add new onClip* methods to SkCanvas

src/core/SkPicturePlayback.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 "SkPicturePlayback.h"
 #include "SkPictureRecord.h"
 #include "SkTypeface.h"
@@ skipping 801 matching lines @@
 
         switch (op) {
             case CLIP_PATH: {
                 const SkPath& path = getPath(reader);
                 uint32_t packed = reader.readInt();
                 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
                 bool doAA = ClipParams_unpackDoAA(packed);
                 size_t offsetToRestore = reader.readInt();
                 SkASSERT(!offsetToRestore || \
                     offsetToRestore >= reader.offset());
-                if (!canvas.clipPath(path, regionOp, doAA) && offsetToRestore) {
+                canvas.clipPath(path, regionOp, doAA);
+                if (canvas.isClipEmpty() && offsetToRestore) {
 #ifdef SPEW_CLIP_SKIPPING
                     skipPath.recordSkip(offsetToRestore - reader.offset());
 #endif
                     reader.setOffset(offsetToRestore);
                 }
             } break;
             case CLIP_REGION: {
                 SkRegion region;
                 this->getRegion(reader, &region);
                 uint32_t packed = reader.readInt();
                 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
                 size_t offsetToRestore = reader.readInt();
                 SkASSERT(!offsetToRestore || \
                     offsetToRestore >= reader.offset());
-                if (!canvas.clipRegion(region, regionOp) && offsetToRestore) {
+                canvas.clipRegion(region, regionOp);
+                if (canvas.isClipEmpty() && offsetToRestore) {
 #ifdef SPEW_CLIP_SKIPPING
                     skipRegion.recordSkip(offsetToRestore - reader.offset());
 #endif
                     reader.setOffset(offsetToRestore);
                 }
             } break;
             case CLIP_RECT: {
                 const SkRect& rect = reader.skipT<SkRect>();
                 uint32_t packed = reader.readInt();
                 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
                 bool doAA = ClipParams_unpackDoAA(packed);
                 size_t offsetToRestore = reader.readInt();
                 SkASSERT(!offsetToRestore || \
                          offsetToRestore >= reader.offset());
-                if (!canvas.clipRect(rect, regionOp, doAA) && offsetToRestore) {
+                canvas.clipRect(rect, regionOp, doAA);
+                if (canvas.isClipEmpty() && offsetToRestore) {
 #ifdef SPEW_CLIP_SKIPPING
                     skipRect.recordSkip(offsetToRestore - reader.offset());
 #endif
                     reader.setOffset(offsetToRestore);
                 }
             } break;
             case CLIP_RRECT: {
                 SkRRect rrect;
                 reader.readRRect(&rrect);
                 uint32_t packed = reader.readInt();
                 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
                 bool doAA = ClipParams_unpackDoAA(packed);
                 size_t offsetToRestore = reader.readInt();
                 SkASSERT(!offsetToRestore || \
                          offsetToRestore >= reader.offset());
-                if (!canvas.clipRRect(rrect, regionOp, doAA) && offsetToRestore) {
+                canvas.clipRRect(rrect, regionOp, doAA);
+                if (canvas.isClipEmpty() && offsetToRestore) {
 #ifdef SPEW_CLIP_SKIPPING
                     skipRRect.recordSkip(offsetToRestore - reader.offset());
 #endif
                     reader.setOffset(offsetToRestore);
                 }
             } break;
             case PUSH_CULL: {
                 const SkRect& cullRect = reader.skipT<SkRect>();
                 size_t offsetToRestore = reader.readInt();
                 if (offsetToRestore && canvas.quickReject(cullRect)) {
@@ skipping 780 matching lines @@
     for (index = 0; index < fPictureCount; index++)
         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
             "picture%p, ", fPictureRefs[index]);
     if (fPictureCount > 0)
         SkDebugf("%s0};\n", pBuffer);
 
     const_cast<SkPicturePlayback*>(this)->dumpStream();
 }
 
 #endif