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/*****
* drawfill.cc
* Andy Hammerlindl 2002/06/06
*
* Stores a cyclic path that will outline a filled shape in a picture.
*****/
#include "drawfill.h"
namespace camp {
void drawAxialShade::palette(psfile *out)
{
pentype.convert();
penb.convert();
colorspace=(ColorSpace) max(pentype.colorspace(),penb.colorspace());
switch(colorspace) {
case RGB:
{
if (pentype.grayscale()) pentype.greytorgb();
else if (penb.grayscale()) penb.greytorgb();
break;
}
case CMYK:
{
if (pentype.grayscale()) pentype.greytocmyk();
else if (penb.grayscale()) penb.greytocmyk();
if (pentype.rgb()) pentype.rgbtocmyk();
else if (penb.rgb()) penb.rgbtocmyk();
break;
}
default:
break;
}
out->gsave();
}
bool drawFill::draw(psfile *out)
{
if(pentype.invisible() || empty()) return true;
palette(out);
writepath(out);
fill(out);
return true;
}
drawElement *drawFill::transformed(const transform& t)
{
return new drawFill(transpath(t),stroke,transpen(t));
}
drawElement *drawLatticeShade::transformed(const transform& t)
{
return new drawLatticeShade(transpath(t),stroke,pentype,pens,t*T);
}
drawElement *drawAxialShade::transformed(const transform& t)
{
pair A=t*a, B=t*b;
return new drawAxialShade(transpath(t),stroke,pentype,A,extenda,penb,B,
extendb);
}
drawElement *drawRadialShade::transformed(const transform& t)
{
pair A=t*a, B=t*b;
double RA=length(t*(a+ra)-A);
double RB=length(t*(b+rb)-B);
return new drawRadialShade(transpath(t),stroke,pentype,A,RA,extenda,penb,B,RB,
extendb);
}
drawElement *drawGouraudShade::transformed(const transform& t)
{
size_t size=vertices.size();
vm::array *Vertices=new vm::array(size);
for(size_t i=0; i < size; i++)
(*Vertices)[i]=t*vm::read<pair>(vertices,i);
return new drawGouraudShade(transpath(t),stroke,pentype,pens,*Vertices,edges);
}
drawElement *drawTensorShade::transformed(const transform& t)
{
size_t size=boundaries.size();
size_t zsize=z.size();
vm::array *Boundaries=new vm::array(size);
vm::array *Z=new vm::array(zsize);
for(size_t i=0; i < size; i++)
(*Boundaries)[i]=vm::read<path>(boundaries,i).transformed(t);
for(size_t i=0; i < zsize; i++) {
vm::array *zi=vm::read<vm::array *>(z,i);
size_t zisize=checkArray(zi);
vm::array *Zi=new vm::array(zisize);
(*Z)[i]=Zi;
for(size_t j=0; j < zisize; j++)
(*Zi)[j]=t*vm::read<pair>(zi,j);
}
return new drawTensorShade(transpath(t),stroke,pentype,pens,*Boundaries,*Z);
}
bool drawFunctionShade::write(texfile *out, const bbox& box)
{
if(empty()) return true;
ColorSpace colorspace=pentype.colorspace();
size_t ncomponents=ColorComponents[colorspace];
out->verbatim("\\pdfobj stream attr {/FunctionType 4");
out->verbatim("/Domain [0 1 0 1]");
out->verbatim("/Range [");
for(size_t i=0; i < ncomponents; ++i)
out->verbatim("0 1 ");
out->verbatim("]}{{");
out->verbatimline(shader);
out->verbatimline("}}%");
out->verbatimline("\\edef\\lastobj{\\the\\pdflastobj}\\pdfrefobj\\lastobj");
out->verbatim("\\setbox\\ASYbox=\\hbox to ");
double Hoffset=out->hoffset();
double hoffset=(bpath.Max().getx()-Hoffset)*ps2tex;
out->write(hoffset);
out->verbatim("pt {");
out->verbatim("\\vbox to ");
out->write((box.top-box.bottom)*ps2tex);
out->verbatimline("pt {\\vfil%");
out->gsave();
out->beginspecial();
out->beginraw();
writeshiftedpath(out);
if(stroke) strokepath(out);
out->endclip(pentype);
out->verbatimline("/Sh sh");
out->endraw();
out->endspecial();
out->grestore();
out->verbatimline("}\\hfil}%");
out->verbatimline("\\pdfxform resources {");
out->verbatimline("/Shading << /Sh << /ShadingType 1");
out->verbatim("/Matrix [");
out->write(shift(pair(-Hoffset,-box.bottom))*matrix(bpath.Min(),bpath.Max()));
out->verbatimline("]");
out->verbatim("/Domain [0 1 0 1]");
out->verbatim("/ColorSpace /Device");
out->verbatimline(ColorDeviceSuffix[colorspace]);
out->verbatimline("/Function \\lastobj\\space 0 R >> >>}\\ASYbox");
out->verbatimline("\\pdfrefxform\\the\\pdflastxform");
out->verbatim("\\kern");
out->write(-hoffset);
out->verbatimline("pt%");
return true;
}
drawElement *drawFunctionShade::transformed(const transform& t)
{
return new drawFunctionShade(transpath(t),stroke,pentype,shader);
}
} // namespace camp
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