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ui: Add comments

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This commit is contained in:
Hajime Hoshi 2018-02-25 00:00:59 +09:00
parent 58f5c9c1d0
commit 04341a014c
1 changed files with 6 additions and 0 deletions
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6
internal/ui/ui_glfw.go
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@ -397,12 +397,14 @@ func Run(width, height int, scale float64, title string, g GraphicsContext) erro
return u.loop(g) return u.loop(g)
} }
// getSize must be called from the main thread.
func (u *userInterface) glfwSize() (int, int) { func (u *userInterface) glfwSize() (int, int) {
w := int(float64(u.windowWidth) * u.getScale() * glfwScale()) w := int(float64(u.windowWidth) * u.getScale() * glfwScale())
h := int(float64(u.height) * u.getScale() * glfwScale()) h := int(float64(u.height) * u.getScale() * glfwScale())
return w, h return w, h
} }
// getScale must be called from the main thread.
func (u *userInterface) getScale() float64 { func (u *userInterface) getScale() float64 {
if !u.fullscreen() { if !u.fullscreen() {
return u.scale return u.scale
@ -421,10 +423,12 @@ func (u *userInterface) getScale() float64 {
return u.fullscreenScale return u.fullscreenScale
} }
// actualScreenScale must be called from the main thread.
func (u *userInterface) actualScreenScale() float64 { func (u *userInterface) actualScreenScale() float64 {
return u.getScale() * devicescale.DeviceScale() return u.getScale() * devicescale.DeviceScale()
} }
// pollEvents must be called from the main thread.
func (u *userInterface) pollEvents() { func (u *userInterface) pollEvents() {
glfw.PollEvents() glfw.PollEvents()
currentInput.update(u.window, u.getScale()*glfwScale()) currentInput.update(u.window, u.getScale()*glfwScale())
@ -513,10 +517,12 @@ func (u *userInterface) loop(g GraphicsContext) error {
} }
} }
// swapBuffers must be called from the main thread.
func (u *userInterface) swapBuffers() { func (u *userInterface) swapBuffers() {
u.window.SwapBuffers() u.window.SwapBuffers()
} }
// setScreenSize must be called from the main thread.
func (u *userInterface) setScreenSize(width, height int, scale float64, fullscreen bool) bool { func (u *userInterface) setScreenSize(width, height int, scale float64, fullscreen bool) bool {
if u.width == width && u.height == height && u.scale == scale && u.fullscreen() == fullscreen { if u.width == width && u.height == height && u.scale == scale && u.fullscreen() == fullscreen {
return false return false