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font.c
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font.c
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/***********************************************************
* K O U L E S *
*----------------------------------------------------------*
* C1995 JAHUSOFT *
* Jan Hubicka *
* Dukelskych Bojovniku 1944 *
* 390 03 Tabor *
* Czech Republic *
* Phone: 0041-36-132613 *
* eMail: [email protected] *
*----------------------------------------------------------*
* Copyright(c)1995,1996 by Jan Hubicka.See README for *
* licence details. *
*----------------------------------------------------------*
* font.c font for the STARWARS SCROLLER *
***********************************************************/
/* this file was ripped from: */
/* Zgv v2.5 - GIF, JPEG and PBM/PGM/PPM viewer, for VGA PCs running Linux.
* Copyright (C) 1993-1995 Russell Marks. See README for license details.
*
* font.c - provides a font of sorts for use via svgalib
* modified for starwars scroler by Jan hubicka ([email protected])
*/
/* it's all hard-coded a bit ugly and prasarna!, so you probably won't want
* much to look at it (hint) :)
*/
#include <stdio.h>
#include <string.h>
#include "font.h"
#include "koules.h"
/*following routines are ripped from vgagl library */
/* We use the 32-bit to 64-bit multiply and 64-bit to 32-bit divide of the */
/* 386 (which gcc doesn't know well enough) to efficiently perform integer */
/* scaling without having to worry about overflows. */
//DKS #ifdef FAST_WIDELINE
//#define swap(x, y) { int temp = x; x = y; y = temp; }
//#define setpixel (*(backscreen->ff.driver_setpixel_func))
//#undef __clipx2
//#define __clipx2 (MAPWIDTH-3)
//#undef __clipx1
//#define __clipx1 0
//#undef __clipy1
//#define __clipy1 0
//#undef __clipy2
//#define __clipy2 (MAPHEIGHT+19)
//DKS - removed excess non-ARM/MIPS stuff
//#if defined(__i386__)&&defined(ASSEMBLY)
//static INLINE int
//muldiv64 (int CONST m1, int CONST m2, int CONST d)
//{
///* int32 * int32 -> int64 / int32 -> int32 */
// int result;
// __asm__ (
// "imull %%edx\n\t"
// "idivl %3\n\t"
//: "=a" (result) /* out */
//: "a" (m1), "d" (m2), "g" (d) /* in */
// );
// return result;
//}
//
//#define INC_IF_NEG(y) \
//{ \
// __asm__("btl $31,%1\n\t" \
// "adcl $0,%0" \
// : "=r" ((int) result) \
// : "rm" ((int) (y)), "0" ((int) result) \
// ); \
//}
//static INLINE int
//gl_regioncode (CONST int x, CONST int y)
//{
// int dx1, dx2, dy1, dy2;
// int result;
// result = 0;
// dy2 = __clipy2 - y;
// INC_IF_NEG (dy2);
// result <<= 1;
// dy1 = y - __clipy1;
// INC_IF_NEG (dy1);
// result <<= 1;
// dx2 = __clipx2 - x;
// INC_IF_NEG (dx2);
// result <<= 1;
// dx1 = x - __clipx1;
// INC_IF_NEG (dx1);
// return result;
//}
//
//
//#else
//DKS - main part we'll re-write for SDL
//static INLINE int
//gl_regioncode (CONST int x, CONST int y)
//{
// int result = 0;
// if (x < 0)
// result |= 1;
// else if (x > __clipx2)
// result |= 2;
// if (y < 0)
// result |= 4;
// else if (y > __clipy2)
// result |= 8;
// return result;
//}
//#endif
//
///* Partly based on vgalib by Tommy Frandsen */
///* This would be a lot faster if setpixel was inlined */
//
//static void
//gl_wide_line (int x1, int y1, int x2, int y2, int c)
//{
// int dx, dy, ax, ay, sx, sy, x, y;
// int syp;
// char *point;
// x1 = (MAPWIDTH / 2 + (x1) * 220 / (1000 - (y1)) / DIV);
// y1 = (int) (MAPHEIGHT / 3 + MAPWIDTH * 220 / (1000 - (y1)));
// x2 = (int) (MAPWIDTH / 2 + (x2) * 220 / (1000 - (y2)) / DIV);
// y2 = (int) (MAPHEIGHT / 3 + MAPWIDTH * 220 / (1000 - (y2)));
// /* Cohen & Sutherland algorithm */
// for (;;)
// {
// int r1 = gl_regioncode (x1, y1);
// int r2 = gl_regioncode (x2, y2);
// if (!(r1 | r2))
// break; /* completely inside */
// if (r1 & r2)
// return; /* completely outside */
// if (r1 == 0)
// {
// swap (x1, x2); /* make sure first */
// swap (y1, y2); /* point is outside */
// r1 = r2;
// }
// if (r1 & 1)
// { /* left */
//#if defined(__i386__)&&defined(ASSEMBLY)
// y1 += muldiv64 (__clipx1 - x1, y2 - y1, x2 - x1);
//#else
// y1 += (long) (__clipx1 - x1) * (long) (y2 - y1) / (long) (x2 - x1);
//#endif
// x1 = __clipx1;
// }
// else if (r1 & 2)
// { /* right */
//#if defined(__i386__)&&defined(ASSEMBLY)
// y1 += muldiv64 (__clipx2 - x1, y2 - y1, x2 - x1);
//#else
// y1 += (long) (__clipx2 - x1) * (long) (y2 - y1) / (long) (x2 - x1);
//#endif
// x1 = __clipx2;
// }
// else if (r1 & 4)
// { /* top */
//#if defined(__i386__)&&defined(ASSEMBLY)
// x1 += muldiv64 (__clipy1 - y1, x2 - x1, y2 - y1);
//#else
// x1 += (long) (__clipy1 - y1) * (long) (x2 - x1) / (long) (y2 - y1);
//#endif
// y1 = __clipy1;
// }
// else if (r1 & 8)
// { /* bottom */
//#if defined(__i386__)&&defined(ASSEMBLY)
// x1 += muldiv64 (__clipy2 - y1, x2 - x1, y2 - y1);
//#else
// x1 += (long) (__clipy2 - y1) * (long) (x2 - x1) / (long) (y2 - y1);
//#endif
// y1 = __clipy2;
// }
// }
// dx = x2 - x1;
// dy = y2 - y1;
// ax = abs (dx) << 1;
// ay = abs (dy) << 1;
// sx = (dx >= 0) ? 1 : -1;
// sy = (dy >= 0) ? 1 : -1;
// x = x1;
// y = y1;
//
// point = VScreenToBuffer (backscreen) + x + y * MAPWIDTH;
// if (ax > ay)
// {
// int d = ay - (ax >> 1);
// syp = sy * MAPWIDTH;
// if (DIV == 1)
// while (x != x2)
// {
// *point = c;
// if (y > 3 * MAPHEIGHT / 5)
// {
// *(point + 1) = c;
// if (y > 3 * MAPHEIGHT / 4)
// *(point + 2) = c;
// }
// if (d > 0 || (d == 0 && sx == 1))
// {
// y += sy;
// point += syp;
// d -= ax;
// }
// x += sx;
// point += sx;
// d += ay;
// }
// else
// while (x != x2)
// {
// *point = c;
// if (y > 4 * MAPHEIGHT / 5)
// *(point + 1) = c;
//
// if (d > 0 || (d == 0 && sx == 1))
// {
// y += sy;
// point += syp;
// d -= ax;
// }
// x += sx;
// point += sx;
// d += ay;
// }
// }
// else
// {
// int sy = (dy >= 0) ? 1 : -1;
// int d = ax - (ay >> 1);
// syp = sy * MAPWIDTH;
// if (DIV == 1)
// while (y != y2)
// {
// *(point) = c;
// if (y > 3 * MAPHEIGHT / 5)
// {
// *(point + 1) = c;
// if (y > 3 * MAPHEIGHT / 4)
// *(point + 2) = c;
// }
// if (d > 0 || (d == 0 && sy == 1))
// {
// x += sx;
// point += sx;
// d -= ay;
// }
// y += sy;
// point += syp;
// d += ax;
// }
// else
// while (y != y2)
// {
// *(point) = c;
// if (y > 4 * MAPHEIGHT / 5)
// *(point + 1) = c;
//
// if (d > 0 || (d == 0 && sy == 1))
// {
// x += sx;
// point += sx;
// d -= ay;
// }
// y += sy;
// point += syp;
// d += ax;
// }
// }
// if (DIV == 1)
// {
// *(point) = c;
// point++;
// if (y > 3 * MAPHEIGHT / 5)
// {
// *(point) = c, point++;
// if (y > 3 * MAPHEIGHT / 4)
// *(point) = c;
// }
// }
// else
// {
// *(point) = c;
// point++;
// if (y > 4 * MAPHEIGHT / 5)
// *(point) = c;
// }
//}
//#define gl_putpixel(x,y,c) FillRectangle(x,y,y>3 * MAPHEIGHT / 4 && DIV == 1?2:1,y>3 * MAPHEIGHT / 5 && DIV == 1?2:1,c)
//
//
//
//#define TABSIZE 64 /* size of a tab, in pixels */
////DKS
////#define vga_drawline(x1,y1,x2,y2)\
//// gl_wide_line(x1,y1,x2,y2,textcolor)
////#define vga_drawhline(x1,y1,x2,y2)\
//// gl_hline((int)(MAPWIDTH/2+(x1)*220/(1000-(y1))/DIV),(int)(MAPHEIGHT/3+MAPWIDTH*220/(1000-(y1))),\
//// (int)(MAPWIDTH/2+(x2)*220/(1000-(y2))/DIV),\
//// textcolor)
////#define vga_drawpixel(x1,y1)\
//// gl_putpixel((int)(MAPWIDTH/2+(x1)*220/(1000-(y1))/DIV),(int)(MAPHEIGHT/3+MAPWIDTH*220/(1000-(y1))),textcolor)
//
//
////#endif /*FAST_WIDELINE */
//
//
//
//static INLINE int
//gl_regioncode (CONST int x, CONST int y)
//{
// int result = 0;
// if (x < 0)
// result |= 1;
// else if (x > __clipx2)
// result |= 2;
// if (y < 0)
// result |= 4;
// else if (y > __clipy2)
// result |= 8;
// return result;
//}
//#endif
//
/* Partly based on vgalib by Tommy Frandsen */
/* This would be a lot faster if setpixel was inlined */
//static void
//gl_wide_line (int x1, int y1, int x2, int y2, int c)
//{
// int dx, dy, ax, ay, sx, sy, x, y;
//
// int syp;
// Uint16 *point;
//
// if SDL_MUSTLOCK(physicalscreen)
// SDL_LockSurface(physicalscreen);
//
// x1 = (MAPWIDTH / 2 + (x1) * 220 / (1000 - (y1)) / DIV);
// y1 = (int) (MAPHEIGHT / 3 + MAPWIDTH * 220 / (1000 - (y1)));
// x2 = (int) (MAPWIDTH / 2 + (x2) * 220 / (1000 - (y2)) / DIV);
// y2 = (int) (MAPHEIGHT / 3 + MAPWIDTH * 220 / (1000 - (y2)));
// /* Cohen & Sutherland algorithm */
// for (;;)
// {
// int r1 = gl_regioncode (x1, y1);
// int r2 = gl_regioncode (x2, y2);
// if (!(r1 | r2))
// break; /* completely inside */
// if (r1 & r2)
// return; /* completely outside */
// if (r1 == 0)
// {
// swap (x1, x2); /* make sure first */
// swap (y1, y2); /* point is outside */
// r1 = r2;
// }
// if (r1 & 1)
// { /* left */
//#if defined(__i386__)&&defined(ASSEMBLY)
// y1 += muldiv64 (__clipx1 - x1, y2 - y1, x2 - x1);
//#else
// y1 += (long) (__clipx1 - x1) * (long) (y2 - y1) / (long) (x2 - x1);
//#endif
// x1 = __clipx1;
// }
// else if (r1 & 2)
// { /* right */
//#if defined(__i386__)&&defined(ASSEMBLY)
// y1 += muldiv64 (__clipx2 - x1, y2 - y1, x2 - x1);
//#else
// y1 += (long) (__clipx2 - x1) * (long) (y2 - y1) / (long) (x2 - x1);
//#endif
// x1 = __clipx2;
// }
// else if (r1 & 4)
// { /* top */
//#if defined(__i386__)&&defined(ASSEMBLY)
// x1 += muldiv64 (__clipy1 - y1, x2 - x1, y2 - y1);
//#else
// x1 += (long) (__clipy1 - y1) * (long) (x2 - x1) / (long) (y2 - y1);
//#endif
// y1 = __clipy1;
// }
// else if (r1 & 8)
// { /* bottom */
//#if defined(__i386__)&&defined(ASSEMBLY)
// x1 += muldiv64 (__clipy2 - y1, x2 - x1, y2 - y1);
//#else
// x1 += (long) (__clipy2 - y1) * (long) (x2 - x1) / (long) (y2 - y1);
//#endif
// y1 = __clipy2;
// }
// }
// dx = x2 - x1;
// dy = y2 - y1;
// ax = abs (dx) << 1;
// ay = abs (dy) << 1;
// sx = (dx >= 0) ? 1 : -1;
// sy = (dy >= 0) ? 1 : -1;
// x = x1;
// y = y1;
//
// //point = VScreenToBuffer (backscreen) + x + y * MAPWIDTH;
// point = (Uint16 *)screen->pixels;
// if (ax > ay)
// {
// int d = ay - (ax >> 1);
// syp = sy * MAPWIDTH;
// if (DIV == 1)
// while (x != x2)
// {
// recentpoint = *point = colors_16bit[c];
// if (y > 3 * MAPHEIGHT / 5)
// {
// *(point + 1) = colors_16bit[c];
// if (y > 3 * MAPHEIGHT / 4)
// *(point + 2) = colors_16bit[c];
// }
// if (d > 0 || (d == 0 && sx == 1))
// {
// y += sy;
//
//
// point += syp;
// d -= ax;
// }
// x += sx;
// point += sx;
// d += ay;
// }
// else
// while (x != x2)
// {
// *point = colors_16bit[c];
// if (y > 4 * MAPHEIGHT / 5)
// *(point + 1) = colors_16bit[c];
//
// if (d > 0 || (d == 0 && sx == 1))
// {
// y += sy;
// point += syp;
// d -= ax;
// }
// x += sx;
// point += sx;
// d += ay;
// }
// }
// else
// {
// int sy = (dy >= 0) ? 1 : -1;
// int d = ax - (ay >> 1);
// syp = sy * MAPWIDTH;
// if (DIV == 1)
// while (y != y2)
// {
// *(point) = colors_16bit[c];
// if (y > 3 * MAPHEIGHT / 5)
// {
// *(point + 1) = colors_16bit[c];
// if (y > 3 * MAPHEIGHT / 4)
// *(point + 2) = colors_16bit[c];
// }
// if (d > 0 || (d == 0 && sy == 1))
// {
// x += sx;
// point += sx;
// d -= ay;
// }
// y += sy;
// point += syp;
// d += ax;
// }
// else
// while (y != y2)
// {
// *(point) = colors_16bit[c];
// if (y > 4 * MAPHEIGHT / 5)
// *(point + 1) = colors_16bit[c];
//
// if (d > 0 || (d == 0 && sy == 1))
// {
// x += sx;
// point += sx;
// d -= ay;
// }
// y += sy;
// point += syp;
// d += ax;
// }
// }
// if (DIV == 1)
// {
// *(point) = colors_16bit[c];
// point++;
// if (y > 3 * MAPHEIGHT / 5)
// {
// *(point) = colors_16bit[c], point++;
// if (y > 3 * MAPHEIGHT / 4)
// *(point) = colors_16bit[c];
// }
// }
// else
// {
// *(point) = colors_16bit[c];
// point++;
// if (y > 4 * MAPHEIGHT / 5)
// *(point) = colors_16bit[c];
// }
//
//
// if SDL_MUSTLOCK(physicalscreen)
// SDL_UnlockSurface(physicalscreen);
//}
//DKS #define gl_putpixel(x,y,c) FillRectangle(x,y,y>3 * MAPHEIGHT / 4 && DIV == 1?2:1,y>3 * MAPHEIGHT / 5 && DIV == 1?2:1,c)
#define TABSIZE 64 /* size of a tab, in pixels */
//DKS
//#define vga_drawline(x1,y1,x2,y2)\
// gl_wide_line(x1,y1,x2,y2,textcolor)
//DKS - changed (again) this now that line drawing is done by us, not through sdl_gfx
//#define vga_drawline(x1,y1,x2,y2) \
// lineColor(physicalscreen, ((int)(MAPWIDTH/2+(x1)*220/(1000-(y1))/DIV)), \
// ((int)(MAPHEIGHT/3+MAPWIDTH*220/(1000-(y1)))), \
// ((int)(MAPWIDTH/2+(x2)*220/(1000-(y2))/DIV)), \
// ((int) (MAPHEIGHT/3+MAPWIDTH*220/(1000-(y2)))), \
// colors_RGBA[textcolor])
#define vga_drawline(x1,y1,x2,y2) \
SDL_DrawLine(physicalscreen,((int)(MAPWIDTH/2+(x1)*220/(1000-(y1))/DIV)), \
((int)(MAPHEIGHT/3+MAPWIDTH*220/(1000-(y1)))), \
((int)(MAPWIDTH/2+(x2)*220/(1000-(y2))/DIV)), \
((int) (MAPHEIGHT/3+MAPWIDTH*220/(1000-(y2)))), \
colors_RGBA[textcolor])
//#define vga_drawhline(x1,y1,x2,y2)\
// gl_hline((int)(MAPWIDTH/2+(x1)*220/(1000-(y1))/DIV),(int)(MAPHEIGHT/3+MAPWIDTH*220/(1000-(y1))),\
// (int)(MAPWIDTH/2+(x2)*220/(1000-(y2))/DIV),\
// textcolor)
//#define vga_drawhline(x1,y1,x2,y2)\
// hlineColor(physicalscreen, (int)(MAPWIDTH/2+(x1)*220/(1000-(y1))/DIV), \
// ((int)(MAPWIDTH/2+(x2)*220/(1000-(y2))/DIV)),\
// ((int)(MAPHEIGHT/3+MAPWIDTH*220/(1000-(y1)))),\
// colors_RGBA[textcolor])
#define vga_drawhline(x1,y1,x2,y2)\
SDL_DrawHLine(physicalscreen,(int)(MAPWIDTH/2+(x1)*220/(1000-(y1))/DIV),(int)(MAPHEIGHT/3+MAPWIDTH*220/(1000-(y1))),\
(int)(MAPWIDTH/2+(x2)*220/(1000-(y2))/DIV),\
colors_RGBA[textcolor])
//#define vga_drawpixel(x1,y1)\
// gl_putpixel((int)(MAPWIDTH/2+(x1)*220/(1000-(y1))/DIV),(int)(MAPHEIGHT/3+MAPWIDTH*220/(1000-(y1))),textcolor)
//#define vga_drawpixel(x1,y1)\
// gl_putpixel((int)(MAPWIDTH/2+(x1)*220/(1000-(y1))/DIV),(int)(MAPHEIGHT/3+MAPWIDTH*220/(1000-(y1))),textcolor)
//DKS - gonna try to re-write this one more time to fix possible clipping problems..
//static INLINE void vga_drawpixel(x1, y1) {
// if SDL_MUSTLOCK(physicalscreen)
// SDL_LockSurface(physicalscreen);
//
//
// SSetPixel(physicalscreen, ((int)(MAPWIDTH/2+(x1)*220/(1000-(y1))/DIV)), ((int)(MAPHEIGHT/3+MAPWIDTH*220/(1000-(y1)))), textcolor);
//
// if SDL_MUSTLOCK(physicalscreen)
// SDL_UnlockSurface(physicalscreen);
//}
//DKS
static inline void vga_drawpixel(int x1, int y1) {
// We do it this way so we can have clipping
SDL_Rect tmp_rect;
tmp_rect.x = ((int)(MAPWIDTH/2+(x1)*220/(1000-(y1))/DIV));
tmp_rect.y = ((int)(MAPHEIGHT/3+MAPWIDTH*220/(1000-(y1))));
tmp_rect.w = 1;
tmp_rect.h = 1;
#ifdef GCW
SDL_FillRect(physicalscreen, &tmp_rect, colors_RGBA[textcolor]);
#else
SDL_FillRect(physicalscreen, &tmp_rect, colors_16bit[textcolor]);
#endif
}
static int go_through_the_motions = 0;
/* if 1, we don't draw it, just do the width */
static int stop_after_this_x = NO_CLIP_FONT;
/* never mind. Character building, wasn't it? (groan) */
#if 0
#define BEST extern inline
#else
#define BEST static
#endif
BEST void
fontc_ul (x, y, r)
CONST int x, y, r;
{
int r34;
if (go_through_the_motions)
return;
r34 = ((r * 3) >> 2);
vga_drawline (x - r, y, x - r34, y - r34);
vga_drawline (x - r34, y - r34, x, y - r);
}
BEST void
fontc_ur (x, y, r)
CONST int x, y, r;
{
int r34;
if (go_through_the_motions)
return;
r34 = ((r * 3) >> 2);
vga_drawline (x + r, y, x + r34, y - r34);
vga_drawline (x + r34, y - r34, x, y - r);
}
BEST void
fontc_ll (x, y, r)
CONST int x, y, r;
{
int r34;
if (go_through_the_motions)
return;
r34 = ((r * 3) >> 2);
vga_drawline (x - r, y, x - r34, y + r34);
vga_drawline (x - r34, y + r34, x, y + r);
}
BEST void
fontc_lr (x, y, r)
CONST int x, y, r;
{
int r34;
if (go_through_the_motions)
return;
r34 = ((r * 3) >> 2);
vga_drawline (x + r, y, x + r34, y + r34);
vga_drawline (x + r34, y + r34, x, y + r);
}
static void
fontc_l (x, y, r)
CONST int x, y, r;
{
fontc_ll (x, y, r);
fontc_lr (x, y, r);
}
static void
fontc_u (x, y, r)
CONST int x, y, r;
{
fontc_ul (x, y, r);
fontc_ur (x, y, r);
}
static void
fontc_r (x, y, r)
CONST int x, y, r;
{
fontc_ur (x, y, r);
fontc_lr (x, y, r);
}
static void
fontc_left (x, y, r)
CONST int x, y, r;
{
fontc_ul (x, y, r);
fontc_ll (x, y, r);
}
static void
fontcircle (x, y, r)
CONST int x, y, r;
{
fontc_u (x, y, r);
fontc_l (x, y, r);
}
static INLINE char *
myindex (char *s, CONST int c)
{
for (; *s != 0; s++)
if (*s == c)
return (s);
return (NULL);
}
int
vgadrawtext (x, y, siz, str)
CONST int x, y, siz;
CONST char *str;
{
int f, a, b, c, s1, s2, s3, s4, s5, s6, gap;
b = y;
a = x;
s1 = siz;
s2 = s1 << 1;
s3 = s1 + s2;
s4 = s2 << 1;
s5 = s4 + s1;
s6 = s3 << 1;
gap = s1;
//DKS
//#ifdef SVGALIBSUPPORT
// gl_setclippingwindow (0, 0, MAPWIDTH - 1,
// MAPHEIGHT + 19);
//
//#endif
//DKS
EnableClipping();
if (gap == 0)
gap = 1;
//DKS
//#ifdef XSUPPORT
// {
// int pos;
//#ifdef MITSHM
// if (!shm)
//#endif
// {
// pos = (int) (MAPHEIGHT / 3 + MAPWIDTH * 220 / (1000 - (y)));
// if (pos > 3 * MAPHEIGHT / 4)
// SetWidth (3);
// else if (pos > 3 * MAPHEIGHT / 5)
// SetWidth (2);
// else
// SetWidth (1);
// SetColor (textcolor);
// }
// nlines = 0;
// }
//#endif
for (f = 0; f < strlen (str); f++)
{
/* s3+s4 is the size that an ellipsis will take up (s3), plus the
* widest possible letter (M = s4).
*/
if (a - x > stop_after_this_x - s3 - s4)
{
int tmp;
/* print an ellipsis... well, three dots :) */
/* blast the width restriction to stop possible infinite recursion */
tmp = stop_after_this_x;
set_max_text_width (NO_CLIP_FONT);
vgadrawtext (a, y, siz, "...");
stop_after_this_x = tmp;
/* now give up */
break;
}
c = str[f];
/*** 1st step: cover some common occurances ***/
if (!go_through_the_motions) { /* only draw it if we really want to */
if (myindex ("abdgopq68", c) != NULL) /* common circle position */
fontcircle (a + s1, b + s3, siz);
else
{ /* common part-circle positions */
if (myindex ("cehmnrs", c) != NULL)
fontc_ul (a + s1, b + s3, siz);
if (myindex ("ehmnrBS35", c) != NULL)
fontc_ur (a + s1, b + s3, siz);
if (myindex ("cetuyCGJOQSUl035", c) != NULL)
fontc_ll (a + s1, b + s3, siz);
if (myindex ("suyBCDGJOQSU035", c) != NULL)
fontc_lr (a + s1, b + s3, siz);
/* common line */
if (myindex ("BDEFHKLMNPR", c) != NULL)
vga_drawline (a, b, a, b + s4);
}
}
/*** 2nd step: fill in rest - this is the *really* long, messy bit :) ***/
/*** 2a: lowercase letters ***/
if (!go_through_the_motions)
switch (c)
{
case 'a':
vga_drawline (a + s2, b + s2, a + s2, b + s4);
break;
case 'b':
vga_drawline (a, b, a, b + s4);
break;
case 'c':
vga_drawhline (a + s1, b + s2, a + s2, b + s2);
vga_drawhline (a + s1, b + s4, a + s2, b + s4);
break;
case 'd':
vga_drawline (a + s2, b, a + s2, b + s4);
break;
case 'e':
vga_drawline (a, b + s3, a + s2, b + s3);
vga_drawhline (a + s1, b + s4, a + s2, b + s4);
break;
case 'f':
fontc_ul (a + s1, b + s1, siz);
vga_drawline (a, b + s1, a, b + s4);
vga_drawhline (a, b + s2, a + s1, b + s2);
break;
case 'g':
vga_drawline (a + s2, b + s2, a + s2, b + s5);
fontc_l (a + s1, b + s5, siz);
break;
case 'h':
vga_drawline (a, b, a, b + s4);
vga_drawline (a + s2, b + s3, a + s2, b + s4);
break;
case 'i':
vga_drawpixel (a, b + s1);
vga_drawline (a, b + s2, a, b + s4);
a += -s1 + 1;
break;
case 'j':
vga_drawline (a + s1, b + s2, a + s1, b + s5);
fontc_lr (a, b + s5, siz);
vga_drawpixel (a + s1, b + s1);
break;
case 'k':
vga_drawline (a, b, a, b + s4);
vga_drawline (a, b + s3, a + s1, b + s2);
vga_drawline (a, b + s3, a + s1, b + s4);
break;
case 'l':
vga_drawline (a, b, a, b + s3);
break;
case 'm':
vga_drawline (a, b + s2, a, b + s4);
vga_drawline (a + s2, b + s3, a + s2, b + s4);
vga_drawline (a + s4, b + s3, a + s4, b + s4);
fontc_u (a + s3, b + s3, siz);
break;
case 'n':
vga_drawline (a, b + s2, a, b + s4);
vga_drawline (a + s2, b + s3, a + s2, b + s4);
break;
case 'p':
vga_drawline (a, b + s2, a, b + s6);
break;
case 'q':
vga_drawline (a + s2, b + s2, a + s2, b + s6);
break;
case 'r':
vga_drawline (a, b + s2, a, b + s4);
break;
case 's':
vga_drawhline (a, b + s3, a + s2, b + s3);
vga_drawhline (a + s1, b + s2, a + s2, b + s2);
vga_drawhline (a, b + s4, a + s1, b + s4);
break;
case 't':
vga_drawline (a, b + s1, a, b + s3);
vga_drawhline (a, b + s2, a + s1, b + s2);
break;
case 'u':
vga_drawline (a, b + s2, a, b + s3);
vga_drawline (a + s2, b + s2, a + s2, b + s4);
break;
case 'v':
vga_drawline (a, b + s2, a + s1, b + s4);
vga_drawline (a + s1, b + s4, a + s2, b + s2);
break;
case 'w':
vga_drawline (a, b + s2, a + s1, b + s4);
vga_drawline (a + s1, b + s4, a + s2, b + s3);
vga_drawline (a + s2, b + s3, a + s3, b + s4);
vga_drawline (a + s3, b + s4, a + s4, b + s2);
break;
case 'x':
vga_drawline (a, b + s2, a + s2, b + s4);
vga_drawline (a, b + s4, a + s2, b + s2);
break;
case 'y':
vga_drawline (a, b + s2, a, b + s3);
vga_drawline (a + s2, b + s2, a + s2, b + s5);
fontc_l (a + s1, b + s5, siz);
break;
case 'z':
vga_drawhline (a, b + s2, a + s2, b + s2);
vga_drawline (a + s2, b + s2, a, b + s4);
vga_drawhline (a, b + s4, a + s2, b + s4);
break;
/*** 2b: uppercase letters ***/
case 'A':
vga_drawline (a, b + s4, a + s1, b);
vga_drawline (a + s1, b, a + s2, b + s4);
vga_drawline (a + (s1 >> 1), b + s2, a + s2 - (s1 >> 1), b + s2);
break;
case 'B':
fontc_r (a + s1, b + s1, siz);
vga_drawhline (a, b, a + s1, b);
vga_drawhline (a, b + s2, a + s1, b + s2);
vga_drawhline (a, b + s4, a + s1, b + s4);
break;
case 'C':
fontc_u (a + s1, b + s1, siz);
vga_drawline (a, b + s1, a, b + s3);
break;
case 'D':
vga_drawhline (a, b, a + s1, b);
vga_drawhline (a, b + s4, a + s1, b + s4);
fontc_ur (a + s1, b + s1, siz);
vga_drawline (a + s2, b + s1, a + s2, b + s3);
break;
case 'E':
vga_drawhline (a, b, a + s2, b);
vga_drawhline (a, b + s2, a + s1, b + s2);
vga_drawhline (a, b + s4, a + s2, b + s4);
break;
case 'F':
vga_drawhline (a, b, a + s2, b);
vga_drawhline (a, b + s2, a + s1, b + s2);
break;
case 'G':
fontc_u (a + s1, b + s1, siz);
vga_drawline (a, b + s1, a, b + s3);
vga_drawhline (a + s1, b + s2, a + s2, b + s2);
vga_drawline (a + s2, b + s2, a + s2, b + s3);
break;
case 'H':
vga_drawhline (a, b + s2, a + s2, b + s2);
vga_drawline (a + s2, b, a + s2, b + s4);
break;
case 'I':
vga_drawhline (a, b, a + s2, b);
vga_drawline (a + s1, b, a + s1, b + s4);
vga_drawhline (a, b + s4, a + s2, b + s4);
break;
case 'J':
vga_drawline (a + s2, b, a + s2, b + s3);
break;
case 'K':
vga_drawline (a + s2, b, a, b + s2);
vga_drawline (a, b + s2, a + s2, b + s4);
break;
case 'L':
vga_drawhline (a, b + s4, a + s2, b + s4);
break;
case 'M':
vga_drawline (a, b, a + s1 + (s1 >> 1), b + s2);
vga_drawline (a + s1 + (s1 >> 1), b + s2, a + s3, b);
vga_drawline (a + s3, b, a + s3, b + s4);
a -= s1;
break;
case 'N':
vga_drawline (a, b, a + s2, b + s4);
vga_drawline (a + s2, b + s4, a + s2, b);
break;
case 'Q':
vga_drawline (a + s1, b + s3, a + s2, b + s4);
/* FALLS THROUGH and adds an O, finishing the Q */
case 'O':
case '0': /* all other numbers done later */
fontc_u (a + s1, b + s1, siz);
vga_drawline (a, b + s1, a, b + s3);
vga_drawline (a + s2, b + s1, a + s2, b + s3);
break;
case 'R':
vga_drawline (a + s1, b + s2, a + s2, b + s4);
/* FALLS THROUGH and adds a P, finishing the R */
case 'P':
fontc_r (a + s1, b + s1, siz);
vga_drawhline (a, b, a + s1, b);
vga_drawhline (a, b + s2, a + s1, b + s2);
break;
case 'S':
fontc_left (a + s1, b + s1, siz);
fontc_ur (a + s1, b + s1, siz);
break;
case 'T':
vga_drawhline (a, b, a + s2, b);
vga_drawline (a + s1, b, a + s1, b + s4);
break;
case 'U':
vga_drawline (a, b, a, b + s3);