Add panel background nine patch

src/main/kotlin/net/shadowfacts/asmr/TestCacaoScreen.kt

@@ -8,8 +8,8 @@ import net.shadowfacts.cacao.Window
 import net.shadowfacts.cacao.geometry.Axis
 import net.shadowfacts.cacao.geometry.Size
 import net.shadowfacts.cacao.util.Color
-import net.shadowfacts.cacao.util.NinePatchTexture
+import net.shadowfacts.cacao.util.texture.NinePatchTexture
-import net.shadowfacts.cacao.util.Texture
+import net.shadowfacts.cacao.util.texture.Texture
 import net.shadowfacts.cacao.view.*
 import net.shadowfacts.cacao.view.button.DropdownButton
 
@@ -26,8 +26,7 @@ class TestCacaoScreen: CacaoScreen() {
 			val red = stack.addArrangedSubview(TextureView(Texture(Identifier("textures/block/birch_log_top.png"), 0, 0, 16, 16)).apply {
 				intrinsicContentSize = Size(50.0, 50.0)
 			})
-			val buttonNinePatch = NinePatchTexture(Texture(Identifier("textures/gui/widgets.png"), 0, 66), 3, 3, 194, 14)
+			val green = stack.addArrangedSubview(NinePatchView(NinePatchTexture.PANEL_BG).apply {
-			val green = stack.addArrangedSubview(NinePatchView(buttonNinePatch).apply {
 				intrinsicContentSize = Size(75.0, 100.0)
 			})
 			val blue = stack.addArrangedSubview(View().apply {

src/main/kotlin/net/shadowfacts/cacao/util/RenderHelper.kt

@@ -8,6 +8,7 @@ import net.minecraft.client.render.VertexFormats
 import net.minecraft.client.sound.PositionedSoundInstance
 import net.minecraft.sound.SoundEvent
 import net.shadowfacts.cacao.geometry.Rect
+import net.shadowfacts.cacao.util.texture.Texture
 import org.lwjgl.opengl.GL11
 
 /**

src/main/kotlin/net/shadowfacts/cacao/util/texture/NinePatchTexture.kt

@@ -1,4 +1,6 @@
-package net.shadowfacts.cacao.util
+package net.shadowfacts.cacao.util.texture
+
+import net.minecraft.util.Identifier
 
 /**
  * Helper class that represents a texture that can be divided into nine pieces (4 corners, 4 edges, and the center)
@@ -15,12 +17,20 @@ package net.shadowfacts.cacao.util
  */
 data class NinePatchTexture(val texture: Texture, val cornerWidth: Int, val cornerHeight: Int, val centerWidth: Int, val centerHeight: Int) {
 
+	companion object {
+		val PANEL_BG = NinePatchTexture(Texture(Identifier("textures/gui/demo_background.png"), 0, 0), 5, 5, 238, 156)
+
+		val BUTTON_BG = NinePatchTexture(Texture(Identifier("textures/gui/widgets.png"), 0, 66), 3, 3, 194, 14)
+		val BUTTON_HOVERED_BG = NinePatchTexture(Texture(Identifier("textures/gui/widgets.png"), 0, 86), 3, 3, 194, 14)
+		val BUTTON_DISABLED_BG = NinePatchTexture(Texture(Identifier("textures/gui/widgets.png"), 0, 46), 3, 3, 194, 14)
+	}
+
 	// Corners
 	val topLeft by lazy {
 		texture
 	}
 	val topRight by lazy {
-		Texture(texture.location, texture.u  + cornerWidth + centerWidth, texture.v, texture.width, texture.height)
+		Texture(texture.location, texture.u + cornerWidth + centerWidth, texture.v, texture.width, texture.height)
 	}
 	val bottomLeft by lazy {
 		Texture(texture.location, texture.u, texture.v + cornerHeight + centerHeight, texture.width, texture.height)

src/main/kotlin/net/shadowfacts/cacao/util/texture/Texture.kt

@@ -1,4 +1,4 @@
-package net.shadowfacts.cacao.util
+package net.shadowfacts.cacao.util.texture
 
 import net.minecraft.util.Identifier
 

src/main/kotlin/net/shadowfacts/cacao/view/NinePatchView.kt

@@ -2,7 +2,7 @@ package net.shadowfacts.cacao.view
 
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.geometry.Rect
-import net.shadowfacts.cacao.util.NinePatchTexture
+import net.shadowfacts.cacao.util.texture.NinePatchTexture
 import net.shadowfacts.cacao.util.RenderHelper
 import net.shadowfacts.cacao.util.properties.ResettableLazyProperty
 

src/main/kotlin/net/shadowfacts/cacao/view/TextureView.kt

@@ -2,7 +2,7 @@ package net.shadowfacts.cacao.view
 
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.util.RenderHelper
-import net.shadowfacts.cacao.util.Texture
+import net.shadowfacts.cacao.util.texture.Texture
 
 /**
  * A helper class for drawing a [Texture] in a view.

src/main/kotlin/net/shadowfacts/cacao/view/button/AbstractButton.kt

@@ -1,11 +1,9 @@
 package net.shadowfacts.cacao.view.button
 
-import net.minecraft.util.Identifier
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.util.MouseButton
-import net.shadowfacts.cacao.util.NinePatchTexture
+import net.shadowfacts.cacao.util.texture.NinePatchTexture
 import net.shadowfacts.cacao.util.RenderHelper
-import net.shadowfacts.cacao.util.Texture
 import net.shadowfacts.cacao.view.NinePatchView
 import net.shadowfacts.cacao.view.View
 import net.shadowfacts.kiwidsl.dsl
@@ -23,12 +21,6 @@ import net.shadowfacts.kiwidsl.dsl
  */
 abstract class AbstractButton<Impl: AbstractButton<Impl>>(val content: View, val padding: Double = 4.0): View() {
 
-	companion object {
-		val DEFAULT_BG = NinePatchTexture(Texture(Identifier("textures/gui/widgets.png"), 0, 66), 3, 3, 194, 14)
-		val HOVERED_BG = NinePatchTexture(Texture(Identifier("textures/gui/widgets.png"), 0, 86), 3, 3, 194, 14)
-		val DISABLED_BG = NinePatchTexture(Texture(Identifier("textures/gui/widgets.png"), 0, 46), 3, 3, 194, 14)
-	}
-
 	/**
 	 * The function that handles when this button is clicked.
 	 * The parameter is the type of the concrete button implementation that was used.
@@ -50,19 +42,19 @@ abstract class AbstractButton<Impl: AbstractButton<Impl>>(val content: View, val
 	 * If a [backgroundColor] is specified, it will be drawn behind the background View and thus not visible
 	 * unless the background view is not fully opaque.
 	 */
-	var background: View? = NinePatchView(DEFAULT_BG)
+	var background: View? = NinePatchView(NinePatchTexture.BUTTON_BG)
 	/**
 	 * The background to draw when the button is hovered over by the mouse.
 	 * If `null`, the normal [background] will be used.
 	 * @see background
 	 */
-	var hoveredBackground: View? = NinePatchView(HOVERED_BG)
+	var hoveredBackground: View? = NinePatchView(NinePatchTexture.BUTTON_HOVERED_BG)
 	/**
 	 * The background to draw when the button is [disabled].
 	 * If `null`, the normal [background] will be used.
 	 * @see background
 	 */
-	var disabledBackground: View? = NinePatchView(DISABLED_BG)
+	var disabledBackground: View? = NinePatchView(NinePatchTexture.BUTTON_DISABLED_BG)
 
 	override fun wasAdded() {
 		solver.dsl {

src/main/kotlin/net/shadowfacts/cacao/view/button/DropdownButton.kt

@@ -6,8 +6,8 @@ import net.shadowfacts.cacao.geometry.Axis
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.geometry.Rect
 import net.shadowfacts.cacao.util.MouseButton
-import net.shadowfacts.cacao.util.NinePatchTexture
+import net.shadowfacts.cacao.util.texture.NinePatchTexture
-import net.shadowfacts.cacao.util.Texture
+import net.shadowfacts.cacao.util.texture.Texture
 import net.shadowfacts.cacao.util.properties.ResettableLazyProperty
 import net.shadowfacts.cacao.view.NinePatchView
 import net.shadowfacts.cacao.view.StackView
@@ -89,7 +89,7 @@ class DropdownButton<Value, ContentView: View>(
 
 	private fun showDropdown() {
 		val dropdownWindow = window.screen.addWindow(Window())
-		val dropdownBackground = dropdownWindow.addView(NinePatchView(DEFAULT_BG).apply {
+		val dropdownBackground = dropdownWindow.addView(NinePatchView(NinePatchTexture.BUTTON_BG).apply {
 			zIndex = -1.0
 		})
 		val stack = dropdownWindow.addView(StackView(Axis.VERTICAL, StackView.Distribution.LEADING))
@@ -100,8 +100,8 @@ class DropdownButton<Value, ContentView: View>(
 			val contentView = createView(value)
 			val button = stack.addArrangedSubview(Button(contentView, padding).apply {
 				background = null
-				hoveredBackground = DropdownItemBackgroundView(index == 0, index == last, HOVERED_BG)
+				hoveredBackground = DropdownItemBackgroundView(index == 0, index == last, NinePatchTexture.BUTTON_HOVERED_BG)
-				disabledBackground = DropdownItemBackgroundView(index == 0, index == last, DISABLED_BG)
+				disabledBackground = DropdownItemBackgroundView(index == 0, index == last, NinePatchTexture.BUTTON_DISABLED_BG)
 				disabled = value == this@DropdownButton.value
 				handler = {
 					dropdownWindow.removeFromScreen()

src/main/kotlin/net/shadowfacts/cacao/view/button/ToggleButton.kt

@@ -4,7 +4,7 @@ import net.minecraft.util.Identifier
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.geometry.Size
 import net.shadowfacts.cacao.util.MouseButton
-import net.shadowfacts.cacao.util.Texture
+import net.shadowfacts.cacao.util.texture.Texture
 import net.shadowfacts.cacao.view.TextureView
 
 /**