xenocara/xserver/render/matrix.c

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/*
* 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.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "misc.h"
#include "scrnintstr.h"
#include "os.h"
#include "regionstr.h"
#include "validate.h"
#include "windowstr.h"
#include "input.h"
#include "resource.h"
#include "colormapst.h"
#include "cursorstr.h"
#include "dixstruct.h"
#include "gcstruct.h"
#include "servermd.h"
#include "picturestr.h"
_X_EXPORT void
PictTransform_from_xRenderTransform (PictTransformPtr pict,
xRenderTransform *render)
{
pict->matrix[0][0] = render->matrix11;
pict->matrix[0][1] = render->matrix12;
pict->matrix[0][2] = render->matrix13;
pict->matrix[1][0] = render->matrix21;
pict->matrix[1][1] = render->matrix22;
pict->matrix[1][2] = render->matrix23;
pict->matrix[2][0] = render->matrix31;
pict->matrix[2][1] = render->matrix32;
pict->matrix[2][2] = render->matrix33;
}
_X_EXPORT void
xRenderTransform_from_PictTransform (xRenderTransform *render,
PictTransformPtr pict)
{
render->matrix11 = pict->matrix[0][0];
render->matrix12 = pict->matrix[0][1];
render->matrix13 = pict->matrix[0][2];
render->matrix21 = pict->matrix[1][0];
render->matrix22 = pict->matrix[1][1];
render->matrix23 = pict->matrix[1][2];
render->matrix31 = pict->matrix[2][0];
render->matrix32 = pict->matrix[2][1];
render->matrix33 = pict->matrix[2][2];
}
_X_EXPORT Bool
PictureTransformPoint (PictTransformPtr transform,
PictVectorPtr vector)
{
return pixman_transform_point(transform, vector);
}
_X_EXPORT Bool
PictureTransformPoint3d (PictTransformPtr transform,
PictVectorPtr vector)
{
return pixman_transform_point_3d(transform, vector);
}