vtrack.h

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#ifndef VTRACK_H
#define VTRACK_H

#include "arraylist.h"
#include "autoconf.inc"
#include "edl.inc"
#include "filexml.inc"
#include "floatautos.inc"
#include "linklist.h"
#include "track.h"
#include "vedit.inc"
#include "vframe.inc"

// CONVERTS FROM SAMPLES TO FRAMES



class VTrack : public Track
{
public:
        VTrack(EDL *edl, Tracks *tracks);
        ~VTrack();

        int create_objects();
        int load_defaults(Defaults *defaults);
        void set_default_title();
        PluginSet* new_plugins();
        int channel_is_playable(int64_t position, int direction, int *do_channel);
        int save_header(FileXML *file);
        int save_derived(FileXML *file);
        int load_header(FileXML *file, uint32_t load_flags);
        int load_derived(FileXML *file, uint32_t load_flags);
        int copy_settings(Track *track);
        void synchronize_params(Track *track);
        int64_t to_units(double position, int round);
        double to_doubleunits(double position);
        double from_units(int64_t position);

        void calculate_input_transfer(Asset *asset, int64_t position, int direction, 
                float &in_x, float &in_y, float &in_w, float &in_h,
                float &out_x, float &out_y, float &out_w, float &out_h);

        void calculate_output_transfer(int channel, int64_t position, int direction, 
                float &in_x, float &in_y, float &in_w, float &in_h,
                float &out_x, float &out_y, float &out_w, float &out_h);

        int vertical_span(Theme *theme);
        
        
        
        
        
        
        
// ====================================== initialization
        VTrack() {};
        int create_derived_objs(int flash);


// ===================================== rendering

        int get_projection(int channel, 
                float &in_x1, 
                float &in_y1, 
                float &in_x2, 
                float &in_y2, 
                float &out_x1, 
                float &out_y1, 
                float &out_x2, 
                float &out_y2, 
                int frame_w, 
                int frame_h, 
                int64_t real_position, 
                int direction);
// Give whether compressed data can be copied directly from the track to the output file
        int direct_copy_possible(int64_t current_frame, int direction, int use_nudge);


// ===================================== editing

        int copy_derived(int64_t start, int64_t end, FileXML *xml);
        int paste_derived(int64_t start, int64_t end, int64_t total_length, FileXML *xml, int &current_channel);
// use samples for paste_output
        int paste_output(int64_t startproject, int64_t endproject, int64_t startsource, int64_t endsource, int layer, Asset *asset);
        int clear_derived(int64_t start, int64_t end);
        int copy_automation_derived(AutoConf *auto_conf, int64_t start, int64_t end, FileXML *xml);
        int paste_automation_derived(int64_t start, int64_t end, int64_t total_length, FileXML *xml, int shift_autos, int &current_pan);
        int clear_automation_derived(AutoConf *auto_conf, int64_t start, int64_t end, int shift_autos = 1);
        int modify_handles(int64_t oldposition, int64_t newposition, int currentend);
        int draw_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf);
        int draw_floating_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf, int flash);
        int select_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y);
        int move_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y, int shift_down);
        void translate(float offset_x, float offset_y, int do_camera);

// ===================================== for handles, titles, etc

// rounds up to integer frames for editing
        int identical(int64_t sample1, int64_t sample2);
// no rounding for drawing
        int get_dimensions(double &view_start, 
                double &view_units, 
                double &zoom_units);

private:
};

#endif

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