1 files changed, 0 insertions, 108 deletions
diff --git a/fitz/filt_jbig2d.c b/fitz/filt_jbig2d.c
deleted file mode 100644
index 12eb8c3b..00000000
--- a/fitz/filt_jbig2d.c
+++ /dev/null
@@ -1,108 +0,0 @@
-#include "mupdf/fitz.h"
-
-#include <jbig2.h>
-
-typedef struct fz_jbig2d_s fz_jbig2d;
-
-struct fz_jbig2d_s
-{
-	fz_stream *chain;
-	Jbig2Ctx *ctx;
-	Jbig2GlobalCtx *gctx;
-	Jbig2Image *page;
-	int idx;
-};
-
-static void
-close_jbig2d(fz_context *ctx, void *state_)
-{
-	fz_jbig2d *state = (fz_jbig2d *)state_;
-	if (state->page)
-		jbig2_release_page(state->ctx, state->page);
-	if (state->gctx)
-		jbig2_global_ctx_free(state->gctx);
-	jbig2_ctx_free(state->ctx);
-	fz_close(state->chain);
-	fz_free(ctx, state);
-}
-
-static int
-read_jbig2d(fz_stream *stm, unsigned char *buf, int len)
-{
-	fz_jbig2d *state = stm->state;
-	unsigned char tmp[4096];
-	unsigned char *p = buf;
-	unsigned char *ep = buf + len;
-	unsigned char *s;
-	int x, w, n;
-
-	if (!state->page)
-	{
-		while (1)
-		{
-			n = fz_read(state->chain, tmp, sizeof tmp);
-			if (n == 0)
-				break;
-			jbig2_data_in(state->ctx, tmp, n);
-		}
-
-		jbig2_complete_page(state->ctx);
-
-		state->page = jbig2_page_out(state->ctx);
-		if (!state->page)
-			fz_throw(stm->ctx, FZ_ERROR_GENERIC, "jbig2_page_out failed");
-	}
-
-	s = state->page->data;
-	w = state->page->height * state->page->stride;
-	x = state->idx;
-	while (p < ep && x < w)
-		*p++ = s[x++] ^ 0xff;
-	state->idx = x;
-
-	return p - buf;
-}
-
-fz_stream *
-fz_open_jbig2d(fz_stream *chain, fz_buffer *globals)
-{
-	fz_jbig2d *state = NULL;
-	fz_context *ctx = chain->ctx;
-
-	fz_var(state);
-
-	fz_try(ctx)
-	{
-		state = fz_malloc_struct(chain->ctx, fz_jbig2d);
-		state->ctx = NULL;
-		state->gctx = NULL;
-		state->chain = chain;
-		state->ctx = jbig2_ctx_new(NULL, JBIG2_OPTIONS_EMBEDDED, NULL, NULL, NULL);
-		state->page = NULL;
-		state->idx = 0;
-
-		if (globals)
-		{
-			jbig2_data_in(state->ctx, globals->data, globals->len);
-			state->gctx = jbig2_make_global_ctx(state->ctx);
-			state->ctx = jbig2_ctx_new(NULL, JBIG2_OPTIONS_EMBEDDED, state->gctx, NULL, NULL);
-		}
-	}
-	fz_catch(ctx)
-	{
-		if (state)
-		{
-			if (state->gctx)
-				jbig2_global_ctx_free(state->gctx);
-			if (state->ctx)
-				jbig2_ctx_free(state->ctx);
-		}
-		fz_drop_buffer(ctx, globals);
-		fz_free(ctx, state);
-		fz_close(chain);
-		fz_rethrow(ctx);
-	}
-	fz_drop_buffer(ctx, globals);
-
-	return fz_new_stream(ctx, state, read_jbig2d, close_jbig2d);
-}