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ui: Remove unneeded variable deviceScale

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This commit is contained in:
Hajime Hoshi 2018-01-07 14:51:25 +09:00
parent 34d2e9a3fb
commit 0a911b28b2
1 changed files with 6 additions and 9 deletions
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15
internal/ui/ui_js.go
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@ -36,7 +36,6 @@ type userInterface struct {
fullscreen bool fullscreen bool
runnableInBackground bool runnableInBackground bool
deviceScale float64
sizeChanged bool sizeChanged bool
windowFocus bool windowFocus bool
} }
@ -116,7 +115,12 @@ func (u *userInterface) getScale() float64 {
} }
func (u *userInterface) actualScreenScale() float64 { func (u *userInterface) actualScreenScale() float64 {
return u.getScale() * u.deviceScale // CSS imageRendering property seems useful to enlarge the screen,
// but doesn't work in some cases (#306):
// * Chrome just after restoring the lost context
// * Safari
// Let's use the devicePixelRatio as it is here.
return u.getScale() * devicescale.DeviceScale()
} }
func (u *userInterface) update(g GraphicsContext) error { func (u *userInterface) update(g GraphicsContext) error {
@ -373,13 +377,6 @@ func (u *userInterface) setScreenSize(width, height int, scale float64, fullscre
} }
func (u *userInterface) updateScreenSize() { func (u *userInterface) updateScreenSize() {
// CSS imageRendering seems useful to enlarge the screen,
// but doesn't work in some cases (#306):
// * Chrome just after restoring the lost context
// * Safari
// Let's use the pixel ratio as it is here.
u.deviceScale = devicescale.DeviceScale()
canvas.Set("width", int(float64(u.width)*u.actualScreenScale())) canvas.Set("width", int(float64(u.width)*u.actualScreenScale()))
canvas.Set("height", int(float64(u.height)*u.actualScreenScale())) canvas.Set("height", int(float64(u.height)*u.actualScreenScale()))
canvasStyle := canvas.Get("style") canvasStyle := canvas.Get("style")