File content as of revision 19:e5d8d6e7fac5:

#include "mbed.h"

#include "Adafruit_GFX.h"
#include "glcdfont.h"


size_t Adafruit_GFX::writeChar(uint8_t c)
{
    if (c == '\n')
    {
        cursor_y += textsize*8;
        cursor_x = 0;
    }
    else if (c == '\r')
        cursor_x = 0;
    else
    {
        drawChar(cursor_x, cursor_y, c, textcolor, textbgcolor, textsize);
        cursor_x += textsize*6;
        if (wrap && (cursor_x > (_width - textsize*6)))
        {
            cursor_y += textsize*8;
            cursor_x = 0;
        }
    }
    return 1;
}

// draw a character
void Adafruit_GFX::drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size)
{
    if(
        (x >= _width) || // Clip right
        (y >= _height) || // Clip bottom
        ((x + 5 * size - 1) < 0) || // Clip left
        ((y + 8 * size - 1) < 0) // Clip top
        )
    return;
    
    for (int8_t i=0; i<6; i++ )
    {
        uint8_t line = 0;

        if (i == 5) 
            line = 0x0;
        else 
            line = font[(c*5)+i];
            
        for (int8_t j = 0; j<8; j++)
        {
            if (line & 0x1)
            {
#if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT)
                if (size == 1) // default size
                    drawPixel(x+i, y+j, color);
                else // big size
                    fillRect(x+(i*size), y+(j*size), size, size, color);
#else
                drawPixel(x+i, y+j, color);
#endif
            }
            else if (bg != color)
            {
#if defined(GFX_WANT_ABSTRACTS) || defined(GFX_SIZEABLE_TEXT)
                if (size == 1) // default size
                    drawPixel(x+i, y+j, bg);
                else // big size
                    fillRect(x+i*size, y+j*size, size, size, bg);
#else
                drawPixel(x+i, y+j, bg);
#endif
            }
            line >>= 1;
        }
    }
}