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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/lib/X11/WrBitF.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/lib/X11/WrBitF.c')
-rw-r--r--nx-X11/lib/X11/WrBitF.c158
1 files changed, 158 insertions, 0 deletions
diff --git a/nx-X11/lib/X11/WrBitF.c b/nx-X11/lib/X11/WrBitF.c
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+++ b/nx-X11/lib/X11/WrBitF.c
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+/* $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 0
+
+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);
+}