mirror of
https://github.com/hajimehoshi/ebiten.git
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32 lines
844 B
Go
32 lines
844 B
Go
// Copyright 2018 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package devicescale
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import (
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"syscall/js"
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)
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func impl(x, y int) float64 {
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window := js.Global().Get("window")
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if !window.Truthy() {
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return 1
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}
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ratio := window.Get("devicePixelRatio").Float()
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if ratio == 0 {
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ratio = 1
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}
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return ratio
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}
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