add src-rect-constraint to drawImageRect

src/core/SkPictureRecord.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 "SkPictureRecord.h"
 #include "SkDevice.h"
 #include "SkImage_Base.h"
@@ skipping 566 matching lines @@
     size_t initialOffset = this->addDraw(DRAW_IMAGE, &size);
     SkASSERT(initialOffset+get_paint_offset(DRAW_IMAGE, size) == fWriter.bytesWritten());
     this->addPaintPtr(paint);
     this->addImage(image);
     this->addScalar(x);
     this->addScalar(y);
     this->validate(initialOffset, size);
 }
 
 void SkPictureRecord::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
-                                      const SkPaint* paint) {
-    // id + paint_index + image_index + bool_for_src
-    size_t size = 4 * kUInt32Size;
+                                      const SkPaint* paint SRC_RECT_CONSTRAINT_PARAM(constraint)) {
+    SRC_RECT_CONSTRAINT_LOCAL_DEFAULT(constraint)
+    // id + paint_index + image_index + bool_for_src + constraint
+    size_t size = 5 * kUInt32Size;
     if (src) {
         size += sizeof(*src);   // + rect
     }
     size += sizeof(dst);        // + rect
     
     size_t initialOffset = this->addDraw(DRAW_IMAGE_RECT, &size);
     SkASSERT(initialOffset+get_paint_offset(DRAW_IMAGE_RECT, size)
              == fWriter.bytesWritten());
     this->addPaintPtr(paint);
     this->addImage(image);
     this->addRectPtr(src);  // may be null
     this->addRect(dst);
+    this->addInt(constraint);
     this->validate(initialOffset, size);
 }
 
 void SkPictureRecord::onDrawImageNine(const SkImage* img, const SkIRect& center, const SkRect& dst,
                                       const SkPaint* paint) {
     // id + paint_index + image_index + center + dst
     size_t size = 3 * kUInt32Size + sizeof(SkIRect) + sizeof(SkRect);
     
     size_t initialOffset = this->addDraw(DRAW_IMAGE_NINE, &size);
     SkASSERT(initialOffset+get_paint_offset(DRAW_IMAGE_NINE, size) == fWriter.bytesWritten());
@@ skipping 451 matching lines @@
 void SkPictureRecord::addTextBlob(const SkTextBlob *blob) {
     int index = fTextBlobRefs.count();
     *fTextBlobRefs.append() = blob;
     blob->ref();
     // follow the convention of recording a 1-based index
     this->addInt(index + 1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////