func createBitmap() *walk.Bitmap {
bounds := walk.Rectangle{Width: 200, Height: 200}
bmp, _ := walk.NewBitmap(bounds.Size())
succeeded := false
defer func() {
if !succeeded {
bmp.Dispose()
}
}()
canvas, _ := walk.NewCanvasFromImage(bmp)
defer canvas.Dispose()
brushBmp, _ := walk.NewBitmapFromFile("../img/plus.png")
defer brushBmp.Dispose()
brush, _ := walk.NewBitmapBrush(brushBmp)
defer brush.Dispose()
canvas.FillRectangle(brush, bounds)
font, _ := walk.NewFont("Times New Roman", 40, walk.FontBold|walk.FontItalic)
defer font.Dispose()
canvas.DrawText("Walk Drawing Example", font, walk.RGB(0, 0, 0), bounds, walk.TextWordbreak)
succeeded = true
return bmp
}
func main() {
var mw *walk.MainWindow
var c1 *walk.Composite
var c2 *walk.Composite
bmp, err := walk.NewBitmapFromFile("../../img/plus.png")
if err != nil {
panic(err)
}
defer bmp.Dispose()
MainWindow{
AssignTo: &mw,
Title: "Background Example",
Layout: VBox{MarginsZero: true},
MinSize: Size{300, 400},
Children: []Widget{
Composite{
AssignTo: &c1,
Layout: VBox{},
Children: []Widget{
TextEdit{},
},
},
Composite{
AssignTo: &c2,
Layout: VBox{},
Children: []Widget{
TextEdit{},
},
},
ImageView{
Image: bmp,
},
},
}.Create()
scb, err := walk.NewSolidColorBrush(walk.RGB(255, 0, 0))
if err != nil {
panic(err)
}
defer scb.Dispose()
c1.SetBackground(scb)
bmb, err := walk.NewBitmapBrush(bmp)
if err != nil {
panic(err)
}
defer bmb.Dispose()
c2.SetBackground(bmb)
mw.Show()
mw.Run()
}