fixed dot dashes

diff --git a/lib/pdf/GFXOutputDev.cc b/lib/pdf/GFXOutputDev.cc
index e0ade7f..7f19c24 100644 (file)
--- a/lib/pdf/GFXOutputDev.cc
+++ b/lib/pdf/GFXOutputDev.cc
@@ -1090,6 +1090,8 @@ void GFXOutputDev::strokeGfxline(GfxState *state, gfxline_t*line, int flags)
        msg("<trace> |  phase: %f", this->dashStart);
        for(t=0;t<this->dashLength;t++) {
            dash[t] = (float)this->dashPattern[t] * f;
+            if(!dash[t])
+                dash[t] = 1e-37;
            msg("<trace> |  d%-3d: %f", t, this->dashPattern[t]);
        }
        dash[this->dashLength] = -1;