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annotate libui/ui/debug.c @ 154:2252f9efac9a

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ui: remove style from debug_report, closes #2499 While here add an example of usage and rename the function similar to trace.
author David Demelier <markand@malikania.fr>
date Fri, 16 Oct 2020 13:04:48 +0200
parents c577c15df07f
children 13b7a1a4a72c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * debug.c -- debugging interfaces
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3 *
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4 * Copyright (c) 2020 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <assert.h>
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20 #include <stdio.h>
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21
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22 #include <core/texture.h>
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23
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24 #include "debug.h"
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25 #include "theme.h"
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26
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27 struct debug_options debug_options = {
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28 #if !defined(NDEBUG)
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29 .enable = true
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30 #endif
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31 };
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32
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33 void
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34 debug(struct debug_report *report, const char *fmt, ...)
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35 {
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36 assert(report);
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37 assert(fmt);
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38
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39 if (!debug_options.enable)
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40 return;
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41
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42 va_list ap;
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43
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44 va_start(ap, fmt);
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45 vdebug(report, fmt, ap);
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46 va_end(ap);
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47 }
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48
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49 void
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50 vdebug(struct debug_report *report, const char *fmt, va_list ap)
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51 {
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52 assert(report);
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53 assert(fmt);
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54
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55 if (!debug_options.enable)
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56 return;
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57
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58 char line[DEBUG_LINE_MAX];
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59 struct theme *theme;
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60 struct font font;
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61 struct texture tex;
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62 int x, y;
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63
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64 vsnprintf(line, sizeof (line), fmt, ap);
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65
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66 /* Get the font and modify its style. */
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67 theme = report->theme ? report->theme : theme_default();
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69 /* Update font style. */
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70 font_shallow(&font, theme->fonts[THEME_FONT_DEBUG]);
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71 font.style = FONT_STYLE_NONE;
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72 font.color = theme->colors[THEME_COLOR_DEBUG];
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73
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74 if (!font_render(&font, &tex, line))
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75 return;
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76
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77 x = theme->padding;
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78 y = (theme->padding * (report->count + 1)) + (tex.h * (report->count));
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79 report->count++;
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80
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81 texture_draw(&tex, x, y);
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82 texture_finish(&tex);
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83 }