// cairo_public cairo_status_t
// cairo_region_xor (cairo_region_t *dst, const cairo_region_t *other);
static int l_cairo_region_xor (lua_State* L)
{
cairo_region_t *dst = get_cairo_region_t (L, 1);
const cairo_region_t *other = get_cairo_region_t (L, 2);
cairo_status_t v = cairo_region_xor (dst, other);
lua_pushinteger(L, v);
return 1;
}
bool wxRegion::DoXor( const wxRegion& region )
{
if (region.m_refData == NULL)
{ }
else if (m_refData == NULL)
{
// XOR-ing with an invalid region is the same as XOR-ing with an empty
// one, i.e. it is simply a copy.
m_refData = new wxRegionRefData(*M_REGIONDATA_OF(region));
}
else
{
AllocExclusive();
#ifdef __WXGTK3__
cairo_region_xor(M_REGIONDATA->m_region, M_REGIONDATA_OF(region)->m_region);
#else
gdk_region_xor( M_REGIONDATA->m_region, region.GetRegion() );
#endif
}
return true;
}
static void
grab_screenshot (ClutterActor *stage,
_screenshot_data *screenshot_data)
{
MetaScreen *screen = shell_global_get_screen (screenshot_data->screenshot->global);
MetaCursorTracker *tracker;
int width, height;
GSimpleAsyncResult *result;
GSettings *settings;
meta_screen_get_size (screen, &width, &height);
do_grab_screenshot (screenshot_data, 0, 0, width, height);
if (meta_screen_get_n_monitors (screen) > 1)
{
cairo_region_t *screen_region = cairo_region_create ();
cairo_region_t *stage_region;
MetaRectangle monitor_rect;
cairo_rectangle_int_t stage_rect;
int i;
cairo_t *cr;
for (i = meta_screen_get_n_monitors (screen) - 1; i >= 0; i--)
{
meta_screen_get_monitor_geometry (screen, i, &monitor_rect);
cairo_region_union_rectangle (screen_region, (const cairo_rectangle_int_t *) &monitor_rect);
}
stage_rect.x = 0;
stage_rect.y = 0;
stage_rect.width = width;
stage_rect.height = height;
stage_region = cairo_region_create_rectangle ((const cairo_rectangle_int_t *) &stage_rect);
cairo_region_xor (stage_region, screen_region);
cairo_region_destroy (screen_region);
cr = cairo_create (screenshot_data->image);
for (i = 0; i < cairo_region_num_rectangles (stage_region); i++)
{
cairo_rectangle_int_t rect;
cairo_region_get_rectangle (stage_region, i, &rect);
cairo_rectangle (cr, (double) rect.x, (double) rect.y, (double) rect.width, (double) rect.height);
cairo_fill (cr);
}
cairo_destroy (cr);
cairo_region_destroy (stage_region);
}
screenshot_data->screenshot_area.x = 0;
screenshot_data->screenshot_area.y = 0;
screenshot_data->screenshot_area.width = width;
screenshot_data->screenshot_area.height = height;
settings = g_settings_new (A11Y_APPS_SCHEMA);
if (screenshot_data->include_cursor &&
!g_settings_get_boolean (settings, MAGNIFIER_ACTIVE_KEY))
{
tracker = meta_cursor_tracker_get_for_screen (screen);
_draw_cursor_image (tracker, screenshot_data->image, screenshot_data->screenshot_area);
}
g_object_unref (settings);
g_signal_handlers_disconnect_by_func (stage, (void *)grab_screenshot, (gpointer)screenshot_data);
result = g_simple_async_result_new (NULL, on_screenshot_written, (gpointer)screenshot_data, grab_screenshot);
g_simple_async_result_run_in_thread (result, write_screenshot_thread, G_PRIORITY_DEFAULT, NULL);
g_object_unref (result);
}
