Re: Line Numbers on Print

@marc

I have now added the following code (using your linked repository as a 
guide):

auto ConvertColorRefToColorAlpha = [](COLORREF color, uint8_t alpha = 255) 
-> uint32_t {
// Extract RGB components from the COLORREF value
const uint8_t red = GetRValue(color);
const uint8_t green = GetGValue(color);
const uint8_t blue = GetBValue(color);

// Combine into ARGB format
const uint32_t coloralpha = (alpha << 24) | (blue << 16) | (green << 8) | 
red;
return coloralpha;
};

// Retrieve the system highlight color
const auto highlightColor = 
ConvertColorRefToColorAlpha(::GetSysColor(COLOR_HIGHLIGHT));
// Retrieve the system highlight text color
const auto highlightTextColor = 
ConvertColorRefToColorAlpha(::GetSysColor(COLOR_HIGHLIGHTTEXT));

m_edit.SetSelectionLayer(Scintilla::Layer::UnderText);
m_edit.SetElementColour(Scintilla::Element::SelectionText, 
highlightTextColor);
m_edit.SetElementColour(Scintilla::Element::SelectionBack, highlightColor);
m_edit.SetElementColour(Scintilla::Element::SelectionAdditionalBack, 
highlightColor);
m_edit.SetElementColour(Scintilla::Element::SelectionSecondaryBack, 
highlightColor);
m_edit.SetElementColour(Scintilla::Element::SelectionInactiveBack, 
highlightColor);

This does appear better:

[image: editor.png]

But, I am still not sure about the way I have used highlightTextColor.

On Thursday 23 May 2024 at 16:49:50 UTC+1 [email protected] wrote:

> According to the docs:
>
> SCI_FORMATRANGE can be used to draw the text onto a display surface which 
> can include a printer display surface. Printed output shows text styling as 
> on the screen, but it hides all margins except a line number margin. 
> Markers do not appear in a margin but will change line background colour. 
> The selection and caret are hidden.
>
>
> Is there a reason that you can't (optionally) hide the line numbers? I 
> couldn't see any setting that would suppress those.
>
> Tom Doan
> ---
> Estima
> 2717 Harrison St
> Evanston, IL 60201
> USA
>   
>

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