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);
92 std::string
Json()
const override;
93 void SetJson(
const std::string value);
99 std::string
PropertiesJSON(int64_t requested_frame)
const override;
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.
Keyframe contrast
Contrast keyframe.
void SetJsonValue(const Json::Value root)
Load Json::Value into this object.
void SetJson(const std::string value)
Load JSON string into this object.
std::string PropertiesJSON(int64_t requested_frame) const override
std::string Json() const override
Get and Set JSON methods.
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...
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.
Json::Value JsonValue() const override
Generate Json::Value for this object.
A Keyframe is a collection of Point instances, which is used to vary a number or property over time...