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Better color component sanity checking.

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curt 2004-03-22 19:12:07 +00:00
parent 00e0e72bca
commit 44551dad2d
1 changed files with 18 additions and 0 deletions
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18
simgear/screen/colors.hxx
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@ -47,6 +47,13 @@ inline void gamma_correct_rgb(float *color,
color[0] = pow(color[0], tmp);
color[1] = pow(color[1], tmp);
color[2] = pow(color[2], tmp);
if ( color[0] < 0.0 ) { color[0] = 0.0; }
if ( color[1] < 0.0 ) { color[1] = 0.0; }
if ( color[2] < 0.0 ) { color[2] = 0.0; }
if ( color[0] > 1.0 ) { color[0] = 1.0; }
if ( color[1] > 1.0 ) { color[1] = 1.0; }
if ( color[2] > 1.0 ) { color[2] = 1.0; }
};
inline void gamma_correct_c(float *color,
@ -56,6 +63,8 @@ inline void gamma_correct_c(float *color,
return;
*color = pow(*color, reff/system);
if ( *color < 0.0 ) { *color = 0.0; }
if ( *color > 1.0 ) { *color = 1.0; }
};
inline void gamma_restore_rgb(float *color,
@ -68,6 +77,13 @@ inline void gamma_restore_rgb(float *color,
color[0] = pow(color[0], tmp);
color[1] = pow(color[1], tmp);
color[2] = pow(color[2], tmp);
if ( color[0] < 0.0 ) { color[0] = 0.0; }
if ( color[1] < 0.0 ) { color[1] = 0.0; }
if ( color[2] < 0.0 ) { color[2] = 0.0; }
if ( color[0] > 1.0 ) { color[0] = 1.0; }
if ( color[1] > 1.0 ) { color[1] = 1.0; }
if ( color[2] > 1.0 ) { color[2] = 1.0; }
};
inline void gamma_restore_c(float *color,
@ -77,6 +93,8 @@ inline void gamma_restore_c(float *color,
return;
*color = pow(*color, system/reff);
if ( *color < 0.0 ) { *color = 0.0; }
if ( *color > 1.0 ) { *color = 1.0; }
};