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annotate include/mb_animate.h @ 934:5dedeedf0408

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Change page of "How to Defaine a Backend"
author Thinker K.F. Li <thinker@codemud.net>
date Thu, 11 Nov 2010 00:56:51 +0800
parents 586e50f82c1f
children 9b5d4839c5bb
rev   line source
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
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2 // vim: sw=4:ts=8:sts=4
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3 #ifndef __ANIMATE_H_
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4 #define __ANIMATE_H_
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5
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6 #include "mb_types.h"
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7 #include "mb_timer.h"
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8 #include "mb_paint.h"
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9
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10 /*! \page def_action How to Define An Action?
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11 *
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12 * A action must implement following 4 functions.
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13 * \li start,
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14 * \li step,
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15 * \li stop,
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16 * \li free,
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17 * \li *_new(), and
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18 * \li add *_new() to \ref animate.h .
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19 *
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20 * *_new() must invokes mb_word_add_action() to add new object
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21 * as one of actions in the word specified as an argument of it.
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22 * It also means *_new() must have an argument with type of
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23 * (mb_word_t *).
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24 */
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25
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26 /*! \defgroup anim Animation
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27 * \brief Animation is a set of functions to make graph moving.
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28 * @{
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29 */
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30 typedef struct _mb_progm mb_progm_t;
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31 typedef struct _mb_word mb_word_t;
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32 typedef struct _mb_action mb_action_t;
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33
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34 struct _mb_progm_complete {
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35 event_t event;
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36 mb_progm_t *progm;
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37 };
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38 typedef struct _mb_progm_complete mb_progm_complete_t;
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39
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40 extern mb_progm_t *mb_progm_new(int max_words, redraw_man_t *rdman);
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41 extern void mb_progm_free(mb_progm_t *progm);
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42 extern mb_word_t *mb_progm_next_word(mb_progm_t *progm,
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43 const mb_timeval_t *start,
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44 const mb_timeval_t *playing);
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45 extern void mb_progm_start(mb_progm_t *progm, mb_tman_t *tman,
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46 mb_timeval_t *now);
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47 extern void mb_progm_abort(mb_progm_t *progm);
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48 extern subject_t *mb_progm_get_complete(mb_progm_t *progm);
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49 extern void mb_progm_free_completed(mb_progm_t *progm);
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50
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51 /*! \defgroup ani_actions Animation Actions
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52 * @{
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53 */
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54 extern mb_action_t *mb_shift_new(co_aix x, co_aix y, coord_t *coord,
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55 mb_word_t *word);
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56 extern mb_action_t *mb_chgcolor_new(co_comp_t r, co_comp_t g,
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57 co_comp_t b, co_comp_t a,
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58 paint_t *paint, mb_word_t *word);
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59 extern mb_action_t *mb_rotate_new(float angle1, float angle2,
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60 coord_t *coord, mb_word_t *word);
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61 extern mb_action_t *mb_subtree_free_new(coord_t *coord,
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62 mb_word_t *word);
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63
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64 enum { VIS_VISIBLE, VIS_HIDDEN };
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65 extern mb_action_t *mb_visibility_new(int visib, coord_t *coord,
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66 mb_word_t *word);
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67 /* @} */
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68
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69 /*! \defgroup act_support Action Supports.
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70 * @{
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71 */
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72 /*! \brief Basic class of animation actions.
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73 *
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74 * \sa \ref def_action
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75 */
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76 struct _mb_action {
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77 void (*start)(mb_action_t *act,
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78 const mb_timeval_t *now,
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79 const mb_timeval_t *playing_time,
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80 redraw_man_t *rdman);
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81 void (*step)(mb_action_t *act, const mb_timeval_t *now,
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82 redraw_man_t *rdman);
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83 void (*stop)(mb_action_t *act, const mb_timeval_t *now,
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84 redraw_man_t *rdman);
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85 void (*free)(mb_action_t *act);
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86 mb_action_t *next;
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87 };
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88
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89 extern void mb_word_add_action(mb_word_t *word, mb_action_t *act);
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90 /* @} */
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91
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92 /* @} */
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93
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94 #endif /* __ANIMATE_H_ */