Changeset 14328 in josm for trunk/src/com/kitfox/svg/util/FontSystem.java

Timestamp:

2018-10-14T15:15:50+02:00 (6 years ago)

Author:

Don-vip

Message:

see #14319, see #16838 - update to svgSalamander 1.1.2

File:

• trunk/src/com/kitfox/svg/util/FontSystem.java (modified) (5 diffs)

trunk/src/com/kitfox/svg/util/FontSystem.java

@@ -42 +42 @@
 import java.awt.Canvas;
 import java.awt.FontMetrics;
+import java.awt.GraphicsEnvironment;
 import java.awt.font.FontRenderContext;
 import java.awt.font.GlyphMetrics;
 import java.awt.font.GlyphVector;
 import java.util.HashMap;
+import java.util.HashSet;
 
 /**
@@ -58 +60 @@
     HashMap<String, Glyph> glyphCache = new HashMap<String, Glyph>();
     
-    public FontSystem(String fontFamily, int fontStyle, int fontWeight, int fontSize)
+    static HashSet<String> sysFontNames = new HashSet<String>();
+
+    public static boolean checkIfSystemFontExists(String fontName)
+    {
+        if (sysFontNames.isEmpty())
+        {
+            for (String name: GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames())
+            {
+                sysFontNames.add(name);
+            }
+        }
+
+        return sysFontNames.contains(fontName);
+    }
+
+    public static FontSystem createFont(String fontFamily, int fontStyle, int fontWeight, int fontSize)
+    {
+        String[] families = fontFamily.split(",");
+        for (String fontName: families)
+        {
+            if (checkIfSystemFontExists(fontName))
+            {
+                return new FontSystem(fontName, fontStyle, fontWeight, fontSize);
+            }
+        }
+
+        return null;
+    }
+
+    private FontSystem(String fontFamily, int fontStyle, int fontWeight, int fontSize)
     {
         int style;
@@ -82 +113 @@
                 break;
         }
-        sysFont = new java.awt.Font(fontFamily, style | weight, (int) fontSize);
+
+        sysFont = new java.awt.Font(fontFamily, style | weight, fontSize);
         
         Canvas c = new Canvas();
@@ -100 +132 @@
         GlyphVector vec = sysFont.createGlyphVector(frc, unicode);
         
-        Glyph glyph = (Glyph)glyphCache.get(unicode);
+        Glyph glyph = glyphCache.get(unicode);
         if (glyph == null)
         {
@@ -107 +139 @@
 
             GlyphMetrics gm = vec.getGlyphMetrics(0);
-            glyph.setHorizAdvX((int)gm.getAdvanceX());
-            glyph.setVertAdvY((int)gm.getAdvanceY());
+            glyph.setHorizAdvX(gm.getAdvanceX());
+            glyph.setVertAdvY(gm.getAdvanceY());
             glyph.setVertOriginX(0);
             glyph.setVertOriginY(0);