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annotate nodejs/paints.cc @ 568:d796e6b8b97e Android_Skia

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Real initialize a paint_color_t object for paint_color JS obj
author Thinker K.F. Li <thinker@branda.to>
date Wed, 09 Jun 2010 14:10:58 +0800
parents a12c3448afb6
children f87a368e847a
rev   line source
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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 Constructor of color paint_color_t object for Javascript.
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17 */
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18 static Handle<Value>
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19 xnjsmb_paint_color(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> rt;
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23 redraw_man_t *rdman;
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24 paint_t *paint;
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25 float r, g, b, a;
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26
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27 if(argc != 5)
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28 THROW("Invalid number of arguments (!= 5)");
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29 if(!args[0]->IsObject() || !args[1]->IsNumber() ||
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30 !args[2]->IsNumber() || !args[3]->IsNumber() ||
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31 !args[4]->IsNumber())
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32 THROW("Invalid argument type");
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33
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34 rt = args[0]->ToObject();
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35 r = args[1]->ToNumber()->Value();
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36 g = args[2]->ToNumber()->Value();
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37 b = args[3]->ToNumber()->Value();
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38 a = args[4]->ToNumber()->Value();
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39
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40 rdman = xnjsmb_rt_rdman(rt);
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41 paint = rdman_paint_color_new(rdman, r, g, b, a);
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42 ASSERT(sh != NULL);
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43
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44 WRAP(self, paint);
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45
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46 return Null();
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47 }
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48
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49 static Persistent<FunctionTemplate> xnjsmb_paint_temp;
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50 static Persistent<FunctionTemplate> xnjsmb_paint_color_temp;
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51
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52 /*! \brief Create and return a paint_color object.
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53 */
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54 static Handle<Value>
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55 xnjsmb_paint_color_new(const Arguments &args) {
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56 HandleScope scope;
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57 Handle<Object> rt = args.This();
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58 Handle<Object> paint_color_obj;
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59 Handle<Function> paint_color_func;
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60 Handle<Value> pc_args[5];
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61 int argc;
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62 int i;
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63
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64 argc = args.Length();
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65 if(argc != 4)
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66 THROW("Invalid number of arguments (r, g, b, a)");
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67 for(i = 0; i < 4; i++)
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68 if(!args[i]->IsNumber())
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69 THROW("Invalid argument type");
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70
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71 pc_args[0] = rt;
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72 pc_args[1] = args[0]; // r
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73 pc_args[2] = args[1]; // g
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74 pc_args[3] = args[2]; // b
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75 pc_args[4] = args[3]; // a
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76 paint_color_func = xnjsmb_paint_color_temp->GetFunction();
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77 paint_color_obj = paint_color_func->NewInstance(5, pc_args);
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78
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79 scope.Close(paint_color_obj);
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80 return paint_color_obj;
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81 }
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82
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83 static Persistent<FunctionTemplate> xnjsmb_paint_color_new_temp;
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84
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85 /*! \brief Create templates for paint types.
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86 *
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87 * This function is only called one time for every execution.
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88 */
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89 static void
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90 xnjsmb_init_paints(void) {
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91 Handle<FunctionTemplate> temp;
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92 Handle<ObjectTemplate> inst_temp;
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93
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94 /*
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95 * Base type of paint types.
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96 */
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97 temp = FunctionTemplate::New();
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98 xnjsmb_paint_temp = Persistent<FunctionTemplate>::New(temp);
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99 xnjsmb_paint_temp->SetClassName(String::New("paint"));
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100
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101 /*
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102 * Paint color
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103 */
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104 temp = FunctionTemplate::New(xnjsmb_paint_color);
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105 xnjsmb_paint_color_temp = Persistent<FunctionTemplate>::New(temp);
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106 xnjsmb_paint_color_temp->SetClassName(String::New("paint_color"));
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107 xnjsmb_paint_color_temp->Inherit(xnjsmb_paint_temp);
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108
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109 inst_temp = xnjsmb_paint_color_temp->InstanceTemplate();
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110 inst_temp->SetInternalFieldCount(1);
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111
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112 temp = FunctionTemplate::New(xnjsmb_paint_color_new);
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113 xnjsmb_paint_color_new_temp = Persistent<FunctionTemplate>::New(temp);
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114 }
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115
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116 void xnjsmb_paints_init_mb_rt_temp(Handle<FunctionTemplate> rt_temp) {
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117 static int init_flag = 0;
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118 Handle<ObjectTemplate> rt_proto_temp;
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119
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120 if(!init_flag) {
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121 xnjsmb_init_paints();
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122 init_flag = 1;
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123 }
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124
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125 rt_proto_temp = rt_temp->PrototypeTemplate();
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126 SET(rt_proto_temp, "paint_color_new", xnjsmb_paint_color_new_temp);
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127 }