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package quality.text;
import org.junit.Test;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.awt.image.Raster;
import java.io.File;
import static org.junit.Assert.*;
public class DroidFontTest {
/* Tests for the following font names and styles:
"droid sans" : PLAIN, BOLD
"droid sans bold" : alias for "droid sans"
"droid sans mono" : PLAIN
"droid sans mono slashed" : PLAIN
"droid sans mono dotted" : PLAIN
"droid serif" : PLAIN, BOLD, ITALIC, BOLD | ITALIC
"droid serif bold" : alias for "droid serif" BOLD, BOLD | ITALIC
*/
private static final String abc =
"the quick brown fox jumps over the lazy dog";
private static final String digits = "0123456789";
@SuppressWarnings("SameParameterValue")
private void doTestFont(String aliasName, String name, int style, int size)
throws Exception {
String[] testDataVariant = {
"osx_hardware_rendering", "osx_software_rendering", "osx_sierra_rendering",
"linux_rendering"};
String testDataStr = System.getProperty("testdata");
assertNotNull("testdata property is not set", testDataStr);
File testData = new File(testDataStr, "quality" + File.separator +
"text");
assertTrue("Test data dir does not exist", testData.exists());
String testStr = abc.toUpperCase() + abc + digits;
BufferedImage image = new BufferedImage((size + 3)*testStr.length(),
size*3, BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = image.createGraphics();
Font f = new Font(aliasName, style, size);
g2d.setFont(f);
g2d.setColor(Color.WHITE);
Rectangle2D bnd = f.getStringBounds(testStr,
g2d.getFontRenderContext());
g2d.drawString(testStr, 0, size + 3);
BufferedImage resultImage = image.getSubimage((int) bnd.getX(),
(int) (size + 3 + bnd.getY()),
(int) bnd.getWidth(), (int) bnd.getHeight());
String gfName = name.toLowerCase().replace(" ", "") +
Integer.toString(style) + "_" + Integer.toString(size) + ".png";
if (System.getProperty("gentestdata") == null) {
boolean failed = true;
StringBuilder failureReason = new StringBuilder();
for (String variant : testDataVariant) {
File goldenFile = new File(testData, variant + File.separator +
gfName);
BufferedImage goldenImage = ImageIO.read(goldenFile);
failed = true;
if (resultImage.getWidth() != goldenImage.getWidth() ||
resultImage.getHeight() != resultImage.getHeight())
{
failureReason.append(variant).append(" : Golden image and result have different sizes\n");
continue;
}
Raster gRaster = goldenImage.getData();
Raster rRaster = resultImage.getData();
int[] gArr = new int[3];
int[] rArr = new int[3];
failed = false;
scan:
for (int i = 0; i < gRaster.getWidth(); i++) {
for (int j = 0; j < gRaster.getHeight(); j++) {
gRaster.getPixel(i, j, gArr);
rRaster.getPixel(i, j, rArr);
assertTrue(gArr.length == rArr.length);
for (int k = 0; k < gArr.length; k++) {
if (gArr[k] != rArr[k]) {
failureReason.append(variant).append(" : Different pixels found ").append("at (").append(i).append(",").append(j).append(")");
failed = true;
break scan;
}
}
}
}
if (!failed) break;
}
if (failed) throw new RuntimeException(failureReason.toString());
}
else {
ImageIO.write(resultImage, "png", new File(testData, gfName));
}
}
private void doTestFont(String name, int style)
throws Exception {
doTestFont(name, name, style, 20);
}
@Test
public void testDroidSans() throws Exception {
doTestFont("Droid Sans", Font.PLAIN);
}
@Test
public void testDroidSansBold() throws Exception {
doTestFont("Droid Sans", Font.BOLD);
doTestFont("Droid Sans Bold", "Droid Sans", Font.BOLD, 20);
}
@Test
public void testDroidSansMono() throws Exception {
doTestFont("Droid Sans Mono", Font.PLAIN);
}
@Test
public void testDroidSansMonoSlashed() throws Exception {
doTestFont("Droid Sans Mono Slashed", Font.PLAIN);
}
@Test
public void testDroidSansMonoDotted() throws Exception {
doTestFont("Droid Sans Mono Dotted", Font.PLAIN);
}
@Test
public void testDroidSerif() throws Exception {
doTestFont("Droid Serif", Font.PLAIN);
}
@Test
public void testDroidSerifBold() throws Exception {
doTestFont("Droid Serif", Font.BOLD);
doTestFont("Droid Serif Bold", "Droid Serif",
Font.BOLD, 20);
doTestFont("Droid Serif Bold", "Droid Serif",
Font.BOLD | Font.ITALIC, 20);
}
@Test
public void testDroidSerifItalic() throws Exception {
doTestFont("Droid Serif", Font.ITALIC);
doTestFont("Droid Serif Italic", "Droid Serif",
Font.ITALIC, 20);
}
}
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