+++ /dev/null
-/* xpm-pixmap.c --- converts XPM data to a Pixmap.
- * xscreensaver, Copyright (c) 1998-2006 Jamie Zawinski <jwz@jwz.org>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation. No representations are made about the suitability of this
- * software for any purpose. It is provided "as is" without express or
- * implied warranty.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <stdlib.h>
-#include <stdio.h>
-
-#ifdef HAVE_JWXYZ
-# include "jwxyz.h"
-#else
-# include <X11/Xlib.h>
-# include <X11/Xutil.h>
-# include "visual.h" /* for screen_number() */
-#endif
-
-#include "xpm-pixmap.h"
-
-extern char *progname;
-
-#if defined(HAVE_GDK_PIXBUF)
-
-# include <gdk-pixbuf/gdk-pixbuf.h>
-
-# ifdef HAVE_GTK2
-# include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
-# else /* !HAVE_GTK2 */
-# include <gdk-pixbuf/gdk-pixbuf-xlib.h>
-# endif /* !HAVE_GTK2 */
-
-
-/* Returns a Pixmap structure containing the bits of the given XPM image.
- This is the gdk_pixbuf version of this function.
- */
-static Pixmap
-xpm_to_pixmap_1 (Display *dpy, Window window,
- int *width_ret, int *height_ret,
- Pixmap *mask_ret,
- const char *filename,
- /*const*/ char * const *xpm_data)
-{
- GdkPixbuf *pb;
- static int initted = 0;
- XWindowAttributes xgwa;
-#ifdef HAVE_GTK2
- GError *gerr = NULL;
-#endif /* HAVE_GTK2 */
- XGetWindowAttributes (dpy, window, &xgwa);
-
- if (!initted)
- {
-#ifdef HAVE_GTK2
-#if !GLIB_CHECK_VERSION(2, 36 ,0)
- g_type_init ();
-#endif
-#endif /* HAVE_GTK2 */
- gdk_pixbuf_xlib_init (dpy, screen_number (xgwa.screen));
- xlib_rgb_init (dpy, xgwa.screen);
- initted = 1;
- }
-
- pb = (filename
-#ifdef HAVE_GTK2
- ? gdk_pixbuf_new_from_file (filename, &gerr)
-#else /* !HAVE_GTK2 */
- ? gdk_pixbuf_new_from_file (filename)
-#endif /* !HAVE_GTK2 */
- : gdk_pixbuf_new_from_xpm_data ((const char **) xpm_data));
- if (pb)
- {
- int w = gdk_pixbuf_get_width (pb);
- int h = gdk_pixbuf_get_height (pb);
- Pixmap pixmap = 0;
-
- /* #### Note that this always uses the default colormap! Morons!
- Owen says that in Gnome 2.0, I should try using
- gdk_pixbuf_render_pixmap_and_mask_for_colormap() instead.
- But I don't have Gnome 2.0 yet.
- */
- gdk_pixbuf_xlib_render_pixmap_and_mask (pb, &pixmap, mask_ret, 128);
-
- if (!pixmap)
- {
- fprintf (stderr, "%s: out of memory (%d x %d)\n", progname, w, h);
- exit (-1);
- }
- /* gdk_pixbuf_unref (pb); -- #### does doing this free colors? */
-
- if (width_ret) *width_ret = w;
- if (height_ret) *height_ret = h;
-
- return pixmap;
- }
- else if (filename)
- {
-#ifdef HAVE_GTK2
- fprintf (stderr, "%s: %s\n", progname, gerr->message);
- g_error_free (gerr);
-#else /* !HAVE_GTK2 */
- fprintf (stderr, "%s: unable to load %s\n", progname, filename);
-#endif /* !HAVE_GTK2 */
- exit (-1);
- }
- else
- {
- fprintf (stderr, "%s: unable to initialize built-in images\n", progname);
- exit (-1);
- }
-}
-
-
-#elif defined(HAVE_XPM)
-
-#include <X11/Intrinsic.h>
-#include <X11/xpm.h>
-
-#ifdef HAVE_XMU
-# ifndef VMS
-# include <X11/Xmu/Drawing.h>
-#else /* VMS */
-# include <Xmu/Drawing.h>
-# endif /* VMS */
-#endif
-
-#undef countof
-#define countof(x) (sizeof((x))/sizeof((*x)))
-
-
-static int
-handle_xpm_error (const char *filename, int status)
-{
- if (!filename) filename = "builtin";
- switch (status)
- {
- case XpmSuccess:
- return 0;
- break;
- case XpmColorError:
- fprintf (stderr, "%s: %s: warning: color substitution performed\n",
- progname, filename);
- return 0;
- break;
- case XpmFileInvalid:
- return 1;
- break;
- case XpmOpenFailed:
- fprintf (stderr, "%s: %s: no such file\n", progname, filename);
- break;
- case XpmNoMemory:
- fprintf (stderr, "%s: %s: out of memory\n", progname, filename);
- break;
- case XpmColorFailed:
- fprintf (stderr, "%s: %s: color allocation failed\n",
- progname, filename);
- break;
- default:
- fprintf (stderr, "%s: %s: unknown XPM error %d\n", progname,
- filename, status);
- break;
- }
- exit (-1);
-}
-
-
-/* The libxpm version of this function...
- */
-static Pixmap
-xpm_to_pixmap_1 (Display *dpy, Window window,
- int *width_ret, int *height_ret,
- Pixmap *mask_ret,
- const char *filename,
- /*const*/ char * const *xpm_data)
-{
- Pixmap pixmap = 0;
- XpmAttributes xpmattrs;
- XpmImage xpm_image;
- XpmInfo xpm_info;
- int status;
- XWindowAttributes xgwa;
- XGetWindowAttributes (dpy, window, &xgwa);
-
- memset (&xpm_image, 0, sizeof(xpm_image));
- memset (&xpm_info, 0, sizeof(xpm_info));
-
- if (filename)
- {
- xpm_data = 0;
- status = XpmReadFileToData ((char *) filename, &xpm_data);
- if (handle_xpm_error (filename, status))
- goto TRY_XBM;
- }
-
- xpmattrs.valuemask = 0;
-
-# ifdef XpmCloseness
- xpmattrs.valuemask |= XpmCloseness;
- xpmattrs.closeness = 40000;
-# endif
-# ifdef XpmVisual
- xpmattrs.valuemask |= XpmVisual;
- xpmattrs.visual = xgwa.visual;
-# endif
-# ifdef XpmDepth
- xpmattrs.valuemask |= XpmDepth;
- xpmattrs.depth = xgwa.depth;
-# endif
-# ifdef XpmColormap
- xpmattrs.valuemask |= XpmColormap;
- xpmattrs.colormap = xgwa.colormap;
-# endif
-
- status = XpmCreatePixmapFromData (dpy, window, xpm_data,
- &pixmap, mask_ret, &xpmattrs);
- if (handle_xpm_error (filename, status))
- pixmap = 0;
- else
- {
- if (width_ret) *width_ret = xpmattrs.width;
- if (height_ret) *height_ret = xpmattrs.height;
- }
-
- TRY_XBM:
-
-#ifdef HAVE_XMU
- if (! pixmap)
- {
- unsigned long fg = BlackPixelOfScreen (xgwa.screen);
- unsigned long bg = WhitePixelOfScreen (xgwa.screen);
- int xh, yh;
- Pixmap b2;
- pixmap = XmuLocateBitmapFile (xgwa.screen, filename,
- 0, 0, width_ret, height_ret, &xh, &yh);
- if (! pixmap)
- {
- fprintf (stderr, "%s: couldn't find XBM %s\n", progname,
- filename);
- exit (-1);
- }
- b2 = XmuCreatePixmapFromBitmap (dpy, window, pixmap,
- *width_ret, *height_ret,
- xgwa.depth, fg, bg);
- XFreePixmap (dpy, pixmap);
- pixmap = b2;
-
- if (!pixmap)
- {
- fprintf (stderr, "%s: couldn't load XBM %s\n", progname, filename);
- exit (-1);
- }
- }
-#else /* !XMU */
- {
- fprintf (stderr,
- "%s: your vendor doesn't ship the standard Xmu library.\n",
- progname);
- fprintf (stderr, "\tWe can't load XBM files without it.\n");
- exit (-1);
- }
-#endif /* !XMU */
-
- return pixmap;
-}
-
-#else /* !HAVE_XPM && !HAVE_GDK_PIXBUF */
-
-/* If we don't have libXPM or Pixbuf, then use "minixpm".
- This can read XPM data from memory, but can't read files.
- */
-
-#include "minixpm.h"
-
-static Pixmap
-xpm_to_pixmap_1 (Display *dpy, Window window,
- int *width_ret, int *height_ret,
- Pixmap *mask_ret,
- const char *filename,
- /*const*/ char * const *xpm_data)
-{
- XWindowAttributes xgwa;
- XImage *ximage;
- Pixmap pixmap, p2 = 0;
- int iw, ih, npixels;
- unsigned long *pixels = 0;
- unsigned char *mask = 0;
- XGCValues gcv;
- GC gc;
-
- if (filename)
- {
- fprintf(stderr,
- "%s: no files: not compiled with XPM or Pixbuf support.\n",
- progname);
- exit (1);
- }
-
- if (! xpm_data) abort();
-
- XGetWindowAttributes (dpy, window, &xgwa);
- ximage = minixpm_to_ximage (dpy, xgwa.visual, xgwa.colormap, xgwa.depth,
- BlackPixelOfScreen (xgwa.screen),
- (const char * const *)
- xpm_data, &iw, &ih, &pixels, &npixels,
- (mask_ret ? &mask : 0));
- if (pixels) free (pixels);
-
- pixmap = XCreatePixmap (dpy, window, iw, ih, xgwa.depth);
- gc = XCreateGC (dpy, pixmap, 0, &gcv);
- XPutImage (dpy, pixmap, gc, ximage, 0, 0, 0, 0, iw, ih);
- XFreeGC (dpy, gc);
- XDestroyImage (ximage);
-
- if (mask)
- {
- p2 = XCreatePixmap (dpy, window, iw, ih, 1);
- gcv.foreground = 1;
- gcv.background = 0;
- gc = XCreateGC (dpy, p2, GCForeground|GCBackground, &gcv);
- ximage = XCreateImage (dpy, xgwa.visual, 1, XYBitmap, 0, (char *) mask,
- iw, ih, 8, 0);
- ximage->byte_order = ximage->bitmap_bit_order = LSBFirst;
- if (!ximage) abort();
- XPutImage (dpy, p2, gc, ximage, 0, 0, 0, 0, iw, ih);
- XFreeGC (dpy, gc);
- XDestroyImage (ximage);
- }
-
- if (width_ret) *width_ret = iw;
- if (height_ret) *height_ret = ih;
- if (mask_ret) *mask_ret = p2;
- return pixmap;
-}
-
-#endif /* minixpm */
-
-
-Pixmap
-xpm_data_to_pixmap (Display *dpy, Window window,
- /*const*/ char * const *xpm_data,
- int *width_ret, int *height_ret,
- Pixmap *mask_ret)
-{
- return xpm_to_pixmap_1 (dpy, window, width_ret, height_ret, mask_ret,
- 0, xpm_data);
-}
-
-
-Pixmap
-xpm_file_to_pixmap (Display *dpy, Window window, const char *filename,
- int *width_ret, int *height_ret,
- Pixmap *mask_ret)
-{
- return xpm_to_pixmap_1 (dpy, window, width_ret, height_ret, mask_ret,
- filename, 0);
-}
projects / xscreensaver / blobdiff