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https://github.com/hajimehoshi/ebiten.git
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3fc328db8d
deviceScaleFactor() sometimes returns an unnice value (e.g., 1.502361). Add math.Ceil whenever the calculation involves the device scale factor.
65 lines
2.0 KiB
Go
65 lines
2.0 KiB
Go
// Copyright 2016 Hajime Hoshi
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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 dragonfly freebsd linux netbsd openbsd solaris
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// +build !js
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// +build !android
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package glfw
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import (
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"math"
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"github.com/hajimehoshi/ebiten/internal/glfw"
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)
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// fromGLFWMonitorPixel must be called from the main thread.
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func (u *UserInterface) fromGLFWMonitorPixel(x float64) float64 {
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return math.Ceil(x / u.deviceScaleFactor())
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}
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// fromGLFWPixel must be called from the main thread.
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func (u *UserInterface) fromGLFWPixel(x float64) float64 {
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// deviceScaleFactor() is a scale by desktop environment (e.g., Cinnamon), while GetContentScale() is X's scale.
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// They are different things and then need to be treated different ways (#1350).
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s, _ := currentMonitor(u.window).GetContentScale()
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return x / float64(s)
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}
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// toGLFWPixel must be called from the main thread.
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func (u *UserInterface) toGLFWPixel(x float64) float64 {
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s, _ := currentMonitor(u.window).GetContentScale()
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return x * float64(s)
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}
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// toFramebufferPixel must be called from the main thread.
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func (u *UserInterface) toFramebufferPixel(x float64) float64 {
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s, _ := currentMonitor(u.window).GetContentScale()
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return math.Ceil(x * float64(s) / u.deviceScaleFactor())
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}
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func (u *UserInterface) adjustWindowPosition(x, y int) (int, int) {
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return x, y
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}
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func currentMonitorByOS(_ *glfw.Window) *glfw.Monitor {
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// TODO: Implement this correctly. (#1119).
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return nil
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}
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func (u *UserInterface) nativeWindow() uintptr {
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// TODO: Implement this.
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return 0
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}
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