func (c *Canvas) relationsGroup(canvas *svg.SVG) {
canvas.Gid("relations")
defer canvas.Gend()
for _, relation := range c.relations {
relation.usage(canvas)
}
}
func (c *Canvas) servicesGroup(canvas *svg.SVG) {
canvas.Gid("services")
defer canvas.Gend()
for _, service := range c.services {
service.usage(canvas, c.iconIds)
}
}
func DrawLabel(s *svg.SVG, bs string) *BrailleCanvas {
var c BrailleCanvas
// TODO: they hard coded
c.dotSize = 12
c.pageMarginTop = 3
c.pageMarginBottom = 3
c.pageMarginLeft = 3
c.pageMarginRight = 3
c.gapCell = 3
c.canvasW = c.pageMarginLeft + c.pageMarginRight
c.canvasW += c.dotSize * 2 * utf8.RuneCountInString(bs)
c.canvasW += c.gapCell*utf8.RuneCountInString(bs) - 1
c.canvasH = c.pageMarginTop + c.pageMarginBottom
c.canvasH += c.dotSize * 3
s.Start(c.canvasW, c.canvasH)
x := c.pageMarginLeft
y := c.pageMarginTop
for _, b := range bs {
if b&0x2800 != 0x2800 {
log.Printf("0x%x is not a braille character!\n", b)
continue
}
Draw(s, b, x, y, c.dotSize)
x += (c.dotSize * 2) + c.gapCell
}
return &c
}
func DrawPage30(s *svg.SVG, bs string) *BrailleCanvas {
var c BrailleCanvas
// TODO: they hard coded
c.dotSize = 12
c.pageMarginTop = 10
c.pageMarginBottom = 10
c.pageMarginLeft = 10
c.pageMarginRight = 10
c.gapCell = 3
c.gapLine = 16
c.lineCellsCnt = 30
c.canvasW = c.pageMarginLeft + c.pageMarginRight
c.canvasW += c.dotSize * 2 * 30
c.canvasW += c.gapCell*30 - 1
lineCnt := calcLines(bs, 30)
c.canvasH = c.pageMarginTop + c.pageMarginBottom
c.canvasH += c.dotSize * 3 * lineCnt
c.canvasH += c.gapLine*lineCnt - 1
s.Start(c.canvasW, c.canvasH)
x := c.pageMarginLeft
y := c.pageMarginTop
lines := strings.Split(bs, "\n")
ri := 0
for _, line := range lines {
for _, b := range line {
if ri == 30 {
x = c.pageMarginLeft
y += (c.dotSize * 3) + c.gapLine
ri = 0
}
if b&0x2800 != 0x2800 {
log.Printf("0x%x is not a braille character!\n", b)
continue
}
Draw(s, b, x, y, c.dotSize)
ri += 1
x += (c.dotSize * 2) + c.gapCell
}
x = c.pageMarginLeft
y += (c.dotSize * 3) + c.gapLine
ri = 0
}
return &c
}
// usage creates any necessary tags for actually using the service in the SVG.
func (s *service) usage(canvas *svg.SVG, iconIds map[string]string) {
canvas.Use(
s.point.X,
s.point.Y,
"#serviceBlock",
fmt.Sprintf(`id=%q`, s.name))
if len(s.iconSrc) > 0 {
canvas.Use(
s.point.X+serviceBlockSize/2-iconSize/2,
s.point.Y+serviceBlockSize/2-iconSize/2,
"#"+iconIds[s.charmPath],
fmt.Sprintf(`width="%d" height="%d"`, iconSize, iconSize),
)
} else {
canvas.Image(
s.point.X+serviceBlockSize/2-iconSize/2,
s.point.Y+serviceBlockSize/2-iconSize/2,
iconSize,
iconSize,
s.iconUrl,
)
}
canvas.Textlines(
s.point.X+serviceBlockSize/2,
s.point.Y+serviceBlockSize/6,
[]string{s.name},
serviceBlockSize/10,
0,
"#505050",
"middle")
}
// usage creates any necessary tags for actually using the relation in the SVG.
func (r *serviceRelation) usage(canvas *svg.SVG) {
l := r.shortestRelation()
canvas.Line(
l.p0.X,
l.p0.Y,
l.p1.X,
l.p1.Y,
fmt.Sprintf(`stroke=%q`, relationColor),
fmt.Sprintf(`stroke-width="%dpx"`, relationLineWidth),
fmt.Sprintf(`stroke-dasharray=%q`, strokeDashArray(l)),
)
mid := l.p0.Add(l.p1).Div(2).Sub(point(healthCircleRadius, healthCircleRadius))
canvas.Use(mid.X, mid.Y, "#healthCircle")
}
func (c *Canvas) definition(canvas *svg.SVG) {
canvas.Def()
defer canvas.DefEnd()
// Service block.
canvas.Group(`id="serviceBlock"`,
`transform="scale(0.8)"`)
io.WriteString(canvas.Writer, assets.ServiceModule)
canvas.Gend() // Gid
// Relation health circle.
canvas.Gid("healthCircle")
canvas.Circle(
healthCircleRadius,
healthCircleRadius,
healthCircleRadius,
fmt.Sprintf("stroke:%s;fill:none;stroke-width:%dpx", relationColor, relationLineWidth),
)
canvas.Circle(
healthCircleRadius,
healthCircleRadius,
healthCircleRadius/2,
fmt.Sprintf("fill:%s", relationColor),
)
canvas.Gend()
// Service and relation specific defs.
for _, relation := range c.relations {
relation.definition(canvas)
}
for _, service := range c.services {
service.definition(canvas, c.iconsRendered, c.iconIds)
}
}
func drawDot(c *svg.SVG, x, y, s int) {
//c.Rect(x, y, s, s, "fill:none; stroke:yellow")
c.Circle(x+s/2, y+s/2, s/3)
}