Mercurial > MadButterfly

annotate src/shape_rect.c @ 914:e4474cac20da

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Implement the page stack
author wycc
date Thu, 21 Oct 2010 23:56:55 +0800
parents 9a7ac4487849
children a8d20bc8ce40
rev   line source
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586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 448
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
586e50f82c1f Unify coding style tag for emacs and vim.
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2 // vim: sw=4:ts=8:sts=4
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3 #include <stdio.h>
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4 #include <stdlib.h>
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5 #include <string.h>
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6 #include "mb_types.h"
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7 #include "mb_shapes.h"
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8
d82749f77108 Fix bug of demo and remove *_fill() and *_stroke().
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9 typedef struct _sh_rect {
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10 shape_t shape;
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11 co_aix x, y;
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12 co_aix w, h;
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13 co_aix rx, ry;
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14 co_aix poses[12][2];
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15
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16 redraw_man_t *rdman; /*!< \brief This is used by sh_rect_free() */
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17 } sh_rect_t;
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18
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19 int _sh_rect_size = sizeof(sh_rect_t);
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20
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21 static void sh_rect_free(shape_t *shape) {
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22 sh_rect_t *rect = (sh_rect_t *)shape;
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23
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24 elmpool_elm_free(rect->rdman->sh_rect_pool, rect);
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25 }
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26
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27 shape_t *rdman_shape_rect_new(redraw_man_t *rdman,
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28 co_aix x, co_aix y, co_aix w, co_aix h,
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29 co_aix rx, co_aix ry) {
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30 sh_rect_t *rect;
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31
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32 rect = (sh_rect_t *)elmpool_elm_alloc(rdman->sh_rect_pool);
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33 if(rect == NULL)
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34 return NULL;
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35
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36 memset(rect, 0, sizeof(sh_rect_t));
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37
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38 mb_obj_init(rect, MBO_RECT);
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39 rect->x = x;
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40 rect->y = y;
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41 rect->w = w;
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42 rect->h = h;
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43 rect->rx = rx;
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44 rect->ry = ry;
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45 rect->shape.free = sh_rect_free;
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46 rect->rdman = rdman;
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47
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48 rdman_shape_man(rdman, (shape_t *)rect);
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49
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50 return (shape_t *)rect;
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51 }
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52
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53 void sh_rect_set(shape_t *shape, co_aix x, co_aix y,
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54 co_aix w, co_aix h, co_aix rx, co_aix ry) {
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55 sh_rect_t *rect = (sh_rect_t *)shape;
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56
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57 rect->x = x;
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58 rect->y = y;
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59 rect->w = w;
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60 rect->h = h;
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61 rect->rx = rx;
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62 rect->ry = ry;
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63 }
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64
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65 void sh_rect_transform(shape_t *shape) {
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66 sh_rect_t *rect = (sh_rect_t *)shape;
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67 co_aix x, y, w, h, rx, ry;
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68 co_aix (*poses)[2];
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69 co_aix width;
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70 area_t *area;
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71 int i;
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72
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73 x = rect->x;
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74 y = rect->y;
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75 w = rect->w;
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76 h = rect->h;
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77 rx = rect->rx;
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78 ry = rect->ry;
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79
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80 poses = rect->poses;
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81
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82 if(rect->rx != 0 && rect->ry != 0) {
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83 poses[0][0] = x + w - rx;
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84 poses[0][1] = y;
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85 poses[1][0] = x + w;
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86 poses[1][1] = y;
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87 poses[2][0] = x + w;
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88 poses[2][1] = y + ry;
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89
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90 poses[3][0] = x + w;
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91 poses[3][1] = y + h - ry;
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92 poses[4][0] = x + w;
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93 poses[4][1] = y + h;
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94 poses[5][0] = x + w - rx;
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95 poses[5][1] = y + h;
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96
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97 poses[6][0] = x + rx;
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98 poses[6][1] = y + h;
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99 poses[7][0] = x;
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100 poses[7][1] = y + h;
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101 poses[8][0] = x;
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102 poses[8][1] = y + h - ry;
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103
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104 poses[9][0] = x;
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105 poses[9][1] = y + ry;
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106 poses[10][0] = x;
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107 poses[10][1] = y;
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108 poses[11][0] = x + rx;
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109 poses[11][1] = y;
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110
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111 for(i = 0; i < 12; i++)
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112 coord_trans_pos(shape->coord, &poses[i][0], &poses[i][1]);
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113
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114 geo_from_positions(shape->geo, 12, poses);
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115 } else {
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116 poses[0][0] = x;
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117 poses[0][1] = y;
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118 poses[1][0] = x + w;
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119 poses[1][1] = y;
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120 poses[2][0] = x + w;
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121 poses[2][1] = y + h;
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122 poses[3][0] = x;
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123 poses[3][1] = y + h;
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124
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125 for(i = 0; i < 4; i++)
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126 coord_trans_pos(shape->coord, &poses[i][0], &poses[i][1]);
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127
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128 geo_from_positions(shape->geo, 4, poses);
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129 }
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130
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131 if(shape->stroke) {
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132 area = shape->geo->cur_area;
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133 width = shape->stroke_width;
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134 area->x -= width / 2 + 0.5;
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135 area->y -= width / 2 + 0.5;
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136 area->w += width + 1;
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137 area->h += width + 1;
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138 }
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139 }
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140
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141 void sh_rect_draw(shape_t *shape, mbe_t *cr) {
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142 sh_rect_t *rect = (sh_rect_t *)shape;
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143 int i;
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144 co_aix (*poses)[2];
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145
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146 poses = rect->poses;
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147 if(rect->rx != 0 && rect->ry != 0) {
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148 mbe_move_to(cr, poses[11][0], poses[11][1]);
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149 for(i = 0; i < 12; i += 3) {
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150 mbe_line_to(cr, poses[i][0], poses[i][1]);
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151 mbe_curve_to(cr,
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152 poses[i + 1][0], poses[i + 1][1],
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153 poses[i + 1][0], poses[i + 1][1],
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154 poses[i + 2][0], poses[i + 2][1]);
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155 }
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156 } else {
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157 mbe_move_to(cr, poses[3][0], poses[3][1]);
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158 for(i = 0; i < 4; i++)
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159 mbe_line_to(cr, poses[i][0], poses[i][1]);
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160 }
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161 }