
Example F-4. The type_font.c program
/*
* simple_font.c -- very simple program showing how to render text
* using fonts loaded by XView.
*/
#include <ctype.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <xview/xview.h>
#include <xview/panel.h>
#include <xview/font.h>
Display *dpy;
GC gc;
XFontStruct *font_info;
main(argc, argv)
int argc;
char *argv[ ];
{
Frame frame;
Panel panel;
Canvas canvas;
XGCValues gcvalues;
Xv_Font font;
void my_event_proc();
extern void exit();
xv_init(XV_INIT_ARGC_PTR_ARGV, &argc, argv, NULL);
frame = (Frame)xv_create(XV_NULL, FRAME,
FRAME_LABEL, argv[0],
NULL);
panel = (Panel)xv_create(frame, PANEL,
PANEL_LAYOUT, PANEL_VERTICAL,
NULL);
xv_create(panel, PANEL_BUTTON,
PANEL_LABEL_STRING, "Quit",
PANEL_NOTIFY_PROC, exit,
NULL);
window_fit(panel);
canvas = (Canvas)xv_create(frame, CANVAS,
XV_WIDTH, 400,
XV_HEIGHT, 200,
CANVAS_X_PAINT_WINDOW, TRUE,
NULL);
xv_set(canvas_paint_window(canvas),
WIN_EVENT_PROC, my_event_proc,
NULL);
window_fit(frame);
dpy = (Display *)xv_get(frame, XV_DISPLAY);
font = (Xv_Font)xv_get(frame, XV_FONT);
font_info = (XFontStruct *)xv_get(font, FONT_INFO);
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