Call AA/F formatting when synthesizing appearance stream.

1 files changed, 24 insertions, 1 deletions

diff --git a/source/pdf/pdf-appearance.c b/source/pdf/pdf-appearance.c
index 5693fe3d..c3e94baa 100644
--- a/source/pdf/pdf-appearance.c
+++ b/source/pdf/pdf-appearance.c
@@ -990,7 +990,30 @@ pdf_write_widget_appearance(fz_context *ctx, pdf_annot *annot, fz_buffer *buf,
 	int ff = pdf_get_field_flags(ctx, annot->page->doc, annot->obj);
 	if (pdf_name_eq(ctx, ft, PDF_NAME(Tx)))
 	{
-		char *text = pdf_field_value(ctx, annot->page->doc, annot->obj);
+		pdf_document *doc = annot->page->doc;
+		pdf_obj *f = pdf_dict_getl(ctx, annot->obj, PDF_NAME(AA), PDF_NAME(F), NULL);
+		char *text = NULL;
+		if (f && doc->js)
+		{
+			pdf_js_event e;
+			e.target = annot->obj;
+			e.value = pdf_field_value(ctx, doc, annot->obj);
+			fz_try(ctx)
+				pdf_js_setup_event(doc->js, &e);
+			fz_always(ctx)
+				fz_free(ctx, e.value);
+			fz_catch(ctx)
+				fz_rethrow(ctx);
+			pdf_execute_action(ctx, doc, annot->obj, f);
+			if (pdf_js_get_event(doc->js)->rc)
+				text = fz_strdup(ctx, pdf_js_get_event(doc->js)->value);
+			else
+				text = pdf_field_value(ctx, doc, annot->obj);
+		}
+		else
+		{
+			text = pdf_field_value(ctx, doc, annot->obj);
+		}
 		fz_try(ctx)
 			pdf_write_tx_widget_appearance(ctx, annot, buf, rect, bbox, matrix, res, text, ff);
 		fz_always(ctx)