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[official-gcc.git] / gcc / text-art / canvas.h
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1 /* Canvas for random-access procedural text art.
2 Copyright (C) 2023 Free Software Foundation, Inc.
3 Contributed by David Malcolm <dmalcolm@redhat.com>.
5 This file is part of GCC.
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.
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.
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/>. */
21 #ifndef GCC_TEXT_ART_CANVAS_H
22 #define GCC_TEXT_ART_CANVAS_H
24 #include "text-art/types.h"
26 namespace text_art {
28 class canvas;
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.
34 Each text cell can be styled independently (colorization,
35 URLs, etc). */
37 class canvas
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;
46 canvas (size_t size, const style_manager &style_mgr);
48 size_t get_size () const { return m_cells.get_size (); }
50 void paint (coord_t coord, cell_t c);
51 void paint_text (coord_t coord, const styled_string &text);
53 void fill (rect_t rect, cell_t c);
54 void debug_fill ();
56 void print_to_pp (pretty_printer *pp,
57 const char *per_line_prefix = NULL) const;
58 void debug (bool styled) const;
60 const cell_t &get (coord_t coord) const
62 return m_cells.get (coord);
65 private:
66 int get_final_x_in_row (int y) const;
68 array2<cell_t, size_t, coord_t> m_cells;
69 const style_manager &m_style_mgr;
72 } // namespace text_art
74 #endif /* GCC_TEXT_ART_CANVAS_H */