コード例 #1
0
ファイル: walkerGUI.go プロジェクト: IniZio/Go
func (mw *MainWindow) drawStuff(canvas *walk.Canvas, updateBounds walk.Rectangle) error {
	bmp := createBitmap()
	defer bmp.Dispose()

	bounds := mw.paintWidget.ClientBounds()

	rectPen, _ := walk.NewCosmeticPen(walk.PenSolid, walk.RGB(255, 0, 0))
	defer rectPen.Dispose()

	canvas.DrawRectangle(rectPen, bounds)

	ellipseBrush, _ := walk.NewHatchBrush(walk.RGB(0, 255, 0), walk.HatchCross)
	defer ellipseBrush.Dispose()

	canvas.FillEllipse(ellipseBrush, bounds)

	linesBrush, _ := walk.NewSolidColorBrush(walk.RGB(0, 0, 255))
	defer linesBrush.Dispose()

	linesPen, _ := walk.NewGeometricPen(walk.PenDash, 8, linesBrush)
	defer linesPen.Dispose()

	canvas.DrawLine(linesPen, walk.Point{bounds.X, bounds.Y}, walk.Point{bounds.Width, bounds.Height})
	canvas.DrawLine(linesPen, walk.Point{bounds.X, bounds.Height}, walk.Point{bounds.Width, bounds.Y})

	bmpSize := bmp.Size()
	canvas.DrawImage(bmp, walk.Point{(bounds.Width - bmpSize.Width) / 2, (bounds.Height - bmpSize.Height) / 2})

	return nil
}
コード例 #2
0
ファイル: main.go プロジェクト: CodyGuo/Go-Cody
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()
}
コード例 #3
0
ファイル: externalwidgets.go プロジェクト: richardjoo/walk
func NewMyWidget(parent walk.Container) (*MyWidget, error) {
	w := new(MyWidget)

	if err := walk.InitChildWidget(
		w,
		parent,
		myWidgetWindowClass,
		winapi.WS_VISIBLE,
		0); err != nil {

		return nil, err
	}

	bg, err := walk.NewSolidColorBrush(walk.RGB(0, 255, 0))
	if err != nil {
		return nil, err
	}
	w.SetBackground(bg)

	return w, nil
}
コード例 #4
0
ファイル: drawing.go プロジェクト: Ryanker/walk
func (mw *MyMainWindow) drawStuff(canvas *walk.Canvas, updateBounds walk.Rectangle) error {
	bmp, err := createBitmap()
	if err != nil {
		return err
	}
	defer bmp.Dispose()

	bounds := mw.paintWidget.ClientBounds()

	rectPen, err := walk.NewCosmeticPen(walk.PenSolid, walk.RGB(255, 0, 0))
	if err != nil {
		return err
	}
	defer rectPen.Dispose()

	if err := canvas.DrawRectangle(rectPen, bounds); err != nil {
		return err
	}

	ellipseBrush, err := walk.NewHatchBrush(walk.RGB(0, 255, 0), walk.HatchCross)
	if err != nil {
		return err
	}
	defer ellipseBrush.Dispose()

	if err := canvas.FillEllipse(ellipseBrush, bounds); err != nil {
		return err
	}

	linesBrush, err := walk.NewSolidColorBrush(walk.RGB(0, 0, 255))
	if err != nil {
		return err
	}
	defer linesBrush.Dispose()

	linesPen, err := walk.NewGeometricPen(walk.PenDash, 8, linesBrush)
	if err != nil {
		return err
	}
	defer linesPen.Dispose()

	if err := canvas.DrawLine(linesPen, walk.Point{bounds.X, bounds.Y}, walk.Point{bounds.Width, bounds.Height}); err != nil {
		return err
	}
	if err := canvas.DrawLine(linesPen, walk.Point{bounds.X, bounds.Height}, walk.Point{bounds.Width, bounds.Y}); err != nil {
		return err
	}

	points := make([]walk.Point, 10)
	dx := bounds.Width / (len(points) - 1)
	for i := range points {
		points[i].X = i * dx
		points[i].Y = int(float64(bounds.Height) / math.Pow(float64(bounds.Width/2), 2) * math.Pow(float64(i*dx-bounds.Width/2), 2))
	}
	if err := canvas.DrawPolyline(linesPen, points); err != nil {
		return err
	}

	bmpSize := bmp.Size()
	if err := canvas.DrawImage(bmp, walk.Point{(bounds.Width - bmpSize.Width) / 2, (bounds.Height - bmpSize.Height) / 2}); err != nil {
		return err
	}

	return nil
}