allow disabling/enabling of compositeFontDrawer programmatically

openpdf/src/main/java/com/lowagie/text/pdf/PdfGraphics2D.java

@@ -193,8 +193,8 @@ public class PdfGraphics2D extends Graphics2D {
 
     private final CompositeFontDrawer compositeFontDrawer = new CompositeFontDrawer();
 
-    // make use of compositeFontDrawer configurable ... note: must be explicitly set to false otherwise always true (backwards compatibility).
-    private final boolean isCompositeFontDrawerEnabled = SystemPropertyUtil.getBoolean("com.github.librepdf.openpdf.compositeFontDrawerEnabled", true);
+    // make use of compositeFontDrawer configurable ... may be set via property or directly via setter
+    private boolean isCompositeFontDrawerEnabled = SystemPropertyUtil.getBoolean("com.github.librepdf.openpdf.compositeFontDrawerEnabled", true);
 
     private PdfGraphics2D() {
         dg2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
@@ -1377,8 +1377,15 @@ private void internalDispose(ByteBuffer buf) {
     //        implementation specific methods
     //
     //
-
-
+
+    /**
+     * Enables/Disables the composite font drawer due to issues with custom font mappers that do not always default to one specific font but allow custom fonts.
+     * @param compositeFontDrawerEnabled true if the composite font drawer should be used else false.
+     */
+    public void setCompositeFontDrawerEnabled(boolean compositeFontDrawerEnabled) {
+        isCompositeFontDrawerEnabled = compositeFontDrawerEnabled;
+    }
+
     private void followPath(Shape s, int drawType) {
         if (s==null) return;
         if (drawType==STROKE) {