plumb API for analytic rrect blur

src/effects/SkBlurMask.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkBlurMask.h"
@@ skipping 731 matching lines @@
 }
 
 bool SkBlurMask::BlurRect(SkMask *dst, const SkRect &src,
                           SkScalar radius, Style style,
                           SkIPoint *margin, SkMask::CreateMode createMode) {
     return SkBlurMask::BlurRect(SkBlurMask::ConvertRadiusToSigma(radius),
                                 dst, src,
                                 style, margin, createMode);
 }
 
+bool SkBlurMask::BlurRRect(SkMask *dst, const SkRRect &src,
+                          SkScalar radius, Style style,
+                          SkIPoint *margin, SkMask::CreateMode createMode) {
+
+    return SkBlurMask::BlurRRect(SkBlurMask::ConvertRadiusToSigma(radius),
+                                dst, src,
+                                style, margin, createMode);
+}
+
+
 bool SkBlurMask::BlurRect(SkScalar sigma, SkMask *dst,
                           const SkRect &src, Style style,
                           SkIPoint *margin, SkMask::CreateMode createMode) {
     int profile_size = SkScalarCeilToInt(6*sigma);
 
     int pad = profile_size/2;
     if (margin) {
         margin->set( pad, pad );
     }
 
@@ skipping 81 matching lines @@
             uint8_t *dst_scanline = dp + y*dstWidth + pad;
             memset(dst_scanline, 0xff, sw);
         }
     }
     // normal and solid styles are the same for analytic rect blurs, so don't
     // need to handle solid specially.
 
     return true;
 }
 
+bool SkBlurMask::BlurRRect(SkScalar sigma, SkMask *dst,
+                           const SkRRect &src, Style style,
+                           SkIPoint *margin, SkMask::CreateMode createMode) {
+    // Temporary for now -- always fail, should cause caller to fall back
+    // to old path.  Plumbing just to land API and parallelize effort.
+
+    return false;
+}
+
 bool SkBlurMask::BlurGroundTruth(SkMask* dst, const SkMask& src, SkScalar radius,
                                  Style style, SkIPoint* margin) {
     return BlurGroundTruth(ConvertRadiusToSigma(radius), dst, src, style, margin);
 }
 // The "simple" blur is a direct implementation of separable convolution with a discrete
 // gaussian kernel.  It's "ground truth" in a sense; too slow to be used, but very
 // useful for correctness comparisons.
 
 bool SkBlurMask::BlurGroundTruth(SkScalar sigma, SkMask* dst, const SkMask& src,
                                  Style style, SkIPoint* margin) {
@@ skipping 131 matching lines @@
         (void)autoCall.detach();
     }
 
     if (style == kInner_Style) {
         dst->fBounds = src.fBounds; // restore trimmed bounds
         dst->fRowBytes = src.fRowBytes;
     }
 
     return true;
 }