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annotate include/mb_types.h @ 410:1a923ea699c1

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shape_stext.c, now, is unittested.
author Thinker K.F. Li <thinker@branda.to>
date Wed, 08 Jul 2009 21:12:14 +0800
parents 27774b93521e
children 16116d84bc5e
rev   line source
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1 #ifndef __MB_TYPES_H_
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2 #define __MB_TYPES_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_observer.h"
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7 #include "mb_prop.h"
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8
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9 typedef float co_aix;
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10 typedef struct _shape shape_t;
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11 typedef struct _geo geo_t;
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12 typedef struct _area area_t;
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13 typedef struct _shnode shnode_t;
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14 typedef struct _paint paint_t;
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15 typedef struct _mb_obj mb_obj_t;
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16 typedef struct _mb_sprite mb_sprite_t;
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17 /*! \todo Replace cairo_t with canvas_t. */
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18 typedef cairo_t canvas_t;
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19
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20 struct _redraw_man;
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21
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22 /* \defgroup mb_obj_grp Object type
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23 * @{
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24 */
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25 /*! \brief MadButterfly object.
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26 *
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27 * All objects (coord and shapes) should have mb_obj_t as first member
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28 * variable. obj_type is used to identify type of an object. Please,
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29 * use MBO_TYPE() to return this value. MBO_TYPE() will type-casting the
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30 * object to mb_obj_t and return obj_type.
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31 *
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32 * mb_obj_t should be initialized with mb_obj_init() and destroied with
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33 * mb_obj_destroy().
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34 *
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35 * We have defined a set of convienent API which will wrap the coord_t or shape_t API accoridng to its type.
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36 * Please refer to http://www.assembla.com/wiki/show/dFrSMOtDer3BZUab7jnrAJ/MBAF_Object for the details. This
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37 * API is designed for regular programmers which can be used to change some common properties of objects without
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38 * checking its type.
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39 */
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40 struct _mb_obj {
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41 int obj_type; /*!< \brief Type of a MadButterfly object. */
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42 mb_prop_store_t props; /*!< Initialized by rdman. */
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43 };
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44
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45 enum { MBO_DUMMY,
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46 MBO_COORD,
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47 MBO_SHAPES=0x1000, /*! \note Don't touch this. */
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48 MBO_PATH,
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49 MBO_TEXT,
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50 MBO_RECT,
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51 MBO_IMAGE,
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52 MBO_STEXT
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53 };
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54 #define MBO_CLASS_MASK 0xf000
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55 #define MBO_CLASS(x) (((mb_obj_t *)(x))->obj_type & MBO_CLASS_MASK)
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56 /*! \brief Return type of a MadBufferly object. */
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57 #define MBO_TYPE(x) (((mb_obj_t *)(x))->obj_type)
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58 #define IS_MBO_SHAPES(obj) (MBO_CLASS(obj) == MBO_SHAPES)
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59 #define IS_MBO_COORD(obj) (MBO_TYPE(obj) == MBO_COORD)
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60 #define mb_obj_init(obj, type) \
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61 do { \
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62 ((mb_obj_t *)(obj))->obj_type = type; \
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63 } while(0)
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64 #define mb_obj_destroy(obj)
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65 #define mb_obj_prop_store(obj) (&(obj)->props)
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67
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68 /* @} */
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70 /*! \brief Base of paint types.
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71 *
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72 * Paints should be freed by users by calling rdman_paint_free() of
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73 * the paint.
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74 *
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75 * To define a foo paint, it should define a rdman_paint_foo_new()
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76 * function. It return a paint object.
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77 *
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78 * \todo move member functions to a seperate structure and setup a
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79 * singleton for each paint type.
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80 */
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81 struct _paint {
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82 int pnt_type;
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83 int flags;
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84 void (*prepare)(paint_t *paint, cairo_t *cr);
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85 void (*free)(struct _redraw_man *rdman, paint_t *paint);
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86 STAILQ(shnode_t) members;
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87 paint_t *pnt_next; /*!< \brief Collect all paints of a rdman. */
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88 };
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89 enum { MBP_DUMMY,
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90 MBP_COLOR,
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91 MBP_LINEAR,
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92 MBP_RADIAL,
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93 MBP_IMAGE
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94 };
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95
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96 #define PNTF_FREE 0x1
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97
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98 struct _shnode {
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99 shape_t *shape;
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100 shnode_t *next;
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101 };
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102
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103 struct _area {
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104 co_aix x, y;
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105 co_aix w, h;
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106 };
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107
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108 /*! \brief Geometry data of a shape or a group of shape.
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109 */
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110 struct _geo {
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111 #ifdef GEO_ORDER
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112 unsigned int order;
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113 #endif
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114 unsigned int flags;
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115 shape_t *shape;
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116 geo_t *coord_next; /*!< \brief Link all member geos together. */
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117
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118 area_t *cur_area, *last_area;
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119 area_t areas[2];
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120
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121 subject_t *mouse_event;
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122 };
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123 #define GEF_DIRTY 0x1
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124 #define GEF_HIDDEN 0x2 /*!< The geo is hidden. */
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125 #define GEF_FREE 0x4
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126 #define GEF_OV_DRAW 0x8 /*!< To flag drawed for a overlay testing. */
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127
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128 extern int areas_are_overlay(area_t *r1, area_t *r2);
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129 extern void area_init(area_t *area, int n_pos, co_aix pos[][2]);
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130 #define _in_range(a, s, w) ((a) >= (s) && (a) < ((s) + (w)))
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131 #define area_pos_is_in(area, _x, _y) \
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132 (_in_range(_x, (area)->x, (area)->w) && \
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133 _in_range(_y, (area)->y, (area)->h))
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134 extern void geo_init(geo_t *g);
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135 extern void geo_from_positions(geo_t *g, int n_pos, co_aix pos[][2]);
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136 extern void geo_mark_overlay(geo_t *g, int n_others, geo_t **others,
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137 int *n_overlays, geo_t **overlays);
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138 #define geo_get_shape(g) ((g)->shape)
235
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139 #define geo_get_shape_safe(g) ((g)? (g)->shape: NULL)
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140 #define geo_set_shape(g, sh) do {(g)->shape = sh;} while(0)
250
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141 #define geo_pos_is_in(g, _x, _y) area_pos_is_in((g)->cur_area, _x, _y)
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142 #define geo_get_area(g) ((g)->cur_area)
235
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143 #define geo_get_flags(g, mask) ((g)->flags & (mask))
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144 #define geo_set_flags(g, mask) do {(g)->flags |= mask;} while(0)
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145 #define geo_clear_flags(g, mask) do {(g)->flags &= ~(mask);} while(0)
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146 #define geo_get_coord(g) sh_get_coord(geo_get_shape(g))
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147
314
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148 /*! \defgroup coord Coordination
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149 * @{
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150 */
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151 typedef struct _coord coord_t;
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152
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153 DARRAY(areas, area_t *);
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154
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155 /*! \brief Canvas information for a coord.
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156 */
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157 typedef struct _coord_canvas_info {
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158 coord_t *owner; /*!< Cached one or opacity == 1 */
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159 canvas_t *canvas;
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160 areas_t dirty_areas; /*!< \brief Areas should be updated
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161 * in canvas.
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162 */
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163 area_t aggr_dirty_areas[2]; /*!< Used to aggregate updates to parent. */
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164 area_t cached_dirty_area; /*!< Used to dirty an area in cached space. */
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165 area_t owner_mems_area; /*!< \brief The area is covered by members
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166 * of owner.
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167 */
314
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168 } coord_canvas_info_t;
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169
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170 /*! \brief A coordination system.
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171 *
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172 * It have a transform function defined by matrix to transform
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173 * coordination from source space to target space.
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174 * Source space is where the contained is drawed, and target space
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175 * is where the coordination of parent container of the element
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176 * represented by this coord object.
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177 *
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178 * \dot
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179 * digraph G {
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180 * graph [rankdir=LR];
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181 * root -> child00 -> child10 -> child20 [label="children" color="blue"];
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182 * child00 -> child01 -> child02 [label="sibling"];
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183 * child10 -> child11 [label="sibling"];
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184 * }
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185 * \enddot
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186 */
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187 struct _coord {
196
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188 mb_obj_t obj;
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189 unsigned int order;
314
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190 unsigned int flags; /*!< \sa \ref coord_flags */
138
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191 co_aix opacity;
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192 /*! Own one or inherit from an ancestor.
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193 * Setup it when clean coords.
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194 * \sa
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195 * - \ref COF_OWN_CANVAS
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196 * - \ref redraw
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197 */
314
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198 coord_canvas_info_t *canvas_info;
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199 area_t *cur_area, *last_area;
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200 area_t areas[2];
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201
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202 co_aix matrix[6];
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203 co_aix aggr_matrix[6];
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204
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205 struct _coord *parent;
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206 STAILQ(struct _coord) children;
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207 struct _coord *sibling;
138
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208 unsigned int before_pmem; /*!< \brief The coord is before nth member
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209 * of parent. */
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210
139
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211 int num_members;
159
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212 STAILQ(geo_t) members; /*!< \brief All geo_t members in this coord. */
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213
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214 subject_t *mouse_event;
314
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215 };
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216 /*! \defgroup coord_flags Coord Flags
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217 * @{
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218 */
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219 #define COF_DIRTY 0x1
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220 #define COF_HIDDEN 0x2 /*!< A coord is hidden. */
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221 #define COF_OWN_CANVAS 0x4 /*!< A coord owns a canvas or inherit it
160
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222 * from an ancestor.
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223 */
160
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224 #define COF_SKIP_TRIVAL 0x8 /*!< temporary skip descendants
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225 * when trivaling.
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226 */
158
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227 #define COF_FREE 0x10
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228 #define COF_FAST_CACHE 0x20 /*!< \brief Cache raster image in fast way.
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229 * \sa \ref img_cache
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230 */
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231 #define COF_PRECISE_CACHE 0x40 /*!< \brief Cache raster image in
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232 * precise way.
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233 * \sa \ref img_cache
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234 */
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235 #define COF_CACHE_MASK 0x60
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236 #define COF_ANCESTOR_CACHE 0x80 /*!< \brief One ancestor is cached.
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237 * \sa \ref img_cache
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238 */
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239 #define COF_MUST_ZEROING 0x100 /*!< \sa \ref cache_imp */
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240 #define COF_JUST_CLEAN 0x200 /*!< \brief This coord is just cleaned by
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241 * last clean.
322
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242 * It is used by clean_rdman_dirties().
314
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243 */
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244 #define COF_TEMP_MARK 0x400 /*!< \brief Temporary mark a coord. */
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245 /* @} */
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246
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247 extern void matrix_mul(co_aix *m1, co_aix *m2, co_aix *dst);
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248 extern void matrix_trans_pos(co_aix *matrix, co_aix *x, co_aix *y);
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249
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250 extern void coord_init(coord_t *co, coord_t *parent);
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251 extern void coord_trans_pos(coord_t *co, co_aix *x, co_aix *y);
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252 extern co_aix coord_trans_size(coord_t *co, co_aix size);
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253 extern void compute_aggr_of_coord(coord_t *coord);
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254 extern void compute_aggr_of_cached_coord(coord_t *coord);
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255 extern void compute_reverse(co_aix *orig, co_aix *reverse);
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256 extern void update_aggr_matrix(coord_t *start);
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257 extern coord_t *preorder_coord_subtree(coord_t *root, coord_t *last);
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258 extern coord_t *postorder_coord_subtree(coord_t *root, coord_t *last);
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259 #define preorder_coord_skip_subtree(sub) \
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260 do { (sub)->flags |= COF_SKIP_TRIVAL; } while(0)
160
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261 #define coord_hide(co) \
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262 do { \
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263 (co)->flags |= COF_HIDDEN; \
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264 } while(0)
57
ab028c9f0930 Ability to hidden shapes and action of visibility.
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265 #define coord_show(co) do { co->flags &= ~COF_HIDDEN; } while(0)
314
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266 #define coord_fast_cache(co) \
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267 do { \
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268 (co)->flags = \
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269 ((co)->flags & ~COF_CACHE_MASK) | COF_FAST_CACHE; \
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270 } while(0)
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271 #define coord_precise_cache(co) \
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272 do { \
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273 (co)->flags = \
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274 ((co)->flags & ~COF_CACHE_MASK) | COF_PRECISE_CACHE; \
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275 } while(0)
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276 #define coord_nocache(co) \
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277 do { \
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278 (co)->flags &= ~COF_CACHE_MASK; \
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279 } while(0)
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280 #define coord_is_root(co) ((co)->parent == NULL)
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281 #define coord_is_cached(co) ((co)->flags & COF_CACHE_MASK)
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282 #define coord_is_fast_cached(co) ((co)->flags & COF_FAST_MASK)
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283 #define coord_is_precise_cached(co) ((co)->flags & COF_PRECISE_MASK)
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284 #define coord_is_zeroing(co) ((co)->flags & COF_MUST_ZEROING)
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285 #define coord_set_zeroing(co) \
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286 do { (co)->flags |= COF_MUST_ZEROING; } while(0)
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287 #define coord_clear_zeroing(co) \
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288 do { (co)->flags &= ~COF_MUST_ZEROING; } while(0)
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289 #define coord_set_flags(co, _flags) \
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290 do { (co)->flags |= (_flags); } while(0)
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291 #define coord_get_flags(co, _flags) ((co)->flags & (_flags))
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292 #define coord_clear_flags(co, _flags) \
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293 do { (co)->flags &= ~(_flags); } while(0)
83
ea758bb3bbe2 example
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294 #define coord_get_mouse_event(coord) ((coord)->mouse_event)
257
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295 #define coord_get_aggr_matrix(coord) ((coord)->aggr_matrix)
232
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296 #define FOR_COORDS_POSTORDER(coord, cur) \
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297 for((cur) = postorder_coord_subtree((coord), NULL); \
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298 (cur) != NULL; \
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299 (cur) = postorder_coord_subtree((coord), (cur)))
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300 #define FOR_COORDS_PREORDER(coord, cur) \
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301 for((cur) = (coord); \
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302 (cur) != NULL; \
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303 (cur) = preorder_coord_subtree((coord), (cur)))
12
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304
222
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wycc
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305 /*! \brief Coord operation function
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306 * These functions are used to move and scale the coord_t. Programmers should use these functions instead of using the matrix directly.
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307 * The x,y,sx,sy are all in co_aix type.
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308 *
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309 */
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310 #define coord_move(co,x,y) do {(co)->matrix[2] = (x); (co)->matrix[5] = (y);} while(0)
295
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311 #define coord_set_scalex(co,sx) do {(co)->matrix[0] = sx;} while(0)
303
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wycc
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312 #define coord_set_scaley(co,sy) do {(co)->matrix[3] = sy;} while(0)
295
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313 #define coord_scalex(co) ((co)->matrix[0])
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wycc
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314 #define coord_scaley(co) ((co)->matrix[3])
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315 #define coord_x(co) ((co)->matrix[2])
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316 #define coord_y(co) ((co)->matrix[5])
232
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317 #define FOR_COORD_MEMBERS(coord, geo) \
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318 for(geo = STAILQ_HEAD((coord)->members); \
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319 geo != NULL; \
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320 geo = STAILQ_NEXT(geo_t, coord_next, geo))
235
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321 #define FOR_COORD_SHAPES(coord, shape) \
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322 for(shape = geo_get_shape_safe(STAILQ_HEAD((coord)->members)); \
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diff changeset
323 shape != NULL; \
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324 shape = geo_get_shape_safe(STAILQ_NEXT(geo_t, coord_next, \
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Thinker K.F. Li <thinker@branda.to>
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325 sh_get_geo(shape))))
232
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326 #define coord_get_area(coord) ((coord)->cur_area)
314
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327 #define _coord_get_canvas(coord) ((coord)->canvas_info->canvas)
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328 #define _coord_set_canvas(coord, _canvas) \
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329 do { \
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330 (coord)->canvas_info->canvas = _canvas; \
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331 } while(0)
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332 #define _coord_get_dirty_areas(coord) (&(coord)->canvas_info->dirty_areas)
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333
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334 /* @} */
12
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335
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336 /*! \brief A grahpic shape.
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337 *
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338 * \dot
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339 * digraph G {
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340 * "shape" -> "coord";
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341 * "shape" -> "geo";
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342 * "geo" -> "shape";
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343 * "coord" -> "shape" [label="members"]
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344 * "shape" -> "shape" [label="sibling"];
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345 * }
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346 * \enddot
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347 */
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348 struct _shape {
196
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diff changeset
349 mb_obj_t obj;
12
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350 geo_t *geo;
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351 coord_t *coord;
18
0f3baa488a62 Support solid color paint for fill.
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parents: 17
diff changeset
352 paint_t *fill, *stroke;
26
d50f33040de6 Set line width for path.
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parents: 18
diff changeset
353 co_aix stroke_width;
73
9ab15ebc9061 Observer for mouse events
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parents: 58
diff changeset
354 int stroke_linecap:2;
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parents: 58
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355 int stroke_linejoin:2;
159
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
356 struct _shape *sh_next; /*!< Link all shapes of a rdman together. */
73
9ab15ebc9061 Observer for mouse events
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parents: 58
diff changeset
357 void (*free)(shape_t *shape);
12
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358 };
196
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parents: 189
diff changeset
359 /* enum { SHT_UNKNOW, SHT_PATH, SHT_TEXT, SHT_RECT }; */
12
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parents: 11
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360
77
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parents: 73
diff changeset
361 #define sh_get_mouse_event_subject(sh) ((sh)->geo->mouse_event)
160
147c93163ef0 Fix bug of tank that bullet is not hidden when go out the map.
Thinker K.F. Li <thinker@branda.to>
parents: 159
diff changeset
362 #define sh_hide(sh) \
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Thinker K.F. Li <thinker@branda.to>
parents: 159
diff changeset
363 do { \
147c93163ef0 Fix bug of tank that bullet is not hidden when go out the map.
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parents: 159
diff changeset
364 (sh)->geo->flags |= GEF_HIDDEN; \
147c93163ef0 Fix bug of tank that bullet is not hidden when go out the map.
Thinker K.F. Li <thinker@branda.to>
parents: 159
diff changeset
365 } while(0)
147c93163ef0 Fix bug of tank that bullet is not hidden when go out the map.
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parents: 159
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366 #define sh_show(sh) \
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parents: 159
diff changeset
367 do { \
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parents: 159
diff changeset
368 (sh)->geo->flags &= ~GEF_HIDDEN; \
147c93163ef0 Fix bug of tank that bullet is not hidden when go out the map.
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parents: 159
diff changeset
369 } while(0)
232
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parents: 224
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370 #define sh_get_geo(sh) ((sh)->geo)
235
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parents: 232
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371 #define sh_get_geo_safe(sh) ((sh)? (sh)->geo: NULL)
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372 #define sh_get_flags(sh, mask) geo_get_flags(sh_get_geo(sh), mask)
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373 #define sh_set_flags(sh, mask) geo_set_flags(sh_get_geo(sh), mask)
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parents: 232
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374 #define sh_clear_flags(sh, mask) geo_clear_flags(sh_get_geo(sh), mask)
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parents: 232
diff changeset
375 #define sh_pos_is_in(sh, x, y) geo_pos_is_in(sh_get_geo(sh), x, y)
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parents: 232
diff changeset
376 #define sh_get_area(sh) geo_get_area(sh_get_geo(sh))
257
50d253d0fcba Simple image loader and image shape.
Thinker K.F. Li <thinker@branda.to>
parents: 250
diff changeset
377 #define sh_get_coord(sh) ((sh)->coord)
393
27774b93521e Add sh_stext_t to implement a simple version of text shape.
Thinker K.F. Li <thinker@branda.to>
parents: 356
diff changeset
378 #define sh_get_aggr_matrix(sh) (coord_get_aggr_matrix(sh_get_coord(sh)))
260
29acbd8a0dd0 Integrate sh_image with svg2code.py.
Thinker K.F. Li <thinker@branda.to>
parents: 257
diff changeset
379 #define sh_get_fill(sh) ((sh)->fill)
29acbd8a0dd0 Integrate sh_image with svg2code.py.
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parents: 257
diff changeset
380 #define sh_get_stroke(sh) ((sh)->stroke)
140
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parents: 139
diff changeset
381
12
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diff changeset
382
208
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parents: 204
diff changeset
383 /*! \brief A sprite is a set of graphics that being an object in animation.
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parents: 204
diff changeset
384 *
e01acb80f0e7 Define mb_sprite_t
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parents: 204
diff changeset
385 * A sprite include graphics comprise an object. For example, a tank, in
e01acb80f0e7 Define mb_sprite_t
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parents: 204
diff changeset
386 * example tank, is comprised a set of graphics that is represented as a
e01acb80f0e7 Define mb_sprite_t
Thinker K.F. Li <thinker@branda.to>
parents: 204
diff changeset
387 * sprite.
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parents: 204
diff changeset
388 */
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parents: 204
diff changeset
389 struct _mb_sprite {
209
6f63aa67ed83 Define types for sprite shared object.
Thinker K.F. Li <thinker@branda.to>
parents: 208
diff changeset
390 void (*free)(mb_sprite_t *);
6f63aa67ed83 Define types for sprite shared object.
Thinker K.F. Li <thinker@branda.to>
parents: 208
diff changeset
391 mb_obj_t *(*get_obj_with_name)(mb_sprite_t *sprite, const char *id);
241
104d83378582 Add scene support in svg2code.py.
Thinker K.F. Li <thinker@branda.to>
parents: 235
diff changeset
392 /*! Return non-zero for error. */
104d83378582 Add scene support in svg2code.py.
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parents: 235
diff changeset
393 int (*goto_scene)(mb_sprite_t *sprite, int scene_no);
208
e01acb80f0e7 Define mb_sprite_t
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parents: 204
diff changeset
394 };
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395
211
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396 #define MB_SPRITE_FREE(sprite) ((mb_sprite_t *)(sprite))->free(sprite)
241
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397 #define MB_SPRITE_GET_OBJ(sprite, name) \
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398 ((mb_sprite_t *)(sprite))->get_obj_with_name((mb_sprite_t *)(sprite), \
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399 (name))
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400 #define MB_SPRITE_GOTO_SCENE(sprite, scene_no) \
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401 ((mb_sprite_t *)(sprite))->goto_scene((mb_sprite_t *)(sprite), scene_no)
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402
210
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403
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404 /*! \defgroup mb_sprite_lsym Sprite with linear symbol table.
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405 * @{
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406 */
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407 struct _mb_sprite_lsym_entry {
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408 const char *sym;
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409 const int offset;
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410 };
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411 typedef struct _mb_sprite_lsym_entry mb_sprite_lsym_entry_t;
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412
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413 /*! \brief A sub-type of mb_sprite_t with linear symbol table.
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414 *
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415 * This type of sprite search symbols with linear/or binary searching.
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416 */
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417 struct _mb_sprite_lsym {
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418 mb_sprite_t sprite;
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419 int num_entries;
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420 mb_sprite_lsym_entry_t *entries;
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421 };
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422 typedef struct _mb_sprite_lsym mb_sprite_lsym_t;
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423
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424 /* @} */
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425
5
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426 #endif /* __MB_TYPES_H_ */