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#include <stdio.h>
#include <stdbool.h>
#include <unistd.h>
#include <getopt.h>
#include <cairo.h>
#include <gtk/gtk.h>
#include "render.h"
#include "image.h"
#include "complete.h"
cairo_surface_t *image;
static gboolean on_draw_event(GtkWidget *widget, cairo_t *cr,
gpointer user_data)
{
char info1[80], info2[80];
int width, height;
width = gtk_widget_get_allocated_width(widget);
height = gtk_widget_get_allocated_height(widget);
if (image) {
render_image(cr, width, height, image);
} else {
snprintf(info1, sizeof(info1), "gtktest");
snprintf(info2, sizeof(info2), "%dx%d", width, height);
render_test(cr, width, height, info1, info2, "");
}
return FALSE;
}
static void usage(FILE *fp)
{
fprintf(fp,
"\n"
"usage: gtktest [ options ]\n"
"\n"
"options:\n"
" -h | --help print this\n"
" -i | --image <file> load and display image <file>\n"
"\n");
}
enum {
OPT_LONG_COMP_BASH = 0x100,
};
static struct option long_opts[] = {
{
/* --- no argument --- */
.name = "help",
.has_arg = false,
.val = 'h',
},{
.name = "complete-bash",
.has_arg = false,
.val = OPT_LONG_COMP_BASH,
},{
/* --- with argument --- */
.name = "image",
.has_arg = true,
.val = 'i',
},{
/* end of list */
}
};
int main(int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *darea;
char *ifile = NULL;
bool gtk_ok;
int c;
gtk_ok = gtk_init_check(&argc, &argv);
for (;;) {
c = getopt_long(argc, argv, "hi:", long_opts, NULL);
if (c == -1)
break;
switch (c) {
case 'i':
ifile = optarg;
break;
case OPT_LONG_COMP_BASH:
complete_bash("gtktest", long_opts);
exit(0);
case 'h':
usage(stdout);
exit(0);
default:
usage(stderr);
exit(1);
}
}
if (!gtk_ok) {
fprintf(stderr, "gtk init failed\n");
exit(1);
}
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
darea = gtk_drawing_area_new();
gtk_container_add(GTK_CONTAINER(window), darea);
g_signal_connect(G_OBJECT(darea), "draw",
G_CALLBACK(on_draw_event), NULL);
g_signal_connect(window, "destroy",
G_CALLBACK(gtk_main_quit), NULL);
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_window_set_default_size(GTK_WINDOW(window), 640, 480);
gtk_window_set_title(GTK_WINDOW(window), "gtktest");
if (ifile) {
fprintf(stderr, "loading %s ...\n", ifile);
image = load_image(ifile);
}
gtk_widget_show_all(window);
gtk_main();
return 0;
}
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