mirror of
https://github.com/hajimehoshi/ebiten.git
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43 lines
1.2 KiB
Go
43 lines
1.2 KiB
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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// +build darwin
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// +build !js
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// +build !ios
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package devicescale
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// #cgo CFLAGS: -x objective-c
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// #cgo LDFLAGS: -framework AppKit
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//
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// #import <AppKit/AppKit.h>
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//
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// static float scaleAt(int x, int y) {
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// // On macOS, the direction of Y axis is inverted from GLFW monitors (#807).
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// y = -y;
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//
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// NSArray<NSScreen*>* screens = [NSScreen screens];
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// for (NSScreen* screen in screens) {
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// if (NSPointInRect(NSMakePoint(x, y), [screen frame])) {
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// return [screen backingScaleFactor];
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// }
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// }
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// return 0;
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// }
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import "C"
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func impl(x, y int) float64 {
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return float64(C.scaleAt(C.int(x), C.int(y)))
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}
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