import java.awt.*;

import java.awt.image.*;

public class SystemBgColorTest {

public static final int TESTW = 10;

public static final int TESTH = 10;

static SystemColor systemColorObjects [] = {

SystemColor.desktop,

SystemColor.activeCaption,

SystemColor.activeCaptionText,

SystemColor.activeCaptionBorder,

SystemColor.inactiveCaption,

SystemColor.inactiveCaptionText,

SystemColor.inactiveCaptionBorder,

SystemColor.window,

SystemColor.windowBorder,

SystemColor.windowText,

SystemColor.menu,

SystemColor.menuText,

SystemColor.text,

SystemColor.textText,

SystemColor.textHighlight,

SystemColor.textHighlightText,

SystemColor.textInactiveText,

SystemColor.control,

SystemColor.controlText,

SystemColor.controlHighlight,

SystemColor.controlLtHighlight,

SystemColor.controlShadow,

SystemColor.controlDkShadow,

SystemColor.scrollbar,

SystemColor.info,

SystemColor.infoText

};

static boolean counterrors;

static int errcount;

public static void error(String problem) {

if (counterrors) {

errcount++;

} else {

throw new RuntimeException(problem);

}

}

public static void main(String argv[]) {

counterrors = (argv.length > 0);

test(BufferedImage.TYPE_INT_ARGB);

test(BufferedImage.TYPE_INT_RGB);

if (errcount > 0) {

throw new RuntimeException(errcount+" errors");

}

}

static int cmap[] = {

0x00000000,

0xffffffff,

};

public static void test(int dsttype) {

BufferedImage src =

new BufferedImage(TESTW, TESTH, BufferedImage.TYPE_INT_ARGB);

test(src, dsttype);

IndexColorModel icm = new IndexColorModel(8, 2, cmap, 0, true, 0,

DataBuffer.TYPE_BYTE);

src = new BufferedImage(TESTW, TESTH,

BufferedImage.TYPE_BYTE_INDEXED, icm);

test(src, dsttype);

}

public static void test(Image src, int dsttype) {

BufferedImage dst =

new BufferedImage(TESTW, TESTH, dsttype);

for (int i = 0; i < systemColorObjects.length; i++) {

test(src, dst, systemColorObjects[i]);

}

}

public static void test(Image src, BufferedImage dst, Color bg) {

Graphics g = dst.getGraphics();

g.setColor(Color.white);

g.fillRect(0, 0, TESTW, TESTH);

g.drawImage(src, 0, 0, bg, null);

if (dst.getRGB(0, 0) != bg.getRGB()) {

error("bad bg pixel for: "+bg);

}

}

}