Add CandlestickCartesianLayer#scaleCandleWicks

vico/compose/src/main/java/com/patrykandpatrick/vico/compose/cartesian/layer/CandlestickCartesianLayer.kt

@@ -33,6 +33,7 @@ public fun rememberCandlestickCartesianLayer(
     candles: CandlestickCartesianLayer.CandleProvider = CandlestickCartesianLayer.CandleProvider.absolute(),
     minCandleBodyHeight: Dp = Defaults.MIN_CANDLE_BODY_HEIGHT_DP.dp,
     candleSpacing: Dp = Defaults.CANDLE_SPACING_DP.dp,
+    scaleCandleWicks: Boolean = false,
     verticalAxisPosition: AxisPosition.Vertical? = null,
     drawingModelInterpolator: DrawingModelInterpolator<
         CandlestickCartesianLayerDrawingModel.CandleInfo,
@@ -42,7 +43,8 @@ public fun rememberCandlestickCartesianLayer(
     remember { CandlestickCartesianLayer(candles) }.apply {
         this.candles = candles
         minCandleBodyHeightDp = minCandleBodyHeight.value
-        this.candleSpacingDp = candleSpacing.value
+        candleSpacingDp = candleSpacing.value
+        this.scaleCandleWicks = scaleCandleWicks
         this.verticalAxisPosition = verticalAxisPosition
         this.drawingModelInterpolator = drawingModelInterpolator
     }

vico/core/src/main/java/com/patrykandpatrick/vico/core/cartesian/layer/CandlestickCartesianLayer.kt

@@ -46,17 +46,19 @@ import com.patrykandpatrick.vico.core.common.shape.Shape
 /**
  * [CandlestickCartesianLayer] displays data as vertical bars. It can draw multiple columns per segment.
  *
- * @param candles provides the [Candle]s.
- * @param minCandleBodyHeightDp TODO
- * @param candleSpacingDp the horizontal padding between the edges of chart segments and the columns they contain.
+ * @property candles provides the [Candle]s.
+ * @property minCandleBodyHeightDp TODO
+ * @property candleSpacingDp the horizontal padding between the edges of chart segments and the columns they contain.
  * segments that contain a single column only.
- * @param verticalAxisPosition the position of the [VerticalAxis] with which the [ColumnCartesianLayer] should be
+ * @property scaleCandleWicks whether the candle wicks should be scaled based on the zoom factor.
+ * @property verticalAxisPosition the position of the [VerticalAxis] with which the [ColumnCartesianLayer] should be
  * associated. Use this for independent [CartesianLayer] scaling.
  */
 public open class CandlestickCartesianLayer(
     public var candles: CandleProvider,
     public var minCandleBodyHeightDp: Float = Defaults.MIN_CANDLE_BODY_HEIGHT_DP,
     public var candleSpacingDp: Float = Defaults.CANDLE_SPACING_DP,
+    public var scaleCandleWicks: Boolean = false,
     public var verticalAxisPosition: AxisPosition.Vertical? = null,
     public var drawingModelInterpolator: DrawingModelInterpolator<
         CandlestickCartesianLayerDrawingModel.CandleInfo,
@@ -165,15 +167,15 @@ public open class CandlestickCartesianLayer(
                     top = topWickY,
                     bottom = bodyTopY,
                     centerX = bodyCenterX,
-                    thicknessScale = zoom,
+                    thicknessScale = if (scaleCandleWicks) zoom else 1f,
                 )
 
                 candle.bottomWick.drawVertical(
                     context = this,
                     top = bodyBottomY,
                     bottom = bottomWickY,
                     centerX = bodyCenterX,
-                    thicknessScale = zoom,
+                    thicknessScale = if (scaleCandleWicks) zoom else 1f,
                 )
             }
         }

vico/views/src/main/java/com/patrykandpatrick/vico/views/common/theme/ChartStyleExtensions.kt

@@ -253,6 +253,7 @@ internal fun TypedArray.getCandlestickCartesianLayer(context: Context): Candlest
                     R.styleable.CandlestickLayerStyle_candleSpacing,
                     Defaults.CANDLE_SPACING_DP,
                 ),
+            scaleCandleWicks = typedArray.getBoolean(R.styleable.CandlestickLayerStyle_scaleCandleWicks, false),
         )
     }
 }

vico/views/src/main/res/values/candlestick_chart_attrs.xml

@@ -36,6 +36,7 @@
         <attr name="absolutelyBearishRelativelyBearishCandleStyle" format="reference" />
         <attr name="minCandleBodyHeight" format="dimension" />
         <attr name="candleSpacing" format="dimension" />
+        <attr name="scaleCandleWicks" format="boolean" />
     </declare-styleable>
 
     <declare-styleable name="CandleStyle">