Added optional emulation of the jpeg-7 or jpeg-8b API/ABI's
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@236 632fc199-4ca6-4c93-a231-07263d6284db
diff --git a/jcapimin.c b/jcapimin.c
index 54fb8c5..20ba9e9 100644
--- a/jcapimin.c
+++ b/jcapimin.c
@@ -2,6 +2,7 @@
* jcapimin.c
*
* Copyright (C) 1994-1998, Thomas G. Lane.
+ * Modified 2003-2010 by Guido Vollbeding.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
*
@@ -63,14 +64,25 @@
cinfo->comp_info = NULL;
- for (i = 0; i < NUM_QUANT_TBLS; i++)
+ for (i = 0; i < NUM_QUANT_TBLS; i++) {
cinfo->quant_tbl_ptrs[i] = NULL;
+#if JPEG_LIB_VERSION >= 70
+ cinfo->q_scale_factor[i] = 100;
+#endif
+ }
for (i = 0; i < NUM_HUFF_TBLS; i++) {
cinfo->dc_huff_tbl_ptrs[i] = NULL;
cinfo->ac_huff_tbl_ptrs[i] = NULL;
}
+#if JPEG_LIB_VERSION >= 80
+ /* Must do it here for emit_dqt in case jpeg_write_tables is used */
+ cinfo->block_size = DCTSIZE;
+ cinfo->natural_order = jpeg_natural_order;
+ cinfo->lim_Se = DCTSIZE2-1;
+#endif
+
cinfo->script_space = NULL;
cinfo->input_gamma = 1.0; /* in case application forgets */