Re: GooCanvas : Clipboard copy

[Damon Chaplin <damon karuna eclipse co uk>]

On Sun, 2008-11-30 at 20:04 +0100, Dupuit Cyril wrote:
> Hi,
> 
> I am using GooCanvas for an application that uses clipboard copy. I have
> found a code that copy the canvas directly to the clipboard (I am sorry,
> I have lost the original link to the writer of this code...).
> 
> This code doesn't show the real canvas content. I think that all colors
> are drawn on a black sheet (the black text coming from the canvas is
> merged with the black backgound on the clipboard).
> 
> Let me show you your example.
> 
> First (a screenshot of widgets-demo.jpg).
> 
> And the modified example.
> 
> When I copy the image to the clipboard, I have the following
> (widgets-demo-clipboard.jpg).
> 
> The code is the following :


> 	surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
> (int)right, (int)bottom);
> 
> 	cr = cairo_create(surface);
> 
> 	cairo_rectangle(cr, left, top, (int)right, (int)bottom);
> #if 0
> 	cairo_set_source_rgb(cr, 255.0, 255.0, 255.0);
> #endif
> 	cairo_fill(cr);
> 
> 	goo_canvas_render((GooCanvas *)canvas, cr, NULL, 1.0);

That actually works for me, with the cairo_set_source_rgb() line.
Note that white is 1.0, 1.0, 1.0, but that won't affect this:
http://library.gnome.org/devel/cairo/stable/cairo-context.html#cairo-set-source-rgb

Also cairo_rectangle() takes x, y, width & height arguments:
http://library.gnome.org/devel/cairo/stable/cairo-paths.html#cairo-rectangle

Can you try it again?

Damon