xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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mifillrct.c (4424B)

      1 /***********************************************************
      2 
      3 Copyright 1987, 1998  The Open Group
      4 
      5 Permission to use, copy, modify, distribute, and sell this software and its
      6 documentation for any purpose is hereby granted without fee, provided that
      7 the above copyright notice appear in all copies and that both that
      8 copyright notice and this permission notice appear in supporting
      9 documentation.
     10 
     11 The above copyright notice and this permission notice shall be included in
     12 all copies or substantial portions of the Software.
     13 
     14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
     17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
     18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     20 
     21 Except as contained in this notice, the name of The Open Group shall not be
     22 used in advertising or otherwise to promote the sale, use or other dealings
     23 in this Software without prior written authorization from The Open Group.
     24 
     25 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
     26 
     27                         All Rights Reserved
     28 
     29 Permission to use, copy, modify, and distribute this software and its
     30 documentation for any purpose and without fee is hereby granted,
     31 provided that the above copyright notice appear in all copies and that
     32 both that copyright notice and this permission notice appear in
     33 supporting documentation, and that the name of Digital not be
     34 used in advertising or publicity pertaining to distribution of the
     35 software without specific, written prior permission.
     36 
     37 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
     38 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
     39 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
     40 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
     41 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
     42 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
     43 SOFTWARE.
     44 
     45 ******************************************************************/
     46 
     47 #ifdef HAVE_DIX_CONFIG_H
     48 #include <dix-config.h>
     49 #endif
     50 
     51 #include <X11/X.h>
     52 #include <X11/Xprotostr.h>
     53 #include "gcstruct.h"
     54 #include "windowstr.h"
     55 #include "pixmap.h"
     56 #include "mi.h"
     57 #include "misc.h"
     58 
     59 /* mi rectangles
     60    written by newman, with debts to all and sundry
     61 */
     62 
     63 /* MIPOLYFILLRECT -- public entry for PolyFillRect request
     64  * very straight forward: translate rectangles if necessary
     65  * then call FillSpans to fill each rectangle.  We let FillSpans worry about
     66  * clipping to the destination
     67  */
     68 _X_COLD void
     69 miPolyFillRect(DrawablePtr pDrawable, GCPtr pGC, int nrectFill, /* number of rectangles to fill */
     70                xRectangle *prectInit    /* Pointer to first rectangle to fill */
     71     )
     72 {
     73     int i;
     74     int height;
     75     int width;
     76     xRectangle *prect;
     77     int xorg;
     78     int yorg;
     79     int maxheight;
     80     DDXPointPtr pptFirst;
     81     DDXPointPtr ppt;
     82     int *pwFirst;
     83     int *pw;
     84 
     85     if (pGC->miTranslate) {
     86         xorg = pDrawable->x;
     87         yorg = pDrawable->y;
     88         prect = prectInit;
     89         maxheight = 0;
     90         for (i = 0; i < nrectFill; i++, prect++) {
     91             prect->x += xorg;
     92             prect->y += yorg;
     93             maxheight = max(maxheight, prect->height);
     94         }
     95     }
     96     else {
     97         prect = prectInit;
     98         maxheight = 0;
     99         for (i = 0; i < nrectFill; i++, prect++)
    100             maxheight = max(maxheight, prect->height);
    101     }
    102 
    103     pptFirst = xallocarray(maxheight, sizeof(DDXPointRec));
    104     pwFirst = xallocarray(maxheight, sizeof(int));
    105     if (!pptFirst || !pwFirst) {
    106         free(pwFirst);
    107         free(pptFirst);
    108         return;
    109     }
    110 
    111     prect = prectInit;
    112     while (nrectFill--) {
    113         ppt = pptFirst;
    114         pw = pwFirst;
    115         height = prect->height;
    116         width = prect->width;
    117         xorg = prect->x;
    118         yorg = prect->y;
    119         while (height--) {
    120             *pw++ = width;
    121             ppt->x = xorg;
    122             ppt->y = yorg;
    123             ppt++;
    124             yorg++;
    125         }
    126         (*pGC->ops->FillSpans) (pDrawable, pGC,
    127                                 prect->height, pptFirst, pwFirst, 1);
    128         prect++;
    129     }
    130     free(pwFirst);
    131     free(pptFirst);
    132 }