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#include "config.h"
#ifdef CAMERA
#include <stdio.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include <Imlib2.h>
#include "defs.h"
/* internal context */
static Display *disp = NULL;
static Visual *vis = NULL;
static Screen *scr = NULL;
static Colormap cm;
static Window rw, tw;
static int rx, ry;
static unsigned int rdx, rdy;
static int frame;
static int initialised = 0;
/* maximum file name size */
#define MAXFRAMEFILENAMESIZE 80
void camera_init(Display *arg_disp, Window arg_window) {
if (initialised) return;
int depth;
disp = arg_disp;
tw = arg_window;
scr = ScreenOfDisplay(disp, DefaultScreen(disp));
vis = DefaultVisual(disp, XScreenNumberOfScreen(scr));
depth = DefaultDepth(disp, XScreenNumberOfScreen(scr));
cm = DefaultColormap(disp, XScreenNumberOfScreen(scr));
rw = RootWindow(disp, XScreenNumberOfScreen(scr));
imlib_context_set_display(disp);
imlib_context_set_visual(vis);
imlib_context_set_colormap(cm);
imlib_context_set_color_modifier(NULL);
imlib_context_set_operation(IMLIB_OP_COPY);
frame = 0;
rx = 0;
ry = 0;
rdx = TWINSIDE; /* restrict to tactical */
rdy = TWINSIDE;
imlib_context_set_drawable(tw);
initialised++;
}
void camera_snap(Display *arg_disp, Window arg_window)
{
Imlib_Image image;
char *name;
camera_init(arg_disp, arg_window);
image = imlib_create_image_from_drawable(rw, rx, ry, rdx, rdy, 0);
imlib_context_set_image(image);
imlib_image_attach_data_value("quality", NULL, 15, NULL);
name = malloc(MAXFRAMEFILENAMESIZE);
snprintf(name, MAXFRAMEFILENAMESIZE-1, "netrek-%03d.png", frame++);
imlib_save_image(name);
imlib_free_image_and_decache();
fprintf(stderr, "camera_snap: %s\n", name);
free(name);
}
#endif
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