128 lines
2.6 KiB
Go
128 lines
2.6 KiB
Go
// 21 august 2014
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package ui
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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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"strconv"
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)
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type repainter struct {
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img *image.RGBA
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area Area
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x TextField
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y TextField
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width TextField
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height TextField
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repaint Button
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all Button
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grid Grid
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xv int
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yv int
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wv int
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hv int
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}
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func newRepainter(times int) *repainter {
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r := new(repainter)
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r.img = tileImage(times)
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r.area = NewArea(r.img.Rect.Dx(), r.img.Rect.Dy(), r)
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r.area.OnTextFieldDismissed(r.tfdone)
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r.x = NewTextField()
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r.x.OnChanged(r.setx)
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r.y = NewTextField()
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r.y.OnChanged(r.sety)
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r.width = NewTextField()
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r.width.OnChanged(r.setwidth)
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r.height = NewTextField()
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r.height.OnChanged(r.setheight)
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r.repaint = NewButton("Rect")
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r.repaint.OnClicked(r.dorect)
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r.all = NewButton("All")
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r.all.OnClicked(r.doall)
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grid := NewGrid()
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grid.Add(r.area, nil, South, true, Fill, true, Fill, 3, 6)
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grid.Add(r.x, nil, East, true, Fill, false, LeftTop, 1, 1)
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grid.Add(r.y, nil, South, true, Fill, false, LeftTop, 1, 1)
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grid.Add(r.width, nil, South, true, Fill, false, LeftTop, 1, 1)
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grid.Add(r.height, nil, South, true, Fill, false, LeftTop, 1, 1)
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grid.Add(r.repaint, nil, South, true, Fill, true, Fill, 1, 1)
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grid.Add(r.all, nil, South, true, Center, false, LeftTop, 1, 1)
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r.grid = grid
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return r
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}
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func (r *repainter) Paint(rect image.Rectangle) *image.RGBA {
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return r.img.SubImage(rect).(*image.RGBA)
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}
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func (r *repainter) Mouse(me MouseEvent) {
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if me.Up == 1 {
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r.area.OpenTextFieldAt(me.Pos.X, me.Pos.Y)
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}
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}
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func (r *repainter) tfdone() {
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println(r.area.TextFieldText())
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}
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func (r *repainter) Key(ke KeyEvent) bool { return false }
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func (r *repainter) setx() {
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i, err := strconv.Atoi(r.x.Text())
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if err != nil {
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r.x.Invalid(err.Error())
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return
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}
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r.x.Invalid("")
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r.xv = i
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}
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func (r *repainter) sety() {
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i, err := strconv.Atoi(r.y.Text())
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if err != nil {
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r.y.Invalid(err.Error())
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return
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}
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r.y.Invalid("")
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r.yv = i
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}
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func (r *repainter) setwidth() {
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i, err := strconv.Atoi(r.width.Text())
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if err != nil {
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r.width.Invalid(err.Error())
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return
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}
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r.width.Invalid("")
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r.wv = i
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}
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func (r *repainter) setheight() {
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i, err := strconv.Atoi(r.height.Text())
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if err != nil {
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r.height.Invalid(err.Error())
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return
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}
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r.height.Invalid("")
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r.hv = i
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}
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func (r *repainter) alter(rect image.Rectangle, c color.Color) {
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draw.Draw(r.img, rect, &image.Uniform{c}, image.ZP, draw.Over)
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}
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func (r *repainter) dorect() {
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rect := image.Rect(r.xv, r.yv, r.xv+r.wv, r.yv+r.hv)
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r.alter(rect, color.RGBA{255, 0, 255, 128})
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r.area.Repaint(rect)
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}
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func (r *repainter) doall() {
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r.alter(r.img.Rect, color.RGBA{255, 255, 0, 128})
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r.area.RepaintAll()
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}
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