Merge pull request #1438 from gavin-ts/set-label-icon-position

use specified label/icon position

d2graph/d2graph.go

@@ -26,6 +26,7 @@ import (
 	"oss.terrastruct.com/d2/d2themes/d2themescatalog"
 	"oss.terrastruct.com/d2/lib/color"
 	"oss.terrastruct.com/d2/lib/geo"
+	"oss.terrastruct.com/d2/lib/label"
 	"oss.terrastruct.com/d2/lib/shape"
 	"oss.terrastruct.com/d2/lib/textmeasure"
 )
@@ -1382,6 +1383,18 @@ func (g *Graph) SetDimensions(mtexts []*d2target.MText, ruler *textmeasure.Ruler
 	for _, obj := range g.Objects {
 		obj.Box = &geo.Box{}
 
+		// user-specified label/icon positions
+		if obj.HasLabel() && obj.Attributes.LabelPosition != nil {
+			scalar := *obj.Attributes.LabelPosition
+			position := LabelPositionsMapping[scalar.Value]
+			obj.LabelPosition = go2.Pointer(string(position))
+		}
+		if obj.Icon != nil && obj.Attributes.IconPosition != nil {
+			scalar := *obj.Attributes.IconPosition
+			position := LabelPositionsMapping[scalar.Value]
+			obj.IconPosition = go2.Pointer(string(position))
+		}
+
 		var desiredWidth int
 		var desiredHeight int
 		if obj.WidthAttr != nil {
@@ -1735,6 +1748,37 @@ var LabelPositionsArray = []string{
 }
 var LabelPositions map[string]struct{}
 
+// convert to label.Position
+var LabelPositionsMapping = map[string]label.Position{
+	"top-left":   label.InsideTopLeft,
+	"top-center": label.InsideTopCenter,
+	"top-right":  label.InsideTopRight,
+
+	"center-left":   label.InsideMiddleLeft,
+	"center-center": label.InsideMiddleCenter,
+	"center-right":  label.InsideMiddleRight,
+
+	"bottom-left":   label.InsideBottomLeft,
+	"bottom-center": label.InsideBottomCenter,
+	"bottom-right":  label.InsideBottomRight,
+
+	"outside-top-left":   label.OutsideTopLeft,
+	"outside-top-center": label.OutsideTopCenter,
+	"outside-top-right":  label.OutsideTopRight,
+
+	"outside-left-top":    label.OutsideLeftTop,
+	"outside-left-center": label.OutsideLeftMiddle,
+	"outside-left-bottom": label.OutsideLeftBottom,
+
+	"outside-right-top":    label.OutsideRightTop,
+	"outside-right-center": label.OutsideRightMiddle,
+	"outside-right-bottom": label.OutsideRightBottom,
+
+	"outside-bottom-left":   label.OutsideBottomLeft,
+	"outside-bottom-center": label.OutsideBottomCenter,
+	"outside-bottom-right":  label.OutsideBottomRight,
+}
+
 var FillPatterns = []string{
 	"dots",
 	"lines",

d2layouts/d2dagrelayout/layout.go

@@ -236,6 +236,16 @@ func Layout(ctx context.Context, g *d2graph.Graph, opts *ConfigurableOpts) (err
 		obj.Width = math.Ceil(dn.Width)
 		obj.Height = math.Ceil(dn.Height)
 
+		if obj.Icon != nil && obj.IconPosition == nil {
+			if len(obj.ChildrenArray) > 0 {
+				obj.IconPosition = go2.Pointer(string(label.OutsideTopLeft))
+				if obj.LabelPosition == nil {
+					obj.LabelPosition = go2.Pointer(string(label.OutsideTopRight))
+				}
+			} else {
+				obj.IconPosition = go2.Pointer(string(label.InsideMiddleCenter))
+			}
+		}
 		if obj.HasLabel() && obj.LabelPosition == nil {
 			if len(obj.ChildrenArray) > 0 {
 				obj.LabelPosition = go2.Pointer(string(label.OutsideTopCenter))
@@ -249,14 +259,6 @@ func Layout(ctx context.Context, g *d2graph.Graph, opts *ConfigurableOpts) (err
 				obj.LabelPosition = go2.Pointer(string(label.InsideMiddleCenter))
 			}
 		}
-		if obj.Icon != nil && obj.IconPosition == nil {
-			if len(obj.ChildrenArray) > 0 {
-				obj.IconPosition = go2.Pointer(string(label.OutsideTopLeft))
-				obj.LabelPosition = go2.Pointer(string(label.OutsideTopRight))
-			} else {
-				obj.IconPosition = go2.Pointer(string(label.InsideMiddleCenter))
-			}
-		}
 	}
 
 	for i, edge := range g.Edges {

d2layouts/d2elklayout/layout.go

@@ -407,6 +407,16 @@ func Layout(ctx context.Context, g *d2graph.Graph, opts *ConfigurableOpts) (err
 		obj.Width = math.Ceil(n.Width)
 		obj.Height = math.Ceil(n.Height)
 
+		if obj.Icon != nil && obj.IconPosition == nil {
+			if len(obj.ChildrenArray) > 0 {
+				obj.IconPosition = go2.Pointer(string(label.InsideTopLeft))
+				if obj.LabelPosition == nil {
+					obj.LabelPosition = go2.Pointer(string(label.InsideTopRight))
+				}
+			} else {
+				obj.IconPosition = go2.Pointer(string(label.InsideMiddleCenter))
+			}
+		}
 		if obj.HasLabel() && obj.LabelPosition == nil {
 			if len(obj.ChildrenArray) > 0 {
 				obj.LabelPosition = go2.Pointer(string(label.InsideTopCenter))
@@ -419,14 +429,6 @@ func Layout(ctx context.Context, g *d2graph.Graph, opts *ConfigurableOpts) (err
 				obj.LabelPosition = go2.Pointer(string(label.InsideMiddleCenter))
 			}
 		}
-		if obj.Icon != nil && obj.IconPosition == nil {
-			if len(obj.ChildrenArray) > 0 {
-				obj.IconPosition = go2.Pointer(string(label.InsideTopLeft))
-				obj.LabelPosition = go2.Pointer(string(label.InsideTopRight))
-			} else {
-				obj.IconPosition = go2.Pointer(string(label.InsideMiddleCenter))
-			}
-		}
 
 		byID[obj.AbsID()] = obj
 	})

e2etests/e2e_test.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/xml"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -228,7 +227,7 @@ func run(t *testing.T, tc testCase) {
 
 		err = os.MkdirAll(dataPath, 0755)
 		assert.Success(t, err)
-		err = ioutil.WriteFile(pathGotSVG, svgBytes, 0600)
+		err = os.WriteFile(pathGotSVG, svgBytes, 0600)
 		assert.Success(t, err)
 
 		// Check that it's valid SVG
@@ -246,16 +245,6 @@ func run(t *testing.T, tc testCase) {
 	}
 }
 
-func getShape(t *testing.T, diagram *d2target.Diagram, id string) d2target.Shape {
-	for _, shape := range diagram.Shapes {
-		if shape.ID == id {
-			return shape
-		}
-	}
-	t.Fatalf(`Shape "%s" not found`, id)
-	return d2target.Shape{}
-}
-
 func mdTestScript(md string) string {
 	return fmt.Sprintf(`
 md: |md
@@ -267,7 +256,7 @@ a -> md -> b
 
 func loadFromFile(t *testing.T, name string) testCase {
 	fn := filepath.Join("testdata", "files", fmt.Sprintf("%s.d2", name))
-	d2Text, err := ioutil.ReadFile(fn)
+	d2Text, err := os.ReadFile(fn)
 	if err != nil {
 		t.Fatalf("failed to load test from file:%s. %s", name, err.Error())
 	}

e2etests/stable_test.go

@@ -2779,6 +2779,8 @@ scenarios: {
 		loadFromFile(t, "multiple_offset_left"),
 		loadFromFile(t, "multiple_box_selection"),
 		loadFromFile(t, "outside_bottom_labels"),
+		loadFromFile(t, "label_positions"),
+		loadFromFile(t, "icon_positions"),
 	}
 
 	runa(t, tcs)

e2etests/testdata/files/icon_positions.d2

@@ -0,0 +1,158 @@
+non container: {
+  Default.class: icon
+
+  OutsideTopLeft.class: [icon; OutsideTopLeft]
+  OutsideTopCenter.class: [icon; OutsideTopCenter]
+  OutsideTopRight.class: [icon; OutsideTopRight]
+
+  OutsideLeftTop.class: [icon; OutsideLeftTop]
+  OutsideLeftMiddle.class: [icon; OutsideLeftMiddle]
+  OutsideLeftBottom.class: [icon; OutsideLeftBottom]
+
+  OutsideRightTop.class: [icon; OutsideRightTop]
+  OutsideRightMiddle.class: [icon; OutsideRightMiddle]
+  OutsideRightBottom.class: [icon; OutsideRightBottom]
+
+  OutsideBottomLeft.class: [icon; OutsideBottomLeft]
+  OutsideBottomCenter.class: [icon; OutsideBottomCenter]
+  OutsideBottomRight.class: [icon; OutsideBottomRight]
+
+  InsideTopLeft.class: [icon; InsideTopLeft]
+  InsideTopCenter.class: [icon; InsideTopCenter]
+  InsideTopRight.class: [icon; InsideTopRight]
+
+  InsideMiddleLeft.class: [icon; InsideMiddleLeft]
+  InsideMiddleCenter.class: [icon; InsideMiddleCenter]
+  InsideMiddleRight.class: [icon; InsideMiddleRight]
+
+  InsideBottomLeft.class: [icon; InsideBottomLeft]
+  InsideBottomCenter.class: [icon; InsideBottomCenter]
+  InsideBottomRight.class: [icon; InsideBottomRight]
+}
+
+container: {
+  Default.Default.class: icon
+
+  OutsideTopLeft.class: [icon; OutsideTopLeft]
+  OutsideTopCenter.class: [icon; OutsideTopCenter]
+  OutsideTopRight.class: [icon; OutsideTopRight]
+
+  OutsideLeftTop.class: [icon; OutsideLeftTop]
+  OutsideLeftMiddle.class: [icon; OutsideLeftMiddle]
+  OutsideLeftBottom.class: [icon; OutsideLeftBottom]
+
+  OutsideRightTop.class: [icon; OutsideRightTop]
+  OutsideRightMiddle.class: [icon; OutsideRightMiddle]
+  OutsideRightBottom.class: [icon; OutsideRightBottom]
+
+  OutsideBottomLeft.class: [icon; OutsideBottomLeft]
+  OutsideBottomCenter.class: [icon; OutsideBottomCenter]
+  OutsideBottomRight.class: [icon; OutsideBottomRight]
+
+  InsideTopLeft.class: [icon; InsideTopLeft]
+  InsideTopCenter.class: [icon; InsideTopCenter]
+  InsideTopRight.class: [icon; InsideTopRight]
+
+  InsideMiddleLeft.class: [icon; InsideMiddleLeft]
+  InsideMiddleCenter.class: [icon; InsideMiddleCenter]
+  InsideMiddleRight.class: [icon; InsideMiddleRight]
+
+  InsideBottomLeft.class: [icon; InsideBottomLeft]
+  InsideBottomCenter.class: [icon; InsideBottomCenter]
+  InsideBottomRight.class: [icon; InsideBottomRight]
+
+  OutsideTopLeft.OutsideTopLeft
+  OutsideTopCenter.OutsideTopCenter
+  OutsideTopRight.OutsideTopRight
+
+  OutsideLeftTop.OutsideLeftTop
+  OutsideLeftMiddle.OutsideLeftMiddle
+  OutsideLeftBottom.OutsideLeftBottom
+
+  OutsideRightTop.OutsideRightTop
+  OutsideRightMiddle.OutsideRightMiddle
+  OutsideRightBottom.OutsideRightBottom
+
+  OutsideBottomLeft.OutsideBottomLeft
+  OutsideBottomCenter.OutsideBottomCenter
+  OutsideBottomRight.OutsideBottomRight
+
+  InsideTopLeft.InsideTopLeft
+  InsideTopCenter.InsideTopCenter
+  InsideTopRight.InsideTopRight
+
+  InsideMiddleLeft.InsideMiddleLeft
+  InsideMiddleCenter.InsideMiddleCenter
+  InsideMiddleRight.InsideMiddleRight
+
+  InsideBottomLeft.InsideBottomLeft
+  InsideBottomCenter.InsideBottomCenter
+  InsideBottomRight.InsideBottomRight
+}
+
+image: {
+  Default.class: [icon; image]
+
+  OutsideTopLeft.class: [icon; image; OutsideTopLeft]
+  OutsideTopCenter.class: [icon; image; OutsideTopCenter]
+  OutsideTopRight.class: [icon; image; OutsideTopRight]
+
+  OutsideLeftTop.class: [icon; image; OutsideLeftTop]
+  OutsideLeftMiddle.class: [icon; image; OutsideLeftMiddle]
+  OutsideLeftBottom.class: [icon; image; OutsideLeftBottom]
+
+  OutsideRightTop.class: [icon; image; OutsideRightTop]
+  OutsideRightMiddle.class: [icon; image; OutsideRightMiddle]
+  OutsideRightBottom.class: [icon; image; OutsideRightBottom]
+
+  OutsideBottomLeft.class: [icon; image; OutsideBottomLeft]
+  OutsideBottomCenter.class: [icon; image; OutsideBottomCenter]
+  OutsideBottomRight.class: [icon; image; OutsideBottomRight]
+
+  InsideTopLeft.class: [icon; image; InsideTopLeft]
+  InsideTopCenter.class: [icon; image; InsideTopCenter]
+  InsideTopRight.class: [icon; image; InsideTopRight]
+
+  InsideMiddleLeft.class: [icon; image; InsideMiddleLeft]
+  InsideMiddleCenter.class: [icon; image; InsideMiddleCenter]
+  InsideMiddleRight.class: [icon; image; InsideMiddleRight]
+
+  InsideBottomLeft.class: [icon; image; InsideBottomLeft]
+  InsideBottomCenter.class: [icon; image; InsideBottomCenter]
+  InsideBottomRight.class: [icon; image; InsideBottomRight]
+}
+
+non container -> container -> image
+
+classes: {
+  image.shape: image
+  icon.icon: https://icons.terrastruct.com/essentials/time.svg
+
+  OutsideTopLeft.icon.near: outside-top-left
+  OutsideTopCenter.icon.near: outside-top-center
+  OutsideTopRight.icon.near: outside-top-right
+
+  OutsideLeftTop.icon.near: outside-left-top
+  OutsideLeftMiddle.icon.near: outside-left-center
+  OutsideLeftBottom.icon.near: outside-left-bottom
+
+  OutsideRightTop.icon.near: outside-right-top
+  OutsideRightMiddle.icon.near: outside-right-center
+  OutsideRightBottom.icon.near: outside-right-bottom
+
+  OutsideBottomLeft.icon.near: outside-bottom-left
+  OutsideBottomCenter.icon.near: outside-bottom-center
+  OutsideBottomRight.icon.near: outside-bottom-right
+
+  InsideTopLeft.icon.near: top-left
+  InsideTopCenter.icon.near: top-center
+  InsideTopRight.icon.near: top-right
+
+  InsideMiddleLeft.icon.near: center-left
+  InsideMiddleCenter.icon.near: center-center
+  InsideMiddleRight.icon.near: center-right
+
+  InsideBottomLeft.icon.near: bottom-left
+  InsideBottomCenter.icon.near: bottom-center
+  InsideBottomRight.icon.near: bottom-right
+}

e2etests/testdata/files/label_positions.d2

@@ -0,0 +1,221 @@
+non container: {
+  Default
+
+  OutsideTopLeft.class: OutsideTopLeft
+  OutsideTopCenter.class: OutsideTopCenter
+  OutsideTopRight.class: OutsideTopRight
+
+  OutsideLeftTop.class: OutsideLeftTop
+  OutsideLeftMiddle.class: OutsideLeftMiddle
+  OutsideLeftBottom.class: OutsideLeftBottom
+
+  OutsideRightTop.class: OutsideRightTop
+  OutsideRightMiddle.class: OutsideRightMiddle
+  OutsideRightBottom.class: OutsideRightBottom
+
+  OutsideBottomLeft.class: OutsideBottomLeft
+  OutsideBottomCenter.class: OutsideBottomCenter
+  OutsideBottomRight.class: OutsideBottomRight
+
+  InsideTopLeft.class: InsideTopLeft
+  InsideTopCenter.class: InsideTopCenter
+  InsideTopRight.class: InsideTopRight
+
+  InsideMiddleLeft.class: InsideMiddleLeft
+  InsideMiddleCenter.class: InsideMiddleCenter
+  InsideMiddleRight.class: InsideMiddleRight
+
+  InsideBottomLeft.class: InsideBottomLeft
+  InsideBottomCenter.class: InsideBottomCenter
+  InsideBottomRight.class: InsideBottomRight
+}
+
+container: {
+  Default.Default
+
+  OutsideTopLeft.class: OutsideTopLeft
+  OutsideTopCenter.class: OutsideTopCenter
+  OutsideTopRight.class: OutsideTopRight
+
+  OutsideLeftTop.class: OutsideLeftTop
+  OutsideLeftMiddle.class: OutsideLeftMiddle
+  OutsideLeftBottom.class: OutsideLeftBottom
+
+  OutsideRightTop.class: OutsideRightTop
+  OutsideRightMiddle.class: OutsideRightMiddle
+  OutsideRightBottom.class: OutsideRightBottom
+
+  OutsideBottomLeft.class: OutsideBottomLeft
+  OutsideBottomCenter.class: OutsideBottomCenter
+  OutsideBottomRight.class: OutsideBottomRight
+
+  InsideTopLeft.class: InsideTopLeft
+  InsideTopCenter.class: InsideTopCenter
+  InsideTopRight.class: InsideTopRight
+
+  InsideMiddleLeft.class: InsideMiddleLeft
+  InsideMiddleCenter.class: InsideMiddleCenter
+  InsideMiddleRight.class: InsideMiddleRight
+
+  InsideBottomLeft.class: InsideBottomLeft
+  InsideBottomCenter.class: InsideBottomCenter
+  InsideBottomRight.class: InsideBottomRight
+
+  OutsideTopLeft.OutsideTopLeft
+  OutsideTopCenter.OutsideTopCenter
+  OutsideTopRight.OutsideTopRight
+
+  OutsideLeftTop.OutsideLeftTop
+  OutsideLeftMiddle.OutsideLeftMiddle
+  OutsideLeftBottom.OutsideLeftBottom
+
+  OutsideRightTop.OutsideRightTop
+  OutsideRightMiddle.OutsideRightMiddle
+  OutsideRightBottom.OutsideRightBottom
+
+  OutsideBottomLeft.OutsideBottomLeft
+  OutsideBottomCenter.OutsideBottomCenter
+  OutsideBottomRight.OutsideBottomRight
+
+  InsideTopLeft.InsideTopLeft
+  InsideTopCenter.InsideTopCenter
+  InsideTopRight.InsideTopRight
+
+  InsideMiddleLeft.InsideMiddleLeft
+  InsideMiddleCenter.InsideMiddleCenter
+  InsideMiddleRight.InsideMiddleRight
+
+  InsideBottomLeft.InsideBottomLeft
+  InsideBottomCenter.InsideBottomCenter
+  InsideBottomRight.InsideBottomRight
+}
+
+with icon: {
+  Default.class: icon
+
+  OutsideTopLeft.class: [icon; OutsideTopLeft]
+  OutsideTopCenter.class: [icon; OutsideTopCenter]
+  OutsideTopRight.class: [icon; OutsideTopRight]
+
+  OutsideLeftTop.class: [icon; OutsideLeftTop]
+  OutsideLeftMiddle.class: [icon; OutsideLeftMiddle]
+  OutsideLeftBottom.class: [icon; OutsideLeftBottom]
+
+  OutsideRightTop.class: [icon; OutsideRightTop]
+  OutsideRightMiddle.class: [icon; OutsideRightMiddle]
+  OutsideRightBottom.class: [icon; OutsideRightBottom]
+
+  OutsideBottomLeft.class: [icon; OutsideBottomLeft]
+  OutsideBottomCenter.class: [icon; OutsideBottomCenter]
+  OutsideBottomRight.class: [icon; OutsideBottomRight]
+
+  InsideTopLeft.class: [icon; InsideTopLeft]
+  InsideTopCenter.class: [icon; InsideTopCenter]
+  InsideTopRight.class: [icon; InsideTopRight]
+
+  InsideMiddleLeft.class: [icon; InsideMiddleLeft]
+  InsideMiddleCenter.class: [icon; InsideMiddleCenter]
+  InsideMiddleRight.class: [icon; InsideMiddleRight]
+
+  InsideBottomLeft.class: [icon; InsideBottomLeft]
+  InsideBottomCenter.class: [icon; InsideBottomCenter]
+  InsideBottomRight.class: [icon; InsideBottomRight]
+}
+
+container with icon: {
+  Default.Default
+
+  OutsideTopLeft.OutsideTopLeft
+  OutsideTopCenter.OutsideTopCenter
+  OutsideTopRight.OutsideTopRight
+
+  OutsideLeftTop.OutsideLeftTop
+  OutsideLeftMiddle.OutsideLeftMiddle
+  OutsideLeftBottom.OutsideLeftBottom
+
+  OutsideRightTop.OutsideRightTop
+  OutsideRightMiddle.OutsideRightMiddle
+  OutsideRightBottom.OutsideRightBottom
+
+  OutsideBottomLeft.OutsideBottomLeft
+  OutsideBottomCenter.OutsideBottomCenter
+  OutsideBottomRight.OutsideBottomRight
+
+  InsideTopLeft.InsideTopLeft
+  InsideTopCenter.InsideTopCenter
+  InsideTopRight.InsideTopRight
+
+  InsideMiddleLeft.InsideMiddleLeft
+  InsideMiddleCenter.InsideMiddleCenter
+  InsideMiddleRight.InsideMiddleRight
+
+  InsideBottomLeft.InsideBottomLeft
+  InsideBottomCenter.InsideBottomCenter
+  InsideBottomRight.InsideBottomRight
+
+  Default.class: icon
+
+  OutsideTopLeft.class: [icon; OutsideTopLeft]
+  OutsideTopCenter.class: [icon; OutsideTopCenter]
+  OutsideTopRight.class: [icon; OutsideTopRight]
+
+  OutsideLeftTop.class: [icon; OutsideLeftTop]
+  OutsideLeftMiddle.class: [icon; OutsideLeftMiddle]
+  OutsideLeftBottom.class: [icon; OutsideLeftBottom]
+
+  OutsideRightTop.class: [icon; OutsideRightTop]
+  OutsideRightMiddle.class: [icon; OutsideRightMiddle]
+  OutsideRightBottom.class: [icon; OutsideRightBottom]
+
+  OutsideBottomLeft.class: [icon; OutsideBottomLeft]
+  OutsideBottomCenter.class: [icon; OutsideBottomCenter]
+  OutsideBottomRight.class: [icon; OutsideBottomRight]
+
+  InsideTopLeft.class: [icon; InsideTopLeft]
+  InsideTopCenter.class: [icon; InsideTopCenter]
+  InsideTopRight.class: [icon; InsideTopRight]
+
+  InsideMiddleLeft.class: [icon; InsideMiddleLeft]
+  InsideMiddleCenter.class: [icon; InsideMiddleCenter]
+  InsideMiddleRight.class: [icon; InsideMiddleRight]
+
+  InsideBottomLeft.class: [icon; InsideBottomLeft]
+  InsideBottomCenter.class: [icon; InsideBottomCenter]
+  InsideBottomRight.class: [icon; InsideBottomRight]
+}
+
+non container -> container -> with icon -> container with icon
+
+classes: {
+  icon: {
+    icon: https://icons.terrastruct.com/essentials/time.svg
+  }
+
+  OutsideTopLeft.label.near: outside-top-left
+  OutsideTopCenter.label.near: outside-top-center
+  OutsideTopRight.label.near: outside-top-right
+
+  OutsideLeftTop.label.near: outside-left-top
+  OutsideLeftMiddle.label.near: outside-left-center
+  OutsideLeftBottom.label.near: outside-left-bottom
+
+  OutsideRightTop.label.near: outside-right-top
+  OutsideRightMiddle.label.near: outside-right-center
+  OutsideRightBottom.label.near: outside-right-bottom
+
+  OutsideBottomLeft.label.near: outside-bottom-left
+  OutsideBottomCenter.label.near: outside-bottom-center
+  OutsideBottomRight.label.near: outside-bottom-right
+
+  InsideTopLeft.label.near: top-left
+  InsideTopCenter.label.near: top-center
+  InsideTopRight.label.near: top-right
+
+  InsideMiddleLeft.label.near: center-left
+  InsideMiddleCenter.label.near: center-center
+  InsideMiddleRight.label.near: center-right
+
+  InsideBottomLeft.label.near: bottom-left
+  InsideBottomCenter.label.near: bottom-center
+  InsideBottomRight.label.near: bottom-right
+}

lib/label/label.go

@@ -50,6 +50,34 @@ const (
 	UnlockedBottom Position = "UNLOCKED_BOTTOM"
 )
 
+func (position Position) IsShapePosition() bool {
+	switch position {
+	case OutsideTopLeft, OutsideTopCenter, OutsideTopRight,
+		OutsideBottomLeft, OutsideBottomCenter, OutsideBottomRight,
+		OutsideLeftTop, OutsideLeftMiddle, OutsideLeftBottom,
+		OutsideRightTop, OutsideRightMiddle, OutsideRightBottom,
+
+		InsideTopLeft, InsideTopCenter, InsideTopRight,
+		InsideMiddleLeft, InsideMiddleCenter, InsideMiddleRight,
+		InsideBottomLeft, InsideBottomCenter, InsideBottomRight:
+		return true
+	default:
+		return false
+	}
+}
+
+func (position Position) IsEdgePosition() bool {
+	switch position {
+	case OutsideTopLeft, OutsideTopCenter, OutsideTopRight,
+		InsideMiddleLeft, InsideMiddleCenter, InsideMiddleRight,
+		OutsideBottomLeft, OutsideBottomCenter, OutsideBottomRight,
+		UnlockedTop, UnlockedMiddle, UnlockedBottom:
+		return true
+	default:
+		return false
+	}
+}
+
 func (position Position) IsOutside() bool {
 	switch position {
 	case OutsideTopLeft, OutsideTopCenter, OutsideTopRight,