Add bevel-stroke support in GrAARectRenderer

include/gpu/GrContext.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrContext_DEFINED
 #define GrContext_DEFINED
 
@@ skipping 378 matching lines @@
                GrRenderTarget* target = NULL);
 
     /**
      *  Draw everywhere (respecting the clip) with the paint.
      */
     void drawPaint(const GrPaint& paint);
 
     /**
      *  Draw the rect using a paint.
      *  @param paint        describes how to color pixels.
-     *  @param strokeWidth  If strokeWidth < 0, then the rect is filled, else
-     *                      the rect is mitered stroked based on strokeWidth. If
-     *                      strokeWidth == 0, then the stroke is always a single
-     *                      pixel thick.
+     *  @param stroke       the stroke information (width, join, cap). 
+     *                      If stroke == NULL, then the rect is filled. 
+     *                      Otherwise, if stroke width == 0, then the stroke
+     *                      is always a single pixel thick, else the rect is 
+     *                      mitered/beveled stroked based on stroke width.
      *  @param matrix       Optional matrix applied to the rect. Applied before
      *                      context's matrix or the paint's matrix.
      *  The rects coords are used to access the paint (through texture matrix)
      */
     void drawRect(const GrPaint& paint,
                   const SkRect&,
-                  SkScalar strokeWidth = -1,
+                  const SkStrokeRec* stroke = NULL,
                   const SkMatrix* matrix = NULL);
 
     /**
      * Maps a rect of local coordinates onto the a rect of destination
      * coordinates. Each rect can optionally be transformed. The localRect
      * is stretched over the dstRect. The dstRect is transformed by the
      * context's matrix. Additional optional matrices for both rects can be
      * provided by parameters.
      *
      * @param paint         describes how to color pixels.
@@ skipping 621 matching lines @@
     }
 
     GrTexture* texture() { return fTexture; }
 
 private:
     GrContext*                    fContext;
     GrTexture*                    fTexture;
 };
 
 #endif