diff options
Diffstat (limited to 'converter/other/fiasco/display.c')
| -rw-r--r-- | converter/other/fiasco/display.c | 208 |
1 files changed, 104 insertions, 104 deletions
diff --git a/converter/other/fiasco/display.c b/converter/other/fiasco/display.c index d8d32fa6..5eed6aeb 100644 --- a/converter/other/fiasco/display.c +++ b/converter/other/fiasco/display.c @@ -1,11 +1,11 @@ /* - * display.c: X11 display of frames + * display.c: X11 display of frames + * + * Written by: Ullrich Hafner * - * 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> @@ -37,8 +37,8 @@ /***************************************************************************** - shared memory functions (if USE_SHM is defined) - + shared memory functions (if USE_SHM is defined) + *****************************************************************************/ #ifdef USE_SHM @@ -64,16 +64,16 @@ 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 shmem_flag; +static XShmSegmentInfo shminfo1, shminfo2; +static int gXErrorFlag; +static int CompletionType = -1; static int HandleXError (Display *dpy, XErrorEvent *event) { gXErrorFlag = 1; - + return 0; } @@ -95,21 +95,21 @@ DeInstallXErrorHandler (x11_info_t *xinfo) /***************************************************************************** - public code - + 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'). + * (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 @@ -125,28 +125,28 @@ display_image (unsigned x0, unsigned y0, x11_info_t *xinfo) { 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); + 0, 0, x0, y0, xinfo->ximage->width, xinfo->ximage->height, + True); XFlush (xinfo->display); - + while (!XCheckTypedEvent (xinfo->display, CompletionType, &xev)) - ; + ; } - else + else #endif /* USE_SHM */ { - xinfo->ximage->data = (char *) xinfo->pixels; + 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); + x0, y0, xinfo->ximage->width, xinfo->ximage->height); } } @@ -177,7 +177,7 @@ close_window (x11_info_t *xinfo) x11_info_t * open_window (const char *titlename, const char *iconname, - unsigned width, unsigned height) + unsigned width, unsigned height) /* * Open a X11 window of size 'width'x'height'. * If 'color' is false then allocate a colormap with grayscales. @@ -185,20 +185,20 @@ open_window (const char *titlename, const char *iconname, * respectively. * * Return value: - * X11 info struct containing display, gc, window ID and colormap. + * 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)); + 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"); /* @@ -207,32 +207,32 @@ open_window (const char *titlename, const char *iconname, xinfo->display = XOpenDisplay (NULL); if (xinfo->display == NULL) error ("Can't open display.\n" - "Make sure that your environment variable DISPLAY " - "is set correctly."); + "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}; + unsigned depth [] = {32, 24, 16}; + int class [] = {TrueColor, PseudoColor}; const char *class_text [] = {"TrueColor", "PseudoColor"}; - Status found = 0; + 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]); - } + 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"); + 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; @@ -249,22 +249,22 @@ open_window (const char *titlename, const char *iconname, { mask |= CWColormap; xswa.colormap = XCreateColormap (xinfo->display, - DefaultRootWindow (xinfo->display), - visual_info.visual, AllocNone); + 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); + 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); + None, NULL, 0, &hint); /* Map window. */ XMapWindow (xinfo->display, xinfo->window); @@ -290,23 +290,23 @@ alloc_ximage (x11_info_t *xinfo, unsigned width, unsigned height) * No return value. * * Side effects: - * 'ximage->ximage' and 'ximage->pixels' are set to useful values. + * '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"); + fprintf (stderr, "Trying shared memory.\n"); shmem_flag = 1; } else { shmem_flag = 0; if (fiasco_get_verbosity ()) - fprintf (stderr, + fprintf (stderr, "Shared memory does not work on this system\n" "Reverting to normal Xlib.\n"); } @@ -319,34 +319,34 @@ alloc_ximage (x11_info_t *xinfo, unsigned width, unsigned height) if (shmem_flag) { xinfo->ximage = XShmCreateImage (xinfo->display, - DefaultVisual (xinfo->display, - xinfo->screen), - DefaultDepth (xinfo->display, - xinfo->screen), ZPixmap, - NULL, &shminfo1, width, height); + 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; + 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); + * 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; + 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); @@ -354,13 +354,13 @@ alloc_ximage (x11_info_t *xinfo, unsigned width, unsigned height) 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; + 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; @@ -372,18 +372,18 @@ alloc_ximage (x11_info_t *xinfo, unsigned width, unsigned height) 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; + /* 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); + shmctl (shminfo1.shmid, IPC_RMID, 0); if (fiasco_get_verbosity ()) - fprintf (stderr, "Sharing memory.\n"); + fprintf (stderr, "Sharing memory.\n"); } else { @@ -392,19 +392,19 @@ alloc_ximage (x11_info_t *xinfo, unsigned width, unsigned height) #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); + 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))); + 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."); - + error ("Out of memory."); + #ifdef USE_SHM } |