Font derivation, plus ConcurrentModificationException on font load

[Phil Race]

PS ..  the ConcurrentModificationException is one we fixed for 8u40.
You should test that out with a current EA build.

-phil.

On 12/7/14 8:56 PM, Phil Race wrote:
> There's probably an RFE or bug that mentions the omission of deriveFont
> Its the most direct way to say many things such there this font
> with all these properties - some of which I may not be aware of -
> and I just want it to be bigger/smaller/bolder but otherwise the same
> So deriveFont should be added, and JDK 9 would seem a reasonable 
> target here.
> One thing to note is that 2D  (actually AWT has no part in this),
> has built-in support for doing some things that the platforms
> may not support. FX delegates to the platform and if the platform
> can't oblique a font for you it won't happen even with a deriveFont API.
> This is "vice-versa" of course, so there are likely to be things you get
> from the platform you won't from cross-platform built-in support,
> notably platform-specific rendering.
>
> -phil.
>
>
> On 12/7/14 2:54 PM, Jeff Hain wrote:
>> Hello.
>>
>>
>> Currently discovering JavaFX (using 1.8.0_25-b18),I saw that there is 
>> no way to "derive" a font, as could be done in AWT.
>> In AWT, if you load "FreeMono.ttf", you get a non-bold font by 
>> default, but using
>> font.deriveFont(font.BOLD, 1.0f) you can obtain a bold version of it.
>> In JavaFX, there is no way to obtain a bold version of 
>> "FreeMono.ttf".The best you can do is to load "FreeMonoBold.ttf" and 
>> then callFont.load("FreeMono", FontWeight.BOLD, 1.0), but the 
>> resulting lookis quite different than AWT's bold FreeMono.ttf.
>> ===> Are there plans to add font derivation in JavaFX, so that fonts 
>> of various         styles can be obtained from a same ".ttf" file, or 
>> will it stay as this?
>>
>>
>> Now code to reproduce a bug :
>> ### BEGIN
>> import javafx.scene.text.Font;
>>
>> public class JavaFXCMEOnFontReload {
>>           public static void main(String[] args) {
>>                   /*
>>           * java.runtime.version=1.8.0_25-b18
>>           */
>>                   // download: 
>> http://www.fonts2u.com/download/free-monospaced.font
>>          final String urlStr = "file:src/bugz/FreeMono.ttf";
>>                   final String initialFontFamily = "AngsanaUPC";
>>          System.out.println("font(" + initialFontFamily + ")...");
>>          Font.font(initialFontFamily);
>>                   for (int k=0;k<2;k++) {
>>              System.out.println("loadFont(" + urlStr + ")...");
>>              final Font font = Font.loadFont(urlStr, 1.0);
>>              if (font == null) {
>>                  throw new AssertionError("could not load " + urlStr);
>>              }
>>                           System.out.println("font(" + 
>> font.getFamily() + ")...");
>>              Font.font(font.getFamily());
>>          }
>>      }
>> }
>> ### END
>>
>> Output:font(AngsanaUPC)...
>> loadFont(file:src/bugz/FreeMono.ttf)...
>> font(FreeMono)...
>> loadFont(file:src/bugz/FreeMono.ttf)...
>> Exception in thread "main" java.util.ConcurrentModificationException
>>      at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
>>      at java.util.HashMap$KeyIterator.next(HashMap.java:1453)
>>      at 
>> com.sun.javafx.font.PrismFontFactory.removeEmbeddedFont(PrismFontFactory.java:1550)
>>      at 
>> com.sun.javafx.font.PrismFontFactory.loadEmbeddedFont(PrismFontFactory.java:1644)
>>      at 
>> com.sun.javafx.font.PrismFontFactory.loadEmbeddedFont(PrismFontFactory.java:1525)
>>      at 
>> com.sun.javafx.font.PrismFontLoader.loadFont(PrismFontLoader.java:99)
>>      at javafx.scene.text.Font.loadFont(Font.java:400)
>>      at bugz.JavaFXCMEOnFontReload.main(JavaFXCMEOnFontReload.java:18)
>>
>>
>>
>> -Jeff
>