OpenShot Library | libopenshot 0.3.3
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Brightness.h
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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
Header file for EffectBase class.
Header file for Frame class.
Header file for JSON class.
Header file for the Keyframe class.
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