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annotate include/mb_redraw_man.h @ 231:2637519e2bd7

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Move mouse event handler and interpreter to src/mouse.c. - Also change makefiles of examples with a better configuration.
author Thinker K.F. Li <thinker@branda.to>
date Thu, 18 Dec 2008 22:37:15 +0800
parents a6e559fb76d7
children 527894c2ad39
rev   line source
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1 #ifndef __REDRAW_MAN_H_
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2 #define __REDRAW_MAN_H_
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3
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4 #include <cairo.h>
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5 #include "mb_tools.h"
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6 #include "mb_types.h"
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7 #include "mb_observer.h"
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8
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9 typedef struct _redraw_man redraw_man_t;
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11 typedef void (*free_func_t)(redraw_man_t *rdman, void *obj);
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12 struct _free_obj {
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13 void *obj;
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14 free_func_t free_func;
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15 };
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16 typedef struct _free_obj free_obj_t;
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17 struct _free_objs {
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18 int num, max;
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19 free_obj_t *objs;
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20 };
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21 typedef struct _free_objs free_objs_t;
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22
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23 DARRAY(coords, coord_t *);
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24 DARRAY(geos, geo_t *);
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25 DARRAY(areas, area_t *);
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26
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27 /*! \brief Manage redrawing of shapes (graphic elements).
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28 *
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29 * Every coord_t and geo_t object is assigned with a unique
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30 * incremental order. The order is a unsigned integer.
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31 * Every time a new coord_t or geo_t object is added, it is
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32 * assigned with a order number that 1 bigger than last one
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33 * until reaching maximum of unsigned integer.
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34 * When a maximum is meet, all coord_t or geo_t objects
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35 * are reasigned with a new order number from 1. It means
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36 * order numbers that have been assigned and then removed
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37 * later are recycled.
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38 *
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39 * Dirty flag is clear when the transformation matrix of a coord
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40 * object been recomputed or when a geo_t objects been redrawed.
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41 */
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42 struct _redraw_man {
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43 unsigned int next_coord_order;
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44 int n_coords;
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45 coord_t *root_coord;
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46
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47 elmpool_t *geo_pool;
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48 elmpool_t *coord_pool;
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49 elmpool_t *shnode_pool;
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50 elmpool_t *observer_pool;
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51 elmpool_t *subject_pool;
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52 elmpool_t *paint_color_pool;
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53 elmpool_t *pent_pool;
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54
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55 coords_t dirty_coords;
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56 geos_t dirty_geos;
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57 areas_t dirty_areas;
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58
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59 geos_t gen_geos;
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60
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61 STAILQ(shape_t) shapes; /*!< \brief All managed shapes. */
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62 STAILQ(paint_t) paints; /*!< \brief All managed paints. */
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63
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64 free_objs_t free_objs;
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65
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66 cairo_t *cr;
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67 cairo_t *backend;
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68
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69 ob_factory_t ob_factory;
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70
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71 subject_t *redraw; /*!< \brief Notified after redrawing. */
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72 subject_t *addrm_monitor; /*!< \brief Monitor adding/removing observers
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73 * to/from mouse event subjects.
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74 * \see addrm_monitor_hdlr()
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75 */
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76 mb_obj_t *last_mouse_over;
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77 };
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78
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79 extern int redraw_man_init(redraw_man_t *rdman, cairo_t *cr,
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80 cairo_t *backend);
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81 extern void redraw_man_destroy(redraw_man_t *rdman);
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82 extern int rdman_find_overlaid_shapes(redraw_man_t *rdman,
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83 geo_t *geo,
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84 geo_t ***overlays);
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85 extern int rdman_add_shape(redraw_man_t *rdman,
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86 shape_t *shape, coord_t *coord);
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87 /*! \brief Make a shape been managed by a redraw manager. */
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88 #define rdman_shape_man(rdman, shape) \
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89 do { \
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90 mb_prop_store_init(&((mb_obj_t *)(shape))->props, \
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91 (rdman)->pent_pool); \
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92 STAILQ_INS_TAIL(rdman->shapes, shape_t, sh_next, shape); \
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93 if(rdman->last_mouse_over == (mb_obj_t *)(shape)) \
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94 rdman->last_mouse_over = NULL; \
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95 } while(0)
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96 extern int rdman_shape_free(redraw_man_t *rdman, shape_t *shape);
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97
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98 #define rdman_paint_man(rdman, paint) \
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99 STAILQ_INS_TAIL(rdman->paints, paint_t, pnt_next, shape)
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100 extern int rdman_paint_free(redraw_man_t *rdman, paint_t *paint);
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101
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102 extern coord_t *rdman_coord_new(redraw_man_t *rdman, coord_t *parent);
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103 extern int rdman_coord_free(redraw_man_t *rdman, coord_t *coord);
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104 extern int rdman_coord_subtree_free(redraw_man_t *rdman, coord_t *subtree);
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105 extern int rdman_coord_changed(redraw_man_t *rdman, coord_t *coord);
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106 extern int rdman_shape_changed(redraw_man_t *rdman, shape_t *shape);
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107 extern int rdman_redraw_changed(redraw_man_t *rdman);
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108 extern int rdman_redraw_all(redraw_man_t *rdman);
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109 extern int rdman_redraw_area(redraw_man_t *rdman, co_aix x, co_aix y,
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110 co_aix w, co_aix h);
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111 extern geo_t *rdman_geos(redraw_man_t *rdman, geo_t *last);
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112 extern int rdman_force_clean(redraw_man_t *rdman);
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113 extern shnode_t *shnode_new(redraw_man_t *rdman, shape_t *shape);
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114 #define shnode_free(rdman, node) elmpool_elm_free((rdman)->shnode_pool, node)
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115 #define shnode_list_free(rdman, q) \
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116 do { \
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117 shnode_t *__node, *__last; \
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118 __last = STAILQ_HEAD(q); \
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119 if(__last == NULL) break; \
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120 for(__node = STAILQ_NEXT(shnode_t, next, __last); \
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121 __node != NULL; \
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122 __node = STAILQ_NEXT(shnode_t, next, __node)) { \
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123 shnode_free(rdman, __last); \
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124 __last = __node; \
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125 } \
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126 shnode_free(rdman, __last); \
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127 } while(0)
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128 #define _rdman_paint_child(rdman, paint, shape) \
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129 do { \
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130 shnode_t *__node; \
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131 if((shape)->fill != (paint) && \
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132 (shape)->stroke != (paint)) { \
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133 __node = shnode_new(rdman, shape); \
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134 STAILQ_INS_TAIL((paint)->members, \
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135 shnode_t, next, __node); \
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136 } \
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137 } while(0)
159
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138 extern void _rdman_paint_real_remove_child(redraw_man_t *rdman,
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139 paint_t *paint,
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140 shape_t *shape);
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141 #define _rdman_paint_remove_child(rdman, paint, shape) \
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142 do { \
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143 if((shape)->fill == (shape)->stroke && \
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144 (shape)->stroke == paint) \
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145 break; \
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146 _rdman_paint_real_remove_child(rdman, paint, shape); \
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147 } while(0)
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148 #define rdman_paint_fill(rdman, paint, shape) \
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149 do { \
159
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150 if((shape)->fill == paint) \
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151 break; \
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152 _rdman_paint_remove_child(rdman, paint, shape); \
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153 _rdman_paint_child(rdman, paint, shape); \
159
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154 (shape)->fill = paint; \
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155 } while(0)
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156 #define rdman_paint_stroke(rdman, paint, shape) \
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157 do { \
159
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158 if((shape)->stroke == paint) \
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159 break; \
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160 _rdman_paint_remove_child(rdman, paint, shape); \
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161 _rdman_paint_child(rdman, paint, shape); \
159
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162 (shape)->stroke = paint; \
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163 } while(0)
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164 extern int rdman_paint_changed(redraw_man_t *rdman, paint_t *paint);
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165
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166 extern shape_t *find_shape_at_pos(redraw_man_t *rdman,
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167 co_aix x, co_aix y, int *in_stroke);
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168 #define rdman_get_ob_factory(rdman) (&(rdman)->ob_factory)
154
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169 #define rdman_get_redraw_subject(rdman) ((rdman)->redraw)
224
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170 #define rdman_get_root(rdman) ((rdman)->root_coord)
30
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171
227
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172 /*! \brief Load sprite dymanicly from the shared object module.
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173 *
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174 * The search path can be changed by sprite_set_search_path. The name can have a relative path in the front of it.
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175 * This function will search the object in the current working directory and then search the system search path.
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176 *
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177 */
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178 mb_sprite_t *sprite_load(const char *name, redraw_man_t *rdman, coord_t *root);
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179
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180 /*! \brief Set the search path of dymanic object loading.
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181 *
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182 */
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183 void sprite_set_search_path(char *path);
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184
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185 #endif /* __REDRAW_MAN_H_ */