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();
88 catch (
const std::exception& e)
91 throw InvalidJSON(
"JSON is invalid (missing keys or invalid data types)");
108 root[
"id"] =
add_property_json(
"ID", 0.0,
"string",
Id(), NULL, -1, -1,
true, requested_frame);
109 root[
"position"] =
add_property_json(
"Position",
Position(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
111 root[
"start"] =
add_property_json(
"Start",
Start(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
112 root[
"end"] =
add_property_json(
"End",
End(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
false, requested_frame);
113 root[
"duration"] =
add_property_json(
"Duration",
Duration(),
"float",
"", NULL, 0, 30 * 60 * 60 * 48,
true, requested_frame);
116 return root.toStyledString();
std::string Id() const
Get basic properties.
void SetJson(const std::string value)
Load JSON string into this object.
float Start() const
Get start position (in seconds) of clip (trim start of video)
std::string PropertiesJSON(int64_t requested_frame) const override
const Json::Value stringToJson(const std::string value)
bool has_audio
Determines if this effect manipulates the audio of a frame.
virtual void SetJsonValue(const Json::Value root)=0
Load Json::Value into this object.
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...
Json::Value JsonValue() const override
Generate Json::Value for this object.
std::string class_name
The class name of the effect.
std::string name
The name of the effect.
Negate()
Default constructor.
virtual Json::Value JsonValue() const =0
Generate Json::Value for this object.
float Duration() const
Get the length of this clip (in seconds)
void SetJsonValue(const Json::Value root)
Load Json::Value into this object.
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.
float Position() const
Get position on timeline (in seconds)
float End() const
Get end position (in seconds) of clip (trim end of video)
Json::Value add_property_json(std::string name, float value, std::string type, std::string memo, const Keyframe *keyframe, float min_value, float max_value, bool readonly, int64_t requested_frame) const
Generate JSON for a property.
std::string Json() const override
Get and Set JSON methods.
int Layer() const
Get layer of clip on timeline (lower number is covered by higher numbers)
EffectInfoStruct info
Information about the current effect.