/*
 * 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
 *
 */

#include "bcdisplayinfo.h"
#include "bchash.h"
#include "edl.inc"
#include "filexml.h"
#include "language.h"
#include "overlayframe.h"
#include "vframe.h"
#include "wipe.h"


#include <stdint.h>
#include <string.h>


REGISTER_PLUGIN(WipeMain)





WipeLeft::WipeLeft(WipeMain *plugin,
	WipeWindow *window,
	int x,
	int y)
 : BC_Radial(x,
		y,
		plugin->direction == 0,
		_("Left"))
{
	this->plugin = plugin;
	this->window = window;
}

int WipeLeft::handle_event()
{
	update(1);
	plugin->direction = 0;
	window->right->update(0);
	plugin->send_configure_change();
	return 0;
}

WipeRight::WipeRight(WipeMain *plugin,
	WipeWindow *window,
	int x,
	int y)
 : BC_Radial(x,
		y,
		plugin->direction == 1,
		_("Right"))
{
	this->plugin = plugin;
	this->window = window;
}

int WipeRight::handle_event()
{
	update(1);
	plugin->direction = 1;
	window->left->update(0);
	plugin->send_configure_change();
	return 0;
}








WipeWindow::WipeWindow(WipeMain *plugin)
 : PluginClientWindow(plugin,
	320,
	50,
	320,
	50,
	0)
{
	this->plugin = plugin;
}




void WipeWindow::create_objects()
{
	int x = 10, y = 10;
	add_subwindow(new BC_Title(x, y, _("Direction:")));
	x += 100;
	add_subwindow(left = new WipeLeft(plugin,
		this,
		x,
		y));
	x += 100;
	add_subwindow(right = new WipeRight(plugin,
		this,
		x,
		y));
	show_window();
	flush();
}










WipeMain::WipeMain(PluginServer *server)
 : PluginVClient(server)
{
	direction = 0;

}

WipeMain::~WipeMain()
{

}

const char* WipeMain::plugin_title() { return N_("Wipe"); }
int WipeMain::is_video() { return 1; }
int WipeMain::is_transition() { return 1; }
int WipeMain::uses_gui() { return 1; }

NEW_WINDOW_MACRO(WipeMain, WipeWindow)


void WipeMain::save_data(KeyFrame *keyframe)
{
	FileXML output;
	output.set_shared_output(keyframe->xbuf);
	output.tag.set_title("WIPE");
	output.tag.set_property("DIRECTION", direction);
	output.append_tag();
	output.tag.set_title("/WIPE");
	output.append_tag();
	output.append_newline();
	output.terminate_string();
}

void WipeMain::read_data(KeyFrame *keyframe)
{
	FileXML input;

	input.set_shared_input(keyframe->xbuf);

	while(!input.read_tag())
	{
		if(input.tag.title_is("WIPE"))
		{
			direction = input.tag.get_property("DIRECTION", direction);
		}
	}
}

int WipeMain::load_configuration()
{
	read_data(get_prev_keyframe(get_source_position()));
	return 1;
}






#define WIPE(type, components) \
{ \
	if(direction == 0) \
	{ \
		for(int j = 0; j < h; j++) \
		{ \
			type *in_row = (type*)incoming->get_rows()[j]; \
			type *out_row = (type*)outgoing->get_rows()[j]; \
			int x = incoming->get_w() *  \
				PluginClient::get_source_position() /  \
				PluginClient::get_total_len(); \
 \
			for(int k = 0; k < x; k++) \
			{ \
				out_row[k * components + 0] = in_row[k * components + 0]; \
				out_row[k * components + 1] = in_row[k * components + 1]; \
				out_row[k * components + 2] = in_row[k * components + 2]; \
				if(components == 4) out_row[k * components + 3] = in_row[k * components + 3]; \
			} \
		} \
	} \
	else \
	{ \
		for(int j = 0; j < h; j++) \
		{ \
			type *in_row = (type*)incoming->get_rows()[j]; \
			type *out_row = (type*)outgoing->get_rows()[j]; \
			int x = incoming->get_w() - incoming->get_w() *  \
				PluginClient::get_source_position() /  \
				PluginClient::get_total_len(); \
 \
			for(int k = x; k < w; k++) \
			{ \
				out_row[k * components + 0] = in_row[k * components + 0]; \
				out_row[k * components + 1] = in_row[k * components + 1]; \
				out_row[k * components + 2] = in_row[k * components + 2]; \
				if(components == 4) out_row[k * components + 3] = in_row[k * components + 3]; \
			} \
		} \
	} \
}





int WipeMain::process_realtime(VFrame *incoming, VFrame *outgoing)
{
	load_configuration();

	int w = incoming->get_w();
	int h = incoming->get_h();


	switch(incoming->get_color_model())
	{
		case BC_RGB_FLOAT:
			WIPE(float, 3)
			break;
		case BC_RGB888:
		case BC_YUV888:
			WIPE(unsigned char, 3)
			break;
		case BC_RGBA_FLOAT:
			WIPE(float, 4)
			break;
		case BC_RGBA8888:
		case BC_YUVA8888:
			WIPE(unsigned char, 4)
			break;
		case BC_RGB161616:
		case BC_YUV161616:
			WIPE(uint16_t, 3)
			break;
		case BC_RGBA16161616:
		case BC_YUVA16161616:
			WIPE(uint16_t, 4)
			break;
	}
	return 0;
}