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annotate nodejs/paints.cc @ 570:49e79253b6d3 Android_Skia

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Functions of setting/getting stroke width of a shape
author Thinker K.F. Li <thinker@branda.to>
date Wed, 09 Jun 2010 15:10:29 +0800
parents f87a368e847a
children 5a68e2bcea17
rev   line source
567
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1 #include <v8.h>
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2
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3 extern "C" {
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4 #include "mb.h"
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5 }
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6
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7 #include "mbfly_njs.h"
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8
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9 using namespace v8;
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10
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11 #ifndef ASSERT
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12 #define ASSERT(x)
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13 #endif
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14
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15
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16 /*! \brief Fill a shape with the paint.
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17 */
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18 static Handle<Value>
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19 xnjsmb_paint_fill(const Arguments &args) {
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20 int argc = args.Length();
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21 Handle<Object> self = args.This();
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22 Handle<Object> sh_obj;
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23 Handle<Object> rt;
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24 Handle<Value> rt_val;
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25 paint_t *paint;
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26 shape_t *sh;
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27 redraw_man_t *rdman;
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28
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29 if(argc != 1)
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30 THROW("Invalid number of arguments (!= 1)");
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31 if(!args[0]->IsObject())
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32 THROW("Invalid argument type (shape)");
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33
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34 paint = (paint_t *)UNWRAP(self);
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35
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36 sh_obj = args[0]->ToObject();
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37 sh = (shape_t *)UNWRAP(sh_obj);
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38
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39 rt_val = GET(self, "mbrt");
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40 rt = rt_val->ToObject();
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41 rdman = xnjsmb_rt_rdman(rt);
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42
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43 rdman_paint_fill(rdman, paint, sh);
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44
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45 rdman_shape_changed(rdman, sh);
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46
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47 return Null();
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48 }
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49
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50 /*! \brief Stroke a shape with the paint.
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51 */
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52 static Handle<Value>
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53 xnjsmb_paint_stroke(const Arguments &args) {
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54 int argc = args.Length();
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55 Handle<Object> self = args.This();
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56 Handle<Object> sh_obj;
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57 Handle<Object> rt;
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58 Handle<Value> rt_val, sh_val;
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59 paint_t *paint;
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60 shape_t *sh;
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61 redraw_man_t *rdman;
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62
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63 if(argc != 1)
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64 THROW("Invalid number of arguments (!= 1)");
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65 if(!args[0]->IsObject())
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66 THROW("Invalid argument type (shape)");
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67
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68 paint = (paint_t *)UNWRAP(self);
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69
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70 sh_val = args[0];
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71 sh_obj = sh_val->ToObject();
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72 sh = (shape_t *)UNWRAP(sh_obj);
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73
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74 rt_val = GET(self, "mbrt");
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75 rt = rt_val->ToObject();
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76 rdman = xnjsmb_rt_rdman(rt);
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77
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78 rdman_paint_stroke(rdman, paint, sh);
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79
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80 rdman_shape_changed(rdman, sh);
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81
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82 return Null();
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83 }
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84
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85 /*! \brief Constructor of color paint_color_t object for Javascript.
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86 */
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87 static Handle<Value>
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88 xnjsmb_paint_color(const Arguments &args) {
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89 int argc = args.Length();
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90 Handle<Object> self = args.This();
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91 Handle<Object> rt;
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92 redraw_man_t *rdman;
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93 paint_t *paint;
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94 float r, g, b, a;
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95
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96 if(argc != 5)
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97 THROW("Invalid number of arguments (!= 5)");
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98 if(!args[0]->IsObject() || !args[1]->IsNumber() ||
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99 !args[2]->IsNumber() || !args[3]->IsNumber() ||
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100 !args[4]->IsNumber())
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101 THROW("Invalid argument type");
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102
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103 rt = args[0]->ToObject();
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104 r = args[1]->ToNumber()->Value();
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105 g = args[2]->ToNumber()->Value();
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106 b = args[3]->ToNumber()->Value();
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107 a = args[4]->ToNumber()->Value();
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108
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109 rdman = xnjsmb_rt_rdman(rt);
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110 paint = rdman_paint_color_new(rdman, r, g, b, a);
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111 ASSERT(sh != NULL);
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112
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113 WRAP(self, paint);
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114 SET(self, "mbrt", rt);
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115
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116 return Null();
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117 }
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118
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119 static Persistent<FunctionTemplate> xnjsmb_paint_temp;
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120 static Persistent<FunctionTemplate> xnjsmb_paint_color_temp;
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121
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122 /*! \brief Create and return a paint_color object.
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123 */
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124 static Handle<Value>
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125 xnjsmb_paint_color_new(const Arguments &args) {
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126 HandleScope scope;
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127 Handle<Object> rt = args.This();
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128 Handle<Object> paint_color_obj;
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129 Handle<Function> paint_color_func;
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130 Handle<Value> pc_args[5];
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131 int argc;
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132 int i;
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133
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134 argc = args.Length();
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135 if(argc != 4)
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136 THROW("Invalid number of arguments (r, g, b, a)");
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137 for(i = 0; i < 4; i++)
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138 if(!args[i]->IsNumber())
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139 THROW("Invalid argument type");
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140
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141 pc_args[0] = rt;
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142 pc_args[1] = args[0]; // r
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143 pc_args[2] = args[1]; // g
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144 pc_args[3] = args[2]; // b
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145 pc_args[4] = args[3]; // a
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146 paint_color_func = xnjsmb_paint_color_temp->GetFunction();
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147 paint_color_obj = paint_color_func->NewInstance(5, pc_args);
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148
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149 scope.Close(paint_color_obj);
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150 return paint_color_obj;
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151 }
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152
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153 static Persistent<FunctionTemplate> xnjsmb_paint_color_new_temp;
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154
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155 /*! \brief Create templates for paint types.
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156 *
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157 * This function is only called one time for every execution.
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158 */
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159 static void
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160 xnjsmb_init_paints(void) {
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161 Handle<FunctionTemplate> temp, meth;
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162 Handle<ObjectTemplate> inst_temp;
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163 Handle<ObjectTemplate> proto_temp;
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164
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165 /*
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166 * Base type of paint types.
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167 */
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168 temp = FunctionTemplate::New();
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169 xnjsmb_paint_temp = Persistent<FunctionTemplate>::New(temp);
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170 xnjsmb_paint_temp->SetClassName(String::New("paint"));
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171
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172 meth = FunctionTemplate::New(xnjsmb_paint_fill);
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173 proto_temp = xnjsmb_paint_temp->PrototypeTemplate();
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174 SET(proto_temp, "fill", meth);
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175
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176 meth = FunctionTemplate::New(xnjsmb_paint_stroke);
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177 proto_temp = xnjsmb_paint_temp->PrototypeTemplate();
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178 SET(proto_temp, "stroke", meth);
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179
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180 /*
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181 * Paint color
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182 */
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183 temp = FunctionTemplate::New(xnjsmb_paint_color);
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184 xnjsmb_paint_color_temp = Persistent<FunctionTemplate>::New(temp);
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185 xnjsmb_paint_color_temp->SetClassName(String::New("paint_color"));
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186 xnjsmb_paint_color_temp->Inherit(xnjsmb_paint_temp);
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187
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188 inst_temp = xnjsmb_paint_color_temp->InstanceTemplate();
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189 inst_temp->SetInternalFieldCount(1);
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190
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191 temp = FunctionTemplate::New(xnjsmb_paint_color_new);
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192 xnjsmb_paint_color_new_temp = Persistent<FunctionTemplate>::New(temp);
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193 }
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194
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195 void xnjsmb_paints_init_mb_rt_temp(Handle<FunctionTemplate> rt_temp) {
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196 static int init_flag = 0;
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197 Handle<ObjectTemplate> rt_proto_temp;
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198
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199 if(!init_flag) {
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200 xnjsmb_init_paints();
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201 init_flag = 1;
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202 }
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203
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204 rt_proto_temp = rt_temp->PrototypeTemplate();
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205 SET(rt_proto_temp, "paint_color_new", xnjsmb_paint_color_new_temp);
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206 }