xenocara/lib/libXrender/src/FillRect.c
2006-11-25 17:54:58 +00:00

107 lines
3.2 KiB
C

/*
*
* Copyright © 2000 SuSE, Inc.
*
* 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 SuSE not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. SuSE makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
* 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.
*
* Author: Keith Packard, SuSE, Inc.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "Xrenderint.h"
/* precompute the maximum size of batching request allowed */
#define size (SIZEOF(xRenderFillRectanglesReq) + FRCTSPERBATCH * SIZEOF(xRectangle))
void
XRenderFillRectangle (Display *dpy,
int op,
Picture dst,
_Xconst XRenderColor *color,
int x,
int y,
unsigned int width,
unsigned int height)
{
XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy);
xRectangle *rect;
xRenderFillRectanglesReq *req;
#ifdef MUSTCOPY
xRectangle rectdata;
long len = SIZEOF(xRectangle);
rect = &rectdata;
#endif /* MUSTCOPY */
RenderSimpleCheckExtension (dpy, info);
LockDisplay(dpy);
req = (xRenderFillRectanglesReq *) dpy->last_req;
/* if same as previous request, with same drawable, batch requests */
if (req->reqType == info->codes->major_opcode &&
req->renderReqType == X_RenderFillRectangles &&
req->op == op &&
req->dst == dst &&
req->color.red == color->red &&
req->color.green == color->green &&
req->color.blue == color->blue &&
req->color.alpha == color->alpha &&
dpy->bufptr + SIZEOF(xRectangle) <= dpy->bufmax &&
(char *)dpy->bufptr - (char *)req < size)
{
req->length += SIZEOF(xRectangle) >> 2;
#ifndef MUSTCOPY
rect = (xRectangle *) dpy->bufptr;
dpy->bufptr += SIZEOF(xRectangle);
#endif /* not MUSTCOPY */
}
else
{
GetReqExtra(RenderFillRectangles, SIZEOF(xRectangle), req);
req->reqType = info->codes->major_opcode;
req->renderReqType = X_RenderFillRectangles;
req->op = op;
req->dst = dst;
req->color.red = color->red;
req->color.green = color->green;
req->color.blue = color->blue;
req->color.alpha = color->alpha;
#ifdef MUSTCOPY
dpy->bufptr -= SIZEOF(xRectangle);
#else
rect = (xRectangle *) NEXTPTR(req,xRenderFillRectanglesReq);
#endif /* MUSTCOPY */
}
rect->x = x;
rect->y = y;
rect->width = width;
rect->height = height;
#ifdef MUSTCOPY
Data (dpy, (char *) rect, len);
#endif /* MUSTCOPY */
UnlockDisplay(dpy);
SyncHandle();
}