Fyne API "canvas"
canvas
import "fyne.io/fyne/v2/canvas"
Package canvas contains all of the primitive CanvasObjects that make up a Fyne GUI.
The types implemented in this package are used as building blocks in order to build higher order functionality. These types are designed to be non-interactive, by design. If additional functionality is required, it’s usually a sign that this type should be used as part of a custom widget.
Usage
const (
// DurationStandard is the time a standard interface animation will run.
//
// Since: 2.0
DurationStandard = time.Millisecond * 300
// DurationShort is the time a subtle or small transition should use.
//
// Since: 2.0
DurationShort = time.Millisecond * 150
)
func NewColorRGBAAnimation
func NewColorRGBAAnimation(start, stop color.Color, d time.Duration, fn func(color.Color)) *fyne.Animation
NewColorRGBAAnimation sets up a new animation that will transition from the start to stop Color over the specified Duration. The colour transition will move linearly through the RGB colour space. The content of fn should apply the color values to an object and refresh it. You should call Start() on the returned animation to start it.
2.0func NewPositionAnimation
func NewPositionAnimation(start, stop fyne.Position, d time.Duration, fn func(fyne.Position)) *fyne.Animation
NewPositionAnimation sets up a new animation that will transition from the start to stop Position over the specified Duration. The content of fn should apply the position value to an object for the change to be visible. You should call Start() on the returned animation to start it.
2.0func NewSizeAnimation
func NewSizeAnimation(start, stop fyne.Size, d time.Duration, fn func(fyne.Size)) *fyne.Animation
NewSizeAnimation sets up a new animation that will transition from the start to stop Size over the specified Duration. The content of fn should apply the size value to an object for the change to be visible. You should call Start() on the returned animation to start it.
2.0func Refresh
func Refresh(obj fyne.CanvasObject)
Refresh instructs the containing canvas to refresh the specified obj.