Graphics.Hoodle.Render.Util.HitTest

Hit-testing routines

Documentation

isPointInBBox

Arguments

:: BBox

-> (Double, Double)

point

-> Bool

hit test of whether a point in a bbox previously, hitTestBBoxPoint

do2LinesIntersect

Arguments

:: ((Double, Double), (Double, Double))

line1

-> ((Double, Double), (Double, Double))

line2

-> Bool

hit test of whether two lines intersect

doesLineHitStrk :: ((Double, Double), (Double, Double)) -> Stroke -> Bool

previously, hitTestLineStroke

do2BBoxIntersect :: BBox -> BBox -> Bool

Do two bounding boxes intersect with each other? previously, hitTestBBoxBBox

isBBox2InBBox1

Arguments

:: BBox

1st bbox

-> BBox

2nd bbox

-> Bool

is the second bbox inside the first bbox? previously, hitTestInsideBBox

hltFilteredBy_StateT

Arguments

:: (a -> Bool)

hit test condition

-> [a]

strokes to test

-> State Bool (AlterList (NotHitted a) (Hitted a))

hltFilteredBy

Arguments

:: (a -> Bool)

hit test condition

-> [a]

strokes to test

-> AlterList (NotHitted a) (Hitted a)

highlight strokes filtered by a condition. previously mkHitTestAL

hltHittedByBBox

Arguments

:: BBoxable a

=> BBox

test bounding box

-> [a]

items to test

-> AlterList (NotHitted a) (Hitted a)

hltEmbeddedByBBox :: BBoxable a => BBox -> [a] -> AlterList (NotHitted a) (Hitted a)

hltHittedByLineRough

Arguments

:: BBoxable a

=> ((Double, Double), (Double, Double))

line

-> [a]

items to test

-> AlterList (NotHitted a) (Hitted a)

only check if a line and bbox of item overlapped

hltItmsHittedByLine_StateT :: ((Double, Double), (Double, Double)) -> [RItem] -> State Bool RItemHitted

hltItmsHittedByLineFrmSelected_StateT :: ((Double, Double), (Double, Double)) -> RItemHitted -> State Bool (AlterList (NotHitted RItem) RItemHitted)

elimHitted :: BBoxable a => AlterList (NotHitted a) (Hitted a) -> State (Maybe BBox) [a]

merge :: Maybe BBox -> Maybe BBox -> Maybe BBox

getTotalBBox :: BBoxable a => [a] -> Maybe BBox