Flex Examples » brightness http://blog.flexexamples.com Just a bunch of Adobe Flex Examples Wed, 26 Jan 2011 18:09:51 +0000 en hourly 1 Converting colors from HSB to RGB format in Flex 4 http://blog.flexexamples.com/2009/10/17/converting-colors-from-hsb-to-rgb-format-in-flex-4/ http://blog.flexexamples.com/2009/10/17/converting-colors-from-hsb-to-rgb-format-in-flex-4/#comments Sun, 18 Oct 2009 06:59:51 +0000 Peter deHaan http://blog.flexexamples.com/?p=2036 The following example shows how you can convert a color from it’s HSB (Hue/Saturation/Brightness) format to standard RGB (Red/Green/Blue) format using the static HSBColor.convertHSBtoRGB() method.

Full code after the jump.

<?xml version="1.0" encoding="utf-8"?> <!-- http://blog.flexexamples.com/2009/10/17/converting-colors-from-hsb-to-rgb-format-in-flex-4/ --> <s:Application name="Spark_HSBColor_convertHSBtoRGB_test" xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/halo"> <s:controlBarContent> <mx:Form> <mx:FormItem label="hue:"> <s:HSlider id="hueSl" minimum="0" maximum="360" valueCommit="setColor();" /> </mx:FormItem> <mx:FormItem label="saturation:"> [...]]]> The following example shows how you can convert a color from it’s HSB (Hue/Saturation/Brightness) format to standard RGB (Red/Green/Blue) format using the static HSBColor.convertHSBtoRGB() method.

Full code after the jump.

The following example(s) require Flash Player 10 and the Adobe Flex 4 SDK. To download the Adobe Flash Builder 4 trial, see http://www.adobe.com/products/flex/. To download the latest nightly build of the Flex 4 SDK, see http://opensource.adobe.com/wiki/display/flexsdk/Download+Flex+4.
For more information on getting started with Flex 4 and Flash Builder 4, see the official Adobe Flex Team blog.

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2009/10/17/converting-colors-from-hsb-to-rgb-format-in-flex-4/ -->
<s:Application name="Spark_HSBColor_convertHSBtoRGB_test"
        xmlns:fx="http://ns.adobe.com/mxml/2009"
        xmlns:s="library://ns.adobe.com/flex/spark"
        xmlns:mx="library://ns.adobe.com/flex/halo">
    <s:controlBarContent>
        <mx:Form>
            <mx:FormItem label="hue:">
                <s:HSlider id="hueSl"
                        minimum="0"
                        maximum="360"
                        valueCommit="setColor();" />
            </mx:FormItem>
            <mx:FormItem label="saturation:">
                <s:HSlider id="saturationSl"
                        minimum="0.0"
                        maximum="1.0"
                        value="1.0"
                        snapInterval="0.01"
                        stepSize="0.01"
                        valueCommit="setColor();" />
            </mx:FormItem>
            <mx:FormItem label="brightness:">
                <s:HSlider id="brightnessSl"
                        minimum="0.0"
                        maximum="1.0"
                        value="1.0"
                        snapInterval="0.01"
                        stepSize="0.01"
                        valueCommit="setColor();" />
            </mx:FormItem>
        </mx:Form>
    </s:controlBarContent>
 
    <fx:Script>
        <![CDATA[
            import mx.utils.HSBColor;
 
            private function setColor():void {
                brdr.setStyle("backgroundColor", rgbColor);
            }
 
            protected function formatRGB(value:uint):String {
                var str:String = String("000000" + value.toString(16)).substr(-6);
                return "#" + str.toUpperCase();
            }
        ]]>
    </fx:Script>
 
    <fx:Declarations>
        <fx:uint id="rgbColor">{HSBColor.convertHSBtoRGB(hueSl.value, saturationSl.value, brightnessSl.value)}</fx:uint>
    </fx:Declarations>
 
    <s:Border id="brdr"
            left="20" right="20" top="20" bottom="20">
        <s:Label id="lbl"
                text="{formatRGB(rgbColor)}"
                fontSize="96"
                blendMode="invert"
                horizontalCenter="0" verticalCenter="0" />
    </s:Border>
 
</s:Application>

This entry is based on a beta version of the Flex 4 SDK and therefore is very likely to change as development of the Flex SDK continues. The API can (and will) change causing examples to possibly not compile in newer versions of the Flex 4 SDK.

 
]]> http://blog.flexexamples.com/2009/10/17/converting-colors-from-hsb-to-rgb-format-in-flex-4/feed/ 1 Modifying a color’s saturation in Flex 4 http://blog.flexexamples.com/2009/10/16/modifying-a-colors-saturation-in-flex-4/ http://blog.flexexamples.com/2009/10/16/modifying-a-colors-saturation-in-flex-4/#comments Sat, 17 Oct 2009 05:51:27 +0000 Peter deHaan http://blog.flexexamples.com/?p=2029 In a previous example, “Modifying a color’s brightness in Flex 4″, we saw how you could modify a color’s brightness in Flex 4 by using the static HSBColor.convertRGBtoHSB() and HSBColor.convertHSBtoRGB() methods and the brightness property.

The following example shows how you can modify a color’s saturation in Flex 4 by using the static HSBColor.convertRGBtoHSB() [...]]]> In a previous example, “Modifying a color’s brightness in Flex 4″, we saw how you could modify a color’s brightness in Flex 4 by using the static HSBColor.convertRGBtoHSB() and HSBColor.convertHSBtoRGB() methods and the brightness property.

The following example shows how you can modify a color’s saturation in Flex 4 by using the static HSBColor.convertRGBtoHSB() and HSBColor.convertHSBtoRGB() methods and the saturation property.

Full code after the jump.

The following example(s) require Flash Player 10 and the Adobe Flex 4 SDK. To download the Adobe Flash Builder 4 trial, see http://www.adobe.com/products/flex/. To download the latest nightly build of the Flex 4 SDK, see http://opensource.adobe.com/wiki/display/flexsdk/Download+Flex+4.
For more information on getting started with Flex 4 and Flash Builder 4, see the official Adobe Flex Team blog.

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2009/10/16/modifying-a-colors-saturation-in-flex-4/ -->
<s:Application name="Spark_HSBColor_saturation_test"
        xmlns:fx="http://ns.adobe.com/mxml/2009"
        xmlns:s="library://ns.adobe.com/flex/spark"
        xmlns:mx="library://ns.adobe.com/flex/halo"
        creationComplete="setSaturation();">
    <s:controlBarContent>
        <mx:Form backgroundAlpha="0.0" paddingTop="0" paddingBottom="0">
            <mx:FormItem label="color:">
                <mx:ColorPicker id="colorPicker"
                        selectedColor="red"
                        change="setSaturation();" />
            </mx:FormItem>
            <mx:FormItem label="saturation:">
                <s:HSlider id="slider"
                        minimum="0.0" maximum="1.0"
                        value="1.0"
                        snapInterval="0.01" stepSize="0.01"
                        valueCommit="setSaturation();" />
            </mx:FormItem>
        </mx:Form>
    </s:controlBarContent>
 
    <fx:Script>
        <![CDATA[
            import mx.utils.HSBColor;
 
            protected function modifySaturation(color:uint, saturation:Number):uint {
                var hsbColor:HSBColor = HSBColor.convertRGBtoHSB(color);
                hsbColor.saturation = saturation;
                return HSBColor.convertHSBtoRGB(hsbColor.hue, hsbColor.saturation, hsbColor.brightness);
            }
 
            protected function setSaturation():void {
                fillCol.color = modifySaturation(colorPicker.selectedColor, slider.value);
            }
 
            protected function formatRGB(value:uint):String {
                var str:String = String("000000" + value.toString(16)).substr(-6);
                return "#" + str.toUpperCase();
            }
        ]]>
    </fx:Script>
 
    <s:Rect id="rect"
            left="50" right="50" top="50" bottom="50">
        <s:fill>
            <s:SolidColor id="fillCol" />
        </s:fill>
    </s:Rect>
 
    <s:Label id="lbl"
            text="{formatRGB(fillCol.color)}"
            horizontalCenter="0" bottom="10" />
 
</s:Application>

This entry is based on a beta version of the Flex 4 SDK and therefore is very likely to change as development of the Flex SDK continues. The API can (and will) change causing examples to possibly not compile in newer versions of the Flex 4 SDK.

 
]]> http://blog.flexexamples.com/2009/10/16/modifying-a-colors-saturation-in-flex-4/feed/ 0 Modifying a color’s brightness in Flex 4 http://blog.flexexamples.com/2009/10/14/modifying-a-colors-brightness-in-flex-4/ http://blog.flexexamples.com/2009/10/14/modifying-a-colors-brightness-in-flex-4/#comments Thu, 15 Oct 2009 00:38:09 +0000 Peter deHaan http://blog.flexexamples.com/?p=2017 The following example shows how you can modify a color’s brightness in Flex 4 by using the static HSBColor.convertRGBtoHSB() and HSBColor.convertHSBtoRGB() methods and the brightness property.

Full code after the jump.

<?xml version="1.0" encoding="utf-8"?> <!-- http://blog.flexexamples.com/2009/10/14/modifying-a-colors-brightness-in-flex-4/ --> <s:Application name="Spark_HSBColor_convertHSBtoRGB_test" xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/halo" creationComplete="setBrightness();"> <s:controlBarContent> <mx:Form backgroundAlpha="0.0" paddingTop="0" paddingBottom="0"> <mx:FormItem label="color:"> <mx:ColorPicker id="colorPicker" selectedColor="red" change="setBrightness();" [...]]]> The following example shows how you can modify a color’s brightness in Flex 4 by using the static HSBColor.convertRGBtoHSB() and HSBColor.convertHSBtoRGB() methods and the brightness property.

Full code after the jump.

The following example(s) require Flash Player 10 and the Adobe Flex 4 SDK. To download the Adobe Flash Builder 4 trial, see http://www.adobe.com/products/flex/. To download the latest nightly build of the Flex 4 SDK, see http://opensource.adobe.com/wiki/display/flexsdk/Download+Flex+4.
For more information on getting started with Flex 4 and Flash Builder 4, see the official Adobe Flex Team blog.

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2009/10/14/modifying-a-colors-brightness-in-flex-4/ -->
<s:Application name="Spark_HSBColor_convertHSBtoRGB_test"
        xmlns:fx="http://ns.adobe.com/mxml/2009"
        xmlns:s="library://ns.adobe.com/flex/spark"
        xmlns:mx="library://ns.adobe.com/flex/halo"
        creationComplete="setBrightness();">
    <s:controlBarContent>
        <mx:Form backgroundAlpha="0.0" paddingTop="0" paddingBottom="0">
            <mx:FormItem label="color:">
                <mx:ColorPicker id="colorPicker"
                        selectedColor="red"
                        change="setBrightness();" />
            </mx:FormItem>
            <mx:FormItem label="brightness:">
                <s:HSlider id="slider"
                        minimum="0.0" maximum="1.0"
                        value="1.0"
                        snapInterval="0.01" stepSize="0.01"
                        valueCommit="setBrightness();" />
            </mx:FormItem>
        </mx:Form>
    </s:controlBarContent>
 
    <fx:Script>
        <![CDATA[
            import mx.utils.HSBColor;
 
            protected function modifyBrightness(color:uint, brightness:Number):uint {
                var hsbColor:HSBColor = HSBColor.convertRGBtoHSB(color);
                hsbColor.brightness = brightness;
                return HSBColor.convertHSBtoRGB(hsbColor.hue, hsbColor.saturation, hsbColor.brightness);
            }
 
            protected function setBrightness():void {
                fillCol.color = modifyBrightness(colorPicker.selectedColor, slider.value);
            }
 
            protected function formatRGB(value:uint):String {
                var str:String = String("000000" + value.toString(16)).substr(-6);
                return "#" + str.toUpperCase();
            }
        ]]>
    </fx:Script>
 
    <s:Rect id="rect"
            left="50" right="50" top="50" bottom="50">
        <s:fill>
            <s:SolidColor id="fillCol" />
        </s:fill>
    </s:Rect>
 
    <s:Label id="lbl"
            text="{formatRGB(fillCol.color)}"
            horizontalCenter="0" bottom="10" />
 
</s:Application>

View source is enabled in the following example.

This entry is based on a beta version of the Flex 4 SDK and therefore is very likely to change as development of the Flex SDK continues. The API can (and will) change causing examples to possibly not compile in newer versions of the Flex 4 SDK.

 
]]> http://blog.flexexamples.com/2009/10/14/modifying-a-colors-brightness-in-flex-4/feed/ 1