[PATCH weston 5/5] clients: Add simple draw client for testing pointer devices

[Pekka Paalanen]

On Wed,  9 May 2012 23:31:46 +0200
Jonas Ådahl <jadahl at gmail.com> wrote:

> Signed-off-by: Jonas Ådahl <jadahl at gmail.com>
> ---
>  clients/Makefile.am |    4 ++
>  clients/draw.c      |  197 +++++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 201 insertions(+)
>  create mode 100644 clients/draw.c
...
> +	/* Paint buffer */
> +	cairo_set_source_surface(cairo, draw->buffer,
> +				 allocation.x, allocation.y);
> +
> +	cairo_rectangle(cairo,
> +			allocation.x, allocation.y,
> +			allocation.width, allocation.height);
> +	cairo_clip(cairo);
> +	cairo_paint(cairo);
> +	cairo_reset_clip(cairo);
> +
> +	/* Draw line between current pointer position and last */
> +	if (draw->x != -1 && draw->y != -1) {
> +		if (draw->old_x != -1 && draw->old_y != -1) {
> +			cairo_set_line_width(cairo, 2.0);
> +			cairo_set_source_rgb(cairo, 0, 0, 0);
> +
> +			cairo_move_to(cairo, draw->old_x, draw->old_y);
> +			cairo_line_to(cairo, draw->x, draw->y);
> +			cairo_stroke(cairo);
> +		}
> +
> +		draw->old_x = draw->x;
> +		draw->old_y = draw->y;
> +	}
> +
> +	/* Copy new content to buffer */
> +	buffer_context = cairo_create(draw->buffer);
> +	cairo_set_source_surface(buffer_context, surface,
> +				 -allocation.x, -allocation.y);
> +	cairo_paint(buffer_context);

Hi,

I think it would be totally fine to just add these features into
clickdot. Draw and clickdot are very similar, right? It would fit the
purpose of clickdot.


Thanks,
pq