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Make FontData key in map immutable #1994

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Merged
merged 1 commit into from
Apr 10, 2025
Merged

Make FontData key in map immutable #1994

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3 changes: 2 additions & 1 deletion ...es/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/internal/DefaultSWTFontRegistry.java
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,8 @@ public Font getFont(FontData fontData, int zoom) {
}

private Font registerFont(FontData fontData, Font font) {
fontsMap.put(fontData, font);
FontData clonedFontData = new FontData(fontData.toString());
fontsMap.put(clonedFontData, font);
return font;
}

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5 changes: 3 additions & 2 deletions ...es/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/internal/ScalingSWTFontRegistry.java
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Expand Up @@ -130,8 +130,9 @@ public Font getFont(FontData fontData, int zoom) {
if (customFontsKeyMap.containsKey(fontData)) {
container = customFontsKeyMap.get(fontData);
} else {
container = new ScaledCustomFontContainer(fontData);
customFontsKeyMap.put(fontData, container);
FontData clonedFontData = new FontData(fontData.toString());
container = new ScaledCustomFontContainer(clonedFontData);
customFontsKeyMap.put(clonedFontData, container);
}
return container.getScaledFont(zoom);
}
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1 change: 1 addition & 0 deletions ...tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_graphics_FontData.java
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Expand Up @@ -45,6 +45,7 @@ public void test_ConstructorLjava_lang_String() {
FontData fd = new FontData(SwtTestUtil.testFontName, 10, SWT.NORMAL);
FontData reconstructedFontData = new FontData(fd.toString());
assertEquals(fd, reconstructedFontData);
assertEquals(fd.hashCode(), reconstructedFontData.hashCode());
}

@Test
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