Cairo Text Example

#include <iostream>
#include <cairo.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define SIZEX 1000
#define SIZEY  500

void paint(cairo_surface_t *cs)
{
    cairo_t *c;

    c=cairo_create(cs);

    cairo_rectangle(c, 0.0, 0.0, SIZEX, SIZEY);
    cairo_set_source_rgb(c, 0.0, 0.0, 0.5);
    cairo_fill(c);

    cairo_move_to(c, 100.0, 100.0);
    cairo_set_source_rgb(c, 1.0, 1.0, 0.0);
    cairo_select_font_face (c, "Sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
    cairo_set_font_size (c, 52.0);
    cairo_show_text(c, "Hello World!");

    cairo_move_to(c, 200.0, 200.0);
    cairo_set_source_rgb(c, 1.0, 1.0, 0.0);
    cairo_select_font_face (c, "Courier", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
    cairo_set_font_size (c, 52.0);
    cairo_show_text(c, "Hello World!");

    cairo_move_to(c, 300.0, 300.0);
    cairo_set_source_rgb(c, 1.0, 1.0, 0.0);
    cairo_select_font_face (c, "Arial", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
    cairo_set_font_size (c, 52.0);
    cairo_show_text(c, "Hello World!");

    cairo_show_page(c);

    cairo_destroy(c);
}


void writepng(const char *fname)
{
    cairo_surface_t *cs;

    cs=cairo_image_surface_create(CAIRO_FORMAT_ARGB32, SIZEX, SIZEY);

    paint(cs);

    cairo_surface_write_to_png(cs, fname);
    cairo_surface_destroy(cs);
}


int main() {

    writepng("image.png");
}