paweld/lazarus
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/lazarus/lazarus.git synced 2025-08-24 04:29:40 +02:00
Code Issues Packages Projects Releases Wiki Activity

Docs: LCL/graphics. Corrects content in the TRasterImage.SetTransparent topic. Depends on e32e344c.

Browse Source
This commit is contained in:
dsiders 2025-07-10 01:13:22 -04:00
parent 556e633850
commit a25a8c1697
1 changed files with 13 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
docs/xml/lcl/graphics.xml
View File

@ -11944,9 +11944,16 @@ Sets the value for the Transparent property.
</short>
<descr>
<p>
SetTransparent ensures that both the Masked property and the alpha channel in
the raw image data are considered when updating the value in the Transparent
property. GetTransparent is called to retrieve the existing property value.
<var>SetTransparent</var> ensures that the image in <var>Mask</var> is
considered when updating the value in the <var>Transparent</var> property. The
Mask is a black &amp; white (1-bit-depth) image to identify the pixels which
are skipped when the image is painted and thus should appear transparent. Note
that this applies only for images having no alpha channel; when an alpha
channel is present, no Mask is required since the transparency is defined by
the alpha channel itself.
</p>
<p>
GetTransparent is called to retrieve the existing property value.
</p>
<p>
No actions are performed in the method if the existing property value is the
@ -11963,7 +11970,9 @@ Modified in LCL version 4.2 to call the ApplyTransparent method.
</seealso>
</element>
<element name="TRasterImage.SetTransparent.AValue">
<short>New value for the property.</short>
<short>
New value for the property.
</short>
</element>
<element name="TRasterImage.UnshareImage">