diff options
Diffstat (limited to 'converter/other/fiasco/display.c')
| -rw-r--r-- | converter/other/fiasco/display.c | 415 |
1 files changed, 0 insertions, 415 deletions
diff --git a/converter/other/fiasco/display.c b/converter/other/fiasco/display.c deleted file mode 100644 index 5eed6aeb..00000000 --- a/converter/other/fiasco/display.c +++ /dev/null @@ -1,415 +0,0 @@ -/* - * display.c: X11 display of frames - * - * Written by: Ullrich Hafner - * - * This file is part of FIASCO (Fractal Image And Sequence COdec) - * Copyright (C) 1994-2000 Ullrich Hafner - * - * Based on mpeg2decode, (C) 1994, MPEG Software Simulation Group - * and mpeg2play, (C) 1994 Stefan Eckart - * <stefan@lis.e-technik.tu-muenchen.de> - * and tmndec (C) 1995, 1996 Telenor R&D, Norway - */ - -/* - * $Date: 2000/07/03 19:35:59 $ - * $Author: hafner $ - * $Revision: 5.2 $ - * $State: Exp $ - */ - -#include "config.h" - -#ifndef X_DISPLAY_MISSING - -#include <X11/Xlib.h> -#include <X11/Xutil.h> -#include <X11/keysym.h> - -#include <stdlib.h> -#include <string.h> - -#include "types.h" -#include "macros.h" -#include "display.h" -#include "binerror.h" - -/***************************************************************************** - - shared memory functions (if USE_SHM is defined) - -*****************************************************************************/ - -#ifdef USE_SHM - -#ifdef HAVE_FEATURES_H -#include <features.h> -#endif - -#include <sys/types.h> -#include <sys/ipc.h> -#include <sys/shm.h> -#include <X11/extensions/XShm.h> - -int -XShmQueryExtension (Display *dpy); -int -XShmGetEventBase (Display *dpy); - -static int -HandleXError (Display *dpy, XErrorEvent *event); -static void -InstallXErrorHandler (x11_info_t *xinfo); -static void -DeInstallXErrorHandler (x11_info_t *xinfo); - -static int shmem_flag; -static XShmSegmentInfo shminfo1, shminfo2; -static int gXErrorFlag; -static int CompletionType = -1; - -static int -HandleXError (Display *dpy, XErrorEvent *event) -{ - gXErrorFlag = 1; - - return 0; -} - -static void -InstallXErrorHandler (x11_info_t *xinfo) -{ - XSetErrorHandler (HandleXError); - XFlush (xinfo->display); -} - -static void -DeInstallXErrorHandler (x11_info_t *xinfo) -{ - XSetErrorHandler (NULL); - XFlush (xinfo->display); -} - -#endif /* USE_SHM */ - -/***************************************************************************** - - public code - -*****************************************************************************/ - -void -display_image (unsigned x0, unsigned y0, x11_info_t *xinfo) -/* - * Display 'image' at pos ('x0', 'y0') in the current window - * (given by 'xinfo->window'). - * - * No return value. - */ -{ - int byte_order_check = 1; - - /* - * Always work in native bit and byte order. This tells Xlib to - * reverse bit and byte order if necessary when crossing a - * network. Frankly, this part of XImages is somewhat - * underdocumented, so this may not be exactly correct. - */ - if (*(char *) & byte_order_check == 1) - { - xinfo->ximage->byte_order = LSBFirst; - xinfo->ximage->bitmap_bit_order = LSBFirst; - } - else - { - xinfo->ximage->byte_order = MSBFirst; - xinfo->ximage->bitmap_bit_order = MSBFirst; - } - - /* Display dithered image */ -#ifdef USE_SHM - if (shmem_flag) - { - XEvent xev; - - XShmPutImage (xinfo->display, xinfo->window, xinfo->gc, xinfo->ximage, - 0, 0, x0, y0, xinfo->ximage->width, xinfo->ximage->height, - True); - XFlush (xinfo->display); - - while (!XCheckTypedEvent (xinfo->display, CompletionType, &xev)) - ; - } - else -#endif /* USE_SHM */ - { - xinfo->ximage->data = (char *) xinfo->pixels; - XPutImage (xinfo->display, xinfo->window, xinfo->gc, xinfo->ximage, 0, 0, - x0, y0, xinfo->ximage->width, xinfo->ximage->height); - } -} - -void -close_window (x11_info_t *xinfo) -{ -#ifdef USE_SHM - if (shmem_flag && xinfo->ximage) - { - XShmDetach (xinfo->display, &shminfo1); - XDestroyImage (xinfo->ximage); - xinfo->ximage = NULL; - shmdt (shminfo1.shmaddr); - } - else -#endif /* USE_SHM */ - if (xinfo->ximage) - { - XDestroyImage (xinfo->ximage); - xinfo->ximage = NULL; - } - if (xinfo->display) - { - XCloseDisplay (xinfo->display); - xinfo->display = NULL; - } -} - -x11_info_t * -open_window (const char *titlename, const char *iconname, - unsigned width, unsigned height) -/* - * Open a X11 window of size 'width'x'height'. - * If 'color' is false then allocate a colormap with grayscales. - * Window and icon titles are given by 'titlename' and 'iconname', - * respectively. - * - * Return value: - * X11 info struct containing display, gc, window ID and colormap. - */ -{ - XVisualInfo visual_template; /* template for XGetVisualInfo() */ - XVisualInfo visual_info; /* return value of XGetVisualInfo() */ - int visual_n; /* # of matches of XGetVisualInfo */ - XEvent xev; - XSizeHints hint; - XSetWindowAttributes xswa; - unsigned int fg, bg; /* foreground and background color */ - unsigned int mask; /* event mask */ - x11_info_t *xinfo = calloc (1, sizeof (x11_info_t)); - long visual_mask; - - if (!xinfo) - error ("Out of memory"); - /* - * Initialization of display - */ - xinfo->display = XOpenDisplay (NULL); - if (xinfo->display == NULL) - error ("Can't open display.\n" - "Make sure that your environment variable DISPLAY " - "is set correctly."); - - xinfo->screen = DefaultScreen (xinfo->display); - xinfo->gc = DefaultGC (xinfo->display, xinfo->screen); - - { - unsigned depth [] = {32, 24, 16}; - int class [] = {TrueColor, PseudoColor}; - const char *class_text [] = {"TrueColor", "PseudoColor"}; - Status found = 0; - unsigned d, c; - - for (d = 0; !found && d < sizeof (depth) / sizeof (unsigned); d++) - for (c = 0; !found && c < sizeof (class) / sizeof (int); c++) - { - found = XMatchVisualInfo (xinfo->display, xinfo->screen, - depth [d], class [c], &visual_info); - if (found) - fprintf (stderr, "%s : %d bit colordepth.\n", - class_text [c], depth [d]); - } - if (!found && fiasco_get_verbosity ()) - error ("Can't find a 16/24/32 bit TrueColor/DirectColor display"); - } - - /* Width and height of the display window */ - hint.x = hint.y = 0; - hint.min_width = hint.max_width = hint.width = width; - hint.min_height = hint.max_height = hint.height = height; - hint.flags = PSize | PMinSize | PMaxSize; - - /* Get some colors */ - bg = WhitePixel (xinfo->display, xinfo->screen); - fg = BlackPixel (xinfo->display, xinfo->screen); - - /* Make the window */ - mask = CWBackPixel | CWBorderPixel; - if (visual_info.depth >= 16) - { - mask |= CWColormap; - xswa.colormap = XCreateColormap (xinfo->display, - DefaultRootWindow (xinfo->display), - visual_info.visual, AllocNone); - } - xswa.background_pixel = bg; - xswa.border_pixel = fg; - xinfo->window = XCreateWindow (xinfo->display, - DefaultRootWindow (xinfo->display), 0, 0, - width, height, 1, visual_info.depth, - InputOutput, visual_info.visual, - mask, &xswa); - - XSelectInput (xinfo->display, xinfo->window, StructureNotifyMask); - - /* Tell other applications about this window */ - XSetStandardProperties (xinfo->display, xinfo->window, titlename, iconname, - None, NULL, 0, &hint); - - /* Map window. */ - XMapWindow (xinfo->display, xinfo->window); - - /* Wait for map. */ - do - { - XNextEvent (xinfo->display, &xev); - } - while (xev.type != MapNotify || xev.xmap.event != xinfo->window); - - /* Allocate colors */ - - return xinfo; -} - -void -alloc_ximage (x11_info_t *xinfo, unsigned width, unsigned height) -/* - * Allocate ximage of size 'width'x'height'. - * If USE_SHM is defined then use shared memory extensions. - * - * No return value. - * - * Side effects: - * 'ximage->ximage' and 'ximage->pixels' are set to useful values. - */ -{ - char dummy; - -#ifdef USE_SHM - if (XShmQueryExtension(xinfo->display)) - { - if (fiasco_get_verbosity ()) - fprintf (stderr, "Trying shared memory.\n"); - shmem_flag = 1; - } - else - { - shmem_flag = 0; - if (fiasco_get_verbosity ()) - fprintf (stderr, - "Shared memory does not work on this system\n" - "Reverting to normal Xlib.\n"); - } - - if (shmem_flag) - CompletionType = XShmGetEventBase (xinfo->display) + ShmCompletion; - - InstallXErrorHandler (xinfo); - - if (shmem_flag) - { - xinfo->ximage = XShmCreateImage (xinfo->display, - DefaultVisual (xinfo->display, - xinfo->screen), - DefaultDepth (xinfo->display, - xinfo->screen), ZPixmap, - NULL, &shminfo1, width, height); - - /* If no go, then revert to normal Xlib calls. */ - - if (xinfo->ximage == NULL) - { - if (fiasco_get_verbosity ()) - fprintf (stderr, - "Shared memory error, disabling (Ximage error).\n"); - goto shmemerror; - } - - /* Success here, continue. */ - - shminfo1.shmid = shmget (IPC_PRIVATE, xinfo->ximage->bytes_per_line - * xinfo->ximage->height, IPC_CREAT | 0777); - - if (shminfo1.shmid < 0) - { - XDestroyImage (xinfo->ximage); - if (fiasco_get_verbosity ()) - fprintf (stderr, - "Shared memory error, disabling (seg id error).\n"); - goto shmemerror; - } - - shminfo1.shmaddr = (char *) shmat (shminfo1.shmid, 0, 0); - shminfo2.shmaddr = (char *) shmat (shminfo2.shmid, 0, 0); - - if (shminfo1.shmaddr == ((char *) -1)) - { - XDestroyImage (xinfo->ximage); - if (shminfo1.shmaddr != ((char *) -1)) - shmdt (shminfo1.shmaddr); - if (fiasco_get_verbosity ()) - fprintf (stderr, - "Shared memory error, disabling (address error).\n"); - goto shmemerror; - } - - xinfo->ximage->data = shminfo1.shmaddr; - xinfo->pixels = (byte_t *) xinfo->ximage->data; - shminfo1.readOnly = False; - - XShmAttach (xinfo->display, &shminfo1); - XSync (xinfo->display, False); - - if (gXErrorFlag) - { - /* Ultimate failure here. */ - XDestroyImage (xinfo->ximage); - shmdt (shminfo1.shmaddr); - if (fiasco_get_verbosity ()) - fprintf (stderr, "Shared memory error, disabling.\n"); - gXErrorFlag = 0; - goto shmemerror; - } - else - shmctl (shminfo1.shmid, IPC_RMID, 0); - if (fiasco_get_verbosity ()) - fprintf (stderr, "Sharing memory.\n"); - } - else - { - shmemerror: - shmem_flag = 0; -#endif /* USE_SHM */ - - xinfo->ximage = XCreateImage (xinfo->display, - DefaultVisual (xinfo->display, - xinfo->screen), - DefaultDepth (xinfo->display, - xinfo->screen), - ZPixmap, 0, &dummy, width, height, 8, 0); - xinfo->pixels = calloc (width * height, - xinfo->ximage->depth <= 8 - ? sizeof (byte_t) - : (xinfo->ximage->depth <= 16 - ? sizeof (u_word_t) : sizeof (unsigned int))); - if (!xinfo->pixels) - error ("Out of memory."); - -#ifdef USE_SHM - } - - DeInstallXErrorHandler (xinfo); -#endif /* USE_SHM */ -} - -#endif /* not X_DISPLAY_MISSING */ |