utils

Documentation

Index

• func CursorPosition() image.Point
• func NewDrawOptions(dest, src image.Rectangle) *colorm.DrawImageOptions
• func ScaleRatio(a image.Rectangle, b image.Rectangle) (float64, float64)
• func ScaleRectangle(rect image.Rectangle, x, y float64) image.Rectangle

Functions

func CursorPosition

func CursorPosition() image.Point

Returns the current cursor position as a Point.

func NewDrawOptions

func NewDrawOptions(dest, src image.Rectangle) *colorm.DrawImageOptions

Creates a new DrawImageOptions that scales the source image to fit the destination rectangle.

func ScaleRatio

func ScaleRatio(a image.Rectangle, b image.Rectangle) (float64, float64)

Returns the ratio of the width and height of two rectangles.

func ScaleRectangle

func ScaleRectangle(rect image.Rectangle, x, y float64) image.Rectangle

Scales a rectangle by a given ratio pair.