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annotate include/mb_redraw_man.h @ 257:50d253d0fcba

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Simple image loader and image shape. - img_ldr.c is a simple image loader that rooted on a directory specified when a loader instance been created. - sh_image_t is corresponding shape of image tag in SVG. - This changeset is still buggy. It need more testing. - svg2code.py is not ready for image tag.
author Thinker K.F. Li <thinker@branda.to>
date Thu, 15 Jan 2009 16:46:47 +0800
parents 99a9cca4bbd0
children 29acbd8a0dd0
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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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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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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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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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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59 geos_t gen_geos;
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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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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 void *rt; /*!< \brief This is a pointer to the current
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78 * graphic backend.
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79 * \see rdman_attach_backend()
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80 */
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81 mb_prop_store_t props;
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82 };
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83
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84 extern int redraw_man_init(redraw_man_t *rdman, cairo_t *cr,
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85 cairo_t *backend);
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86 extern void redraw_man_destroy(redraw_man_t *rdman);
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87 extern int rdman_find_overlaid_shapes(redraw_man_t *rdman,
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88 geo_t *geo,
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89 geo_t ***overlays);
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90 extern int rdman_add_shape(redraw_man_t *rdman,
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91 shape_t *shape, coord_t *coord);
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92 /*! \brief Make a shape been managed by a redraw manager. */
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93 #define rdman_shape_man(rdman, shape) \
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94 do { \
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95 mb_prop_store_init(&((mb_obj_t *)(shape))->props, \
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96 (rdman)->pent_pool); \
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97 STAILQ_INS_TAIL(rdman->shapes, shape_t, sh_next, shape); \
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98 if(rdman->last_mouse_over == (mb_obj_t *)(shape)) \
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99 rdman->last_mouse_over = NULL; \
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100 } while(0)
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101 extern int rdman_shape_free(redraw_man_t *rdman, shape_t *shape);
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102
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103 #define rdman_paint_man(rdman, paint) \
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104 STAILQ_INS_TAIL(rdman->paints, paint_t, pnt_next, shape)
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105 extern int rdman_paint_free(redraw_man_t *rdman, paint_t *paint);
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106
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107 extern coord_t *rdman_coord_new(redraw_man_t *rdman, coord_t *parent);
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108 extern int rdman_coord_free(redraw_man_t *rdman, coord_t *coord);
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109 extern int rdman_coord_subtree_free(redraw_man_t *rdman, coord_t *subtree);
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110 extern int rdman_coord_changed(redraw_man_t *rdman, coord_t *coord);
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111 extern int rdman_shape_changed(redraw_man_t *rdman, shape_t *shape);
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112 extern int rdman_redraw_changed(redraw_man_t *rdman);
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113 extern int rdman_redraw_all(redraw_man_t *rdman);
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114 extern int rdman_redraw_area(redraw_man_t *rdman, co_aix x, co_aix y,
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115 co_aix w, co_aix h);
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116 extern geo_t *rdman_geos(redraw_man_t *rdman, geo_t *last);
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117 #define rdman_shapes(rdman, last_shape) \
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118 geo_get_shape_safe(rdman_geos(rdman, sh_get_geo_safe(last_shape)))
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119 extern int rdman_force_clean(redraw_man_t *rdman);
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120 extern shnode_t *shnode_new(redraw_man_t *rdman, shape_t *shape);
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121 #define shnode_free(rdman, node) elmpool_elm_free((rdman)->shnode_pool, node)
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122 #define shnode_list_free(rdman, q) \
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123 do { \
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124 shnode_t *__node, *__last; \
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125 __last = STAILQ_HEAD(q); \
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126 if(__last == NULL) break; \
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127 for(__node = STAILQ_NEXT(shnode_t, next, __last); \
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128 __node != NULL; \
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129 __node = STAILQ_NEXT(shnode_t, next, __node)) { \
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130 shnode_free(rdman, __last); \
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131 __last = __node; \
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132 } \
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133 shnode_free(rdman, __last); \
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134 } while(0)
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135 #define _rdman_paint_child(rdman, paint, shape) \
18
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136 do { \
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137 shnode_t *__node; \
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138 if((shape)->fill != (paint) && \
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139 (shape)->stroke != (paint)) { \
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140 __node = shnode_new(rdman, shape); \
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141 STAILQ_INS_TAIL((paint)->members, \
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142 shnode_t, next, __node); \
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143 } \
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144 } while(0)
159
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145 extern void _rdman_paint_real_remove_child(redraw_man_t *rdman,
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146 paint_t *paint,
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147 shape_t *shape);
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148 #define _rdman_paint_remove_child(rdman, paint, shape) \
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149 do { \
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150 if((shape)->fill == (shape)->stroke && \
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151 (shape)->stroke == paint) \
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152 break; \
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153 _rdman_paint_real_remove_child(rdman, paint, shape); \
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154 } while(0)
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155 #define rdman_paint_fill(rdman, paint, shape) \
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156 do { \
159
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157 if((shape)->fill == paint) \
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158 break; \
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159 _rdman_paint_remove_child(rdman, paint, shape); \
22
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160 _rdman_paint_child(rdman, paint, shape); \
159
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161 (shape)->fill = paint; \
18
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162 } while(0)
22
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163 #define rdman_paint_stroke(rdman, paint, shape) \
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164 do { \
159
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diff changeset
165 if((shape)->stroke == paint) \
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parents: 158
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166 break; \
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167 _rdman_paint_remove_child(rdman, paint, shape); \
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168 _rdman_paint_child(rdman, paint, shape); \
159
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169 (shape)->stroke = paint; \
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170 } while(0)
18
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171 extern int rdman_paint_changed(redraw_man_t *rdman, paint_t *paint);
12
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parents:
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172
30
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173 extern shape_t *find_shape_at_pos(redraw_man_t *rdman,
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parents: 24
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174 co_aix x, co_aix y, int *in_stroke);
232
527894c2ad39 Add functions for collision test.
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parents: 231
diff changeset
175 extern int mb_obj_pos_is_in(redraw_man_t *rdman, mb_obj_t *obj,
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parents: 231
diff changeset
176 co_aix x, co_aix y, int *in_stroke);
253
99a9cca4bbd0 Fix typo in mb_redraw_man.h
Thinker K.F. Li <thinker@branda.to>
parents: 249
diff changeset
177 extern int mb_objs_are_overlay(redraw_man_t *rdman,
99a9cca4bbd0 Fix typo in mb_redraw_man.h
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parents: 249
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178 mb_obj_t *obj1, mb_obj_t *obj2);
73
9ab15ebc9061 Observer for mouse events
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parents: 37
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179 #define rdman_get_ob_factory(rdman) (&(rdman)->ob_factory)
154
6ce68c1f7405 Tank can fire bullet.
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parents: 146
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180 #define rdman_get_redraw_subject(rdman) ((rdman)->redraw)
224
29e1b2bffe4c X backend only sent EVT_MOUSE_MOVE_RAW to MadButterfly.
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parents: 186
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181 #define rdman_get_root(rdman) ((rdman)->root_coord)
235
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parents: 232
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182 #define rdman_get_cr(rdman) ((rdman)->cr)
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parents: 232
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183 #define rdman_get_gen_geos(rdman) (&(rdman)->gen_geos)
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parents: 232
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184 extern int rdman_add_gen_geos(redraw_man_t *rdman, geo_t *geo);
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parents: 232
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185 #define rdman_get_shape_gl(rdman, idx) \
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parents: 232
diff changeset
186 geo_get_shape(rdman_get_gen_geos(rdman)->ds[idx])
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parents: 232
diff changeset
187 #define rdman_add_shape_gl(rdman, shape) \
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parents: 232
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188 rdman_add_gen_geos(rdman, sh_get_geo(shape))
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parents: 232
diff changeset
189 #define rdman_shape_gl_len(rdman) \
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parents: 232
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190 rdman_get_gen_geos(rdman)->num
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parents: 232
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191 #define rdman_clear_shape_gl(rdman) \
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diff changeset
192 DARRAY_CLEAN(rdman_get_gen_geos(rdman))
30
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parents: 24
diff changeset
193
249
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wycc
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194 /*! \brief Attach backend to the redraw manager so that we can hide the backend from the users.
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wycc
parents: 235
diff changeset
195 *
ab8284c8dcee * Add loopback reference from rdman to the backend. This is only required when we need to acquire the tman for the animation. This is not a reasonable arrangement since the animation should be backend transparent. We should not touch the backend directly from the animation. We should relocate the tman to the rdman.
wycc
parents: 235
diff changeset
196 */
ab8284c8dcee * Add loopback reference from rdman to the backend. This is only required when we need to acquire the tman for the animation. This is not a reasonable arrangement since the animation should be backend transparent. We should not touch the backend directly from the animation. We should relocate the tman to the rdman.
wycc
parents: 235
diff changeset
197 #define rdman_attach_backend(rdman,backend) (((rdman)->rt)=(backend))
227
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198 /*! \brief Load sprite dymanicly from the shared object module.
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parents: 224
diff changeset
199 *
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diff changeset
200 * 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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parents: 224
diff changeset
201 * This function will search the object in the current working directory and then search the system search path.
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parents: 224
diff changeset
202 *
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diff changeset
203 */
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parents: 224
diff changeset
204 mb_sprite_t *sprite_load(const char *name, redraw_man_t *rdman, coord_t *root);
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parents: 224
diff changeset
205
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diff changeset
206 /*! \brief Set the search path of dymanic object loading.
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wycc
parents: 224
diff changeset
207 *
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parents: 224
diff changeset
208 */
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parents: 224
diff changeset
209 void sprite_set_search_path(char *path);
12
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parents:
diff changeset
210
79e9edf4c00a Add redraw manager
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parents:
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211 #endif /* __REDRAW_MAN_H_ */