#include <stdlib.h>
#include <cairo.h>
#include <cairo-pdf.h>

int main(int argc, char * argv[]) {
    cairo_t * cr = NULL;
    cairo_surface_t * surface = NULL;

    surface = cairo_pdf_surface_create ("font.pdf", 300, 300);

    cr = cairo_create (surface);

    cairo_select_font_face (cr, "Source Han Sans CN", CAIRO_FONT_SLANT_NORMAL,
                               CAIRO_FONT_WEIGHT_BOLD);
    cairo_set_font_size (cr, 90.0);

    cairo_move_to (cr, 10.0, 135.0);
    cairo_show_text (cr, "测试");

    cairo_destroy (cr);

    cairo_surface_destroy (surface);

    return 0;
}