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c179500
use this as y-h might be negative margin := gc.pdf.GetCellMargin() gc.pdf.MoveTo(x-left-margin, y+top) gc.pdf.CellFormat(w, h, text, "", 0, "BL", false, 0, "") return w }
c179501
x, y float64) (cursor float64) { return gc.CreateStringPath(text, x, y) }
c179502
gc.StackGraphicContext.SetStrokeColor(c) gc.pdf.SetDrawColor(rgb(c)) }
c179503
gc.pdf.SetFillColor(rgb(c)) gc.pdf.SetTextColor(rgb(c)) }
c179504
{ gc.StackGraphicContext.SetLineDash(Dash, DashOffset) gc.pdf.SetDashPattern(Dash, DashOffset) }
c179505
gc.StackGraphicContext.SetLineWidth(LineWidth) gc.pdf.SetLineWidth(LineWidth) }
c179506
the output filename return samples.Output("helloworld", ext), nil }
c179507
// Set the fill text color to black gc.SetFillColor(image.Black) gc.SetFontSize(14) // Display Hello World gc.FillStringAt("Hello World", 8, 52) }
c179508
buffer err = png.Encode(b, m) if err != nil { return err } err = b.Flush() if err != nil { return err } return nil }
c179509
b := bufio.NewReader(f) img, err := png.Decode(b) if err != nil { return nil, err } return img, nil }
c179510
"pdf" || ext == "svg" { root = "../" } return fmt.Sprintf("%sresource/%s/%s", root, folder, filename) }
c179511
"../" } return fmt.Sprintf("%soutput/samples/%s.%s", root, name, ext) }
c179512
// Tiger postscript drawing tiger := samples.Resource("image", "tiger.ps", ext) // Draw tiger Draw(gc, tiger) gc.Restore() // Return the output filename return samples.Output("postscript", ext), nil }
c179513
} defer src.Close() bytes, err := ioutil.ReadAll(src) reader := strings.NewReader(string(bytes)) // Initialize and interpret the postscript interpreter := ps.NewInterpreter(gc) interpreter.Execute(reader) }
c179514
Return the output filename return samples.Output("geometry", ext), nil }
c179515
gc.QuadCurveTo(x+sx*35, y+sy*95, x+sx*40, y+sy*75) gc.QuadCurveTo(x+sx*100, y+sy*75, x+sx*100, y+sy*37.5) gc.QuadCurveTo(x+sx*100, y, x+sx*50, y) gc.Stroke() }
c179516
gc.SetLineCap(draw2d.ButtCap) gc.SetLineJoin(draw2d.RoundJoin) gc.SetLineWidth(height / 50) gc.MoveTo(x+sx*60.0, y) gc.LineTo(x+sx*60.0, y) gc.LineTo(x+sx*162, y+sy*205) rLineTo(gc, sx*-102.4, 0) gc.CubicCurveTo(x+sx*-17, y+sy*205, x+sx*-17, y+sy*103, x+sx*60.0, y+sy*103.0) gc.Stroke() gc.SetLineDash(nil, 0.0) }
c179517
y3) gc.Stroke() gc.SetStrokeColor(color.NRGBA{0xFF, 0x33, 0x33, 0x88}) gc.SetLineWidth(width / 20) // draw segment of curve gc.MoveTo(x0, y0) gc.LineTo(x1, y1) gc.LineTo(x2, y2) gc.LineTo(x3, y3) gc.Stroke() }
c179518
rLineTo(gc, sx*-51.2, sy*-51.2) gc.Close() gc.SetLineWidth(width / 20.0) gc.SetFillColor(color.NRGBA{0, 0, 0xFF, 0xFF}) gc.SetStrokeColor(image.Black) gc.FillStroke() }
c179519
x, y+sy*140, x+sx*232, y+sy*198) wheel1.Clear() wheel1.ArcTo(x+sx*52, y+sy*198, sx*40, sy*40, 0, 2*math.Pi) wheel2.Clear() wheel2.ArcTo(x+sx*180, y+sy*198, sx*40, sy*40, 0, -2*math.Pi) gc.SetFillRule(draw2d.FillRuleWinding) gc.SetFillColor(color.NRGBA{0, 0, 0xE5, 0xFF}) gc.FillStroke(&wheel1, &wheel2) }
c179520
gc.ArcTo(0, 0, width/8, height/8, 0, math.Pi*2) gc.Close() gc.Stroke() gc.Restore() }
c179521
// Keep rotations temporary gc.Rotate(i * (math.Pi / 180.0)) // Rotate by degrees on stack from 'for' gc.MoveTo(0, 0) gc.LineTo(width/2, 0) gc.Stroke() gc.Restore() } gc.Restore() }
c179522
ArcNegative(gc, x, y, w, h) x += dx CubicCurve(gc, x, y, w, h) x += dx FillString(gc, x, y, w, h) x += dx FillStroke(gc, x, y, w, h) x = x0 y += dy FillStyle(gc, x, y, w, h) x += dx PathTransform(gc, x, y, w, h) x += dx Star(gc, x, y, w, h) x += dx gopher2.Draw(gc, x, y, w, h/2) }
c179523
path.Points[i+1], path.Points[i+2], path.Points[i+3], 0, // degRotate path.Points[i+4]*deg, // degStart = startAngle (path.Points[i+4]-path.Points[i+5])*deg) // degEnd = startAngle-angle i += 6 case draw2d.CloseCmp: pdf.LineTo(startX, startY) pdf.ClosePath() } } }
c179524
joins := []draw2d.LineJoin{draw2d.BevelJoin, draw2d.MiterJoin, draw2d.RoundJoin} for i := range caps { Draw(gc, caps[i], joins[i], x, 50, x, 160, offset) x += offset } // Return the output filename return samples.Output("linecapjoin", ext), nil }
c179525
Draw thin helping line gc.SetStrokeColor(color.NRGBA{0xFF, 0x33, 0x33, 0xFF}) gc.SetLineWidth(2.56) gc.MoveTo(x0, y0) gc.LineTo((x0+x1)/2+offset, (y0+y1)/2) gc.LineTo(x1, y1) gc.Stroke() }
c179526
midY := (q0Y + qY) / 2 path.QuadCurveTo(q0X+dx, q0Y+dy, midX+dx, midY+dy) } } q0X, q0Y, on0 = qX, qY, on } // Close the curve. if on0 { path.LineTo(startX+dx, startY+dy) } else { path.QuadCurveTo(q0X+dx, q0Y+dy, startX+dx, startY+dy) } }
c179527
flattener.LineTo(x, y) i += 4 case draw2d.CubicCurveToCmp: TraceCubic(flattener, path.Points[i-2:], 0.5) x, y = path.Points[i+4], path.Points[i+5] flattener.LineTo(x, y) i += 6 case draw2d.ArcToCmp: x, y = TraceArc(flattener, path.Points[i], path.Points[i+1], path.Points[i+2], path.Points[i+3], path.Points[i+4], path.Points[i+5], scale) flattener.LineTo(x, y) i += 6 case draw2d.CloseCmp: flattener.LineTo(startX, startY) flattener.Close() } } flattener.End() }
c179528
gc.img.Bounds().Dx(), gc.img.Bounds().Dy() gc.ClearRect(0, 0, width, height) }
c179529
image.Rect(x1, y1, x2, y2), imageColor, image.ZP, draw.Over) }
c179530
transformer = draw.CatmullRom } transformer.Transform(dest, f64.Aff3{tr[0], tr[1], tr[4], tr[2], tr[3], tr[5]}, src, src.Bounds(), op, nil) }
c179531
gopher err := Draw(gc, gopher, 297, 210, margin, lineWidth) // Return the output filename return samples.Output("frameimage", ext), err }
c179532
Seems to have a transform bug here on draw image scale := math.Min((dw-margin*2)/sw, (dh-margin*2)/sh) gc.Save() gc.Translate((dw-sw*scale)/2, (dh-sh*scale)/2) gc.Scale(scale, scale) gc.Rotate(0.2) gc.DrawImage(source) gc.Restore() return nil }
c179533
y+75+90, 10, 10) gc.FillStroke() draw2dkit.Rectangle(gc, x+30, y+75, x+30+100, y+75+80) gc.FillStroke() // left arm draw2dkit.RoundedRectangle(gc, x+5, y+80, x+5+20, y+80+70, 10, 10) gc.FillStroke() // right arm draw2dkit.RoundedRectangle(gc, x+135, y+80, x+135+20, y+80+70, 10, 10) gc.FillStroke() // left leg draw2dkit.RoundedRectangle(gc, x+50, y+150, x+50+20, y+150+50, 10, 10) gc.FillStroke() // right leg draw2dkit.RoundedRectangle(gc, x+90, y+150, x+90+20, y+150+50, 10, 10) gc.FillStroke() }
c179534
Checksum32S((*[maxInt32]byte)(unsafe.Pointer(ss.Data))[:len(s):len(s)], seed) }
c179535
return Checksum64S((*[maxInt32]byte)(unsafe.Pointer(ss.Data))[:len(s):len(s)], seed) }
c179536
{ xx = &XXHash32{ seed: seed, } xx.Reset() return }
c179537
{ xx = &XXHash64{ seed: seed, } xx.Reset() return }
c179538
h = rotl64_31(h) h *= prime64x1 return h }
c179539
<= len(in)-4; i += 4 { in := in[i : i+4 : len(in)] h += u32(in[0:4:len(in)]) * prime32x3 h = rotl32_17(h) * prime32x4 } for ; i < len(in); i++ { h += uint32(in[i]) * prime32x5 h = rotl32_11(h) * prime32x1 } h ^= h >> 15 h *= prime32x2 h ^= h >> 13 h *= prime32x3 h ^= h >> 16 return }
c179540
return 0xef46db3751d8e999 } if len(in) > 31 { return checksum64(in, seed) } return checksum64Short(in, seed) }
c179541
:= fmt.Sprintf("%d/%09d/", stage+1, time.Now().Nanosecond()) hash := sha1.New() hash.Write([]byte(base)) tag := base + hex.EncodeToString(hash.Sum([]byte{})) if err := os.Setenv(stageVar, tag+":"+origValue); err != nil { return fmt.Errorf("can't set %s: %s", stageVar, err) } return nil } resetEnv = func() error { return os.Setenv(stageVar, origValue) } return stage, advanceStage, resetEnv }
c179542
os.Stdout, color: Green, isColor: true, mode: STD, }, DEBG: { std: os.Stdout, color: Purple, isColor: true, mode: STD, }, OK: { std: os.Stdout, color: Cyan, isColor: true, mode: STD, }, WARN: { std: os.Stdout, color: Orange, isColor: true, mode: STD, }, // error out ERR: { std: os.Stderr, color: Red, isColor: true, mode: STD, }, FAIL: { std: os.Stderr, color: Red, isColor: true, mode: STD, }, FATAL: { std: os.Stderr, color: Red, isColor: true, mode: STD, }, } { log.tag = lev.String() log.updateMode() g.logger.Store(lev, log) } return g }
c179543
glg = New() }) return glg }
c179544
{ l := val.(*logger) l.mode = mode l.updateMode() g.logger.Store(key.(LEVEL), l) return true }) return g }
c179545
value.tag = pref g.logger.Store(PRINT, value) } return g }
c179546
return l.(*logger).mode } return NONE }
c179547
l := val.(*logger) l.writer = nil l.updateMode() g.logger.Store(key.(LEVEL), l) return true }) return g }
c179548
interface{}) bool { l := val.(*logger) l.writer = writer l.updateMode() g.logger.Store(key.(LEVEL), l) return true }) return g }
c179549
l := lev.(*logger) l.color = color g.logger.Store(level, l) } return g }
c179550
l.writer = writer l.updateMode() g.logger.Store(level, l) } return g }
c179551
os.Stdout, color: Colorless, isColor: isColor, mode: mode, tag: tag, } l.updateMode() g.logger.Store(lev, l) return g }
c179552
l := val.(*logger) l.isColor = true l.updateMode() g.logger.Store(key.(LEVEL), l) return true }) return g }
c179553
if ok { l := ins.(*logger) l.isColor = true l.updateMode() g.logger.Store(lv, l) } return g }
c179554
l.isColor = false l.updateMode() g.logger.Store(lv, l) } return g }
c179555
str[strings.Index(str, sep)+sepl : len(str)-rcl] }
c179556
l, ok := g.levelMap.Load(tag) if !ok { return 255 } return l.(LEVEL) }
c179557
blankFormat(len(val)), val...) }
c179558
err = g.Error(err.Error()) if err != nil { panic(err) } } exit(1) }
c179559
err = g.Error(err.Error()) if err != nil { panic(err) } } exit(1) }
c179560
g.GetCurrentMode(l) != NONE }
c179561
CaptureMetricsFn(w, func(ww http.ResponseWriter) { hnd.ServeHTTP(ww, r) }) }
c179562
from = da.follow(from, key[pos]) } to := from if da.Array[from].Value < 0 { to = da.follow(from, 0) } return &da.Array[to].Value }
c179563
dataEecoder := json.NewEncoder(out) return dataEecoder.Encode(da.cedar) } return ErrInvalidDataType }
c179564
if err != nil { return err } defer file.Close() out := bufio.NewWriter(file) defer out.Flush() da.Save(out, dataType) return nil }
c179565
dataDecoder := json.NewDecoder(in) return dataDecoder.Decode(da.cedar) } return ErrInvalidDataType }
c179566
nil { return err } in := bufio.NewReader(file) return da.Load(in, dataType) }
c179567
nil, ErrInvalidKey } for i := 0; i < len(key)/2; i++ { key[i], key[len(key)-i-1] = key[len(key)-i-1], key[i] } return key, nil }
c179568
if da.Array[to].Check == id && da.Array[to].Value >= 0 { return da.Array[to].Value, nil } return 0, ErrNoValue }
c179569
// delete the label from the child ring first da.popSibling(from, base, label) // then release the current node `to` to the empty node ring da.pushEnode(to) break } // otherwise, just release the current node `to` to the empty node ring da.pushEnode(to) // then check its parent node to = from } return nil }
c179570
parsed := make([]int64, 3, 3) for i, v := range dotParts[:3] { val, err := strconv.ParseInt(v, 10, 64) parsed[i] = val if err != nil { return err } } v.Metadata = metadata v.PreRelease = preRelease v.Major = parsed[0] v.Minor = parsed[1] v.Patch = parsed[2] return nil }
c179571
versionB.Slice()); cmp != 0 { return cmp } return preReleaseCompare(v, versionB) }
c179572
{ return []int64{v.Major, v.Minor, v.Patch} }
c179573
= 0 v.Patch = 0 v.PreRelease = PreRelease("") v.Metadata = "" }
c179574
1 v.Patch = 0 v.PreRelease = PreRelease("") v.Metadata = "" }
c179575
= PreRelease("") v.Metadata = "" }
c179576
fmt.Errorf("%s is not a valid semver identifier", id) } return nil }
c179577
make(chan *Event, bufsize), quit: make(chan bool), Eventlog: make(EventLog, 0), } }
c179578
connection: make(chan *Event, 64), } str.register <- sub return sub }
c179579
AutoStream: false, AutoReplay: true, Streams: make(map[string]*Stream), } }
c179580
s.Streams[id].quit <- true delete(s.Streams, id) } }
c179581
str := newStream(s.BufferSize, s.AutoReplay) str.run() s.Streams[id] = str return str }
c179582
s.Streams[id].close() delete(s.Streams, id) } }
c179583
defer s.mu.Unlock() return s.Streams[id] != nil }
c179584
defer s.mu.Unlock() if s.Streams[id] != nil { s.Streams[id].event <- s.process(event) } }
c179585
&http.Client{}, Headers: make(map[string]string), subscribed: make(map[chan *Event]chan bool), } }
c179586
// If we get an error, ignore it. if msg, err := c.processEvent(event); err == nil { if len(msg.ID) > 0 { c.EventID = string(msg.ID) } else { msg.ID = []byte(c.EventID) } handler(msg) } } } return backoff.Retry(operation, backoff.NewExponentialBackOff()) }
c179587
event event, err := reader.ReadEvent() if err != nil { if err == io.EOF { c.cleanup(resp, ch) return nil } // run user specified disconnect function if c.disconnectcb != nil { c.disconnectcb(c) } return err } // If we get an error, ignore it. if msg, err := c.processEvent(event); err == nil { if len(msg.ID) > 0 { c.EventID = string(msg.ID) } else { msg.ID = []byte(c.EventID) } select { case <-c.subscribed[ch]: c.cleanup(resp, ch) return nil case ch <- msg: // message sent } } } } err := backoff.Retry(operation, backoff.NewExponentialBackOff()) if err != nil && !connected { errch <- err } }() err := <-errch close(errch) return err }
c179588
return c.Subscribe("", handler) }
c179589
if c.subscribed[ch] != nil { c.subscribed[ch] <- true } }
c179590
return i + 1, data[0:i], nil } if i := bytes.Index(data, []byte("\r\r")); i >= 0 { return i + 1, data[0:i], nil } if i := bytes.Index(data, []byte("\n\n")); i >= 0 { return i + 1, data[0:i], nil } // If we're at EOF, we have all of the data. if atEOF { return len(data), data, nil } // Request more data. return 0, nil, nil } // Set the split function for the scanning operation. scanner.Split(split) return &EventStreamReader{ scanner: scanner, } }
c179591
if err := e.scanner.Err(); err != nil { return nil, err } return nil, io.EOF }
c179592
// Push events to client for { select { case ev, ok := <-sub.connection: if !ok { return } // If the data buffer is an empty string abort. if len(ev.Data) == 0 { break } // if the event has expired, dont send it if s.EventTTL != 0 && time.Now().After(ev.timestamp.Add(s.EventTTL)) { continue } fmt.Fprintf(w, "id: %s\n", ev.ID) fmt.Fprintf(w, "data: %s\n", ev.Data) if len(ev.Event) > 0 { fmt.Fprintf(w, "event: %s\n", ev.Event) } if len(ev.Retry) > 0 { fmt.Fprintf(w, "retry: %s\n", ev.Retry) } fmt.Fprint(w, "\n") flusher.Flush() } } }
c179593
ev.timestamp = time.Now() (*e) = append((*e), ev) }
c179594
i++ { if string((*e)[i].ID) >= s.eventid { s.connection <- (*e)[i] } } }
c179595
x509.ParsePKCS1PrivateKey(d.Bytes) case ecPrivateKey: return x509.ParseECPrivateKey(d.Bytes) default: return nil, fmt.Errorf("%q is unsupported", d.Type) } }
c179596
} b := &pem.Block{Type: ecPrivateKey, Bytes: bytes} if err := pem.Encode(f, b); err != nil { f.Close() return err } return f.Close() }
c179597
|| !gen { return nil, err } ecKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) if err != nil { return nil, err } return ecKey, writeKey(filename, ecKey) }
c179598
{ return filepath.Join(filepath.Dir(existing), filename) }
c179599
agreed = "no" } else if a.AgreedTerms == a.CurrentTerms { agreed = "yes" } fmt.Fprintln(tw, "Accepted:\t", agreed) // TODO: print authorization and certificates tw.Flush() }