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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_dict_get_bool(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_dict_get_bool(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 *res, fz_buffer *contents)
{
pdf_obj *ind = NULL;
pdf_obj *form = pdf_new_dict(ctx, doc, 5);
fz_try(ctx)
{
pdf_dict_put(ctx, form, PDF_NAME(Type), PDF_NAME(XObject));
pdf_dict_put(ctx, form, PDF_NAME(Subtype), PDF_NAME(Form));
pdf_dict_put_rect(ctx, form, PDF_NAME(BBox), bbox);
if (mat)
pdf_dict_put_matrix(ctx, form, PDF_NAME(Matrix), mat);
if (res)
pdf_dict_put(ctx, form, PDF_NAME(Resources), res);
ind = pdf_add_stream(ctx, doc, contents, form, 0);
}
fz_catch(ctx)
{
pdf_drop_obj(ctx, form);
fz_rethrow(ctx);
}
return ind;
}
void
pdf_update_xobject(fz_context *ctx, pdf_document *doc, pdf_obj *form, const fz_rect *bbox, const fz_matrix *mat, pdf_obj *res, fz_buffer *contents)
{
pdf_dict_put_rect(ctx, form, PDF_NAME(BBox), bbox);
if (mat)
pdf_dict_put_matrix(ctx, form, PDF_NAME(Matrix), mat);
else
pdf_dict_del(ctx, form, PDF_NAME(Matrix));
if (res)
pdf_dict_put(ctx, form, PDF_NAME(Resources), res);
else
pdf_dict_del(ctx, form, PDF_NAME(Resources));
pdf_update_stream(ctx, doc, form, contents, 0);
}
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