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authordcommander <dcommander@3789f03b-4d11-0410-bbf8-ca57d06f2519>2012-01-27 09:53:33 +0000
committerdcommander <dcommander@3789f03b-4d11-0410-bbf8-ca57d06f2519>2012-01-27 09:53:33 +0000
commitd91a291ae4284fa4aa7ac8ec3a62cb1105505500 (patch)
tree98804ca579f26a033cc942d3f8de04df3f9cd127
parent07f771e1d46f65ad9842f7ecef05bdee1fc4f6a1 (diff)
Be clear that we are only emulating the libjpeg v7/v8 API/ABI, not the library itself.
git-svn-id: https://libjpeg-turbo.svn.sourceforge.net/svnroot/libjpeg-turbo@749 3789f03b-4d11-0410-bbf8-ca57d06f2519
-rw-r--r--branches/1.2.x/BUILDING.txt24
-rw-r--r--branches/1.2.x/libjpeg.txt21
2 files changed, 24 insertions, 21 deletions
diff --git a/branches/1.2.x/BUILDING.txt b/branches/1.2.x/BUILDING.txt
index e399785..730eaf7 100644
--- a/branches/1.2.x/BUILDING.txt
+++ b/branches/1.2.x/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/branches/1.2.x/libjpeg.txt b/branches/1.2.x/libjpeg.txt
index 191b35e..c781757 100644
--- a/branches/1.2.x/libjpeg.txt
+++ b/branches/1.2.x/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