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435a566751
* sumatrapdf - vendor import * everything compiles (libjpeg, poppler, fitz, sumatrapdf) * does NOT link (remove the comment tags in the parent directory.rbuild file (rosapps dir) to build it) svn path=/trunk/; revision=29295
103 lines
1.9 KiB
C
103 lines
1.9 KiB
C
#include <fitz.h>
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#include <mupdf.h>
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fz_error *
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pdf_loadxobject(pdf_xobject **formp, pdf_xref *xref, fz_obj *dict, fz_obj *ref)
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{
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fz_error *error;
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pdf_xobject *form;
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fz_obj *obj;
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if ((*formp = pdf_finditem(xref->store, PDF_KXOBJECT, ref)))
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{
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pdf_keepxobject(*formp);
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return nil;
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}
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form = fz_malloc(sizeof(pdf_xobject));
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if (!form)
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return fz_outofmem;
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form->refs = 1;
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form->resources = nil;
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form->contents = nil;
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pdf_logrsrc("load xobject %d %d (%p) {\n", fz_tonum(ref), fz_togen(ref), form);
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obj = fz_dictgets(dict, "BBox");
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form->bbox = pdf_torect(obj);
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pdf_logrsrc("bbox [%g %g %g %g]\n",
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form->bbox.x0, form->bbox.y0,
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form->bbox.x1, form->bbox.y1);
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obj = fz_dictgets(dict, "Matrix");
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if (obj)
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form->matrix = pdf_tomatrix(obj);
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else
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form->matrix = fz_identity();
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pdf_logrsrc("matrix [%g %g %g %g %g %g]\n",
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form->matrix.a, form->matrix.b,
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form->matrix.c, form->matrix.d,
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form->matrix.e, form->matrix.f);
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obj = fz_dictgets(dict, "Resources");
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if (obj)
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{
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error = pdf_resolve(&obj, xref);
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if (error)
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{
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pdf_dropxobject(form);
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return error;
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}
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error = pdf_loadresources(&form->resources, xref, obj);
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fz_dropobj(obj);
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if (error)
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{
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pdf_dropxobject(form);
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return error;
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}
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}
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error = pdf_loadstream(&form->contents, xref, fz_tonum(ref), fz_togen(ref));
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if (error)
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{
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pdf_dropxobject(form);
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return error;
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}
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pdf_logrsrc("stream %d bytes\n", form->contents->wp - form->contents->rp);
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pdf_logrsrc("}\n");
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error = pdf_storeitem(xref->store, PDF_KXOBJECT, ref, form);
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if (error)
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{
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pdf_dropxobject(form);
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return error;
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}
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*formp = form;
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return nil;
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}
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pdf_xobject *
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pdf_keepxobject(pdf_xobject *xobj)
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{
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xobj->refs ++;
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return xobj;
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}
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void
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pdf_dropxobject(pdf_xobject *xobj)
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{
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if (--xobj->refs == 0)
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{
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if (xobj->contents) fz_dropbuffer(xobj->contents);
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if (xobj->resources) fz_dropobj(xobj->resources);
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fz_free(xobj);
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}
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}
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