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annotate nodejs/font.cc @ 776:77b561bb7929

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Implement new algorithm to calculate the origin of the SVG elemnts so that we can implement object resize without changing the position of the object. However, the image does not work here since it does not use the transformation of the group.
author wycc
date Mon, 30 Aug 2010 08:56:44 +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 }