diff options
Diffstat (limited to 'source/fitz/draw-path.c')
| -rw-r--r-- | source/fitz/draw-path.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/source/fitz/draw-path.c b/source/fitz/draw-path.c index 2e751222..2c0caa50 100644 --- a/source/fitz/draw-path.c +++ b/source/fitz/draw-path.c @@ -168,13 +168,50 @@ flatten_close(fz_context *ctx, void *arg_) arg->c.y = arg->b.y; } +static void +flatten_rectto(fz_context *ctx, void *arg_, float x0, float y0, float x1, float y1) +{ + flatten_arg *arg = (flatten_arg *)arg_; + const fz_matrix *ctm = arg->ctm; + + flatten_moveto(ctx, arg_, x0, y0); + /* In the case where we have an axis aligned rectangle, do some + * horrid antidropout stuff. */ + if (ctm->b == 0 && ctm->c == 0) + { + float tx0 = ctm->a * x0 + ctm->e; + float ty0 = ctm->d * y0 + ctm->f; + float tx1 = ctm->a * x1 + ctm->e; + float ty1 = ctm->d * y1 + ctm->f; + fz_insert_gel_rect(ctx, arg->gel, tx0, ty0, tx1, ty1); + } + else if (ctm->a == 0 && ctm->d == 0) + { + float tx0 = ctm->c * y0 + ctm->e; + float ty0 = ctm->b * x0 + ctm->f; + float tx1 = ctm->c * y1 + ctm->e; + float ty1 = ctm->b * x1 + ctm->f; + fz_insert_gel_rect(ctx, arg->gel, tx0, ty1, tx1, ty0); + } + else + { + flatten_lineto(ctx, arg_, x1, y0); + flatten_lineto(ctx, arg_, x1, y1); + flatten_lineto(ctx, arg_, x0, y1); + flatten_close(ctx, arg_); + } +} + static const fz_path_processor flatten_proc = { flatten_moveto, flatten_lineto, flatten_curveto, flatten_close, - flatten_quadto + flatten_quadto, + NULL, + NULL, + flatten_rectto }; void |