ebiten/internal/uidriver/glfw/ui_unix.go
2020-10-04 04:30:40 +09:00

65 lines
2.0 KiB
Go

// 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 dragonfly freebsd linux netbsd openbsd solaris
// +build !js
// +build !android
package glfw
import (
"math"
"github.com/hajimehoshi/ebiten/v2/internal/glfw"
)
// fromGLFWMonitorPixel must be called from the main thread.
func (u *UserInterface) fromGLFWMonitorPixel(x float64) float64 {
return math.Ceil(x / u.deviceScaleFactor())
}
// fromGLFWPixel must be called from the main thread.
func (u *UserInterface) fromGLFWPixel(x float64) float64 {
// deviceScaleFactor() is a scale by desktop environment (e.g., Cinnamon), while GetContentScale() is X's scale.
// They are different things and then need to be treated different ways (#1350).
s, _ := currentMonitor(u.window).GetContentScale()
return x / float64(s)
}
// toGLFWPixel must be called from the main thread.
func (u *UserInterface) toGLFWPixel(x float64) float64 {
s, _ := currentMonitor(u.window).GetContentScale()
return x * float64(s)
}
// toFramebufferPixel must be called from the main thread.
func (u *UserInterface) toFramebufferPixel(x float64) float64 {
s, _ := currentMonitor(u.window).GetContentScale()
return math.Ceil(x * float64(s) / u.deviceScaleFactor())
}
func (u *UserInterface) adjustWindowPosition(x, y int) (int, int) {
return x, y
}
func currentMonitorByOS(_ *glfw.Window) *glfw.Monitor {
// TODO: Implement this correctly. (#1119).
return nil
}
func (u *UserInterface) nativeWindow() uintptr {
// TODO: Implement this.
return 0
}