[MacPorts] #55804: libsdl: cursor lacks transparency in High Sierra (macOS 10.13)

[MacPorts]

#55804: libsdl: cursor lacks transparency in High Sierra (macOS 10.13)
---------------------------+------------------------
  Reporter:  markuskimius  |      Owner:  jmroot
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:  highsierra
      Port:  libsdl        |
---------------------------+------------------------

Comment (by kencu):

 I found only this part of the referenced patch was needed (other parts are
 already in MacPorts):
 {{{
 $ cat patch-sdl-1.2-10.13-cursor-fix.diff
 diff --git a/src/video/quartz/SDL_QuartzWM.m
 b/src/video/quartz/SDL_QuartzWM.m
 index d526424d4..6a0c98695 100644
 --- a/src/video/quartz/SDL_QuartzWM.m
 +++ b/src/video/quartz/SDL_QuartzWM.m
 @@ -55,7 +55,7 @@ void QZ_FreeWMCursor     (_THIS, WMcursor *cursor) {

      /* copy data and mask, extending the mask to all black pixels because
 the inversion effect doesn't work with Cocoa's alpha-blended cursors */
      for (i = 0; i < (w+7)/8*h; i++) {
 -        planes[0][i] = data[i] ^ 0xFF;
 +        planes[0][i] = ~data[i] & mask[i];
          planes[1][i] = mask[i] | data[i];
      }
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/55804#comment:7>
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