From f5f7c0e4dd83257f526b158e3998970717852a0e Mon Sep 17 00:00:00 2001
From: Robin Watts <robin.watts@artifex.com>
Date: Wed, 17 Jul 2013 18:42:33 +0100
Subject: Initial work on progressive loading

We are testing this using a new -p flag to mupdf that sets a bitrate at
which data will appear to arrive progressively as time goes on. For
example:

  mupdf -p 102400 pdf_reference17.pdf

Details of the scheme used here are presented in docs/progressive.txt
---
 source/fitz/error.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'source/fitz/error.c')

diff --git a/source/fitz/error.c b/source/fitz/error.c
index fb0dc77e..0da7d29e 100644
--- a/source/fitz/error.c
+++ b/source/fitz/error.c
@@ -180,3 +180,10 @@ void fz_rethrow_message(fz_context *ctx, const char *fmt, ...)
 
 	throw(ctx->error);
 }
+
+void fz_rethrow_if(fz_context *ctx, int err)
+{
+	assert(ctx && ctx->error && ctx->error->errcode >= FZ_ERROR_NONE);
+	if (ctx->error->errcode == err)
+		fz_rethrow(ctx);
+}
-- 
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