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docs/03.reference/01.functions/imagegetiptcmetadata/function.md
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docs/03.reference/01.functions/imagesetbackgroundcolor/function.md
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--- | ||
title: ImageSetBackgroundColor | ||
id: function-imagesetbackgroundcolor | ||
related: | ||
categories: | ||
- image | ||
- image | ||
--- | ||
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Sets the background color for the image. | ||
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The background color is used for clearing a region. | ||
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Setting the background color only affects the subsequent ImageClearRect calls | ||
Setting the background color only affects the subsequent [[function-ImageClearRect]] calls |
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Prior to Lucee 6, empty values would be auto cast to nulls, Since Lucee 6 only strings behave this way [LDEV-4410](https://luceeserver.atlassian.net/browse/LDEV-4410) | ||
Prior to Lucee 6, an empty value would be auto cast to null, since Lucee 6 only strings are handled this way [LDEV-4410](https://luceeserver.atlassian.net/browse/LDEV-4410) | ||
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In Lucee 6, this is no longer the default behavior and throws an exception, which matches ACF. | ||
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You can re-enable the old behavior by setting this environment variable or system property to `true`. | ||
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**Environment Variable:** `LUCEE_QUERY_ALLOWEMPTYASNULL=TRUE` | ||
**System Property:** `-Dlucee.query.allowemptyasnull="true"` |
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