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ui: deviceScaleFactor -> deviceScale

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This commit is contained in:
Hajime Hoshi 2016-02-27 02:17:31 +09:00
parent 651d803107
commit 7617a225f6
1 changed files with 12 additions and 12 deletions
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12
internal/ui/ui_glfw.go
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@ -105,7 +105,7 @@ type userInterface struct {
width int
height int
scale int
deviceScaleFactor float64
deviceScale float64
framebufferScale int
context *opengl.Context
}
@ -114,14 +114,14 @@ func (u *userInterface) start(width, height, scale int, title string) error {
m := glfw.GetPrimaryMonitor()
v := m.GetVideoMode()
mw, _ := m.GetPhysicalSize()
u.deviceScaleFactor = 1
u.deviceScale = 1
u.framebufferScale = 1
// mw can be 0 on some environment like Linux VM
if 0 < mw {
dpi := float64(v.Width) * 25.4 / float64(mw)
u.deviceScaleFactor = dpi / 96
if u.deviceScaleFactor < 1 {
u.deviceScaleFactor = 1
u.deviceScale = dpi / 96
if u.deviceScale < 1 {
u.deviceScale = 1
}
}
@ -137,7 +137,7 @@ func (u *userInterface) start(width, height, scale int, title string) error {
}
func (u *userInterface) windowScale() int {
return u.scale * int(u.deviceScaleFactor)
return u.scale * int(u.deviceScale)
}
func (u *userInterface) actualScale() int {