diff options
Diffstat (limited to 'nx-X11/lib/X11/GetImage.c')
| -rw-r--r-- | nx-X11/lib/X11/GetImage.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/nx-X11/lib/X11/GetImage.c b/nx-X11/lib/X11/GetImage.c deleted file mode 100644 index d80f6715f..000000000 --- a/nx-X11/lib/X11/GetImage.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - -Copyright 1986, 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. - -*/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" -#include <nx-X11/Xutil.h> /* for XDestroyImage */ -#include "ImUtil.h" -#include <limits.h> - -#define ROUNDUP(nbytes, pad) (((((nbytes) - 1) + (pad)) / (pad)) * (pad)) - -static unsigned int Ones( /* HACKMEM 169 */ - unsigned long mask) -{ - register unsigned long y; - - y = (mask >> 1) &033333333333; - y = mask - y - ((y >>1) & 033333333333); - return ((unsigned int) (((y + (y >> 3)) & 030707070707) % 077)); -} - -XImage *XGetImage ( - register Display *dpy, - Drawable d, - int x, - int y, - unsigned int width, - unsigned int height, - unsigned long plane_mask, - int format) /* either XYPixmap or ZPixmap */ -{ - xGetImageReply rep; - register xGetImageReq *req; - char *data; - unsigned long nbytes; - XImage *image; - int planes; - LockDisplay(dpy); - GetReq (GetImage, req); - /* - * first set up the standard stuff in the request - */ - req->drawable = d; - req->x = x; - req->y = y; - req->width = width; - req->height = height; - req->planeMask = plane_mask; - req->format = format; - - if (_XReply (dpy, (xReply *) &rep, 0, xFalse) == 0 || - rep.length == 0) { - UnlockDisplay(dpy); - SyncHandle(); - return (XImage *)NULL; - } - - if (rep.length < (INT_MAX >> 2)) { - nbytes = (unsigned long)rep.length << 2; - data = Xmalloc(nbytes); - } else - data = NULL; - if (! data) { - _XEatDataWords(dpy, rep.length); - UnlockDisplay(dpy); - SyncHandle(); - return (XImage *) NULL; - } - _XReadPad (dpy, data, nbytes); - if (format == XYPixmap) { - image = XCreateImage(dpy, _XVIDtoVisual(dpy, rep.visual), - Ones (plane_mask & - (((unsigned long)0xFFFFFFFF) >> (32 - rep.depth))), - format, 0, data, width, height, dpy->bitmap_pad, 0); - planes = image->depth; - } else { /* format == ZPixmap */ - image = XCreateImage (dpy, _XVIDtoVisual(dpy, rep.visual), - rep.depth, ZPixmap, 0, data, width, height, - _XGetScanlinePad(dpy, (int) rep.depth), 0); - planes = 1; - } - - if (!image) - Xfree(data); - if (planes < 1 || image->height < 1 || image->bytes_per_line < 1 || - INT_MAX / image->height <= image->bytes_per_line || - INT_MAX / planes <= image->height * image->bytes_per_line || - nbytes < planes * image->height * image->bytes_per_line) { - XDestroyImage(image); - image = NULL; - } - UnlockDisplay(dpy); - SyncHandle(); - return (image); -} - -XImage *XGetSubImage( - register Display *dpy, - Drawable d, - int x, - int y, - unsigned int width, - unsigned int height, - unsigned long plane_mask, - int format, /* either XYPixmap or ZPixmap */ - XImage *dest_image, - int dest_x, - int dest_y) -{ - XImage *temp_image; - temp_image = XGetImage(dpy, d, x, y, width, height, - plane_mask, format); - if (!temp_image) - return (XImage *)NULL; - _XSetImage(temp_image, dest_image, dest_x, dest_y); - XDestroyImage(temp_image); - return (dest_image); -} |