| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkImageGenerator.h" |
| |
| #ifndef SK_SUPPORT_LEGACY_IMAGEGENERATORAPI |
| bool SkImageGenerator::getInfo(SkImageInfo* info) { |
| SkImageInfo dummy; |
| if (NULL == info) { |
| info = &dummy; |
| } |
| return this->onGetInfo(info); |
| } |
| |
| bool SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels, size_t rowBytes, |
| SkPMColor ctable[], int* ctableCount) { |
| // Dummy (out-of-range) value to catch subclasses that forgot to respect ctable params. |
| int localCTableCount = -1; |
| int* localCTableCountPtr = NULL; |
| |
| if (kIndex_8_SkColorType == info.colorType()) { |
| if (NULL == ctable || NULL == ctableCount) { |
| return false; |
| } |
| } else { |
| if (ctableCount) { |
| *ctableCount = 0; |
| } |
| ctableCount = NULL; |
| ctable = NULL; |
| } |
| |
| if (kUnknown_SkColorType == info.colorType()) { |
| return false; |
| } |
| if (NULL == pixels) { |
| return false; |
| } |
| if (rowBytes < info.minRowBytes()) { |
| return false; |
| } |
| |
| bool success = this->onGetPixels(info, pixels, rowBytes, ctable, localCTableCountPtr); |
| |
| if (success && localCTableCountPtr) { |
| SkASSERT(localCTableCount >= 0 && localCTableCount <= 256); |
| if (ctableCount) { |
| *ctableCount = localCTableCount; |
| } |
| } |
| return success; |
| } |
| |
| bool SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels, size_t rowBytes) { |
| SkASSERT(kIndex_8_SkColorType != info.colorType()); |
| if (kIndex_8_SkColorType == info.colorType()) { |
| return false; |
| } |
| return this->getPixels(info, pixels, rowBytes, NULL, NULL); |
| } |
| #endif |
| |
| ///////////////////////////////////////////////////////////////////////////////////////////// |
| |
| SkData* SkImageGenerator::onRefEncodedData() { |
| return NULL; |
| } |
| |
| bool SkImageGenerator::onGetInfo(SkImageInfo*) { |
| return false; |
| } |
| |
| bool SkImageGenerator::onGetPixels(const SkImageInfo&, void*, size_t, SkPMColor*, int*) { |
| return false; |
| } |