MadButterfly: nodejs/image

annotate nodejs/image_ldr.cc @ 640:9016e7e70f7d

Group binding for image loader with Doxygen syntax

author	Thinker K.F. Li <thinker@branda.to>
date	Mon, 26 Jul 2010 20:59:49 +0800
parents	dc32c1c140ae
children	a65720721c60

rev	line source
639 dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1 /*! \file
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	2 * This file implements Javascript binding for img_ldr_t of MadButterfly.
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	3 */
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	4 #include <v8.h>
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	5
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	6 extern "C" {
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	7 #include "mb.h"
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	8 }
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	9
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	10 #include "mbfly_njs.h"
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	11
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	12 using namespace v8;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	13
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	14 #ifndef ASSERT
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	15 #define ASSERT(x)
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	16 #endif
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	17
640 9016e7e70f7d Group binding for image loader with Doxygen syntax Thinker K.F. Li <thinker@branda.to> parents: 639 diff changeset	18 /*! \defgroup img_ldr_js Javascript binding for image loader.
9016e7e70f7d Group binding for image loader with Doxygen syntax Thinker K.F. Li <thinker@branda.to> parents: 639 diff changeset	19 *
9016e7e70f7d Group binding for image loader with Doxygen syntax Thinker K.F. Li <thinker@branda.to> parents: 639 diff changeset	20 * @{
9016e7e70f7d Group binding for image loader with Doxygen syntax Thinker K.F. Li <thinker@branda.to> parents: 639 diff changeset	21 */
9016e7e70f7d Group binding for image loader with Doxygen syntax Thinker K.F. Li <thinker@branda.to> parents: 639 diff changeset	22
639 dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	23 static Persistent<ObjectTemplate> img_data_temp;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	24
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	25 /*! \brief load() method of img_ldr Javascript objects.
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	26 */
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	27 static Handle<Value>
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	28 xnjsmb_img_ldr_load(const Arguments &args) {
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	29 HandleScope scope;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	30 int argc = args.Length();
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	31 Handle<Object> self = args.This();
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	32 char *img_id;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	33 mb_img_ldr_t *img_ldr;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	34 mb_img_data_t *img_data;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	35 Handle<Object> img_data_obj;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	36
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	37 if(argc != 1)
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	38 THROW("Invalid number of arguments (!= 1)");
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	39 if(!args[0]->IsString())
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	40 THROW("Invalid argument type");
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	41
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	42 String::Utf8Value img_id_utf8(args[0]->ToString());
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	43 img_id = *img_id_utf8;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	44 img_ldr = (mb_img_ldr_t *)UNWRAP(self);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	45
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	46 img_data_obj = img_data_temp->NewInstance();
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	47 ASSERT(img_data_obj);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	48
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	49 img_data = MB_IMG_LDR_LOAD(img_ldr, img_id);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	50 if(img_data == NULL)
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	51 THROW("Can not load an image");
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	52 WRAP(img_data_obj, img_data);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	53
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	54 scope.Close(img_data_obj);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	55
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	56 return img_data_obj;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	57 }
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	58
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	59 /*! \brief Constructor function of img_ldr Javascript objects.
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	60 */
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	61 static Handle<Value>
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	62 xnjsmb_img_ldr_new(const Arguments &args) {
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	63 HandleScope scope;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	64 int argc = args.Length();
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	65 Handle<Object> self = args.This();
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	66 char *path;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	67 mb_img_ldr_t *img_ldr;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	68
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	69 if(argc != 1)
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	70 THROW("Invalid number of arguments (!= 1)");
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	71 if(!args[0]->IsString())
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	72 THROW("Invalid argument type");
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	73
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	74 String::Utf8Value pathutf8(args[0]->ToString());
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	75 path = *pathutf8;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	76
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	77 img_ldr = simple_mb_img_ldr_new(path);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	78 if(img_ldr == NULL)
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	79 THROW("Can not create an image loader");
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	80 WRAP(self, img_ldr);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	81
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	82 return Null();
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	83 }
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	84
640 9016e7e70f7d Group binding for image loader with Doxygen syntax Thinker K.F. Li <thinker@branda.to> parents: 639 diff changeset	85 /* @} */
9016e7e70f7d Group binding for image loader with Doxygen syntax Thinker K.F. Li <thinker@branda.to> parents: 639 diff changeset	86
639 dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	87 /*! \brief Initialize image loader.
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	88 *
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	89 * This function is called by init() in mbfly_njs.cc when the module
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	90 * being loaded.
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	91 */
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	92 void
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	93 xnjsmb_img_ldr_init_mb_rt_temp(Handle<Object> rt_temp) {
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	94 HandleScope scope;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	95 Handle<FunctionTemplate> img_ldr_new_temp;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	96 Handle<ObjectTemplate> ldr_inst_temp;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	97 Handle<ObjectTemplate> ldr_proto_temp;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	98 Handle<FunctionTemplate> img_ldr_load_temp;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	99 Handle<ObjectTemplate> _img_data_temp;
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	100
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	101 /* Setup object template for img_data_t object for Javascript */
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	102 _img_data_temp = ObjectTemplate::New();
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	103 _img_data_temp->SetInternalFieldCount(1);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	104 img_data_temp = Persistent<ObjectTemplate>::New(_img_data_temp);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	105
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	106 /* Setup img_ldr class */
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	107 img_ldr_new_temp = FunctionTemplate::New(xnjsmb_img_ldr_new);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	108 img_ldr_new_temp->SetClassName(String::New("img_ldr"));
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	109 ldr_inst_temp = img_ldr_new_temp->InstanceTemplate();
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	110 ldr_inst_temp->SetInternalFieldCount(1);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	111
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	112 /* Set method load() for img_ldr */
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	113 ldr_proto_temp = img_ldr_new_temp->PrototypeTemplate();
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	114 img_ldr_load_temp = FunctionTemplate::New(xnjsmb_img_ldr_load);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	115 SET(ldr_proto_temp, "load", img_ldr_load_temp);
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	116
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	117 SET(rt_temp, "img_ldr_new", img_ldr_new_temp->GetFunction());
dc32c1c140ae First compilable image loader binding for Javascript Thinker K.F. Li <thinker@branda.to> parents: diff changeset	118 }

Mercurial > MadButterfly

annotate nodejs/image_ldr.cc @ 640:9016e7e70f7d