RDKit
Open-source cheminformatics and machine learning.
DrawTextJS.h
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1//
2// Copyright (C) 2020-2022 Greg Landrum and other RDKit contributors
3//
4// @@ All Rights Reserved @@
5// This file is part of the RDKit.
6// The contents are covered by the terms of the BSD license
7// which is included in the file license.txt, found at the root
8// of the RDKit source tree.
9//
10// Original author: Greg Landrum
11//
12// A concrete class derived from DrawText that uses the JS Canvas
13// to draw text onto a picture.
14// Requires emscripten
15
16#ifndef RDKIT_DRAWTEXTJS_H
17#define RDKIT_DRAWTEXTJS_H
18
19#include <iosfwd>
20
21#include <emscripten.h>
22#include <emscripten/val.h>
24
25namespace RDKit {
26namespace MolDraw2D_detail {
27// ****************************************************************************
28
29class DrawTextJS : public DrawTextNotFT {
30
31 public:
32 DrawTextJS(double max_fnt_sz, double min_fnt_sz, emscripten::val &context);
33 DrawTextJS(const DrawTextJS &rhs) = delete;
34 DrawTextJS(const DrawTextJS &&rhs) = delete;
35 DrawTextJS &operator=(const DrawTextJS &rhs) = delete;
36 DrawTextJS &operator=(const DrawTextJS &&rhs) = delete;
37
38 void drawChar(char c, const Point2D &cds) override;
39
40 emscripten::val &context_;
41
42 // fills a vector of StringRects, one for each char in text, with
43 // super- and subscripts taken into account. Sizes in pixel coords,
44 // i.e. scaled by fontScale().
45 void getStringRects(const std::string &text,
46 std::vector<std::shared_ptr<StringRect>> &rects,
47 std::vector<TextDrawType> &draw_modes,
48 std::vector<char> &draw_chars) const override;
49};
50
51} // namespace MolDraw2D_detail
52} // namespace RDKit
53
54#endif // RDKIT_DRAWTEXTSVG_H
DrawTextJS(double max_fnt_sz, double min_fnt_sz, emscripten::val &context)
DrawTextJS(const DrawTextJS &&rhs)=delete
void drawChar(char c, const Point2D &cds) override
DrawTextJS(const DrawTextJS &rhs)=delete
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
DrawTextJS & operator=(const DrawTextJS &&rhs)=delete
DrawTextJS & operator=(const DrawTextJS &rhs)=delete
Std stuff.
Definition: Abbreviations.h:19