Resources.cpp revision 96fcdcc219d2a0d3579719b84b28bede76efba64 
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 "SkStream.h"
16#include "SkTypeface.h"
17
18DEFINE_string2(resourcePath, i, "resources", "Directory with test resources: images, fonts, etc.");
19
20SkString GetResourcePath(const char* resource) {
21    return SkOSPath::Join(FLAGS_resourcePath[0], resource);
22}
23
24void SetResourcePath(const char* resource) {
25    FLAGS_resourcePath.set(0, resource);
26}
27
28bool GetResourceAsBitmap(const char* resource, SkBitmap* dst) {
29    SkString resourcePath = GetResourcePath(resource);
30    SkAutoTUnref<SkData> resourceData(SkData::NewFromFileName(resourcePath.c_str()));
31    return resourceData && SkInstallDiscardablePixelRef(resourceData, dst);
32}
33
34SkImage* GetResourceAsImage(const char* resource) {
35    SkString path = GetResourcePath(resource);
36    SkAutoTUnref<SkData> resourceData(SkData::NewFromFileName(path.c_str()));
37    return SkImage::NewFromEncoded(resourceData);
38}
39
40SkStreamAsset* GetResourceAsStream(const char* resource) {
41    SkString resourcePath = GetResourcePath(resource);
42    SkAutoTDelete<SkFILEStream> stream(new SkFILEStream(resourcePath.c_str()));
43    if (stream->isValid()) {
44        return stream.detach();
45    } else {
46        SkDebugf("Resource %s not found.\n", resource);
47        return nullptr;
48    }
49}
50
51SkTypeface* GetResourceAsTypeface(const char* resource) {
52    SkAutoTDelete<SkStreamAsset> stream(GetResourceAsStream(resource));
53    if (!stream) {
54        return nullptr;
55    }
56    return SkTypeface::CreateFromStream(stream.detach());
57}
58