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#include "mupdf/fitz.h"
#include "mupdf/pdf.h"
#include <string.h>
char *pdf_field_value(fz_context *ctx, pdf_document *doc, pdf_obj *field)
{
pdf_obj *v = pdf_dict_get_inheritable(ctx, field, PDF_NAME(V));
if (pdf_is_name(ctx, v))
return fz_strdup(ctx, pdf_to_name(ctx, v));
return pdf_load_stream_or_string_as_utf8(ctx, v);
}
int pdf_get_field_flags(fz_context *ctx, pdf_document *doc, pdf_obj *obj)
{
return pdf_to_int(ctx, pdf_dict_get_inheritable(ctx, obj, PDF_NAME(Ff)));
}
static pdf_obj *get_field_type_name(fz_context *ctx, pdf_document *doc, pdf_obj *obj)
{
return pdf_dict_get_inheritable(ctx, obj, PDF_NAME(FT));
}
int pdf_field_type(fz_context *ctx, pdf_document *doc, pdf_obj *obj)
{
pdf_obj *type = get_field_type_name(ctx, doc, obj);
int flags = pdf_get_field_flags(ctx, doc, obj);
if (pdf_name_eq(ctx, type, PDF_NAME(Btn)))
{
if (flags & PDF_BTN_FIELD_IS_PUSHBUTTON)
return PDF_WIDGET_TYPE_PUSHBUTTON;
else if (flags & PDF_BTN_FIELD_IS_RADIO)
return PDF_WIDGET_TYPE_RADIOBUTTON;
else
return PDF_WIDGET_TYPE_CHECKBOX;
}
else if (pdf_name_eq(ctx, type, PDF_NAME(Tx)))
return PDF_WIDGET_TYPE_TEXT;
else if (pdf_name_eq(ctx, type, PDF_NAME(Ch)))
{
if (flags & PDF_CH_FIELD_IS_COMBO)
return PDF_WIDGET_TYPE_COMBOBOX;
else
return PDF_WIDGET_TYPE_LISTBOX;
}
else if (pdf_name_eq(ctx, type, PDF_NAME(Sig)))
return PDF_WIDGET_TYPE_SIGNATURE;
else
return PDF_WIDGET_TYPE_NOT_WIDGET;
}
void pdf_set_field_type(fz_context *ctx, pdf_document *doc, pdf_obj *obj, int type)
{
int setbits = 0;
int clearbits = 0;
pdf_obj *typename = NULL;
switch(type)
{
case PDF_WIDGET_TYPE_PUSHBUTTON:
typename = PDF_NAME(Btn);
setbits = PDF_BTN_FIELD_IS_PUSHBUTTON;
break;
case PDF_WIDGET_TYPE_CHECKBOX:
typename = PDF_NAME(Btn);
clearbits = PDF_BTN_FIELD_IS_PUSHBUTTON;
setbits = PDF_BTN_FIELD_IS_RADIO;
break;
case PDF_WIDGET_TYPE_RADIOBUTTON:
typename = PDF_NAME(Btn);
clearbits = (PDF_BTN_FIELD_IS_PUSHBUTTON|PDF_BTN_FIELD_IS_RADIO);
break;
case PDF_WIDGET_TYPE_TEXT:
typename = PDF_NAME(Tx);
break;
case PDF_WIDGET_TYPE_LISTBOX:
typename = PDF_NAME(Ch);
clearbits = PDF_CH_FIELD_IS_COMBO;
break;
case PDF_WIDGET_TYPE_COMBOBOX:
typename = PDF_NAME(Ch);
setbits = PDF_CH_FIELD_IS_COMBO;
break;
case PDF_WIDGET_TYPE_SIGNATURE:
typename = PDF_NAME(Sig);
break;
}
if (typename)
pdf_dict_put_drop(ctx, obj, PDF_NAME(FT), typename);
if (setbits != 0 || clearbits != 0)
{
int bits = pdf_dict_get_int(ctx, obj, PDF_NAME(Ff));
bits &= ~clearbits;
bits |= setbits;
pdf_dict_put_int(ctx, obj, PDF_NAME(Ff), bits);
}
}
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