| 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
|
|
|