openshot/libopenshot
0
0
Fork 0
mirror of https://github.com/OpenShot/libopenshot.git synced 2026-03-02 08:53:52 -08:00
Code Issues Packages Projects Releases Wiki Activity

Added Json() methods to many methods, for loading and saving properties.

Browse Source
This commit is contained in:
Jonathan Thomas
2013-12-06 00:40:26 -06:00
parent 4e730a3f41
commit d8da4cb807
24 changed files with 712 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

92
src/KeyFrame.cpp
View File

@@ -237,44 +237,82 @@ bool Keyframe::IsIncreasing(int index)
return true;
}
// Generate JSON of keyframe data
// Generate JSON string of this object
string Keyframe::Json() {
// Check if it needs to be processed
if (needs_update)
Process();
// Return formatted string
return JsonValue().toStyledString();
}
// Generate Json::JsonValue for this object
Json::Value Keyframe::JsonValue() {
// Create root json object
Json::Value root = Json::Value(Json::arrayValue);
Json::Value root;
root["Points"] = Json::Value(Json::arrayValue);
// loop through points, and find a matching coordinate
for (int x = 0; x < Points.size(); x++) {
// Get each point
Point existing_point = Points[x];
// Create new point object
Json::Value point = Json::Value(Json::objectValue);
point["interpolation"] = existing_point.interpolation;
point["handle_type"] = existing_point.handle_type;
point["co"] = Json::Value(Json::objectValue);
point["co"]["X"] = existing_point.co.X;
point["co"]["Y"] = existing_point.co.Y;
point["left"] = Json::Value(Json::objectValue);
point["left"]["X"] = existing_point.handle_left.X;
point["left"]["Y"] = existing_point.handle_left.Y;
point["right"] = Json::Value(Json::objectValue);
point["right"]["X"] = existing_point.handle_right.X;
point["right"]["Y"] = existing_point.handle_right.Y;
// Append point to array
root.append(point);
root["Points"].append(existing_point.JsonValue());
}
root["Auto_Handle_Percentage"] = Auto_Handle_Percentage;
// return formatted json string
return root.toStyledString();
// return JsonValue
return root;
}
// Load JSON string into this object
void Keyframe::Json(string value) throw(InvalidJSON) {
// Parse JSON string into JSON objects
Json::Value root;
Json::Reader reader;
bool success = reader.parse( value, root );
if (!success)
// Raise exception
throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
try
{
// Set all values that match
Json(root);
}
catch (exception e)
{
// Error parsing JSON (or missing keys)
throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
}
}
// Load Json::JsonValue into this object
void Keyframe::Json(Json::Value root) {
// mark as dirty
needs_update = true;
// Clear existing points
Points.clear();
if (root["Points"] != Json::nullValue)
// loop through points, and find a matching coordinate
for (int x = 0; x < root["Points"].size(); x++) {
// Get each point
Json::Value existing_point = root["Points"][x];
// Create Point
Point p;
// Load Json into Point
p.Json(existing_point);
// Add Point to Keyframe
AddPoint(p);
}
if (root["Auto_Handle_Percentage"] != Json::nullValue)
Auto_Handle_Percentage = root["Auto_Handle_Percentage"].asBool();
}