Files
rdkit/Code/GraphMol/MolDraw2D/DrawTextFTSVG.cpp
2020-10-04 06:03:43 +02:00

95 lines
2.9 KiB
C++

//
// @@ All Rights Reserved @@
// This file is part of the RDKit.
// The contents are covered by the terms of the BSD license
// which is included in the file license.txt, found at the root
// of the RDKit source tree.
//
// Original author: David Cosgrove (CozChemIx) on 08/05/2020.
//
#include <GraphMol/MolDraw2D/DrawTextFTSVG.h>
namespace RDKit {
std::string DrawColourToSVG(const RDKit::DrawColour &col);
// ****************************************************************************
DrawTextFTSVG::DrawTextFTSVG(double max_fnt_sz, double min_fnt_sz,
const std::string &font_file, std::ostream &oss,
std::string &d_act_class)
: DrawTextFT(max_fnt_sz, min_fnt_sz, font_file),
oss_(oss),
d_active_class_(d_act_class) {}
// ****************************************************************************
double DrawTextFTSVG::extractOutline() {
std::string col = DrawColourToSVG(colour());
oss_ << "<path ";
if (!d_active_class_.empty()) {
oss_ << " class='" << d_active_class_ << "'"
<< " d='";
} else {
oss_ << " d='";
}
double adv = DrawTextFT::extractOutline();
oss_ << "' fill='" << col << "'/>" << std::endl;
return adv;
}
// ****************************************************************************
int DrawTextFTSVG::MoveToFunctionImpl(const FT_Vector *to) {
double dx, dy;
fontPosToDrawPos(to->x, to->y, dx, dy);
oss_ << "M " << dx << ' ' << dy << std::endl;
return 0;
}
// ****************************************************************************
int DrawTextFTSVG::LineToFunctionImpl(const FT_Vector *to) {
double dx, dy;
fontPosToDrawPos(to->x, to->y, dx, dy);
oss_ << "L " << dx << ' ' << dy << std::endl;
return 0;
}
// ****************************************************************************
int DrawTextFTSVG::ConicToFunctionImpl(const FT_Vector *control,
const FT_Vector *to) {
double controlX, controlY;
fontPosToDrawPos(control->x, control->y, controlX, controlY);
double dx, dy;
fontPosToDrawPos(to->x, to->y, dx, dy);
oss_ << "Q " << controlX << ' ' << controlY << ", " << dx << ' ' << dy
<< std::endl;
return 0;
}
// ****************************************************************************
int DrawTextFTSVG::CubicToFunctionImpl(const FT_Vector *controlOne,
const FT_Vector *controlTwo,
const FT_Vector *to) {
double controlOneX, controlOneY;
fontPosToDrawPos(controlOne->x, controlOne->y, controlOneX, controlOneY);
double controlTwoX, controlTwoY;
fontPosToDrawPos(controlTwo->x, controlTwo->y, controlTwoX, controlTwoY);
double dx, dy;
fontPosToDrawPos(to->x, to->y, dx, dy);
oss_ << "C " << controlOneX << ' ' << controlOneY << ", " << controlTwoX
<< ' ' << controlTwoY << ", " << dx << ' ' << dy << std::endl;
return 0;
}
} // namespace RDKit