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#include <fitz.h>
#include <mupdf.h>
void usage()
{
fprintf(stderr, "usage: pdfrip [-r] [-p password] file.pdf [pages...]\n");
exit(1);
}
/*
* Draw page
*/
void runcsi(pdf_xref *xref, pdf_csi *csi, pdf_resources *rdb, fz_obj *stmref)
{
fz_error *error;
error = pdf_openstream(xref, stmref);
if (error) fz_abort(error);
error = pdf_runcsi(csi, rdb, xref->file);
if (error) fz_abort(error);
pdf_closestream(xref);
}
void showpage(pdf_xref *xref, fz_obj *page)
{
fz_error *error;
pdf_csi *csi;
pdf_resources *rdb = nil;
fz_obj *resources;
fz_obj *contents;
int i;
fz_debugobj(page);
printf("\n");
resources = fz_dictgets(page, "Resources");
if (resources)
{
error = pdf_resolve(&resources, xref);
if (error) fz_abort(error);
error = pdf_loadresources(&rdb, xref, resources);
if (error) fz_abort(error);
// parse resources into native res dict
fz_dropobj(resources);
}
else
fz_abort(fz_throw("syntaxerror: missing resource dictionary"));
printf("resources:\n");
printf(" font:\n");
fz_debugobj(rdb->font);
printf("\n extgstate:\n");
fz_debugobj(rdb->extgstate);
printf("\nfitz tree:\n");
error = pdf_newcsi(&csi);
if (error) fz_abort(error);
contents = fz_dictgets(page, "Contents");
if (contents)
{
if (fz_isarray(contents))
{
for (i = 0; i < fz_arraylen(contents); i++)
{
runcsi(xref, csi, rdb, fz_arrayget(contents, i));
}
}
else
{
// XXX resolve and check if it is an array
runcsi(xref, csi, rdb, contents);
}
}
fz_debugtree(csi->tree);
{
fz_pixmap *pix;
fz_renderer *gc;
fz_matrix ctm;
#define W 612
#define H 792
#define xW 1106
#define xH 1548
fz_newrenderer(&gc);
fz_newpixmap(&pix, 0, 0, W, H, 1, 0);
ctm = fz_concat(fz_translate(0, -H), fz_scale(1,-1));
memset(pix->samples, 0x00, pix->stride * pix->h * 2);
printf("rendering!\n");
fz_rendernode(gc, csi->tree->root, ctm, pix);
printf("done!\n");
fz_debugpixmap(pix);
fz_freepixmap(pix);
fz_freerenderer(gc);
}
pdf_freecsi(csi);
}
int main(int argc, char **argv)
{
fz_error *error;
char *filename;
pdf_xref *xref;
pdf_pagetree *pages;
int c;
char *password = "";
int dorepair = 0;
while ((c = getopt(argc, argv, "rp:")) != -1)
{
switch (c)
{
case 'r': dorepair ++; break;
case 'p': password = optarg; break;
default: usage();
}
}
if (argc - optind == 0)
usage();
filename = argv[optind++];
error = pdf_newxref(&xref);
if (error)
fz_abort(error);
if (dorepair)
error = pdf_repairxref(xref, filename);
else
error = pdf_openxref(xref, filename);
if (error)
fz_abort(error);
error = pdf_decryptxref(xref);
if (error)
fz_abort(error);
if (xref->crypt)
{
error = pdf_setpassword(xref->crypt, password);
if (error) fz_abort(error);
}
error = pdf_loadpagetree(&pages, xref);
if (error) fz_abort(error);
if (optind == argc)
{
printf("pagetree\n");
pdf_debugpagetree(pages);
printf("\n");
}
for ( ; optind < argc; optind++)
{
int page = atoi(argv[optind]);
if (page < 1 || page > pages->count)
fprintf(stderr, "page out of bounds: %d\n", page);
printf("page %d\n", page);
showpage(xref, pages->pobj[page - 1]);
}
pdf_closexref(xref);
return 0;
}
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