28 #include "../../include/effects/Negate.h" 41 info.
description =
"Negates the colors, producing a negative of the image.";
48 std::shared_ptr<Frame>
Negate::GetFrame(std::shared_ptr<Frame> frame, int64_t frame_number)
51 frame->GetImage()->invertPixels();
81 bool success = reader.parse( value, root );
84 throw InvalidJSON(
"JSON could not be parsed (or is invalid)",
"");
94 throw InvalidJSON(
"JSON is invalid (missing keys or invalid data types)",
"");
111 root[
"id"] =
add_property_json(
"ID", 0.0,
"string",
Id(), NULL, -1, -1,
true, requested_frame);
112 root[
"position"] =
add_property_json(
"Position",
Position(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
114 root[
"start"] =
add_property_json(
"Start",
Start(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
115 root[
"end"] =
add_property_json(
"End",
End(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
116 root[
"duration"] =
add_property_json(
"Duration",
Duration(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
true, requested_frame);
119 return root.toStyledString();
void SetJsonValue(Json::Value root)
Load Json::JsonValue into this object.
float End()
Get end position (in seconds) of clip (trim end of video)
Json::Value add_property_json(string name, float value, string type, string memo, Keyframe *keyframe, float min_value, float max_value, bool readonly, int64_t requested_frame)
Generate JSON for a property.
int Layer()
Get layer of clip on timeline (lower number is covered by higher numbers)
Json::Value JsonValue()
Generate Json::JsonValue for this object.
string class_name
The class name of the effect.
virtual Json::Value JsonValue()=0
Generate Json::JsonValue for this object.
bool has_audio
Determines if this effect manipulates the audio of a frame.
string Id()
Get basic properties.
std::shared_ptr< Frame > GetFrame(std::shared_ptr< Frame > frame, int64_t frame_number)
This method is required for all derived classes of EffectBase, and returns a modified openshot::Frame...
float Position()
Get position on timeline (in seconds)
string name
The name of the effect.
string description
The description of this effect and what it does.
virtual void SetJsonValue(Json::Value root)=0
Load Json::JsonValue into this object.
Negate()
Default constructor.
This namespace is the default namespace for all code in the openshot library.
bool has_video
Determines if this effect manipulates the image of a frame.
Exception for invalid JSON.
string Json()
Get and Set JSON methods.
void SetJson(string value)
Load JSON string into this object.
float Duration()
Get the length of this clip (in seconds)
float Start()
Get start position (in seconds) of clip (trim start of video)
string PropertiesJSON(int64_t requested_frame)
EffectInfoStruct info
Information about the current effect.