| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| package spark.skins.spark |
| { |
| |
| import flash.display.Bitmap; |
| import flash.display.BitmapData; |
| import flash.display.DisplayObject; |
| import flash.display.IBitmapDrawable; |
| import flash.events.Event; |
| import flash.filters.GlowFilter; |
| import flash.geom.ColorTransform; |
| import flash.geom.Matrix; |
| import flash.geom.Matrix3D; |
| import flash.geom.Point; |
| import flash.geom.Rectangle; |
| |
| import mx.core.UIComponent; |
| import mx.core.mx_internal; |
| import mx.events.FlexEvent; |
| |
| import spark.components.supportClasses.Skin; |
| import spark.components.supportClasses.SkinnableComponent; |
| import spark.core.DisplayObjectSharingMode; |
| import spark.core.IGraphicElement; |
| |
| use namespace mx_internal; |
| |
| /** |
| * Defines the "glow" around Spark components when the component has focus. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @productversion Flex 4 |
| */ |
| public class FocusSkin extends HighlightBitmapCaptureSkin |
| { |
| include "../../core/Version.as"; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Class constants |
| // |
| //-------------------------------------------------------------------------- |
| |
| // Number to multiply focusThickness by to determine the blur value |
| private const BLUR_MULTIPLIER:Number = 2.5; |
| |
| // Number to multiply focusAlpha by to determine the filter alpha value |
| private const ALPHA_MULTIPLIER:Number = 1.5454; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Class variables |
| // |
| //-------------------------------------------------------------------------- |
| |
| private static var colorTransform:ColorTransform = new ColorTransform( |
| 1.01, 1.01, 1.01, 2); |
| private static var glowFilter:GlowFilter = new GlowFilter( |
| 0x70B2EE, 0.85, 5, 5, 3, 1, false, true); |
| private static var rect:Rectangle = new Rectangle();; |
| private static var filterPt:Point = new Point(); |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Constructor |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * Constructor. |
| */ |
| public function FocusSkin() |
| { |
| super(); |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Variables |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @inheritDoc |
| */ |
| override protected function get borderWeight() : Number |
| { |
| if (target) |
| return target.getStyle("focusThickness"); |
| |
| // No target, return default value |
| return getStyle("focusThickness"); |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Overridden methods |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @inheritDoc |
| */ |
| override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void |
| { |
| super.updateDisplayList(unscaledWidth, unscaledHeight); |
| |
| if (target) |
| blendMode = target.getStyle("focusBlendMode"); |
| } |
| |
| /** |
| * @private |
| */ |
| override protected function processBitmap() : void |
| { |
| // Apply the glow filter |
| rect.x = rect.y = 0; |
| rect.width = bitmap.width; |
| rect.height = bitmap.height; |
| // If the focusObject has an errorString, use "errorColor" instead of "focusColor" |
| if (target.errorString != null && target.errorString != "" && target.getStyle("showErrorSkin")) |
| { |
| glowFilter.color = target.getStyle("errorColor"); |
| } |
| else |
| { |
| glowFilter.color = target.getStyle("focusColor"); |
| } |
| glowFilter.blurX = glowFilter.blurY = borderWeight * BLUR_MULTIPLIER; |
| glowFilter.alpha = target.getStyle("focusAlpha") * ALPHA_MULTIPLIER; |
| |
| bitmap.bitmapData.applyFilter(bitmap.bitmapData, rect, filterPt, glowFilter); |
| } |
| } |
| } |