/** Draws text from a character string. */
lcd_error_t lcd_draw_text(const char * text, uint8_t x, uint8_t y, lcd_color_t text_color,
const lcd_color_t * p_background_color, const uint8_t * p_font,
int8_t char_spacing) {
uint8_t c;
uint8_t old_x, char_width;
uint16_t length = 0;
uint16_t i;
const uint8_t * p_text = text;
/* calculate string length */
while (*p_text++ != '\0') length++;
if (text == NULL)
return LCD_ERROR;
// Load font, if necessary
if (p_font != lcd_p_font)
lcd_load_font(p_font);
for (i = 0; i < length; i++) {
c = (uint8_t) text[i];
if (c == 0x20) {
if (p_background_color != NULL)
lcd_fill_rectangle(x, y, x + lcd_font_header.space_width,
y + lcd_font_header.height - 1, * p_background_color);
x += lcd_font_header.space_width;
continue;
}
char_width = lcd_get_char_width(c, p_font);
if (char_width == 0) {
continue;
}
lcd_draw_char(c, x, y, text_color, p_background_color, p_font);
x += char_width;
if (x >= LCD_WIDTH)
break;
old_x = x;
x += char_spacing + 1;
if ((p_background_color != NULL) && (i != length - 1))
lcd_fill_rectangle(old_x, y, x, y + lcd_font_header.height - 1,
*p_background_color);
}
return LCD_NO_ERROR;
}
void lcd_draw_string(uint8_t column, uint8_t page, char *string, uint8_t *buff){
uint8_t i = 0;
while(string[0] != 0){
//column += 6; // 6 pixels wide
//if (column + 6 >= 128) {
// column = 0; // ran out of this line
// page++;
//}
//if (page >= 8)
// return; // ran out of space :(
lcd_draw_char(column+(5*i), page, (string[0]), buff);
string++;
i++;
}
}
void console_write(console_t* const console, const char* message) {
char c;
const lcd_color_t prior_background = lcd_set_background(console->lcd, console->background);
const lcd_color_t prior_foreground = lcd_set_foreground(console->lcd, console->foreground);
while( (c = *(message++)) != 0 ) {
const lcd_glyph_t* const glyph = lcd_get_glyph(console->lcd, c);
if( (console->x + glyph->advance) > console->lcd->size.w ) {
console_crlf(console);
}
lcd_draw_char(
console->lcd,
console->x,
lcd_scroll_area_y(console->lcd, console->y),
c
);
console->x += glyph->advance;
}
lcd_set_background(console->lcd, prior_background);
lcd_set_foreground(console->lcd, prior_foreground);
}
