Mercurial > MadButterfly
view nodejs/paints.cc @ 584:543a2a8523fb openvg
Make surce current VG context
author | Thinker K.F. Li <thinker@branda.to> |
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date | Wed, 30 Jun 2010 09:44:17 +0800 |
parents | 5a68e2bcea17 |
children | cc39cf3f623c |
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#include <v8.h> extern "C" { #include "mb.h" } #include "mbfly_njs.h" using namespace v8; #ifndef ASSERT #define ASSERT(x) #endif /*! \brief Fill a shape with the paint. */ static Handle<Value> xnjsmb_paint_fill(const Arguments &args) { int argc = args.Length(); Handle<Object> self = args.This(); Handle<Object> sh_obj; Handle<Object> rt; Handle<Value> rt_val; paint_t *paint; shape_t *sh; redraw_man_t *rdman; if(argc != 1) THROW("Invalid number of arguments (!= 1)"); if(!args[0]->IsObject()) THROW("Invalid argument type (shape)"); paint = (paint_t *)UNWRAP(self); sh_obj = args[0]->ToObject(); sh = (shape_t *)UNWRAP(sh_obj); rt_val = GET(self, "mbrt"); rt = rt_val->ToObject(); rdman = xnjsmb_rt_rdman(rt); rdman_paint_fill(rdman, paint, sh); if(sh_get_coord(sh)) rdman_shape_changed(rdman, sh); return Null(); } /*! \brief Stroke a shape with the paint. */ static Handle<Value> xnjsmb_paint_stroke(const Arguments &args) { int argc = args.Length(); Handle<Object> self = args.This(); Handle<Object> sh_obj; Handle<Object> rt; Handle<Value> rt_val, sh_val; paint_t *paint; shape_t *sh; redraw_man_t *rdman; if(argc != 1) THROW("Invalid number of arguments (!= 1)"); if(!args[0]->IsObject()) THROW("Invalid argument type (shape)"); paint = (paint_t *)UNWRAP(self); sh_val = args[0]; sh_obj = sh_val->ToObject(); sh = (shape_t *)UNWRAP(sh_obj); rt_val = GET(self, "mbrt"); rt = rt_val->ToObject(); rdman = xnjsmb_rt_rdman(rt); rdman_paint_stroke(rdman, paint, sh); if(sh_get_coord(sh)) rdman_shape_changed(rdman, sh); return Null(); } /*! \brief Constructor of color paint_color_t object for Javascript. */ static Handle<Value> xnjsmb_paint_color(const Arguments &args) { int argc = args.Length(); Handle<Object> self = args.This(); Handle<Object> rt; redraw_man_t *rdman; paint_t *paint; float r, g, b, a; if(argc != 5) THROW("Invalid number of arguments (!= 5)"); if(!args[0]->IsObject() || !args[1]->IsNumber() || !args[2]->IsNumber() || !args[3]->IsNumber() || !args[4]->IsNumber()) THROW("Invalid argument type"); rt = args[0]->ToObject(); r = args[1]->ToNumber()->Value(); g = args[2]->ToNumber()->Value(); b = args[3]->ToNumber()->Value(); a = args[4]->ToNumber()->Value(); rdman = xnjsmb_rt_rdman(rt); paint = rdman_paint_color_new(rdman, r, g, b, a); ASSERT(sh != NULL); WRAP(self, paint); SET(self, "mbrt", rt); return Null(); } static Persistent<FunctionTemplate> xnjsmb_paint_temp; static Persistent<FunctionTemplate> xnjsmb_paint_color_temp; /*! \brief Create and return a paint_color object. */ static Handle<Value> xnjsmb_paint_color_new(const Arguments &args) { HandleScope scope; Handle<Object> rt = args.This(); Handle<Object> paint_color_obj; Handle<Function> paint_color_func; Handle<Value> pc_args[5]; int argc; int i; argc = args.Length(); if(argc != 4) THROW("Invalid number of arguments (r, g, b, a)"); for(i = 0; i < 4; i++) if(!args[i]->IsNumber()) THROW("Invalid argument type"); pc_args[0] = rt; pc_args[1] = args[0]; // r pc_args[2] = args[1]; // g pc_args[3] = args[2]; // b pc_args[4] = args[3]; // a paint_color_func = xnjsmb_paint_color_temp->GetFunction(); paint_color_obj = paint_color_func->NewInstance(5, pc_args); scope.Close(paint_color_obj); return paint_color_obj; } static Persistent<FunctionTemplate> xnjsmb_paint_color_new_temp; /*! \brief Create templates for paint types. * * This function is only called one time for every execution. */ static void xnjsmb_init_paints(void) { Handle<FunctionTemplate> temp, meth; Handle<ObjectTemplate> inst_temp; Handle<ObjectTemplate> proto_temp; /* * Base type of paint types. */ temp = FunctionTemplate::New(); xnjsmb_paint_temp = Persistent<FunctionTemplate>::New(temp); xnjsmb_paint_temp->SetClassName(String::New("paint")); meth = FunctionTemplate::New(xnjsmb_paint_fill); proto_temp = xnjsmb_paint_temp->PrototypeTemplate(); SET(proto_temp, "fill", meth); meth = FunctionTemplate::New(xnjsmb_paint_stroke); proto_temp = xnjsmb_paint_temp->PrototypeTemplate(); SET(proto_temp, "stroke", meth); /* * Paint color */ temp = FunctionTemplate::New(xnjsmb_paint_color); xnjsmb_paint_color_temp = Persistent<FunctionTemplate>::New(temp); xnjsmb_paint_color_temp->SetClassName(String::New("paint_color")); xnjsmb_paint_color_temp->Inherit(xnjsmb_paint_temp); inst_temp = xnjsmb_paint_color_temp->InstanceTemplate(); inst_temp->SetInternalFieldCount(1); temp = FunctionTemplate::New(xnjsmb_paint_color_new); xnjsmb_paint_color_new_temp = Persistent<FunctionTemplate>::New(temp); } void xnjsmb_paints_init_mb_rt_temp(Handle<FunctionTemplate> rt_temp) { static int init_flag = 0; Handle<ObjectTemplate> rt_proto_temp; if(!init_flag) { xnjsmb_init_paints(); init_flag = 1; } rt_proto_temp = rt_temp->PrototypeTemplate(); SET(rt_proto_temp, "paint_color_new", xnjsmb_paint_color_new_temp); }