Files
sml-projects/fcore/app-init.sml

89 lines
2.1 KiB
Standard ML

signature APP_INIT =
sig
val fromWindowWidthAndHeight: int * int * int * int -> AppType.app_type
end
structure AppInit :> APP_INIT =
struct
open AppType
fun helpFromWidthAndHeight
( windowWidth
, windowHeight
, wStart
, wFinish
, hStart
, hFinish
, canvasWidth
, canvasHeight
) : app_type =
let
val xClickPoints = ClickPoints.generate (wStart, wFinish, canvasWidth)
val yClickPoints = ClickPoints.generate (hStart, hFinish, canvasHeight)
val maxPoints = Int.max (canvasWidth, canvasHeight)
val squares = Vector.tabulate (maxPoints, fn _ =>
Vector.tabulate (maxPoints, fn _ => 0))
in
{ mode = AppType.NORMAL_MODE
, squares = squares
, canvasWidth = canvasWidth
, canvasHeight = canvasHeight
, windowWidth = windowWidth
, windowHeight = windowHeight
, xClickPoints = xClickPoints
, yClickPoints = yClickPoints
, mouseX = 0.0
, mouseY = 0.0
, showGraph = true
, arrowX = 0
, arrowY = 0
, openFilePath = ""
, fileBrowser = Vector.fromList []
, fileBrowserIdx = 0
, r = 0.0
, g = 0.0
, b = 0.0
, modalNum = 0
}
end
fun fromWindowWidthAndHeight
(windowWidth, windowHeight, canvasWidth, canvasHeight) =
if windowWidth > windowHeight then
let
val difference = windowWidth - windowHeight
val wStart = difference div 2
val wFinish = wStart + windowHeight
in
helpFromWidthAndHeight
( windowWidth
, windowHeight
, wStart
, wFinish
, 0
, windowHeight
, canvasWidth
, canvasHeight
)
end
else
let
val difference = windowHeight - windowWidth
val hStart = difference div 2
val hFinish = hStart + windowWidth
in
helpFromWidthAndHeight
( windowWidth
, windowHeight
, 0
, windowWidth
, hStart
, hFinish
, canvasWidth
, canvasHeight
)
end
end