| |
| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #include "SkMallocPixelRef.h" |
| #include "SkBitmap.h" |
| #include "SkFlattenable.h" |
| |
| SkMallocPixelRef::SkMallocPixelRef(void* storage, size_t size, |
| SkColorTable* ctable) { |
| if (NULL == storage) { |
| storage = sk_malloc_throw(size); |
| } |
| fStorage = storage; |
| fSize = size; |
| fCTable = ctable; |
| SkSafeRef(ctable); |
| } |
| |
| SkMallocPixelRef::~SkMallocPixelRef() { |
| SkSafeUnref(fCTable); |
| sk_free(fStorage); |
| } |
| |
| void* SkMallocPixelRef::onLockPixels(SkColorTable** ct) { |
| *ct = fCTable; |
| return fStorage; |
| } |
| |
| void SkMallocPixelRef::onUnlockPixels() { |
| // nothing to do |
| } |
| |
| void SkMallocPixelRef::flatten(SkFlattenableWriteBuffer& buffer) const { |
| this->INHERITED::flatten(buffer); |
| |
| buffer.write32(fSize); |
| buffer.writePad(fStorage, fSize); |
| if (fCTable) { |
| buffer.writeBool(true); |
| fCTable->flatten(buffer); |
| } else { |
| buffer.writeBool(false); |
| } |
| } |
| |
| SkMallocPixelRef::SkMallocPixelRef(SkFlattenableReadBuffer& buffer) |
| : INHERITED(buffer, NULL) { |
| fSize = buffer.readU32(); |
| fStorage = sk_malloc_throw(fSize); |
| buffer.read(fStorage, fSize); |
| if (buffer.readBool()) { |
| fCTable = SkNEW_ARGS(SkColorTable, (buffer)); |
| } else { |
| fCTable = NULL; |
| } |
| } |
| |
| static SkPixelRef::Registrar reg("SkMallocPixelRef", |
| SkMallocPixelRef::Create); |
| |