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Unified Diff: skia/sgl/SkColorTable.cpp

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/sgl/SkColorTable.cpp
===================================================================
--- skia/sgl/SkColorTable.cpp (revision 16859)
+++ skia/sgl/SkColorTable.cpp (working copy)
@@ -1,143 +0,0 @@
-/* libs/graphics/sgl/SkColorTable.cpp
-**
-** 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.
-*/
-
-#include "SkBitmap.h"
-#include "SkFlattenable.h"
-#include "SkStream.h"
-#include "SkTemplates.h"
-
-SkColorTable::SkColorTable(int count)
- : f16BitCache(NULL), fFlags(0)
-{
- if (count < 0)
- count = 0;
- else if (count > 256)
- count = 256;
-
- fCount = SkToU16(count);
- fColors = (SkPMColor*)sk_malloc_throw(count * sizeof(SkPMColor));
- memset(fColors, 0, count * sizeof(SkPMColor));
-
- SkDEBUGCODE(fColorLockCount = 0;)
- SkDEBUGCODE(f16BitCacheLockCount = 0;)
-}
-
-SkColorTable::SkColorTable(const SkPMColor colors[], int count)
- : f16BitCache(NULL), fFlags(0)
-{
- if (count < 0)
- count = 0;
- else if (count > 256)
- count = 256;
-
- fCount = SkToU16(count);
- fColors = (SkPMColor*)sk_malloc_throw(count * sizeof(SkPMColor));
-
- if (colors)
- memcpy(fColors, colors, count * sizeof(SkPMColor));
-
- SkDEBUGCODE(fColorLockCount = 0;)
- SkDEBUGCODE(f16BitCacheLockCount = 0;)
-}
-
-SkColorTable::~SkColorTable()
-{
- SkASSERT(fColorLockCount == 0);
- SkASSERT(f16BitCacheLockCount == 0);
-
- sk_free(fColors);
- sk_free(f16BitCache);
-}
-
-void SkColorTable::setFlags(unsigned flags)
-{
- fFlags = SkToU8(flags);
-}
-
-void SkColorTable::unlockColors(bool changed)
-{
- SkASSERT(fColorLockCount != 0);
- SkDEBUGCODE(fColorLockCount -= 1;)
- if (changed)
- this->inval16BitCache();
-}
-
-void SkColorTable::inval16BitCache()
-{
- SkASSERT(f16BitCacheLockCount == 0);
- if (f16BitCache)
- {
- sk_free(f16BitCache);
- f16BitCache = NULL;
- }
-}
-
-#include "SkColorPriv.h"
-
-static inline void build_16bitcache(uint16_t dst[], const SkPMColor src[], int count)
-{
- while (--count >= 0)
- *dst++ = SkPixel32ToPixel16_ToU16(*src++);
-}
-
-const uint16_t* SkColorTable::lock16BitCache()
-{
- if (fFlags & kColorsAreOpaque_Flag)
- {
- if (f16BitCache == NULL) // build the cache
- {
- f16BitCache = (uint16_t*)sk_malloc_throw(fCount * sizeof(uint16_t));
- build_16bitcache(f16BitCache, fColors, fCount);
- }
- }
- else // our colors have alpha, so no cache
- {
- this->inval16BitCache();
- if (f16BitCache)
- {
- sk_free(f16BitCache);
- f16BitCache = NULL;
- }
- }
-
- SkDEBUGCODE(f16BitCacheLockCount += 1);
- return f16BitCache;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-SkColorTable::SkColorTable(SkFlattenableReadBuffer& buffer) {
- f16BitCache = NULL;
- SkDEBUGCODE(fColorLockCount = 0;)
- SkDEBUGCODE(f16BitCacheLockCount = 0;)
-
- fCount = buffer.readU16();
- SkASSERT((unsigned)fCount <= 256);
-
- fFlags = buffer.readU8();
-
- fColors = (SkPMColor*)sk_malloc_throw(fCount * sizeof(SkPMColor));
- buffer.read(fColors, fCount * sizeof(SkPMColor));
-}
-
-void SkColorTable::flatten(SkFlattenableWriteBuffer& buffer) const {
- int count = this->count();
- buffer.write16(count);
- buffer.write8(this->getFlags());
- buffer.writeMul4(fColors, count * sizeof(SkPMColor));
-}
-
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