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Docs: LCL/graphics. Adds, updates topics for changes in f9cc0dca. Issue #41642.

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* TGradientDirection
* gdVertical
* gdHorizontal
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dsiders 2025-05-15 20:15:49 -04:00
parent f9cc0dca29
commit 5d97a5e529
1 changed files with 71 additions and 5 deletions
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docs/xml/lcl/graphics.xml
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@ -7293,15 +7293,81 @@ operation.
</element>
<element name="TGradientDirection">
<short>Represents fill directions for gradients.</short>
<descr/>
<seealso/>
<short>
Represents the fill directions used for gradient fills.
</short>
<descr>
<p>
<var>TGradientDirection</var> is an enumerated type with values that control
the fill direction used for a gradient color fill. It is an alias to the
TFPGradientDirection type defined in the FCL (<file>fpcanvas.pp</file>) for
compiler versions starting with 3.3.1. Separate constant aliases are defined
for the gdVertical and gdHorizontal values for these compiler versions.
</p>
<p>
Previous FPC versions define the enumeration values in this unit.
</p>
<p>
TGradientDirection is the type used for the argument passed to the
<var>TCanvas.GradientFill</var> method which controls the fill direction or
orientation for the colors used to fill a rectangular region on the canvas.
</p>
</descr>
<version>
Modified in LCL version 4.2 to be an alias to the TFPGradientDirection type
defined in the FCL for FPC compiler versions 3.3.1 and higher.
</version>
<seealso>
<link id="TCanvas.GradientFill"/>
<!--
not currently documented in FCL
<link id="#fcl.fpcanvas.TFPGradientDirection"/>
<link id="#fcl.fpcanvas.gdVertical"/>
<link id="#fcl.fpcanvas.gdHorizontal"/>
-->
</seealso>
</element>
<element name="TGradientDirection.gdVertical">
<short>Gradient fill direction is vertically oriented.</short>
<short>
Gradient fill direction is vertically oriented.
</short>
</element>
<element name="TGradientDirection.gdHorizontal">
<short>Gradient fill direction is horizontally oriented.</short>
<short>
Gradient fill direction is horizontally oriented.
</short>
</element>
<element name="gdVertical">
<short>
Alias to the gdVertical constant defined in FCL.
</short>
<descr>
<p>
Defined for FPC compiler version 3.3.1 and higher.
</p>
</descr>
<seealso>
<link id="gdHorizontal"/>
<link id="TGradientDirection"/>
<link id="TCanvas.GradientFill"/>
</seealso>
</element>
<element name="gdHorizontal">
<short>
Alias to the gdHorizontal constant defined in FCL.
</short>
<descr>
<p>
Defined for FPC compiler version 3.3.1 and higher.
</p>
</descr>
<seealso>
<link id="gdVertical"/>
<link id="TGradientDirection"/>
<link id="TCanvas.GradientFill"/>
</seealso>
</element>
<element name="TAntialiasingMode">