// Copyright 2016 Hajime Hoshi // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // +build ios package devicescale // #cgo CFLAGS: -x objective-c // #cgo LDFLAGS: -framework Foundation -framework UIKit // // #import // // static double devicePixelRatio() { // return [[UIScreen mainScreen] nativeScale]; // } import "C" func impl(x, y int) float64 { return float64(C.devicePixelRatio()) }