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-rw-r--r--xorg-server/render/matrix.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/xorg-server/render/matrix.c b/xorg-server/render/matrix.c
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+++ b/xorg-server/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);
+}