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1 | /* Canvas for random-access procedural text art. | |
2 | Copyright (C) 2023-2024 Free Software Foundation, Inc. | |
3 | Contributed by David Malcolm <dmalcolm@redhat.com>. | |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GCC; see the file COPYING3. If not see | |
19 | <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #ifndef GCC_TEXT_ART_CANVAS_H | |
22 | #define GCC_TEXT_ART_CANVAS_H | |
23 | ||
24 | #include "text-art/types.h" | |
25 | ||
26 | namespace text_art { | |
27 | ||
28 | class canvas; | |
29 | ||
30 | /* A 2 dimensional grid of text cells (a "canvas"), which | |
31 | can be written to ("painted") via random access, and then | |
32 | written out to a pretty_printer once the picture is complete. | |
33 | ||
34 | Each text cell can be styled independently (colorization, | |
35 | URLs, etc). */ | |
36 | ||
37 | class canvas | |
38 | { | |
39 | public: | |
40 | typedef styled_unichar cell_t; | |
41 | typedef size<class canvas> size_t; | |
42 | typedef coord<class canvas> coord_t; | |
43 | typedef range<class canvas> range_t; | |
44 | typedef rect<class canvas> rect_t; | |
45 | ||
46 | canvas (size_t size, const style_manager &style_mgr); | |
47 | ||
48 | size_t get_size () const { return m_cells.get_size (); } | |
49 | ||
50 | void paint (coord_t coord, cell_t c); | |
51 | void paint_text (coord_t coord, const styled_string &text); | |
52 | ||
53 | void fill (rect_t rect, cell_t c); | |
54 | void debug_fill (); | |
55 | ||
56 | void print_to_pp (pretty_printer *pp, | |
57 | const char *per_line_prefix = NULL) const; | |
58 | void debug (bool styled) const; | |
59 | ||
60 | const cell_t &get (coord_t coord) const | |
61 | { | |
62 | return m_cells.get (coord); | |
63 | } | |
64 | ||
65 | private: | |
66 | int get_final_x_in_row (int y) const; | |
67 | ||
68 | array2<cell_t, size_t, coord_t> m_cells; | |
69 | const style_manager &m_style_mgr; | |
70 | }; | |
71 | ||
72 | } // namespace text_art | |
73 | ||
74 | #endif /* GCC_TEXT_ART_CANVAS_H */ |