letterrender.c

/*
 * $Id: letterrender.c,v 1.1.1.1 2003/03/16 07:03:49 kenta Exp $
 *
 * Copyright 2002 Kenta Cho. All rights reserved.
 */

/**
 * Letter render.
 *
 * @version $Revision: 1.1.1.1 $
 */
//senquack - for fixed point stuff
#include "degutil.h"

#include "screen.h"
#include "letterrender.h"
#include "letterdata.h"
//senquack TODO: optimizing all of these by passing all parameters as fixed or float, not int:


//senquack - converted to fixed/float point
//void drawLetter(int idx, int lx, int ly, int ltSize, int d,
//    int r, int g, int b) {
//  int i;
//  float x, y, length, size, t;
//  int deg;
//  for ( i=0 ; ; i++ ) {
//    deg = (int)spData[idx][i][4];
//    if ( deg > 99990 ) break;
//    x = -spData[idx][i][0]; y = -spData[idx][i][1];
//    size = spData[idx][i][2]; length = spData[idx][i][3];
//    size *= 0.66f; length *= 0.6f;
//    switch ( d ) {
//    case 0:
//      x = -x; y = y;
//      break;
//    case 1:
//      t = x; x = -y; y = -t;
//      deg += 90;
//      break;
//    case 2:
//      x = x; y = -y;
//      deg += 180;
//      break;
//    case 3:
//      t = x; x = y; y = t;
//      deg += 270;
//      break;
//    }
//    deg %= 180;
//    if ( deg <= 45 || deg > 135 ) {
//      drawBox((int)(x*ltSize)+lx, (int)(y*ltSize)+ly, 
//       (int)(size*ltSize), (int)(length*ltSize), r, g, b);
//    } else {
//      drawBox((int)(x*ltSize)+lx, (int)(y*ltSize)+ly, 
//       (int)(length*ltSize), (int)(size*ltSize), r, g, b);
//    }
//  }
//}
void drawLetter (int idx, int lx, int ly, int ltSize, int d, int r, int g, int b)
{
#ifdef FIXEDMATH
   printf ("Call to fixed-point stub for Draw letter\n");
#else
   int i;
   float x, y, length, size, t;
   int deg;
   for ( i=0 ; ; i++ ) {
      deg = (int)spData[idx][i][4];
      if ( deg > 99990 ) break;
      x = -spData[idx][i][0]; y = -spData[idx][i][1];
      size = spData[idx][i][2]; length = spData[idx][i][3];
      size *= 0.66f; length *= 0.6f;
      switch ( d ) {
         case 0:
            x = -x; y = y;
            break;
         case 1:
            t = x; x = -y; y = -t;
            deg += 90;
            break;
         case 2:
            x = x; y = -y;
            deg += 180;
            break;
         case 3:
            t = x; x = y; y = t;
            deg += 270;
            break;
      }
      deg %= 180;
      if ( deg <= 45 || deg > 135 ) {
//senquack - on smaller dimensioned screens, don't draw outlines on very small text
#if SCREEN_WIDTH < 640 
         if (ltSize > 6) {
            drawBox((x*ltSize)+lx, (y*ltSize)+ly, 
                  (size*ltSize), (length*ltSize), r, g, b);
         } else {
            drawBoxNoOutline((x*ltSize)+lx, (y*ltSize)+ly, 
                  (size*ltSize), (length*ltSize), r, g, b);
         }
#else
            drawBox((x*ltSize)+lx, (y*ltSize)+ly, 
                  (size*ltSize), (length*ltSize), r, g, b);
#endif

      } else {
#if SCREEN_WIDTH < 640 
         if (ltSize > 6) {
            drawBox((x*ltSize)+lx, (y*ltSize)+ly, 
                  (length*ltSize), (size*ltSize), r, g, b);
         } else {
            drawBoxNoOutline((x*ltSize)+lx, (y*ltSize)+ly, 
                  (length*ltSize), (size*ltSize), r, g, b);
         }
#else
            drawBox((x*ltSize)+lx, (y*ltSize)+ly, 
                  (length*ltSize), (size*ltSize), r, g, b);
#endif
      }
   }
#endif //FIXEDMATH
}

//senquack - converted to fixed/float point:
void drawString (char *str, int lx, int ly, int ltSize, int d, int r, int g, int b)
{
   int x = lx, y = ly;
   int i, c, idx;
   for (i = 0;; i++) {
      if (str[i] == '\0')
         break;
      c = str[i];
      if (c != ' ') {
         if (c >= '0' && c <= '9') {
            idx = c - '0';
         } else if (c >= 'A' && c <= 'Z') {
            idx = c - 'A' + 10;
         } else if (c >= 'a' && c <= 'z') {
            idx = c - 'a' + 10;
         } else if (c == '.') {
            idx = 36;
         } else if (c == '-') {
            idx = 38;
         } else if (c == '+') {
            idx = 39;
         } else {
            idx = 37;
         }
         drawLetter (idx, x, y, ltSize, d, r, g, b);
      }
      switch (d) {
#ifdef FIXEDMATH
         case 0:
            //      x += ltSize*1.7f;
            x += FNUM2INT (FMUL (INT2FNUM (ltSize), 111411));
            break;
         case 1:
            //      y += ltSize*1.7f;
            y += FNUM2INT (FMUL (INT2FNUM (ltSize), 111411));
            break;
         case 2:
            //      x -= ltSize*1.7f;
            x -= FNUM2INT (FMUL (INT2FNUM (ltSize), 111411));
            break;
         case 3:
            //      y -= ltSize*1.7f;
            y -= FNUM2INT (FMUL (INT2FNUM (ltSize), 111411));
            break;
#else
         case 0:
            x += ltSize*1.7f;
            break;
         case 1:
            y += ltSize*1.7f;
            break;
         case 2:
            x -= ltSize*1.7f;
            break;
         case 3:
            y -= ltSize*1.7f;
            break;
#endif //FIXEDMATH

      }
   }
}