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