mirror of
https://git.code.sf.net/p/libpng/code.git
synced 2025-07-10 18:04:09 +02:00
Imported from libpng-1.0.1c.tar
This commit is contained in:
Glenn Randers-Pehrson
156
pngconf.h
156
pngconf.h
@@ -1,12 +1,12 @@
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/* pngconf.h - machine configurable file for libpng
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*
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* libpng 1.0.1b
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* libpng 1.0.1c
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* For conditions of distribution and use, see copyright notice in png.h
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* Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
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* Copyright (c) 1996, 1997 Andreas Dilger
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* Copyright (c) 1998, Glenn Randers-Pehrson
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* May 2, 1998
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* May 9, 1998
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*/
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/* Any machine specific code is near the front of this file, so if you
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@@ -237,72 +237,139 @@ __dont__ include it again
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/* Any transformations you will not be using can be undef'ed here */
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/* GR-P, 0.96a: Set "*TRANSFORMS_SUPPORTED as default but allow user
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to turn it off with "*TRANSFORMS_NOT_SUPPORTED" on the compile line,
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then pick and choose which ones to define without having to edit
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this file. It is safe to use the *TRANSFORMS_NOT_SUPPORTED if you
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only want to have a png-compliant reader/writer but don't need
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to turn it off with "*TRANSFORMS_NOT_SUPPORTED" or *PNG_NO_*_TRANSFORMS
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on the compile line, then pick and choose which ones to define without
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having to edit this file. It is safe to use the *TRANSFORMS_NOT_SUPPORTED
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if you only want to have a png-compliant reader/writer but don't need
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any of the extra transformations. This saves about 80 kbytes in a
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typical installation of the library.
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typical installation of the library. (PNG_NO_* form added in version
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1.0.1c, for consistency)
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*/
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#ifndef PNG_READ_TRANSFORMS_NOT_SUPPORTED
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#if !defined(PNG_READ_TRANSFORMS_NOT_SUPPORTED) && \
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!defined(PNG_NO_READ_TRANSFORMS)
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#define PNG_READ_TRANSFORMS_SUPPORTED
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#endif
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#ifndef PNG_WRITE_TRANSFORMS_NOT_SUPPORTED
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#if !defined(PNG_WRITE_TRANSFORMS_NOT_SUPPORTED) && \
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!defined(PNG_NO_WRITE_TRANSFORMS)
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#define PNG_WRITE_TRANSFORMS_SUPPORTED
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#endif
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#ifdef PNG_READ_TRANSFORMS_SUPPORTED
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#ifndef PNG_NO_READ_EXPAND
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#define PNG_READ_EXPAND_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_SHIFT
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#define PNG_READ_SHIFT_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_PACK
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#define PNG_READ_PACK_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_BGR
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#define PNG_READ_BGR_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_SWAP
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#define PNG_READ_SWAP_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_PACKSWAP
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#define PNG_READ_PACKSWAP_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_INVERT
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#define PNG_READ_INVERT_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_DITHER
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#define PNG_READ_DITHER_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_BACKGROUND
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#define PNG_READ_BACKGROUND_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_16_TO_8
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#define PNG_READ_16_TO_8_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_FILLER
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#define PNG_READ_FILLER_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_GAMMA
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#define PNG_READ_GAMMA_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_GRAY_TO_RGB
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#define PNG_READ_GRAY_TO_RGB_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_SWAP_ALPHA
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#define PNG_READ_SWAP_ALPHA_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_INVERT_ALPHA
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#define PNG_READ_INVERT_ALPHA_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_STRIP_ALPHA
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#define PNG_READ_STRIP_ALPHA_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_USER_TRANSFORM
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#define PNG_READ_USER_TRANSFORM_SUPPORTED
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#endif
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/* the following aren't implemented yet
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#define PNG_READ_RGB_TO_GRAY_SUPPORTED
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*/
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#endif /* PNG_READ_TRANSFORMS_SUPPORTED */
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#ifndef PNG_PROGRESSIVE_READ_NOT_SUPPORTED /* if you don't do progressive */
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#if !defined(PNG_NO_PROGRESSIVE_READ) && \
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!defined(PNG_PROGRESSIVE_READ_NOT_SUPPORTED) /* if you don't do progressive */
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#define PNG_PROGRESSIVE_READ_SUPPORTED /* reading. This is not talking */
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#endif /* about interlacing capability! You'll */
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/* still have interlacing unless you change the following line: */
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#define PNG_READ_INTERLACING_SUPPORTED /* required for PNG-compliant decoders */
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#ifndef PNG_NO_READ_COMPOSITED_NODIV
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#define PNG_READ_COMPOSITE_NODIV_SUPPORTED /* well tested on Intel and SGI */
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#endif
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#ifdef PNG_WRITE_TRANSFORMS_SUPPORTED
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#ifndef PNG_NO_WRITE_SHIFT
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#define PNG_WRITE_SHIFT_SUPPORTED
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#endif
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#ifndef PNG_NO_WRITE_PACK
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#define PNG_WRITE_PACK_SUPPORTED
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#endif
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#ifndef PNG_NO_WRITE_BGR
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#define PNG_WRITE_BGR_SUPPORTED
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#endif
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#ifndef PNG_NO_WRITE_SWAP
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#define PNG_WRITE_SWAP_SUPPORTED
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#endif
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#ifndef PNG_NO_WRITE_PACKSWAP
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#define PNG_WRITE_PACKSWAP_SUPPORTED
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#endif
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#ifndef PNG_NO_WRITE_INVERT
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#define PNG_WRITE_INVERT_SUPPORTED
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#endif
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#ifndef PNG_NO_WRITE_FILLER
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#define PNG_WRITE_FILLER_SUPPORTED /* This is the same as WRITE_STRIP_ALPHA */
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#define PNG_WRITE_FLUSH_SUPPORTED
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#endif
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#ifndef PNG_NO_WRITE_SWAP_ALPHA
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#define PNG_WRITE_SWAP_ALPHA_SUPPORTED
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#endif
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#ifndef PNG_NO_WRITE_INVERT_ALPHA
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#define PNG_WRITE_INVERT_ALPHA_SUPPORTED
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#define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
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#endif
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#ifndef PNG_NO_WRITE_USER_TRANSFORM
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#define PNG_WRITE_USER_TRANSFORM_SUPPORTED
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#endif
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#endif /* PNG_WRITE_TRANSFORMS_SUPPORTED */
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#define PNG_WRITE_INTERLACING_SUPPORTED /* not required for PNG-compliant
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encoders, but can cause trouble
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if left undefined */
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#if !defined(PNG_NO_STDIO)
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#ifndef PNG_NO_WRITE_WEIGHTED_FILTER
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#define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
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#endif
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#ifndef PNG_NO_WRITE_FLUSH
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#define PNG_WRITE_FLUSH_SUPPORTED
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#endif
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#ifndef PNG_NO_STDIO
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#define PNG_TIME_RFC1123_SUPPORTED
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#endif
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@@ -322,7 +389,7 @@ __dont__ include it again
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* png_get_x_offset_microns()
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* png_get_y_offset_microns()
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*/
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#if !defined(PNG_NO_EASY_ACCESS)
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#ifndef PNG_NO_EASY_ACCESS
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#define PNG_EASY_ACCESS_SUPPORTED
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#endif
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@@ -351,45 +418,100 @@ __dont__ include it again
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* a bit smaller.
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*/
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#ifndef PNG_READ_ANCILLARY_CHUNKS_NOT_SUPPORTED
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#if !defined(PNG_READ_ANCILLARY_CHUNKS_NOT_SUPPORTED) && \
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!defined(PNG_NO_READ_ANCILLARY_CHUNKS)
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#define PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
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#endif
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#ifndef PNG_WRITE_ANCILLARY_CHUNKS_NOT_SUPPORTED
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#if !defined(PNG_WRITE_ANCILLARY_CHUNKS_NOT_SUPPORTED) && \
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!defined(PNG_NO_WRITE_ANCILLARY_CHUNKS)
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#define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
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#endif
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#ifdef PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
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#ifndef PNG_NO_PNG_READ_bKGD
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#define PNG_READ_bKGD_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_cHRM
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#define PNG_READ_cHRM_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_gAMA
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#define PNG_READ_gAMA_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_hIST
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#define PNG_READ_hIST_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_oFFs
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#define PNG_READ_oFFs_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_pCAL
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#define PNG_READ_pCAL_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_pHYs
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#define PNG_READ_pHYs_SUPPORTED
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#endif
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#ifndef PNG_NO_READ_sBIT
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#define PNG_READ_sBIT_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_sRGB
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#define PNG_READ_sRGB_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_tEXt
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#define PNG_READ_tEXt_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_tIME
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#define PNG_READ_tIME_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_tRNS
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#define PNG_READ_tRNS_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_zTXt
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#define PNG_READ_zTXt_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_READ_OPT_PLTE
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#define PNG_READ_OPT_PLTE_SUPPORTED /* only affects support of the optional */
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/* PLTE chunk in RGB and RGBA images */
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#endif /* PLTE chunk in RGB and RGBA images */
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#endif /* PNG_READ_ANCILLARY_CHUNKS_SUPPORTED */
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#ifdef PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
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#ifndef PNG_NO_PNG_WRITE_bKGD
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#define PNG_WRITE_bKGD_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_cHRM
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#define PNG_WRITE_cHRM_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_gAMA
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#define PNG_WRITE_gAMA_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_hIST
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#define PNG_WRITE_hIST_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_oFFs
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#define PNG_WRITE_oFFs_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_pCAL
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#define PNG_WRITE_pCAL_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_pHYs
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#define PNG_WRITE_pHYs_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_sBIT
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#define PNG_WRITE_sBIT_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_sRGB
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#define PNG_WRITE_sRGB_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_tEXt
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#define PNG_WRITE_tEXt_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_tIME
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#define PNG_WRITE_tIME_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_tRNS
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#define PNG_WRITE_tRNS_SUPPORTED
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#endif
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#ifndef PNG_NO_PNG_WRITE_zTXt
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#define PNG_WRITE_zTXt_SUPPORTED
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#endif
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#endif /* PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED */
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/* need the time information for reading tIME chunks */
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