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| author | Sebastian Rasmussen <sebras@gmail.com> | 2015-07-26 14:01:30 +0200 |
|---|---|---|
| committer | Sebastian Rasmussen <sebras@gmail.com> | 2015-07-27 14:54:26 +0200 |
| commit | 29b021ef37766520865a387af59a4ba6f97deefd (patch) | |
| tree | 0bdeb3790ff9d5dbe3294145fd6bad14f9f24f11 /source | |
| parent | af0550ab30b7854622b48798b0eaac02d97106f3 (diff) | |
| download | mupdf-29b021ef37766520865a387af59a4ba6f97deefd.tar.xz | |
Handle out of range line join and line cap styles.
Previously these operators accepted out of range values which
triggered asserts in the rendering code.
Diffstat (limited to 'source')
| -rw-r--r-- | source/pdf/pdf-interpret.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/source/pdf/pdf-interpret.c b/source/pdf/pdf-interpret.c index e1df2c68..f876925a 100644 --- a/source/pdf/pdf-interpret.c +++ b/source/pdf/pdf-interpret.c @@ -350,11 +350,11 @@ pdf_process_extgstate(fz_context *ctx, pdf_processor *proc, pdf_csi *csi, pdf_ob obj = pdf_dict_get(ctx, dict, PDF_NAME_LC); if (pdf_is_int(ctx, obj) && proc->op_J) - proc->op_J(ctx, proc, pdf_to_int(ctx, obj)); + proc->op_J(ctx, proc, fz_clampi(pdf_to_int(ctx, obj), 0, 2)); obj = pdf_dict_get(ctx, dict, PDF_NAME_LJ); if (pdf_is_int(ctx, obj) && proc->op_j) - proc->op_j(ctx, proc, pdf_to_int(ctx, obj)); + proc->op_j(ctx, proc, fz_clampi(pdf_to_int(ctx, obj), 0, 2)); obj = pdf_dict_get(ctx, dict, PDF_NAME_ML); if (pdf_is_number(ctx, obj) && proc->op_M) @@ -780,8 +780,8 @@ pdf_process_keyword(fz_context *ctx, pdf_processor *proc, pdf_csi *csi, fz_strea /* general graphics state */ case A('w'): if (proc->op_w) proc->op_w(ctx, proc, s[0]); break; - case A('j'): if (proc->op_j) proc->op_j(ctx, proc, s[0]); break; - case A('J'): if (proc->op_J) proc->op_J(ctx, proc, s[0]); break; + case A('j'): if (proc->op_j) proc->op_j(ctx, proc, fz_clampi(s[0], 0, 2)); break; + case A('J'): if (proc->op_J) proc->op_J(ctx, proc, fz_clampi(s[0], 0, 2)); break; case A('M'): if (proc->op_M) proc->op_M(ctx, proc, s[0]); break; case A('d'): if (proc->op_d) proc->op_d(ctx, proc, csi->obj, s[0]); break; case B('r','i'): if (proc->op_ri) proc->op_ri(ctx, proc, csi->name); break; |