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authorKarl Berry <karl@freefriends.org>2010-04-19 23:59:33 +0000
committerKarl Berry <karl@freefriends.org>2010-04-19 23:59:33 +0000
commitdddce3148a2bc785603576b18ffcf72d39adbe47 (patch)
tree14f4c79ef11bcf0820a8d4ff2ab0c5ac009c365c /Build/source/utils/asymptote/texfile.cc
parenta01e51b01f5819b6091af48cdca581e9f2a9282e (diff)
asy 1.93
git-svn-id: svn://tug.org/texlive/trunk@17934 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/asymptote/texfile.cc')
-rw-r--r--Build/source/utils/asymptote/texfile.cc447
1 files changed, 437 insertions, 10 deletions
diff --git a/Build/source/utils/asymptote/texfile.cc b/Build/source/utils/asymptote/texfile.cc
index 075826d5ca8..15410d569cd 100644
--- a/Build/source/utils/asymptote/texfile.cc
+++ b/Build/source/utils/asymptote/texfile.cc
@@ -13,6 +13,8 @@
using std::ofstream;
using settings::getSetting;
+using vm::array;
+using vm::read;
namespace camp {
@@ -48,12 +50,12 @@ void texfile::miniprologue()
<< "\\textheight=2048pt" << newl
<< "\\textwidth=2048pt" << newl
<< "\\begin{document}" << newl;
+ latexfontencoding(*out);
} else if(settings::context(texengine)) {
*out << "\\setuppagenumbering[location=]" << newl
<< "\\usetypescript[modern]" << newl
<< "\\starttext\\hbox{%" << newl;
}
- texfontencoding(*out);
}
void texfile::prologue()
@@ -82,16 +84,13 @@ void texfile::prologue()
if(height < 12.0) voffset=height-12.0;
} else if(height < 10.0) voffset=height-10.0;
- // Work around an apparent xelatex dimension bug
- double xelatexBug=ps2tex;
-
if(width > 0)
*out << "\\pdfpagewidth=" << width << "bp" << newl;
*out << "\\ifx\\pdfhorigin\\undefined" << newl
<< "\\hoffset=-1in" << newl
- << "\\voffset=" << voffset-72.0*xelatexBug << "bp" << newl;
+ << "\\voffset=" << voffset-72.0 << "bp" << newl;
if(height > 0)
- *out << "\\pdfpageheight=" << height*0.5*(1.0+xelatexBug) << "bp"
+ *out << "\\pdfpageheight=" << height << "bp"
<< newl;
*out << "\\else" << newl
<< "\\pdfhorigin=0bp" << newl
@@ -114,6 +113,7 @@ void texfile::prologue()
<< "\\topmargin=-37.01pt" << newl;
*out << "\\begin{document}" << newl;
}
+ latexfontencoding(*out);
} else {
if(!inlinetex) {
if(settings::context(texengine)) {
@@ -135,6 +135,7 @@ void texfile::prologue()
}
}
}
+ beginpage();
}
void texfile::beginlayer(const string& psname, bool postscript)
@@ -144,11 +145,15 @@ void texfile::beginlayer(const string& psname, bool postscript)
if(settings::context(texengine))
*out << "\\externalfigure[" << psname << "]%" << newl;
else {
- *out << "\\includegraphics";
- if(!settings::pdf(texengine))
+ *out << "{\\catcode`\"=12%" << newl
+ << "\\includegraphics";
+ bool pdf=settings::pdf(texengine);
+ if(!pdf)
*out << "[bb=" << box.left << " " << box.bottom << " "
<< box.right << " " << box.top << "]";
- *out << "{" << psname << "}%" << newl;
+ if(pdf) *out << "{\"" << stripExt(psname) << "\".pdf}%" << newl;
+ else *out << "{\"" << psname << "\"}%" << newl;
+ *out << "}%" << newl;
}
if(!inlinetex)
*out << "\\kern " << (box.left-box.right)*ps2tex << "pt%" << newl;
@@ -204,7 +209,7 @@ void texfile::setfont(pen p)
if(latex) setlatexfont(*out,p,lastpen);
settexfont(*out,p,lastpen,latex);
- lastpen=p;
+ lastpen.setfont(p);
}
void texfile::setpen(pen p)
@@ -220,6 +225,30 @@ void texfile::setpen(pen p)
setfont(p);
}
+void texfile::beginpicture(const bbox& b)
+{
+ verbatim(settings::beginpicture(texengine));
+ if(!settings::context(texengine)) {
+ verbatim("(");
+ double width=b.right-b.left;
+ double height=b.top-b.bottom;
+ write(width*ps2tex);
+ verbatim(",");
+ write(height*ps2tex);
+ verbatim(")");
+ }
+ verbatimline("%");
+}
+
+void texfile::endpicture(const bbox& b)
+{
+ verbatimline(settings::endpicture(texengine));
+ verbatim("\\kern");
+ double width=b.right-b.left;
+ write(-width*ps2tex);
+ verbatimline("pt%");
+}
+
void texfile::gsave()
{
*out << settings::beginspecial(texengine);
@@ -278,6 +307,7 @@ void texfile::put(const string& label, const transform& T, const pair& z,
void texfile::epilogue(bool pipe)
{
+ endpage();
if(settings::latex(texengine))
*out << "\\end{document}" << newl;
else if(settings::context(texengine))
@@ -287,4 +317,401 @@ void texfile::epilogue(bool pipe)
out->flush();
}
+string svgtexfile::nl="{?nl}%\n";
+
+void svgtexfile::beginspecial()
+{
+ inspecial=true;
+ out->unsetf(std::ios::fixed);
+ *out << "\\catcode`\\#=11%" << newl
+ << "\\special{dvisvgm:raw" << nl;
+}
+
+void svgtexfile::endspecial()
+{
+ inspecial=false;
+ *out << "}\\catcode`\\#=6%" << newl;
+ out->setf(std::ios::fixed);
+}
+
+void svgtexfile::begintransform()
+{
+ *out << "<g transform='matrix(1 0 0 1 "
+ << (-Hoffset+1.99*settings::cm)*ps2tex << " "
+ << (1.9*settings::cm+box.top)*ps2tex
+ << ")'>" << nl;
+}
+
+void svgtexfile::endtransform()
+{
+ *out << "</g>";
+}
+
+void svgtexfile::gsave(bool tex)
+{
+ if(clipstack.size() < 1)
+ clipstack.push(0);
+ else
+ clipstack.push(clipcount);
+ *out << "\\special{dvisvgm:raw <g>}%" << newl;
+ pens.push(lastpen);
+}
+
+void svgtexfile::grestore(bool tex)
+{
+ if(pens.size() < 1 || clipstack.size() < 1)
+ reportError("grestore without matching gsave");
+ lastpen=pens.top();
+ pens.pop();
+ clipstack.pop();
+ *out << "\\special{dvisvgm:raw </g>}%" << newl;
+}
+
+void svgtexfile::clippath()
+{
+ if(clipstack.size() > 0) {
+ size_t count=clipstack.top();
+ if(count > 0)
+ *out << "clip-path='url(#clip" << count << ")' ";
+ }
+}
+
+void svgtexfile::beginpath()
+{
+ *out << "<path ";
+ clippath();
+ *out << "d='";
+}
+
+void svgtexfile::endpath()
+{
+ *out << "/>" << nl;
+}
+
+void svgtexfile::dot(path p, pen q, bool newPath)
+{
+ beginspecial();
+ begintransform();
+ *out << "<circle ";
+ clippath();
+ pair z=p.point((Int) 0);
+ *out << "cx='" << z.getx()*ps2tex
+ << "' cy='" << -z.gety()*ps2tex
+ << "' r='" << 0.5*q.width()*ps2tex;
+}
+
+void svgtexfile::beginclip()
+{
+ beginspecial();
+ begintransform();
+ *out << "<clipPath ";
+ clippath();
+ ++clipcount;
+ *out << "id='clip" << clipcount << "'>" << nl;
+ beginpath();
+ if(clipstack.size() >= 0)
+ clipstack.pop();
+ clipstack.push(clipcount);
+}
+
+void svgtexfile::endclip0(const pen &p)
+{
+ *out << "'";
+ fillrule(p,"clip");
+ endpath();
+ *out << "</clipPath>" << nl;
+}
+
+void svgtexfile::endclip(const pen &p)
+{
+ endclip0(p);
+ endtransform();
+ endspecial();
+}
+
+void svgtexfile::fillrule(const pen& p, const string& type)
+{
+ if(p.Fillrule() != lastpen.Fillrule())
+ *out << " " << type << "-rule='" <<
+ (p.evenodd() ? "evenodd" : "nonzero") << "'";
+ lastpen.setfillrule(p);
+}
+
+void svgtexfile::color(const pen &p, const string& type)
+{
+ *out << "' " << type << "='#" << rgbhex(p) << "'";
+ double opacity=p.opacity();
+ if(opacity != 1.0)
+ *out << " opacity='" << opacity << "'";
+}
+
+void svgtexfile::fill(const pen &p)
+{
+ color(p,"fill");
+ fillrule(p);
+ endpath();
+ endtransform();
+ endspecial();
+}
+
+void svgtexfile::properties(const pen& p)
+{
+ if(p.cap() != lastpen.cap())
+ *out << " stroke-linecap='" << PSCap[p.cap()] << "'";
+
+ if(p.join() != lastpen.join())
+ *out << " stroke-linejoin='" << Join[p.join()] << "'";
+
+ if(p.miter() != lastpen.miter())
+ *out << " stroke-miterlimit='" << p.miter()*ps2tex << "'";
+
+ if(p.width() != lastpen.width())
+ *out << " stroke-width='" << p.width()*ps2tex << "'";
+
+ const LineType *linetype=p.linetype();
+ const LineType *lastlinetype=lastpen.linetype();
+
+ if(!(linetype->pattern == lastlinetype->pattern)) {
+ size_t n=linetype->pattern.size();
+ if(n > 0) {
+ *out << " stroke-dasharray='";
+ *out << vm::read<double>(linetype->pattern,0)*ps2tex;
+ for(size_t i=1; i < n; ++i)
+ *out << "," << vm::read<double>(linetype->pattern,i)*ps2tex;
+ *out << "'";
+ }
+ }
+
+ if(linetype->offset != lastlinetype->offset)
+ *out << " stroke-dashoffset='" << linetype->offset*ps2tex << "'";
+
+ lastpen=p;
+}
+
+void svgtexfile::stroke(const pen &p, bool dot)
+{
+ if(dot)
+ color(p,"fill");
+ else {
+ color(p,"fill='none' stroke");
+ properties(p);
+ }
+ endpath();
+ endtransform();
+ endspecial();
+}
+
+void svgtexfile::strokepath()
+{
+ reportWarning("SVG does not support strokepath");
+}
+
+void svgtexfile::begingradientshade(bool axial, ColorSpace colorspace,
+ const pen& pena, const pair& a, double ra,
+ const pen& penb, const pair& b, double rb)
+{
+ string type=axial ? "linear" : "radial";
+ beginspecial();
+ *out << "<" << type << "Gradient id='grad" << gradientcount;
+ if(axial) {
+ *out << "' x1='" << a.getx()*ps2tex << "' y1='" << -a.gety()*ps2tex
+ << "' x2='" << b.getx()*ps2tex << "' y2='" << -b.gety()*ps2tex;
+ } else {
+ *out << "' cx='" << b.getx()*ps2tex << "' cy='" << -b.gety()*ps2tex
+ << "' r='" << rb*ps2tex;
+ }
+ *out <<"' gradientUnits='userSpaceOnUse'>" << nl
+ << "<stop offset='0' stop-color='#" << rgbhex(pena) << "'/>" << nl
+ << "<stop offset='1' stop-color='#" << rgbhex(penb) << "'/>" << nl
+ << "</" << type << "Gradient>" << nl;
+ begintransform();
+ beginpath();
+}
+
+void svgtexfile::gradientshade(bool axial, ColorSpace colorspace,
+ const pen& pena, const pair& a, double ra,
+ const pen& penb, const pair& b, double rb)
+{
+ *out << "' fill='url(#grad" << gradientcount << ")'";
+ fillrule(pena);
+ endpath();
+ ++gradientcount;
+ endtransform();
+ endspecial();
+}
+
+// Return the point on the line through p and q that is closest to z.
+pair closest(pair p, pair q, pair z)
+{
+ pair u=q-p;
+ double denom=dot(u,u);
+ return denom == 0.0 ? p : p+dot(z-p,u)/denom*u;
+}
+
+void svgtexfile::gouraudshade(const pen& p0, const pair& z0,
+ const pen& p1, const pair& z1,
+ const pen& p2, const pair& z2)
+{
+ string hex[]={rgbhex(p0),rgbhex(p1),rgbhex(p2)};
+ pair Z[]={z0,z1,z2};
+
+ *out << "<defs>" << nl
+ << "<filter id='colorAdd'>" << nl
+ << "<feBlend in='SourceGraphic' in2='BackgroundImage'/>" << nl
+ << "</filter>";
+
+ for(size_t k=0; k < 3; ++k) {
+ pair z=Z[k];
+ pair opp=closest(Z[(k+1) % 3],Z[(k+2) % 3],z);
+ *out << "<linearGradient id='grad-" << gouraudcount << "-" << k
+ << "' gradientUnits='userSpaceOnUse'" << nl
+ << " x1='" << z.getx()*ps2tex << "' y1='" << -z.gety()*ps2tex
+ << "' x2='" << opp.getx()*ps2tex << "' y2='" << -opp.gety()*ps2tex
+ << "'>" << nl
+ << "<stop offset='0' stop-color='#" << hex[k]
+ << "' stop-opacity='1'/>" << nl
+ << "<stop offset='1' stop-color='#" << hex[k]
+ << "' stop-opacity='0'/>" << nl
+ << "</linearGradient>" << nl;
+ }
+ *out << "<polygon ";
+ clippath();
+ *out << "id='triangle" << gouraudcount << "' points='"
+ << z0.getx()*ps2tex << "," << -z0.gety()*ps2tex << " "
+ << z1.getx()*ps2tex << "," << -z1.gety()*ps2tex << " "
+ << z2.getx()*ps2tex << "," << -z2.gety()*ps2tex << "'/>" << nl
+ << "</defs>" << nl;
+ *out << "<use xlink:href='#triangle" << gouraudcount
+ << "' fill='url(#grad-" << gouraudcount << "-"
+ << "0)'/>" << nl
+ << "<use xlink:href='#triangle" << gouraudcount
+ << "' fill='url(#grad-" << gouraudcount << "-"
+ << "1)' filter='url(#colorAdd)'/>" << nl
+ << "<use xlink:href='#triangle" << gouraudcount
+ << "' fill='url(#grad-" << gouraudcount << "-"
+ << "2)' filter='url(#colorAdd)'/>" << nl;
+ ++gouraudcount;
+}
+
+void svgtexfile::begingouraudshade(const vm::array& pens,
+ const vm::array& vertices,
+ const vm::array& edges)
+{
+ size_t size=pens.size();
+ if(size == 0) return;
+ beginclip();
+}
+
+void svgtexfile::gouraudshade(const pen& pentype,
+ const array& pens, const array& vertices,
+ const array& edges)
+{
+ size_t size=pens.size();
+ if(size == 0) return;
+
+ endclip0(pentype);
+
+ pen *p0=NULL,*p1=NULL,*p2=NULL;
+ pair z0,z1,z2;
+
+ for(size_t i=0; i < size; i++) {
+ Int edge=read<Int>(edges,i);
+
+ switch(edge) {
+ case 0:
+ p0=read<pen *>(pens,i);
+ z0=read<pair>(vertices,i);
+ ++i;
+ if(i < size) {
+ p1=read<pen *>(pens,i);
+ z1=read<pair>(vertices,i);
+ ++i;
+ if(i < size) {
+ p2=read<pen *>(pens,i);
+ z2=read<pair>(vertices,i);
+ }
+ }
+ break;
+ case 1:
+ p0=read<pen *>(pens,i);
+ z0=read<pair>(vertices,i);
+ break;
+ case 2:
+ p1=read<pen *>(pens,i);
+ z1=read<pair>(vertices,i);
+ break;
+ default:
+ break;
+ }
+ if(p0 == NULL || p1 == NULL || p2 == NULL)
+ reportError("invalid edge flag");
+ gouraudshade(*p0,z0,*p1,z1,*p2,z2);
+ }
+ endtransform();
+ endspecial();
+}
+
+void svgtexfile::begintensorshade(const vm::array& pens,
+ const vm::array& boundaries,
+ const vm::array& z)
+{
+ beginspecial();
+ *out << "<defs>" << nl;
+
+ path g=read<path>(boundaries,0);
+ pair Z[]={g.point((Int) 0),g.point((Int) 3),g.point((Int) 2),
+ g.point((Int) 1)};
+
+ array *pi=read<array *>(pens,0);
+ if(checkArray(pi) != 4)
+ reportError("specify 4 pens for each path");
+ string hex[]={rgbhex(read<pen>(pi,0)),rgbhex(read<pen>(pi,3)),
+ rgbhex(read<pen>(pi,2)),rgbhex(read<pen>(pi,1))};
+
+ *out << "<filter id='colorAdd'>" << nl
+ << "<feBlend in='SourceGraphic' in2='BackgroundImage'/>" << nl
+ << "</filter>";
+
+ pair mean=0.25*(Z[0]+Z[1]+Z[2]+Z[3]);
+ for(size_t k=0; k < 4; ++k) {
+ pair opp=(k % 2 == 0) ? Z[(k+2) % 4] : mean;
+ *out << "<linearGradient id='grad" << tensorcount << "-" << k
+ << "' gradientUnits='userSpaceOnUse'" << nl
+ << " x1='" << Z[k].getx()*ps2tex << "' y1='" << -Z[k].gety()*ps2tex
+ << "' x2='" << opp.getx()*ps2tex << "' y2='" << -opp.gety()*ps2tex
+ << "'>" << nl
+ << "<stop offset='0' stop-color='#" << hex[k]
+ << "' stop-opacity='1'/>" << nl
+ << "<stop offset='1' stop-color='#" << hex[k]
+ << "' stop-opacity='0'/>" << nl
+ << "</linearGradient>" << nl;
+ }
+ beginpath();
+}
+
+void svgtexfile::tensorshade(const pen& pentype, const vm::array& pens,
+ const vm::array& boundaries, const vm::array& z)
+{
+ *out << "' id='path" << tensorcount << "'";
+ fillrule(pentype);
+ endpath();
+ *out << "</defs></g>" << nl;
+ begintransform();
+ *out << "<use xlink:href='#path" << tensorcount
+ << "' fill='url(#grad" << tensorcount << "-"
+ << "0)'/>" << nl
+ << "<use xlink:href='#path" << tensorcount
+ << "' fill='url(#grad" << tensorcount << "-"
+ << "2)' filter='url(#colorAdd)'/>" << nl
+ << "<use xlink:href='#path" << tensorcount
+ << "' fill='url(#grad" << tensorcount << "-"
+ << "1)' filter='url(#colorAdd)'/>" << nl
+ << "<use xlink:href='#path" << tensorcount
+ << "' fill='url(#grad" << tensorcount << "-"
+ << "3)' filter='url(#colorAdd)'/>" << nl;
+
+ ++tensorcount;
+ endspecial();
+}
+
} //namespace camp