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//
// Copyright (C) 2020-2022 Greg Landrum and other RDKit contributors
//
// @@ 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: Greg Landrum
//
#ifdef __EMSCRIPTEN__
#include <GraphMol/MolDraw2D/DrawTextFT.h>
#include <GraphMol/MolDraw2D/DrawTextFTJS.h>
namespace RDKit {
std::string DrawColourToSVG(const RDKit::DrawColour &col);
namespace MolDraw2D_detail {
// ****************************************************************************
DrawTextFTJS::DrawTextFTJS(double max_fnt_sz, double min_fnt_sz,
const std::string &font_file,
emscripten::val &context)
: DrawTextFT(max_fnt_sz, min_fnt_sz, font_file), context_(context) {}
// ****************************************************************************
double DrawTextFTJS::extractOutline() {
std::string col = DrawColourToSVG(colour());
context_.call<void>("beginPath");
context_.set("fillStyle", col);
double adv = DrawTextFT::extractOutline();
context_.call<void>("fill");
return adv;
}
// ****************************************************************************
int DrawTextFTJS::MoveToFunctionImpl(const FT_Vector *to) {
double dx, dy;
fontPosToDrawPos(to->x, to->y, dx, dy);
context_.call<void>("moveTo", dx, dy);
return 0;
}
// ****************************************************************************
int DrawTextFTJS::LineToFunctionImpl(const FT_Vector *to) {
double dx, dy;
fontPosToDrawPos(to->x, to->y, dx, dy);
context_.call<void>("lineTo", dx, dy);
return 0;
}
// ****************************************************************************
int DrawTextFTJS::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);
context_.call<void>("quadraticCurveTo", controlX, controlY, dx, dy);
return 0;
}
// ****************************************************************************
int DrawTextFTJS::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);
context_.call<void>("bezierCurveTo", controlOneX, controlOneY, controlTwoX,
controlTwoY, dx, dy);
return 0;
}
} // namespace MolDraw2D_detail
} // namespace RDKit
#endif // __EMSCRIPTEN__
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