GCanvas/node/binding/CanvasPattern.cc

57 lines
1.6 KiB
C++

/**
* Created by G-Canvas Open Source Team.
* Copyright (c) 2017, Alibaba, Inc. All rights reserved.
*
* This source code is licensed under the Apache Licence 2.0.
* For the full copyright and license information, please view
* the LICENSE file in the root directory of this source tree.
*/
#include "CanvasPattern.h"
#include "NodeBindingUtil.h"
namespace NodeBinding
{
Napi::FunctionReference Pattern::constructor;
Pattern::Pattern(const Napi::CallbackInfo &info) : Napi::ObjectWrap<Pattern>(info)
{
Napi::Env env = info.Env();
if (!info[0].IsObject() || !info[1].IsString())
{
napi_throw_error(env, "", "Pattern parameter invalid");
return;
}
content = Napi::ObjectWrap<Image>::Unwrap(info[0].As<Napi::Object>());
repetition = info[1].As<Napi::String>().Utf8Value();
if (repetition != "" &&
repetition != "repeat" &&
repetition != "repeat-x" && repetition != "repeat-y" &&
repetition != "no-repeat")
{
throwError(info, "repetition value wrong");
}
if (repetition == "")
{
repetition = "repeat";
}
}
Napi::Object Pattern::NewInstance(const Napi::CallbackInfo &info, Napi::Value image, Napi::Value repetition)
{
Napi::Object obj = constructor.New( {image, repetition} );
obj.Set("name", Napi::String::New(info.Env(), "pattern"));
return obj;
}
void Pattern::Init(Napi::Env env) {
Napi::HandleScope scope(env);
Napi::Function func = DefineClass(env, "CanvasPattern", {});
constructor = Napi::Persistent(func);
constructor.SuppressDestruct();
}
const std::string &Pattern::getRepetition() { return repetition; }
} // namespace NodeBinding