func android(gc draw2d.GraphicContext, x, y float64) { gc.SetLineCap(draw2d.RoundCap) gc.SetLineWidth(5) gc.ArcTo(x+80, y+70, 50, 50, 180*(math.Pi/180), 360*(math.Pi/180)) // head gc.FillStroke() gc.MoveTo(x+60, y+25) gc.LineTo(x+50, y+10) gc.MoveTo(x+100, y+25) gc.LineTo(x+110, y+10) gc.Stroke() draw2d.Circle(gc, x+60, y+45, 5) // left eye gc.FillStroke() draw2d.Circle(gc, x+100, y+45, 5) // right eye gc.FillStroke() draw2d.RoundRect(gc, x+30, y+75, x+30+100, y+75+90, 10, 10) // body gc.FillStroke() draw2d.Rect(gc, x+30, y+75, x+30+100, y+75+80) gc.FillStroke() draw2d.RoundRect(gc, x+5, y+80, x+5+20, y+80+70, 10, 10) // left arm gc.FillStroke() draw2d.RoundRect(gc, x+135, y+80, x+135+20, y+80+70, 10, 10) // right arm gc.FillStroke() draw2d.RoundRect(gc, x+50, y+150, x+50+20, y+150+50, 10, 10) // left leg gc.FillStroke() draw2d.RoundRect(gc, x+90, y+150, x+90+20, y+150+50, 10, 10) // right leg gc.FillStroke() }
func (e *Entry) draw(gc draw2d.GraphicContext) { if e.textOffset+e.runeOffsets[e.cursor] < 5 { e.textOffset = 5 - e.runeOffsets[e.cursor] } if e.textOffset+e.runeOffsets[e.cursor] > e.Size.X-5 { e.textOffset = e.Size.X - 5 - e.runeOffsets[e.cursor] } gc.Clear() if e.HasKeyFocus { gc.SetFillColor(color.RGBA{150, 150, 150, 255}) safeRect(gc, geom.Coord{0, 0}, e.Size) gc.Fill() } th := float64(e.textBuffer.Bounds().Max.Y - e.textBuffer.Bounds().Min.Y) gc.Save() gc.Translate(e.textOffset, 0) if e.selecting { start := e.runeOffsets[e.cursor] end := e.runeOffsets[e.selectCursor] if start > end { start, end = end, start } gc.SetFillColor(color.RGBA{200, 200, 200, 255}) safeRect(gc, geom.Coord{start, 0}, geom.Coord{end, e.Size.Y}) gc.Fill() } gc.Translate(0, (e.Size.Y-th)/2) gc.DrawImage(e.textBuffer) gc.Restore() if e.HasKeyFocus { un := time.Duration(time.Now().UnixNano()) ms := un / time.Millisecond ms = ms % 750 var intensity uint8 = 255 if ms > 550 { diff := 650 - ms if diff < 0 { diff *= -1 } intensity = uint8((diff * 255) / 200) } offset := float64(int(e.runeOffsets[e.cursor] + e.textOffset)) gc.SetStrokeColor(color.RGBA{A: intensity}) gc.MoveTo(offset, 0) gc.LineTo(offset, e.Size.Y) gc.Stroke() e.Invalidate(geom.Rect{ Min: geom.Coord{offset - 1, 0}, Max: geom.Coord{offset + 1, e.Size.Y}, }) } }
func drawLine(ctxt draw2d.GraphicContext, g *geos.Geometry, c color.Color, width float64, scale func(x, y float64) (float64, float64)) { if c != nil { ctxt.SetStrokeColor(c) } if width != 0.0 { ctxt.SetLineWidth(width) } // XXX: should get a [] of points cs, err := g.coordSeq() if err != nil { log.Fatal(err) } lineCoordSeq(ctxt, cs, scale) ctxt.Stroke() }
func TestDrawCubicCurve(gc draw2d.GraphicContext) { // draw a cubic curve x, y := 25.6, 128.0 x1, y1 := 102.4, 230.4 x2, y2 := 153.6, 25.6 x3, y3 := 230.4, 128.0 gc.SetStrokeColor(color.NRGBA{0, 0, 0, 0xFF}) gc.SetLineWidth(10) gc.MoveTo(x, y) gc.CubicCurveTo(x1, y1, x2, y2, x3, y3) gc.Stroke() gc.SetStrokeColor(color.NRGBA{0xFF, 0, 0, 0xFF}) gc.SetLineWidth(6) // draw segment of curve gc.MoveTo(x, y) gc.LineTo(x1, y1) gc.LineTo(x2, y2) gc.LineTo(x3, y3) gc.Stroke() }
func (g *Grid) draw(gc draw2d.GraphicContext) { gc.Clear() gc.SetFillColor(color.RGBA{150, 150, 150, 255}) safeRect(gc, geom.Coord{0, 0}, g.Size) gc.FillStroke() g.reflex() _, minXs, _ := g.hflex.constrain(g.Size.X) for _, x := range minXs[1:] { gc.MoveTo(x, 0) gc.LineTo(x, g.Size.Y) } _, minYs, _ := g.vflex.constrain(g.Size.Y) for _, y := range minYs[1:] { gc.MoveTo(0, y) gc.LineTo(g.Size.X, y) } gc.Stroke() // _, _, maxYs := g.vflex.constrain(g.Size.Y) }
func drawUptimes(gc draw2d.GraphicContext) { y, m, d := curTime.Add(Day * -6).Date() sday := time.Date(y, m, d, 0, 0, 0, 0, time.Local) eday := sday.Add(Day - time.Second) gc.SetFontSize(40) // draw frame gc.SetStrokeColor(color.RGBA{0x00, 0x00, 0x00, 0xff}) rect(gc, BAR_START_X, BAR_START_X+BAR_WIDTH, BAR_START_Y, BAR_START_Y+2+float64(7*BAR_HEIGHT)) gc.Stroke() u := 0 for i := 0; i < 7; i++ { gc.MoveTo(FONT_START_X, FONT_START_Y+float64(i*BAR_HEIGHT)) gc.SetStrokeColor(color.RGBA{0x00, 0x00, 0x00, 0xff}) gc.FillString(sday.Weekday().String()[0:2]) upday := make([]w32uptime.Uptime, 0) for e := u; e < len(uptimes); e++ { if uptimes[e].Start.After(eday) { u = e - 1 if u < 0 { u = 0 } break } if isUptimeInRange(sday, eday, uptimes[e]) { upday = append(upday, uptimes[e]) } } gc.SetFillColor(color.RGBA{0xE0, 0xA6, 0x2C, 0xFF}) if len(upday) > 0 { for e := 0; e < len(upday); e++ { ps, pe := 0, BAR_WIDTH if upday[e].Start.After(sday) { ps = timeToBarwidth(upday[e].Start) } if upday[e].End.Before(eday) { pe = timeToBarwidth(upday[e].End) } rect(gc, float64(BAR_START_X+ps), float64(BAR_START_X+pe), BAR_START_Y+1+float64(i*BAR_HEIGHT), BAR_START_Y+1+float64((i+1)*BAR_HEIGHT)) gc.Fill() } } if i != 6 { gc.SetStrokeColor(color.RGBA{0x00, 0x00, 0x00, 0xff}) gc.MoveTo(BAR_START_X, BAR_START_Y+float64((i+1)*BAR_HEIGHT)) gc.LineTo(BAR_START_X+BAR_WIDTH, BAR_START_Y+float64((i+1)*BAR_HEIGHT)) gc.Close() gc.Stroke() } sday = sday.Add(Day) eday = sday.Add(Day - time.Second) } // middle line gc.SetStrokeColor(color.RGBA{0x00, 0x00, 0x00, 0xff}) gc.MoveTo(BAR_START_X+BAR_WIDTH/2, BAR_START_Y+1) gc.LineTo(BAR_START_X+BAR_WIDTH/2, BAR_START_Y+1+float64(7*BAR_HEIGHT)) gc.Close() gc.Stroke() }