IABSD.fr/xenocara/xserver/randr/rrtransform.h

Branch : - branch - master - tag -

• Show log

  Commit

• Author : matthieu
  Date : 2015-09-16 19:10:19
  Hash : 86ea9f12
  Message : Update to xserver 1.17.2. tested by dcoppa@, jsg@, jasper@ & naddy@

• xserver/randr/rrtransform.h

• /*
   * Copyright © 2007 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 the copyright holders not be used in advertising or
   * publicity pertaining to distribution of the software without specific,
   * written prior permission.  The copyright holders make no representations
   * about the suitability of this software for any purpose.  It is provided "as
   * is" without express or implied warranty.
   *
   * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
   * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
   * EVENT SHALL THE COPYRIGHT HOLDERS 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.
   */
  
  #ifndef _RRTRANSFORM_H_
  #define _RRTRANSFORM_H_
  
  #include <X11/extensions/randr.h>
  #include "picturestr.h"
  
  typedef struct _rrTransform RRTransformRec, *RRTransformPtr;
  
  struct _rrTransform {
      PictTransform transform;
      struct pict_f_transform f_transform;
      struct pict_f_transform f_inverse;
      PictFilterPtr filter;
      xFixed *params;
      int nparams;
      int width;
      int height;
  };
  
  extern _X_EXPORT void
   RRTransformInit(RRTransformPtr transform);
  
  extern _X_EXPORT void
   RRTransformFini(RRTransformPtr transform);
  
  extern _X_EXPORT Bool
   RRTransformEqual(RRTransformPtr a, RRTransformPtr b);
  
  extern _X_EXPORT Bool
  
  RRTransformSetFilter(RRTransformPtr dst,
                       PictFilterPtr filter,
                       xFixed * params, int nparams, int width, int height);
  
  extern _X_EXPORT Bool
   RRTransformCopy(RRTransformPtr dst, RRTransformPtr src);
  
  /*
   * Compute the complete transformation matrix including
   * client-specified transform, rotation/reflection values and the crtc
   * offset.
   *
   * Return TRUE if the resulting transform is not a simple translation.
   */
  extern _X_EXPORT Bool
  
  RRTransformCompute(int x,
                     int y,
                     int width,
                     int height,
                     Rotation rotation,
                     RRTransformPtr rr_transform,
                     PictTransformPtr transform,
                     struct pict_f_transform *f_transform,
                     struct pict_f_transform *f_inverse);
  
  #endif                          /* _RRTRANSFORM_H_ */