Mercurial > MadButterfly
annotate src/redraw_man.c @ 115:3895d2224e67
Tank
| author | Thinker K.F. Li <thinker@branda.to> |
|---|---|
| date | Sun, 14 Sep 2008 02:17:57 +0800 |
| parents | 1909d53071ab |
| children | 257a1d314bcd |
| rev | line source |
|---|---|
| 12 | 1 #include <stdio.h> |
| 2 #include <stdlib.h> | |
| 3 #include <string.h> | |
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X_main uses rdman_redraw_all()
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4 #include <cairo.h> |
| 12 | 5 #include "mb_types.h" |
| 6 #include "shapes.h" | |
| 7 #include "tools.h" | |
| 8 #include "redraw_man.h" | |
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9 #include "observer.h" |
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10 |
| 12 | 11 |
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Set line width for path.
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12 /* NOTE: bounding box should also consider width of stroke. |
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13 */ |
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14 |
| 12 | 15 #define OK 0 |
| 16 #define ERR -1 | |
| 17 | |
| 13 | 18 #define SWAP(a, b, t) do { t c; c = a; a = b; b = c; } while(0) |
| 19 | |
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20 #ifdef UNITTEST |
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21 typedef struct _sh_dummy sh_dummy_t; |
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22 |
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23 extern void sh_dummy_transform(shape_t *shape); |
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24 extern void sh_dummy_fill(shape_t *, cairo_t *); |
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25 #endif /* UNITTEST */ |
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26 |
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27 static subject_t *ob_subject_alloc(ob_factory_t *factory); |
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28 static void ob_subject_free(ob_factory_t *factory, subject_t *subject); |
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29 static observer_t *ob_observer_alloc(ob_factory_t *factory); |
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30 static void ob_observer_free(ob_factory_t *factory, observer_t *observer); |
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31 static subject_t *ob_get_parent_subject(ob_factory_t *factory, |
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32 subject_t *cur_subject); |
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33 |
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34 |
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35 /*! \brief Sort a list of element by a unsigned integer. |
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36 * |
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37 * The result is in ascend order. The unsigned integers is |
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38 * at offset specified by 'off' from start address of elemnts. |
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39 */ |
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40 static void _insert_sort(void **elms, int num, int off) { |
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41 int i, j; |
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42 unsigned int val; |
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43 |
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44 for(i = 1; i < num; i++) { |
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45 val = *(unsigned int *)(elms[i] + off); |
| 115 | 46 for(j = i - 1; j > 0; j--) { |
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47 if(*(unsigned int *)(elms[j - 1] + off) <= val) |
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48 break; |
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49 elms[j] = elms[j - 1]; |
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50 } |
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51 elms[j] = elms[i]; |
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52 } |
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53 } |
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54 |
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55 static int extend_memblk(void **buf, int o_size, int n_size) { |
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56 void *new_buf; |
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57 |
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58 new_buf = realloc(*buf, n_size); |
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59 if(new_buf == NULL) |
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60 return ERR; |
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61 |
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Accept mouse/pointer event and hint the shape that the pointer is over.
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62 *buf = new_buf; |
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63 |
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64 return OK; |
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65 } |
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66 |
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67 static int add_dirty_geo(redraw_man_t *rdman, geo_t *geo) { |
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68 int max_dirty_geos; |
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69 int r; |
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70 |
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71 if(rdman->n_dirty_geos >= rdman->max_dirty_geos) { |
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72 max_dirty_geos = rdman->n_geos; |
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73 r = extend_memblk((void **)&rdman->dirty_geos, |
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74 sizeof(geo_t *) * rdman->n_dirty_geos, |
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75 sizeof(geo_t *) * max_dirty_geos); |
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76 if(r != OK) |
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77 return ERR; |
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78 rdman->max_dirty_geos = max_dirty_geos; |
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79 } |
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80 |
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81 rdman->dirty_geos[rdman->n_dirty_geos++] = geo; |
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82 return OK; |
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83 } |
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84 |
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85 static int add_dirty_area(redraw_man_t *rdman, area_t *area) { |
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86 int max_dirty_areas; |
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87 int r; |
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88 |
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89 if(rdman->n_dirty_areas >= rdman->max_dirty_areas) { |
| 37 | 90 /* every geo object and coord object can contribute 2 areas. |
| 91 * rdman_draw_area() may also contribute 1 area. | |
| 92 */ | |
| 93 max_dirty_areas = (rdman->n_geos + rdman->n_coords) * 2 + 1; | |
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94 r = extend_memblk((void **)&rdman->dirty_areas, |
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95 sizeof(area_t *) * rdman->n_dirty_areas, |
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96 sizeof(area_t *) * max_dirty_areas); |
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97 if(r != OK) |
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98 return ERR; |
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99 rdman->max_dirty_areas = max_dirty_areas; |
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100 } |
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101 |
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102 rdman->dirty_areas[rdman->n_dirty_areas++] = area; |
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103 return OK; |
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104 } |
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105 |
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106 static void area_to_positions(area_t *area, co_aix (*poses)[2]) { |
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107 poses[0][0] = area->x; |
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108 poses[0][1] = area->y; |
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109 poses[1][0] = area->x + area->w; |
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110 poses[1][1] = area->y + area->h;; |
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111 } |
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112 |
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113 int redraw_man_init(redraw_man_t *rdman, cairo_t *cr, cairo_t *backend) { |
| 12 | 114 extern void redraw_man_destroy(redraw_man_t *rdman); |
| 115 | |
| 116 memset(rdman, 0, sizeof(redraw_man_t)); | |
| 117 | |
| 118 rdman->geo_pool = elmpool_new(sizeof(geo_t), 128); | |
| 119 if(rdman->geo_pool == NULL) | |
| 120 return ERR; | |
| 121 | |
| 122 rdman->coord_pool = elmpool_new(sizeof(coord_t), 16); | |
| 123 if(rdman->coord_pool == NULL) { | |
| 124 elmpool_free(rdman->geo_pool); | |
| 125 return ERR; | |
| 126 } | |
| 127 | |
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128 rdman->shnode_pool = elmpool_new(sizeof(shnode_t), 16); |
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129 if(rdman->shnode_pool == NULL) { |
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130 elmpool_free(rdman->geo_pool); |
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131 elmpool_free(rdman->coord_pool); |
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132 return ERR; |
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133 } |
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134 |
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find_geo_in_pos() should return shapes that is not hidden
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135 rdman->observer_pool = elmpool_new(sizeof(observer_t), 32); |
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136 if(rdman->observer_pool == NULL) { |
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137 elmpool_free(rdman->geo_pool); |
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138 elmpool_free(rdman->coord_pool); |
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139 elmpool_free(rdman->shnode_pool); |
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140 return ERR; |
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141 } |
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142 |
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143 rdman->subject_pool = elmpool_new(sizeof(subject_t), 32); |
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144 if(rdman->subject_pool == NULL) { |
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145 elmpool_free(rdman->geo_pool); |
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146 elmpool_free(rdman->coord_pool); |
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147 elmpool_free(rdman->shnode_pool); |
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148 elmpool_free(rdman->observer_pool); |
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149 return ERR; |
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150 } |
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151 |
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152 rdman->ob_factory.subject_alloc = ob_subject_alloc; |
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153 rdman->ob_factory.subject_free = ob_subject_free; |
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154 rdman->ob_factory.observer_alloc = ob_observer_alloc; |
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155 rdman->ob_factory.observer_free = ob_observer_free; |
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156 rdman->ob_factory.get_parent_subject = ob_get_parent_subject; |
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157 |
| 12 | 158 rdman->root_coord = elmpool_elm_alloc(rdman->coord_pool); |
| 159 if(rdman->root_coord == NULL) | |
| 160 redraw_man_destroy(rdman); | |
| 13 | 161 rdman->n_coords = 1; |
| 12 | 162 coord_init(rdman->root_coord, NULL); |
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163 rdman->root_coord->mouse_event = subject_new(&rdman->ob_factory, |
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164 rdman->root_coord, |
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165 OBJT_COORD); |
| 12 | 166 |
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167 rdman->cr = cr; |
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168 rdman->backend = backend; |
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169 |
| 12 | 170 return OK; |
| 171 } | |
| 172 | |
| 173 void redraw_man_destroy(redraw_man_t *rdman) { | |
| 174 elmpool_free(rdman->coord_pool); | |
| 175 elmpool_free(rdman->geo_pool); | |
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176 elmpool_free(rdman->shnode_pool); |
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177 elmpool_free(rdman->observer_pool); |
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178 elmpool_free(rdman->subject_pool); |
| 13 | 179 if(rdman->dirty_coords) |
| 180 free(rdman->dirty_coords); | |
| 14 | 181 if(rdman->dirty_geos) |
| 182 free(rdman->dirty_geos); | |
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183 if(rdman->gen_geos) |
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184 free(rdman->gen_geos); |
| 12 | 185 } |
| 186 | |
| 187 | |
| 188 #define ASSERT(x) | |
| 189 /* | |
| 190 * Change transformation matrix | |
| 191 * - update aggregated transformation matrix | |
| 192 * - of coord_t object been changed. | |
| 193 * - of children coord_t objects. | |
| 194 * - redraw members of coord_t objects. | |
| 195 * - redraw shape objects they are overlaid with members. | |
| 196 * - find out overlaid shape objects. | |
| 197 * - geo_t of a coord_t object | |
| 198 * - can make finding more efficiency. | |
| 199 * - fill overlay geo_t objects of members. | |
| 200 * | |
| 201 * Change a shape object | |
| 202 * - redraw changed object. | |
| 203 * - redraw shape objects they are overlaid with changed object. | |
| 204 * - find out overlaid shape objects. | |
| 205 * | |
| 206 * That coord and geo of shape objects are setted by user code | |
| 207 * give user code a chance to collect coord and geo objects together | |
| 208 * and gain interest of higher cache hit rate. | |
| 209 */ | |
| 210 | |
| 211 /*! \brief Find out all affected shape objects. | |
| 212 * | |
| 213 * Find out all shape objects that are overalid with geo_t of | |
| 214 * a geometry changed object. | |
| 215 * | |
| 216 * Linear scan geo_t objects of all shape objects in all_shapes | |
| 217 * list of a redraw_man_t object. | |
| 218 */ | |
| 219 int rdman_find_overlaid_shapes(redraw_man_t *rdman, geo_t *geo, | |
| 220 geo_t ***overlays) { | |
| 221 int n_geos; | |
| 222 geo_t **geos; | |
| 223 geo_t *geo_cur; | |
| 224 int n_overlays; | |
| 225 geo_t **_overlays; | |
| 226 int i; | |
| 227 | |
| 228 n_geos = rdman->n_geos; | |
| 229 | |
| 230 geos = (geo_t **)malloc(sizeof(geo_t *) * n_geos); | |
| 231 if(geos == NULL) | |
| 232 return -1; | |
| 233 | |
| 234 _overlays = (geo_t **)malloc(sizeof(geo_t *) * n_geos); | |
| 235 if(geos == NULL) { | |
| 236 free(geos); | |
| 237 return -1; | |
| 238 } | |
| 239 | |
| 240 geo_cur = STAILQ_HEAD(rdman->all_geos); | |
| 241 for(i = 0; i < n_geos; i++) { | |
| 242 geos[i] = geo_cur; | |
| 243 geo_cur = STAILQ_NEXT(geo_t, next, geo_cur); | |
| 244 } | |
| 245 geo_mark_overlay(geo, n_geos, geos, &n_overlays, _overlays); | |
| 246 | |
| 247 free(geos); | |
| 248 *overlays = _overlays; | |
| 249 | |
| 250 return n_overlays; | |
| 251 } | |
| 252 | |
| 253 int rdman_add_shape(redraw_man_t *rdman, shape_t *shape, coord_t *coord) { | |
| 254 geo_t *geo; | |
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255 #ifdef GEO_ORDER |
| 13 | 256 geo_t *visit; |
| 257 unsigned int next_order; | |
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258 #endif |
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259 int r; |
| 12 | 260 |
| 261 geo = elmpool_elm_alloc(rdman->geo_pool); | |
| 262 if(geo == NULL) | |
| 263 return ERR; | |
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264 |
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265 geo_init(geo); |
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266 geo->mouse_event = subject_new(&rdman->ob_factory, geo, OBJT_GEO); |
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267 |
| 12 | 268 sh_attach_geo(shape, geo); |
| 269 STAILQ_INS_TAIL(rdman->all_geos, geo_t, next, geo); | |
| 270 rdman->n_geos++; | |
| 13 | 271 |
| 58 | 272 /*! \todo remove order number. */ |
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273 #ifdef GEO_ORDER |
| 13 | 274 geo->order = ++rdman->next_geo_order; |
| 275 if(geo->order == 0) { | |
| 276 next_order = 0; | |
| 277 for(visit = STAILQ_HEAD(rdman->all_geos); | |
| 278 visit != NULL; | |
| 279 visit = STAILQ_NEXT(geo_t, next, visit)) | |
| 280 visit->order = ++next_order; | |
| 281 rdman->next_geo_order = next_order; | |
| 282 } | |
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283 #endif |
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284 |
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285 /* New one should be dirty to recompute it when drawing. */ |
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286 geo->flags |= GEF_DIRTY; |
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287 r = add_dirty_geo(rdman, geo); |
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288 if(r != OK) |
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289 return ERR; |
| 13 | 290 |
| 12 | 291 sh_attach_coord(shape, coord); |
| 292 | |
| 293 return OK; | |
| 294 } | |
| 295 | |
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296 /*! \brief Remove a shape object from redraw manager. |
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297 * |
| 58 | 298 * \todo redraw shape objects that overlaid with removed one. |
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299 */ |
| 12 | 300 int rdman_remove_shape(redraw_man_t *rdman, shape_t *shape) { |
| 301 STAILQ_REMOVE(rdman->all_geos, geo_t, next, shape->geo); | |
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302 subject_free(&rdman->ob_factory, shape->geo->mouse_event); |
| 104 | 303 sh_detach_geo(shape); |
| 12 | 304 elmpool_elm_free(rdman->geo_pool, shape->geo); |
| 305 rdman->n_geos--; | |
| 306 sh_detach_coord(shape); | |
| 307 return OK; | |
| 308 } | |
| 309 | |
| 310 coord_t *rdman_coord_new(redraw_man_t *rdman, coord_t *parent) { | |
| 13 | 311 coord_t *coord, *root_coord; |
| 312 coord_t *visit; | |
| 12 | 313 |
| 314 coord = elmpool_elm_alloc(rdman->coord_pool); | |
| 315 if(coord == NULL) | |
| 316 return NULL; | |
| 317 | |
| 318 coord_init(coord, parent); | |
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319 coord->mouse_event = subject_new(&rdman->ob_factory, |
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320 coord, |
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321 OBJT_COORD); |
| 13 | 322 rdman->n_coords++; |
| 323 | |
| 324 coord->order = ++rdman->next_coord_order; | |
| 325 if(coord->order == 0) { | |
| 326 rdman->next_coord_order = 0; | |
| 327 root_coord = visit = rdman->root_coord; | |
| 328 /* skip root coord. */ | |
| 329 visit = preorder_coord_subtree(root_coord, visit); | |
| 330 while(visit) { | |
| 331 visit->order = ++rdman->next_coord_order; | |
| 332 visit = preorder_coord_subtree(root_coord, visit); | |
| 333 } | |
| 334 } | |
| 12 | 335 |
| 336 return coord; | |
| 337 } | |
| 338 | |
| 339 /*! \brief Free a coord of a redraw_man_t object. | |
| 340 * | |
| 341 * \param coord is a coord_t without children and members. | |
| 342 * \return 0 for successful, -1 for error. | |
| 343 */ | |
| 344 int rdman_coord_free(redraw_man_t *rdman, coord_t *coord) { | |
| 345 coord_t *parent; | |
| 346 | |
| 347 parent = coord->parent; | |
| 348 if(parent == NULL) | |
| 349 return ERR; | |
| 350 | |
| 351 if(STAILQ_HEAD(coord->members) != NULL) | |
| 352 return ERR; | |
| 353 | |
| 354 if(STAILQ_HEAD(coord->children) != NULL) | |
| 355 return ERR; | |
| 356 | |
| 357 STAILQ_REMOVE(parent->children, coord_t, sibling, coord); | |
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358 subject_free(&rdman->ob_factory, coord->mouse_event); |
| 12 | 359 elmpool_elm_free(rdman->coord_pool, coord); |
| 13 | 360 rdman->n_coords--; |
| 361 | |
| 362 return OK; | |
| 363 } | |
| 364 | |
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365 static void make_sure_dirty_coords(redraw_man_t *rdman) { |
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366 int max_dirty_coords; |
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367 int r; |
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368 |
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369 if(rdman->n_dirty_coords >= rdman->max_dirty_coords) { |
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370 /* Max of dirty_coords is not big enough. */ |
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371 max_dirty_coords = rdman->max_dirty_coords + 16; |
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372 |
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373 r = extend_memblk((void **)&rdman->dirty_coords, |
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374 sizeof(coord_t *) * rdman->n_dirty_coords, |
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375 sizeof(coord_t *) * max_dirty_coords); |
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376 rdman->max_dirty_coords = max_dirty_coords; |
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377 } |
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378 } |
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379 |
| 13 | 380 /*! \brief Mark a coord is changed. |
| 381 * | |
| 382 * A changed coord_t object is marked as dirty and put | |
| 383 * into dirty_coords list. | |
| 384 */ | |
| 385 int rdman_coord_changed(redraw_man_t *rdman, coord_t *coord) { | |
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386 coord_t *child; |
| 13 | 387 |
| 388 if(coord->flags & COF_DIRTY) | |
| 389 return OK; | |
| 390 | |
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391 /* Make the coord and child coords dirty. */ |
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392 for(child = coord; |
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393 child != NULL; |
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394 child = preorder_coord_subtree(coord, child)) { |
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395 if(child->flags & COF_DIRTY) |
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396 continue; |
|
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397 make_sure_dirty_coords(rdman); |
|
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398 |
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399 rdman->dirty_coords[rdman->n_dirty_coords++] = child; |
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400 child->flags |= COF_DIRTY; |
|
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401 } |
| 13 | 402 |
| 403 return OK; | |
| 404 } | |
| 405 | |
|
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406 static int _rdman_shape_changed(redraw_man_t *rdman, shape_t *shape) { |
| 13 | 407 geo_t *geo; |
| 408 int r; | |
| 409 | |
| 410 geo = shape->geo; | |
| 411 | |
| 412 if(geo->flags & GEF_DIRTY) | |
| 413 return OK; | |
| 414 | |
| 415 r = add_dirty_geo(rdman, geo); | |
| 416 if(r == ERR) | |
| 417 return ERR; | |
| 418 geo->flags |= GEF_DIRTY; | |
| 12 | 419 |
| 420 return OK; | |
| 421 } | |
| 422 | |
|
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423 /*! \brief Mark a shape is changed. |
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424 * |
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425 * The geo_t object of a changed shape is mark as dirty and |
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426 * put into dirty_geos list. |
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427 */ |
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428 int rdman_shape_changed(redraw_man_t *rdman, shape_t *shape) { |
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429 return _rdman_shape_changed(rdman, shape); |
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430 } |
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431 |
| 29 | 432 int rdman_paint_changed(redraw_man_t *rdman, paint_t *paint) { |
| 433 shnode_t *node; | |
| 434 int r; | |
| 435 | |
| 436 for(node = STAILQ_HEAD(paint->members); | |
| 437 node != NULL; | |
| 438 node = STAILQ_NEXT(shnode_t, next, node)) { | |
| 439 r = _rdman_shape_changed(rdman, node->shape); | |
| 440 if(r != OK) | |
| 441 return ERR; | |
| 442 } | |
| 443 return OK; | |
| 444 } | |
| 445 | |
| 28 | 446 /* Clean dirties */ |
| 447 | |
|
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448 static int is_coord_subtree_hidden(coord_t *coord) { |
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449 while(coord) { |
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450 if(coord->flags & COF_HIDDEN) |
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451 return 1; |
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452 coord = coord->parent; |
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453 } |
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454 return 0; |
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455 } |
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456 |
| 28 | 457 static void clean_shape(shape_t *shape) { |
| 458 switch(shape->sh_type) { | |
| 459 case SHT_PATH: | |
| 460 sh_path_transform(shape); | |
| 461 break; | |
| 462 case SHT_TEXT: | |
| 463 sh_text_transform(shape); | |
| 464 break; | |
|
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465 case SHT_RECT: |
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466 sh_rect_transform(shape); |
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467 break; |
| 28 | 468 #ifdef UNITTEST |
| 469 default: | |
| 470 sh_dummy_transform(shape); | |
| 471 break; | |
| 472 #endif /* UNITTEST */ | |
| 473 } | |
| 474 shape->geo->flags &= ~GEF_DIRTY; | |
|
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475 |
|
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476 if(is_coord_subtree_hidden(shape->coord)) |
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477 shape->geo->flags |= GEF_HIDDEN; |
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478 else |
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479 shape->geo->flags &= ~GEF_HIDDEN; |
| 28 | 480 } |
| 481 | |
| 482 static int clean_coord(coord_t *coord) { | |
| 483 shape_t *shape; | |
| 484 geo_t *geo; | |
| 485 co_aix (*poses)[2]; | |
| 486 int cnt, pos_cnt; | |
| 487 | |
| 488 compute_aggr_of_coord(coord); | |
| 489 | |
| 490 /* Clean member shapes. */ | |
| 491 cnt = 0; | |
| 492 for(shape = STAILQ_HEAD(coord->members); | |
| 493 shape != NULL; | |
| 494 shape = STAILQ_NEXT(shape_t, coord_mem_next, shape)) { | |
| 495 geo = shape->geo; | |
| 496 SWAP(geo->cur_area, geo->last_area, area_t *); | |
| 497 clean_shape(shape); | |
| 498 cnt++; | |
| 499 } | |
| 500 | |
| 501 /* Compute area of the coord. */ | |
| 502 poses = (co_aix (*)[2])malloc(sizeof(co_aix [2]) * 2 * cnt); | |
| 503 if(poses == NULL) | |
| 504 return ERR; | |
| 505 | |
| 506 pos_cnt = 0; | |
| 507 for(shape = STAILQ_HEAD(coord->members); | |
| 508 shape != NULL; | |
| 509 shape = STAILQ_NEXT(shape_t, coord_mem_next, shape)) { | |
| 510 geo = shape->geo; | |
| 511 | |
| 512 area_to_positions(geo->cur_area, poses + pos_cnt); | |
| 513 pos_cnt += 2; | |
| 514 } | |
| 515 | |
| 516 SWAP(coord->cur_area, coord->last_area, area_t *); | |
| 517 area_init(coord->cur_area, pos_cnt, poses); | |
| 518 free(poses); | |
| 519 | |
| 520 coord->flags &= ~COF_DIRTY; | |
| 521 | |
| 522 return OK; | |
| 523 } | |
| 524 | |
| 525 static int clean_rdman_coords(redraw_man_t *rdman) { | |
| 526 coord_t *coord; | |
| 527 coord_t **dirty_coords; | |
| 528 int n_dirty_coords; | |
| 529 int i, r; | |
| 530 | |
| 531 n_dirty_coords = rdman->n_dirty_coords; | |
| 532 if(n_dirty_coords > 0) { | |
| 533 dirty_coords = rdman->dirty_coords; | |
| 534 _insert_sort((void **)dirty_coords, n_dirty_coords, | |
| 535 OFFSET(coord_t, order)); | |
| 536 for(i = 0; i < n_dirty_coords; i++) { | |
| 537 coord = dirty_coords[i]; | |
| 538 if(!(coord->flags & COF_DIRTY)) | |
| 539 continue; | |
| 540 r = clean_coord(coord); | |
| 541 if(r != OK) | |
| 542 return ERR; | |
| 543 /* These two steps can be avoided for drawing all. */ | |
| 544 add_dirty_area(rdman, &coord->areas[0]); | |
| 545 add_dirty_area(rdman, &coord->areas[1]); | |
| 546 } | |
| 547 rdman->n_dirty_coords = 0; | |
| 548 } | |
| 549 return OK; | |
| 550 } | |
| 551 | |
| 552 static int clean_rdman_geos(redraw_man_t *rdman) { | |
| 553 int i; | |
| 554 int n_dirty_geos; | |
| 555 geo_t **dirty_geos; | |
| 556 geo_t *visit_geo; | |
| 557 | |
| 558 n_dirty_geos = rdman->n_dirty_geos; | |
| 559 if(n_dirty_geos > 0) { | |
| 560 dirty_geos = rdman->dirty_geos; | |
| 561 for(i = 0; i < n_dirty_geos; i++) { | |
| 562 visit_geo = dirty_geos[i]; | |
| 563 if(!(visit_geo->flags & GEF_DIRTY)) | |
| 564 continue; | |
| 565 | |
| 566 SWAP(visit_geo->cur_area, visit_geo->last_area, area_t *); | |
| 567 clean_shape(visit_geo->shape); | |
| 568 add_dirty_area(rdman, visit_geo->cur_area); | |
| 569 add_dirty_area(rdman, visit_geo->last_area); | |
| 570 } | |
| 571 rdman->n_dirty_geos = 0; | |
| 572 } | |
| 573 | |
| 574 return OK; | |
| 575 } | |
| 576 | |
| 29 | 577 static int clean_rdman_dirties(redraw_man_t *rdman) { |
| 578 int r; | |
| 579 | |
| 580 r = clean_rdman_coords(rdman); | |
| 581 if(r != OK) | |
| 582 return ERR; | |
| 583 | |
| 584 r = clean_rdman_geos(rdman); | |
| 585 if(r != OK) | |
| 586 return ERR; | |
| 587 | |
| 588 return OK; | |
| 589 } | |
| 590 | |
| 591 | |
|
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592 /* Drawing and Redrawing |
|
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593 * ============================================================ |
|
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594 */ |
|
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A simple animation using rdman_redraw_changed().
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|
595 |
|
26
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Set line width for path.
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|
596 #ifndef UNITTEST |
|
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597 static void set_shape_stroke_param(shape_t *shape, cairo_t *cr) { |
|
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598 cairo_set_line_width(cr, shape->stroke_width); |
|
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599 } |
|
33
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Fix bug of demo and remove *_fill() and *_stroke().
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|
600 |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
601 static void fill_path_preserve(redraw_man_t *rdman) { |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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602 cairo_fill_preserve(rdman->cr); |
|
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|
603 } |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
604 |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
605 static void fill_path(redraw_man_t *rdman) { |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
606 cairo_fill(rdman->cr); |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
607 } |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
608 |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
609 static void stroke_path(redraw_man_t *rdman) { |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
610 cairo_stroke(rdman->cr); |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
611 } |
|
26
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Set line width for path.
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|
612 #else |
|
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|
613 static void set_shape_stroke_param(shape_t *shape, cairo_t *cr) { |
|
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Set line width for path.
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|
614 } |
|
33
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Fix bug of demo and remove *_fill() and *_stroke().
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|
615 |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
616 static void fill_path_preserve(redraw_man_t *rdman) { |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
617 } |
|
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|
618 |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
619 static void fill_path(redraw_man_t *rdman) { |
|
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620 } |
|
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|
621 |
|
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|
622 static void stroke_path(redraw_man_t *rdman) { |
|
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623 } |
|
26
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|
624 #endif |
|
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|
625 |
| 22 | 626 static void draw_shape(redraw_man_t *rdman, shape_t *shape) { |
| 627 paint_t *fill, *stroke; | |
|
18
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|
628 |
|
33
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|
629 if(shape->fill || shape->stroke) { |
| 19 | 630 switch(shape->sh_type) { |
| 631 case SHT_PATH: | |
|
33
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632 sh_path_draw(shape, rdman->cr); |
| 19 | 633 break; |
| 27 | 634 case SHT_TEXT: |
|
33
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|
635 sh_text_draw(shape, rdman->cr); |
| 27 | 636 break; |
|
35
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|
637 case SHT_RECT: |
|
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|
638 sh_rect_draw(shape, rdman->cr); |
|
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639 break; |
|
17
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Unittest for rdman_redraw_changed().
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|
640 #ifdef UNITTEST |
| 19 | 641 default: |
|
20
74d3d5dc9aaa
rename XXX_draw() to XXX_fill()
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parents:
19
diff
changeset
|
642 sh_dummy_fill(shape, rdman->cr); |
| 19 | 643 break; |
|
17
41f0907b27ac
Unittest for rdman_redraw_changed().
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|
644 #endif /* UNITTEST */ |
| 19 | 645 } |
|
33
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Fix bug of demo and remove *_fill() and *_stroke().
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|
646 |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
647 fill = shape->fill; |
|
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|
648 if(shape->fill) { |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
649 fill->prepare(fill, rdman->cr); |
|
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|
650 if(shape->stroke) |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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|
651 fill_path_preserve(rdman); |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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652 else |
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Fix bug of demo and remove *_fill() and *_stroke().
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|
653 fill_path(rdman); |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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654 } |
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655 |
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656 stroke = shape->stroke; |
|
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657 if(stroke) { |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
658 stroke->prepare(stroke, rdman->cr); |
|
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Fix bug of demo and remove *_fill() and *_stroke().
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|
659 set_shape_stroke_param(shape, rdman->cr); |
|
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|
660 stroke_path(rdman); |
| 22 | 661 } |
| 662 } | |
| 13 | 663 } |
| 664 | |
|
17
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|
665 #ifndef UNITTEST |
|
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Fix bug of a dark line appear when animating.
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666 static void clean_canvas(cairo_t *cr) { |
| 58 | 667 /*! \todo clean to background color. */ |
|
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Fix bug of core dump caused by forget to check if parent is NULL, root.
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|
668 cairo_set_source_rgb(cr, 1, 1, 1); |
|
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|
669 cairo_paint(cr); |
|
16
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670 } |
|
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671 |
|
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672 static void make_clip(cairo_t *cr, int n_dirty_areas, |
|
15
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673 area_t **dirty_areas) { |
|
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674 int i; |
|
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675 area_t *area; |
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676 |
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677 for(i = 0; i < n_dirty_areas; i++) { |
|
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678 area = dirty_areas[i]; |
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679 cairo_rectangle(cr, area->x, area->y, area->w, area->h); |
|
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680 } |
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681 cairo_clip(cr); |
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682 } |
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683 |
|
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684 static void reset_clip(redraw_man_t *rdman) { |
|
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685 cairo_reset_clip(rdman->backend); |
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686 } |
|
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|
687 |
|
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688 static void copy_cr_2_backend(redraw_man_t *rdman, int n_dirty_areas, |
|
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689 area_t **dirty_areas) { |
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690 if(n_dirty_areas) |
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691 make_clip(rdman->backend, n_dirty_areas, dirty_areas); |
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|
692 |
|
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|
693 cairo_paint(rdman->backend); |
|
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694 } |
|
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Unittest for rdman_redraw_changed().
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|
695 #else /* UNITTEST */ |
|
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|
696 static void clean_canvas(cairo_t *cr) { |
|
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697 } |
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|
698 |
|
17
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Unittest for rdman_redraw_changed().
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|
699 static void reset_clip(redraw_man_t *rdman) { |
|
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Unittest for rdman_redraw_changed().
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700 } |
|
24
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|
701 |
|
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|
702 static void copy_cr_2_backend(redraw_man_t *rdman, int n_dirty_areas, |
|
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703 area_t **dirty_areas) { |
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704 } |
|
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Unittest for rdman_redraw_changed().
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705 #endif /* UNITTEST */ |
|
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Unittest for rdman_redraw_changed().
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706 |
| 22 | 707 static void draw_shapes_in_areas(redraw_man_t *rdman, |
|
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708 int n_areas, |
|
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709 area_t **areas) { |
|
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710 geo_t *visit_geo; |
|
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711 int i; |
|
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|
712 |
|
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713 for(visit_geo = STAILQ_HEAD(rdman->all_geos); |
|
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|
714 visit_geo != NULL; |
|
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|
715 visit_geo = STAILQ_NEXT(geo_t, next, visit_geo)) { |
|
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716 if(visit_geo->flags & GEF_DIRTY) |
|
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A simple animation using rdman_redraw_changed().
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|
717 clean_shape(visit_geo->shape); |
|
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ab028c9f0930
Ability to hidden shapes and action of visibility.
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diff
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|
718 if(visit_geo->flags & GEF_HIDDEN) |
|
ab028c9f0930
Ability to hidden shapes and action of visibility.
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|
719 continue; |
|
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720 for(i = 0; i < n_areas; i++) { |
|
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|
721 if(is_overlay(visit_geo->cur_area, areas[i])) { |
| 22 | 722 draw_shape(rdman, visit_geo->shape); |
|
15
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|
723 break; |
|
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724 } |
|
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|
725 } |
|
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|
726 } |
| 13 | 727 } |
| 728 | |
|
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|
729 |
| 13 | 730 /*! \brief Re-draw all changed shapes or shapes affected by changed coords. |
| 731 * | |
| 732 * A coord object has a geo to keep track the range that it's members will | |
| 733 * draw on. Geo of a coord should be recomputed when the coord is changed. | |
| 734 * Geo of a coord used to accelerate finding overlay shape objects of | |
| 735 * a specified geo. A coord object also must be recomputed when one of | |
| 736 * it's members is changed. | |
| 737 * | |
| 738 * New and old geo values of a coord object that is recomputed for | |
| 739 * changing of it-self must be used to find overlay shape objects. | |
| 740 * New and old geo values of a shape should also be used to find | |
| 741 * overlay shape objects, too. If a shape's coord is changed, shape's | |
| 742 * geo object is not used to find overlay shape objects any more. | |
| 743 * | |
| 744 * steps: | |
| 745 * - update chagned coord objects | |
| 14 | 746 * - recompute area for changed coord objects |
| 13 | 747 * - recompute geo for members shape objects |
| 14 | 748 * - clear dirty of geo for members to prevent from |
| 749 * recomputing for change of shape objects. | |
| 750 * - add old and new area value to list of dirty areas. | |
| 13 | 751 * - recompute geo for changed shape objects |
| 14 | 752 * - only if a shape object is dirty. |
| 753 * - put new and old value of area of geo to list of dirty areas. | |
| 754 * - Scan all shapes and redraw shapes overlaid with dirty areas. | |
| 13 | 755 * |
| 14 | 756 * dirty flag of coord objects is cleared after update. |
|
15
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|
757 * dirty flag of geo objects is also cleared after recomputing. |
|
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|
758 * Clean dirty flag can prevent redundant computing for geo and |
|
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|
759 * corod objects. |
| 14 | 760 * |
| 13 | 761 */ |
| 762 int rdman_redraw_changed(redraw_man_t *rdman) { | |
| 28 | 763 int r; |
| 13 | 764 int n_dirty_areas; |
| 14 | 765 area_t **dirty_areas; |
| 13 | 766 |
| 29 | 767 r = clean_rdman_dirties(rdman); |
|
16
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A simple animation using rdman_redraw_changed().
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|
768 if(r != OK) |
|
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A simple animation using rdman_redraw_changed().
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|
769 return ERR; |
| 13 | 770 |
|
15
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|
771 n_dirty_areas = rdman->n_dirty_areas; |
|
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parents:
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|
772 dirty_areas = rdman->dirty_areas; |
|
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parents:
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|
773 if(n_dirty_areas > 0) { |
|
25
29937c26bb01
Fix bug of a dark line appear when animating.
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parents:
24
diff
changeset
|
774 clean_canvas(rdman->cr); |
| 22 | 775 draw_shapes_in_areas(rdman, n_dirty_areas, dirty_areas); |
|
24
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|
776 copy_cr_2_backend(rdman, rdman->n_dirty_areas, rdman->dirty_areas); |
|
15
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|
777 rdman->n_dirty_areas = 0; |
|
17
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Unittest for rdman_redraw_changed().
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|
778 reset_clip(rdman); |
|
15
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|
779 } |
|
16
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A simple animation using rdman_redraw_changed().
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|
780 rdman->n_dirty_areas = 0; |
|
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A simple animation using rdman_redraw_changed().
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|
781 |
|
15
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|
782 return OK; |
|
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|
783 } |
|
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|
784 |
| 38 | 785 /* NOTE: Before redrawing, the canvas/surface must be cleaned. |
| 786 * NOTE: After redrawing, the content must be copied to the backend surface. | |
| 787 */ | |
| 788 | |
|
15
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X_main uses rdman_redraw_all()
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|
789 int rdman_redraw_all(redraw_man_t *rdman) { |
|
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X_main uses rdman_redraw_all()
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diff
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|
790 geo_t *geo; |
| 29 | 791 int r; |
|
15
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parents:
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diff
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|
792 |
| 29 | 793 r = clean_rdman_dirties(rdman); |
| 794 if(r != OK) | |
| 795 return ERR; | |
|
16
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A simple animation using rdman_redraw_changed().
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parents:
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|
796 |
| 37 | 797 clean_canvas(rdman->cr); |
| 798 | |
|
15
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diff
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|
799 for(geo = STAILQ_HEAD(rdman->all_geos); |
|
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|
800 geo != NULL; |
|
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diff
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|
801 geo = STAILQ_NEXT(geo_t, next, geo)) { |
|
57
ab028c9f0930
Ability to hidden shapes and action of visibility.
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parents:
38
diff
changeset
|
802 if(geo->flags & GEF_HIDDEN) |
|
ab028c9f0930
Ability to hidden shapes and action of visibility.
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parents:
38
diff
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|
803 continue; |
| 22 | 804 draw_shape(rdman, geo->shape); |
| 13 | 805 } |
|
24
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No more flash when animation.
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23
diff
changeset
|
806 copy_cr_2_backend(rdman, 0, NULL); |
| 29 | 807 rdman->n_dirty_areas = 0; |
| 13 | 808 |
| 809 return OK; | |
| 12 | 810 } |
| 811 | |
| 37 | 812 int rdman_redraw_area(redraw_man_t *rdman, co_aix x, co_aix y, |
| 813 co_aix w, co_aix h) { | |
| 814 area_t area; | |
| 815 int r; | |
| 816 | |
| 817 area.x = x; | |
| 818 area.y = y; | |
| 819 area.w = w; | |
| 820 area.h = h; | |
| 821 add_dirty_area(rdman, &area); | |
| 822 | |
| 823 r = rdman_redraw_changed(rdman); | |
| 824 | |
| 825 return r; | |
| 826 } | |
| 827 | |
|
30
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Accept mouse/pointer event and hint the shape that the pointer is over.
Thinker K.F. Li <thinker@branda.to>
parents:
29
diff
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|
828 int rdman_force_clean(redraw_man_t *rdman) { |
|
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
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parents:
29
diff
changeset
|
829 int r; |
|
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
Thinker K.F. Li <thinker@branda.to>
parents:
29
diff
changeset
|
830 |
|
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
Thinker K.F. Li <thinker@branda.to>
parents:
29
diff
changeset
|
831 r = clean_rdman_dirties(rdman); |
|
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
Thinker K.F. Li <thinker@branda.to>
parents:
29
diff
changeset
|
832 |
|
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
Thinker K.F. Li <thinker@branda.to>
parents:
29
diff
changeset
|
833 return r; |
|
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
Thinker K.F. Li <thinker@branda.to>
parents:
29
diff
changeset
|
834 } |
|
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
Thinker K.F. Li <thinker@branda.to>
parents:
29
diff
changeset
|
835 |
|
18
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
changeset
|
836 shnode_t *shnode_new(redraw_man_t *rdman, shape_t *shape) { |
|
0f3baa488a62
Support solid color paint for fill.
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parents:
17
diff
changeset
|
837 shnode_t *node; |
|
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
changeset
|
838 |
|
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
changeset
|
839 node = (shnode_t *)elmpool_elm_alloc(rdman->shnode_pool); |
|
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
changeset
|
840 if(node) { |
|
0f3baa488a62
Support solid color paint for fill.
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parents:
17
diff
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|
841 node->shape = shape; |
|
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
changeset
|
842 node->next = NULL; |
|
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
changeset
|
843 } |
|
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
changeset
|
844 return node; |
|
0f3baa488a62
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Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
changeset
|
845 } |
|
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
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|
846 |
| 12 | 847 /* |
|
16
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A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
848 * Dirty of geo |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
849 * A geo is dirty when any of the shape, size or positions is changed. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
850 * It's geo and positions should be recomputed before drawing. So, |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
851 * dirty geos are marked as dirty and put into dirty_geos list. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
852 * The list is inspected before drawing to make sure the right shape, |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
853 * size, and positions. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
854 * |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
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|
855 * Dirty of coord |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
856 * A coord is dirty when it's transformation matrix being changed. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
857 * Dirty coords are marked as dirty and put into dirty_coords list. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
858 * Once a coord is dirty, every member geos of it are also dirty. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
859 * Because, their shape, size and positions will be changed. But, |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
860 * they are not marked as dirty and put into dirty_geos list, since |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
861 * all these member geos will be recomputed for computing new current |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
862 * area of the coord. The changes of a coord also affect child |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
863 * coords. Once parent is dirty, all children are also dirty for |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
864 * their aggregate matrix out of date. Dirty coords should be |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
865 * clean in preorder of tree traversal. The dirty_coords list |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
866 * are sorted to keep the order before cleaning. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
867 * Whenever a coord is marked dirty and put into dirty_coords list, |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
868 * all it's children should also be marked and put. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
869 * |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
870 * The procedure of clean coords comprises recomputing aggregate |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
871 * tranform matrix and area where members spreading in. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
872 * |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
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parents:
15
diff
changeset
|
873 * The list is inspected before drawing to recompute new shape, size, |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
874 * and positions of member geos of coords in the list. The drity |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
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parents:
15
diff
changeset
|
875 * flag of member geos will be clean. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
876 * |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
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|
877 * Clean coords should be performed before clean geos, since clean |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
878 * coords will also clean member geos. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
879 */ |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
880 |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
881 /* |
| 12 | 882 * When redraw an area, the affected elements may also extend to |
| 883 * outside of the area. Since the order of drawing will change | |
| 884 * the result, it will infect more and more elements to keep | |
| 885 * drawing order althrough they are overlaid directly with | |
| 886 * specified area. | |
| 887 * | |
| 888 * To fix the problem, we don't extend the set of redrawing to | |
| 889 * elements they are not overliad directly. The redrawing is | |
| 890 * performed on a temporary surface, clipped to fit the area, and | |
| 891 * update only specified area on the destinate surface. | |
| 892 */ | |
| 893 | |
| 894 /* | |
| 895 * To accelerate speed of transformation, when a matrix changed, | |
| 896 * transformation should be aggregated and computed in a loop. | |
| 897 * It can get intereset of higher hit rate of cache. | |
| 898 * - shapes prvoide list of positions needed to be transformed. | |
| 899 * - redraw_man transforms positions from shapes. | |
| 900 * - shapes drawing with result of transforms. | |
| 901 * - shapes should be called to give them a chance to update geometries. | |
| 902 */ | |
| 903 | |
| 13 | 904 /* |
| 905 * functions: | |
| 906 * - redraw all | |
| 907 * - redraw changed | |
| 908 */ | |
| 909 | |
|
73
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
910 /* Implment factory and strategy functions for observers and subjects. |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
911 */ |
|
9ab15ebc9061
Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents:
58
diff
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|
912 static subject_t *ob_subject_alloc(ob_factory_t *factory) { |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
913 redraw_man_t *rdman; |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
914 subject_t *subject; |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
changeset
|
915 |
|
9ab15ebc9061
Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents:
58
diff
changeset
|
916 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
|
9ab15ebc9061
Observer for mouse events
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parents:
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diff
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|
917 subject = elmpool_elm_alloc(rdman->subject_pool); |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
918 |
|
9ab15ebc9061
Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents:
58
diff
changeset
|
919 return subject; |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
920 } |
|
9ab15ebc9061
Observer for mouse events
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parents:
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diff
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|
921 |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
changeset
|
922 static void ob_subject_free(ob_factory_t *factory, subject_t *subject) { |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
923 redraw_man_t *rdman; |
|
9ab15ebc9061
Observer for mouse events
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parents:
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diff
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|
924 |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
changeset
|
925 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
926 elmpool_elm_free(rdman->subject_pool, subject); |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
927 } |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
928 |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
changeset
|
929 static observer_t *ob_observer_alloc(ob_factory_t *factory) { |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
930 redraw_man_t *rdman; |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
931 observer_t *observer; |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
changeset
|
932 |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
changeset
|
933 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
934 observer = elmpool_elm_alloc(rdman->observer_pool); |
|
9ab15ebc9061
Observer for mouse events
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parents:
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diff
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|
935 |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
936 return observer; |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
changeset
|
937 } |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
changeset
|
938 |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
changeset
|
939 static void ob_observer_free(ob_factory_t *factory, observer_t *observer) { |
|
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Observer for mouse events
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parents:
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diff
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|
940 redraw_man_t *rdman; |
|
9ab15ebc9061
Observer for mouse events
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parents:
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diff
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|
941 |
|
9ab15ebc9061
Observer for mouse events
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parents:
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diff
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|
942 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
|
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Observer for mouse events
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parents:
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diff
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|
943 elmpool_elm_free(rdman->observer_pool, observer); |
|
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parents:
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|
944 } |
|
9ab15ebc9061
Observer for mouse events
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parents:
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diff
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|
945 |
|
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Observer for mouse events
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parents:
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diff
changeset
|
946 static subject_t *ob_get_parent_subject(ob_factory_t *factory, |
|
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Observer for mouse events
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parents:
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|
947 subject_t *cur_subject) { |
|
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parents:
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diff
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|
948 redraw_man_t *rdman; |
|
79
5bcb329a5157
Fix bug of core dump caused by forget to check if parent is NULL, root.
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parents:
75
diff
changeset
|
949 coord_t *coord, *parent_coord; |
|
73
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parents:
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diff
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|
950 geo_t *geo; |
|
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Observer for mouse events
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parents:
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diff
changeset
|
951 subject_t *parent; |
|
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Observer for mouse events
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parents:
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diff
changeset
|
952 |
|
9ab15ebc9061
Observer for mouse events
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parents:
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diff
changeset
|
953 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
|
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parents:
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|
954 switch(cur_subject->obj_type) { |
|
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diff
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|
955 case OBJT_GEO: |
|
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parents:
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diff
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|
956 geo = (geo_t *)cur_subject->obj; |
|
79
5bcb329a5157
Fix bug of core dump caused by forget to check if parent is NULL, root.
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parents:
75
diff
changeset
|
957 parent_coord = geo->shape->coord; |
|
5bcb329a5157
Fix bug of core dump caused by forget to check if parent is NULL, root.
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parents:
75
diff
changeset
|
958 parent = parent_coord->mouse_event; |
|
73
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diff
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|
959 break; |
|
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diff
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|
960 case OBJT_COORD: |
|
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parents:
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diff
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|
961 coord = (coord_t *)cur_subject->obj; |
|
79
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962 parent_coord = coord->parent; |
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963 if(parent_coord == NULL) { |
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964 parent = NULL; |
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965 break; |
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966 } |
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967 parent = parent_coord->mouse_event; |
|
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968 break; |
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969 default: |
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970 parent = NULL; |
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971 break; |
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972 } |
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973 |
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974 return parent; |
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975 } |
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976 |
| 12 | 977 #ifdef UNITTEST |
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978 /* Test cases */ |
| 12 | 979 |
| 980 #include <CUnit/Basic.h> | |
| 19 | 981 #include "paint.h" |
| 12 | 982 |
| 983 struct _sh_dummy { | |
| 984 shape_t shape; | |
| 985 co_aix x, y; | |
| 986 co_aix w, h; | |
|
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987 int draw_cnt; |
| 12 | 988 }; |
| 989 | |
| 990 shape_t *sh_dummy_new(co_aix x, co_aix y, co_aix w, co_aix h) { | |
| 991 sh_dummy_t *dummy; | |
| 992 | |
| 993 dummy = (sh_dummy_t *)malloc(sizeof(sh_dummy_t)); | |
| 994 if(dummy == NULL) | |
| 995 return NULL; | |
| 996 | |
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997 memset(dummy, 0, sizeof(sh_dummy_t)); |
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998 |
| 12 | 999 dummy->x = x; |
| 1000 dummy->y = y; | |
| 1001 dummy->w = w; | |
| 1002 dummy->h = h; | |
|
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1003 dummy->draw_cnt = 0; |
| 12 | 1004 |
| 1005 return (shape_t *)dummy; | |
| 1006 } | |
| 1007 | |
| 1008 void sh_dummy_free(shape_t *sh) { | |
| 1009 free(sh); | |
| 1010 } | |
| 1011 | |
| 1012 void sh_dummy_transform(shape_t *shape) { | |
| 1013 sh_dummy_t *dummy = (sh_dummy_t *)shape; | |
| 1014 co_aix poses[2][2]; | |
| 1015 co_aix x1, y1, x2, y2; | |
| 1016 | |
| 1017 if(shape->geo && shape->coord) { | |
| 1018 x1 = dummy->x; | |
| 1019 y1 = dummy->y; | |
| 1020 x2 = x1 + dummy->w; | |
| 1021 y2 = y1 + dummy->h; | |
| 1022 | |
| 1023 coord_trans_pos(shape->coord, &x1, &y1); | |
| 1024 coord_trans_pos(shape->coord, &x2, &y2); | |
| 1025 poses[0][0] = x1; | |
| 1026 poses[0][1] = y1; | |
| 1027 poses[1][0] = x2; | |
| 1028 poses[1][1] = y2; | |
| 1029 | |
|
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1030 if(shape->geo) |
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1031 geo_from_positions(shape->geo, 2, poses); |
| 12 | 1032 } |
| 1033 } | |
| 1034 | |
|
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1035 void sh_dummy_fill(shape_t *shape, cairo_t *cr) { |
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1036 sh_dummy_t *dummy; |
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1037 |
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1038 dummy = (sh_dummy_t *)shape; |
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1039 dummy->draw_cnt++; |
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1040 } |
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1041 |
| 19 | 1042 static void dummy_paint_prepare(paint_t *paint, cairo_t *cr) { |
| 1043 } | |
| 1044 | |
| 1045 static void dummy_paint_free(paint_t *paint) { | |
| 1046 if(paint) | |
| 1047 free(paint); | |
| 1048 } | |
| 1049 | |
| 1050 paint_t *dummy_paint_new(redraw_man_t *rdman) { | |
| 1051 paint_t *paint; | |
| 1052 | |
| 1053 paint = (paint_t *)malloc(sizeof(paint_t)); | |
| 1054 if(paint == NULL) | |
| 1055 return NULL; | |
| 1056 | |
| 1057 paint_init(paint, dummy_paint_prepare, dummy_paint_free); | |
| 1058 | |
| 1059 return paint; | |
| 1060 } | |
| 1061 | |
| 12 | 1062 void test_rdman_find_overlaid_shapes(void) { |
| 1063 redraw_man_t rdman; | |
| 1064 geo_t geo; | |
| 1065 coord_t *coords[3]; | |
| 1066 shape_t *shapes[5]; | |
| 1067 geo_t **overlays; | |
| 13 | 1068 co_aix pos[2][2]; |
| 12 | 1069 int n; |
| 1070 int i; | |
| 1071 | |
|
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1072 redraw_man_init(&rdman, NULL, NULL); |
| 12 | 1073 coords[0] = rdman.root_coord; |
| 1074 for(i = 1; i < 3; i++) { | |
| 1075 coords[i] = rdman_coord_new(&rdman, rdman.root_coord); | |
| 1076 } | |
| 1077 for(i = 0; i < 5; i++) { | |
| 1078 shapes[i] = sh_dummy_new(10 + i * 30, 10 + i * 20, 25, 15); | |
| 1079 CU_ASSERT(shapes[i] != NULL); | |
| 1080 } | |
| 1081 for(i = 0; i < 3; i++) | |
| 1082 rdman_add_shape(&rdman, shapes[i], coords[1]); | |
| 1083 for(i = 3; i < 5; i++) | |
| 1084 rdman_add_shape(&rdman, shapes[i], coords[2]); | |
| 1085 | |
| 1086 coords[1]->matrix[0] = 2; | |
| 1087 coords[0]->matrix[4] = 2; | |
| 1088 | |
| 1089 update_aggr_matrix(coords[0]); | |
| 1090 for(i = 0; i < 5; i++) | |
| 1091 sh_dummy_transform(shapes[i]); | |
| 1092 | |
| 13 | 1093 pos[0][0] = 100; |
| 1094 pos[0][1] = 120; | |
| 1095 pos[1][0] = 100 + 140; | |
| 1096 pos[1][1] = 120 + 40; | |
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1097 geo_init(&geo); |
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1098 geo_from_positions(&geo, 2, pos); |
| 12 | 1099 |
| 1100 n = rdman_find_overlaid_shapes(&rdman, &geo, &overlays); | |
| 1101 CU_ASSERT(n == 2); | |
| 1102 CU_ASSERT(overlays != NULL); | |
| 1103 CU_ASSERT(overlays[0] == shapes[2]->geo); | |
| 1104 CU_ASSERT(overlays[1] == shapes[3]->geo); | |
| 1105 | |
| 1106 free(overlays); | |
| 1107 for(i = 0; i < 5; i++) | |
| 1108 sh_dummy_free(shapes[i]); | |
| 1109 | |
| 1110 redraw_man_destroy(&rdman); | |
| 1111 } | |
| 1112 | |
|
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1113 void test_rdman_redraw_changed(void) { |
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1114 coord_t *coords[3]; |
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1115 shape_t *shapes[3]; |
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1116 sh_dummy_t **dummys; |
| 19 | 1117 paint_t *paint; |
|
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1118 redraw_man_t *rdman; |
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1119 redraw_man_t _rdman; |
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1120 int i; |
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1121 |
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1122 dummys = (sh_dummy_t **)shapes; |
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1123 |
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1124 rdman = &_rdman; |
|
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1125 redraw_man_init(rdman, NULL, NULL); |
| 19 | 1126 paint = dummy_paint_new(rdman); |
|
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1127 for(i = 0; i < 3; i++) { |
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1128 shapes[i] = sh_dummy_new(0, 0, 50, 50); |
| 19 | 1129 rdman_paint_fill(rdman, paint, shapes[i]); |
|
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1130 coords[i] = rdman_coord_new(rdman, rdman->root_coord); |
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1131 coords[i]->matrix[2] = 10 + i * 100; |
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1132 coords[i]->matrix[5] = 10 + i * 100; |
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1133 rdman_coord_changed(rdman, coords[i]); |
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1134 rdman_add_shape(rdman, shapes[i], coords[i]); |
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1135 } |
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1136 rdman_redraw_all(rdman); |
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1137 CU_ASSERT(dummys[0]->draw_cnt == 1); |
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1138 CU_ASSERT(dummys[1]->draw_cnt == 1); |
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1139 CU_ASSERT(dummys[2]->draw_cnt == 1); |
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1140 |
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1141 coords[2]->matrix[2] = 100; |
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1142 coords[2]->matrix[5] = 100; |
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1143 rdman_coord_changed(rdman, coords[2]); |
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1144 rdman_redraw_changed(rdman); |
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1145 |
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1146 CU_ASSERT(dummys[0]->draw_cnt == 1); |
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1147 CU_ASSERT(dummys[1]->draw_cnt == 2); |
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1148 CU_ASSERT(dummys[2]->draw_cnt == 2); |
| 19 | 1149 |
| 1150 paint->free(paint); | |
| 1151 redraw_man_destroy(rdman); | |
|
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1152 } |
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1153 |
| 12 | 1154 CU_pSuite get_redraw_man_suite(void) { |
| 1155 CU_pSuite suite; | |
| 1156 | |
| 1157 suite = CU_add_suite("Suite_redraw_man", NULL, NULL); | |
| 1158 CU_ADD_TEST(suite, test_rdman_find_overlaid_shapes); | |
|
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1159 CU_ADD_TEST(suite, test_rdman_redraw_changed); |
| 12 | 1160 |
| 1161 return suite; | |
| 1162 } | |
| 1163 | |
| 1164 #endif /* UNITTEST */ |