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// Scicos
//
// Copyright (C) INRIA - METALAU Project <scicos@inria.fr>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// See the file ../license.txt
//
function [x,y,typ]=SampleCLK(job,arg1,arg2)
x=[];y=[];typ=[]
select job
case 'plot' then
thik=xget('thickness');
pat=xget('pattern'); xset('pattern',default_color(0))
orig=arg1.graphics.orig;
sz=arg1.graphics.sz;
orient=arg1.graphics.flip;
x=orig(1)*ones(1,9)+sz(1)*[0 1/16 15/16 1 15/16 14/16 2/16 1/16 0];
y=orig(2)*ones(1,9)+sz(2)*[2/3 1 1 2/3 1/3 0 0 1/3 2/3];
xpolys(x',y',5*ones(9,1));
// xarcs([orig(1),orig(2)+sz(2),sz(1),sz(2),-360*64,360*64]',5);
x=orig(1)*ones(1,2)+sz(1)*[0 1];
y=orig(2)*ones(1,2)+sz(2)*[2/3 2/3];
xpolys(x',y',5*ones(2,1));
x=orig(1)*ones(1,2)+sz(1)*[1/16 15/16];
y=orig(2)*ones(1,2)+sz(2)*[1/3 1/3];
xpolys(x',y',5*ones(2,1));
xstringb(orig(1)+sz(1)/16,orig(2)+2*sz(2)/3+sz(2)/16,arg1.graphics.exprs(1),7*sz(1)/8,sz(2)/3-sz(2)/8,'fill')
xstringb(orig(1)+sz(1)/16,orig(2)+sz(2)/3+sz(2)/16,arg1.graphics.exprs(2),7*sz(1)/8,sz(2)/3-sz(2)/8,'fill')
font=xget('font')
xset('font', options.ID(1)(1), options.ID(1)(2))
xstringb(orig(1)+2*sz(1)/16,orig(2)+sz(2)/16,'S-CLK',sz(1)/2,sz(2)/3-sz(2)/8,'fill')
xx=[0:.01:1];
yy=(1/4-(xx-1/2)^2)^(1/2)+1/2;
x=(orig(1)+5*sz(1)/8)*ones(1,101)+sz(1)/4*xx;
y=(orig(2))*ones(1,101)+sz(2)/3*yy;
xset('thickness',2);
xpolys(x',y',5*ones(101,1));
xx=[1:-.01:.01 0];
yy=-(1/4-(xx-1/2)^2)^(1/2)+1/2;
x=(orig(1)+5*sz(1)/8)*ones(1,101)+sz(1)/4*xx;
y=(orig(2))*ones(1,101)+sz(2)/3*yy;
xpolys(x',y',5*ones(101,1));
xset('thickness',1);
x=(orig(1)+5*sz(1)/8)*ones(1,2)+sz(1)/4*[1/2 1/2];
y=(orig(2))*ones(1,2)+sz(2)/3*[1/2 15/16];
xpolys(x',y',2*ones(2,1));
x=(orig(1)+5*sz(1)/8)*ones(1,2)+sz(1)/4*[1/2 1/2+(3*2^(1/2))/16];
y=(orig(2))*ones(1,2)+sz(2)/3*[1/2 1/2+(3*2^(1/2))/16];
xpolys(x',y',2*ones(2,1));
xset('thickness',thik);
xset('font',font(1),font(2));
xf=40
yf=60
nout=1;
if orient then
out=[-1/14 0
0 -1/7
1/14 0
-1/14 0]*diag([xf,yf])
dy=sz(1)/(nout+1)
xset('pattern',5)
for k=1:nout
xfpoly(out(:,1)+ones(4,1)*(orig(1)+sz(1)-dy*k),..
out(:,2)+ones(4,1)*(orig(2)),5)
end
else
out=[-1/14 0
0 1/7
1/14 0
-1/14 0]*diag([xf,yf])
dy=sz(1)/(nout+1)
xset('pattern',5)
for k=1:nout
xfpoly(out(:,1)+ones(4,1)*(orig(1)+sz(1)-dy*k),..
out(:,2)+ones(4,1)*(orig(2)+sz(2)),5)
end
end
ident = arg1.graphics.id
if ident <> [] & ident <> '' then
font=xget('font')
xset('font', options.ID(1)(1), options.ID(1)(2))
if ~orient then
rectangle = xstringl(orig(1), orig(2), ident) ;
w = max(rectangle(3), sz(1)) ;
h = rectangle(4) * 1.3 ;
xstringb(orig(1) + sz(1) / 2 - w / 2, orig(2) - h , ident , w, h) ;
else
rectangle = xstringl(orig(1), orig(2)+sz(2), ident) ;
w = max(rectangle(3), sz(1)) ;
h = rectangle(4) * 1.3 ;
xstringb(orig(1) + sz(1) / 2 - w / 2, orig(2)+ sz(2) , ident , w, h) ;
end
xset('font', font(1), font(2))
end
x=[];y=[]
case 'getinputs' then
x=[];y=[];typ=[]
case 'getoutputs' then
orig=arg1.graphics.orig;sz=arg1.graphics.sz;
if arg1.graphics.flip then
x=orig(1)+sz(1)/2
y=orig(2)
else
x=orig(1)+sz(1)/2
y=orig(2)+sz(2)
end
typ=-ones(x)
case 'getorigin' then
[x,y]=standard_origin(arg1)
case 'set' then
x=arg1;
graphics=arg1.graphics;
model=arg1.model;
exprs=graphics.exprs
while %t do
[ok,frequ,offset,exprs]=scicos_getvalue('Set block parameters',..
['Sample time';'Offset'],..
list('vec',1,'vec',1),exprs)
if ~ok then break,end
if frequ<0 then message("Frequency must be a positif number");ok=%f;end
if abs(offset) > frequ then
message("The |Offset| must be less than the Frequency");ok=%f
end
if ok then
if or(model.rpar(:)<>[frequ;offset]) then needcompile=4;y=needcompile,end
model.rpar=[frequ;offset]
model.evtout=1
model.firing=-1//compatibility
// aa=max(length(exprs(1)),length(exprs(2)));
// if aa>1 then
// graphics.sz=[10*aa 20]
// else
// graphics.sz=[20 20]
// end
graphics.exprs=exprs
x.graphics=graphics
x.model=model
break
end
end
needcompile=resume(needcompile)
case 'define' then
model=scicos_model()
model.sim='sampleclk'
model.evtout=1
model.rpar=[1,0]
model.blocktype='d'
model.firing=-1
model.dep_ut=[%f %f]
exprs=[sci2exp(1);sci2exp(0)]
x=standard_define([3 2],model,exprs,' ')
// x.graphics.id="S-CLK"
end
endfunction
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