analysis: Apply the integer translation to the bbox as well

The bbox is used to compute the ink extents (and so the pattern extents
of a recording surface) and if given an integer translation we failed to
transform the bbox into the target space.

Fixes mask (pdf).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/cairo-analysis-surface.c b/src/cairo-analysis-surface.c
index b8abe02c..8878f62b 100644
--- a/src/cairo-analysis-surface.c
+++ b/src/cairo-analysis-surface.c
@@ -220,6 +220,14 @@ _add_operation (cairo_analysis_surface_t *surface,
 	if (_cairo_matrix_is_integer_translation (&surface->ctm, &tx, &ty)) {
 	    rect->x += tx;
 	    rect->y += ty;
+
+	    tx = _cairo_fixed_from_int (tx);
+	    bbox.p1.x += tx;
+	    bbox.p2.x += tx;
+
+	    ty = _cairo_fixed_from_int (ty);
+	    bbox.p1.y += ty;
+	    bbox.p2.y += ty;
 	} else {
 	    _cairo_matrix_transform_bounding_box_fixed (&surface->ctm,
 							&bbox, NULL);