forked from AuroraMiddleware/gtk
Refactor background clearing code so we can clear a general region
This commit is contained in:
Alexander Larsson
Alexander Larsson
parent
490cbf84cd
commit
aa20a6b0b5
131
gdk/gdkwindow.c
131
gdk/gdkwindow.c
@ -227,11 +227,8 @@ static void gdk_window_free_paint_stack (GdkWindow *window);
|
||||
static void gdk_window_init (GdkWindowObject *window);
|
||||
static void gdk_window_class_init (GdkWindowObjectClass *klass);
|
||||
static void gdk_window_finalize (GObject *object);
|
||||
static void gdk_window_clear_backing_rect (GdkWindow *window,
|
||||
gint x,
|
||||
gint y,
|
||||
gint width,
|
||||
gint height);
|
||||
static void gdk_window_clear_backing_region (GdkWindow *window,
|
||||
GdkRegion *region);
|
||||
static void gdk_window_redirect_free (GdkWindowRedirect *redirect);
|
||||
static void apply_redirect_to_children (GdkWindowObject *private,
|
||||
GdkWindowRedirect *redirect);
|
||||
@ -2274,9 +2271,8 @@ gdk_window_begin_paint_region (GdkWindow *window,
|
||||
|
||||
if (!gdk_region_empty (paint->region))
|
||||
{
|
||||
gdk_window_clear_backing_rect (window,
|
||||
clip_box.x, clip_box.y,
|
||||
clip_box.width, clip_box.height);
|
||||
gdk_window_clear_backing_region (window,
|
||||
paint->region);
|
||||
}
|
||||
|
||||
#endif /* USE_BACKING_STORE */
|
||||
@ -3604,15 +3600,14 @@ setup_backing_rect_method (BackingRectMethod *method, GdkWindow *window, GdkWind
|
||||
}
|
||||
|
||||
static void
|
||||
gdk_window_clear_backing_rect (GdkWindow *window,
|
||||
gint x,
|
||||
gint y,
|
||||
gint width,
|
||||
gint height)
|
||||
gdk_window_clear_backing_region (GdkWindow *window,
|
||||
GdkRegion *region)
|
||||
{
|
||||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||||
GdkWindowPaint *paint = private->paint_stack->data;
|
||||
BackingRectMethod method;
|
||||
GdkRegion *clip;
|
||||
GdkRectangle clipbox;
|
||||
#if 0
|
||||
GTimer *timer;
|
||||
double elapsed;
|
||||
@ -3629,14 +3624,16 @@ gdk_window_clear_backing_rect (GdkWindow *window,
|
||||
method.gc = NULL;
|
||||
setup_backing_rect_method (&method, window, paint, 0, 0);
|
||||
|
||||
clip = gdk_region_copy (paint->region);
|
||||
gdk_region_intersect (clip, region);
|
||||
gdk_region_get_clipbox (clip, &clipbox);
|
||||
|
||||
|
||||
if (method.cr)
|
||||
{
|
||||
g_assert (method.gc == NULL);
|
||||
|
||||
cairo_rectangle (method.cr, x, y, width, height);
|
||||
cairo_clip (method.cr);
|
||||
|
||||
gdk_cairo_region (method.cr, paint->region);
|
||||
gdk_cairo_region (method.cr, clip);
|
||||
cairo_fill (method.cr);
|
||||
|
||||
cairo_destroy (method.cr);
|
||||
@ -3649,8 +3646,10 @@ gdk_window_clear_backing_rect (GdkWindow *window,
|
||||
{
|
||||
g_assert (method.gc != NULL);
|
||||
|
||||
gdk_gc_set_clip_region (method.gc, paint->region);
|
||||
gdk_draw_rectangle (window, method.gc, TRUE, x, y, width, height);
|
||||
gdk_gc_set_clip_region (method.gc, clip);
|
||||
gdk_draw_rectangle (window, method.gc, TRUE,
|
||||
clipbox.x, clipbox.y,
|
||||
clipbox.width, clipbox.height);
|
||||
g_object_unref (method.gc);
|
||||
|
||||
#if 0
|
||||
@ -3659,21 +3658,21 @@ gdk_window_clear_backing_rect (GdkWindow *window,
|
||||
#endif
|
||||
}
|
||||
|
||||
gdk_region_destroy (clip);
|
||||
|
||||
#if 0
|
||||
g_timer_destroy (timer);
|
||||
#endif
|
||||
}
|
||||
|
||||
static void
|
||||
gdk_window_clear_backing_rect_redirect (GdkWindow *window,
|
||||
gint x,
|
||||
gint y,
|
||||
gint width,
|
||||
gint height)
|
||||
gdk_window_clear_backing_region_redirect (GdkWindow *window,
|
||||
GdkRegion *region)
|
||||
{
|
||||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||||
GdkWindowRedirect *redirect = private->redirect;
|
||||
GdkRegion *clip_region;
|
||||
GdkRectangle clipbox;
|
||||
gint x_offset, y_offset;
|
||||
BackingRectMethod method;
|
||||
GdkWindowPaint paint;
|
||||
@ -3685,6 +3684,7 @@ gdk_window_clear_backing_rect_redirect (GdkWindow *window,
|
||||
GDK_WINDOW (redirect->redirected),
|
||||
TRUE,
|
||||
&x_offset, &y_offset);
|
||||
gdk_region_intersect (clip_region, region);
|
||||
|
||||
paint.x_offset = x_offset;
|
||||
paint.y_offset = y_offset;
|
||||
@ -3699,9 +3699,6 @@ gdk_window_clear_backing_rect_redirect (GdkWindow *window,
|
||||
{
|
||||
g_assert (method.gc == NULL);
|
||||
|
||||
cairo_rectangle (method.cr, x, y, width, height);
|
||||
cairo_clip (method.cr);
|
||||
|
||||
gdk_cairo_region (method.cr, clip_region);
|
||||
cairo_fill (method.cr);
|
||||
|
||||
@ -3711,8 +3708,11 @@ gdk_window_clear_backing_rect_redirect (GdkWindow *window,
|
||||
{
|
||||
g_assert (method.gc != NULL);
|
||||
|
||||
gdk_region_get_clipbox (clip_region, &clipbox);
|
||||
gdk_gc_set_clip_region (method.gc, clip_region);
|
||||
gdk_draw_rectangle (window, method.gc, TRUE, x, y, width, height);
|
||||
gdk_draw_rectangle (window, method.gc, TRUE,
|
||||
clipbox.x, clipbox.y,
|
||||
clipbox.width, clipbox.height);
|
||||
g_object_unref (method.gc);
|
||||
|
||||
}
|
||||
@ -3722,15 +3722,14 @@ gdk_window_clear_backing_rect_redirect (GdkWindow *window,
|
||||
}
|
||||
|
||||
static void
|
||||
gdk_window_clear_backing_rect_direct (GdkWindow *window,
|
||||
gint x,
|
||||
gint y,
|
||||
gint width,
|
||||
gint height)
|
||||
gdk_window_clear_backing_region_direct (GdkWindow *window,
|
||||
GdkRegion *region)
|
||||
{
|
||||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||||
BackingRectMethod method;
|
||||
GdkWindowPaint paint;
|
||||
GdkRegion *clip;
|
||||
GdkRectangle clipbox;
|
||||
|
||||
if (GDK_WINDOW_DESTROYED (window))
|
||||
return;
|
||||
@ -3744,14 +3743,15 @@ gdk_window_clear_backing_rect_direct (GdkWindow *window,
|
||||
method.gc = NULL;
|
||||
setup_backing_rect_method (&method, window, &paint, 0, 0);
|
||||
|
||||
clip = gdk_region_copy (private->clip_region_with_children);
|
||||
gdk_region_intersect (clip, region);
|
||||
gdk_region_get_clipbox (clip, &clipbox);
|
||||
|
||||
if (method.cr)
|
||||
{
|
||||
g_assert (method.gc == NULL);
|
||||
|
||||
gdk_cairo_region (method.cr, private->clip_region_with_children);
|
||||
cairo_clip (method.cr);
|
||||
|
||||
cairo_rectangle (method.cr, x, y, width, height);
|
||||
gdk_cairo_region (method.cr, clip);
|
||||
cairo_fill (method.cr);
|
||||
|
||||
cairo_destroy (method.cr);
|
||||
@ -3760,12 +3760,15 @@ gdk_window_clear_backing_rect_direct (GdkWindow *window,
|
||||
{
|
||||
g_assert (method.gc != NULL);
|
||||
|
||||
gdk_gc_set_clip_region (method.gc, private->clip_region_with_children);
|
||||
gdk_draw_rectangle (window, method.gc, TRUE, x, y, width, height);
|
||||
gdk_gc_set_clip_region (method.gc, clip);
|
||||
gdk_draw_rectangle (window, method.gc, TRUE,
|
||||
clipbox.x, clipbox.y,
|
||||
clipbox.width, clipbox.height);
|
||||
g_object_unref (method.gc);
|
||||
|
||||
}
|
||||
|
||||
gdk_region_destroy (clip);
|
||||
cairo_surface_destroy (paint.surface);
|
||||
}
|
||||
|
||||
@ -3789,6 +3792,26 @@ gdk_window_clear (GdkWindow *window)
|
||||
width, height);
|
||||
}
|
||||
|
||||
static void
|
||||
gdk_window_clear_region_internal (GdkWindow *window,
|
||||
GdkRegion *region,
|
||||
gboolean send_expose)
|
||||
{
|
||||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||||
|
||||
if (private->paint_stack)
|
||||
gdk_window_clear_backing_region (window, region);
|
||||
else
|
||||
{
|
||||
if (private->redirect)
|
||||
gdk_window_clear_backing_region_redirect (window, region);
|
||||
|
||||
gdk_window_clear_backing_region_direct (window, region);
|
||||
if (send_expose)
|
||||
gdk_window_invalidate_region (window, region, FALSE);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gdk_window_clear_area_internal (GdkWindow *window,
|
||||
gint x,
|
||||
@ -3798,6 +3821,8 @@ gdk_window_clear_area_internal (GdkWindow *window,
|
||||
gboolean send_expose)
|
||||
{
|
||||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||||
GdkRectangle rect;
|
||||
GdkRegion *region;
|
||||
|
||||
g_return_if_fail (GDK_IS_WINDOW (window));
|
||||
|
||||
@ -3808,29 +3833,19 @@ gdk_window_clear_area_internal (GdkWindow *window,
|
||||
if (height == 0)
|
||||
height = private->height - y;
|
||||
|
||||
if (private->paint_stack)
|
||||
gdk_window_clear_backing_rect (window, x, y, width, height);
|
||||
else
|
||||
{
|
||||
if (private->redirect)
|
||||
gdk_window_clear_backing_rect_redirect (window, x, y, width, height);
|
||||
rect.x = x;
|
||||
rect.y = x;
|
||||
rect.width = width;
|
||||
rect.height = height;
|
||||
|
||||
gdk_window_clear_backing_rect_direct (window, x, y, width, height);
|
||||
if (send_expose)
|
||||
{
|
||||
GdkRectangle rect;
|
||||
region = gdk_region_rectangle (&rect);
|
||||
gdk_window_clear_region_internal (window,
|
||||
region,
|
||||
FALSE);
|
||||
gdk_region_destroy (region);
|
||||
|
||||
rect.x = x;
|
||||
rect.y = x;
|
||||
rect.width = width;
|
||||
rect.height = height;
|
||||
|
||||
gdk_window_invalidate_rect (window, &rect, FALSE);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* gdk_window_clear_area:
|
||||
* @window: a #GdkWindow
|
||||
|
||||
Loading…
Reference in New Issue
Block a user