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ui: Don't use 'image-rendering' CSS on Safari (#293)

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This commit is contained in:
Hajime Hoshi 2016-11-26 23:45:06 +09:00
parent d16b5d328a
commit a1e868b822
1 changed files with 14 additions and 1 deletions
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15
internal/ui/ui_js.go
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@ -18,6 +18,7 @@ package ui
import ( import (
"strconv" "strconv"
"strings"
"github.com/gopherjs/gopherjs/js" "github.com/gopherjs/gopherjs/js"
"github.com/hajimehoshi/ebiten/internal/opengl" "github.com/hajimehoshi/ebiten/internal/opengl"
@ -287,6 +288,17 @@ func (u *userInterface) size() (width, height int) {
return return
} }
func isSafari() bool {
ua := js.Global.Get("navigator").Get("userAgent").String()
if !strings.Contains(ua, "Safari") {
return false
}
if strings.Contains(ua, "Chrome") {
return false
}
return true
}
func (u *userInterface) setScreenSize(width, height int, scale float64) bool { func (u *userInterface) setScreenSize(width, height int, scale float64) bool {
w, h := u.size() w, h := u.size()
s := u.scale s := u.scale
@ -295,7 +307,8 @@ func (u *userInterface) setScreenSize(width, height int, scale float64) bool {
} }
u.scale = scale u.scale = scale
// When the scale is an integer, let's rely on CSS crisp-edge/pixelated effect. // When the scale is an integer, let's rely on CSS crisp-edge/pixelated effect.
if scale == float64(int64(scale)) { // Note that pixelated effect doesn't work for canvas on Safari.
if scale == float64(int64(scale)) && !isSafari() {
u.deviceScale = 1 u.deviceScale = 1
} else { } else {
u.deviceScale = devicePixelRatio() u.deviceScale = devicePixelRatio()