增加UISlider扩展组件

Runtime/Component/Child/Location.cs

@@ -349,6 +349,69 @@ namespace XCharts.Runtime
             }
         }
 
+        public Rect GetRect(float graphX, float graphY, float graphWidth, float graphHeight, float rectWidth, float rectHeight)
+        {
+            UpdateRuntimeData(graphWidth, graphWidth);
+
+            float x, y, width, height;
+
+            width = rectWidth == 0 ? graphWidth - runtimeLeft - runtimeRight : rectWidth;
+            height = rectHeight == 0 ? graphHeight - runtimeBottom - runtimeTop : rectHeight;
+
+            switch (align)
+            {
+                case Align.BottomCenter:
+                    x = graphX + runtimeLeft + (graphWidth - runtimeLeft - runtimeRight - width) / 2;
+                    y = graphY + runtimeBottom;
+                    break;
+
+                case Align.BottomLeft:
+                    x = graphX + runtimeLeft;
+                    y = graphY + runtimeBottom;
+                    break;
+
+                case Align.BottomRight:
+                    x = graphX + graphWidth - runtimeRight - width;
+                    y = graphY + runtimeBottom;
+                    break;
+
+                case Align.Center:
+                    x = graphX + runtimeLeft + (graphWidth - runtimeLeft - runtimeRight - width) / 2;
+                    y = graphY + runtimeBottom + (graphHeight - runtimeBottom - runtimeTop - height) / 2;
+                    break;
+
+                case Align.CenterLeft:
+                    x = graphX + runtimeLeft;
+                    y = graphY + runtimeBottom + (graphHeight - runtimeBottom - runtimeTop - height) / 2;
+                    break;
+
+                case Align.CenterRight:
+                    x = graphX + graphWidth - runtimeRight - width;
+                    y = graphY + runtimeBottom + (graphHeight - runtimeBottom - runtimeTop - height) / 2;
+                    break;
+
+                case Align.TopCenter:
+                    x = graphX + runtimeLeft + (graphWidth - runtimeLeft - runtimeRight - width) / 2;
+                    y = graphY + graphHeight - runtimeTop - height;
+                    break;
+
+                case Align.TopLeft:
+                    x = graphX + runtimeLeft;
+                    y = graphY + graphHeight - runtimeTop - height;
+                    break;
+
+                case Align.TopRight:
+                    x = graphX + graphWidth - runtimeRight - width;
+                    y = graphY + graphHeight - runtimeTop - height;
+                    break;
+
+                default:
+                    return new Rect(0, 0, 0, 0);
+            }
+            return new Rect(x, y, width, height);
+        }
+
+
         /// <summary>
         /// 属性变更时更新textAnchor,minAnchor,maxAnchor,pivot
         /// </summary>

Runtime/Internal/Utilities/ChartHelper.cs

@@ -791,6 +791,14 @@ namespace XCharts.Runtime
             return mod == 0 ? value : (value < 0 ? rate : rate + 1) * ceilRate;
         }
 
+        public static float GetMaxCeilRate(float value, float ceilRate)
+        {
+            if (ceilRate == 0) return value;
+            var mod = value % ceilRate;
+            int rate = (int)(value / ceilRate);
+            return mod == 0 ? value : (value < 0 ? rate : rate + 1) * ceilRate;
+        }
+
         public static double GetMinCeilRate(double value, double ceilRate)
         {
             if (ceilRate == 0) return value;
@@ -799,6 +807,14 @@ namespace XCharts.Runtime
             return mod == 0 ? value : (value < 0 ? rate - 1 : rate) * ceilRate;
         }
 
+        public static float GetMinCeilRate(float value, float ceilRate)
+        {
+            if (ceilRate == 0) return value;
+            var mod = value % ceilRate;
+            int rate = (int)(value / ceilRate);
+            return mod == 0 ? value : (value < 0 ? rate - 1 : rate) * ceilRate;
+        }
+
         public static double GetMinDivisibleValue(double min, double ceilRate)
         {
             if (min == 0) return 0;

Runtime/Internal/Utilities/UIHelper.cs

@@ -11,7 +11,7 @@ namespace XCharts.Runtime
     /// </summary>
     public static class UIHelper
     {
-        internal static void DrawBackground(VertexHelper vh, UIComponent component)
+        public static void DrawBackground(VertexHelper vh, UIComponent component)
         {
             var background = component.background;
             var rect = component.graphRect;
@@ -34,10 +34,19 @@ namespace XCharts.Runtime
             if (background.image != null)
                 return;
             var backgroundColor = component.theme.GetBackgroundColor(background);
+            DrawBackground(vh, background, backgroundColor);
+        }
+
+        public static void DrawBackground(VertexHelper vh, Background background, Color32 color)
+        {
+            if (!background.show)
+                return;
+            if (background.image != null)
+                return;
             var borderWidth = background.borderStyle.GetRuntimeBorderWidth();
             var borderColor = background.borderStyle.GetRuntimeBorderColor();
             var cornerRadius = background.borderStyle.GetRuntimeCornerRadius();
-            UGL.DrawRoundRectangleWithBorder(vh, background.rect, backgroundColor, backgroundColor, cornerRadius,
+            UGL.DrawRoundRectangleWithBorder(vh, background.rect, color, color, cornerRadius,
                 borderWidth, borderColor);
         }