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-rw-r--r--doc/classes/Image.xml4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/classes/Image.xml b/doc/classes/Image.xml
index 5472ffe4da..d2baf78a9e 100644
--- a/doc/classes/Image.xml
+++ b/doc/classes/Image.xml
@@ -385,12 +385,16 @@
<argument index="0" name="path" type="String" />
<argument index="1" name="quality" type="float" default="0.75" />
<description>
+ Saves the image as a JPEG file to [code]path[/code] with the specified [code]quality[/code] between [code]0.01[/code] and [code]1.0[/code] (inclusive). Higher [code]quality[/code] values result in better-looking output at the cost of larger file sizes. Recommended [code]quality[/code] values are between [code]0.75[/code] and [code]0.90[/code]. Even at quality [code]1.00[/code], JPEG compression remains lossy.
+ [b]Note:[/b] JPEG does not save an alpha channel. If the [Image] contains an alpha channel, the image will still be saved, but the resulting JPEG file won't contain the alpha channel.
</description>
</method>
<method name="save_jpg_to_buffer" qualifiers="const">
<return type="PackedByteArray" />
<argument index="0" name="quality" type="float" default="0.75" />
<description>
+ Saves the image as a JPEG file to a byte array with the specified [code]quality[/code] between [code]0.01[/code] and [code]1.0[/code] (inclusive). Higher [code]quality[/code] values result in better-looking output at the cost of larger byte array sizes (and therefore memory usage). Recommended [code]quality[/code] values are between [code]0.75[/code] and [code]0.90[/code]. Even at quality [code]1.00[/code], JPEG compression remains lossy.
+ [b]Note:[/b] JPEG does not save an alpha channel. If the [Image] contains an alpha channel, the image will still be saved, but the resulting byte array won't contain the alpha channel.
</description>
</method>
<method name="save_png" qualifiers="const">