OpenShot Library | libopenshot
0.2.5
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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;
std::string PropertiesJSON(int64_t requested_frame) const override
This abstract class is the base class, used by all effects in libopenshot.
void SetJsonValue(const Json::Value root)
Load Json::Value into this object.
void SetJson(const std::string value)
Load JSON string into this object.
This namespace is the default namespace for all code in the openshot library.
std::string Json() const override
Get and Set JSON methods.
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 class adjusts the brightness and contrast of an image, and can be animated with openshot::Keyfra...
Keyframe brightness
Brightness keyframe. A constant value here will prevent animation.
A Keyframe is a collection of Point instances, which is used to vary a number or property over time.
Json::Value JsonValue() const override
Generate Json::Value for this object.
Brightness()
Blank constructor, useful when using Json to load the effect properties.
Keyframe contrast
Contrast keyframe.