Adding option in SkPicture to record device-space bounds of draw commands.

src/core/SkBBoxHierarchyRecord.cpp

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBBoxHierarchyRecord.h"
 #include "SkPictureStateTree.h"
 
 SkBBoxHierarchyRecord::SkBBoxHierarchyRecord(uint32_t recordFlags,
                                              SkBBoxHierarchy* h,
                                              SkDevice* device)
     : INHERITED(recordFlags, device) {
     fStateTree = SkNEW(SkPictureStateTree);
     fBoundingHierarchy = h;
     fBoundingHierarchy->ref();
     fBoundingHierarchy->setClient(this);
 }
 
+#if SK_RECORD_BOUNDS_IN_PICTURE
+void SkBBoxHierarchyRecord::handleBBox(uint32_t offset) {
+    if (!fLastDrawBounds.isEmpty()) {
+        SkPictureStateTree::Draw* draw = fStateTree->appendDraw(offset);
+        fBoundingHierarchy->insert(draw, fLastDrawBounds, true);
+    }
+}
+#else
 void SkBBoxHierarchyRecord::handleBBox(const SkRect& bounds) {
     SkIRect r;
     bounds.roundOut(&r);
     SkPictureStateTree::Draw* draw = fStateTree->appendDraw(this->writeStream().size());
     fBoundingHierarchy->insert(draw, r, true);
 }
+#endif
 
 int SkBBoxHierarchyRecord::save(SaveFlags flags) {
     fStateTree->appendSave();
     return INHERITED::save(flags);
 }
 
 int SkBBoxHierarchyRecord::saveLayer(const SkRect* bounds, const SkPaint* paint,
                                      SaveFlags flags) {
     fStateTree->appendSaveLayer(this->writeStream().size());
     return INHERITED::saveLayer(bounds, paint, flags);
@@ skipping 68 matching lines @@
 
 bool SkBBoxHierarchyRecord::shouldRewind(void* data) {
     // SkBBoxHierarchy::rewindInserts is called by SkPicture after the
     // SkPicture has rewound its command stream.  To match that rewind in the
     // BBH, we rewind all draws that reference commands that were recorded
     // past the point to which the SkPicture has rewound, which is given by
     // writeStream().size().
     SkPictureStateTree::Draw* draw = static_cast<SkPictureStateTree::Draw*>(data);
     return draw->fOffset >= writeStream().size();
 }