#include <string.h>
#include <cairo.h>

int
main (int argc, char *argv[])
{
	cairo_surface_t *surface;
	cairo_t *cr;
	int i;
	cairo_font_extents_t fe;
	cairo_text_extents_t te;
	char alphabet[] = "AbCdEfGhIjKlMnOpQrStUvWxYz";
	char letter[2];

	/* Prepare drawing area */
	surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 780, 30);
	cr = cairo_create (surface);
	/* Example is in 26.0 x 1.0 coordinate space */
	cairo_scale (cr, 30, 30);
	cairo_set_font_size (cr, 0.8);

	/* Drawing code goes here */
	cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
	cairo_select_font_face (cr, "Georgia",
			CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
	cairo_font_extents (cr, &fe);
	for (i=0; i < strlen(alphabet); i++) {
		/* get each letter separately
		 * (from comp.lang.c FAQ, Question 13.2) */
		*letter = '\0';
		strncat (letter, alphabet + i, 1);

		cairo_text_extents (cr, letter, &te);
		cairo_move_to (cr, i + 0.5 - te.x_bearing - te.width / 2,
				0.5 - fe.descent + fe.height / 2);
		cairo_show_text (cr, letter);
	}

	/* Write output and clean up */
	cairo_surface_write_to_png (surface, "tips-font.png");
	cairo_destroy (cr);
	cairo_surface_destroy (surface);

	return 0;
}