31 #ifndef OPENSHOT_BRIGHTNESS_EFFECT_H 32 #define OPENSHOT_BRIGHTNESS_EFFECT_H 34 #include "../EffectBase.h" 43 #include "../Exceptions.h" 45 #include "../KeyFrame.h" 46 #include "../ReaderBase.h" 47 #include "../FFmpegReader.h" 48 #include "../QtImageReader.h" 49 #include "../ChunkReader.h" 64 void init_effect_details();
89 std::shared_ptr<Frame>
GetFrame(std::shared_ptr<Frame> frame, int64_t frame_number);
93 void SetJson(std::string value);
This abstract class is the base class, used by all effects in libopenshot.
Brightness()
Blank constructor, useful when using Json to load the effect properties.
void SetJsonValue(Json::Value root)
Load Json::JsonValue into this object.
Keyframe contrast
Contrast keyframe.
std::string PropertiesJSON(int64_t requested_frame)
Keyframe brightness
Brightness keyframe. A constant value here will prevent animation.
This class adjusts the brightness and contrast of an image, and can be animated with openshot::Keyfra...
void SetJson(std::string value)
Load JSON string 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...
This namespace is the default namespace for all code in the openshot library.
std::string Json()
Get and Set JSON methods.
A Keyframe is a collection of Point instances, which is used to vary a number or property over time...
Json::Value JsonValue()
Generate Json::JsonValue for this object.