diff options
Diffstat (limited to 'src/cairo-tor-scan-converter.c')
| -rw-r--r-- | src/cairo-tor-scan-converter.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/cairo-tor-scan-converter.c b/src/cairo-tor-scan-converter.c index 75cda4fe..29262c2d 100644 --- a/src/cairo-tor-scan-converter.c +++ b/src/cairo-tor-scan-converter.c @@ -1685,7 +1685,7 @@ glitter_scan_converter_add_edge (glitter_scan_converter_t *converter, INPUT_TO_GRID_Y (edge->top, e.top); INPUT_TO_GRID_Y (edge->bottom, e.bottom); - if (e.top == e.bottom) + if (e.top >= e.bottom) return GLITTER_STATUS_SUCCESS; /* XXX: possible overflows if GRID_X/Y > 2**GLITTER_INPUT_BITS */ @@ -1915,6 +1915,30 @@ _cairo_tor_scan_converter_destroy (void *converter) } static cairo_status_t +_cairo_tor_scan_converter_add_edge (void *converter, + const cairo_point_t *p1, + const cairo_point_t *p2, + int top, int bottom, + int dir) +{ + cairo_tor_scan_converter_t *self = converter; + cairo_status_t status; + cairo_edge_t edge; + + edge.line.p1 = *p1; + edge.line.p2 = *p2; + edge.top = top; + edge.bottom = bottom; + edge.dir = dir; + + status = glitter_scan_converter_add_edge (self->converter, &edge); + if (unlikely (status)) + return _cairo_scan_converter_set_error (self, _cairo_error (status)); + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t _cairo_tor_scan_converter_add_polygon (void *converter, const cairo_polygon_t *polygon) { @@ -1968,6 +1992,7 @@ _cairo_tor_scan_converter_create (int xmin, } self->base.destroy = _cairo_tor_scan_converter_destroy; + self->base.add_edge = _cairo_tor_scan_converter_add_edge; self->base.add_polygon = _cairo_tor_scan_converter_add_polygon; self->base.generate = _cairo_tor_scan_converter_generate; |