OpenShot Library | libopenshot 0.3.3
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Negate.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_NEGATE_EFFECT_H
14#define OPENSHOT_NEGATE_EFFECT_H
15
16#include "../EffectBase.h"
17
18#include "../Frame.h"
19#include "../KeyFrame.h"
20
21#include <memory>
22#include <string>
23
24#include <QImage>
25
26namespace openshot
27{
28
34 class Negate : public EffectBase
35 {
36 public:
37
39 Negate();
40
47 std::shared_ptr<openshot::Frame> GetFrame(int64_t frame_number) override { return GetFrame(std::make_shared<openshot::Frame>(), frame_number); }
48
58 std::shared_ptr<openshot::Frame> GetFrame(std::shared_ptr<openshot::Frame> frame, int64_t frame_number) override;
59
60 // Get and Set JSON methods
61 std::string Json() const override;
62 void SetJson(const std::string value) override;
63 Json::Value JsonValue() const override;
64 void SetJsonValue(const Json::Value root) override;
65
66 // Get all properties for a specific frame
67 std::string PropertiesJSON(int64_t requested_frame) const override;
68 };
69
70}
71
72#endif
This abstract class is the base class, used by all effects in libopenshot.
Definition EffectBase.h:54
This class uses the ImageMagick++ libraries, to negate image (i.e. negative)
Definition Negate.h:35
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 Negate.h:47
void SetJson(const std::string value) override
Load JSON string into this object.
Definition Negate.cpp:62
Json::Value JsonValue() const override
Generate Json::Value for this object.
Definition Negate.cpp:51
Negate()
Default constructor.
Definition Negate.cpp:19
void SetJsonValue(const Json::Value root) override
Load Json::Value into this object.
Definition Negate.cpp:79
std::string Json() const override
Generate JSON string of this object.
Definition Negate.cpp:44
std::string PropertiesJSON(int64_t requested_frame) const override
Definition Negate.cpp:87
This namespace is the default namespace for all code in the openshot library.
Definition Compressor.h:29