Re: x-display-color-cells returns wrong number

[Jesper Harder]

"Jan D." <address@hidden> writes:

>>   (x-display-color-cells) => 64
>>
>> I noticed because of the recent change in font-lock.el -- since
>> 64 < 88 I now get really ugly font-lock colours.
>
> This function does not look to have been changed for a very long time.
> It basically just returns
> DisplayCells (dpyinfo->display,
>                XScreenNumberOfScreen (dpyinfo->screen))
>
> Have you changed X server lately?

No.  `x-display-color-cells' has probably always returned 64 (it also
does that in Emacs 21.3), but I guess it just wasn't used anywhere
important before now.

> Can you send the output of xdpyinfo here?

name of display:    :0.0
version number:    11.0
vendor string:    The XFree86 Project, Inc
vendor release number:    40201000
XFree86 version: 4.2.1
maximum request size:  4194300 bytes
motion buffer size:  256
bitmap unit, bit order, padding:    32, LSBFirst, 32
image byte order:    LSBFirst
number of supported pixmap formats:    7
supported pixmap formats:
    depth 1, bits_per_pixel 1, scanline_pad 32
    depth 4, bits_per_pixel 8, scanline_pad 32
    depth 8, bits_per_pixel 8, scanline_pad 32
    depth 15, bits_per_pixel 16, scanline_pad 32
    depth 16, bits_per_pixel 16, scanline_pad 32
    depth 24, bits_per_pixel 32, scanline_pad 32
    depth 32, bits_per_pixel 32, scanline_pad 32
keycode range:    minimum 8, maximum 255
focus:  window 0x1c00013, revert to Parent
number of extensions:    27
    BIG-REQUESTS
    DOUBLE-BUFFER
    DPMS
    Extended-Visual-Information
    FontCache
    GLX
    LBX
    MIT-SCREEN-SAVER
    MIT-SHM
    MIT-SUNDRY-NONSTANDARD
    RENDER
    SECURITY
    SGI-GLX
    SHAPE
    SYNC
    TOG-CUP
    X-Resource
    XC-APPGROUP
    XC-MISC
    XFree86-Bigfont
    XFree86-DGA
    XFree86-Misc
    XFree86-VidModeExtension
    XInputExtension
    XKEYBOARD
    XTEST
    XVideo
default screen number:    0
number of screens:    1

screen #0:
  dimensions:    1152x864 pixels (322x241 millimeters)
  resolution:    91x91 dots per inch
  depths (7):    16, 1, 4, 8, 15, 24, 32
  root window id:    0x39
  depth of root window:    16 planes
  number of colormaps:    minimum 1, maximum 1
  default colormap:    0x20
  default number of colormap cells:    64
  preallocated pixels:    black 0, white 65535
  options:    backing-store NO, save-unders NO
  largest cursor:    64x64
  current input event mask:    0x5a20bd
    KeyPressMask             ButtonPressMask          ButtonReleaseMask        
    EnterWindowMask          LeaveWindowMask          PointerMotionHintMask    
    ButtonMotionMask         StructureNotifyMask      SubstructureNotifyMask   
    SubstructureRedirectMask PropertyChangeMask       
  number of visuals:    4
  default visual id:  0x23
  visual:
    visual id:    0x23
    class:    TrueColor
    depth:    16 planes
    available colormap entries:    64 per subfield
    red, green, blue masks:    0xf800, 0x7e0, 0x1f
    significant bits in color specification:    8 bits
  visual:
    visual id:    0x24
    class:    TrueColor
    depth:    16 planes
    available colormap entries:    64 per subfield
    red, green, blue masks:    0xf800, 0x7e0, 0x1f
    significant bits in color specification:    8 bits
  visual:
    visual id:    0x25
    class:    DirectColor
    depth:    16 planes
    available colormap entries:    64 per subfield
    red, green, blue masks:    0xf800, 0x7e0, 0x1f
    significant bits in color specification:    8 bits
  visual:
    visual id:    0x26
    class:    DirectColor
    depth:    16 planes
    available colormap entries:    64 per subfield
    red, green, blue masks:    0xf800, 0x7e0, 0x1f
    significant bits in color specification:    8 bits