Move SkDrawLooper implementation to its own file.

src/core/SkPaint.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 "SkPaint.h"
 #include "SkAnnotation.h"
@@ skipping 2534 matching lines @@
             case SkXfermode::kPlus_Mode:
                 return 0 == this->getAlpha();
             case SkXfermode::kDst_Mode:
                 return true;
             default:
                 break;
         }
     }
     return false;
 }
-
-
-//////////// Move these to their own file soon.
-
-SK_DEFINE_INST_COUNT(SkDrawLooper)
-
-bool SkDrawLooper::canComputeFastBounds(const SkPaint& paint) {
-    SkCanvas canvas;
-
-    this->init(&canvas);
-    for (;;) {
-        SkPaint p(paint);
-        if (this->next(&canvas, &p)) {
-            p.setLooper(NULL);
-            if (!p.canComputeFastBounds()) {
-                return false;
-            }
-        } else {
-            break;
-        }
-    }
-    return true;
-}
-
-void SkDrawLooper::computeFastBounds(const SkPaint& paint, const SkRect& src,
-                                     SkRect* dst) {
-    SkCanvas canvas;
-
-    this->init(&canvas);
-    for (bool firstTime = true;; firstTime = false) {
-        SkPaint p(paint);
-        if (this->next(&canvas, &p)) {
-            SkRect r(src);
-
-            p.setLooper(NULL);
-            p.computeFastBounds(r, &r);
-            canvas.getTotalMatrix().mapRect(&r);
-
-            if (firstTime) {
-                *dst = r;
-            } else {
-                dst->join(r);
-            }
-        } else {
-            break;
-        }
-    }
-}