1 files changed, 158 insertions, 0 deletions
diff --git a/libX11/src/WrBitF.c b/libX11/src/WrBitF.c
new file mode 100644
index 000000000..5062fdcae
--- /dev/null
+++ b/libX11/src/WrBitF.c
@@ -0,0 +1,158 @@
+/* $Xorg: WrBitF.c,v 1.4 2001/02/09 02:03:37 xorgcvs Exp $ */
+/*
+
+Copyright 1987, 1998  The Open Group
+
+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.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+/* $XFree86: xc/lib/X11/WrBitF.c,v 3.6 2003/04/13 19:22:18 dawes Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include <X11/Xos.h>
+#include "Xutil.h"
+#include <stdio.h>
+
+#define ERR_RETURN NULL
+
+static char *Format_Image(
+    XImage *image,
+    int *resultsize)
+{
+  register int x, c, b;
+  register char *ptr;
+  int y;
+  char *data;
+  int width, height;
+  int bytes_per_line;
+
+  width = image->width;
+  height = image->height;
+
+  bytes_per_line = (width+7)/8;
+  *resultsize = bytes_per_line * height;           /* Calculate size of data */
+
+  data = (char *) Xmalloc( *resultsize );           /* Get space for data */
+  if (!data)
+    return(ERR_RETURN);
+
+  /*
+   * The slow but robust brute force method of converting the image:
+   */
+  ptr = data;
+  c = 0; b=1;
+  for (y=0; y<height; y++) {
+    for (x=0; x<width;) {
+      if (XGetPixel(image, x, y))
+	c |= b;
+      b <<= 1;
+      if (!(++x & 7)) {
+	*(ptr++)=c;
+	c=0; b=1;
+      }
+    }
+    if (x & 7) {
+      *(ptr++)=c;
+      c=0; b=1;
+    }
+  }
+
+  return(data);
+}
+   
+#define BYTES_PER_OUTPUT_LINE 12
+
+int
+XWriteBitmapFile(
+     Display *display,
+     _Xconst char *filename,
+     Pixmap bitmap,
+     unsigned int width,
+     unsigned int height,
+     int x_hot,
+     int y_hot)
+{
+  char *data, *ptr;
+  int size, byte;
+  int c;
+  XImage *image;
+  FILE *stream;
+  char *name;
+
+  if (!(name = strrchr(filename, '/')))
+    name = (char *)filename;
+  else
+    name++;
+
+#ifdef __UNIXOS2__
+  filename = (char*)__XOS2RedirRoot(filename);
+#endif
+  if (!(stream = fopen(filename, "w")))
+    return(BitmapOpenFailed);
+
+  /* Convert bitmap to an image */
+  image = XGetImage(display, bitmap, 0,0,width, height, 1L, XYPixmap);
+  if (!image) {
+    fclose(stream);
+    return(4); /* XXX spec does not say what to return */
+  }
+
+  /* Get standard format for data */
+  data = Format_Image(image, &size);
+  XDestroyImage(image);
+  if (!data) {
+    fclose(stream);
+    return(BitmapNoMemory);
+  }
+
+  /* Write out standard header */
+  fprintf(stream, "#define %s_width %d\n", name, width);
+  fprintf(stream, "#define %s_height %d\n", name, height);
+  if (x_hot != -1) {
+    fprintf(stream, "#define %s_x_hot %d\n", name, x_hot);
+    fprintf(stream, "#define %s_y_hot %d\n", name, y_hot);
+  }
+
+  /* Print out the data itself */
+  fprintf(stream, "static unsigned char %s_bits[] = {", name);
+  for (byte=0, ptr=data; byte<size; byte++, ptr++) {
+    if (!byte)
+      fprintf(stream, "\n   ");
+    else if (!(byte % BYTES_PER_OUTPUT_LINE))
+      fprintf(stream, ",\n   ");
+    else
+      fprintf(stream, ", ");
+    c = *ptr;
+    if (c<0)
+      c += 256;
+    fprintf(stream, "0x%02x", c);
+  }
+  fprintf(stream, "};\n");
+
+  Xfree(data);
+  fclose(stream);
+  return(BitmapSuccess);
+}