image scaling

lib/src/main/kotlin/com/github/mnemotechnician/mkui/Buttons.kt

@@ -1,5 +1,6 @@
 package com.github.mnemotechnician.mkui
 
+import arc.util.*
 import arc.scene.*
 import arc.scene.ui.*
 import arc.scene.ui.layout.*
@@ -37,20 +38,23 @@ inline fun Table.textButton(crossinline provider: () -> String, style: TextButto
 /** Adds an image button with an optional onclick listener, returns the created cell */
 inline fun Table.imageButton(image: Drawable, style: ImageButton.ImageButtonStyle = Styles.defaulti, crossinline onclick: ImageButton.() -> Unit = {}): Cell<ImageButton> {
 	val b = ImageButton(image, style)
+	b.image.setScaling(Scaling.bounded)
 	b.clicked { b.onclick() }
 	return add(b)
 }
 
 /** Adds an image button with an optional onclick listener, returns the created cell */
 inline fun Table.imageButton(image: TextureRegion, style: ImageButton.ImageButtonStyle = Styles.defaulti, crossinline onclick: ImageButton.() -> Unit = {}): Cell<ImageButton> {
 	val b = ImageButton(image, style)
+	b.image.setScaling(Scaling.bounded)
 	b.clicked { b.onclick() }
 	return add(b)
 }
 
 /** Adds an image button with a dynamic image and an optional onclick listener, returns the created cell */
 inline fun Table.imageButton(crossinline provider: () -> TextureRegion, style: ImageButton.ImageButtonStyle = Styles.defaulti, crossinline onclick: ImageButton.() -> Unit = {}): Cell<ImageButton> {
 	val b = ImageButton(provider(), style)
+	b.image.setScaling(Scaling.bounded)
 	b.clicked { b.onclick() }
 	b.update { b.image.setDrawable(provider()) }
 	return add(b)

lib/src/main/kotlin/com/github/mnemotechnician/mkui/ElementUtil.kt

@@ -1,5 +1,6 @@
 package com.github.mnemotechnician.mkui
 
+import arc.util.*
 import arc.scene.*
 import arc.scene.ui.*
 import arc.scene.ui.layout.*
@@ -23,7 +24,17 @@ fun Cell<Label>.scaleFont(scale: Float) = this.apply {
 	get().setFontScale(scale)
 };
 
-/** Changes the font size of the wrapped text button and returns the created cell */
+/** Changes the font size of the wrapped text button and returns the cell */
 fun Cell<TextButton>.scaleButtonFont(scale: Float) = this.apply {
 	get().label.setFontScale(scale)
+};
+
+/** Changes Scaling of the wrapped image and returns the cell */
+fun Cell<Image>.scaleImage(scaling: Scaling) = this.apply {
+	get().setScaling(scaling)
+};
+
+/** Sets scaling of the image inside the image button and returns the cell */
+fun Cell<ImageButton>.scaleButtonImage(scaling: Scaling) = this.apply {
+	get().image.setScaling(scaling)
 }

lib/src/main/kotlin/com/github/mnemotechnician/mkui/Elements.kt

@@ -1,5 +1,6 @@
 package com.github.mnemotechnician.mkui
 
+import arc.util.*
 import arc.scene.ui.*
 import arc.scene.ui.layout.*
 import arc.scene.style.*
@@ -26,20 +27,23 @@ inline fun Table.addLabel(crossinline provider: () -> CharSequence, style: Label
 }
 
 /** Adds a constant image to the table and returns the created cell */
-inline fun Table.addImage(drawable: Drawable): Cell<Image> {
+inline fun Table.addImage(drawable: Drawable, scaling: Scaling = Scaling.bounded): Cell<Image> {
 	val i = Image(drawable)
+	i.setScaling(scaling)
 	return add(i)
 }
 
 /** Adds a constant image to the table and returns the created cell */
-inline fun Table.addImage(drawable: TextureRegion): Cell<Image> {
+inline fun Table.addImage(drawable: TextureRegion, scaling: Scaling = Scaling.bounded): Cell<Image> {
 	val i = Image(drawable)
+	i.setScaling(scaling)
 	return add(i)
 }
 
 /** Adds a dynamic image to the table and returns the created cell */
-inline fun Table.addImage(crossinline provider: () -> TextureRegion): Cell<Image> {
+inline fun Table.addImage(crossinline provider: () -> TextureRegion, scaling: Scaling = Scaling.bounded): Cell<Image> {
 	val i = Image(provider())
+	i.setScaling(scaling)
 	i.update { provider() }
 	return add(i)
 }

lib/src/main/kotlin/com/github/mnemotechnician/mkui/windows/Window.kt

@@ -3,10 +3,12 @@ package com.github.mnemotechnician.mkui.windows
 import arc.scene.ui.layout.*
 import com.github.mnemotechnician.mkui.*
 
-/** A class that represents a floating on-screen window that the user can drag and interact with. */
+/**
+ * A class that represents a floating on-screen window that the user can drag and interact with.
+ */
 abstract class Window {
 
-	/** The root of the window */
+	/** The root of the window. Should not be modified nor accessed. */
 	lateinit internal var rootTable: Table
 
 	/** The table this window is assigned to. Initialized when the window is created. */
@@ -27,22 +29,34 @@ abstract class Window {
 	/** Whether this window can be closed by the user. Should be overriden. */
 	abstract var closeable: Boolean
 
-	/** Called when the window is being created. At this point the window has a Table assigned to it, which should be inflated by this function. */
+	/**
+	 * Called when the window is being created.
+	 *
+	 * At this point the window has a Table assigned to it, which should be inflated by this function.
+	 */
 	abstract fun onCreate()
 
-	/** The window has already been created, this function is called on every tick. You should avoid modifying the table from this function: that can cause a performance loss. */
+	/** 
+	 * This function is called on every tick after creating the table.
+	 *
+	 * Avoid modifying the table in this function: that can cause a performance loss.
+	 */
 	open fun onUpdate() {
 	}
 
-	/** Called whenever the window is being dragged by the user */
+	/**
+	 * Called when the window is being dragged by the user.
+	 *
+	 * This function is called continuously.
+	 */
 	open fun onDrag() {
 	}
 
 	/** Called whenever this window is being toggled by the user */
 	open fun onToggle(collapsed: Boolean) {
 	}
 
-	/** Called whenever the window is being destroyed */
+	/** Called when the window is being destroyed. Usually this means that the user closed the window. */
 	open fun onDestroy() {
 	}