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EffectBase.cpp
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EffectBase.cpp
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/**
* @file
* @brief Source file for EffectBase class
* @author Jonathan Thomas <jonathan@openshot.org>
*
* @ref License
*/
/* LICENSE
*
* Copyright (c) 2008-2019 OpenShot Studios, LLC
* <http://www.openshotstudios.com/>. This file is part of
* OpenShot Library (libopenshot), an open-source project dedicated to
* delivering high quality video editing and animation solutions to the
* world. For more information visit <http://www.openshot.org/>.
*
* OpenShot Library (libopenshot) is free software: you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* OpenShot Library (libopenshot) is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "EffectBase.h"
using namespace openshot;
// Initialize the values of the EffectInfo struct
void EffectBase::InitEffectInfo()
{
// Init clip settings
Position(0.0);
Layer(0);
Start(0.0);
End(0.0);
Order(0);
ParentClip(NULL);
info.has_video = false;
info.has_audio = false;
info.name = "";
info.description = "";
info.has_tracked_object = false;
}
// Display file information
void EffectBase::DisplayInfo() {
std::cout << std::fixed << std::setprecision(2) << std::boolalpha;
std::cout << "----------------------------" << std::endl;
std::cout << "----- Effect Information -----" << std::endl;
std::cout << "----------------------------" << std::endl;
std::cout << "--> Name: " << info.name << std::endl;
std::cout << "--> Description: " << info.description << std::endl;
std::cout << "--> Has Video: " << info.has_video << std::endl;
std::cout << "--> Has Audio: " << info.has_audio << std::endl;
std::cout << "----------------------------" << std::endl;
}
// Constrain a color value from 0 to 255
int EffectBase::constrain(int color_value)
{
// Constrain new color from 0 to 255
if (color_value < 0)
color_value = 0;
else if (color_value > 255)
color_value = 255;
return color_value;
}
// Generate JSON string of this object
std::string EffectBase::Json() const {
// Return formatted string
return JsonValue().toStyledString();
}
// Generate Json::Value for this object
Json::Value EffectBase::JsonValue() const {
// Create root json object
Json::Value root = ClipBase::JsonValue(); // get parent properties
root["name"] = info.name;
root["class_name"] = info.class_name;
root["description"] = info.description;
root["has_video"] = info.has_video;
root["has_audio"] = info.has_audio;
root["has_tracked_object"] = info.has_tracked_object;
root["order"] = Order();
// return JsonValue
return root;
}
// Load JSON string into this object
void EffectBase::SetJson(const std::string value) {
// Parse JSON string into JSON objects
try
{
const Json::Value root = openshot::stringToJson(value);
// Set all values that match
SetJsonValue(root);
}
catch (const std::exception& e)
{
// Error parsing JSON (or missing keys)
throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
}
}
// Load Json::Value into this object
void EffectBase::SetJsonValue(const Json::Value root) {
// Set parent data
ClipBase::SetJsonValue(root);
// Set data from Json (if key is found)
if (!root["order"].isNull())
Order(root["order"].asInt());
}
// Generate Json::Value for this object
Json::Value EffectBase::JsonInfo() const {
// Create root json object
Json::Value root;
root["name"] = info.name;
root["class_name"] = info.class_name;
root["description"] = info.description;
root["has_video"] = info.has_video;
root["has_audio"] = info.has_audio;
// return JsonValue
return root;
}
/// Parent clip object of this reader (which can be unparented and NULL)
openshot::ClipBase* EffectBase::ParentClip() {
return clip;
}
/// Set parent clip object of this reader
void EffectBase::ParentClip(openshot::ClipBase* new_clip) {
clip = new_clip;
}