Mercurial > MadButterfly

annotate nodejs/shapes.cc @ 856:88f4916a0691 abs_n_rel_center

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Compute y position according center of lightbar and text
author Thinker K.F. Li <thinker@codemud.net>
date Mon, 20 Sep 2010 22:43:43 +0800
parents 586e50f82c1f
children 2b492008ce26
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 /*! \brief Set style blocks for a stext object from JS.
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74 *
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75 * A style block is style setting of a chip of text. It is a 3-tuple,
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76 * includes number of charaters, a font face, and font size. This
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77 * function need a list of 3-tuples to set style of text chips of the
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78 * stext.
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79 */
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80 static void
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81 xnjsmb_sh_stext_set_style(shape_t *sh, Handle<Object> self,
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82 Handle<Value> blks, const char **err) {
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83 Array *blksobj;
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84 Array *blkobj;
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85 mb_style_blk_t *mb_blks;
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86 int nblks;
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87 Handle<Object> rt;
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88 redraw_man_t *rdman;
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89 int r;
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90 int i;
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91
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92 blksobj = Array::Cast(*blks);
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93 nblks = blksobj->Length();
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94 mb_blks = new mb_style_blk_t[nblks];
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95 for(i = 0; i < nblks; i++) {
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96 blkobj = Array::Cast(*blksobj->Get(i));
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97 mb_blks[i].n_chars = blkobj->Get(0)->ToInt32()->Value();
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98 mb_blks[i].face = (mb_font_face_t *)UNWRAP(blkobj->Get(1)->ToObject());
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99 mb_blks[i].font_sz = blkobj->Get(2)->ToNumber()->Value();
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100 }
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101
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102 r = sh_stext_set_style(sh, mb_blks, nblks);
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103 if(r != 0) {
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104 *err = "Unknown error";
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105 return;
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106 }
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107
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108 /*
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109 * Mark changed.
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110 */
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111 rt = GET(self, "mbrt")->ToObject();
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112 ASSERT(rt != NULL);
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113 rdman = xnjsmb_rt_rdman(rt);
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114
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115 if(sh_get_coord(sh))
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116 rdman_shape_changed(rdman, sh);
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117
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118 delete mb_blks;
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119 }
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120
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121 static Handle<Value>
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122 xnjsmb_shape_stroke_width_get(Handle<Object> self, shape_t *sh,
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123 const char **err) {
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124 float stroke_width;
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125
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126 stroke_width = sh_get_stroke_width(sh);
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127 return Number::New(stroke_width);
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128 }
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129
683
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diff changeset
130 static void
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diff changeset
131 xnjsmb_shape_stroke_width_set(Handle<Object> self, shape_t *sh,
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diff changeset
132 Handle<Value> value, const char **err) {
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diff changeset
133 float stroke_width;
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diff changeset
134 Handle<Object> rt;
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diff changeset
135 redraw_man_t *rdman;
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diff changeset
136
683
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diff changeset
137 stroke_width = value->Int32Value();
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diff changeset
138 sh_set_stroke_width(sh, stroke_width);
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diff changeset
139
570
49e79253b6d3 Functions of setting/getting stroke width of a shape
Thinker K.F. Li <thinker@branda.to>
parents: 569
diff changeset
140 /*
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parents: 569
diff changeset
141 * Mark changed.
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parents: 569
diff changeset
142 */
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parents: 569
diff changeset
143 rt = GET(self, "mbrt")->ToObject();
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parents: 569
diff changeset
144 ASSERT(rt != NULL);
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parents: 569
diff changeset
145 rdman = xnjsmb_rt_rdman(rt);
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diff changeset
146
576
5a68e2bcea17 Set font styles for stext in Javascript
Thinker K.F. Li <thinker@branda.to>
parents: 574
diff changeset
147 if(sh_get_coord(sh))
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Thinker K.F. Li <thinker@branda.to>
parents: 574
diff changeset
148 rdman_shape_changed(rdman, sh);
570
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Thinker K.F. Li <thinker@branda.to>
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diff changeset
149 }
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diff changeset
150
690
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
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diff changeset
151 static void
749
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Thinker K.F. Li <thinker@codemud.net>
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152 xnjsmb_shape_show(shape_t *sh, Handle<Object> self) {
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153 Handle<Object> js_rt;
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154 redraw_man_t *rdman;
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155
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156 js_rt = GET(self, "mbrt")->ToObject();
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157 ASSERT(js_rt != NULL);
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158 rdman = xnjsmb_rt_rdman(js_rt);
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diff changeset
159
749
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160 sh_show(sh);
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
161 rdman_shape_changed(rdman, sh);
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Thinker K.F. Li <thinker@codemud.net>
parents: 748
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162 }
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163
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164 static void
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Thinker K.F. Li <thinker@codemud.net>
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165 xnjsmb_shape_hide(shape_t *sh, Handle<Object> self) {
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diff changeset
166 Handle<Object> js_rt;
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diff changeset
167 redraw_man_t *rdman;
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168
749
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169 js_rt = GET(self, "mbrt")->ToObject();
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170 ASSERT(js_rt != NULL);
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171 rdman = xnjsmb_rt_rdman(js_rt);
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172
749
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Thinker K.F. Li <thinker@codemud.net>
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173 sh_hide(sh);
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
174 rdman_shape_changed(rdman, sh);
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Thinker K.F. Li <thinker@codemud.net>
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175 }
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176
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177 static void
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Thinker K.F. Li <thinker@codemud.net>
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178 xnjsmb_shape_remove(shape_t *sh, Handle<Object> self) {
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179 Handle<Object> js_rt;
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180 redraw_man_t *rdman;
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181 Persistent<Object> *self_hdl;
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diff changeset
182 int r;
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183
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184 self_hdl = (Persistent<Object> *)mb_prop_get(&sh->obj.props,
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185 PROP_JSOBJ);
822
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diff changeset
186
748
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187 SET(*self_hdl, "valid", Boolean::New(0));
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188 WRAP(*self_hdl, NULL);
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diff changeset
189
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190 js_rt = GET(*self_hdl, "mbrt")->ToObject();
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parents: 743
diff changeset
191 ASSERT(js_rt != NULL);
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diff changeset
192 rdman = xnjsmb_rt_rdman(js_rt);
822
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diff changeset
193
748
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
194 rdman_shape_changed(rdman, sh);
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parents: 743
diff changeset
195 r = rdman_shape_free(rdman, sh);
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Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
196 if(r != OK)
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diff changeset
197 THROW_noret("Can not free a shape for unknown reason");
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diff changeset
198
766
be0e02948c1d Improve resource management for coords, shapes and paints.
Thinker K.F. Li <thinker@codemud.net>
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diff changeset
199 self_hdl->Dispose();
748
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diff changeset
200 delete self_hdl;
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diff changeset
201 }
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diff changeset
202
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parents: 743
diff changeset
203 static void
690
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parents: 689
diff changeset
204 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
205 float w, float h, float rx, float ry) {
86c6ebf1de25 Add JS binding for sh_rect_t
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diff changeset
206 Handle<Object> rt;
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
207 redraw_man_t *rdman;
822
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Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 780
diff changeset
208
690
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Thinker K.F. Li <thinker@branda.to>
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diff changeset
209 sh_rect_set(sh, x, y, w, h, rx, ry);
822
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Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 780
diff changeset
210
690
86c6ebf1de25 Add JS binding for sh_rect_t
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diff changeset
211 /*
86c6ebf1de25 Add JS binding for sh_rect_t
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parents: 689
diff changeset
212 * Mark changed.
86c6ebf1de25 Add JS binding for sh_rect_t
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parents: 689
diff changeset
213 */
86c6ebf1de25 Add JS binding for sh_rect_t
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parents: 689
diff changeset
214 rt = GET(self, "mbrt")->ToObject();
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
215 ASSERT(rt != NULL);
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
216 rdman = xnjsmb_rt_rdman(rt);
822
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Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 780
diff changeset
217
690
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
218 if(sh_get_coord(sh))
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
219 rdman_shape_changed(rdman, sh);
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
220 }
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
221
564
0cd1511272d2 Make base type for shapes.
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parents:
diff changeset
222 /* @} */
0cd1511272d2 Make base type for shapes.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
223
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
224 #include "shapes-inc.h"
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
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diff changeset
225
687
da12923a789a Migrate paints.cc to use gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 684
diff changeset
226 /*! \defgroup xnjsmb_shapes_wraps Exported wrapper makers for shapes
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
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parents: 675
diff changeset
227 * \ingroup xnjsmb_shapes
822
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parents: 780
diff changeset
228 *
687
da12923a789a Migrate paints.cc to use gen_v8_binding.m4
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parents: 684
diff changeset
229 * 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
230 * as Javascript objects.
565
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
231 *
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
232 * @{
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
233 */
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
234 Handle<Value>
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
235 export_xnjsmb_auto_path_new(shape_t *sh) {
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
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parents: 675
diff changeset
236 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
237 }
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
238
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
239 Handle<Value>
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
240 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
241 return xnjsmb_auto_stext_new(sh);
565
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
242 }
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
243
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
244 Handle<Value>
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
245 export_xnjsmb_auto_image_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
246 return xnjsmb_auto_image_new(sh);
565
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
247 }
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
248
690
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
249 Handle<Value>
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
250 export_xnjsmb_auto_rect_new(shape_t *sh) {
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
251 return xnjsmb_auto_rect_new(sh);
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diff changeset
252 }
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parents: 689
diff changeset
253
565
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
254 /* @} */
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
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diff changeset
255
687
da12923a789a Migrate paints.cc to use gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 684
diff changeset
256 /*! \defgroup xnjsmb_shapes_cons Constructor of shapes
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
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parents: 675
diff changeset
257 * \ingroup xnjsmb_shapes
574
a2faee809514 Implement stext type for Javascript
Thinker K.F. Li <thinker@branda.to>
parents: 570
diff changeset
258 *
a2faee809514 Implement stext type for Javascript
Thinker K.F. Li <thinker@branda.to>
parents: 570
diff changeset
259 * @{
a2faee809514 Implement stext type for Javascript
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parents: 570
diff changeset
260 */
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
261 shape_t *
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262 xnjsmb_path_new(njs_runtime_t *rt, const char *d) {
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263 redraw_man_t *rdman;
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264 shape_t *sh;
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265
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266 rdman = X_njs_MB_rdman(rt);
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267 sh = rdman_shape_path_new(rdman, d);
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268 /* Code generator supposes that callee should free the memory */
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269 free((void *)d);
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270
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271 return sh;
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272 }
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273
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274 shape_t *
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275 xnjsmb_stext_new(njs_runtime_t *rt, const char *txt, float x, float y) {
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276 redraw_man_t *rdman;
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277 shape_t *sh;
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278
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279 rdman = X_njs_MB_rdman(rt);
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280 sh = rdman_shape_stext_new(rdman, txt, x, y);
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281 /* Code generator supposes that callee should free the memory */
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282 free((void *)txt);
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283
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284 return sh;
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285 }
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286
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287 shape_t *
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288 xnjsmb_image_new(njs_runtime_t *rt, float x, float y, float w, float h) {
641
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289 redraw_man_t *rdman;
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290 shape_t *sh;
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291
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292 rdman = X_njs_MB_rdman(rt);
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293 sh = rdman_shape_image_new(rdman, x, y, w, h);
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294
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295 return sh;
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296 }
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297
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298 shape_t *
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299 xnjsmb_rect_new(njs_runtime_t *rt, float x, float y, float w, float h,
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300 float rx, float ry, const char **err) {
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301 redraw_man_t *rdman;
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302 shape_t *sh;
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303
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304 rdman = X_njs_MB_rdman(rt);
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305 sh = rdman_shape_rect_new(rdman, x, y, w, h, rx, ry);
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306 if(sh == NULL) {
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307 *err = "Can not create a sh_rect_t";
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308 return NULL;
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309 }
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310
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311 return sh;
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312 }
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313
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314 /* @} */
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315
565
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316 /*! \brief Set properties of template of mb_rt.
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317 * \ingroup xnjsmb_shapes
565
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318 */
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319 void
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320 xnjsmb_shapes_init_mb_rt_temp(Handle<FunctionTemplate> rt_temp) {
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321 HandleScope scope;
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322 Handle<FunctionTemplate> path_new_temp, stext_new_temp;
641
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323 Handle<FunctionTemplate> image_new_temp;
565
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324 Handle<ObjectTemplate> rt_proto_temp;
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325 static int temp_init_flag = 0;
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326
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327 if(temp_init_flag == 0) {
683
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328 xnjsmb_auto_shape_init();
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329 xnjsmb_auto_path_init();
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diff changeset
330 xnjsmb_auto_stext_init();
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331 xnjsmb_auto_image_init();
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332 xnjsmb_auto_rect_init();
565
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333 temp_init_flag = 1;
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334 }
683
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diff changeset
335 return;
565
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336 }