setColorRgbaB method
Implementation
void setColorRgbaB(PvrtcColorRgba c) {
final a = BitUtility.BITSCALE_8_TO_3_CEIL[c.a];
if (a == 7) {
final r = BitUtility.BITSCALE_8_TO_5_CEIL[c.r];
final g = BitUtility.BITSCALE_8_TO_5_CEIL[c.g];
final b = BitUtility.BITSCALE_8_TO_5_CEIL[c.b];
colorB = r << 10 | g << 5 | b;
colorBIsOpaque = 1;
} else {
final r = BitUtility.BITSCALE_8_TO_4_CEIL[c.r];
final g = BitUtility.BITSCALE_8_TO_4_CEIL[c.g];
final b = BitUtility.BITSCALE_8_TO_4_CEIL[c.b];
colorB = a << 12 | r << 8 | g << 4 | b;
colorBIsOpaque = 0;
}
}