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-rw-r--r--html/en/func/filled.html7
1 files changed, 4 insertions, 3 deletions
diff --git a/html/en/func/filled.html b/html/en/func/filled.html
index 036f015..447bf9a 100644
--- a/html/en/func/filled.html
+++ b/html/en/func/filled.html
@@ -114,9 +114,10 @@ canvas:wChord(xc, yc, w, h, angle1, angle2: number) (WC) [in Lua]</pre>
canvas:BackOpacity(opacity: number) -&gt; (old_opacity: number) [in Lua]</pre>
<p>Configures the background opacity to filling primitives based on the
- foreground and background colors. Values: <font><b>
+ foreground and background colors. Note that only when InteriorStyle is <b>
+ CD_HATCH</b> or <b>CD_STIPPLE</b> that backopacity is used. Values: <font><b>
CD_TRANSPARENT</b></font> or <b>CD_OPAQUE</b>. If it is opaque
- the primitive will erase whatever is in background with the background color.
+ the primitive will erase whatever is in the background with the background color.
If it is transparent, only the foreground color is painted. It returns the previous value. Default value: <b>
CD_TRANSPARENT</b>. Value <b><b>CD_QUERY</b> </b>simply returns the
current value. In some drivers is always opaque.</p>
@@ -140,7 +141,7 @@ canvas:InteriorStyle(style: number) -&gt; (old_style: number) [in Lua]</pre>
<p>Configures the current style for the area filling primitives: <b>
CD_SOLID</b>, <strong><b>CD_HOLLOW</b></strong>, <b>CD_HATCH</b>,
- <b>CD_STIPPLE</b> or <b>CD_PATTERN</b>. Note that <b>
+ <b>CD_STIPPLE</b> or <b>CD_PATTERN</b>. Note that only <b>
CD_HATCH</b> and <b>CD_STIPPLE</b> are affected by the backopacity. It returns the previous value. Default value: <b>CD_SOLID</b>. Value
<b><b>CD_QUERY</b> </b>simply returns the
current value.</p>