124 lines
2.7 KiB
Go
124 lines
2.7 KiB
Go
package profilebtn
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import (
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"image"
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"image/color"
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"image/draw"
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"fyne.io/fyne/v2"
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"fyne.io/fyne/v2/canvas"
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"fyne.io/fyne/v2/theme"
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"fyne.io/fyne/v2/widget"
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)
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type profileBtn struct {
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widget.BaseWidget
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OutlineWidth int
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OutlineColor color.Color
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profileImage image.Image
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}
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func (b *profileBtn) Resize(s fyne.Size) {
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b.BaseWidget.Resize(s)
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}
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func (b *profileBtn) CreateRenderer() fyne.WidgetRenderer {
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return NewProfileBtnRenderer(b)
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}
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func NewProfileBtnRenderer(b *profileBtn) *profileBtnRenderer {
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r := &profileBtnRenderer{
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canvas.NewRasterFromImage(image.NewRGBA(image.Rect(0, 0, 10, 10))),
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canvas.NewCircle(b.OutlineColor),
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b,
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}
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b.ExtendBaseWidget(b)
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return r
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}
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func NewProfileBtn() *profileBtn {
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w := &profileBtn{}
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w.ExtendBaseWidget(w)
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w.OutlineWidth = 0
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w.OutlineColor = color.White
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return w
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}
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func (b *profileBtn) SetProfileResource(r fyne.Resource) {
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b.profileImage = canvas.NewImageFromResource(r).Image
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}
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func (b *profileBtn) SetProfileImage(i image.Image) {
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b.profileImage = i
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}
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type profileBtnRenderer struct {
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rast *canvas.Raster
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background *canvas.Circle
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w *profileBtn
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}
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func min(x, y int) int {
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if x < y {
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return x
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}
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return y
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}
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func minf(x, y float32) float32 {
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if x < y {
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return x
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}
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return y
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}
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func (r *profileBtnRenderer) Render(w, h int) image.Image {
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i := image.NewRGBA(image.Rect(0, 0, w, h))
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if r.w.profileImage != nil {
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src := r.w.profileImage
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b := src.Bounds().Size()
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dst := image.NewRGBA(image.Rect(0, 0, b.X, b.Y))
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draw.DrawMask(dst, dst.Bounds(), src, image.ZP, &circle{image.Point{b.X / 2, b.Y / 2}, (min(b.Y, b.Y) / 2) - r.w.OutlineWidth}, image.ZP, draw.Over)
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return dst
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} else {
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return i
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}
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}
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func (r *profileBtnRenderer) MinSize() fyne.Size {
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return fyne.NewSize(theme.Padding()*4, theme.Padding()*4)
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}
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func (r *profileBtnRenderer) Layout(size fyne.Size) {
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r.background.Resize(size)
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squareSize := fyne.NewSize(minf(size.Width, size.Height), minf(size.Width, size.Height))
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r.rast.Resize(squareSize)
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if squareSize.Width < size.Width {
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r.rast.Move(fyne.NewPos((size.Width-squareSize.Width)/2, 0))
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} else if squareSize.Height < size.Height {
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r.rast.Move(fyne.NewPos(0, (size.Height-squareSize.Height)/2))
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}
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}
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func (r *profileBtnRenderer) ApplyTheme() {
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r.Refresh()
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}
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func (r *profileBtnRenderer) BackgprofileColor() color.Color {
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return theme.ButtonColor()
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}
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func (r *profileBtnRenderer) Refresh() {
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r.rast = canvas.NewRaster(r.Render)
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r.Layout(r.w.Size())
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}
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func (r *profileBtnRenderer) Destroy() {
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}
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func (r *profileBtnRenderer) Objects() []fyne.CanvasObject {
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r.Refresh()
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return []fyne.CanvasObject{r.background, r.rast}
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}
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