func fnPaint(ev *ui.PaintEvent, w *ui.Widget) {
p := ui.NewPainter()
defer p.Close()
p.Begin(w)
p.DrawPoint(ui.Pt(10, 10))
p.DrawLine(ui.Pt(10, 10), ui.Pt(100, 100))
p.End()
}
func drawPlace(e *ui.PaintEvent, w *ui.Widget) {
p := ui.NewPainter()
defer p.Close()
p.Begin(w)
pen := ui.NewPen()
pen.SetColor(color.RGBA{0, 0, 0, 0})
ft := p.Font()
ft.SetPixelSize(CELL_WIDTH * 8 / 10)
p.SetFont(ft)
for i := 0; i <= len(placeCells); i++ {
if i%3 == 0 {
pen.SetWidth(3)
} else {
pen.SetWidth(1)
}
p.SetPen(pen)
p.DrawLine(ui.Pt(0, i*CELL_WIDTH), ui.Pt(9*CELL_WIDTH, i*CELL_WIDTH))
p.DrawLine(ui.Pt(i*CELL_WIDTH, 0), ui.Pt(i*CELL_WIDTH, 9*CELL_WIDTH))
}
var pt ui.Point
for y := 0; y < 9; y++ {
for x := 0; x < 9; x++ {
if placeCells[y][x].num != 0 {
pt.X = x*CELL_WIDTH + 4 // TODO display position adjustment
pt.Y = (y+1)*CELL_WIDTH - 4
if placeCells[y][x].kind == CELL_KIND_ERROR {
pen.SetColor(color.RGBA{255, 0, 0, 0})
} else if placeCells[y][x].kind == CELL_KIND_FIXED {
pen.SetColor(color.RGBA{0, 0, 0, 0})
} else {
pen.SetColor(color.RGBA{0, 0, 255, 0})
}
p.SetPen(pen)
p.DrawText(pt, fmt.Sprintf("%c", placeCells[y][x].num+'0'))
}
}
}
if cursorx != -1 {
var rc ui.Rect
pen.SetColor(color.RGBA{200, 0, 0, 0})
pen.SetWidth(3)
p.SetPen(pen)
rc.X = cursorx * CELL_WIDTH
rc.Y = cursory * CELL_WIDTH
rc.Width = CELL_WIDTH
rc.Height = CELL_WIDTH
p.DrawRect(rc)
}
p.End()
}
func (p *MyWidget) paintEvent(e *ui.PaintEvent) {
paint := ui.NewPainter()
defer paint.Close()
paint.Begin(p)
paint.SetFont(p.font)
paint.DrawLines(p.line)
paint.SetFont(p.font)
paint.DrawText(ui.Pt(100, 100), "draw test")
for _, v := range p.lines {
//paint.DrawLines(v)
paint.DrawPolyline(v)
}
paint.End()
runtime.GC()
}