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ui: Add *runContext.updateScreenSize

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This commit is contained in:
Hajime Hoshi 2016-03-26 18:17:06 +09:00
parent 5a8f5ffe87
commit 1934ab0893
1 changed files with 27 additions and 20 deletions
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47
run.go
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@ -46,6 +46,31 @@ func (c *runContext) IsRunningSlowly() bool {
return c.isRunningSlowly
}
func (c *runContext) updateScreenSize(g *graphicsContext) error {
if c.newScreenWidth == 0 && c.newScreenHeight == 0 && c.newScreenScale == 0 {
return nil
}
changed := false
if 0 < c.newScreenWidth || 0 < c.newScreenHeight {
c := ui.CurrentUI().SetScreenSize(c.newScreenWidth, c.newScreenHeight)
changed = changed || c
}
if 0 < c.newScreenScale {
c := ui.CurrentUI().SetScreenScale(c.newScreenScale)
changed = changed || c
}
if changed {
w, h := c.newScreenWidth, c.newScreenHeight
if err := g.setSize(w, h, ui.CurrentUI().ActualScreenScale()); err != nil {
return err
}
}
c.newScreenWidth = 0
c.newScreenHeight = 0
c.newScreenScale = 0
return nil
}
func (c *runContext) Run(f func(*Image) error, width, height, scale int, title string) error {
if err := ui.CurrentUI().Start(width, height, scale, title); err != nil {
return err
@ -64,27 +89,9 @@ func (c *runContext) Run(f func(*Image) error, width, height, scale int, title s
beforeForFPS := now
for {
// TODO: setSize should be called after swapping buffers?
if 0 < c.newScreenWidth || 0 < c.newScreenHeight || 0 < c.newScreenScale {
changed := false
if 0 < c.newScreenWidth || 0 < c.newScreenHeight {
c := ui.CurrentUI().SetScreenSize(c.newScreenWidth, c.newScreenHeight)
changed = changed || c
}
if 0 < c.newScreenScale {
c := ui.CurrentUI().SetScreenScale(c.newScreenScale)
changed = changed || c
}
if changed {
w, h := c.newScreenWidth, c.newScreenHeight
if err := graphicsContext.setSize(w, h, ui.CurrentUI().ActualScreenScale()); err != nil {
return err
}
}
if err := c.updateScreenSize(graphicsContext); err != nil {
return err
}
c.newScreenWidth = 0
c.newScreenHeight = 0
c.newScreenScale = 0
if err := ui.CurrentUI().DoEvents(); err != nil {
return err
}