diff options
Diffstat (limited to 'nx-X11/lib/X11/WrBitF.c')
-rw-r--r-- | nx-X11/lib/X11/WrBitF.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/nx-X11/lib/X11/WrBitF.c b/nx-X11/lib/X11/WrBitF.c new file mode 100644 index 000000000..d8c9f18fa --- /dev/null +++ b/nx-X11/lib/X11/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 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); +} |