diff options
| -rw-r--r-- | xwud.c | 94 | ||||
| -rw-r--r-- | xwud.man | 41 |
2 files changed, 109 insertions, 26 deletions
@@ -26,7 +26,7 @@ other dealings in this Software without prior written authorization from The Open Group. */ -/* $XFree86: xc/programs/xwud/xwud.c,v 3.7 2001/12/14 20:02:35 dawes Exp $ */ +/* $XFree86: xc/programs/xwud/xwud.c,v 3.11 2003/11/17 15:18:08 tsi Exp $ */ /* xwud - marginally useful raster image undumper */ @@ -70,11 +70,12 @@ static void Do_Pseudo(Display *dpy, Colormap *colormap, int ncolors, XColor *colors, XImage *in_image, XImage *out_image); static void Do_Direct(Display *dpy, XWDFileHeader *header, Colormap *colormap, int ncolors, XColor *colors, - XImage *in_image, XImage *out_image); + XImage *in_image, XImage *out_image, XVisualInfo *vinfo); static unsigned int Image_Size(XImage *image); static void Error(char *string); static void _swapshort(char *bp, unsigned int n); static void _swaplong(char *bp, unsigned int n); +static void DumpHeader(const XWDFileHeader *header, const char *win_name); static void usage(void) @@ -148,6 +149,7 @@ main(int argc, char *argv[]) XStandardColormap *stdmaps, *stdmap = NULL; char c; int win_width, win_height; + Bool dump_header = False; progname = argv[0]; @@ -162,6 +164,10 @@ main(int argc, char *argv[]) display_name = argv[i]; continue; } + if (strcmp(argv[i], "-dumpheader") == 0) { + dump_header = True; + continue; + } if (strcmp(argv[i], "-fg") == 0) { if (++i >= argc) usage(); fgname = argv[i]; @@ -276,6 +282,11 @@ main(int argc, char *argv[]) if(!Read(win_name + 6, sizeof(char), win_name_size, in_file)) Error("Unable to read window name from dump file."); + if (dump_header) { + DumpHeader(&header, win_name); + exit(0); + } + /* initialize the input image */ in_image = &in_image_struct; @@ -397,7 +408,7 @@ main(int argc, char *argv[]) mask |= VisualIDMask; sscanf(vis, "0x%lx", &vinfo.visualid); if (!vinfo.visualid) - sscanf(vis, "%ld", &vinfo.visualid); + sscanf(vis, "%lu", &vinfo.visualid); if (!vinfo.visualid) Error("invalid visual specifier"); } @@ -530,7 +541,7 @@ main(int argc, char *argv[]) } else if ((header.visual_class == TrueColor) || (header.visual_class == DirectColor)) Do_Direct(dpy, &header, &colormap, ncolors, colors, - in_image, out_image); + in_image, out_image, &vinfo); else Do_Pseudo(dpy, &colormap, ncolors, colors, in_image, out_image); } @@ -871,9 +882,9 @@ VisualRank(int class) switch (class) { case PseudoColor: return 5; - case DirectColor: - return 4; case TrueColor: + return 4; + case DirectColor: return 3; case StaticColor: return 2; @@ -981,12 +992,15 @@ Do_Pseudo(Display *dpy, Colormap *colormap, static void Do_Direct(Display *dpy, XWDFileHeader *header, Colormap *colormap, - int ncolors, XColor *colors, XImage *in_image, XImage *out_image) + int ncolors, XColor *colors, XImage *in_image, XImage *out_image, + XVisualInfo *vinfo) { register int x, y; XColor color; unsigned long rmask, gmask, bmask; - int rshift = 0, gshift = 0, bshift = 0; + unsigned long ormask, ogmask, obmask; + unsigned long rshift = 0, gshift = 0, bshift = 0; + unsigned long orshift = 0, ogshift = 0, obshift = 0; int i; unsigned long pix, xpix; unsigned long *pixels, *rpixels; @@ -1040,7 +1054,38 @@ Do_Direct(Display *dpy, XWDFileHeader *header, Colormap *colormap, XPutPixel(out_image, x, y, color.pixel); } } + } else if (header->visual_class == TrueColor && + vinfo->class == TrueColor) { + ormask = vinfo->red_mask; + while (!(ormask & 1)) { + ormask >>= 1; + orshift++; + } + ogmask = vinfo->green_mask; + while (!(ogmask & 1)) { + ogmask >>= 1; + ogshift++; + } + obmask = vinfo->blue_mask; + while (!(obmask & 1)) { + obmask >>= 1; + obshift++; + } + for (y = 0; y < in_image->height; y++) { + for (x = 0; x < in_image->width; x++) { + pix = XGetPixel(in_image, x, y); + xpix = (((((pix >> rshift) & rmask) * 65535 / rmask) + * ormask / 65535) << orshift) | + (((((pix >> gshift) & gmask) * 65535 / gmask) + * ogmask / 65535) << ogshift) | + (((((pix >> bshift) & bmask) * 65535 / bmask) + * obmask / 65535) << obshift); + XPutPixel(out_image, x, y, xpix); + } + } } else { + if (header->visual_class == TrueColor) + ncolors = 0; pix = 1 << 12; pixels = (unsigned long *)malloc(sizeof(unsigned long) * pix); rpixels = (unsigned long *)malloc(sizeof(unsigned long) * pix); @@ -1136,3 +1181,36 @@ _swaplong(char *bp, unsigned int n) bp += 2; } } + +static void +DumpHeader(const XWDFileHeader *header, const char *win_name) +{ + printf("window name: %s\n", win_name); + printf("sizeof(XWDheader): %d\n", (int)sizeof(*header)); + printf("header size: %d\n", (int)header->header_size); + printf("file version: %d\n", (int)header->file_version); + printf("pixmap format: %d\n", (int)header->pixmap_format); + printf("pixmap depth: %d\n", (int)header->pixmap_depth); + printf("pixmap width: %d\n", (int)header->pixmap_width); + printf("pixmap height: %d\n", (int)header->pixmap_height); + printf("x offset: %d\n", (int)header->xoffset); + printf("byte order: %d\n", (int)header->byte_order); + printf("bitmap unit: %d\n", (int)header->bitmap_unit); + printf("bitmap bit order: %d\n", (int)header->bitmap_bit_order); + printf("bitmap pad: %d\n", (int)header->bitmap_pad); + printf("bits per pixel: %d\n", (int)header->bits_per_pixel); + printf("bytes per line: %d\n", (int)header->bytes_per_line); + printf("visual class: %d\n", (int)header->visual_class); + printf("red mask: %d\n", (int)header->red_mask); + printf("green mask: %d\n", (int)header->green_mask); + printf("blue mask: %d\n", (int)header->blue_mask); + printf("bits per rgb: %d\n", (int)header->bits_per_rgb); + printf("colormap entries: %d\n", (int)header->colormap_entries); + printf("num colors: %d\n", (int)header->ncolors); + printf("window width: %d\n", (int)header->window_width); + printf("window height: %d\n", (int)header->window_height); + printf("window x: %d\n", (int)header->window_x); + printf("window y: %d\n", (int)header->window_y); + printf("border width: %d\n", (int)header->window_bdrwidth); +} + @@ -23,16 +23,17 @@ .\" other dealings in this Software without prior written authorization .\" from The Open Group. .\" -.\" $XFree86: xc/programs/xwud/xwud.man,v 1.9 2002/04/22 20:53:11 herrb Exp $ +.\" $XFree86: xc/programs/xwud/xwud.man,v 1.10 2003/11/15 02:40:28 dawes Exp $ .\" .TH XWUD 1 __xorgversion__ .SH NAME xwud - image displayer for X .SH SYNOPSIS .B "xwud" -[-in \fIfile\fP] [-noclick] [-geometry \fIgeom\fP] [-display \fIdisplay\fP] -[-new] [-std <maptype>] [-raw] [-vis <vis-type-or-id>] [-scale] -[-help] [-rv] [-plane \fInumber\fP] [-fg \fIcolor\fP] [-bg \fIcolor\fP] +[\-in \fIfile\fP] [\-noclick] [\-geometry \fIgeom\fP] [\-display \fIdisplay\fP] +[\-new] [\-std <maptype>] [\-raw] [\-vis <vis-type-or-id>] [\-scale] +[\-help] [\-rv] [\-plane \fInumber\fP] [\-fg \fIcolor\fP] [\-bg \fIcolor\fP] +[\-dumpheader] .SH DESCRIPTION .PP .I Xwud @@ -43,37 +44,41 @@ in a specially formatted dump file, such as produced by \fIxwd(1)\fP. .SH OPTIONS .PP .TP 8 -.B "-bg \fIcolor\fP" +.B "\-bg \fIcolor\fP" If a bitmap image (or a single plane of an image) is displayed, this option can be used to specify the color to display for the "0" bits in the image. .PP .TP 8 -.B "-display \fIdisplay\fP" +.B "\-display \fIdisplay\fP" This option allows you to specify the server to connect to; see \fIX(__miscmansuffix__)\fP. .PP .TP 8 -.B "-fg \fIcolor\fP" +.B \-dumpheader +This option prints out the XWD header information only. Nothing is displayed. +.PP +.TP 8 +.B "\-fg \fIcolor\fP" If a bitmap image (or a single plane of an image) is displayed, this option can be used to specify the color to display for the "1" bits in the image. .PP .TP 8 -.B "-geometry \fIgeom\fP" +.B "\-geometry \fIgeom\fP" This option allows you to specify the size and position of the window. Typically you will only want to specify the position, and let the size default to the actual size of the image. .PP .TP 8 -.B "-help" +.B "\-help" Print out a short description of the allowable options. .PP .TP 8 -.B "-in \fIfile\fP" +.B "\-in \fIfile\fP" This option allows the user to explicitly specify the input file on the command line. If no input file is given, the standard input is assumed. .PP .TP 8 -.B -new +.B \-new This option forces creation of a new colormap for displaying the image. If the image characteristics happen to match those of the display, this can get the image on the screen faster, but at the cost of using a new @@ -81,19 +86,19 @@ colormap (which on most displays will cause other windows to go technicolor). .PP .TP 8 -.B "-noclick" +.B "\-noclick" Clicking any button in the window will terminate the application, unless this option is specified. Termination can always be achieved by typing 'q', 'Q', or ctrl-c. .PP .TP 8 -.B "-plane \fInumber\fP" +.B "\-plane \fInumber\fP" You can select a single bit plane of the image to display with this option. Planes are numbered with zero being the least significant bit. .PP .TP 8 -.B -raw +.B \-raw This option forces the image to be displayed with whatever color values happen to currently exist on the screen. This option is mostly useful when undumping an image back onto the same screen that the image originally @@ -101,18 +106,18 @@ came from, while the original windows are still on the screen, and results in getting the image on the screen faster. .PP .TP 8 -.B -rv +.B \-rv If a bitmap image (or a single plane of an image) is displayed, this option forces the foreground and background colors to be swapped. This may be needed when displaying a bitmap image which has the color sense of pixel values "0" and "1" reversed from what they are on your display. .PP .TP 8 -.B -scale +.B \-scale Allow the window to be resized, and scale the image to the size of the window. .PP .TP 8 -.B "-std \fImaptype\fP" +.B "\-std \fImaptype\fP" This option causes the image to be displayed using the specified Standard Colormap. The property name is obtained by converting the type to upper case, prepending "RGB_", and appending "_MAP". @@ -120,7 +125,7 @@ Typical types are "best", "default", and "gray". See \fIxstdcmap(1)\fP for one way of creating Standard Colormaps. .PP .TP 8 -.B "-vis \fIvis-type-or-id\fP" +.B "\-vis \fIvis-type-or-id\fP" This option allows you to specify a particular visual or visual class. The default is to pick the "best" one. A particular class can be specified: "StaticGray", "GrayScale", "StaticColor", "PseudoColor", |