1 /*
2 * Copyright 2014 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "include/core/SkImageGenerator.h"
9
10 #include "include/core/SkColorType.h"
11 #include "include/private/base/SkAssert.h"
12 #include "src/core/SkNextID.h"
13
SkImageGenerator(const SkImageInfo & info,uint32_t uniqueID)14 SkImageGenerator::SkImageGenerator(const SkImageInfo& info, uint32_t uniqueID)
15 : fInfo(info)
16 , fUniqueID(kNeedNewImageUniqueID == uniqueID ? SkNextID::ImageID() : uniqueID)
17 {}
18
getPixels(const SkImageInfo & info,void * pixels,size_t rowBytes)19 bool SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels, size_t rowBytes) {
20 if (kUnknown_SkColorType == info.colorType()) {
21 return false;
22 }
23 if (nullptr == pixels) {
24 return false;
25 }
26 if (rowBytes < info.minRowBytes()) {
27 return false;
28 }
29
30 Options defaultOpts;
31 return this->onGetPixels(info, pixels, rowBytes, defaultOpts);
32 }
33
queryYUVAInfo(const SkYUVAPixmapInfo::SupportedDataTypes & supportedDataTypes,SkYUVAPixmapInfo * yuvaPixmapInfo) const34 bool SkImageGenerator::queryYUVAInfo(const SkYUVAPixmapInfo::SupportedDataTypes& supportedDataTypes,
35 SkYUVAPixmapInfo* yuvaPixmapInfo) const {
36 SkASSERT(yuvaPixmapInfo);
37
38 return this->onQueryYUVAInfo(supportedDataTypes, yuvaPixmapInfo) &&
39 yuvaPixmapInfo->isSupported(supportedDataTypes);
40 }
41
getYUVAPlanes(const SkYUVAPixmaps & yuvaPixmaps)42 bool SkImageGenerator::getYUVAPlanes(const SkYUVAPixmaps& yuvaPixmaps) {
43 return this->onGetYUVAPlanes(yuvaPixmaps);
44 }
45