
/*
 * CINELERRA
 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef GRADIENT_H
#define GRADIENT_H

class GradientMain;
class GradientEngine;
class GradientThread;
class GradientWindow;
class GradientServer;


#define MAXRADIUS 10000

#include "colorpicker.h"
#include "bchash.inc"
#include "filexml.inc"
#include "guicast.h"
#include "loadbalance.h"
#include "overlayframe.inc"
#include "bccolors.h"
#include "pluginvclient.h"
#include "thread.h"
#include "vframe.inc"

class GradientConfig
{
public:
	GradientConfig();

	int equivalent(GradientConfig &that);
	void reset();
	void copy_from(GradientConfig &that);
	void interpolate(GradientConfig &prev,
		GradientConfig &next,
		long prev_frame,
		long next_frame,
		long current_frame);
// Int to hex triplet conversion
	int get_in_color();
	int get_out_color();

// LINEAR or RADIAL
	int shape;
// LINEAR or LOG or SQUARE
	int rate;
	enum
	{
		LINEAR,
		RADIAL,
		LOG,
		SQUARE
	};


	double center_x;
	double center_y;
	double angle;
	double in_radius;
	double out_radius;
	int in_r, in_g, in_b, in_a;
	int out_r, out_g, out_b, out_a;
};


class GradientShape : public BC_PopupMenu
{
public:
	GradientShape(GradientMain *plugin,
		GradientWindow *gui,
		int x,
		int y);
	void create_objects();
	static char* to_text(int shape);
	static int from_text(char *text);
	int handle_event();
	GradientMain *plugin;
	GradientWindow *gui;
};


class GradientRate : public BC_PopupMenu
{
public:
	GradientRate(GradientMain *plugin,
		int x,
		int y);
	void create_objects();
	static char* to_text(int shape);
	static int from_text(char *text);
	int handle_event();
	GradientMain *plugin;
	GradientWindow *gui;
};

class GradientCenterX : public BC_FPot
{
public:
	GradientCenterX(GradientMain *plugin, int x, int y);
	int handle_event();
	GradientMain *plugin;
};

class GradientCenterY : public BC_FPot
{
public:
	GradientCenterY(GradientMain *plugin, int x, int y);
	int handle_event();
	GradientMain *plugin;
};

class GradientAngle : public BC_FPot
{
public:
	GradientAngle(GradientMain *plugin, int x, int y);
	int handle_event();
	GradientMain *plugin;
};

class GradientInRadius : public BC_FSlider
{
public:
	GradientInRadius(GradientMain *plugin, int x, int y);
	int handle_event();
	GradientMain *plugin;
};

class GradientOutRadius : public BC_FSlider
{
public:
	GradientOutRadius(GradientMain *plugin, int x, int y);
	int handle_event();
	GradientMain *plugin;
};

class GradientInColorButton : public ColorBoxButton
{
public:
	GradientInColorButton(GradientMain *plugin, GradientWindow *gui,
		int x, int y, int color, int alpha);
	~GradientInColorButton();

	int handle_new_color(int color, int alpha);
	void handle_done_event(int result);

	GradientMain *plugin;
	GradientWindow *gui;
	VFrame *vframes[3];
};

class GradientOutColorButton : public ColorBoxButton
{
public:
	GradientOutColorButton(GradientMain *plugin, GradientWindow *gui,
		int x, int y, int color, int alpha);
	~GradientOutColorButton();

	int handle_new_color(int color, int alpha);
	void handle_done_event(int result);

	GradientMain *plugin;
	GradientWindow *gui;
	VFrame *vframes[3];
};

class GradientReset : public BC_GenericButton
{
public:
	GradientReset(GradientMain *plugin, GradientWindow *window, int x, int y);
	int handle_event();
	GradientMain *plugin;
	GradientWindow *window;
};


class GradientWindow : public PluginClientWindow
{
public:
	GradientWindow(GradientMain *plugin);
	~GradientWindow();

	void create_objects();
	void update_gui();
	void update_shape();
	void done_event(int result);

	GradientMain *plugin;
	BC_Title *angle_title;
	GradientAngle *angle;
	GradientInRadius *in_radius;
	GradientOutRadius *out_radius;
	GradientInColorButton *in_color;
	GradientOutColorButton *out_color;
	GradientReset *reset;
	GradientShape *shape;
	BC_Title *shape_title;
	GradientCenterX *center_x;
	BC_Title *center_x_title;
	BC_Title *center_y_title;
	GradientCenterY *center_y;
	GradientRate *rate;
	int shape_x, shape_y;
};


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

	int process_buffer(VFrame *frame,
		int64_t start_position,
		double frame_rate);
	int is_realtime();
	void save_data(KeyFrame *keyframe);
	void read_data(KeyFrame *keyframe);
	void update_gui();
	int is_synthesis();
	int handle_opengl();

	PLUGIN_CLASS_MEMBERS(GradientConfig)

	int need_reconfigure;

	OverlayFrame *overlayer;
	VFrame *gradient;
	VFrame *input, *output;
	GradientServer *engine;
	float gradient_size;
	uint8_t *table;
	int table_size;
};

class GradientPackage : public LoadPackage
{
public:
	GradientPackage();
	int y1;
	int y2;
};

class GradientUnit : public LoadClient
{
public:
	GradientUnit(GradientServer *server, GradientMain *plugin);
	void process_package(LoadPackage *package);
	GradientServer *server;
	GradientMain *plugin;
};

class GradientServer : public LoadServer
{
public:
	GradientServer(GradientMain *plugin, int total_clients, int total_packages);
	void init_packages();
	LoadClient* new_client();
	LoadPackage* new_package();
	GradientMain *plugin;
};



#endif
