Mercurial > MadButterfly
annotate src/redraw_man.c @ 154:6ce68c1f7405
Tank can fire bullet.
1. Add the redraw subject on redraw_man_t.
2. mb_c_source.m4 & mb_c_header.m4 are changed to free & remove shapes.
3. Add rdman_coord_subtree_free() to remove a subtree of coords.
4. Fix bug of rdman_remove_shape().
| author | Thinker K.F. Li <thinker@branda.to> |
|---|---|
| date | Tue, 30 Sep 2008 02:44:06 +0800 |
| parents | 2b316b5d65f9 |
| children | c1cdd3fcd28f |
| rev | line source |
|---|---|
| 12 | 1 #include <stdio.h> |
| 2 #include <stdlib.h> | |
| 3 #include <string.h> | |
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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 | |
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18 #define ARRAY_EXT_SZ 64 |
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19 |
| 13 | 20 #define SWAP(a, b, t) do { t c; c = a; a = b; b = c; } while(0) |
| 21 | |
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22 #ifdef UNITTEST |
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23 typedef struct _sh_dummy sh_dummy_t; |
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24 |
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25 extern void sh_dummy_transform(shape_t *shape); |
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26 extern void sh_dummy_fill(shape_t *, cairo_t *); |
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27 #endif /* UNITTEST */ |
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28 |
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29 static subject_t *ob_subject_alloc(ob_factory_t *factory); |
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30 static void ob_subject_free(ob_factory_t *factory, subject_t *subject); |
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31 static observer_t *ob_observer_alloc(ob_factory_t *factory); |
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32 static void ob_observer_free(ob_factory_t *factory, observer_t *observer); |
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33 static subject_t *ob_get_parent_subject(ob_factory_t *factory, |
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34 subject_t *cur_subject); |
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35 /* Functions for children. */ |
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36 #define FORCHILDREN(coord, child) \ |
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37 for((child) = STAILQ_HEAD((coord)->children); \ |
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38 (child) != NULL; \ |
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39 (child) = STAILQ_NEXT(coord_t, sibling, (child))) |
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40 #define NEXT_CHILD(child) STAILQ_NEXT(coord_t, sibling, child) |
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41 #define ADD_CHILD(parent, child) \ |
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42 STAILQ_INS_TAIL((parent)->children, coord_t, sibling, (child)) |
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43 #define RM_CHILD(parent, child) \ |
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44 STAILQ_REMOVE((parent)->children, coord_t, sibling, (child)) |
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45 #define FIRST_CHILD(parent) STAILQ_HEAD((parent)->children) |
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46 |
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47 /* Functions for members. */ |
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48 #define FORMEMBERS(coord, member) \ |
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49 for((member) = STAILQ_HEAD((coord)->members); \ |
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50 (member) != NULL; \ |
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51 (member) = STAILQ_NEXT(geo_t, coord_next, (member))) |
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52 #define NEXT_MEMBER(member) STAILQ_NEXT(geo_t, coord_next, (member)) |
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53 #define ADD_MEMBER(coord, member) \ |
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54 STAILQ_INS_TAIL((coord)->members, geo_t, coord_next, (member)) |
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55 #define RM_MEMBER(coord, member) \ |
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56 STAILQ_REMOVE((coord)->members, geo_t, coord_next, (member)) |
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57 #define FIRST_MEMBER(coord) STAILQ_HEAD((coord)->members) |
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58 |
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59 /*! \brief Sort a list of element by a unsigned integer. |
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60 * |
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61 * The result is in ascend order. The unsigned integers is |
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62 * at offset specified by 'off' from start address of elemnts. |
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63 */ |
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64 static void _insert_sort(void **elms, int num, int off) { |
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65 int i, j; |
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66 unsigned int val; |
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67 void *elm_i; |
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68 |
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69 for(i = 1; i < num; i++) { |
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70 elm_i = elms[i]; |
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71 val = *(unsigned int *)(elm_i + off); |
| 119 | 72 for(j = i; j > 0; j--) { |
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73 if(*(unsigned int *)(elms[j - 1] + off) <= val) |
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74 break; |
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75 elms[j] = elms[j - 1]; |
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76 } |
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77 elms[j] = elm_i; |
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78 } |
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79 } |
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80 |
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81 static int extend_memblk(void **buf, int o_size, int n_size) { |
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82 void *new_buf; |
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83 |
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84 new_buf = realloc(*buf, n_size); |
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85 if(new_buf == NULL) |
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86 return ERR; |
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87 |
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88 *buf = new_buf; |
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89 |
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90 return OK; |
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91 } |
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92 |
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93 static int add_dirty_coord(redraw_man_t *rdman, coord_t *coord) { |
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94 int max_dirty_coords; |
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95 int r; |
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96 |
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97 if(rdman->n_dirty_coords >= rdman->max_dirty_coords) { |
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98 /* Max of dirty_coords is not big enough. */ |
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99 max_dirty_coords = rdman->max_dirty_coords + 16; |
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100 |
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101 r = extend_memblk((void **)&rdman->dirty_coords, |
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102 sizeof(coord_t *) * rdman->n_dirty_coords, |
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103 sizeof(coord_t *) * max_dirty_coords); |
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104 if(r != OK) |
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105 return ERR; |
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106 rdman->max_dirty_coords = max_dirty_coords; |
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107 } |
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108 |
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109 rdman->dirty_coords[rdman->n_dirty_coords++] = coord; |
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110 coord->flags |= COF_DIRTY; |
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111 return OK; |
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112 } |
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113 |
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114 static int add_dirty_geo(redraw_man_t *rdman, geo_t *geo) { |
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115 int max_dirty_geos; |
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116 int r; |
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117 |
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118 if(rdman->n_dirty_geos >= rdman->max_dirty_geos) { |
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119 max_dirty_geos = rdman->max_dirty_geos + ARRAY_EXT_SZ; |
|
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120 r = extend_memblk((void **)&rdman->dirty_geos, |
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A simple animation using rdman_redraw_changed().
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121 sizeof(geo_t *) * rdman->n_dirty_geos, |
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A simple animation using rdman_redraw_changed().
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122 sizeof(geo_t *) * max_dirty_geos); |
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A simple animation using rdman_redraw_changed().
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123 if(r != OK) |
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A simple animation using rdman_redraw_changed().
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124 return ERR; |
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A simple animation using rdman_redraw_changed().
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125 rdman->max_dirty_geos = max_dirty_geos; |
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A simple animation using rdman_redraw_changed().
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126 } |
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A simple animation using rdman_redraw_changed().
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127 |
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128 rdman->dirty_geos[rdman->n_dirty_geos++] = geo; |
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129 return OK; |
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A simple animation using rdman_redraw_changed().
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130 } |
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131 |
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132 static int add_dirty_area(redraw_man_t *rdman, area_t *area) { |
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133 int max_dirty_areas; |
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134 int r; |
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135 |
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136 if(rdman->n_dirty_areas >= rdman->max_dirty_areas) { |
| 37 | 137 /* every geo object and coord object can contribute 2 areas. |
| 138 * rdman_draw_area() may also contribute 1 area. | |
| 139 */ | |
|
139
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140 max_dirty_areas = rdman->max_dirty_areas + ARRAY_EXT_SZ; |
|
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141 r = extend_memblk((void **)&rdman->dirty_areas, |
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142 sizeof(area_t *) * rdman->n_dirty_areas, |
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143 sizeof(area_t *) * max_dirty_areas); |
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144 if(r != OK) |
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145 return ERR; |
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146 rdman->max_dirty_areas = max_dirty_areas; |
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147 } |
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148 |
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149 rdman->dirty_areas[rdman->n_dirty_areas++] = area; |
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150 return OK; |
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151 } |
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152 |
|
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153 static void area_to_positions(area_t *area, co_aix (*poses)[2]) { |
|
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154 poses[0][0] = area->x; |
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155 poses[0][1] = area->y; |
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156 poses[1][0] = area->x + area->w; |
|
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Unittest for rdman_redraw_changed().
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157 poses[1][1] = area->y + area->h;; |
|
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Unittest for rdman_redraw_changed().
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158 } |
|
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Unittest for rdman_redraw_changed().
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159 |
|
138
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160 static cairo_t *new_canvas(redraw_man_t *rdman) { |
|
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161 #ifndef UNITTEST |
|
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162 cairo_t *cr; |
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163 cairo_surface_t *surface, *cr_surface; |
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164 int w, h; |
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165 |
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166 cr_surface = cairo_get_target(rdman->cr); |
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167 w = cairo_image_surface_get_width(cr_surface); |
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168 h = cairo_image_surface_get_height(cr_surface); |
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169 surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
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170 w, h); |
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171 cr = cairo_create(surface); |
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172 |
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173 return cr; |
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174 #else |
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175 return NULL; |
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176 #endif |
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177 } |
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178 |
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179 static void free_canvas(cairo_t *canvas) { |
|
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180 #ifndef UNITTEST |
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181 cairo_destroy(canvas); |
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182 #endif |
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183 } |
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184 |
|
140
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185 static int geo_off_in_coord(geo_t *geo, coord_t *coord) { |
|
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186 int off = 0; |
|
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187 geo_t *vgeo; |
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188 |
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189 FORMEMBERS(coord, vgeo) { |
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190 if(vgeo == geo) |
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191 return off; |
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192 off++; |
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193 } |
|
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194 return -1; |
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195 } |
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196 |
|
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197 static void geo_attach_coord(geo_t *geo, coord_t *coord) { |
|
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198 ADD_MEMBER(coord, geo); |
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199 coord->num_members++; |
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200 } |
|
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201 |
|
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202 static void geo_detach_coord(geo_t *geo, coord_t *coord) { |
|
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203 int off; |
|
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Use macro to simplify the code.
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|
204 coord_t *child; |
|
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205 |
|
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206 off = geo_off_in_coord(geo, coord); |
|
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207 if(off < 0) |
|
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208 return; |
|
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209 FORCHILDREN(coord, child) { |
|
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parents:
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210 if(child->before_pmem >= off) |
|
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211 child->before_pmem--; |
|
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212 } |
|
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213 |
|
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|
214 RM_MEMBER(coord, geo); |
|
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215 coord->num_members--; |
|
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|
216 } |
|
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|
217 |
|
24
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
218 int redraw_man_init(redraw_man_t *rdman, cairo_t *cr, cairo_t *backend) { |
| 12 | 219 extern void redraw_man_destroy(redraw_man_t *rdman); |
|
147
995ee8fd5f1a
Use local static variable to hold position array to reduce using malloc().
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parents:
146
diff
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|
220 extern int _paint_color_size; |
| 12 | 221 |
| 222 memset(rdman, 0, sizeof(redraw_man_t)); | |
| 223 | |
| 224 rdman->geo_pool = elmpool_new(sizeof(geo_t), 128); | |
| 225 if(rdman->geo_pool == NULL) | |
| 226 return ERR; | |
| 227 | |
| 228 rdman->coord_pool = elmpool_new(sizeof(coord_t), 16); | |
| 229 if(rdman->coord_pool == NULL) { | |
| 230 elmpool_free(rdman->geo_pool); | |
| 231 return ERR; | |
| 232 } | |
| 233 | |
|
18
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
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diff
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|
234 rdman->shnode_pool = elmpool_new(sizeof(shnode_t), 16); |
|
0f3baa488a62
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parents:
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|
235 if(rdman->shnode_pool == NULL) { |
|
0f3baa488a62
Support solid color paint for fill.
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parents:
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diff
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|
236 elmpool_free(rdman->geo_pool); |
|
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parents:
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|
237 elmpool_free(rdman->coord_pool); |
|
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
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238 return ERR; |
|
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Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
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diff
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|
239 } |
|
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Thinker K.F. Li <thinker@branda.to>
parents:
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diff
changeset
|
240 |
|
75
23bc382d9683
find_geo_in_pos() should return shapes that is not hidden
Thinker K.F. Li <thinker@branda.to>
parents:
73
diff
changeset
|
241 rdman->observer_pool = elmpool_new(sizeof(observer_t), 32); |
|
73
9ab15ebc9061
Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents:
58
diff
changeset
|
242 if(rdman->observer_pool == NULL) { |
|
9ab15ebc9061
Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents:
58
diff
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|
243 elmpool_free(rdman->geo_pool); |
|
9ab15ebc9061
Observer for mouse events
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parents:
58
diff
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|
244 elmpool_free(rdman->coord_pool); |
|
9ab15ebc9061
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245 elmpool_free(rdman->shnode_pool); |
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246 return ERR; |
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247 } |
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248 |
|
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249 rdman->subject_pool = elmpool_new(sizeof(subject_t), 32); |
|
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250 if(rdman->subject_pool == NULL) { |
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251 elmpool_free(rdman->geo_pool); |
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252 elmpool_free(rdman->coord_pool); |
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253 elmpool_free(rdman->shnode_pool); |
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254 elmpool_free(rdman->observer_pool); |
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255 return ERR; |
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256 } |
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257 |
|
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258 rdman->paint_color_pool = elmpool_new(_paint_color_size, 64); |
|
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259 if(rdman->subject_pool == NULL) { |
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260 elmpool_free(rdman->geo_pool); |
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261 elmpool_free(rdman->coord_pool); |
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262 elmpool_free(rdman->shnode_pool); |
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263 elmpool_free(rdman->observer_pool); |
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264 elmpool_free(rdman->subject_pool); |
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265 return ERR; |
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266 } |
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267 |
|
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268 rdman->ob_factory.subject_alloc = ob_subject_alloc; |
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269 rdman->ob_factory.subject_free = ob_subject_free; |
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270 rdman->ob_factory.observer_alloc = ob_observer_alloc; |
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271 rdman->ob_factory.observer_free = ob_observer_free; |
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272 rdman->ob_factory.get_parent_subject = ob_get_parent_subject; |
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273 |
| 154 | 274 rdman->redraw = |
| 275 subject_new(&rdman->ob_factory, rdman, OBJT_RDMAN); | |
| 276 | |
| 12 | 277 rdman->root_coord = elmpool_elm_alloc(rdman->coord_pool); |
| 278 if(rdman->root_coord == NULL) | |
| 279 redraw_man_destroy(rdman); | |
| 13 | 280 rdman->n_coords = 1; |
| 12 | 281 coord_init(rdman->root_coord, NULL); |
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282 rdman->root_coord->mouse_event = subject_new(&rdman->ob_factory, |
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283 rdman->root_coord, |
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284 OBJT_COORD); |
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285 rdman->root_coord->flags |= COF_OWN_CANVAS; |
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286 rdman->root_coord->canvas = cr; |
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287 rdman->root_coord->opacity = 1; |
| 12 | 288 |
|
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289 rdman->cr = cr; |
|
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290 rdman->backend = backend; |
|
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291 |
| 12 | 292 return OK; |
| 293 } | |
| 294 | |
| 295 void redraw_man_destroy(redraw_man_t *rdman) { | |
|
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296 coord_t *coord, *saved_coord; |
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297 |
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298 coord = postorder_coord_subtree(rdman->root_coord, NULL); |
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299 while(coord) { |
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300 saved_coord = coord; |
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301 coord = postorder_coord_subtree(rdman->root_coord, coord); |
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302 rdman_coord_free(rdman, saved_coord); |
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303 } |
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304 |
| 12 | 305 elmpool_free(rdman->coord_pool); |
| 306 elmpool_free(rdman->geo_pool); | |
|
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307 elmpool_free(rdman->shnode_pool); |
|
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308 elmpool_free(rdman->observer_pool); |
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309 elmpool_free(rdman->subject_pool); |
|
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310 elmpool_free(rdman->paint_color_pool); |
| 13 | 311 if(rdman->dirty_coords) |
| 312 free(rdman->dirty_coords); | |
| 14 | 313 if(rdman->dirty_geos) |
| 314 free(rdman->dirty_geos); | |
|
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315 if(rdman->gen_geos) |
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316 free(rdman->gen_geos); |
| 12 | 317 } |
| 318 | |
| 319 | |
| 320 #define ASSERT(x) | |
| 321 /* | |
| 322 * Change transformation matrix | |
| 323 * - update aggregated transformation matrix | |
| 324 * - of coord_t object been changed. | |
| 325 * - of children coord_t objects. | |
| 326 * - redraw members of coord_t objects. | |
| 327 * - redraw shape objects they are overlaid with members. | |
| 328 * - find out overlaid shape objects. | |
| 329 * - geo_t of a coord_t object | |
| 330 * - can make finding more efficiency. | |
| 331 * - fill overlay geo_t objects of members. | |
| 332 * | |
| 333 * Change a shape object | |
| 334 * - redraw changed object. | |
| 335 * - redraw shape objects they are overlaid with changed object. | |
| 336 * - find out overlaid shape objects. | |
| 337 * | |
| 338 * That coord and geo of shape objects are setted by user code | |
| 339 * give user code a chance to collect coord and geo objects together | |
| 340 * and gain interest of higher cache hit rate. | |
| 341 */ | |
| 342 | |
| 343 int rdman_add_shape(redraw_man_t *rdman, shape_t *shape, coord_t *coord) { | |
| 344 geo_t *geo; | |
|
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345 int r; |
| 12 | 346 |
| 347 geo = elmpool_elm_alloc(rdman->geo_pool); | |
| 348 if(geo == NULL) | |
| 349 return ERR; | |
|
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350 |
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351 geo_init(geo); |
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352 geo->mouse_event = subject_new(&rdman->ob_factory, geo, OBJT_GEO); |
|
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353 |
|
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354 geo_attach_coord(geo, coord); |
|
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355 |
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356 /* New one should be dirty to recompute it when drawing. */ |
|
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357 geo->flags |= GEF_DIRTY; |
|
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358 r = add_dirty_geo(rdman, geo); |
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359 if(r != OK) |
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360 return ERR; |
| 13 | 361 |
| 12 | 362 sh_attach_coord(shape, coord); |
|
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363 sh_attach_geo(shape, geo); |
| 12 | 364 |
| 365 return OK; | |
| 366 } | |
| 367 | |
|
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368 /*! \brief Remove a shape object from redraw manager. |
|
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369 * |
| 154 | 370 * \note Shapes should be removed after redrawing or when rdman is in clean. |
| 58 | 371 * \todo redraw shape objects that overlaid with removed one. |
| 154 | 372 * \todo To allow shapes be removed at anytime. |
|
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373 */ |
| 12 | 374 int rdman_remove_shape(redraw_man_t *rdman, shape_t *shape) { |
|
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375 geo_t *geo; |
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376 coord_t *coord; |
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377 |
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378 geo = shape->geo; |
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379 coord = shape->coord; |
|
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380 geo_detach_coord(geo, coord); |
|
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381 subject_free(&rdman->ob_factory, geo->mouse_event); |
| 104 | 382 sh_detach_geo(shape); |
| 154 | 383 elmpool_elm_free(rdman->geo_pool, geo); |
| 12 | 384 sh_detach_coord(shape); |
| 385 return OK; | |
| 386 } | |
| 387 | |
| 388 coord_t *rdman_coord_new(redraw_man_t *rdman, coord_t *parent) { | |
| 13 | 389 coord_t *coord, *root_coord; |
| 390 coord_t *visit; | |
| 12 | 391 |
| 392 coord = elmpool_elm_alloc(rdman->coord_pool); | |
| 393 if(coord == NULL) | |
| 394 return NULL; | |
| 395 | |
| 396 coord_init(coord, parent); | |
|
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397 coord->mouse_event = subject_new(&rdman->ob_factory, |
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398 coord, |
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399 OBJT_COORD); |
|
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400 /*! \note default opacity == 1 */ |
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401 coord->opacity = 1; |
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402 if(parent) |
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403 coord->canvas = parent->canvas; |
| 13 | 404 rdman->n_coords++; |
| 405 | |
| 406 coord->order = ++rdman->next_coord_order; | |
| 407 if(coord->order == 0) { | |
| 408 rdman->next_coord_order = 0; | |
| 409 root_coord = visit = rdman->root_coord; | |
| 410 /* skip root coord. */ | |
| 411 visit = preorder_coord_subtree(root_coord, visit); | |
| 412 while(visit) { | |
| 413 visit->order = ++rdman->next_coord_order; | |
| 414 visit = preorder_coord_subtree(root_coord, visit); | |
| 415 } | |
| 416 } | |
| 12 | 417 |
|
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418 coord->before_pmem = parent->num_members; |
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419 |
|
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420 /* If parent is dirty, children should be dirty. */ |
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421 if(parent && (parent->flags & COF_DIRTY)) |
|
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422 add_dirty_coord(rdman, coord); |
|
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423 |
| 12 | 424 return coord; |
| 425 } | |
| 426 | |
| 427 /*! \brief Free a coord of a redraw_man_t object. | |
| 428 * | |
| 429 * \param coord is a coord_t without children and members. | |
| 430 * \return 0 for successful, -1 for error. | |
| 431 */ | |
| 432 int rdman_coord_free(redraw_man_t *rdman, coord_t *coord) { | |
| 433 coord_t *parent; | |
| 434 | |
| 435 parent = coord->parent; | |
| 436 if(parent == NULL) | |
| 437 return ERR; | |
| 438 | |
|
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439 if(FIRST_MEMBER(coord) != NULL) |
| 12 | 440 return ERR; |
| 441 | |
|
140
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442 if(FIRST_CHILD(coord) != NULL) |
| 12 | 443 return ERR; |
| 444 | |
|
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445 /* Free canvas (\ref redraw) */ |
|
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446 if(coord->flags & COF_OWN_CANVAS) |
|
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447 free_canvas(coord->canvas); |
|
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448 |
|
140
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|
449 RM_CHILD(parent, coord); |
|
73
9ab15ebc9061
Observer for mouse events
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diff
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|
450 subject_free(&rdman->ob_factory, coord->mouse_event); |
| 12 | 451 elmpool_elm_free(rdman->coord_pool, coord); |
| 13 | 452 rdman->n_coords--; |
| 453 | |
| 454 return OK; | |
| 455 } | |
| 456 | |
| 154 | 457 int rdman_coord_subtree_free(redraw_man_t *rdman, coord_t *subtree) { |
| 458 coord_t *coord, *prev_coord; | |
| 459 int r; | |
| 460 | |
| 461 if(subtree == NULL) | |
| 462 return OK; | |
| 463 | |
| 464 prev_coord = postorder_coord_subtree(subtree, NULL); | |
| 465 for(coord = postorder_coord_subtree(subtree, prev_coord); | |
| 466 coord != NULL; | |
| 467 coord = postorder_coord_subtree(subtree, coord)) { | |
| 468 r = rdman_coord_free(rdman, prev_coord); | |
| 469 if(r != OK) | |
| 470 return ERR; | |
| 471 prev_coord = coord; | |
| 472 } | |
| 473 r = rdman_coord_free(rdman, prev_coord); | |
| 474 if(r != OK) | |
| 475 return ERR; | |
| 476 | |
| 477 return OK; | |
| 478 } | |
| 479 | |
| 13 | 480 /*! \brief Mark a coord is changed. |
| 481 * | |
| 482 * A changed coord_t object is marked as dirty and put | |
| 483 * into dirty_coords list. | |
| 484 */ | |
| 485 int rdman_coord_changed(redraw_man_t *rdman, coord_t *coord) { | |
|
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A simple animation using rdman_redraw_changed().
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486 coord_t *child; |
| 13 | 487 |
| 488 if(coord->flags & COF_DIRTY) | |
| 489 return OK; | |
|
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490 |
|
152
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491 add_dirty_coord(rdman, coord); |
|
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492 |
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493 /* Make child coords dirty. */ |
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494 for(child = preorder_coord_subtree(coord, coord); |
|
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495 child != NULL; |
|
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496 child = preorder_coord_subtree(coord, child)) { |
|
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497 if(child->flags & (COF_DIRTY | COF_HIDDEN)) { |
|
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498 preorder_coord_skip_subtree(child); |
|
114
1909d53071ab
Check if a coord dirty before dirty it
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499 continue; |
|
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500 } |
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501 |
|
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502 add_dirty_coord(rdman, child); |
|
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503 } |
| 13 | 504 |
| 505 return OK; | |
| 506 } | |
| 507 | |
|
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508 static int _rdman_shape_changed(redraw_man_t *rdman, shape_t *shape) { |
| 13 | 509 geo_t *geo; |
| 510 int r; | |
| 511 | |
| 512 geo = shape->geo; | |
| 513 | |
| 514 if(geo->flags & GEF_DIRTY) | |
| 515 return OK; | |
| 516 | |
| 517 r = add_dirty_geo(rdman, geo); | |
| 518 if(r == ERR) | |
| 519 return ERR; | |
| 520 geo->flags |= GEF_DIRTY; | |
| 12 | 521 |
| 522 return OK; | |
| 523 } | |
| 524 | |
|
18
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525 /*! \brief Mark a shape is changed. |
|
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526 * |
|
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527 * The geo_t object of a changed shape is mark as dirty and |
|
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528 * put into dirty_geos list. |
|
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529 */ |
|
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|
530 int rdman_shape_changed(redraw_man_t *rdman, shape_t *shape) { |
|
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531 return _rdman_shape_changed(rdman, shape); |
|
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532 } |
|
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|
533 |
| 29 | 534 int rdman_paint_changed(redraw_man_t *rdman, paint_t *paint) { |
| 535 shnode_t *node; | |
| 536 int r; | |
| 537 | |
| 538 for(node = STAILQ_HEAD(paint->members); | |
| 539 node != NULL; | |
| 540 node = STAILQ_NEXT(shnode_t, next, node)) { | |
| 541 r = _rdman_shape_changed(rdman, node->shape); | |
| 542 if(r != OK) | |
| 543 return ERR; | |
| 544 } | |
| 545 return OK; | |
| 546 } | |
| 547 | |
| 28 | 548 /* Clean dirties */ |
| 549 | |
|
57
ab028c9f0930
Ability to hidden shapes and action of visibility.
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|
550 static int is_coord_subtree_hidden(coord_t *coord) { |
|
ab028c9f0930
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551 while(coord) { |
|
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552 if(coord->flags & COF_HIDDEN) |
|
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553 return 1; |
|
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|
554 coord = coord->parent; |
|
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|
555 } |
|
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|
556 return 0; |
|
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|
557 } |
|
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|
558 |
| 28 | 559 static void clean_shape(shape_t *shape) { |
| 560 switch(shape->sh_type) { | |
| 561 case SHT_PATH: | |
| 562 sh_path_transform(shape); | |
| 563 break; | |
| 564 case SHT_TEXT: | |
| 565 sh_text_transform(shape); | |
| 566 break; | |
|
35
581a03196093
Support rectangle tag of SVG.
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|
567 case SHT_RECT: |
|
581a03196093
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parents:
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568 sh_rect_transform(shape); |
|
581a03196093
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parents:
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diff
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|
569 break; |
| 28 | 570 #ifdef UNITTEST |
| 571 default: | |
| 572 sh_dummy_transform(shape); | |
| 573 break; | |
| 574 #endif /* UNITTEST */ | |
| 575 } | |
| 576 shape->geo->flags &= ~GEF_DIRTY; | |
|
57
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parents:
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|
577 |
|
ab028c9f0930
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parents:
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diff
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|
578 if(is_coord_subtree_hidden(shape->coord)) |
|
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parents:
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diff
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|
579 shape->geo->flags |= GEF_HIDDEN; |
|
ab028c9f0930
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parents:
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|
580 else |
|
ab028c9f0930
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parents:
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|
581 shape->geo->flags &= ~GEF_HIDDEN; |
| 28 | 582 } |
| 583 | |
|
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584 /*! \brief Setup canvas for the coord. |
|
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585 * |
|
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586 * Own a canvas or inherit it from parent. |
|
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587 * \sa |
|
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588 * - \ref redraw |
|
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589 */ |
|
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|
590 static void setup_canvas(redraw_man_t *rdman, coord_t *coord) { |
|
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|
591 if(coord->parent == NULL) |
|
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|
592 return; |
|
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|
593 |
|
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|
594 if(coord->opacity != 1) { |
|
9f4fc9ecfd1f
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parents:
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|
595 if(!(coord->flags & COF_OWN_CANVAS)) { |
|
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|
596 coord->canvas = new_canvas(rdman); |
|
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|
597 coord->flags |= COF_OWN_CANVAS; |
|
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|
598 } |
|
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|
599 } else { |
|
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|
600 if(coord->flags & COF_OWN_CANVAS) { |
|
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parents:
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|
601 free_canvas(coord->canvas); |
|
9f4fc9ecfd1f
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|
602 coord->flags &= ~COF_OWN_CANVAS; |
|
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|
603 } |
|
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|
604 coord->canvas = coord->parent->canvas; |
|
9f4fc9ecfd1f
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parents:
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|
605 } |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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|
606 } |
|
9f4fc9ecfd1f
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parents:
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|
607 |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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diff
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|
608 static int clean_coord(redraw_man_t *rdman, coord_t *coord) { |
| 28 | 609 geo_t *geo; |
|
147
995ee8fd5f1a
Use local static variable to hold position array to reduce using malloc().
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parents:
146
diff
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|
610 /*! \note poses is shared by invokings, it is not support reentrying. */ |
|
995ee8fd5f1a
Use local static variable to hold position array to reduce using malloc().
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parents:
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|
611 static co_aix (*poses)[2]; |
|
995ee8fd5f1a
Use local static variable to hold position array to reduce using malloc().
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parents:
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diff
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|
612 static int max_poses = 0; |
| 28 | 613 int cnt, pos_cnt; |
| 614 | |
|
138
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parents:
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|
615 setup_canvas(rdman, coord); |
|
9f4fc9ecfd1f
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parents:
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|
616 |
| 28 | 617 compute_aggr_of_coord(coord); |
| 618 | |
| 619 /* Clean member shapes. */ | |
| 620 cnt = 0; | |
|
140
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Use macro to simplify the code.
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parents:
139
diff
changeset
|
621 FORMEMBERS(coord, geo) { |
| 28 | 622 SWAP(geo->cur_area, geo->last_area, area_t *); |
|
139
1695a4b02b14
Members of coords are geos instead of shapes, now.
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parents:
138
diff
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|
623 clean_shape(geo->shape); |
| 28 | 624 cnt++; |
| 625 } | |
| 626 | |
|
147
995ee8fd5f1a
Use local static variable to hold position array to reduce using malloc().
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parents:
146
diff
changeset
|
627 if(max_poses < (cnt * 2)) { |
|
995ee8fd5f1a
Use local static variable to hold position array to reduce using malloc().
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parents:
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diff
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|
628 free(poses); |
|
995ee8fd5f1a
Use local static variable to hold position array to reduce using malloc().
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parents:
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|
629 max_poses = cnt * 2; |
|
995ee8fd5f1a
Use local static variable to hold position array to reduce using malloc().
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parents:
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|
630 poses = (co_aix (*)[2])malloc(sizeof(co_aix [2]) * max_poses); |
|
995ee8fd5f1a
Use local static variable to hold position array to reduce using malloc().
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parents:
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diff
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|
631 if(poses == NULL) |
|
995ee8fd5f1a
Use local static variable to hold position array to reduce using malloc().
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parents:
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diff
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|
632 return ERR; |
|
995ee8fd5f1a
Use local static variable to hold position array to reduce using malloc().
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parents:
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diff
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|
633 } |
| 28 | 634 |
| 148 | 635 /* Compute area of the coord. */ |
| 28 | 636 pos_cnt = 0; |
|
140
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|
637 FORMEMBERS(coord, geo) { |
| 28 | 638 area_to_positions(geo->cur_area, poses + pos_cnt); |
| 639 pos_cnt += 2; | |
| 640 } | |
| 641 | |
| 642 SWAP(coord->cur_area, coord->last_area, area_t *); | |
| 643 area_init(coord->cur_area, pos_cnt, poses); | |
| 644 | |
| 645 coord->flags &= ~COF_DIRTY; | |
| 646 | |
| 647 return OK; | |
| 648 } | |
| 649 | |
| 135 | 650 /*! \brief Clean coord_t objects. |
| 133 | 651 */ |
| 28 | 652 static int clean_rdman_coords(redraw_man_t *rdman) { |
| 653 coord_t *coord; | |
| 654 coord_t **dirty_coords; | |
| 655 int n_dirty_coords; | |
| 656 int i, r; | |
| 657 | |
| 658 n_dirty_coords = rdman->n_dirty_coords; | |
| 659 if(n_dirty_coords > 0) { | |
| 660 dirty_coords = rdman->dirty_coords; | |
| 661 _insert_sort((void **)dirty_coords, n_dirty_coords, | |
| 662 OFFSET(coord_t, order)); | |
| 663 for(i = 0; i < n_dirty_coords; i++) { | |
| 664 coord = dirty_coords[i]; | |
| 665 if(!(coord->flags & COF_DIRTY)) | |
| 666 continue; | |
|
138
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Make shapes and coords drawed in post-order of tree.
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|
667 r = clean_coord(rdman, coord); |
| 28 | 668 if(r != OK) |
| 669 return ERR; | |
| 670 /* These two steps can be avoided for drawing all. */ | |
| 671 add_dirty_area(rdman, &coord->areas[0]); | |
| 672 add_dirty_area(rdman, &coord->areas[1]); | |
| 673 } | |
| 674 rdman->n_dirty_coords = 0; | |
| 675 } | |
| 676 return OK; | |
| 677 } | |
| 678 | |
| 679 static int clean_rdman_geos(redraw_man_t *rdman) { | |
| 680 int i; | |
| 681 int n_dirty_geos; | |
| 682 geo_t **dirty_geos; | |
| 683 geo_t *visit_geo; | |
| 684 | |
| 685 n_dirty_geos = rdman->n_dirty_geos; | |
| 686 if(n_dirty_geos > 0) { | |
| 687 dirty_geos = rdman->dirty_geos; | |
| 688 for(i = 0; i < n_dirty_geos; i++) { | |
| 689 visit_geo = dirty_geos[i]; | |
| 690 if(!(visit_geo->flags & GEF_DIRTY)) | |
| 691 continue; | |
| 692 | |
| 693 SWAP(visit_geo->cur_area, visit_geo->last_area, area_t *); | |
| 694 clean_shape(visit_geo->shape); | |
| 695 add_dirty_area(rdman, visit_geo->cur_area); | |
| 696 add_dirty_area(rdman, visit_geo->last_area); | |
| 697 } | |
| 698 rdman->n_dirty_geos = 0; | |
| 699 } | |
| 700 | |
| 701 return OK; | |
| 702 } | |
| 703 | |
| 29 | 704 static int clean_rdman_dirties(redraw_man_t *rdman) { |
| 705 int r; | |
| 706 | |
| 707 r = clean_rdman_coords(rdman); | |
| 708 if(r != OK) | |
| 709 return ERR; | |
| 710 | |
| 711 r = clean_rdman_geos(rdman); | |
| 712 if(r != OK) | |
| 713 return ERR; | |
| 714 | |
| 715 return OK; | |
| 716 } | |
| 717 | |
| 718 | |
|
17
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
719 /* Drawing and Redrawing |
|
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
720 * ============================================================ |
|
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
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diff
changeset
|
721 */ |
|
16
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A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
722 |
|
26
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
25
diff
changeset
|
723 #ifndef UNITTEST |
|
d50f33040de6
Set line width for path.
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parents:
25
diff
changeset
|
724 static void set_shape_stroke_param(shape_t *shape, cairo_t *cr) { |
|
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
25
diff
changeset
|
725 cairo_set_line_width(cr, shape->stroke_width); |
|
d50f33040de6
Set line width for path.
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parents:
25
diff
changeset
|
726 } |
|
33
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
727 |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
728 static void fill_path_preserve(redraw_man_t *rdman) { |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
729 cairo_fill_preserve(rdman->cr); |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
730 } |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
731 |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
732 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
changeset
|
733 cairo_fill(rdman->cr); |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
734 } |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
735 |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
736 static void stroke_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
changeset
|
737 cairo_stroke(rdman->cr); |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
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parents:
30
diff
changeset
|
738 } |
|
26
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
25
diff
changeset
|
739 #else |
|
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
25
diff
changeset
|
740 static void set_shape_stroke_param(shape_t *shape, cairo_t *cr) { |
|
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
25
diff
changeset
|
741 } |
|
33
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
742 |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
743 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
changeset
|
744 } |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
745 |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
746 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
changeset
|
747 } |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
748 |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
749 static void stroke_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
changeset
|
750 } |
|
26
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
25
diff
changeset
|
751 #endif |
|
d50f33040de6
Set line width for path.
Thinker K.F. Li <thinker@branda.to>
parents:
25
diff
changeset
|
752 |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
135
diff
changeset
|
753 static void draw_shape(redraw_man_t *rdman, cairo_t *cr, shape_t *shape) { |
| 22 | 754 paint_t *fill, *stroke; |
|
18
0f3baa488a62
Support solid color paint for fill.
Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
changeset
|
755 |
|
33
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
756 if(shape->fill || shape->stroke) { |
| 19 | 757 switch(shape->sh_type) { |
| 758 case SHT_PATH: | |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
135
diff
changeset
|
759 sh_path_draw(shape, cr); |
| 19 | 760 break; |
| 27 | 761 case SHT_TEXT: |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
135
diff
changeset
|
762 sh_text_draw(shape, cr); |
| 27 | 763 break; |
|
35
581a03196093
Support rectangle tag of SVG.
Thinker K.F. Li <thinker@branda.to>
parents:
33
diff
changeset
|
764 case SHT_RECT: |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
135
diff
changeset
|
765 sh_rect_draw(shape, cr); |
|
35
581a03196093
Support rectangle tag of SVG.
Thinker K.F. Li <thinker@branda.to>
parents:
33
diff
changeset
|
766 break; |
|
17
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
767 #ifdef UNITTEST |
| 19 | 768 default: |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
769 sh_dummy_fill(shape, cr); |
| 19 | 770 break; |
|
17
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
771 #endif /* UNITTEST */ |
| 19 | 772 } |
|
33
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
773 |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
774 fill = shape->fill; |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
775 if(shape->fill) { |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
135
diff
changeset
|
776 fill->prepare(fill, cr); |
|
33
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
777 if(shape->stroke) |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
778 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
|
779 else |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
780 fill_path(rdman); |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
781 } |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
782 |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
783 stroke = shape->stroke; |
|
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
784 if(stroke) { |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
785 stroke->prepare(stroke, cr); |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
786 set_shape_stroke_param(shape, cr); |
|
33
d82749f77108
Fix bug of demo and remove *_fill() and *_stroke().
Thinker K.F. Li <thinker@branda.to>
parents:
30
diff
changeset
|
787 stroke_path(rdman); |
| 22 | 788 } |
| 789 } | |
| 13 | 790 } |
| 791 | |
|
17
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
792 #ifndef UNITTEST |
|
25
29937c26bb01
Fix bug of a dark line appear when animating.
Thinker K.F. Li <thinker@branda.to>
parents:
24
diff
changeset
|
793 static void clean_canvas(cairo_t *cr) { |
| 58 | 794 /*! \todo clean to background color. */ |
|
79
5bcb329a5157
Fix bug of core dump caused by forget to check if parent is NULL, root.
Thinker K.F. Li <thinker@branda.to>
parents:
75
diff
changeset
|
795 cairo_set_source_rgb(cr, 1, 1, 1); |
|
24
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
796 cairo_paint(cr); |
|
16
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
797 } |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
798 |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
799 static void clean_canvas_black(cairo_t *cr) { |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
800 /*! \todo clean to background color. */ |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
801 cairo_set_source_rgba(cr, 0, 0, 0, 0); |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
802 cairo_paint(cr); |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
803 } |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
804 |
|
24
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
805 static void make_clip(cairo_t *cr, int n_dirty_areas, |
|
15
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
806 area_t **dirty_areas) { |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
807 int i; |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
808 area_t *area; |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
809 |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
810 for(i = 0; i < n_dirty_areas; i++) { |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
811 area = dirty_areas[i]; |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
812 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
|
813 } |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
814 cairo_clip(cr); |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
815 } |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
816 |
|
17
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
817 static void reset_clip(redraw_man_t *rdman) { |
|
24
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
818 cairo_reset_clip(rdman->backend); |
|
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
819 } |
|
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
820 |
|
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
821 static void copy_cr_2_backend(redraw_man_t *rdman, int n_dirty_areas, |
|
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
822 area_t **dirty_areas) { |
|
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
823 if(n_dirty_areas) |
|
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
824 make_clip(rdman->backend, n_dirty_areas, dirty_areas); |
|
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
825 |
|
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
826 cairo_paint(rdman->backend); |
|
17
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
827 } |
|
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
828 #else /* UNITTEST */ |
|
25
29937c26bb01
Fix bug of a dark line appear when animating.
Thinker K.F. Li <thinker@branda.to>
parents:
24
diff
changeset
|
829 static void clean_canvas(cairo_t *cr) { |
|
24
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
830 } |
|
e598bc809c0f
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Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
831 |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
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|
832 static void clean_canvas_black(cairo_t *cr) { |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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|
833 } |
|
9f4fc9ecfd1f
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Thinker K.F. Li <thinker@branda.to>
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|
834 |
|
17
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
835 static void reset_clip(redraw_man_t *rdman) { |
|
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
836 } |
|
24
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No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
837 |
|
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
838 static void copy_cr_2_backend(redraw_man_t *rdman, int n_dirty_areas, |
|
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
839 area_t **dirty_areas) { |
|
e598bc809c0f
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parents:
23
diff
changeset
|
840 } |
|
17
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
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|
841 #endif /* UNITTEST */ |
|
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
842 |
|
139
1695a4b02b14
Members of coords are geos instead of shapes, now.
Thinker K.F. Li <thinker@branda.to>
parents:
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diff
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|
843 static int is_geo_in_areas(geo_t *geo, |
|
138
9f4fc9ecfd1f
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parents:
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|
844 int n_areas, |
|
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Make shapes and coords drawed in post-order of tree.
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|
845 area_t **areas) { |
|
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Make shapes and coords drawed in post-order of tree.
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|
846 int i; |
|
9f4fc9ecfd1f
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changeset
|
847 |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
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|
848 for(i = 0; i < n_areas; i++) { |
|
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Make shapes and coords drawed in post-order of tree.
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parents:
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|
849 if(is_overlay(geo->cur_area, areas[i])) |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
850 return 1; |
|
9f4fc9ecfd1f
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Thinker K.F. Li <thinker@branda.to>
parents:
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diff
changeset
|
851 } |
|
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Thinker K.F. Li <thinker@branda.to>
parents:
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|
852 return 0; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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changeset
|
853 } |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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changeset
|
854 |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
855 static void update_canvas_2_parent(redraw_man_t *rdman, coord_t *coord) { |
|
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Make shapes and coords drawed in post-order of tree.
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|
856 cairo_t *pcanvas, *canvas; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
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changeset
|
857 cairo_surface_t *surface; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
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diff
changeset
|
858 |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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|
859 if(coord == rdman->root_coord) |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
860 return; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
861 |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
862 canvas = coord->canvas; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
135
diff
changeset
|
863 pcanvas = coord->parent->canvas; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
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|
864 surface = cairo_get_target(canvas); |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
865 cairo_set_source_surface(pcanvas, surface, 0, 0); |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
866 cairo_paint_with_alpha(pcanvas, coord->opacity); |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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diff
changeset
|
867 } |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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diff
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|
868 |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
135
diff
changeset
|
869 static int draw_coord_shapes_in_areas(redraw_man_t *rdman, |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
870 coord_t *coord, |
|
9f4fc9ecfd1f
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parents:
135
diff
changeset
|
871 int n_areas, |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
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changeset
|
872 area_t **areas) { |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
135
diff
changeset
|
873 int dirty = 0; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
874 int r; |
|
139
1695a4b02b14
Members of coords are geos instead of shapes, now.
Thinker K.F. Li <thinker@branda.to>
parents:
138
diff
changeset
|
875 geo_t *member; |
|
138
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Make shapes and coords drawed in post-order of tree.
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parents:
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diff
changeset
|
876 coord_t *child; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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diff
changeset
|
877 cairo_t *canvas; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
878 int mem_idx; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
Thinker K.F. Li <thinker@branda.to>
parents:
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diff
changeset
|
879 |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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diff
changeset
|
880 canvas = coord->canvas; |
|
140
0de8fd11271e
Use macro to simplify the code.
Thinker K.F. Li <thinker@branda.to>
parents:
139
diff
changeset
|
881 member = FIRST_MEMBER(coord); |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
882 mem_idx = 0; |
|
140
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Use macro to simplify the code.
Thinker K.F. Li <thinker@branda.to>
parents:
139
diff
changeset
|
883 child = FIRST_CHILD(coord); |
|
138
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Make shapes and coords drawed in post-order of tree.
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parents:
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|
884 while(child != NULL || member != NULL) { |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
885 if(child && child->before_pmem == mem_idx) { |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
886 r = draw_coord_shapes_in_areas(rdman, child, n_areas, areas); |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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diff
changeset
|
887 dirty |= r; |
|
140
0de8fd11271e
Use macro to simplify the code.
Thinker K.F. Li <thinker@branda.to>
parents:
139
diff
changeset
|
888 child = NEXT_CHILD(child); |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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|
889 } else { |
|
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Make shapes and coords drawed in post-order of tree.
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parents:
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changeset
|
890 ASSERT(member != NULL); |
|
150
0824f4804ee0
Fix bug of broken coord_hide() and shape_hide().
Thinker K.F. Li <thinker@branda.to>
parents:
148
diff
changeset
|
891 if((!(member->flags & GEF_HIDDEN)) && |
|
0824f4804ee0
Fix bug of broken coord_hide() and shape_hide().
Thinker K.F. Li <thinker@branda.to>
parents:
148
diff
changeset
|
892 is_geo_in_areas(member, n_areas, areas)) { |
|
139
1695a4b02b14
Members of coords are geos instead of shapes, now.
Thinker K.F. Li <thinker@branda.to>
parents:
138
diff
changeset
|
893 draw_shape(rdman, canvas, member->shape); |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
894 dirty = 1; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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changeset
|
895 } |
|
140
0de8fd11271e
Use macro to simplify the code.
Thinker K.F. Li <thinker@branda.to>
parents:
139
diff
changeset
|
896 member = NEXT_MEMBER(member); |
|
139
1695a4b02b14
Members of coords are geos instead of shapes, now.
Thinker K.F. Li <thinker@branda.to>
parents:
138
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changeset
|
897 mem_idx++; |
|
138
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
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changeset
|
898 } |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
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changeset
|
899 } |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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changeset
|
900 |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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changeset
|
901 if(dirty && coord->flags & COF_OWN_CANVAS) { |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
diff
changeset
|
902 update_canvas_2_parent(rdman, coord); |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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|
903 clean_canvas_black(coord->canvas); |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
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changeset
|
904 } |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
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|
905 |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
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|
906 return dirty; |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
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changeset
|
907 } |
|
9f4fc9ecfd1f
Make shapes and coords drawed in post-order of tree.
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parents:
135
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changeset
|
908 |
| 22 | 909 static void draw_shapes_in_areas(redraw_man_t *rdman, |
|
15
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
910 int n_areas, |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
911 area_t **areas) { |
|
138
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Make shapes and coords drawed in post-order of tree.
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parents:
135
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changeset
|
912 draw_coord_shapes_in_areas(rdman, rdman->root_coord, n_areas, areas); |
| 13 | 913 } |
| 914 | |
|
24
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
915 |
| 13 | 916 /*! \brief Re-draw all changed shapes or shapes affected by changed coords. |
| 917 * | |
| 918 * A coord object has a geo to keep track the range that it's members will | |
| 919 * draw on. Geo of a coord should be recomputed when the coord is changed. | |
| 920 * Geo of a coord used to accelerate finding overlay shape objects of | |
| 921 * a specified geo. A coord object also must be recomputed when one of | |
| 922 * it's members is changed. | |
| 923 * | |
| 924 * New and old geo values of a coord object that is recomputed for | |
| 925 * changing of it-self must be used to find overlay shape objects. | |
| 926 * New and old geo values of a shape should also be used to find | |
| 927 * overlay shape objects, too. If a shape's coord is changed, shape's | |
| 928 * geo object is not used to find overlay shape objects any more. | |
| 929 * | |
| 930 * steps: | |
| 931 * - update chagned coord objects | |
| 14 | 932 * - recompute area for changed coord objects |
| 13 | 933 * - recompute geo for members shape objects |
| 14 | 934 * - clear dirty of geo for members to prevent from |
| 935 * recomputing for change of shape objects. | |
| 936 * - add old and new area value to list of dirty areas. | |
| 13 | 937 * - recompute geo for changed shape objects |
| 14 | 938 * - only if a shape object is dirty. |
| 939 * - put new and old value of area of geo to list of dirty areas. | |
| 940 * - Scan all shapes and redraw shapes overlaid with dirty areas. | |
| 13 | 941 * |
| 14 | 942 * dirty flag of coord objects is cleared after update. |
|
15
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
943 * dirty flag of geo objects is also cleared after recomputing. |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
944 * Clean dirty flag can prevent redundant computing for geo and |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
945 * corod objects. |
| 14 | 946 * |
| 13 | 947 */ |
| 948 int rdman_redraw_changed(redraw_man_t *rdman) { | |
| 28 | 949 int r; |
| 13 | 950 int n_dirty_areas; |
| 14 | 951 area_t **dirty_areas; |
| 154 | 952 event_t event; |
| 953 ob_factory_t *factory; | |
| 954 subject_t *redraw; | |
| 13 | 955 |
| 29 | 956 r = clean_rdman_dirties(rdman); |
|
16
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
957 if(r != OK) |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
958 return ERR; |
| 13 | 959 |
|
15
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
960 n_dirty_areas = rdman->n_dirty_areas; |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
961 dirty_areas = rdman->dirty_areas; |
|
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
962 if(n_dirty_areas > 0) { |
| 135 | 963 /*! \brief Draw shapes in preorder of coord tree and support opacity |
| 964 * rules. | |
| 965 */ | |
|
25
29937c26bb01
Fix bug of a dark line appear when animating.
Thinker K.F. Li <thinker@branda.to>
parents:
24
diff
changeset
|
966 clean_canvas(rdman->cr); |
| 22 | 967 draw_shapes_in_areas(rdman, n_dirty_areas, dirty_areas); |
|
24
e598bc809c0f
No more flash when animation.
Thinker K.F. Li <thinker@branda.to>
parents:
23
diff
changeset
|
968 copy_cr_2_backend(rdman, rdman->n_dirty_areas, rdman->dirty_areas); |
|
15
c2ce186a5c37
X_main uses rdman_redraw_all()
Thinker K.F. Li <thinker@branda.to>
parents:
14
diff
changeset
|
969 rdman->n_dirty_areas = 0; |
|
17
41f0907b27ac
Unittest for rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
16
diff
changeset
|
970 reset_clip(rdman); |
|
15
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X_main uses rdman_redraw_all()
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971 } |
|
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A simple animation using rdman_redraw_changed().
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972 rdman->n_dirty_areas = 0; |
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A simple animation using rdman_redraw_changed().
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973 |
| 154 | 974 factory = rdman_get_ob_factory(rdman); |
| 975 redraw = rdman_get_redraw_subject(rdman); | |
| 976 event.type = EVT_RDMAN_REDRAW; | |
| 977 event.tgt = event.cur_tgt = redraw; | |
| 978 subject_notify(factory, redraw, &event); | |
| 979 | |
|
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980 return OK; |
|
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|
981 } |
|
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|
982 |
| 38 | 983 /* NOTE: Before redrawing, the canvas/surface must be cleaned. |
| 984 * NOTE: After redrawing, the content must be copied to the backend surface. | |
| 985 */ | |
| 986 | |
|
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987 /*! \page redraw How to Redraw Shapes? |
|
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988 * |
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989 * Coords are corresponding objects for group tags of SVG files. |
|
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990 * In conceptional, every SVG group has a canvas, graphics of child shapes |
|
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991 * are drawed into the canvas, applied filters of group, and blended into |
|
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992 * canvas of parent of the group. |
|
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993 * |
|
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994 * But, we don't need to create actually a surface/canvas for every coord. |
|
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995 * We only create surface for coords their opacity value are not 1 or they |
|
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996 * apply filters on background. Child shapes of coords without canvas |
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997 * are drawed on canvas of nearest ancestor which have canvas. It said |
|
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998 * a coord owns a canvas or inherits from an ancestor. (\ref COF_OWN_CANVAS, |
|
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999 * clean_coord()) Except, root_coord always owns a canvas. |
|
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1000 * |
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1001 * \note Default opacity of a coord is 1. |
|
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1002 * |
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1003 * \sa |
|
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1004 * - rdman_redraw_all() |
|
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1005 * - rdman_redraw_changed() |
|
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1006 * = draw_shapes_in_areas() |
|
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1007 */ |
|
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1008 |
|
15
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|
1009 int rdman_redraw_all(redraw_man_t *rdman) { |
|
138
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|
1010 cairo_surface_t *surface; |
|
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|
1011 area_t area; |
| 29 | 1012 int r; |
|
15
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1013 |
|
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1014 area.x = area.y = 0; |
|
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|
1015 #ifndef UNITTEST |
|
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1016 surface = cairo_get_target(rdman->cr); |
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1017 area.w = cairo_image_surface_get_width(surface); |
|
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|
1018 area.h = cairo_image_surface_get_height(surface); |
|
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1019 #else |
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|
1020 area.w = 1024; |
|
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1021 area.h = 1024; |
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|
1022 #endif |
|
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|
1023 add_dirty_area(rdman, &area); |
|
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|
1024 |
|
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|
1025 r = rdman_redraw_changed(rdman); |
| 29 | 1026 if(r != OK) |
| 1027 return ERR; | |
|
16
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A simple animation using rdman_redraw_changed().
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diff
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|
1028 |
| 13 | 1029 return OK; |
| 12 | 1030 } |
| 1031 | |
| 37 | 1032 int rdman_redraw_area(redraw_man_t *rdman, co_aix x, co_aix y, |
| 1033 co_aix w, co_aix h) { | |
| 1034 area_t area; | |
| 1035 int r; | |
| 1036 | |
| 1037 area.x = x; | |
| 1038 area.y = y; | |
| 1039 area.w = w; | |
| 1040 area.h = h; | |
| 1041 add_dirty_area(rdman, &area); | |
| 1042 | |
| 1043 r = rdman_redraw_changed(rdman); | |
| 1044 | |
| 1045 return r; | |
| 1046 } | |
| 1047 | |
|
139
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|
1048 geo_t *rdman_geos(redraw_man_t *rdman, geo_t *last) { |
|
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Members of coords are geos instead of shapes, now.
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|
1049 geo_t *next; |
|
1695a4b02b14
Members of coords are geos instead of shapes, now.
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parents:
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diff
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|
1050 coord_t *coord; |
|
1695a4b02b14
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|
1051 |
|
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Members of coords are geos instead of shapes, now.
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138
diff
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|
1052 if(last == NULL) { |
|
1695a4b02b14
Members of coords are geos instead of shapes, now.
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parents:
138
diff
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|
1053 coord = rdman->root_coord; |
|
140
0de8fd11271e
Use macro to simplify the code.
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parents:
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diff
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|
1054 while(coord != NULL && FIRST_MEMBER(coord) == NULL) |
|
139
1695a4b02b14
Members of coords are geos instead of shapes, now.
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parents:
138
diff
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|
1055 coord = preorder_coord_subtree(rdman->root_coord, coord); |
|
1695a4b02b14
Members of coords are geos instead of shapes, now.
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|
1056 if(coord == NULL) |
|
1695a4b02b14
Members of coords are geos instead of shapes, now.
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parents:
138
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|
1057 return NULL; |
|
140
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diff
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|
1058 return FIRST_MEMBER(coord); |
|
139
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parents:
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|
1059 } |
|
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Members of coords are geos instead of shapes, now.
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|
1060 |
|
1695a4b02b14
Members of coords are geos instead of shapes, now.
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|
1061 coord = last->shape->coord; |
|
140
0de8fd11271e
Use macro to simplify the code.
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parents:
139
diff
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|
1062 next = NEXT_MEMBER(last); |
|
139
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Members of coords are geos instead of shapes, now.
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parents:
138
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|
1063 while(next == NULL) { |
|
1695a4b02b14
Members of coords are geos instead of shapes, now.
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parents:
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|
1064 coord = preorder_coord_subtree(rdman->root_coord, coord); |
|
1695a4b02b14
Members of coords are geos instead of shapes, now.
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parents:
138
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|
1065 if(coord == NULL) |
|
1695a4b02b14
Members of coords are geos instead of shapes, now.
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parents:
138
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|
1066 return NULL; |
|
140
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Use macro to simplify the code.
Thinker K.F. Li <thinker@branda.to>
parents:
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|
1067 next = FIRST_MEMBER(coord); |
|
139
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Members of coords are geos instead of shapes, now.
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|
1068 } |
|
1695a4b02b14
Members of coords are geos instead of shapes, now.
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parents:
138
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|
1069 return next; |
|
1695a4b02b14
Members of coords are geos instead of shapes, now.
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parents:
138
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|
1070 } |
|
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Members of coords are geos instead of shapes, now.
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|
1071 |
|
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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|
1072 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
|
1073 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
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|
1074 |
|
e06a4a667ce2
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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|
1075 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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|
1076 |
|
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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|
1077 return r; |
|
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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|
1078 } |
|
e06a4a667ce2
Accept mouse/pointer event and hint the shape that the pointer is over.
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parents:
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|
1079 |
|
18
0f3baa488a62
Support solid color paint for fill.
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parents:
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diff
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|
1080 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
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|
1081 shnode_t *node; |
|
0f3baa488a62
Support solid color paint for fill.
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parents:
17
diff
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|
1082 |
|
0f3baa488a62
Support solid color paint for fill.
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parents:
17
diff
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|
1083 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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|
1084 if(node) { |
|
0f3baa488a62
Support solid color paint for fill.
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parents:
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diff
changeset
|
1085 node->shape = shape; |
|
0f3baa488a62
Support solid color paint for fill.
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parents:
17
diff
changeset
|
1086 node->next = NULL; |
|
0f3baa488a62
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parents:
17
diff
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|
1087 } |
|
0f3baa488a62
Support solid color paint for fill.
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parents:
17
diff
changeset
|
1088 return node; |
|
0f3baa488a62
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Thinker K.F. Li <thinker@branda.to>
parents:
17
diff
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|
1089 } |
|
0f3baa488a62
Support solid color paint for fill.
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parents:
17
diff
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|
1090 |
| 135 | 1091 /*! \page dirty Dirty geo, coord, and area. |
| 1092 * | |
| 1093 * \section dirty_of_ego Dirty of geo | |
|
16
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parents:
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diff
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|
1094 * A geo is dirty when any of the shape, size or positions is changed. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
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parents:
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diff
changeset
|
1095 * It's geo and positions should be recomputed before drawing. So, |
|
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A simple animation using rdman_redraw_changed().
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parents:
15
diff
changeset
|
1096 * dirty geos are marked as dirty and put into dirty_geos list. |
|
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A simple animation using rdman_redraw_changed().
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parents:
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|
1097 * The list is inspected before drawing to make sure the right shape, |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
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parents:
15
diff
changeset
|
1098 * size, and positions. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
1099 * |
| 135 | 1100 * \section dirty_of_coord Dirty of coord |
|
16
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A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
changeset
|
1101 * A coord is dirty when it's transformation matrix being changed. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
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parents:
15
diff
changeset
|
1102 * Dirty coords are marked as dirty and put into dirty_coords list. |
|
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A simple animation using rdman_redraw_changed().
Thinker K.F. Li <thinker@branda.to>
parents:
15
diff
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|
1103 * Once a coord is dirty, every member geos of it are also dirty. |
|
e17e12b112c4
A simple animation using rdman_redraw_changed().
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parents:
15
diff
changeset
|
1104 * 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
|
1105 * 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
|
1106 * all these member geos will be recomputed for computing new current |
|
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A simple animation using rdman_redraw_changed().
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1107 * area of the coord. The changes of a coord also affect child |
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1108 * coords. Once parent is dirty, all children are also dirty for |
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1109 * their aggregate matrix out of date. Dirty coords should be |
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1110 * clean in preorder of tree traversal. The dirty_coords list |
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1111 * are sorted to keep the order before cleaning. |
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1112 * Whenever a coord is marked dirty and put into dirty_coords list, |
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1113 * all it's children should also be marked and put. |
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1114 * |
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1115 * The procedure of clean coords comprises recomputing aggregate |
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1116 * tranform matrix and area where members spreading in. |
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1117 * |
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1118 * The list is inspected before drawing to recompute new shape, size, |
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1119 * and positions of member geos of coords in the list. The drity |
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1120 * flag of member geos will be clean. |
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1121 * |
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1122 * Clean coords should be performed before clean geos, since clean |
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1123 * coords will also clean member geos. |
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1124 */ |
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1125 |
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1126 /* |
| 12 | 1127 * When redraw an area, the affected elements may also extend to |
| 1128 * outside of the area. Since the order of drawing will change | |
| 1129 * the result, it will infect more and more elements to keep | |
| 1130 * drawing order althrough they are overlaid directly with | |
| 1131 * specified area. | |
| 1132 * | |
| 1133 * To fix the problem, we don't extend the set of redrawing to | |
| 1134 * elements they are not overliad directly. The redrawing is | |
| 1135 * performed on a temporary surface, clipped to fit the area, and | |
| 1136 * update only specified area on the destinate surface. | |
| 1137 */ | |
| 1138 | |
| 1139 /* | |
| 1140 * To accelerate speed of transformation, when a matrix changed, | |
| 1141 * transformation should be aggregated and computed in a loop. | |
| 1142 * It can get intereset of higher hit rate of cache. | |
| 1143 * - shapes prvoide list of positions needed to be transformed. | |
| 1144 * - redraw_man transforms positions from shapes. | |
| 1145 * - shapes drawing with result of transforms. | |
| 1146 * - shapes should be called to give them a chance to update geometries. | |
| 1147 */ | |
| 1148 | |
| 13 | 1149 /* |
| 1150 * functions: | |
| 1151 * - redraw all | |
| 1152 * - redraw changed | |
| 1153 */ | |
| 1154 | |
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1155 /* Implment factory and strategy functions for observers and subjects. |
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1156 */ |
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1157 static subject_t *ob_subject_alloc(ob_factory_t *factory) { |
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1158 redraw_man_t *rdman; |
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1159 subject_t *subject; |
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1160 |
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1161 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
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1162 subject = elmpool_elm_alloc(rdman->subject_pool); |
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1163 |
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1164 return subject; |
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1165 } |
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1166 |
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1167 static void ob_subject_free(ob_factory_t *factory, subject_t *subject) { |
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1168 redraw_man_t *rdman; |
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1169 |
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1170 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
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1171 elmpool_elm_free(rdman->subject_pool, subject); |
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1172 } |
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1173 |
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1174 static observer_t *ob_observer_alloc(ob_factory_t *factory) { |
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1175 redraw_man_t *rdman; |
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1176 observer_t *observer; |
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1177 |
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1178 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
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1179 observer = elmpool_elm_alloc(rdman->observer_pool); |
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1180 |
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1181 return observer; |
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1182 } |
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1183 |
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1184 static void ob_observer_free(ob_factory_t *factory, observer_t *observer) { |
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1185 redraw_man_t *rdman; |
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1186 |
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1187 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
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1188 elmpool_elm_free(rdman->observer_pool, observer); |
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1189 } |
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1190 |
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1191 static subject_t *ob_get_parent_subject(ob_factory_t *factory, |
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1192 subject_t *cur_subject) { |
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1193 redraw_man_t *rdman; |
|
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1194 coord_t *coord, *parent_coord; |
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1195 geo_t *geo; |
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1196 subject_t *parent; |
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1197 |
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1198 rdman = MEM2OBJ(factory, redraw_man_t, ob_factory); |
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1199 switch(cur_subject->obj_type) { |
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1200 case OBJT_GEO: |
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1201 geo = (geo_t *)cur_subject->obj; |
|
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1202 parent_coord = geo->shape->coord; |
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1203 parent = parent_coord->mouse_event; |
|
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1204 break; |
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1205 case OBJT_COORD: |
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1206 coord = (coord_t *)cur_subject->obj; |
|
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1207 parent_coord = coord->parent; |
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1208 if(parent_coord == NULL) { |
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1209 parent = NULL; |
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1210 break; |
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1211 } |
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1212 parent = parent_coord->mouse_event; |
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1213 break; |
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1214 default: |
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1215 parent = NULL; |
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1216 break; |
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1217 } |
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1218 |
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1219 return parent; |
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1220 } |
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1221 |
| 12 | 1222 #ifdef UNITTEST |
|
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1223 /* Test cases */ |
| 12 | 1224 |
| 1225 #include <CUnit/Basic.h> | |
| 19 | 1226 #include "paint.h" |
| 12 | 1227 |
| 1228 struct _sh_dummy { | |
| 1229 shape_t shape; | |
| 1230 co_aix x, y; | |
| 1231 co_aix w, h; | |
| 119 | 1232 int trans_cnt; |
|
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1233 int draw_cnt; |
| 12 | 1234 }; |
| 1235 | |
| 1236 shape_t *sh_dummy_new(co_aix x, co_aix y, co_aix w, co_aix h) { | |
| 1237 sh_dummy_t *dummy; | |
| 1238 | |
| 1239 dummy = (sh_dummy_t *)malloc(sizeof(sh_dummy_t)); | |
| 1240 if(dummy == NULL) | |
| 1241 return NULL; | |
| 1242 | |
|
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1243 memset(dummy, 0, sizeof(sh_dummy_t)); |
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1244 |
| 12 | 1245 dummy->x = x; |
| 1246 dummy->y = y; | |
| 1247 dummy->w = w; | |
| 1248 dummy->h = h; | |
| 119 | 1249 dummy->trans_cnt = 0; |
|
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1250 dummy->draw_cnt = 0; |
| 12 | 1251 |
| 1252 return (shape_t *)dummy; | |
| 1253 } | |
| 1254 | |
| 1255 void sh_dummy_free(shape_t *sh) { | |
| 1256 free(sh); | |
| 1257 } | |
| 1258 | |
| 1259 void sh_dummy_transform(shape_t *shape) { | |
| 1260 sh_dummy_t *dummy = (sh_dummy_t *)shape; | |
| 1261 co_aix poses[2][2]; | |
| 1262 co_aix x1, y1, x2, y2; | |
| 1263 | |
| 1264 if(shape->geo && shape->coord) { | |
| 1265 x1 = dummy->x; | |
| 1266 y1 = dummy->y; | |
| 1267 x2 = x1 + dummy->w; | |
| 1268 y2 = y1 + dummy->h; | |
| 1269 | |
| 1270 coord_trans_pos(shape->coord, &x1, &y1); | |
| 1271 coord_trans_pos(shape->coord, &x2, &y2); | |
| 1272 poses[0][0] = x1; | |
| 1273 poses[0][1] = y1; | |
| 1274 poses[1][0] = x2; | |
| 1275 poses[1][1] = y2; | |
| 1276 | |
|
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1277 if(shape->geo) |
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1278 geo_from_positions(shape->geo, 2, poses); |
| 12 | 1279 } |
| 119 | 1280 dummy->trans_cnt++; |
| 12 | 1281 } |
| 1282 | |
|
20
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1283 void sh_dummy_fill(shape_t *shape, cairo_t *cr) { |
|
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1284 sh_dummy_t *dummy; |
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1285 |
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1286 dummy = (sh_dummy_t *)shape; |
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1287 dummy->draw_cnt++; |
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1288 } |
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1289 |
| 19 | 1290 static void dummy_paint_prepare(paint_t *paint, cairo_t *cr) { |
| 1291 } | |
| 1292 | |
| 1293 static void dummy_paint_free(paint_t *paint) { | |
| 1294 if(paint) | |
| 1295 free(paint); | |
| 1296 } | |
| 1297 | |
| 1298 paint_t *dummy_paint_new(redraw_man_t *rdman) { | |
| 1299 paint_t *paint; | |
| 1300 | |
| 1301 paint = (paint_t *)malloc(sizeof(paint_t)); | |
| 1302 if(paint == NULL) | |
| 1303 return NULL; | |
| 1304 | |
| 1305 paint_init(paint, dummy_paint_prepare, dummy_paint_free); | |
| 1306 | |
| 1307 return paint; | |
| 1308 } | |
| 1309 | |
|
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1310 void test_rdman_redraw_changed(void) { |
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1311 coord_t *coords[3]; |
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1312 shape_t *shapes[3]; |
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1313 sh_dummy_t **dummys; |
| 19 | 1314 paint_t *paint; |
|
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1315 redraw_man_t *rdman; |
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1316 redraw_man_t _rdman; |
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1317 int i; |
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1318 |
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1319 dummys = (sh_dummy_t **)shapes; |
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1320 |
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1321 rdman = &_rdman; |
|
24
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1322 redraw_man_init(rdman, NULL, NULL); |
| 19 | 1323 paint = dummy_paint_new(rdman); |
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1324 for(i = 0; i < 3; i++) { |
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1325 shapes[i] = sh_dummy_new(0, 0, 50, 50); |
| 19 | 1326 rdman_paint_fill(rdman, paint, shapes[i]); |
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1327 coords[i] = rdman_coord_new(rdman, rdman->root_coord); |
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1328 coords[i]->matrix[2] = 10 + i * 100; |
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1329 coords[i]->matrix[5] = 10 + i * 100; |
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1330 rdman_coord_changed(rdman, coords[i]); |
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1331 rdman_add_shape(rdman, shapes[i], coords[i]); |
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1332 } |
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1333 rdman_redraw_all(rdman); |
| 119 | 1334 CU_ASSERT(dummys[0]->trans_cnt == 1); |
| 1335 CU_ASSERT(dummys[1]->trans_cnt == 1); | |
| 1336 CU_ASSERT(dummys[2]->trans_cnt == 1); | |
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1337 CU_ASSERT(dummys[0]->draw_cnt == 1); |
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1338 CU_ASSERT(dummys[1]->draw_cnt == 1); |
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1339 CU_ASSERT(dummys[2]->draw_cnt == 1); |
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1340 |
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1341 coords[2]->matrix[2] = 100; |
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1342 coords[2]->matrix[5] = 100; |
| 119 | 1343 rdman_coord_changed(rdman, coords[0]); |
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1344 rdman_coord_changed(rdman, coords[2]); |
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1345 rdman_redraw_changed(rdman); |
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1346 |
| 119 | 1347 CU_ASSERT(dummys[0]->draw_cnt == 2); |
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1348 CU_ASSERT(dummys[1]->draw_cnt == 2); |
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1349 CU_ASSERT(dummys[2]->draw_cnt == 2); |
| 19 | 1350 |
| 1351 paint->free(paint); | |
| 1352 redraw_man_destroy(rdman); | |
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1353 } |
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1354 |
| 12 | 1355 CU_pSuite get_redraw_man_suite(void) { |
| 1356 CU_pSuite suite; | |
| 1357 | |
| 1358 suite = CU_add_suite("Suite_redraw_man", NULL, NULL); | |
|
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1359 CU_ADD_TEST(suite, test_rdman_redraw_changed); |
| 12 | 1360 |
| 1361 return suite; | |
| 1362 } | |
| 1363 | |
| 1364 #endif /* UNITTEST */ |