06826d9d20
NewFromEncoded returns nullptr if the resourceData is null or empty. BUG=skia: Change-Id: I8812b92b8664ebf5e5cf5cdd8b3bfb29963ed454 Reviewed-on: https://skia-review.googlesource.com/5314 Reviewed-by: Matt Sarett <msarett@google.com> Commit-Queue: Brian Osman <brianosman@google.com>
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Resources.h"
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#include "SkBitmap.h"
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#include "SkCommandLineFlags.h"
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#include "SkData.h"
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#include "SkImage.h"
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#include "SkImageGenerator.h"
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#include "SkOSFile.h"
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#include "SkOSPath.h"
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#include "SkStream.h"
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#include "SkTypeface.h"
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DEFINE_string2(resourcePath, i, "resources", "Directory with test resources: images, fonts, etc.");
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SkString GetResourcePath(const char* resource) {
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return SkOSPath::Join(FLAGS_resourcePath[0], resource);
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}
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void SetResourcePath(const char* resource) {
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FLAGS_resourcePath.set(0, resource);
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}
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bool GetResourceAsBitmap(const char* resource, SkBitmap* dst) {
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SkString resourcePath = GetResourcePath(resource);
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sk_sp<SkData> resourceData(SkData::MakeFromFileName(resourcePath.c_str()));
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std::unique_ptr<SkImageGenerator> gen(SkImageGenerator::NewFromEncoded(resourceData.get()));
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if (!gen) {
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return false;
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}
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SkPMColor ctStorage[256];
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sk_sp<SkColorTable> ctable(new SkColorTable(ctStorage, 256));
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int count = ctable->count();
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return dst->tryAllocPixels(gen->getInfo(), nullptr, ctable.get()) &&
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gen->getPixels(gen->getInfo().makeColorSpace(nullptr), dst->getPixels(), dst->rowBytes(),
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const_cast<SkPMColor*>(ctable->readColors()), &count);
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}
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sk_sp<SkImage> GetResourceAsImage(const char* resource) {
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SkString path = GetResourcePath(resource);
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sk_sp<SkData> resourceData(SkData::MakeFromFileName(path.c_str()));
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return SkImage::MakeFromEncoded(resourceData);
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}
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SkStreamAsset* GetResourceAsStream(const char* resource) {
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SkString resourcePath = GetResourcePath(resource);
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std::unique_ptr<SkFILEStream> stream(new SkFILEStream(resourcePath.c_str()));
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if (!stream->isValid()) {
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SkDebugf("Resource %s not found.\n", resource);
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return nullptr;
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}
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return stream.release();
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}
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sk_sp<SkTypeface> MakeResourceAsTypeface(const char* resource) {
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std::unique_ptr<SkStreamAsset> stream(GetResourceAsStream(resource));
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if (!stream) {
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return nullptr;
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}
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return SkTypeface::MakeFromStream(stream.release());
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}
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