Added the "cloud" participant icon

lmika · Jul 27, 2021 · 09b59a5 · 09b59a5
1 parent 9ece611
commit 09b59a5
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Showing 2 changed files with 52 additions and 0 deletions.
diff --git a/seqdiagram/actoricon.go b/seqdiagram/actoricon.go
@@ -39,4 +39,5 @@ func (bai *builtinActorIcon) graphboxIcon() graphbox.Icon {
 var builtinIcons = map[string]ActorIcon{
 	"human":    &builtinActorIcon{graphbox.StickPersonIcon(1)},
 	"cylinder": &builtinActorIcon{graphbox.CylinderIcon(1)},
+	"cloud":    &builtinActorIcon{graphbox.PathIcon{graphbox.CloudPathData}},
 }
diff --git a/seqdiagram/graphbox/icons.go b/seqdiagram/graphbox/icons.go
@@ -97,3 +97,54 @@ func (ci CylinderIcon) drawCurve(ctx DrawContext, fx, fy, tx, ty, mag int, style
 
 	ctx.Canvas.Path(pathCmds.String(), style)
 }
+
+// A cloud
+//
+
+type PathIcon struct {
+	Data PathIconData
+}
+
+func (pi PathIcon) Size() (width int, height int) {
+	width = int(pi.Data.TargetIconSize * pi.Data.Width / pi.Data.Height)
+	height = int(pi.Data.TargetIconSize)
+	return
+}
+
+func (pi PathIcon) Draw(ctx DrawContext, x int, y int, lineStyle *SvgStyle) {
+	scaleFactor := (pi.Data.TargetIconSize - pi.Data.IconPadding*2) / pi.Data.Width
+
+	style := lineStyle.ToStyle()
+
+	tx, ty := float64(x)/scaleFactor-pi.Data.Width/2.0, float64(y)/scaleFactor-pi.Data.Height/2.0
+	transformations := fmt.Sprintf("scale(%f) translate(%f %f)", scaleFactor, tx, ty)
+
+	ctx.Canvas.Group(style)
+	ctx.Canvas.Path(pi.Data.Path, "transform=\""+transformations+"\"", "style=\"stroke-width:10px\"")
+	ctx.Canvas.Gend()
+}
+
+type PathIconData struct {
+	Width          float64
+	Height         float64
+	TargetIconSize float64
+	IconPadding    float64
+	Path           string
+}
+
+
+// CloudPathData represents the path data for the cloud icon.
+// The image was adapted from the one at https://freesvg.org/simple-white-cloud-icon-vector-graphics
+var CloudPathData = PathIconData{
+	Width:          365.0,
+	Height:         185.0,
+	TargetIconSize: 44.0,
+	IconPadding:    -18.0,
+	Path:           `
+		m299.75 60.587c-4.108 0-8.123 0.411-12.001 1.188-11.95-35.875-46.03-61.775-86.23-61.775-33.761
+		0-63.196 18.27-78.847 45.363-0.919-0.036-1.84-0.07-2.769-0.07-23.494 0-44.202 11.816-56.409
+		29.777-3.263-0.617-6.627-0.953-10.071-0.953-29.503 0-53.42 23.702-53.42 52.943 0 29.24 23.917
+		52.94 53.421 52.94h66.435 0.045 0.045 81.525 0.045 0.047 98.145 0.046c33.28 0 60.25-26.73
+		60.25-59.71 0-32.972-26.97-59.703-60.25-59.703z
+	`,
+}