[F] Fix font

android/app/src/main/java/aza/instant/SvgUtil.kt

@@ -1,7 +1,11 @@
 package aza.instant
 
+import android.content.Context
 import android.graphics.Picture
+import android.graphics.Typeface
+import androidx.core.content.res.ResourcesCompat
 import com.caverock.androidsvg.SVG
+import com.caverock.androidsvg.SVGExternalFileResolver
 import qrcode.QRCode
 import qrcode.raw.ErrorCorrectionLevel
 import java.io.ByteArrayOutputStream
@@ -36,4 +40,21 @@ suspend fun genSvg(template: String, imagePath: String): String {
     return svg
 }
 
-fun renderSvgAndroid(svg: String): Picture? = SVG.getFromString(svg).renderToPicture(6192 /6, 4128/6)
+class FontResolver(private val context: Context) : SVGExternalFileResolver() {
+    override fun resolveFont(fontFamily: String?, fontWeight: Int, fontStyle: String?): Typeface? {
+        if (fontFamily.equals("Quicksand", ignoreCase = true)) {
+            val fontRes = when (fontWeight) {
+                in 0..400 -> R.raw.quicksand_regular
+                in 401..600 -> R.raw.quicksand_medium
+                else -> R.raw.quicksand_bold
+            }
+            return ResourcesCompat.getFont(context, fontRes)
+        }
+        return super.resolveFont(fontFamily, fontWeight, fontStyle)
+    }
+}
+
+fun renderSvgAndroid(context: Context, svg: String): Picture? {
+    SVG.registerExternalFileResolver(FontResolver(context))
+    return SVG.getFromString(svg).renderToPicture(6192 / 6, 4128 / 6)
+}