TGA_SETTING_RLE
brle = fSettings->SetGetBool(TGA_SETTING_RLE);
{TGA_SETTING_RLE, TRAN_SETTING_BOOL, false},
fSettings->SetGetBool(TGA_SETTING_RLE, &saveWithRLE);
val = (fSettings->SetGetBool(TGA_SETTING_RLE)) ? 1 : 0;