diff options
Diffstat (limited to 'source/pdf/pdf-interpret.c')
| -rw-r--r-- | source/pdf/pdf-interpret.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/source/pdf/pdf-interpret.c b/source/pdf/pdf-interpret.c index d7e3a021..ee6fcc45 100644 --- a/source/pdf/pdf-interpret.c +++ b/source/pdf/pdf-interpret.c @@ -531,6 +531,7 @@ pdf_show_path(pdf_csi *csi, int doclose, int dofill, int dostroke, int even_odd) fz_path *path; fz_rect bbox; softmask_save softmask = { NULL }; + int knockout_group = 0; if (dostroke) { if (csi->dev->flags & (FZ_DEVFLAG_STROKECOLOR_UNDEFINED | FZ_DEVFLAG_LINEJOIN_UNDEFINED | FZ_DEVFLAG_LINEWIDTH_UNDEFINED)) @@ -568,6 +569,24 @@ pdf_show_path(pdf_csi *csi, int doclose, int dofill, int dostroke, int even_odd) if (dofill || dostroke) pdf_begin_group(csi, &bbox, &softmask); + if (dofill && dostroke) + { + /* We may need to push a knockout group */ + if (gstate->stroke.alpha == 0) + { + /* No need for group, as stroke won't do anything */ + } + else if (gstate->stroke.alpha == 1.0f && gstate->blendmode == FZ_BLEND_NORMAL) + { + /* No need for group, as stroke won't show up */ + } + else + { + knockout_group = 1; + fz_begin_group(csi->dev, &bbox, 0, 1, FZ_BLEND_NORMAL, 1); + } + } + if (dofill) { switch (gstate->fill.kind) @@ -627,6 +646,9 @@ pdf_show_path(pdf_csi *csi, int doclose, int dofill, int dostroke, int even_odd) } } + if (knockout_group) + fz_end_group(csi->dev); + if (dofill || dostroke) pdf_end_group(csi, &softmask); } |