Be clear that we are only emulating the libjpeg v7/v8 API/ABI, not the library itself.

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@749 632fc199-4ca6-4c93-a231-07263d6284db

diff --git a/BUILDING.txt b/BUILDING.txt
index e3997859615cf965442bcc48c51d6955601b0089..730eaf725cbe846ebbf4f3fe074c16f66075d2ed 100644 (file)
--- a/BUILDING.txt
+++ b/BUILDING.txt
@@ -107,14 +107,14 @@ This will generate the following files under .libs/
 62, 7, or 8.
 
 
-libjpeg v7 or v8 Emulation
---------------------------
+libjpeg v7 or v8 API/ABI Emulation
+----------------------------------
 
 Add --with-jpeg7 to the configure command line to build a version of
-libjpeg-turbo that is compatible with libjpeg v7.  Add --with-jpeg8 to the
-configure command to build a version of libjpeg-turbo that is compatible with
-libjpeg v8.  See README-turbo.txt for more information on libjpeg v7 and v8
-emulation.
+libjpeg-turbo that is API/ABI-compatible with libjpeg v7.  Add --with-jpeg8 to
+the configure command to build a version of libjpeg-turbo that is
+API/ABI-compatible with libjpeg v8.  See README-turbo.txt for more information
+on libjpeg v7 and v8 emulation.
 
 
 Arithmetic Coding Support
@@ -492,14 +492,14 @@ NMake, remove "-DCMAKE_BUILD_TYPE=Release" (Debug builds are the default with
 NMake.)
 
 
-libjpeg v7 or v8 Emulation
---------------------------
+libjpeg v7 or v8 API/ABI Emulation
+-----------------------------------
 
 Add "-DWITH_JPEG7=1" to the cmake command line to build a version of
-libjpeg-turbo that is compatible with libjpeg v7.  Add "-DWITH_JPEG8=1" to the
-cmake command to build a version of libjpeg-turbo that is compatible with
-libjpeg v8.  See README-turbo.txt for more information on libjpeg v7 and v8
-emulation.
+libjpeg-turbo that is API/ABI-compatible with libjpeg v7.  Add "-DWITH_JPEG8=1"
+to the cmake command to build a version of libjpeg-turbo that is
+API/ABI-compatible with libjpeg v8.  See README-turbo.txt for more information
+on libjpeg v7 and v8 emulation.
 
 
 Arithmetic Coding Support

diff --git a/libjpeg.txt b/libjpeg.txt
index 191b35e8f8dbc2055b4bf549dcc13dc4a901f04f..c781757fe8774da27919d73435c151d77bc26a09 100644 (file)
--- a/libjpeg.txt
+++ b/libjpeg.txt
@@ -850,8 +850,9 @@ int jpeg_quality_scaling (int quality)
        premise of this routine collapses.  Caveat user.
 
 jpeg_default_qtables (j_compress_ptr cinfo, boolean force_baseline)
-       [libjpeg v7/v8 only] Set default quantization tables with linear
-       q_scale_factor[] values (see below).
+       [libjpeg v7+ API/ABI emulation only]
+       Set default quantization tables with linear q_scale_factor[] values
+       (see below).
 
 jpeg_add_quant_table (j_compress_ptr cinfo, int which_tbl,
                      const unsigned int *basic_table,
@@ -976,8 +977,9 @@ JQUANT_TBL * quant_tbl_ptrs[NUM_QUANT_TBLS]
        slot 1 for chrominance.
 
 int q_scale_factor[NUM_QUANT_TBLS]
-       [libjpeg v7+ only] Linear quantization scaling factors (0-100, default
-       100) for use with jpeg_default_qtables().
+       [libjpeg v7+ API/ABI emulation only]
+       Linear quantization scaling factors (0-100, default 100)
+       for use with jpeg_default_qtables().
        See rdswitch.c and cjpeg.c for an example of usage.
        Note that the q_scale_factor[] values use "linear" scales, so JPEG
        quality levels chosen by the user must be converted to these scales
@@ -1012,11 +1014,12 @@ JHUFF_TBL * ac_huff_tbl_ptrs[NUM_HUFF_TBLS]
        any need to mess with providing your own Huffman tables.
 
 
-[libjpeg v7+ only] The actual dimensions of the JPEG image that will be written
-to the file are given by the following fields.  These are computed from the
-input image dimensions and the compression parameters by jpeg_start_compress().
-You can also call jpeg_calc_jpeg_dimensions() to obtain the values that will
-result from the current parameter settings.
+[libjpeg v7+ API/ABI emulation only]
+The actual dimensions of the JPEG image that will be written to the file are
+given by the following fields.  These are computed from the input image
+dimensions and the compression parameters by jpeg_start_compress().  You can
+also call jpeg_calc_jpeg_dimensions() to obtain the values that will result
+from the current parameter settings.
 
 JDIMENSION jpeg_width          Actual dimensions of output image.
 JDIMENSION jpeg_height