如何根据区域大小动态调整javafx中的svg

我对svg很感兴趣，并希望将其中的许多内容放入我的用户界面中。但是我对svg的大小有问题。我想加载任何svg作为参数，并动态调整大小的控件。我所发现的例子调整大小感谢“重新调整”的方法（如下面的文章中JavaFX: How to resize button containing svg image发现。如何根据区域大小动态调整javafx中的svg

但因为我没有原来的SVG的大小的想法，我不知道学以致用因素在重新调整方法，所以我的问题是我怎么泛型化下面的代码：

import javafx.application.Application; 
import javafx.geometry.Pos; 
import javafx.scene.Scene; 
import javafx.scene.control.Button; 
import javafx.scene.layout.HBox; 
import javafx.scene.shape.SVGPath; 
import javafx.stage.Stage; 

public class Main extends Application{ 
private final int MIN_BUTTON_SIZE = 10; 

public static void main(String[] args) { 
    launch(args); 
} 

@Override 
public void start(Stage primaryStage) throws Exception { 
    HBox root = new HBox(); 
    root.setAlignment(Pos.CENTER); 
    SVGPath svg = new SVGPath(); 
    svg.setContent("M87.5,50.002C87.5,29.293,70.712,12.5,50,12.5c-20.712,0-37.5,16.793-37.5,37.502C12.5,70.712,29.288,87.5,50,87.5" + 
      "c6.668,0,12.918-1.756,18.342-4.809c0.61-0.22,1.049-0.799,1.049-1.486c0-0.622-0.361-1.153-0.882-1.413l0.003-0.004l-6.529-4.002" + 
    "L61.98,75.79c-0.274-0.227-0.621-0.369-1.005-0.369c-0.238,0-0.461,0.056-0.663,0.149l-0.014-0.012" + 
    "C57.115,76.847,53.64,77.561,50,77.561c-15.199,0-27.56-12.362-27.56-27.559c0-15.195,12.362-27.562,27.56-27.562" + 
    "c14.322,0,26.121,10.984,27.434,24.967C77.428,57.419,73.059,63,69.631,63c-1.847,0-3.254-1.23-3.254-3.957" + 
    "c0-0.527,0.176-1.672,0.264-2.111l4.163-19.918l-0.018,0c0.012-0.071,0.042-0.136,0.042-0.21c0-0.734-0.596-1.33-1.33-1.33h-7.23" + 
    "c-0.657,0-1.178,0.485-1.286,1.112l-0.025-0.001l-0.737,3.549c-1.847-3.342-5.629-5.893-10.994-5.893" + 
    "c-10.202,0-19.877,9.764-19.877,21.549c0,8.531,5.101,14.775,13.632,14.775c4.75,0,9.587-2.727,12.665-7.035l0.088,0.527" + 
    "c0.615,3.342,9.843,7.576,15.121,7.576c7.651,0,16.617-5.156,16.617-19.932l-0.022-0.009C87.477,51.13,87.5,50.569,87.5,50.002z" + 
    "M56.615,56.844c-1.935,2.727-5.101,5.805-9.763,5.805c-4.486,0-7.212-3.166-7.212-7.738c0-6.422,5.013-12.754,12.049-12.754" + 
    "c3.958,0,6.245,2.551,7.124,4.486L56.615,56.844z"); 

    Button buttonWithGraphics = new Button(); 
    buttonWithGraphics.setGraphic(svg); 

    // Bind the Image scale property to the buttons size 
    svg.scaleXProperty().bind(buttonWithGraphics.widthProperty().divide(100)); 
    svg.scaleYProperty().bind(buttonWithGraphics.heightProperty().divide(100)); 

    // Declare a minimum size for the button 
    buttonWithGraphics.setMinSize(MIN_BUTTON_SIZE, MIN_BUTTON_SIZE); 

    root.getChildren().addAll(buttonWithGraphics); 
    root.layoutBoundsProperty().addListener((observableValue, oldBounds, newBounds) -> { 
      double size = Math.max(MIN_BUTTON_SIZE, Math.min(newBounds.getWidth(), newBounds.getHeight())); 
      buttonWithGraphics.setPrefSize(size, size); 
     } 
    ); 

    Scene scene = new Scene(root); 
    primaryStage.setScene(scene); 
    primaryStage.show(); 
}

我想这与以下几行链接：

svg.scaleXProperty().bind(buttonWithGraphics.widthProperty().divide(100));

来源

2016-04-14 AnthonyCFE

至少添加源代码到您的代码.. http://stackoverflow.com/questions/30702977/how-to-resize-button-containing-svg-image –

上述解决方案试图ŧ o动态地做，虽然（如你所说）没有做到原来的SvgPath大小。

我会建议做这样的：

double size = 30; 
svg.setScaleX(size/svg.boundsInLocalProperty().get().getWidth()); 
svg.setScaleY(size/svg.boundsInLocalProperty().get().getHeight());

这将扩展您的SvgPath到size。

来源

2016-09-02 14:00:44

如何根据区域大小动态调整javafx中的svg

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