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*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
/*
@test
@bug 6686365 7017637
@summary Confirm that styling does not affect metrics of zero advance glyphs
*/
import java.awt.*;
import java.awt.image.*;
public class BoldSpace {
public static void main(String[] s) {
BufferedImage bi = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
String errMsg = "ZWJ Space char should have 0 advance\n";
Graphics g = bi.getGraphics();
// It turns out that some fonts inexplicably treat this as
// a standard character. In this 14 pt font, if we see an advance
// that's clearly bigger than we'd have introduced in bolding we'll
// not error out this test, presuming that its a consequence of
// the actual font data. A Linux font 'TLwg Type Bold' is the case
// in point.
int errorMargin = 4;
g.setFont(new Font("monospaced", Font.BOLD, 14));
//g.setFont(new Font("Lucida Sans Regular", Font.BOLD, 14));
FontMetrics fm = g.getFontMetrics();
System.out.println("Bold: " + fm.charWidth('\u200b'));
int cwid = fm.charWidth('\u200b');
if (cwid > 0 && cwid < errorMargin) {
throw new RuntimeException(errMsg);
}
((Graphics2D)g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
fm = g.getFontMetrics();
System.out.println("Bold + LCD: "+fm.charWidth('\u200b'));
cwid = fm.charWidth('\u200b');
if (cwid > 0 && cwid < errorMargin) {
throw new RuntimeException(errMsg);
}
((Graphics2D)g).setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
RenderingHints.VALUE_FRACTIONALMETRICS_ON);
((Graphics2D)g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
fm = g.getFontMetrics();
System.out.println("Bold FM OFF + AA: " + fm.charWidth('\u200b'));
cwid = fm.charWidth('\u200b');
if (cwid > 0 && cwid < errorMargin) {
throw new RuntimeException(errMsg);
}
((Graphics2D)g).setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
RenderingHints.VALUE_FRACTIONALMETRICS_OFF);
((Graphics2D)g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
fm = g.getFontMetrics();
System.out.println("Bold FM ON + AA: " + fm.charWidth('\u200b'));
cwid = fm.charWidth('\u200b');
if (cwid > 0 && cwid < errorMargin) {
throw new RuntimeException(errMsg);
}
((Graphics2D)g).setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
RenderingHints.VALUE_FRACTIONALMETRICS_ON);
((Graphics2D)g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
fm = g.getFontMetrics();
System.out.println("Bold FM ON + nonAA: " + fm.charWidth('\u200b'));
cwid = fm.charWidth('\u200b');
if (cwid > 0 && cwid < errorMargin) {
throw new RuntimeException(errMsg);
}
System.out.println("All printed values should be 0 to PASS");
}
}