Use Slider to control the image width, height and alpha

           

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">

    <mx:VBox x="0" y="0" height="100%" horizontalAlign="center">
        <mx:ComboBox id="imageUrl">
            <mx:Array>
                <mx:Object label="A" data="a.jpg" />
                <mx:Object label="B" data="logo.jpg" />
            </mx:Array>
        </mx:ComboBox>

        <mx:Canvas width="160" height="120">
            <mx:Image id="image"  alpha="0"
                maintainAspectRatio="false" />
        </mx:Canvas>

        <mx:Label text="Alpha"/>
        <mx:HSlider id="imageAlpha" minimum="0" maximum="1" value="1" liveDragging="true" />
        <mx:Label text="Width"/>
        <mx:HSlider id="imageWidth" minimum="0" maximum="160" value="60" liveDragging="true" />
        <mx:Label text="Height"/>
        <mx:HSlider id="imageHeight" minimum="0" maximum="120" value="20" liveDragging="true" />
    </mx:VBox>
    <mx:Binding source="imageAlpha.value" destination="image.alpha" />
    <mx:Binding source="imageWidth.value" destination="image.width" />
    <mx:Binding source="imageHeight.value" destination="image.height" />
    <mx:Binding source="imageUrl.value" destination="image.source" />
</mx:Application>

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3.	Set tick interval value for horizontal slider
4.	Set value for horizontal slider
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16.	Bind slider value to a Text control
17.	change event for HSlider
18.	Slider values property is a two-element array that contains the current value of the thumbs
19.	Get thumb index for two-thumb slider
20.	Bind Slider value to a Label
21.	Set minimum, maximum, tickInterval, snapInterval and Labels for Slider
22.	Rotating Fonts With Slider
23.	change width with slider
24.	Use Slider to control the width and height of ConstraintColumn
25.	Use Slider to control the background color for a Box
26.	Set Slider tip function
27.	Show a horizontal slider and a vertical slider with different properties set.
28.	HSlider Binding
29.	HSlider Event
30.	HSlider Data Tip
31.	Set alpha of DisplayObject when you move the slider
32.	Specify an offset used when adding a data child to the canvas for the labels with an HSlider control.
33.	Use Slider to change vertical Scroll Position
34.	Use dataTipFormatFunction to format the data tip text
35.	Invoke adjustThumb() method when the user clicks the button
36.	Bind Panel width to HSlider

Use Slider to control the image width, height and alpha : Slider « Components « Flex

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