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806 lines
18 KiB
806 lines
18 KiB
% the postscript header we use for our qpsprinter in uncompressed and commented form.
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% use the makepsheader perl script to generate a compressed version of this header
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% you can then paste into qpsprinter.cpp
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%
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% some compression of the code is done by the makepsheader script, so we don't need to
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% write too criptically here.
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/d /def load def
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/D {bind d} bind d
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/d2 {dup dup} D
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/B {0 d2} D
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/W {255 d2} D
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/ED {exch d} D
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/D0 {0 ED} D
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/LT {lineto} D
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/MT {moveto} D
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/S {stroke} D
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/F {setfont} D
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/SW {setlinewidth} D
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/CP {closepath} D
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/RL {rlineto} D
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/NP {newpath} D
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/CM {currentmatrix} D
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/SM {setmatrix} D
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/TR {translate} D
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/SD {setdash} D
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/SC {aload pop setrgbcolor} D
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/CR {currentfile read pop} D
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/i {index} D
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/bs {bitshift} D
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/scs {setcolorspace} D
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/DB {dict dup begin} D
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/DE {end d} D
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/ie {ifelse} D
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/sp {astore pop} D
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% ENDUNCOMPRESSED: Warning: leave this line in.
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% Everything before this line will be left untouched by the compression
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/BSt 0 d % brush style
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/LWi 1 d % line width
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/PSt 1 d % pen style
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/Cx 0 d % current x position
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/Cy 0 d % current y position
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/WFi false d % winding fill
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/OMo false d % opaque mode (not transparent)
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/BCol [ 1 1 1 ] d % brush color
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/PCol [ 0 0 0 ] d % pen color
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/BkCol [ 1 1 1 ] d % background color
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/BDArr [ % Brush dense patterns
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0.94
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0.88
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0.63
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0.50
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0.37
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0.12
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0.06
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] d
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/defM matrix d
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/nS 0 d % number of saved painter states
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% LArr for the Pen styles is defined in emitHeader because of scaling
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% GPS: GetPenStyle
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% Returns the line pattern (from pen style PSt).
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%
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% bool GPS pattern
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% true : returns draw pattern
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% false: returns fill pattern
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/GPS {
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PSt 1 ge PSt 5 le and % valid pen pattern?
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{
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{ LArr PSt 1 sub 2 mul get } % draw pattern
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{ LArr PSt 2 mul 1 sub get } ifelse % opaque pattern
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}
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{ [] } ifelse % out of range => solid line
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} D
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% QS: QtStroke
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% draw and fill current path
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%
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% - QS -
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/QS { % stroke command
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PSt 0 ne % != NO_PEN
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{
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gsave
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LWi SW % set line width
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true GPS 0 setdash S % draw line pattern
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OMo PSt 1 ne and % opaque mode and not solid line?
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{
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BkCol SC
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false GPS dup 0 get setdash S % fill in opaque pattern
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} if
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grestore
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} if
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} D
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%% The following operations are used to read compressed data from the file
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%% Until now this is only used for image compression
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% read 28 bits and leave them on tos
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%
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% - r28 num
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/r28 {
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% skip past whitespace and read one character
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{ currentfile read pop
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dup 32 gt { exit } if
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pop
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} loop
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% read three more
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3 {
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currentfile read pop
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} repeat
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% make an accumulator
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0
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% for each character, shift the accumulator and add in the character
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4 {
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7 bitshift exch
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dup 128 gt { 84 sub } if 42 sub 127 and
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add
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} repeat
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} D
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/rA 0 d % accumulator
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/rL 0 d % bits left
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% takes number of bits, leaves number
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%
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% num rB num
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/rB {
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rL 0 eq {
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% if we have nothing, let's get something
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/rA r28 d
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/rL 28 d
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} if
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dup rL gt {
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% if we don't have enough, take what we have and get more
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rA exch rL sub rL exch
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/rA 0 d /rL 0 d
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rB exch bitshift add
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} {
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% else take some of what we have
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dup rA 16#fffffff 3 -1 roll bitshift not and exch
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% ... and update rL and rA
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dup rL exch sub /rL ED
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neg rA exch bitshift /rA ED
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} ifelse
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} D
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% uncompresses image data from currentfile until the string on the
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% stack is full; leaves the string there.
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% assumes that nothing could conceivably go wrong, ie. the compressed data has
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% to be in the correct format and the length of the string has to be exactly right
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% to hold the compressed data
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%
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% string uc string
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%
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%%% Warning: if you change the method here, change the table in qpsprinter.cpp:compress()!
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/uc {
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/rL 0 d
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0
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{ % string pos
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dup 2 index length ge { exit } if
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1 rB
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1 eq { % compressed
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3 rB % string pos bits
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dup 3 ge {
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1 add dup rB % string pos bits extra
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1 index 5 ge {
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1 index 6 ge {
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1 index 7 ge {
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1 index 8 ge {
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128 add
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} if
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64 add
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} if
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32 add
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} if
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16 add
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} if
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3 add
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exch pop
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} if
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3 add
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% string pos length
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exch 10 rB 1 add
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% string length pos dist
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{
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dup 3 index lt {
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dup
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} {
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2 index
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} ifelse % string length pos dist length-this-time
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4 index 3 index 3 index sub 2 index getinterval
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5 index 4 index 3 -1 roll putinterval
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dup 4 -1 roll add 3 1 roll
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4 -1 roll exch sub
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dup 0 eq { exit } if
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3 1 roll
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} loop % string pos dist length
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pop pop
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} { % uncompressed
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3 rB 1 add
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{
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2 copy 8 rB put 1 add
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} repeat
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} ifelse
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} loop
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pop
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} D
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%% image drawing routines
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/sl D0 % ### is this needed ?
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% defines for QCI
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/QCIgray D0 /QCIcolor D0 /QCIindex D0
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% this method prints color images if colorimage is available, otherwise
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% converts the string to a grayscale image and uses the reular postscript image
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% operator for printing.
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% Arguments are the same as for the image operator:
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%
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% width height bits/sample matrix datasrc QCI -
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/QCI {
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/colorimage where {
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pop
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false 3 colorimage
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}{ % the hard way, based on PD code by John Walker <kelvin@autodesk.com>
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exec /QCIcolor ED
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/QCIgray QCIcolor length 3 idiv string d
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0 1 QCIcolor length 3 idiv 1 sub
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{ /QCIindex ED
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/x QCIindex 3 mul d
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QCIgray QCIindex
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QCIcolor x get 0.30 mul
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QCIcolor x 1 add get 0.59 mul
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QCIcolor x 2 add get 0.11 mul
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add add cvi
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put
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} for
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QCIgray image
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} ifelse
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} D
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% general image drawing routine, used from the postscript driver
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%
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% Draws images with and without mask with 1, 8 and 24(rgb) bits depth.
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%
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% width height matrix image 1|8|24 mask|false x y di
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%
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% width and height specify the width/height of the image,
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% matrix a transformation matrix, image a procedure holding the image data
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% (same for mask) and x/y an additional translation.
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%
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% ### should move the translation into the matrix!!!
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/di
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{
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gsave
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translate
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1 index 1 eq { % bitmap
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false eq { % no mask, draw solid background
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pop
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true 3 1 roll % width height false matrix image
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4 index
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4 index
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false
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4 index
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4 index
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imagemask
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BkCol SC
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imagemask
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} {
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pop
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false 3 1 roll % width height false matrix image
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imagemask
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} ifelse
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} {
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dup false ne {
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% have a mask, see if we can use it
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/languagelevel where {
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pop
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languagelevel 3 ge
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} { false } ifelse
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} {
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false
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} ifelse
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{
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% languagelevel3, we can use image mask and dicts
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% store the image mask
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/ma exch d
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% select colorspace according to 8|24 bit depth and set the decode array /dc
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8 eq {
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/dc [0 1] d
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/DeviceGray
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} {
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/dc [0 1 0 1 0 1] d
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/DeviceRGB
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} ifelse
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setcolorspace
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% the image data
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/im exch d
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% transformation matrix
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/mt exch d
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% width and height
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/h exch def
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/w exch def
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% the image dict
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/id
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7 dict dup begin
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/ImageType 1 d
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/Width w d
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/Height h d
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/ImageMatrix mt d
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/DataSource im d
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/BitsPerComponent 8 d
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/Decode dc d
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end d
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% the mask dictionary
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/md
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7 dict dup begin
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/ImageType 1 d
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/Width w d
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/Height h d
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/ImageMatrix mt d
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/DataSource ma d
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/BitsPerComponent 1 d
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/Decode [0 1] d
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end d
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% and the combined image dict
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4 dict dup begin
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/ImageType 3 d
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/DataDict id d
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/MaskDict md d
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/InterleaveType 3 d
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end
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image
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} {
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pop % no mask or can't use it, get rid of it
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8 % width height image 8|24 8 matrix
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4 1 roll
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8 eq { % grayscale
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image
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} { %color
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QCI
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} ifelse
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} ifelse
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} ifelse
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grestore
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} d
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/BF { % brush fill
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gsave
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BSt 1 eq % solid brush?
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{
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BCol SC
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WFi { fill } { eofill } ifelse
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} if
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BSt 2 ge BSt 8 le and % dense pattern?
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{
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BDArr BSt 2 sub get /sc ED
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% the following line scales the brush color according to the pattern. the higher the pattern the lighter the color.
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BCol
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{
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1. exch sub sc mul 1. exch sub
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} forall
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3 array astore
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SC
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WFi { fill } { eofill } ifelse
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} if
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BSt 9 ge BSt 14 le and % brush pattern?
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{
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WFi { clip } { eoclip } ifelse
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defM SM
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pathbbox % left upper right lower
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3 index 3 index translate
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4 2 roll % right lower left upper
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3 2 roll % right left upper lower
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exch % left right lower upper
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sub /h ED
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sub /w ED
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OMo {
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NP
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0 0 MT
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0 h RL
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w 0 RL
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0 h neg RL
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CP
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BkCol SC
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fill
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} if
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BCol SC
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0.3 SW
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NP
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BSt 9 eq BSt 11 eq or % horiz or cross pattern
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{ 0 4 h
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{ dup 0 exch MT w exch LT } for
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} if
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BSt 10 eq BSt 11 eq or % vert or cross pattern
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{ 0 4 w
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{ dup 0 MT h LT } for
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} if
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BSt 12 eq BSt 14 eq or % F-diag or diag cross
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{ w h gt
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{ 0 6 w h add
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{ dup 0 MT h sub h LT } for
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} { 0 6 w h add
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{ dup 0 exch MT w sub w exch LT } for
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} ifelse
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} if
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BSt 13 eq BSt 14 eq or % B-diag or diag cross
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{ w h gt
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{ 0 6 w h add
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{ dup h MT h sub 0 LT } for
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} { 0 6 w h add
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{ dup w exch MT w sub 0 exch LT } for
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} ifelse
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} if
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S
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} if
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BSt 24 eq % CustomPattern
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{
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} if
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grestore
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} D
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% for arc
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/mat matrix d
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/ang1 D0 /ang2 D0
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/w D0 /h D0
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/x D0 /y D0
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/ARC { % Generic ARC function [ X Y W H ang1 ang2 ]
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/ang2 ED /ang1 ED /h ED /w ED /y ED /x ED
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mat CM pop
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x w 2 div add y h 2 div add TR
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1 h w div neg scale
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ang2 0 ge
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{0 0 w 2 div ang1 ang1 ang2 add arc }
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{0 0 w 2 div ang1 ang1 ang2 add arcn} ifelse
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mat SM
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} D
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/C D0
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/P { % PdcDrawPoint [x y]
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NP
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MT
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0.5 0.5 rmoveto
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0 -1 RL
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-1 0 RL
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0 1 RL
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CP
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fill
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} D
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/M { % PdcMoveTo [x y]
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/Cy ED /Cx ED
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} D
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/L { % PdcLineTo [x y]
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NP
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Cx Cy MT
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/Cy ED /Cx ED
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Cx Cy LT
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QS
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} D
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/DL { % PdcDrawLine [x1 y1 x0 y0]
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NP
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MT
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LT
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QS
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} D
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/HL { % PdcDrawLine [x1 y x0]
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1 index DL
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} D
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/VL { % PdcDrawLine [x y1 y0]
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2 index exch DL
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} D
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/R { % PdcDrawRect [x y w h]
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/h ED /w ED /y ED /x ED
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NP
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x y MT
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0 h RL
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w 0 RL
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0 h neg RL
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CP
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BF
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QS
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} D
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/ACR { % add clip rect
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/h ED /w ED /y ED /x ED
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x y MT
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0 h RL
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w 0 RL
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0 h neg RL
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CP
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} D
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/xr D0 /yr D0
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/rx D0 /ry D0 /rx2 D0 /ry2 D0
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/RR { % PdcDrawRoundRect [x y w h xr yr]
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/yr ED /xr ED /h ED /w ED /y ED /x ED
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xr 0 le yr 0 le or
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{x y w h R} % Do rect if one of rounding values is less than 0.
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{xr 100 ge yr 100 ge or
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{x y w h E} % Do ellipse if both rounding values are larger than 100
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{
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/rx xr w mul 200 div d
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/ry yr h mul 200 div d
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/rx2 rx 2 mul d
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/ry2 ry 2 mul d
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NP
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x rx add y MT
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x y rx2 ry2 180 -90
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x y h add ry2 sub rx2 ry2 270 -90
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x w add rx2 sub y h add ry2 sub rx2 ry2 0 -90
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x w add rx2 sub y rx2 ry2 90 -90
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ARC ARC ARC ARC
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CP
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BF
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QS
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} ifelse
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} ifelse
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} D
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/E { % PdcDrawEllipse [x y w h]
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/h ED /w ED /y ED /x ED
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mat CM pop
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x w 2 div add y h 2 div add translate
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1 h w div scale
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NP
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0 0 w 2 div 0 360 arc
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mat SM
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BF
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QS
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} D
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/A { % PdcDrawArc [x y w h ang1 ang2]
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16 div exch 16 div exch
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NP
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ARC
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QS
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} D
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/PIE { % PdcDrawPie [x y w h ang1 ang2]
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/ang2 ED /ang1 ED /h ED /w ED /y ED /x ED
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NP
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x w 2 div add y h 2 div add MT
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x y w h ang1 16 div ang2 16 div ARC
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CP
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BF
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QS
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} D
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/CH { % PdcDrawChord [x y w h ang1 ang2]
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16 div exch 16 div exch
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NP
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ARC
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CP
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BF
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QS
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} D
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/BZ { % PdcDrawCubicBezier [4 points]
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curveto
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QS
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} D
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/CRGB { % Compute RGB [R G B] => R/255 G/255 B/255
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255 div 3 1 roll
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255 div 3 1 roll
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255 div 3 1 roll
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} D
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/BC { % PdcSetBkColor [R G B]
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CRGB
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BkCol astore pop
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} D
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/BR { % PdcSetBrush [style R G B]
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CRGB
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BCol astore pop
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/BSt ED
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} D
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/WB { % set white solid brush
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1 W BR
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} D
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/NB { % set nobrush
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0 B BR
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} D
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|
|
|
/PE { % PdcSetPen [style width R G B Cap Join]
|
|
setlinejoin setlinecap
|
|
CRGB
|
|
PCol astore pop
|
|
/LWi ED
|
|
/PSt ED
|
|
LWi 0 eq { 0.25 /LWi ED } if % ### 3.0 remove this line
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|
PCol SC
|
|
} D
|
|
|
|
/P1 { % PdcSetPen [R G B]
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|
1 0 5 2 roll 0 0 PE
|
|
} D
|
|
|
|
/ST { % SET TRANSFORM [matrix]
|
|
defM setmatrix
|
|
concat
|
|
} D
|
|
|
|
%% Font handling
|
|
|
|
% the next three commands are for defining fonts. The first one
|
|
% tries to find the most suitable printer font out of a fontlist.
|
|
% if encoding is false the default one will be used.
|
|
/MF { % newname encoding fontlist
|
|
% this function tries to find a suitable postscript font.
|
|
% We try quite hard not to get courier for a
|
|
% proportional font. The following takes an array of fonts.
|
|
% The algorithm will take the first font that
|
|
% gives a match (defined as not resulting in a courier font).
|
|
% each entry in the table is an array of the form [ /Fontname x-stretch slant ]
|
|
% x-strtch can be used to stretch/squeeze the font in x direction.
|
|
% This gives better results when eg substituting helvetica for arial
|
|
% slant is an optional slant. 0 is non slanted, 0.2 is a typical value for a syntetic oblique.
|
|
% encoding can be either an encoding vector of false if the default font encoding is requested.
|
|
true exch true exch % push a dummy on the stack,
|
|
{ % so the loop over the array will leave a font in any case when exiting.
|
|
exch pop exch pop % (dummy | oldfont) (dummy | fontdict) fontarray
|
|
dup 0 get dup findfont % get the fontname from the array and load it
|
|
dup /FontName get % see if the font exists
|
|
3 -1 roll eq { % see if fontname and the one provided are equal
|
|
exit
|
|
} if
|
|
} forall
|
|
exch % font fontarray
|
|
|
|
% newname encoding font fontarray defines a postscript font
|
|
dup
|
|
1 get /fxscale exch def % define scale, sland and encoding
|
|
2 get /fslant exch def
|
|
exch /fencoding exch def
|
|
[ fxscale 0 fslant 1 0 0 ] makefont % transform font accordingly
|
|
fencoding false eq { % check if we have an encoding and use it if available
|
|
} {
|
|
dup maxlength dict begin % copy font
|
|
{
|
|
1 index /FID ne % don't copy FID, as it's not allowed in PS Level 1
|
|
{def}{pop pop}ifelse
|
|
} forall
|
|
/Encoding fencoding def % replace encoding
|
|
currentdict
|
|
end
|
|
} ifelse
|
|
definefont pop
|
|
} D
|
|
|
|
% an embedded font. This is used for the base fonts of the composite font used later on.
|
|
/MFEmb { % newname encoding fontname
|
|
findfont dup length dict
|
|
begin
|
|
{
|
|
1 index /FID ne
|
|
{d}{pop pop}ifelse
|
|
} forall
|
|
/Encoding ED currentdict
|
|
end
|
|
definefont pop
|
|
} D
|
|
|
|
% DF: define font
|
|
% used to get a scaled version of an already loaded font
|
|
%
|
|
% newname pointsize fontmame DF -
|
|
/DF {
|
|
findfont
|
|
% get the fontsize on top of the stack and define font matrix
|
|
/fs 3 -1 roll d [ fs 0 0 fs -1 mul 0 0 ]
|
|
makefont
|
|
d
|
|
} D
|
|
|
|
/ty 0 d
|
|
/Y {
|
|
/ty ED
|
|
} D
|
|
|
|
/Tl { % draw underline/strikeout line: () w x y lw ->Tl-> () w x
|
|
gsave
|
|
setlinewidth
|
|
NP 1 index exch MT
|
|
1 index 0 rlineto stroke
|
|
grestore
|
|
} D
|
|
|
|
/XYT { % [string [x/y displacement array] width x]
|
|
ty MT % pops x
|
|
|
|
/xyshow where { % interpreter has xyshow
|
|
pop pop
|
|
xyshow
|
|
} { % use ashow
|
|
exch pop % string cwidth
|
|
1 index % string cwidth string
|
|
dup length 2 div exch % string cwidth length string !have to divide by 2 since we use unicode!
|
|
stringwidth pop % string cwidth length pwidth
|
|
3 -1 roll % string length pwidth cwidth
|
|
exch sub exch div % string extraperchar
|
|
exch 0 exch % extraperchar 0 string
|
|
ashow
|
|
} ifelse
|
|
} D
|
|
|
|
/AT {
|
|
ty MT % pops x
|
|
1 index % string cwidth string
|
|
dup length 2 div exch % string cwidth length string !have to divide by 2 since we use unicode!
|
|
stringwidth pop % string cwidth length pwidth
|
|
3 -1 roll % string length pwidth cwidth
|
|
exch sub exch div % string extraperchar
|
|
exch 0 exch % extraperchar 0 string
|
|
ashow
|
|
} D
|
|
|
|
%% start of page
|
|
/QI {
|
|
/C save d
|
|
pageinit
|
|
/Cx 0 d % reset current x position
|
|
/Cy 0 d % reset current y position
|
|
/OMo false d
|
|
} D
|
|
|
|
%% end of page
|
|
/QP { % show page
|
|
C restore
|
|
showpage
|
|
} D
|
|
|
|
% merges one key value pair into the page device dict
|
|
%
|
|
% key value SPD -
|
|
/SPD {
|
|
/setpagedevice where {
|
|
1 dict dup begin 3 1 roll def end
|
|
setpagedevice
|
|
} { pop pop } ifelse
|
|
} D
|
|
|
|
/SV { % Save painter state
|
|
BSt LWi PSt Cx Cy WFi OMo BCol PCol BkCol
|
|
/nS nS 1 add d
|
|
gsave
|
|
} D
|
|
|
|
/RS { % Restore painter state
|
|
nS 0 gt
|
|
{ grestore
|
|
/BkCol ED /PCol ED /BCol ED /OMo ED /WFi ED
|
|
/Cy ED /Cx ED /PSt ED /LWi ED /BSt ED
|
|
/nS nS 1 sub d
|
|
} if
|
|
} D
|
|
|
|
/CLSTART { % clipping start
|
|
/clipTmp matrix CM d % save current matrix
|
|
defM SM % Page default matrix
|
|
NP
|
|
} D
|
|
|
|
/CLEND { % clipping end
|
|
clip
|
|
NP
|
|
clipTmp SM % restore the current matrix
|
|
} D
|
|
|
|
/CLO { % clipping off
|
|
grestore % restore top of page state
|
|
gsave % save it back again
|
|
defM SM % set coordsys (defensive progr.)
|
|
} D
|
|
|