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[devel] Changed pngvalid to work when floating point APIs are disabled

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Glenn Randers-Pehrson 2010-08-24 15:29:52 -05:00
parent b5b38edf30
commit 15333cd28d
3 changed files with 10 additions and 0 deletions
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1
ANNOUNCE
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@ -383,6 +383,7 @@ Version 1.5.0beta45 [August 24, 2010]
what it calls an "authoring error". The change to make pnglibconf.h what it calls an "authoring error". The change to make pnglibconf.h
simply copies the file; in the future it may actually generate the simply copies the file; in the future it may actually generate the
file from scripts/pnglibconf.dfa as the other build systems do. file from scripts/pnglibconf.dfa as the other build systems do.
Changed pngvalid to work when floating point APIs are disabled
Send comments/corrections/commendations to png-mng-implement at lists.sf.net: Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
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1
CHANGES
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@ -3020,6 +3020,7 @@ Version 1.5.0beta45 [August 24, 2010]
what it calls an "authoring error". The change to make pnglibconf.h what it calls an "authoring error". The change to make pnglibconf.h
simply copies the file; in the future it may actually generate the simply copies the file; in the future it may actually generate the
file from scripts/pnglibconf.dfa as the other build systems do. file from scripts/pnglibconf.dfa as the other build systems do.
Changed pngvalid to work when floating point APIs are disabled
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

8
pngvalid.c
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@ -3078,7 +3078,15 @@ gamma_test(png_modifier *pmIn, PNG_CONST png_byte colour_typeIn,
pp = set_modifier_for_read(d.pm, &pi, d.this.id, name); pp = set_modifier_for_read(d.pm, &pi, d.this.id, name);
/* Set up gamma processing. */ /* Set up gamma processing. */
#ifdef PNG_FLOATING_POINT_SUPPORTED
png_set_gamma(pp, d.screen_gamma, d.file_gamma); png_set_gamma(pp, d.screen_gamma, d.file_gamma);
#else
{
png_fixed_point s = floor(d.screen_gamma*100000+.5);
png_fixed_point f = floor(d.file_gamma*100000+.5);
png_set_gamma_fixed(pp, s, f);
}
#endif
/* Introduce the correct read function. */ /* Introduce the correct read function. */
if (d.pm->this.progressive) if (d.pm->this.progressive)