Revert of add isRect() check to AAClip, to detect if a soft-clip is really just an irect

src/core/SkAAClip.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkAAClip.h"
 #include "SkBlitter.h"
@@ skipping 666 matching lines @@
     return this->setPath(path);
 #else
     this->freeRuns();
     fBounds = bounds;
     fRunHead = RunHead::AllocRect(bounds);
     SkASSERT(!this->isEmpty());
     return true;
 #endif
 }
 
-bool SkAAClip::isRect() const {
-    if (this->isEmpty()) {
-        return false;
-    }
-
-    const RunHead* head = fRunHead;
-    if (head->fRowCount != 1) {
-        return false;
-    }
-    const YOffset* yoff = head->yoffsets();
-    if (yoff->fY != fBounds.fBottom - 1) {
-        return false;
-    }
-    SkASSERT(0 == yoff->fOffset);
-
-    const uint8_t* row = head->data();
-    int width = fBounds.width();
-    do {
-        if (row[1] != 0xFF) {
-            return false;
-        }
-        int n = row[0];
-        SkASSERT(n <= width);
-        width -= n;
-        row += 2;
-    } while (width > 0);
-    return true;
-}
-
 bool SkAAClip::setRect(const SkRect& r, bool doAA) {
     if (r.isEmpty()) {
         return this->setEmpty();
     }
 
     AUTO_AACLIP_VALIDATE(*this);
 
     // TODO: special case this
 
     SkPath path;
@@ skipping 1463 matching lines @@
             rowMask.fBounds.fBottom = y + 1;
             fBlitter->blitMask(rowMask, rowMask.fBounds);
             src = (const void*)((const char*)src + srcRB);
         } while (++y < localStopY);
     } while (y < stopY);
 }
 
 const SkBitmap* SkAAClipBlitter::justAnOpaqueColor(uint32_t* value) {
     return NULL;
 }