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[devel] Fixed pngvalid, simplified macros, added checking for 0 in sCAL.

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This commit is contained in:
John Bowler
2011-06-18 13:37:11 -05:00
committed by Glenn Randers-Pehrson
parent c4a8214b77
commit 8d261262d9
11 changed files with 219 additions and 140 deletions
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14
scripts/pnglibconf.dfa
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@@ -294,7 +294,9 @@ option READ enables READ_INTERLACING
# Disabling READ_16BIT does not disable reading 16-bit PNG files, but it
# forces them to be chopped down to 8-bit, and disables any 16-bit
# processing after that has happened. You need to be sure to enable
# READ_16_TO_8 when you disable READ_16BIT for this to work properly.
# READ_SCALE_16_TO_8 or READ_STRIP_16_TO_8 when you disable READ_16BIT for
# this to work properly. You should disable the other option if you need to
# ensure a particular convertion (otherwise the app can chose.)
option READ_16BIT requires READ enables 16BIT
@@ -312,7 +314,8 @@ option READ_SWAP requires READ_TRANSFORMS READ_16BIT
option READ_PACKSWAP requires READ_TRANSFORMS
option READ_INVERT requires READ_TRANSFORMS
option READ_BACKGROUND requires READ_TRANSFORMS enables READ_STRIP_ALPHA
option READ_16_TO_8 requires READ_TRANSFORMS
option READ_STRIP_16_TO_8 requires READ_TRANSFORMS
option READ_SCALE_16_TO_8 requires READ_TRANSFORMS
option READ_FILLER requires READ_TRANSFORMS
option READ_GAMMA requires READ_TRANSFORMS enables READ_gAMA
option READ_GRAY_TO_RGB requires READ_TRANSFORMS
@@ -550,14 +553,8 @@ option SAVE_INT_32 requires WRITE
# png_save_int_32 is required by the ancillary chunks oFFs and pCAL
# enabled at libpng-1.5.4, was present but disabled by default
option READ_16_TO_8_ACCURATE_SCALE requires READ_SCALE_16_TO_8
# added at libpng-1.5.4
option READ_SCALE_16_TO_8 requires READ_16_TO_8
option WRITE_OPTIMIZE_CMF requires WRITE
option READ_COMPRESSED_TEXT disabled
@@ -565,7 +562,6 @@ option READ_iCCP enables READ_COMPRESSED_TEXT
option READ_iTXt enables READ_COMPRESSED_TEXT
option READ_zTXt enables READ_COMPRESSED_TEXT
option READ_COMPRESSED_TEXT enables READ_TEXT
option READ_STRIP_16_TO_8 requires READ_16_TO_8
option WRITE_oFFs enables SAVE_INT_32
option WRITE_pCAL enables SAVE_INT_32