diff options
Diffstat (limited to 'draw/pathfill.c')
| -rw-r--r-- | draw/pathfill.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/draw/pathfill.c b/draw/pathfill.c index 62d4ac59..f20f0946 100644 --- a/draw/pathfill.c +++ b/draw/pathfill.c @@ -1,5 +1,7 @@ #include "fitz.h" +#define MAXDEPTH 8 + static void line(fz_gel *gel, fz_matrix *ctm, float x0, float y0, float x1, float y1) { @@ -15,7 +17,7 @@ bezier(fz_gel *gel, fz_matrix *ctm, float flatness, float xa, float ya, float xb, float yb, float xc, float yc, - float xd, float yd) + float xd, float yd, int depth) { float dmax; float xab, yab; @@ -30,7 +32,8 @@ bezier(fz_gel *gel, fz_matrix *ctm, float flatness, dmax = MAX(dmax, ABS(ya - yb)); dmax = MAX(dmax, ABS(xd - xc)); dmax = MAX(dmax, ABS(yd - yc)); - if (dmax < flatness) { + if (dmax < flatness || depth >= MAXDEPTH) + { line(gel, ctm, xa, ya, xd, yd); return; } @@ -59,8 +62,8 @@ bezier(fz_gel *gel, fz_matrix *ctm, float flatness, xabcd *= 0.125f; yabcd *= 0.125f; - bezier(gel, ctm, flatness, xa, ya, xab, yab, xabc, yabc, xabcd, yabcd); - bezier(gel, ctm, flatness, xabcd, yabcd, xbcd, ybcd, xcd, ycd, xd, yd); + bezier(gel, ctm, flatness, xa, ya, xab, yab, xabc, yabc, xabcd, yabcd, depth + 1); + bezier(gel, ctm, flatness, xabcd, yabcd, xbcd, ybcd, xcd, ycd, xd, yd, depth + 1); } void @@ -102,7 +105,7 @@ fz_fillpath(fz_gel *gel, fz_path *path, fz_matrix ctm, float flatness) y2 = path->els[i++].v; x3 = path->els[i++].v; y3 = path->els[i++].v; - bezier(gel, &ctm, flatness, cx, cy, x1, y1, x2, y2, x3, y3); + bezier(gel, &ctm, flatness, cx, cy, x1, y1, x2, y2, x3, y3, 0); cx = x3; cy = y3; break; |