From feccbad6e5f1d97fb717e919bfaadafec692cc65 Mon Sep 17 00:00:00 2001
From: Kyant0 <kyant2021@outlook.com>
Date: Tue, 23 Dec 2025 17:47:00 +0800
Subject: [PATCH] Update HighlightStyle.Default constructor

---
 backdrop/build.gradle.kts                     |  2 +-
 .../main/java/com/kyant/backdrop/Shaders.kt   |  3 ++-
 .../backdrop/highlight/HighlightStyle.kt      | 21 +++++++++++++++----
 .../destinations/GlassPlaygroundContent.kt    |  2 --
 4 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/backdrop/build.gradle.kts b/backdrop/build.gradle.kts
index eeabbae..ea91fbe 100644
--- a/backdrop/build.gradle.kts
+++ b/backdrop/build.gradle.kts
@@ -47,7 +47,7 @@ mavenPublishing {
     publishToMavenCentral()
     signAllPublications()
 
-    coordinates("io.github.kyant0", "backdrop", "1.0.2")
+    coordinates("io.github.kyant0", "backdrop", "1.0.3")
 
     pom {
         name.set("Backdrop")
diff --git a/backdrop/src/main/java/com/kyant/backdrop/Shaders.kt b/backdrop/src/main/java/com/kyant/backdrop/Shaders.kt
index 4e5ad53..73fdcfe 100644
--- a/backdrop/src/main/java/com/kyant/backdrop/Shaders.kt
+++ b/backdrop/src/main/java/com/kyant/backdrop/Shaders.kt
@@ -161,6 +161,7 @@ half4 main(float2 coord) {
 internal const val DefaultHighlightShaderString = """
 uniform float2 size;
 uniform float4 cornerRadii;
+layout(color) uniform half4 color;
 uniform float angle;
 uniform float falloff;
 
@@ -176,7 +177,7 @@ half4 main(float2 coord) {
     float2 normal = float2(cos(angle), sin(angle));
     float d = dot(grad, normal);
     float intensity = pow(abs(d), falloff);
-    return half4(1.0) * intensity;
+    return color * intensity;
 }"""
 
 @Language("AGSL")
diff --git a/backdrop/src/main/java/com/kyant/backdrop/highlight/HighlightStyle.kt b/backdrop/src/main/java/com/kyant/backdrop/highlight/HighlightStyle.kt
index 5992ece..8b7934d 100644
--- a/backdrop/src/main/java/com/kyant/backdrop/highlight/HighlightStyle.kt
+++ b/backdrop/src/main/java/com/kyant/backdrop/highlight/HighlightStyle.kt
@@ -11,6 +11,7 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.Shader
 import androidx.compose.ui.graphics.Shape
 import androidx.compose.ui.graphics.drawscope.DrawScope
+import androidx.compose.ui.graphics.toArgb
 import androidx.compose.ui.unit.LayoutDirection
 import androidx.compose.ui.util.fastCoerceAtMost
 import com.kyant.backdrop.AmbientHighlightShaderString
@@ -46,14 +47,25 @@ interface HighlightStyle {
 
     @Immutable
     data class Default(
-        @param:FloatRange(from = 0.0, to = 1.0) val intensity: Float = 0.5f,
+        override val color: Color = Color.White.copy(alpha = 0.5f),
+        override val blendMode: BlendMode = BlendMode.Plus,
         val angle: Float = 45f,
         @param:FloatRange(from = 0.0) val falloff: Float = 1f
     ) : HighlightStyle {
 
-        override val color: Color = Color.White.copy(alpha = intensity)
-
-        override val blendMode: BlendMode = BlendMode.Plus
+        @Deprecated(
+            "Use the constructor with color parameter instead.",
+            ReplaceWith("HighlightStyle.Default(color = Color.White.copy(alpha = intensity), angle = angle, falloff = falloff)")
+        )
+        constructor(
+            intensity: Float,
+            angle: Float = 45f,
+            falloff: Float = 1f
+        ) : this(
+            color = Color.White.copy(alpha = intensity),
+            angle = angle,
+            falloff = falloff
+        )
 
         @RequiresApi(Build.VERSION_CODES.S)
         override fun DrawScope.createShader(
@@ -67,6 +79,7 @@ interface HighlightStyle {
                 ).apply {
                     setFloatUniform("size", size.width, size.height)
                     setFloatUniform("cornerRadii", getCornerRadii(shape))
+                    setColorUniform("color", color.copy(alpha = 1f).toArgb())
                     setFloatUniform("angle", angle * (PI / 180f).toFloat())
                     setFloatUniform("falloff", falloff)
                 }
diff --git a/catalog/src/main/java/com/kyant/backdrop/catalog/destinations/GlassPlaygroundContent.kt b/catalog/src/main/java/com/kyant/backdrop/catalog/destinations/GlassPlaygroundContent.kt
index 087ab99..6d4bf94 100644
--- a/catalog/src/main/java/com/kyant/backdrop/catalog/destinations/GlassPlaygroundContent.kt
+++ b/catalog/src/main/java/com/kyant/backdrop/catalog/destinations/GlassPlaygroundContent.kt
@@ -22,7 +22,6 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.TransformOrigin
 import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.unit.dp
@@ -87,7 +86,6 @@ fun GlassPlaygroundContent() {
                         scaleX = zoom
                         scaleY = zoom
                         rotationZ = rotation
-                        transformOrigin = TransformOrigin(0.5f, 0.5f)
                     }
                 )
                 .pointerInput(animationScope) {