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 |