code simplified.

Author: syslogic

library/src/main/java/io/syslogic/colorpicker/AlphaPatternDrawable.java

@@ -60,12 +60,8 @@ public void setColorFilter(@Nullable ColorFilter cf) {
     @Override
     protected void onBoundsChange(@NonNull Rect bounds) {
         super.onBoundsChange(bounds);
-        int height = bounds.height();
-        int width = bounds.width();
-        //noinspection IntegerDivisionInFloatingPointContext
-        numRectanglesHorizontal = (int) Math.ceil(width / mRectangleSize);
-        //noinspection IntegerDivisionInFloatingPointContext
-        numRectanglesVertical = (int) Math.ceil(height / mRectangleSize);
+        numRectanglesHorizontal = bounds.width() / mRectangleSize;
+        numRectanglesVertical = bounds.height() / mRectangleSize;
         generatePatternBitmap();
     }
 

library/src/main/java/io/syslogic/colorpicker/ColorPickerView.java

@@ -27,7 +27,6 @@
 
 /**
  * The Color-Picker {@link View} (refactored version).
- *
  * It displays a color picker to the user and allow them to select a color.
  * the slider for the alpha-channel can be enabled setAlphaSliderVisible(true).
  *
@@ -190,7 +189,7 @@ private int[] getHueColors() {
     }
 
     @Override
-    protected void onDraw(Canvas canvas) {
+    protected void onDraw(@NonNull Canvas canvas) {
         if (mDrawingRect.width() <= 0 || mDrawingRect.height() <= 0) {
             return;
         }