#include "charmap_8x12.h"
#include "screen.h"
#include "string.h"
#include "stdarg.h"
#include "utils.h"

#define SCR_HEIGHT 240
#define SCR_WIDTH  320
#define CHAR_SCR_HEIGHT SCR_HEIGHT/CHAR_HEIGHT
#define CHAR_SCR_WIDTH SCR_WIDTH/CHAR_WIDTH 

void putChar(char* scrbuf, int x, int y, unsigned char ch)
{
  int i, j, pixelOn;
  for(i = 0; i < CHAR_HEIGHT; i++)  
  {
    for(j = 0; j < CHAR_WIDTH; j++) 
    {
      pixelOn = charMap_ascii[ch][i] << j ;  
      pixelOn = pixelOn & 0x80 ;  
      if (pixelOn) {
        setPixelBuf(scrbuf, x + j, y + i, 0); 
      } else {
        setPixelBuf(scrbuf, x + j, y + i, 15);
      } 
    }
  } 
}

void drawStr(char* scrbuf, int x, int y, unsigned char* str)
{
  int l = strlen(str);
  int i;
  for (i = 0; i < l; i++) {
    if (str[i] == 0x0A) {
      x = 0;
      y += 12;
    } else {
      putChar(scrbuf, x, y, str[i]);
    }
    x += 8;
    if (x >= 312) {
      x = 0;
      y += 12;
    }
  }
}