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rlottie/cache: Added cache configuration support for indivisual resource.

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For configuring Model Cache at runtime used configureModelCacheSize().
For configuring Model Cache at build time use cache flag to enable or disable.
This commit is contained in:
subhransu mohanty
2019-07-23 12:06:56 +09:00
committed by Subhransu
parent 5b4eb59cd8
commit f95f60f8ed
4 changed files with 34 additions and 17 deletions
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13
inc/rlottie.h
View File

@@ -260,6 +260,10 @@ public:
* @brief Constructs an animation object from file path.
*
* @param[in] path Lottie resource file path
* @param[in] cachePolicy whether to cache or not the model data.
* use only when need to explicit disabl caching for a
* particular resource. To disable caching at library level
* use @see configureModelCacheSize() instead.
*
* @return Animation object that can render the contents of the
* Lottie resource represented by file path.
@@ -267,7 +271,7 @@ public:
* @internal
*/
static std::unique_ptr<Animation>
loadFromFile(const std::string &path);
loadFromFile(const std::string &path, bool cachePolicy=true);
/**
* @brief Constructs an animation object from JSON string data.
@@ -275,6 +279,10 @@ public:
* @param[in] jsonData The JSON string data.
* @param[in] key the string that will be used to cache the JSON string data.
* @param[in] resourcePath the path will be used to search for external resource.
* @param[in] cachePolicy whether to cache or not the model data.
* use only when need to explicit disabl caching for a
* particular resource. To disable caching at library level
* use @see configureModelCacheSize() instead.
*
* @return Animation object that can render the contents of the
* Lottie resource represented by JSON string data.
@@ -282,7 +290,8 @@ public:
* @internal
*/
static std::unique_ptr<Animation>
loadFromData(std::string jsonData, const std::string &key, const std::string &resourcePath="");
loadFromData(std::string jsonData, const std::string &key,
const std::string &resourcePath="", bool cachePolicy=true);
/**
* @brief Returns default framerate of the Lottie resource.

9
src/lottie/lottieanimation.cpp
View File

@@ -240,7 +240,7 @@ std::future<Surface> AnimationImpl::renderAsync(size_t frameNo,
*/
std::unique_ptr<Animation> Animation::loadFromData(
std::string jsonData, const std::string &key,
const std::string &resourcePath)
const std::string &resourcePath, bool cachePolicy)
{
if (jsonData.empty()) {
vWarning << "jason data is empty";
@@ -249,7 +249,7 @@ std::unique_ptr<Animation> Animation::loadFromData(
LottieLoader loader;
if (loader.loadFromData(std::move(jsonData), key,
(resourcePath.empty() ? " " : resourcePath))) {
(resourcePath.empty() ? " " : resourcePath), cachePolicy)) {
auto animation = std::unique_ptr<Animation>(new Animation);
animation->d->init(loader.model());
return animation;
@@ -257,7 +257,8 @@ std::unique_ptr<Animation> Animation::loadFromData(
return nullptr;
}
std::unique_ptr<Animation> Animation::loadFromFile(const std::string &path)
std::unique_ptr<Animation>
Animation::loadFromFile(const std::string &path, bool cachePolicy)
{
if (path.empty()) {
vWarning << "File path is empty";
@@ -265,7 +266,7 @@ std::unique_ptr<Animation> Animation::loadFromFile(const std::string &path)
}
LottieLoader loader;
if (loader.load(path)) {
if (loader.load(path, cachePolicy)) {
auto animation = std::unique_ptr<Animation>(new Animation);
animation->d->init(loader.model());
return animation;

22
src/lottie/lottieloader.cpp
View File

@@ -105,10 +105,12 @@ static std::string dirname(const std::string &path)
return std::string(path, 0, len);
}
bool LottieLoader::load(const std::string &path)
bool LottieLoader::load(const std::string &path, bool cachePolicy)
{
mModel = LottieModelCache::instance().find(path);
if (mModel) return true;
if (cachePolicy) {
mModel = LottieModelCache::instance().find(path);
if (mModel) return true;
}
std::ifstream f;
f.open(path);
@@ -126,7 +128,8 @@ bool LottieLoader::load(const std::string &path)
if (!mModel) return false;
LottieModelCache::instance().add(path, mModel);
if (cachePolicy)
LottieModelCache::instance().add(path, mModel);
f.close();
}
@@ -135,10 +138,12 @@ bool LottieLoader::load(const std::string &path)
}
bool LottieLoader::loadFromData(std::string &&jsonData, const std::string &key,
const std::string &resourcePath)
const std::string &resourcePath, bool cachePolicy)
{
mModel = LottieModelCache::instance().find(key);
if (mModel) return true;
if (cachePolicy) {
mModel = LottieModelCache::instance().find(key);
if (mModel) return true;
}
LottieParser parser(const_cast<char *>(jsonData.c_str()),
resourcePath.c_str());
@@ -146,7 +151,8 @@ bool LottieLoader::loadFromData(std::string &&jsonData, const std::string &key,
if (!mModel) return false;
LottieModelCache::instance().add(key, mModel);
if (cachePolicy)
LottieModelCache::instance().add(key, mModel);
return true;
}

7
src/lottie/lottieloader.h
View File

@@ -27,10 +27,11 @@ class LottieLoader
{
public:
static void configureModelCacheSize(size_t cacheSize);
bool load(const std::string &filePath);
bool loadFromData(std::string &&jsonData, const std::string &key, const std::string &resourcePath);
bool load(const std::string &filePath, bool cachePolicy);
bool loadFromData(std::string &&jsonData, const std::string &key,
const std::string &resourcePath, bool cachePolicy);
std::shared_ptr<LOTModel> model();
private:
private:
std::shared_ptr<LOTModel> mModel;
};