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ui: Remove dataset attributes

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This commit is contained in:
Hajime Hoshi 2016-03-25 01:15:47 +09:00
parent fb3bf4e3b4
commit 95485441f4
2 changed files with 19 additions and 18 deletions
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2
internal/ui/ui_glfw.go
View File

@ -20,6 +20,7 @@ import (
"errors"
"fmt"
"runtime"
"sync"
"time"
"github.com/go-gl/glfw/v3.1/glfw"
@ -38,6 +39,7 @@ type UserInterface struct {
deviceScale float64
framebufferScale int
context *opengl.Context
m sync.RWMutex
}
var currentUI *UserInterface

35
internal/ui/ui_js.go
View File

@ -30,8 +30,7 @@ func Now() int64 {
}
func (u *UserInterface) SetScreenSize(width, height int) bool {
scale := canvas.Get("dataset").Get("ebitenScreenScale").Int()
return u.setScreenSize(width, height, scale)
return u.setScreenSize(width, height, u.scale)
}
func (u *UserInterface) SetScreenScale(scale int) bool {
@ -40,16 +39,19 @@ func (u *UserInterface) SetScreenScale(scale int) bool {
}
func (u *UserInterface) ScreenScale() int {
return canvas.Get("dataset").Get("ebitenScreenScale").Int()
return u.scale
}
func (u *UserInterface) ActualScreenScale() int {
return canvas.Get("dataset").Get("ebitenActualScreenScale").Int()
return u.scale * int(u.deviceScale)
}
var canvas *js.Object
type UserInterface struct{}
type UserInterface struct {
scale int
deviceScale float64
}
var currentUI = &UserInterface{}
@ -210,7 +212,7 @@ func Init() *opengl.Context {
}
func setMouseCursorFromEvent(e *js.Object) {
scale := canvas.Get("dataset").Get("ebitenScreenScale").Int()
scale := currentUI.scale
rect := canvas.Call("getBoundingClientRect")
x, y := e.Get("clientX").Int(), e.Get("clientY").Int()
x -= rect.Get("left").Int()
@ -218,9 +220,8 @@ func setMouseCursorFromEvent(e *js.Object) {
currentInput.SetMouseCursor(x/scale, y/scale)
}
func devicePixelRatio() int {
// TODO: What if ratio is not an integer but a float?
ratio := js.Global.Get("window").Get("devicePixelRatio").Int()
func devicePixelRatio() float64 {
ratio := js.Global.Get("window").Get("devicePixelRatio").Float()
if ratio == 0 {
ratio = 1
}
@ -235,8 +236,8 @@ func (u *UserInterface) Start(width, height, scale int, title string) error {
return nil
}
func (*UserInterface) size() (width, height int) {
a := canvas.Get("dataset").Get("ebitenActualScreenScale").Int()
func (u *UserInterface) size() (width, height int) {
a := int(u.ActualScreenScale())
if a == 0 {
// a == 0 only on the initial state.
return
@ -248,16 +249,14 @@ func (*UserInterface) size() (width, height int) {
func (u *UserInterface) setScreenSize(width, height, scale int) bool {
w, h := u.size()
s := canvas.Get("dataset").Get("ebitenScreenScale").Int()
s := u.scale
if w == width && h == height && s == scale {
return false
}
actualScreenScale := scale * devicePixelRatio()
canvas.Set("width", width*actualScreenScale)
canvas.Set("height", height*actualScreenScale)
canvas.Get("dataset").Set("ebitenScreenScale", scale)
canvas.Get("dataset").Set("ebitenActualScreenScale", actualScreenScale)
u.scale = scale
u.deviceScale = devicePixelRatio()
canvas.Set("width", width*u.ActualScreenScale())
canvas.Set("height", height*u.ActualScreenScale())
canvasStyle := canvas.Get("style")
cssWidth := width * scale