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annotate libmlk-ui/mlk/ui/debug.c @ 508:7f7602bae0bd

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examples: minor touches
author David Demelier <markand@malikania.fr>
date Fri, 03 Mar 2023 19:45:00 +0100
parents d49a05e7a5b5
children 6e8f6640e05b
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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) 2020-2023 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 <mlk/core/texture.h>
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23
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24 #include "debug.h"
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25 #include "ui.h"
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26
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27 struct mlk_debug_options mlk_debug_options = {
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28 #if !defined(NDEBUG)
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29 .enable = 1
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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 mlk_debugf(struct mlk_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 (!mlk_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 mlk_debugva(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 mlk_debugva(struct mlk_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 char line[MLK_DEBUG_LINE_MAX];
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56 struct mlk_font *font;
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57 struct mlk_texture tex;
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58 int x, y;
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60 if (!mlk_debug_options.enable)
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61 return;
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62
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63 vsnprintf(line, sizeof (line), fmt, ap);
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65 // TODO: add style support.
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66 font = mlk_ui_fonts[MLK_UI_FONT_INTERFACE];
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68 if (mlk_font_render(font, &tex, line, MLK_UI_COLOR_DEBUG) < 0)
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69 return;
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71 // TODO: same here.
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72 x = 10;
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73 y = (10 * (report->count + 1)) + (tex.h * (report->count));
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74 report->count++;
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76 mlk_texture_draw(&tex, x, y);
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77 mlk_texture_finish(&tex);
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78 }