RFR: 8211294: ScrollPane content is blurry with 125% scaling [v6]

[Frederic Thevenet]

On Mon, 4 Jan 2021 17:04:41 GMT, Ambarish Rapte <arapte at openjdk.org> wrote:

> 
> 
> Apologies for delay on this review, Change looks good but I did observe an issue with layout of TabPane header area when the header is set to be shown on Left or Right side. The last tab-header's border seems to be clipped.
> Please check the code below. This is a very specific scenario, If tab's label is changed from "Tab" to "tab" then the issue does not occur. I did not observe any other such scenarios yet.
> 
> ```
> import javafx.application.Application;
> import javafx.scene.Scene;
> import javafx.scene.control.TabPane;
> import javafx.scene.control.Tab;
> import javafx.stage.Stage;
> import javafx.geometry.Side;
> 
> public class TabPaneExample extends Application {
>     public static void main(String[] args) {
>         launch(args);
>     }
> 
>     public void start(Stage primaryStage) {
>         Tab tab0 = new Tab("Tab 0");
>         Tab tab1 = new Tab("Tab 1");
> 	Tab tab2 = new Tab("Tab 2");
> 	TabPane tabPane = new TabPane();
>         tabPane.getTabs().addAll(tab0, tab1, tab2);
> 	tabPane.setSide(Side.LEFT);
> 
>         Scene scene = new Scene(tabPane);
>         primaryStage.setScene(scene);
>         primaryStage.show();
>     }
> }
> ```
> 
> ![with fix](https://user-images.githubusercontent.com/11330676/103559181-bd8ef880-4edb-11eb-8b87-cc6b0045b366.png) | ![without fix](https://user-images.githubusercontent.com/11330676/103559271-deefe480-4edb-11eb-99eb-fbc354d070fe.png)
> Output with this fix. | Output without this fix.
> 
> Edit: Also, please note the difference of space between letter `a` and `b` in Tab's label.

At which screen scale did you observe this?

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PR: https://git.openjdk.java.net/jfx/pull/308