Pango::layout background color

Desktop Ruby-Gnome 2
1

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2

Hi,

In [email protected]
“[ruby-gnome2-devel-en] pango::layout background color” on Tue, 16 Jan
2007 15:54:02 +0200,
Dobai-Pataky Bálint [email protected] wrote:

i finally generate a print preview for my treeviews.
i wanna set the background color of the columns’ headers. they are
pango::layouts.
if anyone know how to, please guide me.

Could you show us your sample script?

Thanks,

kou

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3

there is no sample yet:
text_cell = cr.create_pango_layout
text_cell.set_font_description(Pango::FontDescription.new(“sans 12”))
text_cell.set_text(‘test’)

i wanna set background for this pango layout, or something similar.
i wanted to place a pango rectangle there, to border the text, but it’s
not supported.

i might place a cairo rectange, but found no docs for it.

so i thought at least i should change the background of the pango
layout.

thanks

balint

4

Hi,

In [email protected]
“Re: [ruby-gnome2-devel-en] pango::layout background color” on Sun, 21
Jan 2007 00:17:34 +0900 (JST),
Kouhei S. [email protected] wrote:

y = …
w, h = text_cell.pixel_size
cr.rectangle(x, y, w, h)
cr.draw

I found a typo.

cr.draw

cr.stroke

Thanks,

kou

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5

Hi,

In [email protected]
“Re: [ruby-gnome2-devel-en] pango::layout background color” on Sat, 20
Jan 2007 00:06:21 +0200,
Dobai-Pataky B. [email protected] wrote:

there is no sample yet:
text_cell = cr.create_pango_layout
text_cell.set_font_description(Pango::FontDescription.new(“sans 12”))
text_cell.set_text(‘test’)

i wanna set background for this pango layout, or something similar.
i wanted to place a pango rectangle there, to border the text, but it’s not
supported.

x = …
y = …
w, h = text_cell.pixel_size
cr.rectangle(x, y, w, h)
cr.draw

Thanks,

kou

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6

Hi,

As far as I know, the documentation for rcairo is very light, however,
in the doc of ruby-gtk2, you have some samples that give a broad
aspect of rcairo. On my system, I have them under
/usr/share/doc/ruby-gtk2-0.14.1/sample/gtk-demo/cairo*

I hope that helps.

Alexis

PS: It seems I have two days’ lag on my mailer, forgive me if I appear
late…

On 1/22/07, Dobai-Pataky Bálint [email protected] wrote:

x = …

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7

Kouhei S. wrote:

y = …
w, h = text_cell.pixel_size
cr.rectangle(x, y, w, h)
cr.draw
cr.stroke

this works, draws a rectangle.
is there a way i can fill this rectangle with a color?

my first idea was to draw a bar with a light color.

Kou, can you please tell me where i can find the documentation for
rcairo?

thanks,

balint

8

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