DrawTextJS.h
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//
// @@ 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
//
// A concrete class derived from DrawText that uses the JS Canvas
// to draw text onto a picture.
// Requires emscripten
#ifndef RDKIT_DRAWTEXTJS_H
#define RDKIT_DRAWTEXTJS_H
#include <iosfwd>
#include <emscripten.h>
#include <emscripten/val.h>
#include <GraphMol/MolDraw2D/DrawText.h>
namespace RDKit {
// ****************************************************************************
class DrawTextJS : public DrawText {
public:
DrawTextJS(double max_fnt_sz, double min_fnt_sz, emscripten::val &context);
void drawChar(char c, const Point2D &cds) override;
private:
emscripten::val &context_;
// fills a vector of StringRects, one for each char in text, with
// super- and subscripts taken into account. Sizes in pixel coords,
// i.e. scaled by fontScale().
void getStringRects(const std::string &text,
std::vector<std::shared_ptr<StringRect>> &rects,
std::vector<TextDrawType> &draw_modes,
std::vector<char> &draw_chars) const override;
};
} // namespace RDKit
#endif // RDKIT_DRAWTEXTSVG_H
DrawText.h
RDGeom::Point2D
Definition: point.h:272
RDKit::DrawTextJS
Definition: DrawTextJS.h:27
RDKit::DrawTextJS::DrawTextJS
DrawTextJS(double max_fnt_sz, double min_fnt_sz, emscripten::val &context)
RDKit::DrawTextJS::drawChar
void drawChar(char c, const Point2D &cds) override
RDKit::DrawText
Definition: DrawText.h:38
RDKit
Std stuff.
Definition: Abbreviations.h:18