1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
//
// 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
|
