Use Elegant fonts for Webkit, Compact fonts for Textview

    Fonts can be marked with elegant or compact in fallback_fonts.xml.
Webkit uses elegant fonts, Textview uses compact fonts (the default),
unmarked fonts are used by both.

    Bug: 6649136

Change-Id: I6ab6173c2efc50eba8fcc488c89dfdd083fb9c06

2 files changed, 23 insertions, 1 deletions

diff --git a/src/core/SkPaint.cpp b/src/core/SkPaint.cpp
index e1932a7..412ab2b 100644
--- a/src/core/SkPaint.cpp
+++ b/src/core/SkPaint.cpp
@@ -72,6 +72,7 @@ SkPaint::SkPaint() {
     fHinting    = SkPaintDefaults_Hinting;
 #ifdef SK_BUILD_FOR_ANDROID
     new(&fTextLocale) SkString();
+    fFontVariant = kDefault_Variant;
     fGenerationID = 0;
 #endif
 }
@@ -372,6 +373,18 @@ void SkPaint::setTextLocale(const SkString& locale) {
         GEN_ID_INC;
     }
 }
+
+void SkPaint::setFontVariant(FontVariant fontVariant) {
+    if ((unsigned)fontVariant <= kLast_Variant) {
+        GEN_ID_INC_EVAL((unsigned)fontVariant != fFontVariant);
+        fFontVariant = fontVariant;
+    } else {
+#ifdef SK_REPORT_API_RANGE_CHECK
+        SkDebugf("SkPaint::setFontVariant(%d) out of range\n", fontVariant);
+#endif
+    }
+}
+
 #endif
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -1561,6 +1574,9 @@ void SkScalerContext::MakeRec(const SkPaint& paint,
 #else
     rec->setLuminanceBits(computeLuminance(paint));
 #endif
+#ifdef SK_BUILD_FOR_ANDROID
+    rec->fFontVariant = paint.getFontVariant();
+#endif //SK_BUILD_FOR_ANDROID
 
     /*  Allow the fonthost to modify our rec before we use it as a key into the
         cache. This way if we're asking for something that they will ignore,
diff --git a/src/core/SkScalerContext.cpp b/src/core/SkScalerContext.cpp
index 2921b1e..e33ad7a 100644
--- a/src/core/SkScalerContext.cpp
+++ b/src/core/SkScalerContext.cpp
@@ -118,7 +118,13 @@ static SkScalerContext* allocNextContext(const SkScalerContext::Rec& rec) {
     // fonthost will determine the next possible font to search, based
     // on the current font in fRec. It will return NULL if ctx is our
     // last font that can be searched (i.e. ultimate fallback font)
-    uint32_t newFontID = SkFontHost::NextLogicalFont(rec.fFontID, rec.fOrigFontID);
+#ifdef SK_BUILD_FOR_ANDROID
+        // On Android, pass entire rec structure so that clients can change fallback behavior
+        uint32_t newFontID = SkFontHost::NextLogicalFont(rec);
+#else
+        uint32_t newFontID = SkFontHost::NextLogicalFont(rec.fFontID, rec.fOrigFontID);
+#endif
+
     if (0 == newFontID) {
         return NULL;
     }