Add folder icons to breadcrumb demo

And screenshot of the demo itself for #8

demo/src/desktopMain/kotlin/org/pushingpixels/aurora/demo/AuroraBreadcrumbBarDemo.kt

@@ -33,6 +33,7 @@ import org.pushingpixels.aurora.component.AuroraBreadcrumbBar
 import org.pushingpixels.aurora.component.model.*
 import org.pushingpixels.aurora.component.projection.CommandButtonPanelProjection
 import org.pushingpixels.aurora.component.projection.CommandButtonProjection
+import org.pushingpixels.aurora.demo.svg.material.folder_open_black_24dp
 import org.pushingpixels.aurora.demo.svg.radiance_menu
 import org.pushingpixels.aurora.theming.*
 import org.pushingpixels.aurora.window.AuroraDecorationArea
@@ -111,6 +112,10 @@ fun AuroraWindowScope.BreadcrumbContent(auroraSkinDefinition: MutableState<Auror
                     .let { name -> name.ifEmpty { item.absolutePath } }
             }
 
+            override fun getIcon(item: File?): Painter? {
+                return if (item?.isDirectory == true) folder_open_black_24dp() else null
+            }
+
             override suspend fun getPathChoices(item: File?): List<File> {
                 // If our item is null, get the file system roots. Otherwise, get all files under
                 // this file item.

demo/src/desktopMain/kotlin/org/pushingpixels/aurora/demo/svg/material/folder_open_black_24dp.kt

@@ -0,0 +1,183 @@
+package org.pushingpixels.aurora.demo.svg.material
+
+import androidx.compose.ui.geometry.*
+import androidx.compose.ui.graphics.*
+import androidx.compose.ui.graphics.drawscope.DrawScope
+import androidx.compose.ui.graphics.drawscope.Fill
+import androidx.compose.ui.graphics.drawscope.Stroke
+import androidx.compose.ui.graphics.drawscope.clipRect
+import androidx.compose.ui.graphics.drawscope.translate
+import androidx.compose.ui.graphics.drawscope.withTransform
+import androidx.compose.ui.graphics.painter.Painter
+import java.lang.ref.WeakReference
+import java.util.*
+import kotlin.math.min
+
+/**
+ * This class has been automatically generated using
+ * <a href="https://github.com/kirill-grouchnikov/aurora">Aurora SVG transcoder</a>.
+ */
+class folder_open_black_24dp : Painter() {
+    @Suppress("UNUSED_VARIABLE") private var shape: Outline? = null
+    @Suppress("UNUSED_VARIABLE") private var generalPath: Path? = null
+    @Suppress("UNUSED_VARIABLE") private var brush: Brush? = null
+    @Suppress("UNUSED_VARIABLE") private var stroke: Stroke? = null
+    @Suppress("UNUSED_VARIABLE") private var clip: Shape? = null
+    private var alpha = 1.0f
+    private var blendMode = DrawScope.DefaultBlendMode
+    private var alphaStack = mutableListOf(1.0f)
+    private var blendModeStack = mutableListOf(DrawScope.DefaultBlendMode)
+
+	private fun _paint0(drawScope : DrawScope) {
+var shapeText: Outline?
+var generalPathText: Path? = null
+var alphaText = 0.0f
+var blendModeText = DrawScope.DefaultBlendMode
+with(drawScope) {
+// 
+alphaStack.add(0, alpha)
+alpha *= 1.0f
+blendModeStack.add(0, BlendMode.SrcOver)
+blendMode = BlendMode.SrcOver
+// _0
+alphaStack.add(0, alpha)
+alpha *= 1.0f
+blendModeStack.add(0, BlendMode.SrcOver)
+blendMode = BlendMode.SrcOver
+// _0_0
+alpha = alphaStack.removeAt(0)
+blendMode = blendModeStack.removeAt(0)
+alphaStack.add(0, alpha)
+alpha *= 1.0f
+blendModeStack.add(0, BlendMode.SrcOver)
+blendMode = BlendMode.SrcOver
+// _0_1
+if (generalPath == null) {
+   generalPath = Path()
+} else {
+   generalPath!!.reset()
+}
+generalPath!!.moveTo(20.0f, 6.0f)
+generalPath!!.lineTo(12.0f, 6.0f)
+generalPath!!.lineTo(10.0f, 4.0f)
+generalPath!!.lineTo(4.0f, 4.0f)
+generalPath!!.cubicTo(2.9f, 4.0f, 2.01f, 4.9f, 2.01f, 6.0f)
+generalPath!!.lineTo(2.0f, 18.0f)
+generalPath!!.cubicTo(2.0f, 19.1f, 2.9f, 20.0f, 4.0f, 20.0f)
+generalPath!!.lineTo(20.0f, 20.0f)
+generalPath!!.cubicTo(21.1f, 20.0f, 22.0f, 19.1f, 22.0f, 18.0f)
+generalPath!!.lineTo(22.0f, 8.0f)
+generalPath!!.cubicTo(22.0f, 6.9f, 21.1f, 6.0f, 20.0f, 6.0f)
+generalPath!!.close()
+generalPath!!.moveTo(20.0f, 18.0f)
+generalPath!!.lineTo(4.0f, 18.0f)
+generalPath!!.lineTo(4.0f, 8.0f)
+generalPath!!.lineTo(20.0f, 8.0f)
+generalPath!!.lineTo(20.0f, 18.0f)
+generalPath!!.close()
+shape = Outline.Generic(generalPath!!)
+brush = SolidColor(Color(0, 0, 0, 255))
+drawOutline(outline = shape!!, style=Fill, brush=brush!!, alpha=alpha, blendMode = blendMode)
+alpha = alphaStack.removeAt(0)
+blendMode = blendModeStack.removeAt(0)
+alpha = alphaStack.removeAt(0)
+blendMode = blendModeStack.removeAt(0)
+
+}
+}
+
+
+
+    private fun innerPaint(drawScope: DrawScope) {
+	    _paint0(drawScope)
+
+
+	    shape = null
+	    generalPath = null
+	    brush = null
+	    stroke = null
+	    clip = null
+	    alpha = 1.0f
+	}
+
+    companion object {
+        /**
+         * Returns the X of the bounding box of the original SVG image.
+         *
+         * @return The X of the bounding box of the original SVG image.
+         */
+        fun getOrigX(): Double {
+            return 2.0
+        }
+
+        /**
+         * Returns the Y of the bounding box of the original SVG image.
+         *
+         * @return The Y of the bounding box of the original SVG image.
+         */
+        fun getOrigY(): Double {
+            return 4.0
+        }
+
+        /**
+         * Returns the width of the bounding box of the original SVG image.
+         *
+         * @return The width of the bounding box of the original SVG image.
+         */
+        fun getOrigWidth(): Double {
+            return 20.0
+        }
+
+        /**
+         * Returns the height of the bounding box of the original SVG image.
+         *
+         * @return The height of the bounding box of the original SVG image.
+         */
+        fun getOrigHeight(): Double {
+            return 16.0
+        }
+
+
+    }
+
+    override val intrinsicSize: Size
+        get() = Size.Unspecified
+
+    override fun DrawScope.onDraw() {
+        clipRect {
+            // Use the original icon bounding box and the current icon dimension to compute
+            // the scaling factor
+            val fullOrigWidth = getOrigX() + getOrigWidth()
+            val fullOrigHeight = getOrigY() + getOrigHeight()
+            val coef1 = size.width / fullOrigWidth
+            val coef2 = size.height / fullOrigHeight
+            val coef = min(coef1, coef2).toFloat()
+
+            // Use the original icon bounding box and the current icon dimension to compute
+            // the offset pivot for the scaling
+            var translateX = -getOrigX()
+            var translateY = -getOrigY()
+            if (coef1 != coef2) {
+                if (coef1 < coef2) {
+                    val extraDy = ((fullOrigWidth - fullOrigHeight) / 2.0f).toFloat()
+                    translateY += extraDy
+                } else {
+                    val extraDx = ((fullOrigHeight - fullOrigWidth) / 2.0f).toFloat()
+                    translateX += extraDx
+                }
+            }
+            val translateXDp = translateX.toFloat().toDp().value
+            val translateYDp = translateY.toFloat().toDp().value
+
+            // Create a combined scale + translate + clip transform before calling the transcoded painting instructions
+            withTransform({
+                scale(scaleX = coef, scaleY = coef, pivot = Offset.Zero)
+                translate(translateXDp, translateYDp)
+                clipRect(left = 0.0f, top = 0.0f, right = fullOrigWidth.toFloat(), bottom = fullOrigHeight.toFloat(), clipOp = ClipOp.Intersect)
+            }) {
+                innerPaint(this)
+            }
+        }
+    }
+}
+