diff options
Diffstat (limited to 'src/cairo-path-stroke.c')
| -rw-r--r-- | src/cairo-path-stroke.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/src/cairo-path-stroke.c b/src/cairo-path-stroke.c index 66ab3bd..cd6b3a2 100644 --- a/src/cairo-path-stroke.c +++ b/src/cairo-path-stroke.c @@ -52,6 +52,7 @@ typedef struct cairo_stroker { const cairo_matrix_t *ctm; const cairo_matrix_t *ctm_inverse; + double half_line_width; double tolerance; double ctm_determinant; cairo_bool_t ctm_det_positive; @@ -134,13 +135,13 @@ _cairo_stroker_init (cairo_stroker_t *stroker, stroker->ctm = ctm; stroker->ctm_inverse = ctm_inverse; stroker->tolerance = tolerance; + stroker->half_line_width = stroke_style->line_width / 2.0; stroker->ctm_determinant = _cairo_matrix_compute_determinant (stroker->ctm); stroker->ctm_det_positive = stroker->ctm_determinant >= 0.0; status = _cairo_pen_init (&stroker->pen, - stroke_style->line_width / 2.0, - tolerance, ctm); + stroker->half_line_width, tolerance, ctm); if (unlikely (status)) return status; @@ -637,8 +638,8 @@ _cairo_stroker_add_cap (cairo_stroker_t *stroker, dx = f->usr_vector.x; dy = f->usr_vector.y; - dx *= stroker->style.line_width / 2.0; - dy *= stroker->style.line_width / 2.0; + dx *= stroker->half_line_width; + dy *= stroker->half_line_width; cairo_matrix_transform_distance (stroker->ctm, &dx, &dy); fvector.dx = _cairo_fixed_from_double (dx); fvector.dy = _cairo_fixed_from_double (dy); @@ -776,13 +777,13 @@ _compute_face (const cairo_point_t *point, cairo_slope_t *dev_slope, */ if (stroker->ctm_det_positive) { - face_dx = - slope_dy * (stroker->style.line_width / 2.0); - face_dy = slope_dx * (stroker->style.line_width / 2.0); + face_dx = - slope_dy * stroker->half_line_width; + face_dy = slope_dx * stroker->half_line_width; } else { - face_dx = slope_dy * (stroker->style.line_width / 2.0); - face_dy = - slope_dx * (stroker->style.line_width / 2.0); + face_dx = slope_dy * stroker->half_line_width; + face_dy = - slope_dx * stroker->half_line_width; } /* back to device space */ @@ -1340,12 +1341,12 @@ BAIL: } cairo_int_status_t -_cairo_path_fixed_stroke_to_traps (const cairo_path_fixed_t *path, - const cairo_stroke_style_t *stroke_style, - const cairo_matrix_t *ctm, - const cairo_matrix_t *ctm_inverse, - double tolerance, - cairo_traps_t *traps) +_cairo_path_fixed_stroke_polygon_to_traps (const cairo_path_fixed_t *path, + const cairo_stroke_style_t *stroke_style, + const cairo_matrix_t *ctm, + const cairo_matrix_t *ctm_inverse, + double tolerance, + cairo_traps_t *traps) { cairo_int_status_t status; cairo_polygon_t polygon; |