Figure 21-14 shows the result of running this example on the JavaFX desktop platform in Java

Drawer QR Code in Java Figure 21-14 shows the result of running this example on the JavaFX desktop platform
Figure 21-14 shows the result of running this example on the JavaFX desktop platform
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Figure 21-14
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A JavaFX application with an embedded font file
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However, you get a different result on the mobile platform, as shown in Figure 21-15
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Figure 21-15
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An application with an embedded font on the mobile platform
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As you can see, the embedded font has been ignoredThe mobile platform does not support embedded fonts, because the underlying J2ME platform has no support for them
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21 Importing Graphics
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In fact, mobile devices generally have a very limited set of fonts, so you generally should not expect your font selections to be honored on the mobile platform
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Embedding Images
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If your artwork contains embedded bitmap images, those images are automatically exported into the FXZ archive and a reference to the exported image file is planted in the FXD fileThe artwork file GraphicsWithImageai contains a graphics that consists of some text drawn over an image, as shown in Figure 21-16
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Figure 21-16
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Artwork with an embedded image
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When this artwork is exported, the FXZ archive contains the embedded image as well as the contentfxd file, as shown in Figure 21-17 As you can see, the image filename is based on the name given to the element in Adobe Illustrator, and the code in the FXD file contains an object initializer for an ImageView instance that refers to the embedded file
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Figure 21-17
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An FXZ archive with an embedded image
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Using Adobe Illustrator and Photoshop Graphics
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Here s the (by now familiar) code required to load this artwork, which you will also find in the file javafximport/GraphicsWithImageExamplefx:
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Stage { title: "Graphics With Image" scene: Scene { content: [ FXDLoaderload("{__DIR__}GraphicsWithImagefxz") ] } }
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Using a Stub Node
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So far, we have loaded artwork from an FXZ archive by using the FXDLoader and FXDContent classesAlthough this is quite simple, it can sometimes require a little more code than you would ideally want to write in what is intended to be primarily a declarative language For example, suppose you wanted to load the artwork from the Banner1ai file but change the fill color of the text from white to yellowThe code in Listing 21-5, which you ll find in the file javafximport/BannerExample6fx, shows how this can be done
Listing 21-5
1 2 3 4 5 6 7 8 9 10 11 12 13
Changing the Fill Color of Part of an Imported Graphic
var url = "{__DIR__}Banner1fxz"; var content = FXDLoaderloadContent(url); var javafxTextNode = contentgetShape("JavaFXTextNode"); javafxTextNodefill = ColorYELLOW; Stage { title: "Banner Example #6" scene: Scene { content: [ content_root ] } }
As you can see, it takes four lines of code to retrieve the scene graph from the FXZ file and change the fill color of the first line of textThis isn t too bad, but there is another way to do this that provides a more declarative solution, which is to generate a class that transparently loads content from the FXZ file and which can be used as a node in the scene graphWhen you add an instance of this node to the scene graph, it has the
21 Importing Graphics
same effect as if you had added the root node from the FXDContent object in the code shown above Generating and Using a UI Stub Class To generate the UI Stub class for this example, right-click the Banner1fxz file in the NetBeans IDE and select Generate UI StubThis opens a dialog that lets you choose where to put the code for the generated class If you accept the default, it will be placed in a file called Banner1UIfx in the same directory as the rest of the example code for this chapter Listing 21-6 shows what the generated file contains
Listing 21-6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 31 32 33
A generated UI Stub Class
package javafximport; import javalang*; import javafxsceneNode; import javafxfxdFXDNode; public class Banner1UI extends FXDNode { override public var url = "{__DIR__}Banner1fxz"; public-read public-read public-read public-read public-read protected protected protected protected protected var var var var var Background: Node; BackgroundNode: Node; DeveloperTextNode: Node; JavaFXText: Node; JavaFXTextNode: Node;
override protected function contentLoaded() : Void { Background=getNode("Background"); BackgroundNode=getNode("BackgroundNode"); DeveloperTextNode=getNode("DeveloperTextNode"); JavaFXText=getNode("JavaFXText"); JavaFXTextNode=getNode("JavaFXTextNode"); } /** * Check if some element with given id exists and write * a warning if the element could not be found * The whole method can be removed if such warning is not * required */ protected override function getObject( id:String) : Object { var obj = supergetObject(id); if ( obj == null) { Systemerrprintln("WARNING: Element with id {id} not in {url}");