hvirtual/plugins/gamma/gamma.h

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#ifndef LINEARIZE_H
#define LINEARIZE_H

class GammaEngine;
class GammaMain;

#include "gammawindow.h"
#include "loadbalance.h"
#include "plugincolors.h"
#include "guicast.h"
#include "pluginvclient.h"
#include "thread.h"

#define HISTOGRAM_SIZE 256

class GammaConfig
{
public:
        GammaConfig();

        int equivalent(GammaConfig &that);
        void copy_from(GammaConfig &that);
        void interpolate(GammaConfig &prev, 
                GammaConfig &next, 
                int64_t prev_frame, 
                int64_t next_frame, 
                int64_t current_frame);

        float max;
        float gamma;
        int automatic;
// Plot histogram
        int plot;
};

class GammaPackage : public LoadPackage
{
public:
        GammaPackage();
        int start, end;
};

class GammaUnit : public LoadClient
{
public:
        GammaUnit(GammaMain *plugin);
        void process_package(LoadPackage *package);
        GammaMain *plugin;
        int accum[HISTOGRAM_SIZE];
};

class GammaEngine : public LoadServer
{
public:
        GammaEngine(GammaMain *plugin);

        void process_packages(int operation, VFrame *data);
        void init_packages();
        LoadClient* new_client();
        LoadPackage* new_package();
        VFrame *data;
        int operation;
        enum
        {
                HISTOGRAM,
                APPLY
        };
        GammaMain *plugin;
        int accum[HISTOGRAM_SIZE];
};

class GammaMain : public PluginVClient
{
public:
        GammaMain(PluginServer *server);
        ~GammaMain();

// required for all realtime plugins
        int process_buffer(VFrame *frame,
                int64_t start_position,
                double frame_rate);
        void calculate_max(VFrame *frame);
        int is_realtime();
        void update_gui();
        void save_data(KeyFrame *keyframe);
        void read_data(KeyFrame *keyframe);
        int load_defaults();
        int save_defaults();
        void render_gui(void *data);
        int handle_opengl();

        GammaEngine *engine;
        VFrame *frame;

        PLUGIN_CLASS_MEMBERS(GammaConfig, GammaThread)
};



#endif

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