cairo_status_t
_cairo_surface_fallback_fill (cairo_surface_t *surface,
cairo_operator_t op,
cairo_pattern_t *source,
cairo_path_fixed_t *path,
cairo_fill_rule_t fill_rule,
double tolerance,
cairo_antialias_t antialias)
{
cairo_status_t status;
cairo_traps_t traps;
_cairo_traps_init (&traps);
status = _cairo_path_fixed_fill_to_traps (path,
fill_rule,
tolerance,
&traps);
if (status) {
_cairo_traps_fini (&traps);
return status;
}
status = _clip_and_composite_trapezoids (source,
op,
surface,
&traps,
surface->clip,
antialias);
_cairo_traps_fini (&traps);
return status;
}
cairo_status_t
_cairo_surface_fallback_fill (cairo_surface_t *surface,
cairo_operator_t op,
cairo_pattern_t *source,
cairo_path_fixed_t *path,
cairo_fill_rule_t fill_rule,
double tolerance,
cairo_antialias_t antialias)
{
cairo_status_t status;
cairo_traps_t traps;
cairo_box_t box;
cairo_rectangle_int_t extents;
status = _cairo_surface_get_extents (surface, &extents);
if (status)
return status;
if (_cairo_operator_bounded_by_source (op)) {
cairo_rectangle_int_t source_extents;
status = _cairo_pattern_get_extents (source, &source_extents);
if (status)
return status;
_cairo_rectangle_intersect (&extents, &source_extents);
}
status = _cairo_clip_intersect_to_rectangle (surface->clip, &extents);
if (status)
return status;
box.p1.x = _cairo_fixed_from_int (extents.x);
box.p1.y = _cairo_fixed_from_int (extents.y);
box.p2.x = _cairo_fixed_from_int (extents.x + extents.width);
box.p2.y = _cairo_fixed_from_int (extents.y + extents.height);
_cairo_traps_init (&traps);
_cairo_traps_limit (&traps, &box);
status = _cairo_path_fixed_fill_to_traps (path,
fill_rule,
tolerance,
&traps);
if (status) {
_cairo_traps_fini (&traps);
return status;
}
status = _clip_and_composite_trapezoids (source,
op,
surface,
&traps,
surface->clip,
antialias);
_cairo_traps_fini (&traps);
return status;
}
cairo_status_t
_cairo_surface_fallback_paint (cairo_surface_t *surface,
cairo_operator_t op,
cairo_pattern_t *source)
{
cairo_status_t status;
cairo_rectangle_int_t extents;
cairo_box_t box;
cairo_traps_t traps;
status = _cairo_surface_get_extents (surface, &extents);
if (status)
return status;
if (_cairo_operator_bounded_by_source (op)) {
cairo_rectangle_int_t source_extents;
status = _cairo_pattern_get_extents (source, &source_extents);
if (status)
return status;
_cairo_rectangle_intersect (&extents, &source_extents);
}
status = _cairo_clip_intersect_to_rectangle (surface->clip, &extents);
if (status)
return status;
box.p1.x = _cairo_fixed_from_int (extents.x);
box.p1.y = _cairo_fixed_from_int (extents.y);
box.p2.x = _cairo_fixed_from_int (extents.x + extents.width);
box.p2.y = _cairo_fixed_from_int (extents.y + extents.height);
status = _cairo_traps_init_box (&traps, &box);
if (status)
return status;
status = _clip_and_composite_trapezoids (source,
op,
surface,
&traps,
surface->clip,
CAIRO_ANTIALIAS_NONE);
_cairo_traps_fini (&traps);
return status;
}
cairo_status_t
_cairo_surface_fallback_paint (cairo_surface_t *surface,
cairo_operator_t op,
const cairo_pattern_t *source)
{
cairo_status_t status;
cairo_rectangle_int_t extents;
cairo_box_t box;
cairo_traps_t traps;
status = _cairo_surface_get_extents (surface, &extents);
if (unlikely (status))
return status;
if (_cairo_operator_bounded_by_source (op)) {
cairo_rectangle_int_t source_extents;
status = _cairo_pattern_get_extents (source, &source_extents);
if (unlikely (status))
return status;
if (! _cairo_rectangle_intersect (&extents, &source_extents))
return CAIRO_STATUS_SUCCESS;
}
status = _cairo_clip_intersect_to_rectangle (surface->clip, &extents);
if (unlikely (status))
return status;
_cairo_box_from_rectangle (&box, &extents);
_cairo_traps_init_box (&traps, &box);
status = _clip_and_composite_trapezoids (source,
op,
surface,
&traps,
surface->clip,
CAIRO_ANTIALIAS_NONE);
_cairo_traps_fini (&traps);
return status;
}
cairo_status_t
_cairo_surface_fallback_stroke (cairo_surface_t *surface,
cairo_operator_t op,
cairo_pattern_t *source,
cairo_path_fixed_t *path,
cairo_stroke_style_t *stroke_style,
cairo_matrix_t *ctm,
cairo_matrix_t *ctm_inverse,
double tolerance,
cairo_antialias_t antialias)
{
cairo_status_t status;
cairo_traps_t traps;
_cairo_traps_init (&traps);
status = _cairo_path_fixed_stroke_to_traps (path,
stroke_style,
ctm, ctm_inverse,
tolerance,
&traps);
if (status) {
_cairo_traps_fini (&traps);
return status;
}
_clip_and_composite_trapezoids (source,
op,
surface,
&traps,
surface->clip,
antialias);
_cairo_traps_fini (&traps);
return CAIRO_STATUS_SUCCESS;
}
cairo_status_t
_cairo_surface_fallback_fill (cairo_surface_t *surface,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_path_fixed_t *path,
cairo_fill_rule_t fill_rule,
double tolerance,
cairo_antialias_t antialias)
{
cairo_status_t status;
cairo_traps_t traps;
cairo_box_t box;
cairo_rectangle_int_t extents;
status = _cairo_surface_get_extents (surface, &extents);
if (unlikely (status))
return status;
if (_cairo_operator_bounded_by_source (op)) {
cairo_rectangle_int_t source_extents;
status = _cairo_pattern_get_extents (source, &source_extents);
if (unlikely (status))
return status;
if (! _cairo_rectangle_intersect (&extents, &source_extents))
return CAIRO_STATUS_SUCCESS;
}
status = _cairo_clip_intersect_to_rectangle (surface->clip, &extents);
if (unlikely (status))
return status;
if (extents.width == 0 || extents.height == 0)
return CAIRO_STATUS_SUCCESS;
/* Ask if the surface would like to render this combination of
* op/source/dst/antialias with spans or not, but don't actually
* make a renderer yet. We'll try to hit the region optimisations
* in _clip_and_composite_trapezoids() if it looks like the path
* is a region. */
/* TODO: Until we have a mono scan converter we won't even try
* to use spans for CAIRO_ANTIALIAS_NONE. */
/* TODO: The region filling code should be lifted from
* _clip_and_composite_trapezoids() and given first priority
* explicitly before deciding between spans and trapezoids. */
if (antialias != CAIRO_ANTIALIAS_NONE &&
!_cairo_path_fixed_is_box (path, &box) &&
!_cairo_path_fixed_is_region (path) &&
_cairo_surface_check_span_renderer (
op, source, surface, antialias, NULL))
{
cairo_composite_spans_fill_info_t info;
info.path = path;
info.fill_rule = fill_rule;
info.tolerance = tolerance;
info.antialias = antialias;
if (_cairo_operator_bounded_by_mask (op)) {
cairo_rectangle_int_t path_extents;
_cairo_path_fixed_approximate_clip_extents (path,
&path_extents);
if (! _cairo_rectangle_intersect (&extents, &path_extents))
return CAIRO_STATUS_SUCCESS;
}
return _clip_and_composite (
surface->clip, op, source,
_composite_spans_fill_func,
&info,
surface,
&extents);
}
/* Fall back to trapezoid fills. */
_cairo_box_from_rectangle (&box, &extents);
_cairo_traps_init (&traps);
_cairo_traps_limit (&traps, &box);
status = _cairo_path_fixed_fill_to_traps (path,
fill_rule,
tolerance,
&traps);
if (unlikely (status)) {
_cairo_traps_fini (&traps);
return status;
}
status = _clip_and_composite_trapezoids (source,
op,
surface,
&traps,
surface->clip,
antialias);
_cairo_traps_fini (&traps);
return status;
}
cairo_status_t
_cairo_surface_fallback_stroke (cairo_surface_t *surface,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_path_fixed_t *path,
cairo_stroke_style_t *stroke_style,
cairo_matrix_t *ctm,
cairo_matrix_t *ctm_inverse,
double tolerance,
cairo_antialias_t antialias)
{
cairo_status_t status;
cairo_traps_t traps;
cairo_box_t box;
cairo_rectangle_int_t extents;
status = _cairo_surface_get_extents (surface, &extents);
if (unlikely (status))
return status;
if (_cairo_operator_bounded_by_source (op)) {
cairo_rectangle_int_t source_extents;
status = _cairo_pattern_get_extents (source, &source_extents);
if (unlikely (status))
return status;
if (! _cairo_rectangle_intersect (&extents, &source_extents))
return CAIRO_STATUS_SUCCESS;
}
status = _cairo_clip_intersect_to_rectangle (surface->clip, &extents);
if (unlikely (status))
return status;
if (extents.width == 0 || extents.height == 0)
return CAIRO_STATUS_SUCCESS;
_cairo_box_from_rectangle (&box, &extents);
_cairo_traps_init (&traps);
_cairo_traps_limit (&traps, &box);
status = _cairo_path_fixed_stroke_to_traps (path,
stroke_style,
ctm, ctm_inverse,
tolerance,
&traps);
if (unlikely (status))
goto FAIL;
status = _clip_and_composite_trapezoids (source,
op,
surface,
&traps,
surface->clip,
antialias);
FAIL:
_cairo_traps_fini (&traps);
return status;
}
