Make sure SkDrawLooper objects can only be allocated on the heap.

src/effects/SkLayerDrawLooper.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 "SkCanvas.h"
 #include "SkColor.h"
 #include "SkReadBuffer.h"
@@ skipping 18 matching lines @@
 
 SkLayerDrawLooper::~SkLayerDrawLooper() {
     Rec* rec = fRecs;
     while (rec) {
         Rec* next = rec->fNext;
         SkDELETE(rec);
         rec = next;
     }
 }
 
-SkPaint* SkLayerDrawLooper::addLayer(const LayerInfo& info) {
-    fCount += 1;
-
-    Rec* rec = SkNEW(Rec);
-    rec->fNext = fRecs;
-    rec->fInfo = info;
-    fRecs = rec;
-    if (NULL == fTopRec) {
-        fTopRec = rec;
-    }
-
-    return &rec->fPaint;
-}
-
-void SkLayerDrawLooper::addLayer(SkScalar dx, SkScalar dy) {
-    LayerInfo info;
-
-    info.fOffset.set(dx, dy);
-    (void)this->addLayer(info);
-}
-
-SkPaint* SkLayerDrawLooper::addLayerOnTop(const LayerInfo& info) {
-    fCount += 1;
-
-    Rec* rec = SkNEW(Rec);
-    rec->fNext = NULL;
-    rec->fInfo = info;
-    if (NULL == fRecs) {
-        fRecs = rec;
-    } else {
-        SkASSERT(NULL != fTopRec);
-        fTopRec->fNext = rec;
-    }
-    fTopRec = rec;
-
-    return &rec->fPaint;
-}
-
 SkLayerDrawLooper::Context* SkLayerDrawLooper::createContext(SkCanvas* canvas, void* storage) const {
     canvas->save(SkCanvas::kMatrix_SaveFlag);
     return SkNEW_PLACEMENT_ARGS(storage, LayerDrawLooperContext, (this));
 }
 
 static SkColor xferColor(SkColor src, SkColor dst, SkXfermode::Mode mode) {
     switch (mode) {
         case SkXfermode::kSrc_Mode:
             return src;
         case SkXfermode::kDst_Mode:
@@ skipping 285 matching lines @@
     SkLayerDrawLooper* looper = SkNEW(SkLayerDrawLooper);
     looper->fCount = fCount;
     looper->fRecs = fRecs;
 
     fCount = 0;
     fRecs = NULL;
     fTopRec = NULL;
 
     return looper;
 }