Ejemplos de _cairo_xcb_shm_image_create en C++ (Cpp)

Ejemplo n.º 1

Archivo: cairo-xcb-surface.c Proyecto: csyuschmjuh/apl

cairo_surface_t *
_cairo_xcb_surface_create_similar_image (void			*abstract_other,
					 cairo_format_t		 format,
					 int			 width,
					 int			 height)
{
    cairo_xcb_surface_t *other = abstract_other;
    cairo_xcb_connection_t *connection = other->connection;

    cairo_xcb_shm_info_t *shm_info;
    cairo_image_surface_t *image;
    cairo_status_t status;
    pixman_format_code_t pixman_format;

    if (unlikely(width  > XLIB_COORD_MAX ||
		 height > XLIB_COORD_MAX ||
		 width  <= 0 ||
		 height <= 0))
	return NULL;

    pixman_format = _cairo_format_to_pixman_format_code (format);

    status = _cairo_xcb_shm_image_create (connection, pixman_format,
					  width, height, &image,
					  &shm_info);
    if (unlikely (status))
	return _cairo_surface_create_in_error (status);

    return &image->base;
}

Ejemplo n.º 2

Archivo: cairo-xcb-surface-core.c Proyecto: ghub/NVprSDK

static cairo_xcb_pixmap_t *
_render_to_pixmap (cairo_xcb_surface_t *target,
		   const cairo_pattern_t *pattern,
		   const cairo_rectangle_int_t *extents)
{
    cairo_image_surface_t *image;
    cairo_xcb_shm_info_t *shm_info;
    cairo_pattern_union_t copy;
    cairo_status_t status;
    cairo_xcb_pixmap_t *pixmap;

    status = _cairo_xcb_shm_image_create (target->screen->connection,
					  target->pixman_format,
					  extents->width, extents->height,
					  &image, &shm_info);
    if (unlikely (status))
	return (cairo_xcb_pixmap_t *) _cairo_surface_create_in_error (status);

    _cairo_pattern_init_static_copy (&copy.base, pattern);
    cairo_matrix_translate (&copy.base.matrix, -extents->x, -extents->y);
    status = _cairo_surface_paint (&image->base,
				   CAIRO_OPERATOR_SOURCE,
				   &copy.base,
				   NULL);
    if (unlikely (status)) {
	cairo_surface_destroy (&image->base);
	return (cairo_xcb_pixmap_t *) _cairo_surface_create_in_error (status);
    }

    pixmap = _pixmap_from_image (target, target->xrender_format, image, shm_info);
    cairo_surface_destroy (&image->base);

    if (unlikely (pixmap->base.status))
	return pixmap;

    pixmap->x0 = -extents->x;
    pixmap->y0 = -extents->y;
    return pixmap;
}