Index: skia/images/SkImageDecoder.cpp |
=================================================================== |
--- skia/images/SkImageDecoder.cpp (revision 16859) |
+++ skia/images/SkImageDecoder.cpp (working copy) |
@@ -1,171 +0,0 @@ |
-/* libs/graphics/images/SkImageDecoder.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 "SkImageDecoder.h" |
-#include "SkStream.h" |
-#include "SkTemplates.h" |
- |
-static SkBitmap::Config gDeviceConfig = SkBitmap::kNo_Config; |
- |
-SkBitmap::Config SkImageDecoder::GetDeviceConfig() |
-{ |
- return gDeviceConfig; |
-} |
- |
-void SkImageDecoder::SetDeviceConfig(SkBitmap::Config config) |
-{ |
- gDeviceConfig = config; |
-} |
- |
-/////////////////////////////////////////////////////////////////////////////// |
- |
-SkImageDecoder::SkImageDecoder() |
- : fPeeker(NULL), fChooser(NULL), fAllocator(NULL), fSampleSize(1), |
- fDitherImage(true) { |
-} |
- |
-SkImageDecoder::~SkImageDecoder() { |
- fPeeker->safeUnref(); |
- fChooser->safeUnref(); |
- fAllocator->safeUnref(); |
-} |
- |
-SkImageDecoder::Format SkImageDecoder::getFormat() const { |
- return kUnknown_Format; |
-} |
- |
-SkImageDecoder::Peeker* SkImageDecoder::setPeeker(Peeker* peeker) { |
- SkRefCnt_SafeAssign(fPeeker, peeker); |
- return peeker; |
-} |
- |
-SkImageDecoder::Chooser* SkImageDecoder::setChooser(Chooser* chooser) { |
- SkRefCnt_SafeAssign(fChooser, chooser); |
- return chooser; |
-} |
- |
-SkBitmap::Allocator* SkImageDecoder::setAllocator(SkBitmap::Allocator* alloc) { |
- SkRefCnt_SafeAssign(fAllocator, alloc); |
- return alloc; |
-} |
- |
-void SkImageDecoder::setSampleSize(int size) { |
- if (size < 1) { |
- size = 1; |
- } |
- fSampleSize = size; |
-} |
- |
-bool SkImageDecoder::chooseFromOneChoice(SkBitmap::Config config, int width, |
- int height) const { |
- Chooser* chooser = fChooser; |
- |
- if (NULL == chooser) { // no chooser, we just say YES to decoding :) |
- return true; |
- } |
- chooser->begin(1); |
- chooser->inspect(0, config, width, height); |
- return chooser->choose() == 0; |
-} |
- |
-bool SkImageDecoder::allocPixelRef(SkBitmap* bitmap, |
- SkColorTable* ctable) const { |
- return bitmap->allocPixels(fAllocator, ctable); |
-} |
- |
-/////////////////////////////////////////////////////////////////////////////// |
- |
-bool SkImageDecoder::decode(SkStream* stream, SkBitmap* bm, |
- SkBitmap::Config pref, Mode mode) { |
- SkBitmap tmp; |
- |
- // we reset this to false before calling onDecode |
- fShouldCancelDecode = false; |
- |
- // pass a temporary bitmap, so that if we return false, we are assured of |
- // leaving the caller's bitmap untouched. |
- if (this->onDecode(stream, &tmp, pref, mode)) { |
- /* We operate on a tmp bitmap until we know we succeed. This way |
- we're sure we don't change the caller's bitmap and then later |
- return false. Returning false must mean that their parameter |
- is unchanged. |
- */ |
- bm->swap(tmp); |
- return true; |
- } |
- return false; |
-} |
- |
-/////////////////////////////////////////////////////////////////////////////// |
- |
-bool SkImageDecoder::DecodeFile(const char file[], SkBitmap* bm, |
- SkBitmap::Config pref, Mode mode) { |
- SkASSERT(file); |
- SkASSERT(bm); |
- |
- SkFILEStream stream(file); |
- return stream.isValid() && |
- SkImageDecoder::DecodeStream(&stream, bm, pref, mode); |
-} |
- |
-bool SkImageDecoder::DecodeMemory(const void* buffer, size_t size, SkBitmap* bm, |
- SkBitmap::Config pref, Mode mode) { |
- if (0 == size) { |
- return false; |
- } |
- SkASSERT(buffer); |
- |
- SkMemoryStream stream(buffer, size); |
- return SkImageDecoder::DecodeStream(&stream, bm, pref, mode); |
-} |
- |
-bool SkImageDecoder::DecodeStream(SkStream* stream, SkBitmap* bm, |
- SkBitmap::Config pref, Mode mode) { |
- SkASSERT(stream); |
- SkASSERT(bm); |
- |
- bool success = false; |
- SkImageDecoder* codec = SkImageDecoder::Factory(stream); |
- |
- if (NULL != codec) { |
- success = codec->decode(stream, bm, pref, mode); |
- delete codec; |
- } |
- return success; |
-} |
- |
-/////////////////////////////////////////////////////////////////////////////// |
- |
-#ifdef SK_SUPPORT_IMAGE_ENCODE |
- |
-SkImageEncoder::~SkImageEncoder() {} |
- |
-bool SkImageEncoder::encodeStream(SkWStream* stream, const SkBitmap& bm, |
- int quality) { |
- quality = SkMin32(100, SkMax32(0, quality)); |
- return this->onEncode(stream, bm, quality); |
-} |
- |
-bool SkImageEncoder::encodeFile(const char file[], const SkBitmap& bm, |
- int quality) { |
- quality = SkMin32(100, SkMax32(0, quality)); |
- SkFILEWStream stream(file); |
- return this->onEncode(&stream, bm, quality); |
-} |
- |
-#endif |
- |