render/matrix.c

   1 /*
   2  * Copyright © 2007 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 #ifdef HAVE_DIX_CONFIG_H
  24 #include <dix-config.h>
  25 #endif
  26
  27 #include "misc.h"
  28 #include "scrnintstr.h"
  29 #include "os.h"
  30 #include "regionstr.h"
  31 #include "validate.h"
  32 #include "windowstr.h"
  33 #include "input.h"
  34 #include "resource.h"
  35 #include "colormapst.h"
  36 #include "cursorstr.h"
  37 #include "dixstruct.h"
  38 #include "gcstruct.h"
  39 #include "servermd.h"
  40 #include "picturestr.h"
  41
  42 void
  43 PictTransform_from_xRenderTransform(PictTransformPtr pict,
  44                                     xRenderTransform * render)
  45 {
  46     pict->matrix[0][0] = render->matrix11;
  47     pict->matrix[0][1] = render->matrix12;
  48     pict->matrix[0][2] = render->matrix13;
  49
  50     pict->matrix[1][0] = render->matrix21;
  51     pict->matrix[1][1] = render->matrix22;
  52     pict->matrix[1][2] = render->matrix23;
  53
  54     pict->matrix[2][0] = render->matrix31;
  55     pict->matrix[2][1] = render->matrix32;
  56     pict->matrix[2][2] = render->matrix33;
  57 }
  58
  59 void
  60 xRenderTransform_from_PictTransform(xRenderTransform * render,
  61                                     PictTransformPtr pict)
  62 {
  63     render->matrix11 = pict->matrix[0][0];
  64     render->matrix12 = pict->matrix[0][1];
  65     render->matrix13 = pict->matrix[0][2];
  66
  67     render->matrix21 = pict->matrix[1][0];
  68     render->matrix22 = pict->matrix[1][1];
  69     render->matrix23 = pict->matrix[1][2];
  70
  71     render->matrix31 = pict->matrix[2][0];
  72     render->matrix32 = pict->matrix[2][1];
  73     render->matrix33 = pict->matrix[2][2];
  74 }
  75
  76 Bool
  77 PictureTransformPoint(PictTransformPtr transform, PictVectorPtr vector)
  78 {
  79     return pixman_transform_point(transform, vector);
  80 }
  81
  82 Bool
  83 PictureTransformPoint3d(PictTransformPtr transform, PictVectorPtr vector)
  84 {
  85     return pixman_transform_point_3d(transform, vector);
  86 }