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Modify static_set_gamma() method, due to code merge error.

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This commit is contained in:
Joe Hager 2007-10-12 01:11:46 +00:00
parent c09217cd1c
commit 5eeb1fbbcf
1 changed files with 10 additions and 2 deletions
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12
panda/src/osxdisplay/osxGraphicsStateGuardian.cxx
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@ -389,7 +389,7 @@ describe_pixel_format(FrameBufferProperties &fb_props) {
bool osxGraphicsStateGuardian::
static_set_gamma(float gamma) {
bool set;
CGDisplayRestoreColorSyncSettings();
set = false;
CGGammaValue gOriginalRedTable[ 256 ];
@ -408,16 +408,23 @@ static_set_gamma(float gamma) {
short j, i;
short y[3];
for (j = 0; j < 3; j++)
{
y[j] = 255;
};
gamma = (2 * gamma) + 1.0;
y[0] = 256 * gamma;
y[1] = 256 * gamma;
y[2] = 256 * gamma;
for (i = 0; i < 256; i++)
{
redTable[i] = gOriginalRedTable[ i ] * (y[ 0 ] ) / 256;
greenTable[ i ] = gOriginalGreenTable[ i ] * (y[ 1 ] ) / 256;
blueTable[ i ] = gOriginalBlueTable[ i ] * (y[ 2 ] ) / 256;
};
cgErr = CGSetDisplayTransferByTable( 0, 256, redTable, greenTable, blueTable);
if (cgErr == 0){
@ -425,6 +432,7 @@ static_set_gamma(float gamma) {
}
return set;
}
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