1 },
{ 10, 0, 1, 1,
20, 0, 1, 1 },
},
{
// open triangle
{ 0, 5, 5 }, { 0, 0, 5 },
{ 0, 0, 6, 1, 5, 1, 1, 5,
10, 0, 6, 1, 15, 1, 1, 5, 11, 1, 1, 1,
12, 2, 1, 1, 13, 3, 1, 1, 14, 4, 1, 1,
20, 0, 6, 1, 25, 1, 1, 5, 21, 1, 1, 1,
22, 2, 1, 1, 23, 3, 1, 1, 24, 4, 1, 1 },
{ 0, 0, 6, 1, 5, 1, 1, 5,
10, 0, 6, 1, 15, 1, 1, 5, 11, 1, 1, 1,
12, 2, 1, 1, 13, 3, 1, 1, 14, 4, 1, 1,
20, 0, 6, 1, 25, 1, 1, 5, 21, 1, 1, 1,
22, 2, 1, 1, 23, 3, 1, 1, 24, 4, 1, 1 },
{ 10, 0, 1, 1,
20, 0, 1, 1 },
},
{
// closed triangle
{ 0, 5, 5, 0 }, { 0, 0, 5, 0 },
{ 0, 0, 6, 1, 5, 1, 1, 5, 1, 1, 1, 1,
2, 2, 1, 1, 3, 3, 1, 1, 4, 4, 1, 1,
10, 0, 6, 1, 15, 1, 1, 5, 11, 1, 1, 1,
12, 2, 1, 1, 13, 3, 1, 1, 14, 4, 1, 1,
20, 0, 6, 1, 25, 1, 1, 5, 21, 1, 1, 1,
22, 2, 1, 1, 23, 3, 1, 1, 24, 4, 1, 1 },
{ 1, 0, 5, 1, 5, 1, 1, 5, 1, 1, 1, 1,
2, 2, 1, 1, 3, 3, 1, 1, 4, 4, 1, 1,
10, 0, 6, 1, 15, 1, 1, 5, 11, 1, 1, 1,
12, 2, 1, 1, 13, 3, 1, 1, 14, 4, 1, 1,
20, 0, 6, 1, 25, 1, 1, 5, 21, 1, 1, 1,
22, 2, 1, 1, 23, 3, 1, 1, 24, 4, 1, 1 },
{ 0, 0, 1, 1,
10, 0, 1, 1,
20, 0, 1, 1 },
},
{
// empty line
{ 0, 0 }, { 0, 0 },
{ 0, 0, 1, 1,
10, 0, 1, 1,
20, 0, 1, 1 },
},
{
// empty triangle
{ 0, 0, 0 }, { 0, 0, 0 },
{ 0, 0, 1, 1,
10, 0, 1, 1,
20, 0, 1, 1 },
},
};
public static void render(Graphics2D g2d) {
g2d.setColor(Color.white);
g2d.fillRect(0, 0, TESTWIDTH, TESTHEIGHT);
g2d.setColor(Color.black);
if (forceerror) {
g2d.fillRect(2, 2, 2, 2);
g2d.fillRect(15, 5, 1, 1);
}
if (!fulltest) {
g2d.draw(new Rectangle2D.Double(5, 5, 0, 0));
return;
}
g2d.drawLine(10, 10, 10, 10);
g2d.draw(new Line2D.Double(20, 10, 20, 10));
g2d.drawRect(10, 20, 0, 0);
g2d.draw(new Rectangle2D.Double(20, 20, 0, 0));
g2d.setXORMode(Color.white);
g2d.drawLine(10, 30, 10, 30);
g2d.draw(new Line2D.Double(20, 30, 20, 30));
g2d.drawRect(10, 40, 0, 0);
g2d.draw(new Rectangle2D.Double(20, 40, 0, 0));
g2d.setPaintMode();
int y = 50;
for (int i = 0; i < polypts.length; i++) {
int data[][] = polypts[i];
int xpoints[] = data[0];
int ypoints[] = data[1];
int npoints = xpoints.length;
g2d.translate(10, y);
g2d.drawPolyline(xpoints, ypoints, npoints);
g2d.translate(10, 0);
g2d.drawPolygon(xpoints, ypoints, npoints);
g2d.translate(10, 0);
g2d.draw(new Polygon(xpoints, ypoints, npoints));
g2d.translate(-30, -y);
y += 10;
}
g2d.setXORMode(Color.white);
for (int i = 0; i < polypts.length; i++) {
int data[][] = polypts[i];
int xpoints[] = data[0];
int ypoints[] = data[1];
int npoints = xpoints.length;
g2d.translate(10, y);
g2d.drawPolyline(xpoints, ypoints, npoints);
g2d.translate(10, 0);
g2d.drawPolygon(xpoints, ypoints, npoints);
g2d.translate(10, 0);
g2d.draw(new Polygon(xpoints, ypoints, npoints));
g2d.translate(-30, -y);
y += 10;
}
g2d.setPaintMode();
}
public Dimension getPreferredSize() {
return new Dimension(500, 500);
}
public static void usage(int exitcode) {
System.err.println("usage: java PolyVertTest [<option>]*");
System.err.println(" -usage "+
"print this usage summary");
System.err.println(" -count "+
"run all tests and accumulate error counts");
System.err.println(" -forceerror "+
"force at least one error in each test");
System.err.println(" -fringe "+
"draw a yellow fringe around problems");
System.err.println(" -showerrors "+
"display results window for tests with problems");
System.err.println(" -showresults "+
"display results window for all tests");
System.err.println(" -quicktest "+
"only run test cases reported in bug reports");
System.err.println(" -fulltest "+
"run full suite of test cases for a 'unit test'");
System.err.println(" -hwonly "+
"only run tests for screen and VolatileImage");
System.exit(exitcode);
}
public static void main(String argv[]) {
for (int i = 0; i < argv.length; i++) {
String arg = argv[i];
if (arg.equalsIgnoreCase("-count")) {
counting = true;
} else if (arg.equalsIgnoreCase("-forceerror")) {
forceerror = true;
} else if (arg.equalsIgnoreCase("-fringe")) {
fringe = true;
} else if (arg.equalsIgnoreCase("-showerrors")) {
showerrors = true;
} else if (arg.equalsIgnoreCase("-showresults")) {
showresults = true;
} else if (arg.equalsIgnoreCase("-quicktest")) {
fulltest = false;
} else if (arg.equalsIgnoreCase("-fulltest")) {
fulltest = true;
} else if (arg.equalsIgnoreCase("-hwonly")) {
hwonly = true;
} else if (arg.equalsIgnoreCase("-usage")) {
usage(0);
} else {
System.err.println("unknown option: "+arg);
usage(1);
}
}
if (fulltest) {
TESTWIDTH = FULL_TEST_WIDTH;
TESTHEIGHT = FULL_TEST_HEIGHT;
} else {
TESTWIDTH = REG_TEST_WIDTH;
TESTHEIGHT = REG_TEST_HEIGHT;
}
// Prevents premature exit by the WindowAdapter if the user
// closes the last visible results window before we've
// finished our tests.
numframes++;
makeReferenceImage();
testScreen();
testVolatileImage();
if (!hwonly) {
testBufferedImage();
testOffscreen();
testCompatibleImages();
}
if (totalfuzzypixels > 0) {
System.err.println(totalfuzzypixels+" fuzzy pixels found in "+
numfuzzytests+" tests");
}
if (totalbadpixels > 0) {
throw new RuntimeException(totalbadpixels+" bad pixels found in "+
numbadtests+" tests");
}
System.out.println("Test done - no bad pixels found");
--numframes;
if (counting || ((showresults || showerrors) && numframes == 0)) {
System.exit(0);
}
}
public static void makeReferenceImage() {
refImg = new BufferedImage(TESTWIDTH, TESTHEIGHT,
BufferedImage.TYPE_INT_RGB);
Graphics g = refImg.getGraphics();
g.setColor(Color.white);
g.fillRect(0, 0, TESTWIDTH, TESTHEIGHT);
g.setColor(Color.black);
if (!fulltest) {
g.fillRect(5, 5, 1, 1);
g.dispose();
return;
}
for (int y = 10; y < 50; y += 10) {
g.fillRect(10, y, 1, 1);
g.fillRect(20, y, 1, 1);
}
int y = 50;
for (int i = 0; i < polypts.length; i++) {
int data[][] = polypts[i];
g.translate(10, y);
if (data.length > 2) {
int rectvals[] = data[2];
for (int j = 0; j < rectvals.length; j += 4) {
g.fillRect(rectvals[j+0], rectvals[j+1],
rectvals[j+2], rectvals[j+3]);
}
}
g.translate(-10, -y);
y += 10;
}
fuzzystarty = y;
for (int i = 0; i < polypts.length; i++) {
int data[][] = polypts[i];
g.translate(10, y);
if (data.length > 2) {
int rectvals[] = data.length > 3 ? data[3] : data[2];
for (int j = 0; j < rectvals.length; j += 4) {
g.fillRect(rectvals[j+0], rectvals[j+1],
rectvals[j+2], rectvals[j+3]);
}
}
g.translate(-10, -y);
y += 10;
}
g.dispose();
}
public static void initerrorbuf() {
if (errorImg == null) {
droperrorbuf();
errorImg = new BufferedImage(TESTWIDTH, TESTHEIGHT,
BufferedImage.TYPE_INT_RGB);
}
if (errorG == null) {
errorG = errorImg.getGraphics();
}
errorG.setColor(Color.green);
errorG.fillRect(0, 0, TESTWIDTH, TESTHEIGHT);
errorG.setColor(Color.red);
}
public static void droperrorbuf() {
errorImg = null;
if (errorG != null) {
errorG.dispose();
}
errorG = null;
}
public static void test(Image img, String name) {
Graphics2D g2d = (Graphics2D) img.getGraphics();
render(g2d);
g2d.dispose();
verify(img, name);
}
public static void test(BufferedImage bimg, String name) {
Graphics2D g2d = bimg.createGraphics();
render(g2d);
g2d.dispose();
verify(bimg, name);
}
public static void verify(Image img, String name) {
BufferedImage bimg;
if (img instanceof BufferedImage) {
bimg = (BufferedImage) img;
} else {
bimg = new BufferedImage(TESTWIDTH, TESTHEIGHT,
BufferedImage.TYPE_INT_RGB);
Graphics g = bimg.getGraphics();
g.drawImage(img, 0, 0, null);
g.dispose();
}
verify(bimg, name);
}
public static boolean isFuzzyPixel(int X, int Y) {
int ytrans = fuzzystarty;
if (!fulltest || Y < ytrans) {
return false;
}
for (int i = 0; i < polypts.length; i++) {
int data[][] = polypts[i];
if (data.length > 4) {
int rectvals[] = data[4];
for (int j = 0; j < rectvals.length; j += 4) {
int rectx = rectvals[j+0] + 10;
int recty = rectvals[j+1] + ytrans;
int rectw = rectvals[j+2];
int recth = rectvals[j+3];
if (X >= rectx && Y >= recty &&
X < rectx + rectw && Y < recty + recth)
{
return true;
}
}
}
ytrans += 10;
}
return false;
}
public static void verify(BufferedImage bimg, String name) {
int numbadpixels = 0;
int numfuzzypixels = 0;
for (int y = 0; y < TESTHEIGHT; y++) {
for (int x = 0; x < TESTWIDTH; x++) {
if (refImg.getRGB(x, y) != bimg.getRGB(x, y)) {
boolean isfuzzy = isFuzzyPixel(x, y);
if (showerrors || showresults) {
if (errorG == null) {
initerrorbuf();
}
errorG.setColor(isfuzzy ? Color.blue : Color.red);
errorG.fillRect(x, y, 1, 1);
} else if (!counting && !isfuzzy) {
throw new RuntimeException("Error at "+x+", "+y+
" while testing: "+name);
}
if (isfuzzy) {
numfuzzypixels++;
} else {
numbadpixels++;
}
}
}
}
if (numbadpixels > 0 || numfuzzypixels > 0) {
if (numbadpixels > 0) {
totalbadpixels += numbadpixels;
numbadtests++;
}
if (numfuzzypixels > 0) {
totalfuzzypixels += numfuzzypixels;
numfuzzytests++;
}
System.out.println(numbadpixels+" bad pixels and "+
numfuzzypixels+" questionable pixels "+
"found while testing "+name);
if (showerrors || showresults) {
displaydiffs(bimg, name);
}
} else if (showresults) {
if (errorG == null) {
initerrorbuf();
}
displaydiffs(bimg, name);
}
}
public static void displaydiffs(BufferedImage bimg, String name) {
if (fringe) {
errorG.setColor(Color.yellow);
for (int y = 0; y < TESTHEIGHT; y++) {
for (int x = 0; x < TESTWIDTH; x++) {
if (errorImg.getRGB(x, y) == RED) {
for (int iy = y-FRINGE; iy <= y+FRINGE; iy++) {
for (int ix = x-FRINGE; ix <= x+FRINGE; ix++) {
if (ix >= 0 && ix < TESTWIDTH &&
iy >= 0 && iy < TESTHEIGHT &&
errorImg.getRGB(ix, iy) == GREEN)
{
errorG.fillRect(ix, iy, 1, 1);
}
}
}
}
}
}
}
Frame f = new Frame("Results for "+name);
f.setLayout(new BorderLayout());
f.addWindowListener(windowCloser);
++numframes;
Panel p = new Panel();
p.add(new ImageCanvas(bimg));
p.add(new ImageCanvas(errorImg));
p.add(new ImageCanvas(refImg));
f.add(p, "Center");
droperrorbuf();
f.pack();
f.show();
}
public static void testBufferedImage() {
testBufferedImage(BufferedImage.TYPE_INT_RGB, "IntXrgb");
testBufferedImage(BufferedImage.TYPE_INT_ARGB, "IntArgb");
testBufferedImage(BufferedImage.TYPE_3BYTE_BGR, "ThreeByte");
testBufferedImage(BufferedImage.TYPE_4BYTE_ABGR, "FourByte");
testBufferedImage(BufferedImage.TYPE_USHORT_555_RGB, "UShort555");
testBufferedImage(BufferedImage.TYPE_BYTE_GRAY, "ByteGray");
testBufferedImage(BufferedImage.TYPE_BYTE_INDEXED, "Indexed");
}
public static void testBufferedImage(int type, String name) {
BufferedImage bimg = new BufferedImage(TESTWIDTH, TESTHEIGHT, type);
test(bimg, name);
}
public static void testScreen() {
Frame f = new Frame("PolyVertTest");
TestCanvas child = new TestCanvas();
testCanvas = child;
f.add(child);
f.pack();
f.show();
BufferedImage bimg = child.getImage();
f.hide();
verify(bimg, "Screen");
}
public static void testOffscreen() {
Image img = testCanvas.createImage(TESTWIDTH, TESTHEIGHT);
test(img, "Offscreen");
}
public static void testCompatibleImages() {
GraphicsEnvironment genv =
GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gdevs[] = genv.getScreenDevices();
for (int i = 0; i < gdevs.length; i++) {
testCompatibleImages(gdevs[i]);
}
}
public static void testCompatibleImages(GraphicsDevice gdev) {
GraphicsConfiguration gconfigs[] = gdev.getConfigurations();
for (int i = 0; i < gconfigs.length; i++) {
testCompatibleImages(gconfigs[i]);
}
}
public static void testCompatibleImages(GraphicsConfiguration gconfig) {
test(gconfig.createCompatibleImage(TESTWIDTH, TESTHEIGHT),
gconfig+".createCompat()");
test(gconfig.createCompatibleImage(TESTWIDTH, TESTHEIGHT,
Transparency.OPAQUE),
gconfig+".createCompat(OPAQUE)");
test(gconfig.createCompatibleImage(TESTWIDTH, TESTHEIGHT,
Transparency.BITMASK),
gconfig+".createCompat(BITMASK)");
test(gconfig.createCompatibleImage(TESTWIDTH, TESTHEIGHT,
Transparency.TRANSLUCENT),
gconfig+".createCompat(TRANSLUCENT)");
test(gconfig.createCompatibleVolatileImage(TESTWIDTH, TESTHEIGHT),
gconfig+".createCompatVolatile()");
}
public static void testVolatileImage() {
Image img = testCanvas.createVolatileImage(TESTWIDTH, TESTHEIGHT);
test(img, "Volatile");
}
public static class ImageCanvas extends Canvas {
BufferedImage bimg;
public ImageCanvas(BufferedImage bimg) {
this.bimg = bimg;
}
public Dimension getPreferredSize() {
return new Dimension(bimg.getWidth(), bimg.getHeight());
}
public void paint(Graphics g) {
g.drawImage(bimg, 0, 0, null);
}
}
public static class TestCanvas extends Canvas {
BufferedImage bimg;
public Dimension getPreferredSize() {
return new Dimension(TESTWIDTH, TESTHEIGHT);
}
public void paint(Graphics g) {
if (bimg != null ||
getWidth() < TESTWIDTH ||
getHeight() < TESTHEIGHT)
{
return;
}
render((Graphics2D) g);
Toolkit.getDefaultToolkit().sync();
Point p = getLocationOnScreen();
Rectangle r = new Rectangle(p.x, p.y, TESTWIDTH, TESTHEIGHT);
try {
bimg = new Robot().createScreenCapture(r);
} catch (AWTException e) {
e.printStackTrace();
}
synchronized (this) {
notifyAll();
}
}
public synchronized BufferedImage getImage() {
while (bimg == null) {
try {
wait();
} catch (InterruptedException e) {
return null;
}
}
return bimg;
}
}
}
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