rlh only if dot < 0

diff --git a/src/vkvg_context_internal.c b/src/vkvg_context_internal.c
index 65a5dec8667bd2e1399c3770882a367e8de469c0..ddc120e091a87cb92108e0625fa632ecb09ca556 100644 (file)
--- a/src/vkvg_context_internal.c
+++ b/src/vkvg_context_internal.c
@@ -795,7 +795,9 @@ bool _build_vb_step (vkvg_context* ctx, float hw, stroke_context_t* str, bool is
        vec2 bisec_n_perp = vec2_perp(bisec_n);
 
        //limit bisectrice length
-       float rlh = fminf (lh, fminf (length_v0, length_v1));
+       float rlh = lh;
+       if (dot<0.f)
+               rlh = fminf (rlh, fminf (length_v0, length_v1));
        //---
 
        vec2 bisec = vec2_mult_s (bisec_n_perp, rlh);
@@ -804,7 +806,7 @@ bool _build_vb_step (vkvg_context* ctx, float hw, stroke_context_t* str, bool is
 
        vec2 rlh_inside_pos;
 
-       if (rlh < lh || ctx->lineJoin != VKVG_LINE_JOIN_MITER) {
+       if (!isCurve && (rlh < lh || ctx->lineJoin != VKVG_LINE_JOIN_MITER)) {
                vec2 vnPerp;
                if (length_v0 < length_v1)
                        vnPerp = vec2_perp (v1n);
@@ -819,7 +821,7 @@ bool _build_vb_step (vkvg_context* ctx, float hw, stroke_context_t* str, bool is
        }
 
        if (ctx->lineJoin == VKVG_LINE_JOIN_MITER || isCurve){
-               if (dot < 0.f && rlh < lh) {
+               if (!isCurve && dot < 0.f && rlh < lh) {
                        double x = (lh - rlh) * cosf (halfAlpha);
                        vec2 bisecPerp = vec2_mult_s (bisec_n, x);
                        vec2 p = vec2_add(p0, bisec);