[Win32] Update JavaDoc in GC.setXORMode() regarding limitation with GDI+ #3006
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Enabling advanced mode causes SWT to switch from GDI to the GDI+. With GDI+, certain features, such as XOR, are not supported. This limitation should be documented. Closes eclipse-platform#2984
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HeikoKlare
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Jan 24, 2026
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HeikoKlare
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HeikoKlare
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Thank you for adding this explanation to the Javadoc. It makes sense to have this limited functionality documented.
| * puts the receiver in a drawing mode where the destination color | ||
| * is replaced with the source color value. | ||
| * <p> | ||
| * <b>IMPORTANT:</b> GDI+ has no direct support for raster |
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The Javadoc of SWT API needs to be the same for every OS (as it is or at least can be consumed in an OS-agnostic way). So this extension needs to be applied to the GTK and Cocoa implementations of GC as well.
To make such a comment reasonable in an OS-agnostic way, it should start with an according statement, such as: "This operation may not work on every platform. Especially on Windows, GDI+ has no direct support [...]".
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Enabling advanced mode causes SWT to switch from GDI to the GDI+. With GDI+, certain features, such as XOR, are not supported. This limitation should be documented.
Closes #2984