/*

    viDOOM - level editor for DOOM

    Copyright (C) 2000  Ian Cowburn (ianc@noddybox.demon.co.uk)

    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

    -------------------------------------------------------------------------

    Test program for GFX interface
*/
static const char rcs_id[]="$Id$";

#include "config.h"
#include "globals.h"
#include <stdio.h>
#include <ctype.h>
#include "gfx.h"
#include "editvar.h"
#include "mem.h"

#define SCRW    640
#define SCRH    480

#define RND(x)	(rand()%(x))
#define RCOL	V_RGB(RND(255),RND(255),RND(255))

void TestPrint(void)
{
    int f;

    GFX_clear(BLACK);

    GFX_print(0,0,WHITE,"Top left");
    GFX_print(0,SCRH-GFX_fh(),WHITE,"Bottom left");
    GFX_print(SCRW-GFX_fw()*strlen("Top right"),0,WHITE,"Top right");
    GFX_print(SCRW-GFX_fw()*strlen("Bottom right"),
    		SCRH-GFX_fh(),WHITE,"Bottom right");

    for(f=1;f<4;f++)
        GFX_print(0,100+f*GFX_fh(),WHITE,"Row %d",f);

    GFX_redraw();
    GFX_waitkey(NULL);
}


void TestMouse(void)
{
    GFXEvent e;
    int q;
    int f;

    GFX_clear(BLACK);

    q=FALSE;

    while(!q)
    	{
	GFX_redraw();
	GFX_await_input_full(&e);

	switch(e.type)
	    {
	    case GFX_KEY_EVENT:
	        if (e.key.code==GFX_ESC)
		    q=TRUE;

	        if (e.key.code==GFX_ENTER)
		    GFX_clear(BLACK);
		break;

	    case GFX_MOUSE_EVENT:
		f=0;
	        if (e.mouse.b&GFX_BUTLEFT)
		    f|=0xff0000;
	        if (e.mouse.b&GFX_BUTMIDDLE)
		    f|=0xff00;
	        if (e.mouse.b&GFX_BUTRIGHT)
		    f|=0xff;

		if (f==0)
		    f=0x808080;

		GFX_frect(0,0,SCRW,GFX_fh(),BLACK);
		GFX_print(0,0,WHITE,"x:%-4d  y:%-4d  b:%c%c%c",
				e.mouse.x,e.mouse.y,
				e.mouse.b&GFX_BUTLEFT ? 'L':' ',
				e.mouse.b&GFX_BUTMIDDLE ? 'M':' ',
				e.mouse.b&GFX_BUTRIGHT ? 'R':' ');

		GFX_plot(e.mouse.x,e.mouse.y,f);
		break;
	    }
	}
}


void TestRect(void)
{
    int f,w;
    int ox,oy;

    ox=20;
    oy=100;

    for(w=3;w>-4;w--)
    	{
	GFX_clear(BLACK);

	GFX_print(0,0,WHITE,"Width/height %d",w);

	for(f=0;f<5;f++)
	    {
	    GFX_plot(ox+f*20,oy+20,WHITE);
	    GFX_rect(ox+f*20+10,oy+20,w,w,WHITE);

	    GFX_plot(ox+f*20,oy+40,WHITE);
	    GFX_frect(ox+f*20+10,oy+40,w,w,WHITE);

	    GFX_plot(ox+f*20,oy+60,WHITE);
	    GFX_rect(ox+f*20+10,oy+60,w,w*2,WHITE);

	    GFX_plot(ox+f*20,oy+80,WHITE);
	    GFX_frect(ox+f*20+10,oy+80,w,w*2,WHITE);

	    GFX_plot(ox+f*20,oy+100,WHITE);
	    GFX_rect(ox+f*20+10,oy+100,w*2,w,WHITE);

	    GFX_plot(ox+f*20,oy+120,WHITE);
	    GFX_frect(ox+f*20+10,oy+120,w*2,w,WHITE);
	    }

	GFX_redraw();
	GFX_waitkey(NULL);
	}
}


void TestRotate(void)
{
    GFXEvent e;
    int q;
    int x1,y1,x2,y2;

    GFX_clear(BLACK);

    q=FALSE;
    x1=200;
    y1=0;
    x2=0;
    y2=-190;

    while(!q)
    	{
	GFX_redraw();
	GFX_await_input_full(&e);

	switch(e.type)
	    {
	    case GFX_KEY_EVENT:
	        if (e.key.code==GFX_ESC)
		    q=TRUE;

	        if (e.key.code==GFX_ENTER)
		    GFX_clear(BLACK);
		break;

	    case GFX_MOUSE_EVENT:
		Rotate(0,0,&x1,&y1,10.0);
		Rotate(0,0,&x2,&y2,-10.0);

		GFX_plot(e.mouse.x+x1,e.mouse.y+y1,RCOL);
		GFX_plot(e.mouse.x+x2,e.mouse.y+y2,RCOL);
		break;
	    }
	}
}


void TestScale(void)
{
    GFXEvent e;
    int q;
    int f;
    int x,y;

    GFX_clear(BLACK);

    q=FALSE;
    x=10;
    y=10;
    f=0;

    while(!q)
    	{
	GFX_redraw();
	GFX_await_input_full(&e);

	switch(e.type)
	    {
	    case GFX_KEY_EVENT:
	        if (e.key.code==GFX_ESC)
		    q=TRUE;

	        if (e.key.code==GFX_ENTER)
		    GFX_clear(BLACK);
		break;

	    case GFX_MOUSE_EVENT:
		if (((f++)%20)>10)
		    Scale(0,0,&x,&y,0.9);
		else
		    Scale(0,0,&x,&y,1.1);

		GFX_plot(e.mouse.x+x,e.mouse.y+y,RCOL);
		break;
	    }
	}
}


void TestDim(void)
{
    GFX_clear(BLACK);

    GFX_line(0,0,SCRW-1,0,WHITE);
    GFX_line(0,SCRH-1,SCRW-1,SCRH-1,WHITE);

    GFX_line(0,0,0,SCRH-1,WHITE);
    GFX_line(SCRW-1,0,SCRW-1,SCRH-1,WHITE);

    GFX_line(0,0,SCRW-1,SCRH-1,WHITE);
    GFX_line(SCRW-1,0,0,SCRH-1,WHITE);

    GFX_print(20,SCRH/2,WHITE,"GFX_line()");

    GFX_redraw();
    GFX_waitkey(NULL);

    GFX_clear(BLACK);

    GFX_rect(0,0,SCRW,SCRH,WHITE);
    GFX_print(20,SCRH/2,WHITE,"GFX_rect()");

    GFX_redraw();
    GFX_waitkey(NULL);

    GFX_clear(BLACK);

    GFX_frect(0,0,SCRW,SCRH,RED);
    GFX_print(20,SCRH/2,WHITE,"GFX_frect()");

    GFX_redraw();
    GFX_waitkey(NULL);
}


void TestCol(void)
{
    GFX_clear(BLACK);

    GFX_frect(0,0,SCRW,10,WHITE);
    GFX_print(0,10,WHITE,"WHITE");

    GFX_frect(0,20,SCRW,10,RED);
    GFX_print(0,30,RED,"RED");

    GFX_frect(0,40,SCRW,10,BLUE);
    GFX_print(0,50,BLUE,"BLUE");

    GFX_frect(0,60,SCRW,10,GREEN);
    GFX_print(0,70,GREEN,"GREEN");

    GFX_frect(0,80,SCRW,10,GREY(128));
    GFX_print(0,90,GREY(128),"GREY(128)");

    GFX_redraw();
    GFX_waitkey(NULL);
}

static void TestDraw(void)
{
    int f;

    GFX_clear(BLACK);

    for(f=0;f<100;f++)
    	GFX_plot(f,10,WHITE);
    GFX_print(0,22,WHITE,"GFX_plot()");

    GFX_line(0,40,99,40,WHITE);
    GFX_print(0,42,WHITE,"GFX_line()");

    GFX_rect(0,60,100,10,WHITE);
    GFX_print(0,70,WHITE,"GFX_rect()");

    GFX_frect(0,80,100,10,WHITE);
    GFX_print(0,90,WHITE,"GFX_frect()");

    GFX_circle(50,150,50,WHITE);
    GFX_print(50,150,WHITE,"GFX_circle()");

    GFX_fcircle(50,250,50,GREEN);
    GFX_print(50,250,WHITE,"GFX_fircle()");

    for(f=101;f>=99;f--)
    	{
	GFX_line(f,0,f,100,RED);
	GFX_redraw();
	GFX_waitkey(NULL);
	}
}


static void TestBm(void)
{
    static unsigned char data[64]=
				    {
					0,0,0,0,0,0,0,0,
					0,1,1,1,1,1,1,0,
					0,1,2,2,0,0,1,0,
					0,1,2,2,0,0,1,1,
					0,1,0,0,2,2,1,1,
					0,1,0,0,2,2,1,0,
					0,1,1,1,1,1,1,0,
					0,0,0,1,1,0,0,0,
				    };
    GFX_IMAGE i;
    GFX_BITMAP bm;
    int f;

    bm.w=8;
    bm.h=8;
    bm.pal[0]=BLACK;
    bm.pal[1]=RED;
    bm.pal[2]=WHITE;
    bm.data=data;

    i=GFX_create_image(&bm);
    GFX_clear(GREEN);

    for(f=0;f<100;f++)
	{
    	GFX_draw_image(i,f,f);
	GFX_redraw();
	}

    GFX_waitkey(NULL);
    GFX_fill_screen(i);
    GFX_redraw();
    GFX_waitkey(NULL);

    GFX_destroy_image(i);
}


int viDOOM(int argc,char *argv[])
{
    static struct
    	{
	char	*t;
	char	k;
	void	(*func)(void);
	} test[]= {
		    {"Test printing",'P',TestPrint},
		    {"Test mouse",'M',TestMouse},
		    {"Test rectangles",'B',TestRect},
		    {"Test screen dimensions",'D',TestDim},
		    {"Test EDIT Rotate",'R',TestRotate},
		    {"Test EDIT Scale",'S',TestScale},
		    {"Test colours",'C',TestCol},
		    {"Test drawing",'G',TestDraw},
		    {"Test bitmap",'X',TestBm},
		    {NULL,0,NULL}
		  };

    GFXKey k;
    int quit;
    int f;

    GFX_init();
    GFX_open(SCRW,SCRH);

    quit=FALSE;

    while(!quit)
    	{
	GFX_clear(BLACK);
	GFX_print(0,0,RED,"Select (ESC quit):");

	f=0;
	while(test[f].t)
	    {
	    GFX_print(0,GFX_fh()*(f+2),WHITE,"%c - %s",test[f].k,test[f].t);
	    f++;
	    }

	GFX_redraw();
	GFX_waitkey(&k);

	if (k.code==GFX_ESC)
	    quit=TRUE;
	else
	    {
	    f=0;
	    while(test[f].t)
		{
		if (toupper(k.ascii)==test[f].k)
		    test[f].func();
		f++;
		}
	    }
	}

    return(EXIT_SUCCESS);
}