diff options
| -rw-r--r-- | src/cairo-pdf-surface.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/src/cairo-pdf-surface.c b/src/cairo-pdf-surface.c index a0176014..8726d7c3 100644 --- a/src/cairo-pdf-surface.c +++ b/src/cairo-pdf-surface.c @@ -6270,10 +6270,28 @@ _cairo_pdf_surface_analyze_operation (cairo_pdf_surface_t *surface, cairo_surface_pattern_t *surface_pattern = (cairo_surface_pattern_t *) pattern; if (surface_pattern->surface->type == CAIRO_SURFACE_TYPE_RECORDING) { - if (pattern->extend == CAIRO_EXTEND_PAD) - return CAIRO_INT_STATUS_UNSUPPORTED; - else - return CAIRO_INT_STATUS_ANALYZE_RECORDING_SURFACE_PATTERN; + if (pattern->extend == CAIRO_EXTEND_PAD) { + cairo_box_t box; + cairo_rectangle_int_t rect; + cairo_rectangle_int_t rec_extents; + + /* get the operation extents in pattern space */ + _cairo_box_from_rectangle (&box, extents); + _cairo_matrix_transform_bounding_box_fixed (&pattern->matrix, &box, NULL); + _cairo_box_round_to_rectangle (&box, &rect); + + /* Check if surface needs padding to fill extents */ + if (_cairo_surface_get_extents (surface_pattern->surface, &rec_extents)) { + if (_cairo_fixed_integer_ceil(box.p1.x) < rec_extents.x || + _cairo_fixed_integer_ceil(box.p1.y) < rec_extents.y || + _cairo_fixed_integer_floor(box.p2.y) > rec_extents.x + rec_extents.width || + _cairo_fixed_integer_floor(box.p2.y) > rec_extents.y + rec_extents.height) + { + return CAIRO_INT_STATUS_UNSUPPORTED; + } + } + } + return CAIRO_INT_STATUS_ANALYZE_RECORDING_SURFACE_PATTERN; } } |