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
GetResourcePath(const char * resource)24 SkString GetResourcePath(const char* resource) {
25 return SkOSPath::Join(FLAGS_resourcePath[0], resource);
26 }
27
SetResourcePath(const char * resource)28 void SetResourcePath(const char* resource) {
29 FLAGS_resourcePath.set(0, resource);
30 }
31
DecodeDataToBitmap(sk_sp<SkData> data,SkBitmap * dst)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
GetResourceAsStream(const char * resource)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
GetResourceAsData(const char * resource)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
MakeResourceAsTypeface(const char * resource)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