OpenShot Library | libopenshot 0.3.3
Loading...
Searching...
No Matches
Brightness.h
Go to the documentation of this file.
1
9// Copyright (c) 2008-2019 OpenShot Studios, LLC
10//
11// SPDX-License-Identifier: LGPL-3.0-or-later
12
13#ifndef OPENSHOT_BRIGHTNESS_EFFECT_H
14#define OPENSHOT_BRIGHTNESS_EFFECT_H
15
16#include "../EffectBase.h"
17
18#include "../Frame.h"
19#include "../Json.h"
20#include "../KeyFrame.h"
21
22#include <memory>
23#include <string>
24
25namespace openshot
26{
27
34 class Brightness : public EffectBase
35 {
36 private:
38 void init_effect_details();
39
40 public:
43
45 Brightness();
46
48 // contrast of a frame's image.
52 Brightness(Keyframe new_brightness, Keyframe new_contrast);
53
60 std::shared_ptr<openshot::Frame> GetFrame(int64_t frame_number) override { return GetFrame(std::make_shared<openshot::Frame>(), frame_number); }
61
71 std::shared_ptr<openshot::Frame> GetFrame(std::shared_ptr<openshot::Frame> frame, int64_t frame_number) override;
72
73 // Get and Set JSON methods
74 std::string Json() const override;
75 void SetJson(const std::string value) override;
76 Json::Value JsonValue() const override;
77 void SetJsonValue(const Json::Value root) override;
78
81 std::string PropertiesJSON(int64_t requested_frame) const override;
82 };
83
84}
85
86#endif
This class adjusts the brightness and contrast of an image, and can be animated with openshot::Keyfra...
Definition Brightness.h:35
Keyframe brightness
Brightness keyframe. A constant value here will prevent animation.
Definition Brightness.h:41
std::string Json() const override
Generate JSON string of this object.
Keyframe contrast
Contrast keyframe.
Definition Brightness.h:42
std::shared_ptr< openshot::Frame > GetFrame(int64_t frame_number) override
This method is required for all derived classes of ClipBase, and returns a new openshot::Frame object...
Definition Brightness.h:60
void SetJsonValue(const Json::Value root) override
Load Json::Value into this object.
Json::Value JsonValue() const override
Generate Json::Value for this object.
std::string PropertiesJSON(int64_t requested_frame) const override
Brightness()
Blank constructor, useful when using Json to load the effect properties.
void SetJson(const std::string value) override
Load JSON string into this object.
This abstract class is the base class, used by all effects in libopenshot.
Definition EffectBase.h:54
A Keyframe is a collection of Point instances, which is used to vary a number or property over time.
Definition KeyFrame.h:53
This namespace is the default namespace for all code in the openshot library.
Definition Compressor.h:29