Viewing a font's glyphs

As an example of using the Cairo PDF interface, let's draw the glyphs of a font.

showhfont.cpp

#include "hershey.hpp"
#include "hershey_cairo.hpp"
 
int main(int argc, char *argv[]) {
 
    // Load specified font
    Hershey::Font font(argv[1]);
 
    // Cairo initialisation
    cairo_surface_t *surface;
    cairo_t *cr;
 
    // Create a PDF surface 720 points wide by 360 points high
    surface = cairo_pdf_surface_create("hersheyfont.pdf", 720, 360);
 
    cr = cairo_create(surface);
 
    cairo_set_source_rgb(cr, 0, 0, 0);
 
    cairo_set_line_width(cr, 1);
 
    draw_font(cr, font, 720, 360);
 
    cairo_stroke(cr);
 
    cairo_show_page(cr);
 
    // Cairo clean-up
    cairo_surface_destroy(surface);
    cairo_destroy(cr);
 
    return 0;
}

Compile, e.g.

g++ -o showhfont $(pkg-config --cflags --libs cairo) -I./include/ src/showhfont.cpp src/glyph.cpp src/font.cpp src/string.cpp src/hershey_cairo.cpp

Run, e.g.

./showhfont complexscript