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annotate nodejs/font.cc @ 722:f95d58a8edd1

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Add javascript-based animation test program. We should make it as module in the future.
author wycc
date Sun, 15 Aug 2010 19:44:09 +0800
parents 5a68e2bcea17
children 586e50f82c1f
rev   line source
575
97159102f886 Function of query font face in Javascript
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1 #include <v8.h>
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2 #include "mbfly_njs.h"
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3
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4 extern "C" {
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5 #include <mb.h>
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6 }
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7
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8 #ifndef ASSERT
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9 #define ASSERT(x)
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10 #endif
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11
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12 using namespace v8;
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13
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14 static Persistent<FunctionTemplate> xnjsmb_font_face_temp;
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15
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16 /*! \brief Query a font face.
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17 *
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18 * This function should be a method of rt object.
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19 *
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20 * \param family is family of font face.
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21 * \param slant is slant type of font face.
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22 * \param weight is weight of font face.
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23 */
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24 static Handle<Value>
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25 xnjsmb_font_face_query(const Arguments &args) {
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26 HandleScope scope;
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27 int argc = args.Length();
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28 Handle<Object> self = args.This();
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29 char *face;
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30 int slant, weight;
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31 redraw_man_t *rdman;
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32 mb_font_face_t *font_face;
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33 Handle<Function> func_obj;
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34 Handle<Object> face_obj;
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35
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36 if(argc != 3)
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37 THROW("Invalid number of arguments (!= 3)");
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38 if(!args[0]->IsString() || !args[1]->IsInt32() || !args[2]->IsInt32())
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39 THROW("Invalid argument type");
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40
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41 String::Utf8Value face_utf8(args[0]);
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42 face = *face_utf8;
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43 slant = args[1]->ToInt32()->Value();
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44 weight = args[2]->ToInt32()->Value();
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45
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46 rdman = xnjsmb_rt_rdman(self);
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47 font_face = mb_font_face_query(rdman, face, slant, weight);
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48 if(font_face == NULL)
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49 return Null();
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50
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51 func_obj = xnjsmb_font_face_temp->GetFunction();
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52 face_obj = func_obj->NewInstance();
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53 WRAP(face_obj, font_face);
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54
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55 return face_obj;
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56 }
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57
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58 static void
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59 xnjsmb_font_face_init_temp(void) {
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60 Handle<FunctionTemplate> temp;
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61 Handle<ObjectTemplate> inst_temp;
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62
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63 temp = FunctionTemplate::New();
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64 temp->SetClassName(String::New("font_face"));
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65
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66 inst_temp = temp->InstanceTemplate();
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67 inst_temp->SetInternalFieldCount(1);
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68
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69 xnjsmb_font_face_temp = Persistent<FunctionTemplate>::New(temp);
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70 }
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71
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5a68e2bcea17 Set font styles for stext in Javascript
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72 /*! \brief Add properties to the template of runtime objects.
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73 */
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74 void
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75 xnjsmb_font_init_mb_rt_temp(Handle<FunctionTemplate> mb_rt_temp) {
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76 HandleScope scope;
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77 static int init_flag = 0;
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78 Handle<ObjectTemplate> rt_proto_temp;
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79 Handle<FunctionTemplate> query_func_temp;
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80
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81 if(!init_flag) {
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82 xnjsmb_font_face_init_temp();
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83 init_flag = 1;
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84 }
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85
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86 rt_proto_temp = mb_rt_temp->PrototypeTemplate();
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87 query_func_temp = FunctionTemplate::New(xnjsmb_font_face_query);
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88 SET(rt_proto_temp, "font_face_query", query_func_temp);
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89 }