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Hi,
starting point is a generic eps file which should be converted into a photoshop eps file manually. I am familiar with the document Adobe Photoshop File Formats Specificaction provided by Adobe which describes briefly the required steps (inserting imagedata tag). Unfortunately there is still a question of how to merge the two different syntaxes (generic eps and photoshop eps).
Can anybody tell me what (and where) I have to insert/modify to get a photoshop eps that does not ask for rasterizing information (see the generic eps file below)?
Thanks a lot for your help.
Michael
—
Here is an excerpt of the mentioned generic eps file generated by imagemagick (respectively ghostscript):
%!PS-Adobe-3.0 EPSF-3.0
%%Creator: (ImageMagick)
%%Title: (image.eps)
%%CreationDate: (Tue Dec 30 19:03:19 2003)
%%BoundingBox: 0 0 300 200
%%HiResBoundingBox: 0 0 300 200
%%LanguageLevel: 2
%%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.
%
/DirectClassImage
{
%
% Display a DirectClass image.
%
colorspace 0 eq
{
/DeviceRGB setcolorspace
<<
/ImageType 1
/Width columns
/Height rows
/BitsPerComponent 8
/Decode [0 1 0 1 0 1]
/ImageMatrix [columns 0 0 rows neg 0 rows]
compression 0 gt
{ /DataSource pixel_stream /RunLengthDecode filter }
{ /DataSource pixel_stream /RunLengthDecode filter } ifelse
{
/DeviceCMYK setcolorspace
<<
/ImageType 1
/Width columns
/Height rows
/BitsPerComponent 8
/Decode [1 0 1 0 1 0 1 0]
/ImageMatrix [columns 0 0 rows neg 0 rows]
compression 0 gt
{ /DataSource pixel_stream /RunLengthDecode filter }
{ /DataSource pixel_stream /RunLengthDecode filter } ifelse
} bind def
/PseudoClassImage
{
%
% Display a PseudoClass image.
%
% Parameters:
% colors: number of colors in the colormap.
%
currentfile buffer readline pop
token pop /colors exch def pop
colors 0 eq
{
%
% Image is grayscale.
%
currentfile buffer readline pop
token pop /bits exch def pop
/DeviceGray setcolorspace
<<
/ImageType 1
/Width columns
/Height rows
/BitsPerComponent bits
/Decode [0 1]
/ImageMatrix [columns 0 0 rows neg 0 rows]
compression 0 gt
{ /DataSource pixel_stream /RunLengthDecode filter }
{
/DataSource pixel_stream /RunLengthDecode filter
<<
/K -1
/Columns columns
/Rows rows
{
%
% Parameters:
% colormap: red, green, blue color packets.
%
/colormap colors 3 mul string def
currentfile colormap readhexstring pop pop
currentfile buffer readline pop
[ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace <<
/ImageType 1
/Width columns
/Height rows
/BitsPerComponent 8
/Decode [0 255]
/ImageMatrix [columns 0 0 rows neg 0 rows]
compression 0 gt
{ /DataSource pixel_stream /RunLengthDecode filter }
{ /DataSource pixel_stream /RunLengthDecode filter } ifelse
} bind def
/DisplayImage
{
%
% Display a DirectClass or PseudoClass image.
%
% Parameters:
% x & y translation.
% x & y scale.
% label pointsize.
% image label.
% image columns & rows.
% class: 0-DirectClass or 1-PseudoClass.
% colorspace: 0-RGB or 1-CMYK.
% compression: 0-RLECompression or 1-NoCompression.
% hex color packets.
%
gsave
/buffer 512 string def
/pixel_stream currentfile def
currentfile buffer readline pop
token pop /x exch def
token pop /y exch def pop
x y translate
currentfile buffer readline pop
token pop /x exch def
token pop /y exch def pop
currentfile buffer readline pop
token pop /pointsize exch def pop
/Helvetica findfont pointsize scalefont setfont
x y scale
currentfile buffer readline pop
token pop /columns exch def
token pop /rows exch def pop
currentfile buffer readline pop
token pop /class exch def pop
currentfile buffer readline pop
token pop /colorspace exch def pop
currentfile buffer readline pop
token pop /compression exch def pop
class 0 gt { PseudoClassImage } { DirectClassImage } ifelse grestore
} bind def
%%EndProlog
%%Page: 1 1
%%PageBoundingBox: 0 0 300 200
userdict begin
%%BeginData: 241942 Binary Bytes
DisplayImage
0 0
300 200
12.000000
300 200
0
1
0
~Y Y Y X Y Y X X Y Y X Y Y Y Y X Y X Y
…..
%%EndData
end
%%PageTrailer
%%Trailer
%%BoundingBox: 0 0 300 200
%%HiResBoundingBox: 0 0 300 200
%%EOF
starting point is a generic eps file which should be converted into a photoshop eps file manually. I am familiar with the document Adobe Photoshop File Formats Specificaction provided by Adobe which describes briefly the required steps (inserting imagedata tag). Unfortunately there is still a question of how to merge the two different syntaxes (generic eps and photoshop eps).
Can anybody tell me what (and where) I have to insert/modify to get a photoshop eps that does not ask for rasterizing information (see the generic eps file below)?
Thanks a lot for your help.
Michael
—
Here is an excerpt of the mentioned generic eps file generated by imagemagick (respectively ghostscript):
%!PS-Adobe-3.0 EPSF-3.0
%%Creator: (ImageMagick)
%%Title: (image.eps)
%%CreationDate: (Tue Dec 30 19:03:19 2003)
%%BoundingBox: 0 0 300 200
%%HiResBoundingBox: 0 0 300 200
%%LanguageLevel: 2
%%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.
%
/DirectClassImage
{
%
% Display a DirectClass image.
%
colorspace 0 eq
{
/DeviceRGB setcolorspace
<<
/ImageType 1
/Width columns
/Height rows
/BitsPerComponent 8
/Decode [0 1 0 1 0 1]
/ImageMatrix [columns 0 0 rows neg 0 rows]
compression 0 gt
{ /DataSource pixel_stream /RunLengthDecode filter }
{ /DataSource pixel_stream /RunLengthDecode filter } ifelse
}image
{
/DeviceCMYK setcolorspace
<<
/ImageType 1
/Width columns
/Height rows
/BitsPerComponent 8
/Decode [1 0 1 0 1 0 1 0]
/ImageMatrix [columns 0 0 rows neg 0 rows]
compression 0 gt
{ /DataSource pixel_stream /RunLengthDecode filter }
{ /DataSource pixel_stream /RunLengthDecode filter } ifelse
} ifelseimage
} bind def
/PseudoClassImage
{
%
% Display a PseudoClass image.
%
% Parameters:
% colors: number of colors in the colormap.
%
currentfile buffer readline pop
token pop /colors exch def pop
colors 0 eq
{
%
% Image is grayscale.
%
currentfile buffer readline pop
token pop /bits exch def pop
/DeviceGray setcolorspace
<<
/ImageType 1
/Width columns
/Height rows
/BitsPerComponent bits
/Decode [0 1]
/ImageMatrix [columns 0 0 rows neg 0 rows]
compression 0 gt
{ /DataSource pixel_stream /RunLengthDecode filter }
{
/DataSource pixel_stream /RunLengthDecode filter
<<
/K -1
/Columns columns
/Rows rows
} ifelse/CCITTFaxDecode filter
}image
{
%
% Parameters:
% colormap: red, green, blue color packets.
%
/colormap colors 3 mul string def
currentfile colormap readhexstring pop pop
currentfile buffer readline pop
[ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace <<
/ImageType 1
/Width columns
/Height rows
/BitsPerComponent 8
/Decode [0 255]
/ImageMatrix [columns 0 0 rows neg 0 rows]
compression 0 gt
{ /DataSource pixel_stream /RunLengthDecode filter }
{ /DataSource pixel_stream /RunLengthDecode filter } ifelse
} ifelseimage
} bind def
/DisplayImage
{
%
% Display a DirectClass or PseudoClass image.
%
% Parameters:
% x & y translation.
% x & y scale.
% label pointsize.
% image label.
% image columns & rows.
% class: 0-DirectClass or 1-PseudoClass.
% colorspace: 0-RGB or 1-CMYK.
% compression: 0-RLECompression or 1-NoCompression.
% hex color packets.
%
gsave
/buffer 512 string def
/pixel_stream currentfile def
currentfile buffer readline pop
token pop /x exch def
token pop /y exch def pop
x y translate
currentfile buffer readline pop
token pop /x exch def
token pop /y exch def pop
currentfile buffer readline pop
token pop /pointsize exch def pop
/Helvetica findfont pointsize scalefont setfont
x y scale
currentfile buffer readline pop
token pop /columns exch def
token pop /rows exch def pop
currentfile buffer readline pop
token pop /class exch def pop
currentfile buffer readline pop
token pop /colorspace exch def pop
currentfile buffer readline pop
token pop /compression exch def pop
class 0 gt { PseudoClassImage } { DirectClassImage } ifelse grestore
} bind def
%%EndProlog
%%Page: 1 1
%%PageBoundingBox: 0 0 300 200
userdict begin
%%BeginData: 241942 Binary Bytes
DisplayImage
0 0
300 200
12.000000
300 200
0
1
0
~Y Y Y X Y Y X X Y Y X Y Y Y Y X Y X Y
…..
%%EndData
end
%%PageTrailer
%%Trailer
%%BoundingBox: 0 0 300 200
%%HiResBoundingBox: 0 0 300 200
%%EOF
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