31 #include "../../include/effects/Negate.h" 44 info.
description =
"Negates the colors, producing a negative of the image.";
51 std::shared_ptr<Frame>
Negate::GetFrame(std::shared_ptr<Frame> frame, int64_t frame_number)
54 frame->GetImage()->invertPixels();
83 Json::CharReaderBuilder rbuilder;
84 Json::CharReader* reader(rbuilder.newCharReader());
87 bool success = reader->parse( value.c_str(),
88 value.c_str() + value.size(), &root, &errors );
93 throw InvalidJSON(
"JSON could not be parsed (or is invalid)");
100 catch (
const std::exception& e)
103 throw InvalidJSON(
"JSON is invalid (missing keys or invalid data types)");
120 root[
"id"] =
add_property_json(
"ID", 0.0,
"string",
Id(), NULL, -1, -1,
true, requested_frame);
121 root[
"position"] =
add_property_json(
"Position",
Position(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
123 root[
"start"] =
add_property_json(
"Start",
Start(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
124 root[
"end"] =
add_property_json(
"End",
End(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
125 root[
"duration"] =
add_property_json(
"Duration",
Duration(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
true, requested_frame);
128 return root.toStyledString();
void SetJsonValue(Json::Value root)
Load Json::JsonValue into this object.
std::string Json()
Get and Set JSON methods.
float End()
Get end position (in seconds) of clip (trim end of video)
int Layer()
Get layer of clip on timeline (lower number is covered by higher numbers)
void SetJson(std::string value)
Load JSON string into this object.
Json::Value JsonValue()
Generate Json::JsonValue for this object.
virtual Json::Value JsonValue()=0
Generate Json::JsonValue for this object.
bool has_audio
Determines if this effect manipulates the audio of a frame.
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...
std::string Id()
Get basic properties.
float Position()
Get position on timeline (in seconds)
virtual void SetJsonValue(Json::Value root)=0
Load Json::JsonValue into this object.
std::string class_name
The class name of the effect.
std::string name
The name of the effect.
Negate()
Default constructor.
Json::Value add_property_json(std::string name, float value, std::string type, std::string memo, Keyframe *keyframe, float min_value, float max_value, bool readonly, int64_t requested_frame)
Generate JSON for a property.
This namespace is the default namespace for all code in the openshot library.
std::string description
The description of this effect and what it does.
bool has_video
Determines if this effect manipulates the image of a frame.
Exception for invalid JSON.
std::string PropertiesJSON(int64_t requested_frame)
float Duration()
Get the length of this clip (in seconds)
float Start()
Get start position (in seconds) of clip (trim start of video)
EffectInfoStruct info
Information about the current effect.