merged fxrestructure
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itsmattkc
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/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef EFFECT_H
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#define EFFECT_H
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#include <memory>
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#include <QObject>
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#include <QString>
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#include <QVector>
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#include <QColor>
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#include <QOpenGLFunctions>
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#include <QOpenGLShaderProgram>
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#include <QOpenGLTexture>
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#include <QMutex>
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#include <QThread>
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#include <QLabel>
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#include <QWidget>
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#include <QGridLayout>
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#include <QPushButton>
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#include <QMouseEvent>
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#include <QXmlStreamReader>
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#include <QXmlStreamWriter>
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#include <random>
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#include "ui/collapsiblewidget.h"
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#include "ui/checkboxex.h"
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#include "effectrow.h"
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#include "effectgizmo.h"
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class Clip;
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class Effect;
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using EffectPtr = std::shared_ptr<Effect>;
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struct EffectMeta {
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QString name;
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QString category;
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QString filename;
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QString path;
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QString tooltip;
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int internal;
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int type;
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int subtype;
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};
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struct BlendMode {
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QString name;
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QString url;
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QString function_name;
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bool loaded;
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};
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namespace olive {
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extern QVector<EffectMeta> effects;
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extern QVector<BlendMode> blend_modes;
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// TODO weird place to put this?
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extern QString generated_blending_shader;
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}
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double log_volume(double linear);
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enum EffectType {
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EFFECT_TYPE_INVALID,
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EFFECT_TYPE_VIDEO,
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EFFECT_TYPE_AUDIO,
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EFFECT_TYPE_EFFECT,
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EFFECT_TYPE_TRANSITION
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};
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enum EffectKeyframeType {
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EFFECT_KEYFRAME_LINEAR,
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EFFECT_KEYFRAME_BEZIER,
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EFFECT_KEYFRAME_HOLD
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};
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enum EffectInternal {
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EFFECT_INTERNAL_TRANSFORM,
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EFFECT_INTERNAL_TEXT,
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EFFECT_INTERNAL_SOLID,
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EFFECT_INTERNAL_NOISE,
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EFFECT_INTERNAL_VOLUME,
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EFFECT_INTERNAL_PAN,
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EFFECT_INTERNAL_TONE,
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EFFECT_INTERNAL_SHAKE,
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EFFECT_INTERNAL_TIMECODE,
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EFFECT_INTERNAL_MASK,
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EFFECT_INTERNAL_FILLLEFTRIGHT,
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EFFECT_INTERNAL_VST,
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EFFECT_INTERNAL_CORNERPIN,
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EFFECT_INTERNAL_FREI0R,
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EFFECT_INTERNAL_RICHTEXT,
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EFFECT_INTERNAL_COUNT
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};
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struct GLTextureCoords {
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int grid_size;
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int vertexTopLeftX;
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int vertexTopLeftY;
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int vertexTopLeftZ;
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int vertexTopRightX;
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int vertexTopRightY;
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int vertexTopRightZ;
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int vertexBottomLeftX;
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int vertexBottomLeftY;
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int vertexBottomLeftZ;
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int vertexBottomRightX;
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int vertexBottomRightY;
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int vertexBottomRightZ;
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float textureTopLeftX;
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float textureTopLeftY;
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float textureTopLeftQ;
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float textureTopRightX;
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float textureTopRightY;
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float textureTopRightQ;
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float textureBottomRightX;
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float textureBottomRightY;
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float textureBottomRightQ;
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float textureBottomLeftX;
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float textureBottomLeftY;
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float textureBottomLeftQ;
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int blendmode;
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float opacity;
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};
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const EffectMeta* get_meta_from_name(const QString& input);
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qint16 mix_audio_sample(qint16 a, qint16 b);
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class Effect : public QObject {
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Q_OBJECT
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public:
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Effect(Clip *c, const EffectMeta* em);
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~Effect();
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Clip* parent_clip;
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const EffectMeta* meta;
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int id;
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QString name;
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void AddRow(EffectRow* row);
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EffectRow* row(int i);
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int row_count();
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EffectGizmo* add_gizmo(int type);
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EffectGizmo* gizmo(int i);
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int gizmo_count();
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bool IsEnabled();
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virtual void refresh();
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virtual EffectPtr copy(Clip* c);
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void copy_field_keyframes(EffectPtr e);
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virtual void load(QXmlStreamReader& stream);
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virtual void custom_load(QXmlStreamReader& stream);
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virtual void save(QXmlStreamWriter& stream);
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void load_from_string(const QByteArray &s);
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QByteArray save_to_string();
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// glsl handling
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bool is_open();
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void open();
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void close();
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bool is_glsl_linked();
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virtual void startEffect();
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virtual void endEffect();
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enum VideoEffectFlags {
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ShaderFlag = 0x1,
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CoordsFlag = 0x2,
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SuperimposeFlag = 0x4,
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ImageFlag = 0x8
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};
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int Flags();
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void SetFlags(int flags);
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int getIterations();
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void setIterations(int i);
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const char* ffmpeg_filter;
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virtual void process_image(double timecode, uint8_t* input, uint8_t* output, int size);
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virtual void process_shader(double timecode, GLTextureCoords&, int iteration);
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virtual void process_coords(double timecode, GLTextureCoords& coords, int data);
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virtual GLuint process_superimpose(double timecode);
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virtual void process_audio(double timecode_start, double timecode_end, quint8* samples, int nb_bytes, int channel_count);
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virtual void gizmo_draw(double timecode, GLTextureCoords& coords);
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void gizmo_move(EffectGizmo* sender, int x_movement, int y_movement, double timecode, bool done);
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void gizmo_world_to_screen();
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bool are_gizmos_enabled();
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template <typename T>
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T randomNumber()
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{
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static std::random_device device;
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static std::mt19937 generator(device());
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static std::uniform_int_distribution<> distribution(std::numeric_limits<T>::min(), std::numeric_limits<T>::max());
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return distribution(generator);
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}
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static EffectPtr Create(Clip *c, const EffectMeta *em);
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static const EffectMeta* GetInternalMeta(int internal_id, int type);
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public slots:
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void FieldChanged();
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void SetEnabled(bool b);
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signals:
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void EnabledChanged(bool);
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private slots:
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void delete_self();
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void move_up();
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void move_down();
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void save_to_file();
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void load_from_file();
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protected:
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// glsl effect
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QOpenGLShaderProgram* glslProgram;
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QString vertPath;
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QString fragPath;
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// superimpose effect
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QImage img;
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QOpenGLTexture* texture;
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// enable effect to update constantly
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virtual bool AlwaysUpdate();
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private:
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bool isOpen;
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QVector<EffectRow*> rows;
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QVector<EffectGizmo*> gizmos;
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bool bound;
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int iterations;
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bool enabled_;
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int flags_;
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QVector<KeyframeDataChange*> gizmo_dragging_actions_;
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// superimpose functions
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virtual void redraw(double timecode);
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bool valueHasChanged(double timecode);
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QVector<QVariant> cachedValues;
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void delete_texture();
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void validate_meta_path();
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};
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#endif // EFFECT_H
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