glamor/glamor_utils.c

   1 /*
   2  * Copyright © 2014 Keith Packard
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is hereby granted without fee, provided that
   6  * the above copyright notice appear in all copies and that both that copyright
   7  * notice and this permission notice appear in supporting documentation, and
   8  * that the name of the copyright holders not be used in advertising or
   9  * publicity pertaining to distribution of the software without specific,
  10  * written prior permission.  The copyright holders make no representations
  11  * about the suitability of this software for any purpose.  It is provided "as
  12  * is" without express or implied warranty.
  13  *
  14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  16  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  20  * OF THIS SOFTWARE.
  21  */
  22
  23 #include "glamor_priv.h"
  24
  25 void
  26 glamor_solid_boxes(DrawablePtr drawable,
  27                    BoxPtr box, int nbox, unsigned long fg_pixel)
  28 {
  29     GCPtr gc;
  30     xRectangle *rect;
  31     int n;
  32
  33     rect = xallocarray(nbox, sizeof(xRectangle));
  34     if (!rect)
  35         return;
  36     for (n = 0; n < nbox; n++) {
  37         rect[n].x = box[n].x1;
  38         rect[n].y = box[n].y1;
  39         rect[n].width = box[n].x2 - box[n].x1;
  40         rect[n].height = box[n].y2 - box[n].y1;
  41     }
  42
  43     gc = GetScratchGC(drawable->depth, drawable->pScreen);
  44     if (gc) {
  45         ChangeGCVal vals[1];
  46
  47         vals[0].val = fg_pixel;
  48         ChangeGC(NullClient, gc, GCForeground, vals);
  49         ValidateGC(drawable, gc);
  50         gc->ops->PolyFillRect(drawable, gc, nbox, rect);
  51         FreeScratchGC(gc);
  52     }
  53     free(rect);
  54 }
  55
  56 void
  57 glamor_solid(PixmapPtr pixmap, int x, int y, int width, int height,
  58              unsigned long fg_pixel)
  59 {
  60     DrawablePtr drawable = &pixmap->drawable;
  61     GCPtr gc;
  62     ChangeGCVal vals[1];
  63     xRectangle rect;
  64
  65     vals[0].val = fg_pixel;
  66     gc = GetScratchGC(drawable->depth, drawable->pScreen);
  67     if (!gc)
  68         return;
  69     ChangeGC(NullClient, gc, GCForeground, vals);
  70     ValidateGC(drawable, gc);
  71     rect.x = x;
  72     rect.y = y;
  73     rect.width = width;
  74     rect.height = height;
  75     gc->ops->PolyFillRect(drawable, gc, 1, &rect);
  76     FreeScratchGC(gc);
  77 }
  78