--- a/src/java.desktop/share/native/libfontmanager/freetypeScaler.c Fri Jun 15 23:59:56 2018 +0530
+++ b/src/java.desktop/share/native/libfontmanager/freetypeScaler.c Fri Jun 15 13:05:34 2018 -0700
@@ -364,6 +364,19 @@
context->doBold = (boldness != 1.0);
context->doItalize = (italic != 0);
+ /* freetype is very keen to use embedded bitmaps, even if it knows
+ * there is a rotation or you asked for antialiasing.
+ * In the rendering path we will check useSBits and disable
+ * bitmaps unless it is set. And here we set it only if none
+ * of the conditions invalidate using it.
+ * Note that we allow embedded bitmaps for the LCD case.
+ */
+ if ((aa != TEXT_AA_ON) && (fm != TEXT_FM_ON) &&
+ !context->doBold && !context->doItalize &&
+ (context->transform.yx == 0) && (context->transform.xy == 0))
+ {
+ context->useSbits = 1;
+ }
return ptr_to_jlong(context);
}
@@ -685,9 +698,8 @@
return ptr_to_jlong(getNullGlyphImage());
}
- /* if algorithmic styling is required then we do not request bitmap */
- if (context->doBold || context->doItalize) {
- renderFlags = FT_LOAD_DEFAULT;
+ if (!context->useSbits) {
+ renderFlags |= FT_LOAD_NO_BITMAP;
}
/* NB: in case of non identity transform