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45 lines
1.3 KiB
45 lines
1.3 KiB
commit 2590fed7a355a421f062ebd4293df892800fa7ac
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Author: Sebastian Rasmussen <sebras@gmail.com>
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Date: Thu Dec 1 17:15:27 2016 -0500
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Bug 697400: Mark visited objects when counting OCG layer entries.
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diff --git a/source/pdf/pdf-layer.c b/source/pdf/pdf-layer.c
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index 3296b6c..fc29c9d 100644
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--- a/source/pdf/pdf-layer.c
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+++ b/source/pdf/pdf-layer.c
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@@ -90,7 +90,14 @@ count_entries(fz_context *ctx, pdf_obj *obj)
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for (i = 0; i < len; i++)
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{
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pdf_obj *o = pdf_array_get(ctx, obj, i);
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- count += (pdf_is_array(ctx, o) ? count_entries(ctx, o) : 1);
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+ if (pdf_mark_obj(ctx, o))
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+ continue;
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+ fz_try(ctx)
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+ count += (pdf_is_array(ctx, o) ? count_entries(ctx, o) : 1);
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+ fz_always(ctx)
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+ pdf_unmark_obj(ctx, o);
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+ fz_catch(ctx)
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+ fz_rethrow(ctx);
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}
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return count;
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}
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@@ -106,7 +113,16 @@ populate_ui(fz_context *ctx, pdf_ocg_descriptor *desc, pdf_ocg_ui *ui, pdf_obj *
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pdf_obj *o = pdf_array_get(ctx, order, i);
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if (pdf_is_array(ctx, o))
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{
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- ui = populate_ui(ctx, desc, ui, o, depth+1, rbgroups, locked);
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+ if (pdf_mark_obj(ctx, o))
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+ continue;
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+
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+ fz_try(ctx)
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+ ui = populate_ui(ctx, desc, ui, o, depth+1, rbgroups, locked);
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+ fz_always(ctx)
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+ pdf_unmark_obj(ctx, o);
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+ fz_catch(ctx)
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+ fz_rethrow(ctx);
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+
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continue;
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}
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ui->depth = depth;
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