#include <pango/pangocairo.h>
#include <cairo-pdf.h>
#include <stdlib.h>

#define WIDTH 400
#define HEIGHT 300

void
draw_text (cairo_t *cr)
{
    PangoLayout *layout;
    PangoFontDescription *desc;
    int width, height;
    
    cairo_translate (cr, 100, 100);

    layout = pango_cairo_create_layout (cr);

    desc = pango_font_description_from_string ("FreeSerif 100");
    pango_layout_set_font_description (layout, desc);
    pango_layout_set_text (layout, "\342\216\242", -1); /* U+23A2 */
    
    pango_layout_get_pixel_size (layout, &width, &height);
    g_print ("%d %d\n", width, height);

    cairo_rectangle (cr, 0, 0, width, height);
    cairo_set_source_rgb (cr, 1., .5, .5);
    cairo_set_line_width (cr, 1);
    cairo_stroke (cr);
    cairo_move_to (cr, 0, 0);
    cairo_set_source_rgb (cr, 0., 0., 0.0);
    pango_cairo_show_layout (cr, layout);
}

int main (int argc, char **argv)
{
    const char *filename;
    cairo_surface_t *surface;
    cairo_t *cr;

    if (argc != 2) {
        g_printerr ("Usage: cairosimple OUTPUT_BASENAME\n");
	exit (1);
    }

    filename = g_strconcat (argv[1], ".png", NULL);

    surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, WIDTH, HEIGHT);
    cr = cairo_create (surface);

    cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
    cairo_paint (cr);
    
    draw_text(cr);

    cairo_surface_write_to_png (surface, filename);

    filename = g_strconcat (argv[1], ".pdf", NULL);
    
    /* output also a PDF file */
    surface = cairo_pdf_surface_create (filename, WIDTH, HEIGHT);
    cr = cairo_create (surface);

    draw_text(cr);

    cairo_show_page (cr);
    cairo_surface_finish (surface);

    return 0;
}