| 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));
|
| -}
|
| -
|
|
|