Skia Merge (revision 1562)

Change-Id: Ief005abc9eb741ccf5efec3d1f29fe2dfc23103d

7 files changed, 24 insertions, 14 deletions

diff --git a/include/core/SkDrawFilter.h b/include/core/SkDrawFilter.h
index 1434391..c8af187 100644
--- a/include/core/SkDrawFilter.h
+++ b/include/core/SkDrawFilter.h
@@ -44,7 +44,7 @@ public:
      *  Called with the paint that will be used to draw the specified type.
      *  The implementation may modify the paint as they wish.
      */
-    virtual void filter(SkPaint*, Type) {}
+    virtual void filter(SkPaint*, Type) = 0;
 };
 
 #endif
diff --git a/include/core/SkFixed.h b/include/core/SkFixed.h
index c58c6de..8b56c50 100644
--- a/include/core/SkFixed.h
+++ b/include/core/SkFixed.h
@@ -111,6 +111,9 @@ inline SkFixed SkFixedFraction(SkFixed x)
 #define SkFixedAbs(x)       SkAbs32(x)
 #define SkFixedAve(a, b)    (((a) + (b)) >> 1)
 
+// The same as SkIntToFixed(SkFixedFloor(x))
+#define SkFixedFloorToFixed(x)  ((x) & ~0xFFFF)
+
 SkFixed SkFixedMul_portable(SkFixed, SkFixed);
 SkFract SkFractMul_portable(SkFract, SkFract);
 inline SkFixed SkFixedSquare_portable(SkFixed value)
diff --git a/include/core/SkFontHost.h b/include/core/SkFontHost.h
index d0f7c65..e20ea05 100644
--- a/include/core/SkFontHost.h
+++ b/include/core/SkFontHost.h
@@ -150,14 +150,22 @@ public:
     */
     static SkScalerContext* CreateScalerContext(const SkDescriptor* desc);
 
-    /** Given a "current" fontID, return the next logical fontID to use
-        when searching fonts for a given unicode value. Typically the caller
-        will query a given font, and if a unicode value is not supported, they
-        will call this, and if 0 is not returned, will search that font, and so
-        on. This process must be finite, and when the fonthost sees a
-        font with no logical successor, it must return 0.
-    */
-    static uint32_t NextLogicalFont(SkFontID fontID);
+    /**
+     *  Given a "current" fontID, return the next logical fontID to use
+     *  when searching fonts for a given unicode value. Typically the caller
+     *  will query a given font, and if a unicode value is not supported, they
+     *  will call this, and if 0 is not returned, will search that font, and so
+     *  on. This process must be finite, and when the fonthost sees a
+     *  font with no logical successor, it must return 0.
+     *
+     *  The original fontID is also provided. This is the initial font that was
+     *  stored in the typeface of the caller. It is provided as an aid to choose
+     *  the best next logical font. e.g. If the original font was bold or serif,
+     *  but the 2nd in the logical chain was plain, then a subsequent call to
+     *  get the 3rd can still inspect the original, and try to match its
+     *  stylistic attributes.
+     */
+    static SkFontID NextLogicalFont(SkFontID currFontID, SkFontID origFontID);
 
     ///////////////////////////////////////////////////////////////////////////
 
diff --git a/include/core/SkScalar.h b/include/core/SkScalar.h
index 5dbf684..ba113f4 100644
--- a/include/core/SkScalar.h
+++ b/include/core/SkScalar.h
@@ -18,6 +18,7 @@
 #define SkScalar_DEFINED
 
 #include "SkFixed.h"
+#include "SkFloatingPoint.h"
 
 /** \file SkScalar.h
 
@@ -29,7 +30,6 @@
 */
 
 #ifdef SK_SCALAR_IS_FLOAT
-    #include "SkFloatingPoint.h"
 
     /** SkScalar is our type for fractional values and coordinates. Depending on
         compile configurations, it is either represented as an IEEE float, or
diff --git a/include/core/SkScalerContext.h b/include/core/SkScalerContext.h
index 3f818a3..cbbbdf0 100644
--- a/include/core/SkScalerContext.h
+++ b/include/core/SkScalerContext.h
@@ -189,6 +189,7 @@ private:
     };
 public:
     struct Rec {
+        uint32_t    fOrigFontID;
         uint32_t    fFontID;
         SkScalar    fTextSize, fPreScaleX, fPreSkewX;
         SkScalar    fPost2x2[2][2];
diff --git a/include/effects/SkLayerDrawLooper.h b/include/effects/SkLayerDrawLooper.h
index acc4f9b..8627ae4 100644
--- a/include/effects/SkLayerDrawLooper.h
+++ b/include/effects/SkLayerDrawLooper.h
@@ -74,12 +74,12 @@ public:
     /**
      *  This layer will draw with the original paint, ad the specified offset
      */
-    SkPaint* addLayer(SkScalar dx, SkScalar dy);
+    void addLayer(SkScalar dx, SkScalar dy);
     
     /**
      *  This layer will with the original paint and no offset.
      */
-    SkPaint* addLayer() { return this->addLayer(0, 0); }
+    void addLayer() { this->addLayer(0, 0); }
     
     // overrides from SkDrawLooper
     virtual void init(SkCanvas*);
diff --git a/include/views/SkOSWindow_Unix.h b/include/views/SkOSWindow_Unix.h
index 803ca13..45b53d5 100644
--- a/include/views/SkOSWindow_Unix.h
+++ b/include/views/SkOSWindow_Unix.h
@@ -63,13 +63,11 @@ protected:
 private:
     SkUnixWindow  fUnixWindow;
     bool fGLAttached;
-    bool fRestart;
 
     // Needed for GL
     XVisualInfo* fVi;
 
     void    doPaint();
-    void    restartLoop();
     void    mapWindowAndWait();
 
     typedef SkWindow INHERITED;