Mercurial > MadButterfly
annotate src/redraw_man.c @ 75:23bc382d9683
find_geo_in_pos() should return shapes that is not hidden
author | Thinker K.F. Li <thinker@branda.to> |
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date | Mon, 18 Aug 2008 23:08:03 +0800 |
parents | 9ab15ebc9061 |
children | 5bcb329a5157 |
rev | line source |
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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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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); |
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46 for(j = i; 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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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); |
12 | 303 elmpool_elm_free(rdman->geo_pool, shape->geo); |
304 sh_detach_geo(shape); | |
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 | |
365 /*! \brief Mark a coord is changed. | |
366 * | |
367 * A changed coord_t object is marked as dirty and put | |
368 * into dirty_coords list. | |
369 */ | |
370 int rdman_coord_changed(redraw_man_t *rdman, coord_t *coord) { | |
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371 coord_t *child; |
13 | 372 int max_dirty_coords; |
373 int r; | |
374 | |
375 if(coord->flags & COF_DIRTY) | |
376 return OK; | |
377 | |
378 if(rdman->n_dirty_coords >= rdman->max_dirty_coords) { | |
379 /* Max of dirty_coords is not big enough. */ | |
380 max_dirty_coords = rdman->max_dirty_coords + 16; | |
381 | |
382 r = extend_memblk((void **)&rdman->dirty_coords, | |
383 sizeof(coord_t *) * rdman->n_dirty_coords, | |
384 sizeof(coord_t *) * max_dirty_coords); | |
385 rdman->max_dirty_coords = max_dirty_coords; | |
386 } | |
387 | |
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388 /* Make the coord and child coords dirty. */ |
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389 for(child = coord; |
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390 child != NULL; |
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391 child = preorder_coord_subtree(coord, child)) { |
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392 rdman->dirty_coords[rdman->n_dirty_coords++] = coord; |
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393 coord->flags |= COF_DIRTY; |
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394 } |
13 | 395 |
396 return OK; | |
397 } | |
398 | |
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399 static int _rdman_shape_changed(redraw_man_t *rdman, shape_t *shape) { |
13 | 400 geo_t *geo; |
401 int r; | |
402 | |
403 geo = shape->geo; | |
404 | |
405 if(geo->flags & GEF_DIRTY) | |
406 return OK; | |
407 | |
408 r = add_dirty_geo(rdman, geo); | |
409 if(r == ERR) | |
410 return ERR; | |
411 geo->flags |= GEF_DIRTY; | |
12 | 412 |
413 return OK; | |
414 } | |
415 | |
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416 /*! \brief Mark a shape is changed. |
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417 * |
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418 * The geo_t object of a changed shape is mark as dirty and |
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419 * put into dirty_geos list. |
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420 */ |
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421 int rdman_shape_changed(redraw_man_t *rdman, shape_t *shape) { |
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422 return _rdman_shape_changed(rdman, shape); |
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423 } |
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424 |
29 | 425 int rdman_paint_changed(redraw_man_t *rdman, paint_t *paint) { |
426 shnode_t *node; | |
427 int r; | |
428 | |
429 for(node = STAILQ_HEAD(paint->members); | |
430 node != NULL; | |
431 node = STAILQ_NEXT(shnode_t, next, node)) { | |
432 r = _rdman_shape_changed(rdman, node->shape); | |
433 if(r != OK) | |
434 return ERR; | |
435 } | |
436 return OK; | |
437 } | |
438 | |
28 | 439 /* Clean dirties */ |
440 | |
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441 static int is_coord_subtree_hidden(coord_t *coord) { |
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442 while(coord) { |
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443 if(coord->flags & COF_HIDDEN) |
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444 return 1; |
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445 coord = coord->parent; |
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38
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|
446 } |
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Ability to hidden shapes and action of visibility.
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parents:
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|
447 return 0; |
ab028c9f0930
Ability to hidden shapes and action of visibility.
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parents:
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|
448 } |
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parents:
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diff
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|
449 |
28 | 450 static void clean_shape(shape_t *shape) { |
451 switch(shape->sh_type) { | |
452 case SHT_PATH: | |
453 sh_path_transform(shape); | |
454 break; | |
455 case SHT_TEXT: | |
456 sh_text_transform(shape); | |
457 break; | |
35
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Support rectangle tag of SVG.
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|
458 case SHT_RECT: |
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Support rectangle tag of SVG.
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parents:
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|
459 sh_rect_transform(shape); |
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Support rectangle tag of SVG.
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parents:
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diff
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|
460 break; |
28 | 461 #ifdef UNITTEST |
462 default: | |
463 sh_dummy_transform(shape); | |
464 break; | |
465 #endif /* UNITTEST */ | |
466 } | |
467 shape->geo->flags &= ~GEF_DIRTY; | |
57
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parents:
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|
468 |
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Ability to hidden shapes and action of visibility.
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parents:
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|
469 if(is_coord_subtree_hidden(shape->coord)) |
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Ability to hidden shapes and action of visibility.
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470 shape->geo->flags |= GEF_HIDDEN; |
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parents:
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|
471 else |
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parents:
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|
472 shape->geo->flags &= ~GEF_HIDDEN; |
28 | 473 } |
474 | |
475 static int clean_coord(coord_t *coord) { | |
476 shape_t *shape; | |
477 geo_t *geo; | |
478 co_aix (*poses)[2]; | |
479 int cnt, pos_cnt; | |
480 | |
481 compute_aggr_of_coord(coord); | |
482 | |
483 /* Clean member shapes. */ | |
484 cnt = 0; | |
485 for(shape = STAILQ_HEAD(coord->members); | |
486 shape != NULL; | |
487 shape = STAILQ_NEXT(shape_t, coord_mem_next, shape)) { | |
488 geo = shape->geo; | |
489 SWAP(geo->cur_area, geo->last_area, area_t *); | |
490 clean_shape(shape); | |
491 cnt++; | |
492 } | |
493 | |
494 /* Compute area of the coord. */ | |
495 poses = (co_aix (*)[2])malloc(sizeof(co_aix [2]) * 2 * cnt); | |
496 if(poses == NULL) | |
497 return ERR; | |
498 | |
499 pos_cnt = 0; | |
500 for(shape = STAILQ_HEAD(coord->members); | |
501 shape != NULL; | |
502 shape = STAILQ_NEXT(shape_t, coord_mem_next, shape)) { | |
503 geo = shape->geo; | |
504 | |
505 area_to_positions(geo->cur_area, poses + pos_cnt); | |
506 pos_cnt += 2; | |
507 } | |
508 | |
509 SWAP(coord->cur_area, coord->last_area, area_t *); | |
510 area_init(coord->cur_area, pos_cnt, poses); | |
511 free(poses); | |
512 | |
513 coord->flags &= ~COF_DIRTY; | |
514 | |
515 return OK; | |
516 } | |
517 | |
518 static int clean_rdman_coords(redraw_man_t *rdman) { | |
519 coord_t *coord; | |
520 coord_t **dirty_coords; | |
521 int n_dirty_coords; | |
522 int i, r; | |
523 | |
524 n_dirty_coords = rdman->n_dirty_coords; | |
525 if(n_dirty_coords > 0) { | |
526 dirty_coords = rdman->dirty_coords; | |
527 _insert_sort((void **)dirty_coords, n_dirty_coords, | |
528 OFFSET(coord_t, order)); | |
529 for(i = 0; i < n_dirty_coords; i++) { | |
530 coord = dirty_coords[i]; | |
531 if(!(coord->flags & COF_DIRTY)) | |
532 continue; | |
533 r = clean_coord(coord); | |
534 if(r != OK) | |
535 return ERR; | |
536 /* These two steps can be avoided for drawing all. */ | |
537 add_dirty_area(rdman, &coord->areas[0]); | |
538 add_dirty_area(rdman, &coord->areas[1]); | |
539 } | |
540 rdman->n_dirty_coords = 0; | |
541 } | |
542 return OK; | |
543 } | |
544 | |
545 static int clean_rdman_geos(redraw_man_t *rdman) { | |
546 int i; | |
547 int n_dirty_geos; | |
548 geo_t **dirty_geos; | |
549 geo_t *visit_geo; | |
550 | |
551 n_dirty_geos = rdman->n_dirty_geos; | |
552 if(n_dirty_geos > 0) { | |
553 dirty_geos = rdman->dirty_geos; | |
554 for(i = 0; i < n_dirty_geos; i++) { | |
555 visit_geo = dirty_geos[i]; | |
556 if(!(visit_geo->flags & GEF_DIRTY)) | |
557 continue; | |
558 | |
559 SWAP(visit_geo->cur_area, visit_geo->last_area, area_t *); | |
560 clean_shape(visit_geo->shape); | |
561 add_dirty_area(rdman, visit_geo->cur_area); | |
562 add_dirty_area(rdman, visit_geo->last_area); | |
563 } | |
564 rdman->n_dirty_geos = 0; | |
565 } | |
566 | |
567 return OK; | |
568 } | |
569 | |
29 | 570 static int clean_rdman_dirties(redraw_man_t *rdman) { |
571 int r; | |
572 | |
573 r = clean_rdman_coords(rdman); | |
574 if(r != OK) | |
575 return ERR; | |
576 | |
577 r = clean_rdman_geos(rdman); | |
578 if(r != OK) | |
579 return ERR; | |
580 | |
581 return OK; | |
582 } | |
583 | |
584 | |
17
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Unittest for rdman_redraw_changed().
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585 /* Drawing and Redrawing |
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Unittest for rdman_redraw_changed().
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586 * ============================================================ |
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Unittest for rdman_redraw_changed().
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587 */ |
16
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A simple animation using rdman_redraw_changed().
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588 |
26
d50f33040de6
Set line width for path.
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589 #ifndef UNITTEST |
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590 static void set_shape_stroke_param(shape_t *shape, cairo_t *cr) { |
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591 cairo_set_line_width(cr, shape->stroke_width); |
d50f33040de6
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592 } |
33
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Fix bug of demo and remove *_fill() and *_stroke().
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|
593 |
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Fix bug of demo and remove *_fill() and *_stroke().
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|
594 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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|
595 cairo_fill_preserve(rdman->cr); |
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Fix bug of demo and remove *_fill() and *_stroke().
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|
596 } |
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Fix bug of demo and remove *_fill() and *_stroke().
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parents:
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diff
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|
597 |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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|
598 static void fill_path(redraw_man_t *rdman) { |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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599 cairo_fill(rdman->cr); |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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|
600 } |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
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diff
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|
601 |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
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diff
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|
602 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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603 cairo_stroke(rdman->cr); |
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Fix bug of demo and remove *_fill() and *_stroke().
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|
604 } |
26
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
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diff
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|
605 #else |
d50f33040de6
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parents:
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diff
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|
606 static void set_shape_stroke_param(shape_t *shape, cairo_t *cr) { |
d50f33040de6
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diff
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|
607 } |
33
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
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diff
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|
608 |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
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diff
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|
609 static void fill_path_preserve(redraw_man_t *rdman) { |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
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|
610 } |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
611 |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
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|
612 static void fill_path(redraw_man_t *rdman) { |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
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|
613 } |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
614 |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
615 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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parents:
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diff
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|
616 } |
26
d50f33040de6
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parents:
25
diff
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|
617 #endif |
d50f33040de6
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diff
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|
618 |
22 | 619 static void draw_shape(redraw_man_t *rdman, shape_t *shape) { |
620 paint_t *fill, *stroke; | |
18
0f3baa488a62
Support solid color paint for fill.
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parents:
17
diff
changeset
|
621 |
33
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
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diff
changeset
|
622 if(shape->fill || shape->stroke) { |
19 | 623 switch(shape->sh_type) { |
624 case SHT_PATH: | |
33
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
625 sh_path_draw(shape, rdman->cr); |
19 | 626 break; |
27 | 627 case SHT_TEXT: |
33
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
628 sh_text_draw(shape, rdman->cr); |
27 | 629 break; |
35
581a03196093
Support rectangle tag of SVG.
Thinker K.F. Li <thinker@branda.to>
parents:
33
diff
changeset
|
630 case SHT_RECT: |
581a03196093
Support rectangle tag of SVG.
Thinker K.F. Li <thinker@branda.to>
parents:
33
diff
changeset
|
631 sh_rect_draw(shape, rdman->cr); |
581a03196093
Support rectangle tag of SVG.
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parents:
33
diff
changeset
|
632 break; |
17
41f0907b27ac
Unittest for rdman_redraw_changed().
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parents:
16
diff
changeset
|
633 #ifdef UNITTEST |
19 | 634 default: |
20
74d3d5dc9aaa
rename XXX_draw() to XXX_fill()
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parents:
19
diff
changeset
|
635 sh_dummy_fill(shape, rdman->cr); |
19 | 636 break; |
17
41f0907b27ac
Unittest for rdman_redraw_changed().
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parents:
16
diff
changeset
|
637 #endif /* UNITTEST */ |
19 | 638 } |
33
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
639 |
d82749f77108
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parents:
30
diff
changeset
|
640 fill = shape->fill; |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
641 if(shape->fill) { |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
642 fill->prepare(fill, rdman->cr); |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
643 if(shape->stroke) |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
644 fill_path_preserve(rdman); |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
645 else |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
646 fill_path(rdman); |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
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|
647 } |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
648 |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
649 stroke = shape->stroke; |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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|
650 if(stroke) { |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
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diff
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|
651 stroke->prepare(stroke, rdman->cr); |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
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|
652 set_shape_stroke_param(shape, rdman->cr); |
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
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|
653 stroke_path(rdman); |
22 | 654 } |
655 } | |
13 | 656 } |
657 | |
17
41f0907b27ac
Unittest for rdman_redraw_changed().
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parents:
16
diff
changeset
|
658 #ifndef UNITTEST |
25
29937c26bb01
Fix bug of a dark line appear when animating.
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parents:
24
diff
changeset
|
659 static void clean_canvas(cairo_t *cr) { |
58 | 660 /*! \todo clean to background color. */ |
16
e17e12b112c4
A simple animation using rdman_redraw_changed().
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parents:
15
diff
changeset
|
661 cairo_set_source_rgb(cr, 0, 0, 0); |
24
e598bc809c0f
No more flash when animation.
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parents:
23
diff
changeset
|
662 cairo_paint(cr); |
16
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
663 } |
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
664 |
24
e598bc809c0f
No more flash when animation.
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parents:
23
diff
changeset
|
665 static void make_clip(cairo_t *cr, int n_dirty_areas, |
15
c2ce186a5c37
X_main uses rdman_redraw_all()
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parents:
14
diff
changeset
|
666 area_t **dirty_areas) { |
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
667 int i; |
c2ce186a5c37
X_main uses rdman_redraw_all()
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parents:
14
diff
changeset
|
668 area_t *area; |
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
669 |
c2ce186a5c37
X_main uses rdman_redraw_all()
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parents:
14
diff
changeset
|
670 for(i = 0; i < n_dirty_areas; i++) { |
c2ce186a5c37
X_main uses rdman_redraw_all()
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parents:
14
diff
changeset
|
671 area = dirty_areas[i]; |
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
672 cairo_rectangle(cr, area->x, area->y, area->w, area->h); |
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
673 } |
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
674 cairo_clip(cr); |
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
675 } |
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
676 |
17
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
677 static void reset_clip(redraw_man_t *rdman) { |
24
e598bc809c0f
No more flash when animation.
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parents:
23
diff
changeset
|
678 cairo_reset_clip(rdman->backend); |
e598bc809c0f
No more flash when animation.
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parents:
23
diff
changeset
|
679 } |
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
680 |
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
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681 static void copy_cr_2_backend(redraw_man_t *rdman, int n_dirty_areas, |
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682 area_t **dirty_areas) { |
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683 if(n_dirty_areas) |
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684 make_clip(rdman->backend, n_dirty_areas, dirty_areas); |
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685 |
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686 cairo_paint(rdman->backend); |
17
41f0907b27ac
Unittest for rdman_redraw_changed().
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687 } |
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Unittest for rdman_redraw_changed().
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688 #else /* UNITTEST */ |
25
29937c26bb01
Fix bug of a dark line appear when animating.
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parents:
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689 static void clean_canvas(cairo_t *cr) { |
24
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690 } |
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No more flash when animation.
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691 |
17
41f0907b27ac
Unittest for rdman_redraw_changed().
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692 static void reset_clip(redraw_man_t *rdman) { |
41f0907b27ac
Unittest for rdman_redraw_changed().
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parents:
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693 } |
24
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No more flash when animation.
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parents:
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694 |
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No more flash when animation.
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695 static void copy_cr_2_backend(redraw_man_t *rdman, int n_dirty_areas, |
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696 area_t **dirty_areas) { |
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697 } |
17
41f0907b27ac
Unittest for rdman_redraw_changed().
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698 #endif /* UNITTEST */ |
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Unittest for rdman_redraw_changed().
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699 |
22 | 700 static void draw_shapes_in_areas(redraw_man_t *rdman, |
15
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X_main uses rdman_redraw_all()
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parents:
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701 int n_areas, |
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X_main uses rdman_redraw_all()
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parents:
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702 area_t **areas) { |
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X_main uses rdman_redraw_all()
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parents:
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703 geo_t *visit_geo; |
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X_main uses rdman_redraw_all()
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parents:
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704 int i; |
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X_main uses rdman_redraw_all()
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parents:
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705 |
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X_main uses rdman_redraw_all()
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parents:
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|
706 for(visit_geo = STAILQ_HEAD(rdman->all_geos); |
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X_main uses rdman_redraw_all()
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parents:
14
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707 visit_geo != NULL; |
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X_main uses rdman_redraw_all()
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parents:
14
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708 visit_geo = STAILQ_NEXT(geo_t, next, visit_geo)) { |
16
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A simple animation using rdman_redraw_changed().
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parents:
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709 if(visit_geo->flags & GEF_DIRTY) |
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A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
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710 clean_shape(visit_geo->shape); |
57
ab028c9f0930
Ability to hidden shapes and action of visibility.
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parents:
38
diff
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|
711 if(visit_geo->flags & GEF_HIDDEN) |
ab028c9f0930
Ability to hidden shapes and action of visibility.
Thinker K.F. Li <thinker@branda.to>
parents:
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712 continue; |
15
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
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713 for(i = 0; i < n_areas; i++) { |
c2ce186a5c37
X_main uses rdman_redraw_all()
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parents:
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714 if(is_overlay(visit_geo->cur_area, areas[i])) { |
22 | 715 draw_shape(rdman, visit_geo->shape); |
15
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X_main uses rdman_redraw_all()
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parents:
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716 break; |
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X_main uses rdman_redraw_all()
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parents:
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717 } |
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X_main uses rdman_redraw_all()
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parents:
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718 } |
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X_main uses rdman_redraw_all()
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parents:
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719 } |
13 | 720 } |
721 | |
24
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722 |
13 | 723 /*! \brief Re-draw all changed shapes or shapes affected by changed coords. |
724 * | |
725 * A coord object has a geo to keep track the range that it's members will | |
726 * draw on. Geo of a coord should be recomputed when the coord is changed. | |
727 * Geo of a coord used to accelerate finding overlay shape objects of | |
728 * a specified geo. A coord object also must be recomputed when one of | |
729 * it's members is changed. | |
730 * | |
731 * New and old geo values of a coord object that is recomputed for | |
732 * changing of it-self must be used to find overlay shape objects. | |
733 * New and old geo values of a shape should also be used to find | |
734 * overlay shape objects, too. If a shape's coord is changed, shape's | |
735 * geo object is not used to find overlay shape objects any more. | |
736 * | |
737 * steps: | |
738 * - update chagned coord objects | |
14 | 739 * - recompute area for changed coord objects |
13 | 740 * - recompute geo for members shape objects |
14 | 741 * - clear dirty of geo for members to prevent from |
742 * recomputing for change of shape objects. | |
743 * - add old and new area value to list of dirty areas. | |
13 | 744 * - recompute geo for changed shape objects |
14 | 745 * - only if a shape object is dirty. |
746 * - put new and old value of area of geo to list of dirty areas. | |
747 * - Scan all shapes and redraw shapes overlaid with dirty areas. | |
13 | 748 * |
14 | 749 * dirty flag of coord objects is cleared after update. |
15
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X_main uses rdman_redraw_all()
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parents:
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750 * dirty flag of geo objects is also cleared after recomputing. |
c2ce186a5c37
X_main uses rdman_redraw_all()
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parents:
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751 * Clean dirty flag can prevent redundant computing for geo and |
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X_main uses rdman_redraw_all()
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parents:
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752 * corod objects. |
14 | 753 * |
13 | 754 */ |
755 int rdman_redraw_changed(redraw_man_t *rdman) { | |
28 | 756 int r; |
13 | 757 int n_dirty_areas; |
14 | 758 area_t **dirty_areas; |
13 | 759 |
29 | 760 r = clean_rdman_dirties(rdman); |
16
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A simple animation using rdman_redraw_changed().
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parents:
15
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761 if(r != OK) |
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A simple animation using rdman_redraw_changed().
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parents:
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762 return ERR; |
13 | 763 |
15
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X_main uses rdman_redraw_all()
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parents:
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764 n_dirty_areas = rdman->n_dirty_areas; |
c2ce186a5c37
X_main uses rdman_redraw_all()
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parents:
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765 dirty_areas = rdman->dirty_areas; |
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
766 if(n_dirty_areas > 0) { |
25
29937c26bb01
Fix bug of a dark line appear when animating.
Thinker K.F. Li <thinker@branda.to>
parents:
24
diff
changeset
|
767 clean_canvas(rdman->cr); |
22 | 768 draw_shapes_in_areas(rdman, n_dirty_areas, dirty_areas); |
24
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parents:
23
diff
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|
769 copy_cr_2_backend(rdman, rdman->n_dirty_areas, rdman->dirty_areas); |
15
c2ce186a5c37
X_main uses rdman_redraw_all()
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parents:
14
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|
770 rdman->n_dirty_areas = 0; |
17
41f0907b27ac
Unittest for rdman_redraw_changed().
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parents:
16
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|
771 reset_clip(rdman); |
15
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X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
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diff
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|
772 } |
16
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A simple animation using rdman_redraw_changed().
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parents:
15
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773 rdman->n_dirty_areas = 0; |
e17e12b112c4
A simple animation using rdman_redraw_changed().
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parents:
15
diff
changeset
|
774 |
15
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X_main uses rdman_redraw_all()
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parents:
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|
775 return OK; |
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X_main uses rdman_redraw_all()
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parents:
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diff
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|
776 } |
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X_main uses rdman_redraw_all()
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parents:
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diff
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|
777 |
38 | 778 /* NOTE: Before redrawing, the canvas/surface must be cleaned. |
779 * NOTE: After redrawing, the content must be copied to the backend surface. | |
780 */ | |
781 | |
15
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X_main uses rdman_redraw_all()
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parents:
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diff
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|
782 int rdman_redraw_all(redraw_man_t *rdman) { |
c2ce186a5c37
X_main uses rdman_redraw_all()
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parents:
14
diff
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|
783 geo_t *geo; |
29 | 784 int r; |
15
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X_main uses rdman_redraw_all()
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parents:
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diff
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|
785 |
29 | 786 r = clean_rdman_dirties(rdman); |
787 if(r != OK) | |
788 return ERR; | |
16
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A simple animation using rdman_redraw_changed().
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parents:
15
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789 |
37 | 790 clean_canvas(rdman->cr); |
791 | |
15
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X_main uses rdman_redraw_all()
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parents:
14
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changeset
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792 for(geo = STAILQ_HEAD(rdman->all_geos); |
c2ce186a5c37
X_main uses rdman_redraw_all()
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parents:
14
diff
changeset
|
793 geo != NULL; |
c2ce186a5c37
X_main uses rdman_redraw_all()
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parents:
14
diff
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|
794 geo = STAILQ_NEXT(geo_t, next, geo)) { |
57
ab028c9f0930
Ability to hidden shapes and action of visibility.
Thinker K.F. Li <thinker@branda.to>
parents:
38
diff
changeset
|
795 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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|
796 continue; |
22 | 797 draw_shape(rdman, geo->shape); |
13 | 798 } |
24
e598bc809c0f
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parents:
23
diff
changeset
|
799 copy_cr_2_backend(rdman, 0, NULL); |
29 | 800 rdman->n_dirty_areas = 0; |
13 | 801 |
802 return OK; | |
12 | 803 } |
804 | |
37 | 805 int rdman_redraw_area(redraw_man_t *rdman, co_aix x, co_aix y, |
806 co_aix w, co_aix h) { | |
807 area_t area; | |
808 int r; | |
809 | |
810 area.x = x; | |
811 area.y = y; | |
812 area.w = w; | |
813 area.h = h; | |
814 add_dirty_area(rdman, &area); | |
815 | |
816 r = rdman_redraw_changed(rdman); | |
817 | |
818 return r; | |
819 } | |
820 | |
30
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
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parents:
29
diff
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|
821 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:
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diff
changeset
|
822 int r; |
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
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parents:
29
diff
changeset
|
823 |
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
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parents:
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diff
changeset
|
824 r = clean_rdman_dirties(rdman); |
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
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parents:
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diff
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|
825 |
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
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parents:
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diff
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|
826 return r; |
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
Thinker K.F. Li <thinker@branda.to>
parents:
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diff
changeset
|
827 } |
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
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parents:
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diff
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|
828 |
18
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
changeset
|
829 shnode_t *shnode_new(redraw_man_t *rdman, shape_t *shape) { |
0f3baa488a62
Support solid color paint for fill.
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parents:
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diff
changeset
|
830 shnode_t *node; |
0f3baa488a62
Support solid color paint for fill.
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parents:
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diff
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|
831 |
0f3baa488a62
Support solid color paint for fill.
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parents:
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changeset
|
832 node = (shnode_t *)elmpool_elm_alloc(rdman->shnode_pool); |
0f3baa488a62
Support solid color paint for fill.
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parents:
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diff
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833 if(node) { |
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Support solid color paint for fill.
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parents:
17
diff
changeset
|
834 node->shape = shape; |
0f3baa488a62
Support solid color paint for fill.
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parents:
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diff
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|
835 node->next = NULL; |
0f3baa488a62
Support solid color paint for fill.
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parents:
17
diff
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|
836 } |
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
changeset
|
837 return 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.
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parents:
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diff
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|
839 |
12 | 840 /* |
16
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A simple animation using rdman_redraw_changed().
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parents:
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|
841 * Dirty of geo |
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
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diff
changeset
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842 * 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
|
843 * 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
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|
844 * dirty geos are marked as dirty and put into dirty_geos list. |
e17e12b112c4
A simple animation using rdman_redraw_changed().
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parents:
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diff
changeset
|
845 * 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
|
846 * size, and positions. |
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A simple animation using rdman_redraw_changed().
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parents:
15
diff
changeset
|
847 * |
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A simple animation using rdman_redraw_changed().
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parents:
15
diff
changeset
|
848 * Dirty of coord |
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
849 * 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
|
850 * 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
|
851 * 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
|
852 * 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
|
853 * 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
|
854 * 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
|
855 * area of the coord. The changes of a coord also affect child |
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856 * coords. Once parent is dirty, all children are also dirty for |
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857 * their aggregate matrix out of date. Dirty coords should be |
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858 * clean in preorder of tree traversal. The dirty_coords list |
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859 * are sorted to keep the order before cleaning. |
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860 * Whenever a coord is marked dirty and put into dirty_coords list, |
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861 * all it's children should also be marked and put. |
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862 * |
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863 * The procedure of clean coords comprises recomputing aggregate |
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864 * tranform matrix and area where members spreading in. |
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865 * |
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866 * The list is inspected before drawing to recompute new shape, size, |
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867 * and positions of member geos of coords in the list. The drity |
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868 * flag of member geos will be clean. |
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869 * |
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870 * Clean coords should be performed before clean geos, since clean |
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871 * coords will also clean member geos. |
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872 */ |
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873 |
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874 /* |
12 | 875 * When redraw an area, the affected elements may also extend to |
876 * outside of the area. Since the order of drawing will change | |
877 * the result, it will infect more and more elements to keep | |
878 * drawing order althrough they are overlaid directly with | |
879 * specified area. | |
880 * | |
881 * To fix the problem, we don't extend the set of redrawing to | |
882 * elements they are not overliad directly. The redrawing is | |
883 * performed on a temporary surface, clipped to fit the area, and | |
884 * update only specified area on the destinate surface. | |
885 */ | |
886 | |
887 /* | |
888 * To accelerate speed of transformation, when a matrix changed, | |
889 * transformation should be aggregated and computed in a loop. | |
890 * It can get intereset of higher hit rate of cache. | |
891 * - shapes prvoide list of positions needed to be transformed. | |
892 * - redraw_man transforms positions from shapes. | |
893 * - shapes drawing with result of transforms. | |
894 * - shapes should be called to give them a chance to update geometries. | |
895 */ | |
896 | |
13 | 897 /* |
898 * functions: | |
899 * - redraw all | |
900 * - redraw changed | |
901 */ | |
902 | |
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903 /* Implment factory and strategy functions for observers and subjects. |
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904 */ |
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905 static subject_t *ob_subject_alloc(ob_factory_t *factory) { |
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906 redraw_man_t *rdman; |
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907 subject_t *subject; |
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908 |
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909 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
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910 subject = elmpool_elm_alloc(rdman->subject_pool); |
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911 |
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912 return subject; |
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913 } |
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914 |
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915 static void ob_subject_free(ob_factory_t *factory, subject_t *subject) { |
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916 redraw_man_t *rdman; |
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917 |
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918 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
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919 elmpool_elm_free(rdman->subject_pool, subject); |
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920 } |
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921 |
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922 static observer_t *ob_observer_alloc(ob_factory_t *factory) { |
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923 redraw_man_t *rdman; |
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924 observer_t *observer; |
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925 |
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926 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
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927 observer = elmpool_elm_alloc(rdman->observer_pool); |
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928 |
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929 return observer; |
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930 } |
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931 |
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932 static void ob_observer_free(ob_factory_t *factory, observer_t *observer) { |
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933 redraw_man_t *rdman; |
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934 |
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935 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
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936 elmpool_elm_free(rdman->observer_pool, observer); |
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937 } |
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938 |
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939 static subject_t *ob_get_parent_subject(ob_factory_t *factory, |
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940 subject_t *cur_subject) { |
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941 redraw_man_t *rdman; |
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942 coord_t *coord; |
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943 geo_t *geo; |
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944 subject_t *parent; |
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945 |
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946 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
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947 switch(cur_subject->obj_type) { |
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948 case OBJT_GEO: |
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949 geo = (geo_t *)cur_subject->obj; |
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950 coord = geo->shape->coord; |
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951 parent = coord->mouse_event; |
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952 break; |
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953 case OBJT_COORD: |
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954 coord = (coord_t *)cur_subject->obj; |
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955 coord = coord->parent; |
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956 parent = coord->mouse_event; |
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957 break; |
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958 default: |
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959 parent = NULL; |
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960 break; |
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961 } |
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962 |
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963 return parent; |
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964 } |
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965 |
12 | 966 #ifdef UNITTEST |
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967 /* Test cases */ |
12 | 968 |
969 #include <CUnit/Basic.h> | |
19 | 970 #include "paint.h" |
12 | 971 |
972 struct _sh_dummy { | |
973 shape_t shape; | |
974 co_aix x, y; | |
975 co_aix w, h; | |
17
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976 int draw_cnt; |
12 | 977 }; |
978 | |
979 shape_t *sh_dummy_new(co_aix x, co_aix y, co_aix w, co_aix h) { | |
980 sh_dummy_t *dummy; | |
981 | |
982 dummy = (sh_dummy_t *)malloc(sizeof(sh_dummy_t)); | |
983 if(dummy == NULL) | |
984 return NULL; | |
985 | |
17
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986 memset(dummy, 0, sizeof(sh_dummy_t)); |
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987 |
12 | 988 dummy->x = x; |
989 dummy->y = y; | |
990 dummy->w = w; | |
991 dummy->h = h; | |
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992 dummy->draw_cnt = 0; |
12 | 993 |
994 return (shape_t *)dummy; | |
995 } | |
996 | |
997 void sh_dummy_free(shape_t *sh) { | |
998 free(sh); | |
999 } | |
1000 | |
1001 void sh_dummy_transform(shape_t *shape) { | |
1002 sh_dummy_t *dummy = (sh_dummy_t *)shape; | |
1003 co_aix poses[2][2]; | |
1004 co_aix x1, y1, x2, y2; | |
1005 | |
1006 if(shape->geo && shape->coord) { | |
1007 x1 = dummy->x; | |
1008 y1 = dummy->y; | |
1009 x2 = x1 + dummy->w; | |
1010 y2 = y1 + dummy->h; | |
1011 | |
1012 coord_trans_pos(shape->coord, &x1, &y1); | |
1013 coord_trans_pos(shape->coord, &x2, &y2); | |
1014 poses[0][0] = x1; | |
1015 poses[0][1] = y1; | |
1016 poses[1][0] = x2; | |
1017 poses[1][1] = y2; | |
1018 | |
17
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1019 if(shape->geo) |
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1020 geo_from_positions(shape->geo, 2, poses); |
12 | 1021 } |
1022 } | |
1023 | |
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1024 void sh_dummy_fill(shape_t *shape, cairo_t *cr) { |
17
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1025 sh_dummy_t *dummy; |
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1026 |
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1027 dummy = (sh_dummy_t *)shape; |
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1028 dummy->draw_cnt++; |
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1029 } |
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1030 |
19 | 1031 static void dummy_paint_prepare(paint_t *paint, cairo_t *cr) { |
1032 } | |
1033 | |
1034 static void dummy_paint_free(paint_t *paint) { | |
1035 if(paint) | |
1036 free(paint); | |
1037 } | |
1038 | |
1039 paint_t *dummy_paint_new(redraw_man_t *rdman) { | |
1040 paint_t *paint; | |
1041 | |
1042 paint = (paint_t *)malloc(sizeof(paint_t)); | |
1043 if(paint == NULL) | |
1044 return NULL; | |
1045 | |
1046 paint_init(paint, dummy_paint_prepare, dummy_paint_free); | |
1047 | |
1048 return paint; | |
1049 } | |
1050 | |
12 | 1051 void test_rdman_find_overlaid_shapes(void) { |
1052 redraw_man_t rdman; | |
1053 geo_t geo; | |
1054 coord_t *coords[3]; | |
1055 shape_t *shapes[5]; | |
1056 geo_t **overlays; | |
13 | 1057 co_aix pos[2][2]; |
12 | 1058 int n; |
1059 int i; | |
1060 | |
24
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1061 redraw_man_init(&rdman, NULL, NULL); |
12 | 1062 coords[0] = rdman.root_coord; |
1063 for(i = 1; i < 3; i++) { | |
1064 coords[i] = rdman_coord_new(&rdman, rdman.root_coord); | |
1065 } | |
1066 for(i = 0; i < 5; i++) { | |
1067 shapes[i] = sh_dummy_new(10 + i * 30, 10 + i * 20, 25, 15); | |
1068 CU_ASSERT(shapes[i] != NULL); | |
1069 } | |
1070 for(i = 0; i < 3; i++) | |
1071 rdman_add_shape(&rdman, shapes[i], coords[1]); | |
1072 for(i = 3; i < 5; i++) | |
1073 rdman_add_shape(&rdman, shapes[i], coords[2]); | |
1074 | |
1075 coords[1]->matrix[0] = 2; | |
1076 coords[0]->matrix[4] = 2; | |
1077 | |
1078 update_aggr_matrix(coords[0]); | |
1079 for(i = 0; i < 5; i++) | |
1080 sh_dummy_transform(shapes[i]); | |
1081 | |
13 | 1082 pos[0][0] = 100; |
1083 pos[0][1] = 120; | |
1084 pos[1][0] = 100 + 140; | |
1085 pos[1][1] = 120 + 40; | |
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1086 geo_init(&geo); |
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1087 geo_from_positions(&geo, 2, pos); |
12 | 1088 |
1089 n = rdman_find_overlaid_shapes(&rdman, &geo, &overlays); | |
1090 CU_ASSERT(n == 2); | |
1091 CU_ASSERT(overlays != NULL); | |
1092 CU_ASSERT(overlays[0] == shapes[2]->geo); | |
1093 CU_ASSERT(overlays[1] == shapes[3]->geo); | |
1094 | |
1095 free(overlays); | |
1096 for(i = 0; i < 5; i++) | |
1097 sh_dummy_free(shapes[i]); | |
1098 | |
1099 redraw_man_destroy(&rdman); | |
1100 } | |
1101 | |
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1102 void test_rdman_redraw_changed(void) { |
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1103 coord_t *coords[3]; |
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1104 shape_t *shapes[3]; |
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1105 sh_dummy_t **dummys; |
19 | 1106 paint_t *paint; |
17
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1107 redraw_man_t *rdman; |
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1108 redraw_man_t _rdman; |
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1109 int i; |
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1110 |
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1111 dummys = (sh_dummy_t **)shapes; |
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1112 |
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1113 rdman = &_rdman; |
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1114 redraw_man_init(rdman, NULL, NULL); |
19 | 1115 paint = dummy_paint_new(rdman); |
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1116 for(i = 0; i < 3; i++) { |
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1117 shapes[i] = sh_dummy_new(0, 0, 50, 50); |
19 | 1118 rdman_paint_fill(rdman, paint, shapes[i]); |
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1119 coords[i] = rdman_coord_new(rdman, rdman->root_coord); |
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1120 coords[i]->matrix[2] = 10 + i * 100; |
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1121 coords[i]->matrix[5] = 10 + i * 100; |
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1122 rdman_coord_changed(rdman, coords[i]); |
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1123 rdman_add_shape(rdman, shapes[i], coords[i]); |
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1124 } |
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1125 rdman_redraw_all(rdman); |
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1126 CU_ASSERT(dummys[0]->draw_cnt == 1); |
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1127 CU_ASSERT(dummys[1]->draw_cnt == 1); |
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1128 CU_ASSERT(dummys[2]->draw_cnt == 1); |
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1129 |
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1130 coords[2]->matrix[2] = 100; |
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1131 coords[2]->matrix[5] = 100; |
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1132 rdman_coord_changed(rdman, coords[2]); |
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1133 rdman_redraw_changed(rdman); |
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1134 |
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1135 CU_ASSERT(dummys[0]->draw_cnt == 1); |
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1136 CU_ASSERT(dummys[1]->draw_cnt == 2); |
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1137 CU_ASSERT(dummys[2]->draw_cnt == 2); |
19 | 1138 |
1139 paint->free(paint); | |
1140 redraw_man_destroy(rdman); | |
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1141 } |
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1142 |
12 | 1143 CU_pSuite get_redraw_man_suite(void) { |
1144 CU_pSuite suite; | |
1145 | |
1146 suite = CU_add_suite("Suite_redraw_man", NULL, NULL); | |
1147 CU_ADD_TEST(suite, test_rdman_find_overlaid_shapes); | |
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1148 CU_ADD_TEST(suite, test_rdman_redraw_changed); |
12 | 1149 |
1150 return suite; | |
1151 } | |
1152 | |
1153 #endif /* UNITTEST */ |