mirror of
https://github.com/rdkit/rdkit.git
synced 2026-06-04 21:54:27 +08:00
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
//
|
|
// 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
|
|
//
|
|
// 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/DrawTextNotFT.h>
|
|
|
|
namespace RDKit {
|
|
namespace MolDraw2D_detail {
|
|
// ****************************************************************************
|
|
|
|
class DrawTextJS : public DrawTextNotFT {
|
|
public:
|
|
DrawTextJS(double max_fnt_sz, double min_fnt_sz, emscripten::val &context);
|
|
DrawTextJS(const DrawTextJS &rhs) = delete;
|
|
DrawTextJS(const DrawTextJS &&rhs) = delete;
|
|
DrawTextJS &operator=(const DrawTextJS &rhs) = delete;
|
|
DrawTextJS &operator=(const DrawTextJS &&rhs) = delete;
|
|
|
|
void drawChar(char c, const Point2D &cds) override;
|
|
|
|
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 MolDraw2D_detail
|
|
} // namespace RDKit
|
|
|
|
#endif // RDKIT_DRAWTEXTSVG_H
|