diff options
Diffstat (limited to 'apps/pdffunction.c')
| -rw-r--r-- | apps/pdffunction.c | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/apps/pdffunction.c b/apps/pdffunction.c deleted file mode 100644 index 20dabf1e..00000000 --- a/apps/pdffunction.c +++ /dev/null @@ -1,263 +0,0 @@ -#include <fitz.h> -#include <mupdf.h> - -static char *password = ""; -static int dodecode = 0; -static int dorepair = 0; -static int doprintxref = 0; - -typedef struct psobj_s psobj; - -struct pdf_function_s -{ - unsigned short type; /* 0=sample 2=exponential 3=stitching 4=postscript */ - int m; /* number of input values */ - int n; /* number of output values */ - float *domain; /* even index : min value, odd index : max value */ - float *range; /* even index : min value, odd index : max value */ - union - { - struct { - unsigned short bps; - unsigned short order; - int *size; /* the num of samples in each input dimension */ - float *encode; - float *decode; - int *samples; - } sa; - struct { - float n; - float *c0; - float *c1; - } e; - struct { - int k; - pdf_function **funcs; - float *bounds; - float *encode; - } st; - struct { - psobj *code; - int cap; - } p; - }u; -}; - -void usage() -{ - fprintf(stderr, "usage: pdffunction [-drxs] [-u password] file.pdf oid [input ...]\n"); - exit(1); -} - -static int safecol = 0; - -void printsafe(unsigned char *buf, int n) -{ - int i; - for (i = 0; i < n; i++) { - if (buf[i] == '\r' || buf[i] == '\n') { - printf("\n"); - safecol = 0; - } - else if (buf[i] < 32 || buf[i] > 126) { - printf("."); - safecol ++; - } - else { - printf("%c", buf[i]); - safecol ++; - } - if (safecol == 79) { - printf("\n"); - safecol = 0; - } - } -} - -void decodestream(pdf_xref *xref, int oid, int gid) -{ - fz_error *error; - unsigned char buf[512]; - - safecol = 0; - - error = pdf_openstream(xref, oid, gid); - if (error) fz_abort(error); - - while (1) - { - int n = fz_read(xref->stream, buf, sizeof buf); - if (n == 0) - break; - if (n < 0) - fz_abort(fz_ferror(xref->stream)); - printsafe(buf, n); - } - - pdf_closestream(xref); -} - -void copystream(pdf_xref *xref, int oid, int gid) -{ - fz_error *error; - unsigned char buf[512]; - - safecol = 0; - - error = pdf_openrawstream(xref, oid, gid); - if (error) fz_abort(error); - - while (1) - { - int n = fz_read(xref->stream, buf, sizeof buf); - if (n == 0) - break; - if (n < 0) - fz_abort(fz_ferror(xref->stream)); - printsafe(buf, n); - } - - pdf_closestream(xref); -} - -void printobject(pdf_xref *xref, int oid, int gid) -{ - fz_error *error; - fz_obj *obj; - - error = pdf_loadobject(&obj, xref, oid, gid); - if (error) fz_abort(error); - - printf("%d %d obj\n", oid, gid); - fz_debugobj(obj); - printf("\n"); - - if (xref->table[oid].stmofs) { - printf("stream\n"); - if (dodecode) - decodestream(xref, oid, gid); - else - copystream(xref, oid, gid); - printf("endstream\n"); - } - - printf("endobj\n"); - - fz_dropobj(obj); -} - -int main(int argc, char **argv) -{ - fz_error *error; - char *filename; - pdf_xref *xref; - int c; - - while ((c = getopt(argc, argv, "drxopu:")) != -1) - { - switch (c) - { - case 'd': - dodecode ++; - break; - case 'r': - dorepair ++; - break; - case 'x': - doprintxref ++; - break; - case 'u': - password = optarg; - break; - default: - usage(); - } - } - - if (argc - optind == 0) - usage(); - - filename = argv[optind++]; - - if (dorepair) - error = pdf_repairpdf(&xref, filename); - else - error = pdf_openpdf(&xref, filename); - if (error) - fz_abort(error); - - error = pdf_decryptpdf(xref); - if (error) - fz_abort(error); - - if (xref->crypt) - { - error = pdf_setpassword(xref->crypt, password); - if (error) fz_abort(error); - } - - if (optind == argc) - { - printf("trailer\n"); - fz_debugobj(xref->trailer); - printf("\n"); - } - else - { - int oid = atoi(argv[optind++]); - if(optind == argc) - printobject(xref, oid, 0); - else - { - float *in = nil, *out = nil; - pdf_function *func; - fz_obj *funcobj; - int i; - - /* type 0 and type 4 funcs must be indirect to read stream */ - error = fz_newindirect(&funcobj,oid,0); - if(error) fz_abort(error); - error = pdf_loadfunction(&func,xref,funcobj); - if(error) fz_abort(error); - in = fz_malloc(func->m * sizeof(float)); - out = fz_malloc(func->n * sizeof(float)); - - if(!in || !out) - fz_abort(fz_outofmem); - - for(i = 0; optind < argc; optind++, i++) - { - if(i >= func->m) - fz_abort(fz_throw("too much input values")); - - in[i] = atof(argv[optind]); - } - - if(i < func->m) - fz_abort(fz_throw("too few input values")); - - error = pdf_evalfunction(func, in, func->m, out, func->n); - if(error) fz_abort(error); - - for(i = 0; i < func->n; ++i) - fprintf(stderr, "output[%d] : %f\n", i, out[i]); - - fz_dropobj(funcobj); - pdf_dropfunction(func); - } - } - - for ( ; optind < argc; optind++) - { - printobject(xref, atoi(argv[optind]), 0); - printf("\n"); - } - - if (doprintxref) - pdf_debugpdf(xref); - - pdf_closepdf(xref); - - return 0; -} - |