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Fix PNG crasher/hang. The problem is due to a the casting of float to int/unsigned.

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Patch submitted by randeg@alum.rpi.edu
r=pavlov@pavlov.net
sr=tor@acm.org
a=asa@mozilla.org
# 200801


git-svn-id: svn://10.0.0.236/trunk@142608 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
jdunn%netscape.com 2003-05-19 12:54:16 +00:00
parent 040d929493
commit 73da294dd4
1 changed files with 3 additions and 1 deletions
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4
mozilla/modules/libpr0n/decoders/png/nsPNGDecoder.cpp
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@ -208,8 +208,10 @@ info_callback(png_structp png_ptr, png_infop info_ptr)
#endif
if (png_get_gAMA(png_ptr, info_ptr, &aGamma)) {
if (aGamma < 0)
if ((aGamma <= 0.0) || (aGamma > 21474.83)) {
aGamma = 0.45455;
png_set_gAMA(png_ptr, info_ptr, aGamma);
}
png_set_gamma(png_ptr, 2.2, aGamma);
}
else