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#include "config.h"
#include <X11/Xlib.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <Imlib2.h>
Display *disp;
int image_width = 0, image_height = 0;
static void
usage(void)
{
printf
("Usage: imlib2_grab [-v] [-id <drawable id>] [-width <width>] [-height <height>] [-noshape] <output file>\n");
}
int
main(int argc, char **argv)
{
char *s;
Imlib_Image *im = NULL;
char *file = NULL;
int verbose;
int get_alpha;
const char *display_name = getenv("DISPLAY");
Drawable draw;
int x, y;
unsigned int w, h, bw;
unsigned int wo, ho;
unsigned int depth;
Window rr;
Imlib_Load_Error err;
verbose = 0;
get_alpha = 1;
draw = None;
wo = ho = 0;
for (;;)
{
argc--;
argv++;
if (argc <= 0)
break;
s = argv[0];
if (*s++ != '-')
break;
if (!strcmp(s, "id"))
{
argc--;
argv++;
if (argc <= 1)
break;
draw = strtoul(argv[0], NULL, 0);
}
else if (!strcmp(s, "w") || !strcmp(s, "width"))
{
argc--;
argv++;
if (argc <= 1)
break;
wo = strtoul(argv[0], NULL, 0);
}
else if (!strcmp(s, "h") || !strcmp(s, "height"))
{
argc--;
argv++;
if (argc <= 1)
break;
ho = strtoul(argv[0], NULL, 0);
}
else if (!strcmp(s, "noshape"))
{
get_alpha = 0;
}
else if (!strcmp(s, "v"))
{
verbose = 1;
}
else if (!strcmp(s, "help"))
{
usage();
return 0;
}
}
if (argc <= 0)
{
usage();
return 1;
}
file = argv[0];
if (!display_name)
display_name = ":0";
disp = XOpenDisplay(display_name);
if (!disp)
{
fprintf(stderr, "Can't open display %s\n", display_name);
return 1;
}
imlib_context_set_display(disp);
imlib_context_set_visual(DefaultVisual(disp, DefaultScreen(disp)));
imlib_context_set_colormap(DefaultColormap(disp, DefaultScreen(disp)));
if (draw == None)
draw = DefaultRootWindow(disp);
imlib_context_set_drawable(draw);
XGetGeometry(disp, draw, &rr, &x, &y, &w, &h, &bw, &depth);
if (wo == 0)
wo = w;
if (ho == 0)
ho = h;
if (verbose)
{
printf("Drawable: %#lx: x,y: %d,%d wxh=%ux%u bw=%u depth=%u\n",
draw, x, y, w, h, bw, depth);
if ((wo != w) || (ho != h))
printf("Output : wxh=%ux%u\n", wo, ho);
}
im = imlib_create_scaled_image_from_drawable(None, 0, 0, w, h, wo, ho, 1,
(get_alpha) ? 1 : 0);
if (!im)
{
fprintf(stderr, "Cannot grab image!\n");
exit(0);
}
imlib_context_set_image(im);
imlib_save_image_with_error_return(file, &err);
if (err != IMLIB_LOAD_ERROR_NONE)
fprintf(stderr, "Failed to save image to '%s' (error %d)\n", file, err);
return 0;
}
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