/*
 * 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 "bandslide.h"
#include "bcdisplayinfo.h"
#include "bchash.h"
#include "edl.inc"
#include "filexml.h"
#include "language.h"
#include "overlayframe.h"
#include "vframe.h"


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






REGISTER_PLUGIN(BandSlideMain)





BandSlideCount::BandSlideCount(BandSlideMain *plugin,
	BandSlideWindow *window,
	int x,
	int y)
 : BC_TumbleTextBox(window,
		(int64_t)plugin->bands,
		(int64_t)0,
		(int64_t)1000,
		x,
		y,
		50)
{
	this->plugin = plugin;
	this->window = window;
}

int BandSlideCount::handle_event()
{
	plugin->bands = atol(get_text());
	plugin->send_configure_change();
	return 0;
}

BandSlideIn::BandSlideIn(BandSlideMain *plugin,
	BandSlideWindow *window,
	int x,
	int y)
 : BC_Radial(x,
		y,
		plugin->direction == 0,
		_("In"))
{
	this->plugin = plugin;
	this->window = window;
}

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

BandSlideOut::BandSlideOut(BandSlideMain *plugin,
	BandSlideWindow *window,
	int x,
	int y)
 : BC_Radial(x,
		y,
		plugin->direction == 1,
		_("Out"))
{
	this->plugin = plugin;
	this->window = window;
}

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








BandSlideWindow::BandSlideWindow(BandSlideMain *plugin)
 : PluginClientWindow(plugin,
	320,
	100,
	320,
	100,
	0)
{
	this->plugin = plugin;
}


void BandSlideWindow::create_objects()
{
	int x = 10, y = 10;
	add_subwindow(new BC_Title(x, y, _("Bands:")));
	x += 50;
	count = new BandSlideCount(plugin,
		this,
		x,
		y);
	count->create_objects();

	y += 30;
	x = 10;
	add_subwindow(new BC_Title(x, y, _("Direction:")));
	x += 100;
	add_subwindow(in = new BandSlideIn(plugin,
		this,
		x,
		y));
	x += 100;
	add_subwindow(out = new BandSlideOut(plugin,
		this,
		x,
		y));

	show_window();
	flush();
}










BandSlideMain::BandSlideMain(PluginServer *server)
 : PluginVClient(server)
{
	bands = 9;
	direction = 0;

}

BandSlideMain::~BandSlideMain()
{

}

const char* BandSlideMain::plugin_title() { return _("BandSlide"); }
int BandSlideMain::is_transition() { return 1; }
int BandSlideMain::uses_gui() { return 1; }

NEW_WINDOW_MACRO(BandSlideMain, BandSlideWindow);


void BandSlideMain::save_data(KeyFrame *keyframe)
{
	FileXML output;
	output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
	output.tag.set_title("BANDSLIDE");
	output.tag.set_property("BANDS", bands);
	output.tag.set_property("DIRECTION", direction);
	output.append_tag();
	output.tag.set_title("/BANDSLIDE");
	output.append_tag();
	output.append_newline();
	output.terminate_string();
}

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

	input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));

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

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



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



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

	int w = incoming->get_w();
	int h = incoming->get_h();
	int band_h = ((bands == 0) ? h : (h / bands + 1));

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

	return 0;
}