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649 | |
649 | |
650 | template class refcache<rxvt_display>; |
650 | template class refcache<rxvt_display>; |
651 | refcache<rxvt_display> displays; |
651 | refcache<rxvt_display> displays; |
652 | |
652 | |
653 | ///////////////////////////////////////////////////////////////////////////// |
653 | ///////////////////////////////////////////////////////////////////////////// |
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654 | // |
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655 | |
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656 | static unsigned int |
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657 | insert_component (unsigned int value, unsigned int mask, unsigned int shift) |
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658 | { |
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659 | return (value * (mask + 1) >> 16) << shift; |
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660 | } |
654 | |
661 | |
655 | bool |
662 | bool |
656 | rxvt_color::alloc (rxvt_screen *screen, const rgba &color) |
663 | rxvt_color::alloc (rxvt_screen *screen, const rgba &color) |
657 | { |
664 | { |
658 | #if XFT |
665 | #if XFT |
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668 | c.color.red = color.r; |
675 | c.color.red = color.r; |
669 | c.color.green = color.g; |
676 | c.color.green = color.g; |
670 | c.color.blue = color.b; |
677 | c.color.blue = color.b; |
671 | c.color.alpha = color.a; |
678 | c.color.alpha = color.a; |
672 | |
679 | |
673 | c.pixel = ((color.r * format->direct.redMask / rgba::MAX_CC) << format->direct.red ) |
680 | c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red ) |
674 | | ((color.g * format->direct.greenMask / rgba::MAX_CC) << format->direct.green) |
681 | | insert_component (color.g, format->direct.greenMask, format->direct.green) |
675 | | ((color.b * format->direct.blueMask / rgba::MAX_CC) << format->direct.blue ) |
682 | | insert_component (color.b, format->direct.blueMask , format->direct.blue ) |
676 | | ((color.a * format->direct.alphaMask / rgba::MAX_CC) << format->direct.alpha); |
683 | | insert_component (color.a, format->direct.alphaMask, format->direct.alpha); |
677 | |
684 | |
678 | return true; |
685 | return true; |
679 | } |
686 | } |
680 | else |
687 | else |
681 | { |
688 | { |