Function GUI_DrawText

src/gui/gui.c:458–503

* Draw a string to the screen. * * @param string The string to draw. * @param left The most left position where to draw the string. * @param top The most top position where to draw the string. * @param fgColour The foreground colour of the text. * @param bgColour The background colour of the text. */

 * @param bgColour The background colour of the text.
 */
void GUI_DrawText(const char *string, int16 left, int16 top, uint8 fgColour, uint8 bgColour)
{
	uint8 colours[2];
	uint16 x;
	uint16 y;
	const char *s;

	if (g_fontCurrent == NULL) return;

	if (left < 0) left = 0;
	if (top  < 0) top  = 0;
	if (left > SCREEN_WIDTH) return;
	if (top  > SCREEN_HEIGHT) return;

	colours[0] = bgColour;
	colours[1] = fgColour;

	GUI_InitColors(colours, 0, 1);

	s = string;
	x = left;
	y = top;
	while (*s != '\0') {
		uint16 width;

		if (*s == '\n' || *s == '\r') {
			x = left;
			y += g_fontCurrent->height;

			while (*s == '\n' || *s == '\r') s++;
		}

		width = Font_GetCharWidth(*s);

		if (x + width > SCREEN_WIDTH) {
			x = left;
			y += g_fontCurrent->height;
		}
		if (y > SCREEN_HEIGHT) break;

		GUI_DrawChar(*s, x, y);

		x += width;
		s++;
	}
}

/**
 * Draw a string to the screen, and so some magic.