%!PS-Adobe-3.0
%%Creator: (ImageMagick)
%%Title: (img/motif-howto.ps)
%%CreationDate: (Wed Jul 28 09:39:45 2010)
%%BoundingBox: 0 0 862 1251
%%HiResBoundingBox: 0 0 862.475 1251
%%DocumentData: Clean7Bit
%%LanguageLevel: 1
%%Orientation: Portrait
%%PageOrder: Ascend
%%Pages: 1
%%EndComments
%%BeginDefaults
%%EndDefaults
%%BeginProlog
%
% Display a color image. The image is displayed in color on
% Postscript viewers or printers that support color, otherwise
% it is displayed as grayscale.
%
/DirectClassPacket
{
%
% Get a DirectClass packet.
%
% Parameters:
% red.
% green.
% blue.
% length: number of pixels minus one of this color (optional).
%
currentfile color_packet readhexstring pop pop
compression 0 eq
{
/number_pixels 3 def
}
{
currentfile byte readhexstring pop 0 get
/number_pixels exch 1 add 3 mul def
} ifelse
0 3 number_pixels 1 sub
{
pixels exch color_packet putinterval
} for
pixels 0 number_pixels getinterval
} bind def
/DirectClassImage
{
%
% Display a DirectClass image.
%
systemdict /colorimage known
{
columns rows 8
[
columns 0 0
rows neg 0 rows
]
{ DirectClassPacket } false 3 colorimage
}
{
%
% No colorimage operator; convert to grayscale.
%
columns rows 8
[
columns 0 0
rows neg 0 rows
]
{ GrayDirectClassPacket } image
} ifelse
} bind def
/GrayDirectClassPacket
{
%
% Get a DirectClass packet; convert to grayscale.
%
% Parameters:
% red
% green
% blue
% length: number of pixels minus one of this color (optional).
%
currentfile color_packet readhexstring pop pop
color_packet 0 get 0.299 mul
color_packet 1 get 0.587 mul add
color_packet 2 get 0.114 mul add
cvi
/gray_packet exch def
compression 0 eq
{
/number_pixels 1 def
}
{
currentfile byte readhexstring pop 0 get
/number_pixels exch 1 add def
} ifelse
0 1 number_pixels 1 sub
{
pixels exch gray_packet put
} for
pixels 0 number_pixels getinterval
} bind def
/GrayPseudoClassPacket
{
%
% Get a PseudoClass packet; convert to grayscale.
%
% Parameters:
% index: index into the colormap.
% length: number of pixels minus one of this color (optional).
%
currentfile byte readhexstring pop 0 get
/offset exch 3 mul def
/color_packet colormap offset 3 getinterval def
color_packet 0 get 0.299 mul
color_packet 1 get 0.587 mul add
color_packet 2 get 0.114 mul add
cvi
/gray_packet exch def
compression 0 eq
{
/number_pixels 1 def
}
{
currentfile byte readhexstring pop 0 get
/number_pixels exch 1 add def
} ifelse
0 1 number_pixels 1 sub
{
pixels exch gray_packet put
} for
pixels 0 number_pixels getinterval
} bind def
/PseudoClassPacket
{
%
% Get a PseudoClass packet.
%
% Parameters:
% index: index into the colormap.
% length: number of pixels minus one of this color (optional).
%
currentfile byte readhexstring pop 0 get
/offset exch 3 mul def
/color_packet colormap offset 3 getinterval def
compression 0 eq
{
/number_pixels 3 def
}
{
currentfile byte readhexstring pop 0 get
/number_pixels exch 1 add 3 mul def
} ifelse
0 3 number_pixels 1 sub
{
pixels exch color_packet putinterval
} for
pixels 0 number_pixels getinterval
} bind def
/PseudoClassImage
{
%
% Display a PseudoClass image.
%
% Parameters:
% class: 0-PseudoClass or 1-Grayscale.
%
currentfile buffer readline pop
token pop /class exch def pop
class 0 gt
{
currentfile buffer readline pop
token pop /depth exch def pop
/grays columns 8 add depth sub depth mul 8 idiv string def
columns rows depth
[
columns 0 0
rows neg 0 rows
]
{ currentfile grays readhexstring pop } image
}
{
%
% Parameters:
% colors: number of colors in the colormap.
% colormap: red, green, blue color packets.
%
currentfile buffer readline pop
token pop /colors exch def pop
/colors colors 3 mul def
/colormap colors string def
currentfile colormap readhexstring pop pop
systemdict /colorimage known
{
columns rows 8
[
columns 0 0
rows neg 0 rows
]
{ PseudoClassPacket } false 3 colorimage
}
{
%
% No colorimage operator; convert to grayscale.
%
columns rows 8
[
columns 0 0
rows neg 0 rows
]
{ GrayPseudoClassPacket } image
} ifelse
} ifelse
} bind def
/DisplayImage
{
%
% Display a DirectClass or PseudoClass image.
%
% Parameters:
% x & y translation.
% x & y scale.
% label pointsize.
% image label.
% image columns &