Mercurial > MadButterfly

annotate nodejs/shapes.cc @ 1401:2fc1f54a1a3b

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Mainly fix the clone_from_subtree to update the children of the parent node. We need to clearify all related codes in the future to make the logic more clear.
author wycc
date Sun, 03 Apr 2011 18:12:42 +0800
parents df6ee4568ca2
children
rev   line source
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
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2 // vim: sw=4:ts=8:sts=4
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3 #include <v8.h>
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4 #include "mbfly_njs.h"
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5
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6 #include <string.h>
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7
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8 extern "C" {
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9 #include <mb.h>
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10 }
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11
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12 #ifndef ASSERT
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13 #define ASSERT(x)
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14 #endif
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15
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16 #define OK 0
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17
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18 using namespace v8;
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19
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20 /*! \defgroup xnjsmb_shapes JS binding for shapes.
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21 * \ingroup xnjsmb
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22 *
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23 * @{
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24 */
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25 /*! \brief This function is called when GC collecting a shape.
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26 *
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27 * It was installed by Persistent<Object>::MakeWeak().
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28 */
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29 static void
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30 xnjsmb_shape_recycled(Persistent<Value> obj, void *parameter) {
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31 Persistent<Object> *self_hdl = (Persistent<Object> *)parameter;
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32 Handle<Object> js_rt;
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33 redraw_man_t *rdman;
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34 shape_t *shape;
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35
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36 shape = (shape_t *)UNWRAP(*self_hdl);
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37 if(shape == NULL)
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38 return;
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39
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40 WRAP(*self_hdl, NULL);
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41
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42 js_rt = GET(*self_hdl, "mbrt")->ToObject();
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43 rdman = xnjsmb_rt_rdman(js_rt);
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44 rdman_shape_changed(rdman, shape);
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45 rdman_shape_free(rdman, shape);
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46
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47 self_hdl->Dispose();
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48 delete self_hdl;
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49 }
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50
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51 static void
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52 xnjsmb_shape_mod(Handle<Object> self, shape_t *sh) {
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53 Persistent<Object> *self_hdl;
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54 static int count = 0;
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55
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56 /* Keep associated js object in property store for retrieving,
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57 * later, without create new js object.
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58 */
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59 self_hdl = new Persistent<Object>();
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60 *self_hdl = Persistent<Object>::New(self);
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61 mb_prop_set(&sh->obj.props, PROP_JSOBJ, self_hdl);
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62
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63 self_hdl->MakeWeak(self_hdl, xnjsmb_shape_recycled);
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64
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65 /* XXX: should be remove. It is for trace recycle of shape */
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66 count++;
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67 if(count > 10000) {
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68 V8::LowMemoryNotification();
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69 count = 0;
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70 }
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71 }
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72
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73 static void
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74 xnjsmb_sh_stext_set_text(shape_t *sh, Handle<Object> self,
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75 const char *txt) {
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76 Handle<Object> rt;
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77 redraw_man_t *rdman;
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78
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79 sh_stext_set_text(sh, txt);
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80
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81 /*
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82 * Mark changed.
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83 */
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84 rt = GET(self, "mbrt")->ToObject();
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85 ASSERT(rt != NULL);
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86 rdman = xnjsmb_rt_rdman(rt);
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87
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88 if(sh_get_coord(sh))
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89 rdman_shape_changed(rdman, sh);
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90 }
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91
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92 /*! \brief Set style blocks for a stext object from JS.
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93 *
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94 * A style block is style setting of a chip of text. It is a 3-tuple,
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95 * includes number of charaters, a font face, and font size. This
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96 * function need a list of 3-tuples to set style of text chips of the
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97 * stext.
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98 */
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99 static void
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100 xnjsmb_sh_stext_set_style(shape_t *sh, Handle<Object> self,
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101 Handle<Value> blks, const char **err) {
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102 Array *blksobj;
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103 Array *blkobj;
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104 mb_style_blk_t *mb_blks;
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105 int nblks;
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106 Handle<Object> rt;
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107 redraw_man_t *rdman;
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108 int r;
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109 int i;
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110
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111 blksobj = Array::Cast(*blks);
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112 nblks = blksobj->Length();
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113 mb_blks = new mb_style_blk_t[nblks];
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114 for(i = 0; i < nblks; i++) {
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115 blkobj = Array::Cast(*blksobj->Get(i));
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116 mb_blks[i].n_chars = blkobj->Get(0)->ToInt32()->Value();
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117 mb_blks[i].face = (mb_font_face_t *)UNWRAP(blkobj->Get(1)->ToObject());
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118 mb_blks[i].font_sz = blkobj->Get(2)->ToNumber()->Value();
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119 }
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120
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121 r = sh_stext_set_style(sh, mb_blks, nblks);
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122 if(r != 0) {
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123 *err = "Unknown error";
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124 return;
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125 }
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126
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127 /*
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128 * Mark changed.
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129 */
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diff changeset
130 rt = GET(self, "mbrt")->ToObject();
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diff changeset
131 ASSERT(rt != NULL);
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132 rdman = xnjsmb_rt_rdman(rt);
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133
688
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134 if(sh_get_coord(sh))
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diff changeset
135 rdman_shape_changed(rdman, sh);
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136
683
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137 delete mb_blks;
564
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138 }
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139
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140 static Handle<Value>
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141 xnjsmb_shape_stroke_width_get(Handle<Object> self, shape_t *sh,
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142 const char **err) {
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143 float stroke_width;
564
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144
683
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145 stroke_width = sh_get_stroke_width(sh);
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146 return Number::New(stroke_width);
564
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147 }
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148
683
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149 static void
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diff changeset
150 xnjsmb_shape_stroke_width_set(Handle<Object> self, shape_t *sh,
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151 Handle<Value> value, const char **err) {
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152 float stroke_width;
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153 Handle<Object> rt;
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154 redraw_man_t *rdman;
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155
683
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156 stroke_width = value->Int32Value();
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diff changeset
157 sh_set_stroke_width(sh, stroke_width);
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158
570
49e79253b6d3 Functions of setting/getting stroke width of a shape
Thinker K.F. Li <thinker@branda.to>
parents: 569
diff changeset
159 /*
49e79253b6d3 Functions of setting/getting stroke width of a shape
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160 * Mark changed.
49e79253b6d3 Functions of setting/getting stroke width of a shape
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diff changeset
161 */
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162 rt = GET(self, "mbrt")->ToObject();
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diff changeset
163 ASSERT(rt != NULL);
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diff changeset
164 rdman = xnjsmb_rt_rdman(rt);
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165
576
5a68e2bcea17 Set font styles for stext in Javascript
Thinker K.F. Li <thinker@branda.to>
parents: 574
diff changeset
166 if(sh_get_coord(sh))
5a68e2bcea17 Set font styles for stext in Javascript
Thinker K.F. Li <thinker@branda.to>
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diff changeset
167 rdman_shape_changed(rdman, sh);
570
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Thinker K.F. Li <thinker@branda.to>
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168 }
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169
690
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Thinker K.F. Li <thinker@branda.to>
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170 static void
749
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Thinker K.F. Li <thinker@codemud.net>
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171 xnjsmb_shape_show(shape_t *sh, Handle<Object> self) {
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172 Handle<Object> js_rt;
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173 redraw_man_t *rdman;
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174
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175 js_rt = GET(self, "mbrt")->ToObject();
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Thinker K.F. Li <thinker@codemud.net>
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176 ASSERT(js_rt != NULL);
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177 rdman = xnjsmb_rt_rdman(js_rt);
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178
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179 sh_show(sh);
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diff changeset
180 rdman_shape_changed(rdman, sh);
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Thinker K.F. Li <thinker@codemud.net>
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181 }
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182
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183 static void
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184 xnjsmb_shape_hide(shape_t *sh, Handle<Object> self) {
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diff changeset
185 Handle<Object> js_rt;
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186 redraw_man_t *rdman;
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187
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188 js_rt = GET(self, "mbrt")->ToObject();
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189 ASSERT(js_rt != NULL);
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190 rdman = xnjsmb_rt_rdman(js_rt);
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diff changeset
191
749
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diff changeset
192 sh_hide(sh);
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diff changeset
193 rdman_shape_changed(rdman, sh);
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194 }
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195
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196 static void
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197 xnjsmb_shape_remove(shape_t *sh, Handle<Object> self) {
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diff changeset
198 Handle<Object> js_rt;
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199 redraw_man_t *rdman;
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200 Persistent<Object> *self_hdl;
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diff changeset
201 int r;
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diff changeset
202
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203 self_hdl = (Persistent<Object> *)mb_prop_get(&sh->obj.props,
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diff changeset
204 PROP_JSOBJ);
822
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diff changeset
205
748
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diff changeset
206 SET(*self_hdl, "valid", Boolean::New(0));
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diff changeset
207 WRAP(*self_hdl, NULL);
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diff changeset
208
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diff changeset
209 js_rt = GET(*self_hdl, "mbrt")->ToObject();
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diff changeset
210 ASSERT(js_rt != NULL);
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diff changeset
211 rdman = xnjsmb_rt_rdman(js_rt);
822
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diff changeset
212
748
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
213 rdman_shape_changed(rdman, sh);
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
214 r = rdman_shape_free(rdman, sh);
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parents: 743
diff changeset
215 if(r != OK)
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diff changeset
216 THROW_noret("Can not free a shape for unknown reason");
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diff changeset
217
766
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Thinker K.F. Li <thinker@codemud.net>
parents: 764
diff changeset
218 self_hdl->Dispose();
748
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diff changeset
219 delete self_hdl;
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
220 }
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diff changeset
221
56a5e08cd8af Make shapes can be removed from the tree
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parents: 743
diff changeset
222 static void
690
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parents: 689
diff changeset
223 xnjsmb_sh_rect_set(shape_t *sh, Handle<Object> self, float x, float y,
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
224 float w, float h, float rx, float ry) {
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
225 Handle<Object> rt;
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parents: 689
diff changeset
226 redraw_man_t *rdman;
822
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Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
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diff changeset
227
690
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diff changeset
228 sh_rect_set(sh, x, y, w, h, rx, ry);
822
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diff changeset
229
690
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
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diff changeset
230 /*
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parents: 689
diff changeset
231 * Mark changed.
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
232 */
86c6ebf1de25 Add JS binding for sh_rect_t
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diff changeset
233 rt = GET(self, "mbrt")->ToObject();
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
234 ASSERT(rt != NULL);
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
235 rdman = xnjsmb_rt_rdman(rt);
822
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parents: 780
diff changeset
236
690
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
237 if(sh_get_coord(sh))
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
238 rdman_shape_changed(rdman, sh);
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
239 }
86c6ebf1de25 Add JS binding for sh_rect_t
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parents: 689
diff changeset
240
564
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241 /* @} */
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parents:
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242
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
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diff changeset
243 #include "shapes-inc.h"
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diff changeset
244
687
da12923a789a Migrate paints.cc to use gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 684
diff changeset
245 /*! \defgroup xnjsmb_shapes_wraps Exported wrapper makers for shapes
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
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diff changeset
246 * \ingroup xnjsmb_shapes
822
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parents: 780
diff changeset
247 *
687
da12923a789a Migrate paints.cc to use gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 684
diff changeset
248 * These functions are used by methods of mb_rt to wrap shape objects
da12923a789a Migrate paints.cc to use gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 684
diff changeset
249 * as Javascript objects.
565
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
250 *
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
251 * @{
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
252 */
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
253 Handle<Value>
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
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parents: 675
diff changeset
254 export_xnjsmb_auto_path_new(shape_t *sh) {
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Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
255 return xnjsmb_auto_path_new(sh);
565
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
256 }
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
257
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
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diff changeset
258 Handle<Value>
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
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parents: 675
diff changeset
259 export_xnjsmb_auto_stext_new(shape_t *sh) {
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
260 return xnjsmb_auto_stext_new(sh);
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261 }
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262
683
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263 Handle<Value>
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264 export_xnjsmb_auto_image_new(shape_t *sh) {
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265 return xnjsmb_auto_image_new(sh);
565
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266 }
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267
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268 Handle<Value>
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269 export_xnjsmb_auto_rect_new(shape_t *sh) {
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270 return xnjsmb_auto_rect_new(sh);
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271 }
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272
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273 /* @} */
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274
687
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275 /*! \defgroup xnjsmb_shapes_cons Constructor of shapes
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276 * \ingroup xnjsmb_shapes
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277 *
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278 * @{
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279 */
683
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280 shape_t *
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281 xnjsmb_path_new(njs_runtime_t *rt, const char *d) {
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282 redraw_man_t *rdman;
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283 shape_t *sh;
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284
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285 rdman = njs_mb_rdman(rt);
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286 sh = rdman_shape_path_new(rdman, d);
767
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287 /* Code generator supposes that callee should free the memory */
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288 free((void *)d);
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289
683
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290 return sh;
574
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291 }
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292
683
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293 shape_t *
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294 xnjsmb_stext_new(njs_runtime_t *rt, const char *txt, float x, float y) {
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295 redraw_man_t *rdman;
576
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296 shape_t *sh;
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297
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298 rdman = njs_mb_rdman(rt);
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299 sh = rdman_shape_stext_new(rdman, txt, x, y);
767
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300 /* Code generator supposes that callee should free the memory */
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301 free((void *)txt);
576
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302
683
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303 return sh;
574
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304 }
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305
683
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306 shape_t *
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307 xnjsmb_image_new(njs_runtime_t *rt, float x, float y, float w, float h) {
641
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308 redraw_man_t *rdman;
683
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309 shape_t *sh;
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310
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311 rdman = njs_mb_rdman(rt);
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312 sh = rdman_shape_image_new(rdman, x, y, w, h);
641
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313
683
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314 return sh;
641
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315 }
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316
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317 shape_t *
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318 xnjsmb_rect_new(njs_runtime_t *rt, float x, float y, float w, float h,
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319 float rx, float ry, const char **err) {
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320 redraw_man_t *rdman;
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321 shape_t *sh;
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322
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323 rdman = njs_mb_rdman(rt);
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324 sh = rdman_shape_rect_new(rdman, x, y, w, h, rx, ry);
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325 if(sh == NULL) {
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326 *err = "Can not create a sh_rect_t";
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327 return NULL;
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328 }
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329
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330 return sh;
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331 }
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332
641
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333 /* @} */
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334
565
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335 /*! \brief Set properties of template of mb_rt.
683
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336 * \ingroup xnjsmb_shapes
565
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337 */
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diff changeset
338 void
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339 xnjsmb_shapes_init_mb_rt_temp(Handle<FunctionTemplate> rt_temp) {
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340 HandleScope scope;
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341 Handle<FunctionTemplate> path_new_temp, stext_new_temp;
641
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342 Handle<FunctionTemplate> image_new_temp;
565
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343 Handle<ObjectTemplate> rt_proto_temp;
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344 static int temp_init_flag = 0;
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345
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diff changeset
346 if(temp_init_flag == 0) {
683
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347 xnjsmb_auto_shape_init();
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diff changeset
348 xnjsmb_auto_path_init();
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diff changeset
349 xnjsmb_auto_stext_init();
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diff changeset
350 xnjsmb_auto_image_init();
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351 xnjsmb_auto_rect_init();
565
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352 temp_init_flag = 1;
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diff changeset
353 }
683
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diff changeset
354 return;
565
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355 }