| /* |
| * Copyright 2012 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkColorFilterImageFilter.h" |
| #include "SkBitmap.h" |
| #include "SkCanvas.h" |
| #include "SkDevice.h" |
| #include "SkColorFilter.h" |
| #include "SkFlattenableBuffers.h" |
| |
| SkColorFilterImageFilter::SkColorFilterImageFilter(SkColorFilter* cf, SkImageFilter* input) : INHERITED(input), fColorFilter(cf) { |
| SkSafeRef(cf); |
| } |
| |
| SkColorFilterImageFilter::SkColorFilterImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) { |
| fColorFilter = buffer.readFlattenableT<SkColorFilter>(); |
| } |
| |
| void SkColorFilterImageFilter::flatten(SkFlattenableWriteBuffer& buffer) const { |
| this->INHERITED::flatten(buffer); |
| |
| buffer.writeFlattenable(fColorFilter); |
| } |
| |
| SkColorFilterImageFilter::~SkColorFilterImageFilter() { |
| SkSafeUnref(fColorFilter); |
| } |
| |
| bool SkColorFilterImageFilter::onFilterImage(Proxy* proxy, const SkBitmap& source, |
| const SkMatrix& matrix, |
| SkBitmap* result, |
| SkIPoint* loc) { |
| SkBitmap src = this->getInputResult(proxy, source, matrix, loc); |
| SkColorFilter* cf = fColorFilter; |
| if (NULL == cf) { |
| *result = src; |
| return true; |
| } |
| |
| SkAutoTUnref<SkDevice> device(proxy->createDevice(src.width(), src.height())); |
| SkCanvas canvas(device.get()); |
| SkPaint paint; |
| |
| paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
| paint.setColorFilter(fColorFilter); |
| canvas.drawSprite(src, 0, 0, &paint); |
| |
| *result = device.get()->accessBitmap(false); |
| return true; |
| } |
| |
| SK_DEFINE_FLATTENABLE_REGISTRAR(SkColorFilterImageFilter) |
| |