#include "glfont.h"

#include "igl.h"
#include <gtk/gtkglwidget.h>

GLFont glfont_create( const char* font_string ){
	GLuint font_list_base = glGenLists( 256 );
	gint font_height = 0;

	PangoFontDescription* font_desc = pango_font_description_from_string( font_string );

	PangoFont* font = gdk_gl_font_use_pango_font( font_desc, 0, 256, font_list_base );

	if ( font != 0 ) {
		PangoFontMetrics* font_metrics = pango_font_get_metrics( font, 0 );

		font_height = pango_font_metrics_get_ascent( font_metrics ) +
					  pango_font_metrics_get_descent( font_metrics );
		font_height = PANGO_PIXELS( font_height );

		pango_font_metrics_unref( font_metrics );
	}

	pango_font_description_free( font_desc );

	return GLFont( font_list_base, font_height );
}

void glfont_release( GLFont& font ){
	glDeleteLists( font.getDisplayList(), 256 );
	font = GLFont( 0, 0 );
}