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-rw-r--r--libX11/src/GetImage.c257
1 files changed, 128 insertions, 129 deletions
diff --git a/libX11/src/GetImage.c b/libX11/src/GetImage.c
index 602ba6588..2017b30c6 100644
--- a/libX11/src/GetImage.c
+++ b/libX11/src/GetImage.c
@@ -1,129 +1,128 @@
-/*
-
-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.
-
-*/
-
-#define NEED_REPLIES
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "Xlibint.h"
-#include <X11/Xutil.h> /* for XDestroyImage */
-#include "ImUtil.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;
- long nbytes;
- XImage *image;
- 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;
- }
-
- nbytes = (long)rep.length << 2;
- data = (char *) Xmalloc((unsigned) nbytes);
- if (! data) {
- _XEatData(dpy, (unsigned long) nbytes);
- 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);
- else /* format == ZPixmap */
- image = XCreateImage (dpy, _XVIDtoVisual(dpy, rep.visual),
- rep.depth, ZPixmap, 0, data, width, height,
- _XGetScanlinePad(dpy, (int) rep.depth), 0);
-
- if (!image)
- Xfree(data);
- 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);
-}
+/*
+
+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 <X11/Xutil.h> /* for XDestroyImage */
+#include "ImUtil.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;
+ long nbytes;
+ XImage *image;
+ 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;
+ }
+
+ nbytes = (long)rep.length << 2;
+ data = (char *) Xmalloc((unsigned) nbytes);
+ if (! data) {
+ _XEatData(dpy, (unsigned long) nbytes);
+ 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);
+ else /* format == ZPixmap */
+ image = XCreateImage (dpy, _XVIDtoVisual(dpy, rep.visual),
+ rep.depth, ZPixmap, 0, data, width, height,
+ _XGetScanlinePad(dpy, (int) rep.depth), 0);
+
+ if (!image)
+ Xfree(data);
+ 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);
+}
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