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Try to address real problem of unknown crash

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/branches/gnustep_testplant_branch@39771 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Marcian Lytwyn 2016-05-16 17:24:26 +00:00
parent 6ab033ef7d
commit a33848a321
1 changed files with 29 additions and 26 deletions
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55
Source/gsc/gscolors.c
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@ -280,35 +280,38 @@ gsColorToHSB(device_color_t *color)
Temp = (r < g ? r : g);
Temp = (b < Temp ? b : Temp);
diff = V - Temp;
if (V == r)
{
if (diff == 0.0)
{
// Invoke same code as r=g=b above...
H = 0;
// diff == 0 so diff/V == 0
// V already == r
}
else
// TESTPLANT-MAL-05162016: customer getting crashes in this
// code somehwere - only case I can find that could cause one
// is V == 0...
if (V == 0.0)
{
_hue_component = 0;
_saturation_component = 0;
_brightness_component = r;
}
else
{
if (V == r)
{
H = (g - b)/diff;
}
}
else if (V == g)
{
H = (b - r)/diff + 2;
}
else
{
H = (r - g)/diff + 4;
}
if (H < 0)
{
H += 6;
}
_hue_component = H/6;
_saturation_component = diff/V;
_brightness_component = V;
else if (V == g)
{
H = (b - r)/diff + 2;
}
else
{
H = (r - g)/diff + 4;
}
if (H < 0)
{
H += 6;
}
_hue_component = H/6;
_saturation_component = diff/V;
_brightness_component = V;
}
}
color->field[0] = _hue_component;
color->field[1] = _saturation_component;