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61 lines
1.6 KiB
61 lines
1.6 KiB
/*
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* Copyright 2016 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 "tools/UrlDataManager.h"
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#include <unordered_map>
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bool operator==(const SkData& a, const SkData& b) {
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return a.equals(&b);
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}
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UrlDataManager::UrlDataManager(SkString rootUrl) : fRootUrl(rootUrl), fDataId(0) {}
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SkString UrlDataManager::addData(SkData* data, const char* contentType) {
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UrlData* urlData = fCache.find(*data);
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if (fCache.find(*data)) {
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SkASSERT(data->equals(urlData->fData.get()));
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return urlData->fUrl;
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}
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urlData = new UrlData;
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urlData->fData.reset(SkRef(data));
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urlData->fContentType.set(contentType);
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urlData->fUrl.appendf("%s/%d", fRootUrl.c_str(), fDataId++);
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fCache.add(urlData);
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SkASSERT(!fUrlLookup.find(urlData->fUrl));
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fUrlLookup.add(urlData);
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return urlData->fUrl;
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}
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void UrlDataManager::reset() {
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fCache.foreach([&](UrlData* urlData) {
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urlData->unref();
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});
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fCache.rewind();
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}
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void UrlDataManager::indexImages(const std::vector<sk_sp<SkImage>>& images) {
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SkASSERT(imageMap.size() == 0); // this method meant only for initialization once.
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for (size_t i = 0; i < images.size(); ++i) {
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imageMap.insert({images[i].get(), i});
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}
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}
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int UrlDataManager::lookupImage(const SkImage* im) {
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auto search = imageMap.find(im);
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if (search != imageMap.end()) {
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return search->second;
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} else {
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// -1 signals the pointer to this image wasn't in the original list.
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// Maybe it was synthesized after file load? If so, you shouldn't be looking it up here.
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return -1;
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}
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}
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