diff options
Diffstat (limited to 'src/Region.c')
| -rw-r--r-- | src/Region.c | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/src/Region.c b/src/Region.c new file mode 100644 index 0000000..6bf0329 --- /dev/null +++ b/src/Region.c @@ -0,0 +1,438 @@ +/* + * $Id$ + * + * Copyright © 2003 Keith Packard + * + * 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, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#include "Xfixesint.h" + +XserverRegion +XFixesCreateRegion (Display *dpy, XRectangle *rectangles, int nrectangles) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesCreateRegionReq *req; + long len; + XserverRegion region; + + XFixesCheckExtension (dpy, info, 0); + LockDisplay (dpy); + GetReq (XFixesCreateRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesCreateRegion; + region = req->region = XAllocID (dpy); + len = ((long) nrectangles) << 1; + SetReqLen (req, len, len); + len <<= 2; + Data16 (dpy, (short *) rectangles, len); + UnlockDisplay (dpy); + SyncHandle(); + return region; +} + +XserverRegion +XFixesCreateRegionFromBitmap (Display *dpy, Pixmap bitmap) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesCreateRegionFromBitmapReq *req; + XserverRegion region; + + XFixesCheckExtension (dpy, info, 0); + LockDisplay (dpy); + GetReq (XFixesCreateRegionFromBitmap, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesCreateRegionFromBitmap; + region = req->region = XAllocID (dpy); + req->bitmap = bitmap; + UnlockDisplay (dpy); + SyncHandle(); + return region; +} + +XserverRegion +XFixesCreateRegionFromWindow (Display *dpy, Window window, int kind) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesCreateRegionFromWindowReq *req; + XserverRegion region; + + XFixesCheckExtension (dpy, info, 0); + LockDisplay (dpy); + GetReq (XFixesCreateRegionFromWindow, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesCreateRegionFromWindow; + region = req->region = XAllocID (dpy); + req->window = window; + req->kind = kind; + UnlockDisplay (dpy); + SyncHandle(); + return region; +} + +XserverRegion +XFixesCreateRegionFromGC (Display *dpy, GC gc) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesCreateRegionFromGCReq *req; + XserverRegion region; + + XFixesCheckExtension (dpy, info, 0); + LockDisplay (dpy); + GetReq (XFixesCreateRegionFromGC, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesCreateRegionFromGC; + region = req->region = XAllocID (dpy); + req->gc = gc->gid; + UnlockDisplay (dpy); + SyncHandle(); + return region; +} + +XserverRegion +XFixesCreateRegionFromPicture (Display *dpy, XID picture) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesCreateRegionFromPictureReq *req; + XserverRegion region; + + XFixesCheckExtension (dpy, info, 0); + LockDisplay (dpy); + GetReq (XFixesCreateRegionFromPicture, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesCreateRegionFromPicture; + region = req->region = XAllocID (dpy); + req->picture = picture; + UnlockDisplay (dpy); + SyncHandle(); + return region; +} + +void +XFixesDestroyRegion (Display *dpy, XserverRegion region) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesDestroyRegionReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesDestroyRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesDestroyRegion; + req->region = region; + UnlockDisplay (dpy); + SyncHandle(); +} + +void +XFixesSetRegion (Display *dpy, XserverRegion region, + XRectangle *rectangles, int nrectangles) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesSetRegionReq *req; + long len; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesSetRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesSetRegion; + req->region = region; + len = ((long) nrectangles) << 1; + SetReqLen (req, len, len); + len <<= 2; + Data16 (dpy, (short *) rectangles, len); + UnlockDisplay (dpy); + SyncHandle(); +} + +void +XFixesCopyRegion (Display *dpy, XserverRegion dst, XserverRegion src) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesCopyRegionReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesCopyRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesCopyRegion; + req->source = src; + req->destination = dst; + UnlockDisplay (dpy); + SyncHandle(); +} + +void +XFixesUnionRegion (Display *dpy, XserverRegion dst, + XserverRegion src1, XserverRegion src2) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesUnionRegionReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesUnionRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesUnionRegion; + req->source1 = src1; + req->source2 = src2; + req->destination = dst; + UnlockDisplay (dpy); + SyncHandle(); +} + +void +XFixesIntersectRegion (Display *dpy, XserverRegion dst, + XserverRegion src1, XserverRegion src2) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesIntersectRegionReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesIntersectRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesIntersectRegion; + req->source1 = src1; + req->source2 = src2; + req->destination = dst; + UnlockDisplay (dpy); + SyncHandle(); +} + +void +XFixesSubtractRegion (Display *dpy, XserverRegion dst, + XserverRegion src1, XserverRegion src2) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesSubtractRegionReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesSubtractRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesSubtractRegion; + req->source1 = src1; + req->source2 = src2; + req->destination = dst; + UnlockDisplay (dpy); + SyncHandle(); +} + +void +XFixesInvertRegion (Display *dpy, XserverRegion dst, + XRectangle *rect, XserverRegion src) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesInvertRegionReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesInvertRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesInvertRegion; + req->source = src; + req->destination = dst; + UnlockDisplay (dpy); + SyncHandle(); +} + +void +XFixesTranslateRegion (Display *dpy, XserverRegion region, int dx, int dy) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesTranslateRegionReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesTranslateRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesTranslateRegion; + req->region = region; + req->dx = dx; + req->dy = dy; + UnlockDisplay (dpy); + SyncHandle(); +} + +void +XFixesRegionExtents (Display *dpy, XserverRegion dst, XserverRegion src) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesRegionExtentsReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesRegionExtents, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesRegionExtents; + req->source = src; + req->destination = dst; + UnlockDisplay (dpy); + SyncHandle(); +} + +XRectangle * +XFixesFetchRegion (Display *dpy, XserverRegion region, int *nrectanglesRet) +{ + XRectangle bounds; + + return XFixesFetchRegionAndBounds (dpy, region, nrectanglesRet, &bounds); +} + +XRectangle * +XFixesFetchRegionAndBounds (Display *dpy, + XserverRegion region, + int *nrectanglesRet, + XRectangle *bounds) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesFetchRegionReq *req; + xXFixesFetchRegionReply rep; + XRectangle *rects; + int nrects; + long nbytes; + long nread; + + XFixesCheckExtension (dpy, info, 0); + LockDisplay (dpy); + GetReq (XFixesFetchRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesFetchRegion; + req->region = region; + if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) + { + UnlockDisplay (dpy); + SyncHandle (); + return 0; + } + bounds->x = rep.x; + bounds->y = rep.y; + bounds->width = rep.width; + bounds->height = rep.height; + nbytes = (long) rep.length << 2; + nrects = rep.length >> 1; + nread = nrects << 3; + rects = Xmalloc (nrects * sizeof (XRectangle)); + if (!rects) + { + _XEatData (dpy, nbytes); + UnlockDisplay (dpy); + SyncHandle (); + return 0; + } + _XRead16 (dpy, (short *) rects, nrects << 3); + /* skip any padding */ + if(nbytes > nread) + { + _XEatData (dpy, (unsigned long) (nbytes - nread)); + } + UnlockDisplay (dpy); + SyncHandle(); + *nrectanglesRet = nrects; + return rects; +} + +void +XFixesSetGCClipRegion (Display *dpy, GC gc, + int clip_x_origin, int clip_y_origin, + XserverRegion region) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesSetGCClipRegionReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesSetGCClipRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesSetGCClipRegion; + req->gc = gc->gid; + req->region = region; + req->xOrigin = clip_x_origin; + req->yOrigin = clip_y_origin; + UnlockDisplay (dpy); + SyncHandle(); +} + +void +XFixesSetWindowShapeRegion (Display *dpy, Window win, int shape_kind, + int x_off, int y_off, XserverRegion region) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesSetWindowShapeRegionReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesSetWindowShapeRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesSetWindowShapeRegion; + req->dest = win; + req->destKind = shape_kind; + req->xOff = x_off; + req->yOff = y_off; + req->region = region; + UnlockDisplay (dpy); + SyncHandle(); +} + +void +XFixesSetPictureClipRegion (Display *dpy, XID picture, + int clip_x_origin, int clip_y_origin, + XserverRegion region) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesSetPictureClipRegionReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesSetPictureClipRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesSetPictureClipRegion; + req->picture = picture; + req->region = region; + req->xOrigin = clip_x_origin; + req->yOrigin = clip_y_origin; + UnlockDisplay (dpy); + SyncHandle(); +} + +void +XFixesExpandRegion (Display *dpy, XserverRegion dst, XserverRegion src, + unsigned left, unsigned right, + unsigned top, unsigned bottom) +{ + XFixesExtDisplayInfo *info = XFixesFindDisplay (dpy); + xXFixesExpandRegionReq *req; + + XFixesSimpleCheckExtension (dpy, info); + LockDisplay (dpy); + GetReq (XFixesExpandRegion, req); + req->reqType = info->codes->major_opcode; + req->xfixesReqType = X_XFixesExpandRegion; + req->source = src; + req->destination = dst; + req->left = left; + req->right = right; + req->top = top; + req->bottom = bottom; + UnlockDisplay (dpy); + SyncHandle(); +} + |