fix: Corrected font-weight support for span

CatchABus · NathanWalker · commit 045986de8fe7 · 2025-01-28T23:26:24.000-08:00
diff --git a/packages/core/platforms/android/widgets-release.aar b/packages/core/platforms/android/widgets-release.aar
diff --git a/packages/core/ui/styling/font.android.ts b/packages/core/ui/styling/font.android.ts
@@ -47,7 +47,7 @@ export class Font extends FontBase {
 		return this._typeface;
 	}
 
-	getUIFont(defaultFont: UIFont): UIFont {
+	getUIFont(defaultFont: any): any {
 		return undefined;
 	}
 }
@@ -121,7 +121,7 @@ function loadFontFromFile(fontFamily: string, font: Font): android.graphics.Type
 function createTypeface(font: Font): android.graphics.Typeface {
 	const fontFamilies = parseFontFamily(font.fontFamily);
 	const fontWeight = font.fontWeight;
-	const isNumericFontWeightSupported = SDK_VERSION > 27;
+	const isNumericFontWeightSupported = SDK_VERSION >= 28;
 
 	let result: android.graphics.Typeface;
 	let fontStyle: number = 0;
diff --git a/packages/core/ui/styling/font.ios.ts b/packages/core/ui/styling/font.ios.ts
@@ -109,7 +109,7 @@ export class Font extends FontBase {
 		});
 	}
 
-	getAndroidTypeface(): android.graphics.Typeface {
+	getAndroidTypeface(): any {
 		return undefined;
 	}
 }
diff --git a/packages/core/ui/text-base/index.android.ts b/packages/core/ui/text-base/index.android.ts
@@ -3,7 +3,7 @@ import { getClosestPropertyValue, maxLinesProperty, textOverflowProperty } from
 import { ShadowCSSValues } from '../styling/css-shadow';
 
 // Requires
-import { Font, isFontWeightBold } from '../styling/font';
+import { Font } from '../styling/font';
 import { backgroundColorProperty } from '../styling/style-properties';
 import { TextBaseCommon, formattedTextProperty, textAlignmentProperty, textDecorationProperty, textProperty, textTransformProperty, textShadowProperty, textStrokeProperty, letterSpacingProperty, whiteSpaceProperty, lineHeightProperty, resetSymbol } from './text-base-common';
 import { Color } from '../../color';
@@ -593,33 +593,17 @@ function createSpannableStringBuilder(formattedString: FormattedString, defaultF
 
 function setSpanModifiers(ssb: android.text.SpannableStringBuilder, span: Span, start: number, end: number, defaultFontSize: number): void {
 	const spanStyle = span.style;
-	const bold = isFontWeightBold(spanStyle.fontWeight);
-	const italic = spanStyle.fontStyle === 'italic';
 	const align = spanStyle.verticalAlignment;
 
-	// We set font style using StyleSpan in case the font doesn't support font styles
-	if (bold && italic) {
-		ssb.setSpan(new android.text.style.StyleSpan(android.graphics.Typeface.BOLD_ITALIC), start, end, android.text.Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-	} else if (bold) {
-		ssb.setSpan(new android.text.style.StyleSpan(android.graphics.Typeface.BOLD), start, end, android.text.Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-	} else if (italic) {
-		ssb.setSpan(new android.text.style.StyleSpan(android.graphics.Typeface.ITALIC), start, end, android.text.Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-	}
-
-	const fontFamily = span.fontFamily;
-	if (fontFamily) {
-		const font = new Font(fontFamily, 0, spanStyle.fontStyle, spanStyle.fontWeight, spanStyle.fontScaleInternal, spanStyle.fontVariationSettings);
-		const typeface = font.getAndroidTypeface() || android.graphics.Typeface.create(fontFamily, 0);
-		const typefaceSpan: android.text.style.TypefaceSpan = new org.nativescript.widgets.CustomTypefaceSpan(fontFamily, typeface);
-		ssb.setSpan(typefaceSpan, start, end, android.text.Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-	}
+	const font = new Font(spanStyle.fontFamily, spanStyle.fontSize, spanStyle.fontStyle, spanStyle.fontWeight, spanStyle.fontScaleInternal, spanStyle.fontVariationSettings);
+	const typefaceSpan = new org.nativescript.widgets.CustomTypefaceSpan(font.getAndroidTypeface());
+	ssb.setSpan(typefaceSpan, start, end, android.text.Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 
-	const realFontSize = span.fontSize;
-	if (realFontSize) {
-		ssb.setSpan(new android.text.style.AbsoluteSizeSpan(realFontSize * layout.getDisplayDensity()), start, end, android.text.Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+	if (spanStyle.fontSize) {
+		ssb.setSpan(new android.text.style.AbsoluteSizeSpan(layout.toDevicePixels(spanStyle.fontSize)), start, end, android.text.Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 	}
 
-	const color = span.color;
+	const color = spanStyle.color;
 	if (color) {
 		ssb.setSpan(new android.text.style.ForegroundColorSpan(color.android), start, end, android.text.Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 	}
@@ -646,7 +630,7 @@ function setSpanModifiers(ssb: android.text.SpannableStringBuilder, span: Span,
 
 	if (align) {
 		initializeBaselineAdjustedSpan();
-		ssb.setSpan(new BaselineAdjustedSpan(defaultFontSize * layout.getDisplayDensity(), align), start, end, android.text.Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+		ssb.setSpan(new BaselineAdjustedSpan(layout.toDevicePixels(defaultFontSize), align), start, end, android.text.Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 	}
 
 	const tappable = span.tappable;
diff --git a/packages/types-android/src/lib/android/org.nativescript.widgets.d.ts b/packages/types-android/src/lib/android/org.nativescript.widgets.d.ts
@@ -654,7 +654,7 @@
             }
 
             export class CustomTypefaceSpan extends android.text.style.TypefaceSpan {
-                constructor(family: string, typeface: android.graphics.Typeface);
+                constructor(typeface: android.graphics.Typeface);
             }
         }
     }
diff --git a/packages/ui-mobile-base/android/widgets/src/main/java/org/nativescript/widgets/CustomTypefaceSpan.java b/packages/ui-mobile-base/android/widgets/src/main/java/org/nativescript/widgets/CustomTypefaceSpan.java
@@ -7,15 +7,12 @@
 
 /**
  * Created by hhristov on 2/27/17.
+ * Updated by CatchABus on 1/26/25.
  */
-
 @SuppressLint("ParcelCreator")
 public class CustomTypefaceSpan extends TypefaceSpan {
-	private final Typeface typeface;
-
-	public CustomTypefaceSpan(String family, Typeface typeface) {
-		super(family);
-		this.typeface = typeface;
+	public CustomTypefaceSpan(Typeface typeface) {
+		super(typeface);
 	}
 
 	public void updateDrawState(TextPaint ds) {
@@ -30,7 +27,7 @@ private void applyCustomTypeFace(TextPaint paint) {
 		final Typeface old = paint.getTypeface();
 		final int oldStyle = (old == null) ? 0 : old.getStyle();
 
-		Typeface typeface = this.typeface;
+		Typeface typeface = this.getTypeface();
 		int fake = oldStyle & ~typeface.getStyle();
 		if ((fake & android.graphics.Typeface.BOLD) != 0) {
 			paint.setFakeBoldText(true);
