Render LaTeX labels with the shape's font color, instead of stroke

ci/release/changelogs/next.md

@@ -78,6 +78,7 @@
   - Encode and escape clip-path identifiers consistently in definitions and
     references. [#2906](https://github.com/d2lang/d2/pull/2906)
   - Escape color attributes across shapes, connections, labels, and themes. [#2909](https://github.com/d2lang/d2/pull/2909)
+  - Render LaTeX labels with the shape's font color instead of its stroke color.
 
 ---
 

d2renderers/d2scenebuild/assets.go

@@ -43,7 +43,7 @@ func (b *builder) preflightAssets() error {
 		if targetShape.Opacity == 0 || targetShape.Label == "" || targetShape.Language != "latex" {
 			continue
 		}
-		if _, err := b.resolveLatexAsset(fmt.Sprintf("shape %q", targetShape.ID), targetShape.Label, targetShape.Stroke); err != nil {
+		if _, err := b.resolveLatexAsset(fmt.Sprintf("shape %q", targetShape.ID), targetShape.Label, targetShape.GetFontColor()); err != nil {
 			return err
 		}
 	}

d2renderers/d2scenebuild/build.go

@@ -972,7 +972,7 @@ func (b *builder) buildShapeText(targetShape d2target.Shape) ([]*d2scene.Node, e
 		topLeft := latexShapeLabelTopLeft(targetShape)
 		node, err := b.buildLatexLabelNode(
 			fmt.Sprintf("shape %q", targetShape.ID), targetShape.ID+":label:0",
-			targetShape.Label, targetShape.Stroke, topLeft,
+			targetShape.Label, targetShape.GetFontColor(), topLeft,
 		)
 		if err != nil {
 			return nil, err

d2renderers/d2scenebuild/latex_test.go

@@ -27,7 +27,7 @@ func TestBuildLatexShapeAndConnectionLabels(t *testing.T) {
 		LabelFill: "#ff0000", Underline: true, Bold: true,
 	}
 	shape.LabelPosition = "INSIDE_MIDDLE_CENTER"
-	shape.Stroke = "#000000"
+	shape.Color = "#000000"
 	connection := &diagram.Connections[0]
 	connection.Text = d2target.Text{
 		Label: formula, Language: "latex",
@@ -114,11 +114,11 @@ func TestBuildLatexResolvesCurrentColorWithoutOverridingExplicitColor(t *testing
 	if err != nil {
 		t.Fatal(err)
 	}
-	makeShape := func(id string, x int, stroke string) d2target.Shape {
+	makeShape := func(id string, x int, fontColor string) d2target.Shape {
 		return d2target.Shape{
 			ID: id, Type: d2target.ShapeText, Pos: d2target.Point{X: x}, Width: width, Height: height,
-			Opacity: 1, Fill: "none", Stroke: stroke,
-			Text:          d2target.Text{Label: formula, Language: "latex", LabelWidth: width, LabelHeight: height},
+			Opacity: 1, Fill: "none",
+			Text:          d2target.Text{Label: formula, Language: "latex", LabelWidth: width, LabelHeight: height, Color: fontColor},
 			LabelPosition: "INSIDE_MIDDLE_CENTER",
 		}
 	}
@@ -214,9 +214,10 @@ func TestBuildLatexLabelRendersPixels(t *testing.T) {
 	diagram.Shapes = []d2target.Shape{{
 		ID: "formula", Type: d2target.ShapeText,
 		Width: width, Height: height, Opacity: 1,
-		Fill: "none", Stroke: "#0055cc",
+		Fill: "none",
 		Text: d2target.Text{
 			Label: formula, Language: "latex", LabelWidth: width, LabelHeight: height,
+			Color: "#0055cc",
 		},
 		LabelPosition: "INSIDE_MIDDLE_CENTER",
 	}}

d2renderers/d2svg/d2svg.go

@@ -2123,7 +2123,7 @@ func drawShape(writer, appendixWriter io.Writer, diagramHash string, targetShape
 			)
 			gEl.SetTranslate(labelTL.X, labelTL.Y)
 
-			gEl.Color = targetShape.Stroke
+			gEl.Color = targetShape.GetFontColor()
 			gEl.SetInnerSVG(svg.TrustedFragment(render))
 			fmt.Fprint(writer, gEl.Render())
 		} else if targetShape.Language == "markdown" {