updated readme with example

MrIceman · MrIceman · commit fc180ba007de · 2023-04-26T21:08:56.000+02:00
diff --git a/README.md b/README.md
@@ -36,3 +36,5 @@ and you won't find some functionalities yet such as
 	d.Render()
 
 ```
+Result PNG file: 
+![image description](./examples/user_starts_chatting.png)
diff --git a/examples/main.go b/examples/main.go
@@ -3,7 +3,7 @@ package main
 import "go-uml/sequence"
 
 func main() {
-	d := sequence.NewDiagram()
+	d := sequence.NewDiagram("user_starts_chatting")
 
 	client := "Client"
 	backend := "Backend"
diff --git a/out.png b/out.png
diff --git a/sequence/diagram.go b/sequence/diagram.go
@@ -27,15 +27,17 @@ type Diagram struct {
 	renderedParticipants []*participant
 	participantsCoordMap map[string]participantCoord
 
-	dc    *gg.Context
-	title string
+	dc       *gg.Context
+	title    string
+	filename string
 }
 
-func NewDiagram() *Diagram {
+func NewDiagram(filename string) *Diagram {
 	coordMap := make(map[string]participantCoord)
 
 	return &Diagram{
 		participantsCoordMap: coordMap,
+		filename:             filename,
 	}
 }
 
@@ -49,7 +51,7 @@ func (d *Diagram) Render() {
 	d.renderParticipants()
 	d.renderEdges()
 
-	d.dc.SavePNG("out.png")
+	d.dc.SavePNG(fmt.Sprintf("%s.png", d.filename))
 }
 
 func (d *Diagram) renderTitle() {

Original file line number	Diff line number	Diff line change
`@@ -27,15 +27,17 @@ type Diagram struct {`
`27`	`27`	`renderedParticipants []*participant`
`28`	`28`	`participantsCoordMap map[string]participantCoord`
`29`	`29`
`30`		`- dc *gg.Context`
`31`		`- title string`
	`30`	`+ dc *gg.Context`
	`31`	`+ title string`
	`32`	`+ filename string`
`32`	`33`	`}`
`33`	`34`
`34`		`-func NewDiagram() *Diagram {`
	`35`	`+func NewDiagram(filename string) *Diagram {`
`35`	`36`	`coordMap := make(map[string]participantCoord)`
`36`	`37`
`37`	`38`	`return &Diagram{`
`38`	`39`	`participantsCoordMap: coordMap,`
	`40`	`+ filename: filename,`
`39`	`41`	`}`
`40`	`42`	`}`
`41`	`43`
`@@ -49,7 +51,7 @@ func (d *Diagram) Render() {`
`49`	`51`	`d.renderParticipants()`
`50`	`52`	`d.renderEdges()`
`51`	`53`
`52`		`- d.dc.SavePNG("out.png")`
	`54`	`+ d.dc.SavePNG(fmt.Sprintf("%s.png", d.filename))`
`53`	`55`	`}`
`54`	`56`
`55`	`57`	`func (d *Diagram) renderTitle() {`