add OverlaySettings dsl for textOverlay (#56)

jordond · Oct 12, 2023 · 3e22300 · 3e22300
1 parent 619fcef
commit 3e22300
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diff --git a/transformerkt/src/main/java/dev/transformerkt/dsl/effects/OverlaySettings.kt b/transformerkt/src/main/java/dev/transformerkt/dsl/effects/OverlaySettings.kt
@@ -3,8 +3,10 @@ package dev.transformerkt.dsl.effects
 import android.content.Context
 import android.graphics.Bitmap
 import android.net.Uri
+import android.text.SpannableString
 import androidx.media3.effect.OverlaySettings
 import dev.transformerkt.ktx.effects.bitmapOverlay
+import dev.transformerkt.ktx.effects.textOverlay
 
 @EffectsDsl
 @Suppress("UnusedReceiverParameter")
@@ -28,3 +30,10 @@ public fun EffectsBuilder.bitmapOverlay(
 ): EffectsBuilder = apply {
     bitmapOverlay(context, uri, overlaySettings(block))
 }
+
+public fun EffectsBuilder.textOverlay(
+    spannableString: SpannableString,
+    block: OverlaySettings.Builder.() -> Unit,
+): EffectsBuilder = apply {
+    textOverlay(spannableString, overlaySettings(block))
+}
diff --git a/transformerkt/src/main/java/dev/transformerkt/ktx/effects/TextOverlay.kt b/transformerkt/src/main/java/dev/transformerkt/ktx/effects/TextOverlay.kt
@@ -1,7 +1,9 @@
 package dev.transformerkt.ktx.effects
 
 import android.text.SpannableString
+import android.text.SpannableStringBuilder
 import androidx.annotation.CheckResult
+import androidx.core.text.toSpannable
 import androidx.media3.effect.OverlayEffect
 import androidx.media3.effect.OverlaySettings
 import androidx.media3.effect.TextOverlay
@@ -26,3 +28,10 @@ public fun EffectsBuilder.textOverlay(
 ): EffectsBuilder = apply {
     video(textOverlayEffect(text, settings))
 }
+
+public inline fun buildSpannableString(
+    builderAction: SpannableStringBuilder.() -> Unit,
+): SpannableString {
+    val builder = SpannableStringBuilder().apply(builderAction)
+    return SpannableString.valueOf(builder.toSpannable())
+}