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* 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
53 lines
916 B
C
53 lines
916 B
C
#include "fitz-base.h"
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#include "fitz-stream.h"
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fz_error fz_kioneedin = { -1, "<ioneedin>", "<process>", "filter.c", 0 };
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fz_error fz_kioneedout = { -1, "<ioneedout>", "<process>", "filter.c", 0 };
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fz_error fz_kiodone = { -1, "<iodone>", "<process>", "filter.c", 0 };
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fz_error *
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fz_process(fz_filter *f, fz_buffer *in, fz_buffer *out)
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{
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fz_error *reason;
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unsigned char *oldrp;
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unsigned char *oldwp;
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assert(!out->eof);
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oldrp = in->rp;
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oldwp = out->wp;
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reason = f->process(f, in, out);
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assert(in->rp <= in->wp);
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assert(out->wp <= out->ep);
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f->consumed = in->rp > oldrp;
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f->produced = out->wp > oldwp;
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f->count += out->wp - oldwp;
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if (reason != fz_ioneedin && reason != fz_ioneedout)
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out->eof = 1;
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return reason;
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}
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fz_filter *
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fz_keepfilter(fz_filter *f)
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{
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f->refs ++;
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return f;
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}
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void
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fz_dropfilter(fz_filter *f)
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{
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if (--f->refs == 0)
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{
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if (f->drop)
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f->drop(f);
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fz_free(f);
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}
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}
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