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Unified Diff: skia/corecg/SkRegionPriv.h

Issue 113827: Remove the remainder of the skia source code from the Chromium repo.... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 11 years, 7 months ago
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Index: skia/corecg/SkRegionPriv.h
===================================================================
--- skia/corecg/SkRegionPriv.h (revision 16859)
+++ skia/corecg/SkRegionPriv.h (working copy)
@@ -1,89 +0,0 @@
-/* libs/corecg/SkRegionPriv.h
-**
-** Copyright 2006, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-** http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#ifndef SkRegionPriv_DEFINED
-#define SkRegionPriv_DEFINED
-
-#include "SkRegion.h"
-#include "SkThread.h"
-
-#define assert_sentinel(value, isSentinel) \
- SkASSERT(((value) == SkRegion::kRunTypeSentinel) == isSentinel)
-
-//SkDEBUGCODE(extern int32_t gRgnAllocCounter;)
-
-struct SkRegion::RunHead {
- int32_t fRefCnt;
- int32_t fRunCount;
-
- static RunHead* Alloc(int count)
- {
- //SkDEBUGCODE(sk_atomic_inc(&gRgnAllocCounter);)
- //SkDEBUGF(("************** gRgnAllocCounter::alloc %d\n", gRgnAllocCounter));
-
- SkASSERT(count >= SkRegion::kRectRegionRuns);
-
- RunHead* head = (RunHead*)sk_malloc_throw(sizeof(RunHead) + count * sizeof(RunType));
- head->fRefCnt = 1;
- head->fRunCount = count;
- return head;
- }
-
- bool isComplex() const
- {
- return this != SkRegion_gEmptyRunHeadPtr && this != SkRegion_gRectRunHeadPtr;
- }
-
- SkRegion::RunType* writable_runs()
- {
- SkASSERT(this->isComplex());
- SkASSERT(fRefCnt == 1);
- return (SkRegion::RunType*)(this + 1);
- }
- const SkRegion::RunType* readonly_runs() const
- {
- SkASSERT(this->isComplex());
- return (const SkRegion::RunType*)(this + 1);
- }
-
- RunHead* ensureWritable()
- {
- SkASSERT(this->isComplex());
-
- RunHead* writable = this;
- if (fRefCnt > 1)
- {
- // We need to alloc & copy the current region before we call
- // sk_atomic_dec because it could be freed in the meantime,
- // otherwise.
- writable = Alloc(fRunCount);
- memcpy(writable->writable_runs(), this->readonly_runs(),
- fRunCount * sizeof(RunType));
-
- // fRefCount might have changed since we last checked.
- // If we own the last reference at this point, we need to
- // free the memory.
- if (sk_atomic_dec(&fRefCnt) == 1)
- {
- sk_free(this);
- }
- }
- return writable;
- }
-};
-
-#endif
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