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#include "mupdf/fitz.h"
#include "mupdf/pdf.h"
pdf_obj *
pdf_xobject_resources(fz_context *ctx, pdf_obj *xobj)
{
return pdf_dict_get(ctx, xobj, PDF_NAME(Resources));
}
fz_rect *
pdf_xobject_bbox(fz_context *ctx, pdf_obj *xobj, fz_rect *bbox)
{
return pdf_to_rect(ctx, pdf_dict_get(ctx, xobj, PDF_NAME(BBox)), bbox);
}
fz_matrix *
pdf_xobject_matrix(fz_context *ctx, pdf_obj *xobj, fz_matrix *matrix)
{
return pdf_to_matrix(ctx, pdf_dict_get(ctx, xobj, PDF_NAME(Matrix)), matrix);
}
int pdf_xobject_isolated(fz_context *ctx, pdf_obj *xobj)
{
pdf_obj *group = pdf_dict_get(ctx, xobj, PDF_NAME(Group));
if (group)
return pdf_to_bool(ctx, pdf_dict_get(ctx, group, PDF_NAME(I)));
return 0;
}
int pdf_xobject_knockout(fz_context *ctx, pdf_obj *xobj)
{
pdf_obj *group = pdf_dict_get(ctx, xobj, PDF_NAME(Group));
if (group)
return pdf_to_bool(ctx, pdf_dict_get(ctx, group, PDF_NAME(K)));
return 0;
}
int pdf_xobject_transparency(fz_context *ctx, pdf_obj *xobj)
{
pdf_obj *group = pdf_dict_get(ctx, xobj, PDF_NAME(Group));
if (group)
if (pdf_name_eq(ctx, pdf_dict_get(ctx, group, PDF_NAME(S)), PDF_NAME(Transparency)))
return 1;
return 0;
}
fz_colorspace *
pdf_xobject_colorspace(fz_context *ctx, pdf_obj *xobj)
{
pdf_obj *group = pdf_dict_get(ctx, xobj, PDF_NAME(Group));
if (group)
{
pdf_obj *cs = pdf_dict_get(ctx, group, PDF_NAME(CS));
if (cs)
{
fz_colorspace *colorspace = NULL;
fz_try(ctx)
colorspace = pdf_load_colorspace(ctx, cs);
fz_catch(ctx)
fz_warn(ctx, "cannot load xobject colorspace");
return colorspace;
}
}
return NULL;
}
pdf_obj *
pdf_new_xobject(fz_context *ctx, pdf_document *doc, const fz_rect *bbox, const fz_matrix *mat)
{
pdf_obj *form = NULL;
pdf_obj *dict = NULL;
pdf_obj *res = NULL;
pdf_obj *procset;
fz_var(dict);
fz_var(res);
fz_try(ctx)
{
dict = pdf_new_dict(ctx, doc, 0);
pdf_dict_put_rect(ctx, dict, PDF_NAME(BBox), bbox);
pdf_dict_put_int(ctx, dict, PDF_NAME(FormType), 1);
pdf_dict_put_int(ctx, dict, PDF_NAME(Length), 0);
pdf_dict_put_matrix(ctx, dict, PDF_NAME(Matrix), mat);
res = pdf_new_dict(ctx, doc, 0);
pdf_dict_put(ctx, dict, PDF_NAME(Resources), res);
procset = pdf_new_array(ctx, doc, 2);
pdf_dict_put_drop(ctx, res, PDF_NAME(ProcSet), procset);
pdf_array_push(ctx, procset, PDF_NAME(PDF));
pdf_array_push(ctx, procset, PDF_NAME(Text));
pdf_dict_put(ctx, dict, PDF_NAME(Subtype), PDF_NAME(Form));
pdf_dict_put(ctx, dict, PDF_NAME(Type), PDF_NAME(XObject));
form = pdf_add_object(ctx, doc, dict);
}
fz_always(ctx)
{
pdf_drop_obj(ctx, dict);
pdf_drop_obj(ctx, res);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
return form;
}
void pdf_update_xobject_contents(fz_context *ctx, pdf_document *doc, pdf_obj *form, fz_buffer *buffer)
{
pdf_update_stream(ctx, doc, form, buffer, 0);
}
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