diff options
Diffstat (limited to 'src/cairo-stroke-style.c')
| -rw-r--r-- | src/cairo-stroke-style.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/cairo-stroke-style.c b/src/cairo-stroke-style.c index b9c3a0db9..9b7e407ca 100644 --- a/src/cairo-stroke-style.c +++ b/src/cairo-stroke-style.c @@ -101,6 +101,7 @@ _cairo_stroke_style_fini (cairo_stroke_style_t *style) */ void _cairo_stroke_style_max_distance_from_path (const cairo_stroke_style_t *style, + const cairo_path_fixed_t *path, const cairo_matrix_t *ctm, double *dx, double *dy) { @@ -110,6 +111,7 @@ _cairo_stroke_style_max_distance_from_path (const cairo_stroke_style_t *style, style_expansion = M_SQRT1_2; if (style->line_join == CAIRO_LINE_JOIN_MITER && + ! path->stroke_is_rectilinear && style_expansion < M_SQRT2 * style->miter_limit) { style_expansion = M_SQRT2 * style->miter_limit; @@ -117,8 +119,12 @@ _cairo_stroke_style_max_distance_from_path (const cairo_stroke_style_t *style, style_expansion *= style->line_width; - *dx = style_expansion * hypot (ctm->xx, ctm->xy); - *dy = style_expansion * hypot (ctm->yy, ctm->yx); + if (_cairo_matrix_has_unity_scale (ctm)) { + *dx = *dy = style_expansion; + } else { + *dx = style_expansion * hypot (ctm->xx, ctm->xy); + *dy = style_expansion * hypot (ctm->yy, ctm->yx); + } } /* |