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 "Resources.h" 9 #include "SkBitmap.h" 10 #include "SkCommandLineFlags.h" 11 #include "SkData.h" 12 #include "SkImage.h" 13 #include "SkImageGenerator.h" 14 #include "SkOSFile.h" 15 #include "SkOSPath.h" 16 #include "SkStream.h" 17 #include "SkTypeface.h" 18 19 DEFINE_string2(resourcePath, i, "resources", "Directory with test resources: images, fonts, etc."); 20 21 SkString GetResourcePath(const char* resource) { 22 return SkOSPath::Join(FLAGS_resourcePath[0], resource); 23 } 24 25 void SetResourcePath(const char* resource) { 26 FLAGS_resourcePath.set(0, resource); 27 } 28 29 bool GetResourceAsBitmap(const char* resource, SkBitmap* dst) { 30 SkString resourcePath = GetResourcePath(resource); 31 sk_sp<SkData> resourceData(SkData::MakeFromFileName(resourcePath.c_str())); 32 std::unique_ptr<SkImageGenerator> gen(SkImageGenerator::MakeFromEncoded(resourceData)); 33 if (!gen) { 34 return false; 35 } 36 SkPMColor ctStorage[256]; 37 sk_sp<SkColorTable> ctable(new SkColorTable(ctStorage, 256)); 38 int count = ctable->count(); 39 return dst->tryAllocPixels(gen->getInfo(), nullptr, ctable.get()) && 40 gen->getPixels(gen->getInfo().makeColorSpace(nullptr), dst->getPixels(), dst->rowBytes(), 41 const_cast<SkPMColor*>(ctable->readColors()), &count); 42 } 43 44 sk_sp<SkImage> GetResourceAsImage(const char* resource) { 45 SkString path = GetResourcePath(resource); 46 sk_sp<SkData> resourceData(SkData::MakeFromFileName(path.c_str())); 47 return SkImage::MakeFromEncoded(resourceData); 48 } 49 50 SkStreamAsset* GetResourceAsStream(const char* resource) { 51 SkString resourcePath = GetResourcePath(resource); 52 std::unique_ptr<SkFILEStream> stream(new SkFILEStream(resourcePath.c_str())); 53 if (!stream->isValid()) { 54 SkDebugf("Resource %s not found.\n", resource); 55 return nullptr; 56 } 57 return stream.release(); 58 } 59 60 sk_sp<SkData> GetResourceAsData(const char* resource) { 61 SkString resourcePath = GetResourcePath(resource); 62 return SkData::MakeFromFileName(resourcePath.c_str()); 63 } 64 65 sk_sp<SkTypeface> MakeResourceAsTypeface(const char* resource) { 66 std::unique_ptr<SkStreamAsset> stream(GetResourceAsStream(resource)); 67 if (!stream) { 68 return nullptr; 69 } 70 return SkTypeface::MakeFromStream(stream.release()); 71 } 72