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ToolTip: use anti-aliasing to render multi-line tooltips

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This commit is contained in:
Karl Tauber
2019-11-10 00:09:51 +01:00
parent c379f2f3b0
commit f69b3f56dd
3 changed files with 18 additions and 1 deletions
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2
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatToolTipUI.java
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@@ -81,7 +81,7 @@ public class FlatToolTipUI
boolean leftToRight = (comp != null ? comp : c).getComponentOrientation().isLeftToRight();
for( String line : lines ) {
y += lineHeight;
g.drawString( line, leftToRight ? x : x2 - SwingUtilities.computeStringWidth( fm, line ), y );
FlatUIUtils.drawString( c, g, line, leftToRight ? x : x2 - SwingUtilities.computeStringWidth( fm, line ), y );
}
} else
super.paint( g, c );

16
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatUIUtils.java
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@@ -256,6 +256,22 @@ public class FlatUIUtils
}
/**
* Draws the given string at the specified location using text properties
* and anti-aliasing hints from the provided component.
*
* Use this method instead of Graphics.drawString() for correct anti-aliasing.
*
* Replacement for SwingUtilities2.drawString()
*/
public static void drawString( JComponent c, Graphics g, String text, int x, int y ) {
JavaCompatibility.drawStringUnderlineCharAt( c, g, text, -1, x, y );
}
/**
* Draws the given string at the specified location underlining the specified
* character. The provided component is used to query text properties and
* anti-aliasing hints.
*
* Replacement for SwingUtilities2.drawStringUnderlineCharAt()
*/
public static void drawStringUnderlineCharAt( JComponent c, Graphics g,