Attachment 9212 Details for Bug 10329 – implement "include inferiors" xlib surfaces

[patch] implement "include inferiors" xlib surfaces

cairo-include-inferiors.patch (text/plain), 5.35 KB, created by Allison Lortie (desrt) on 2007-03-18 09:37:51 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Allison Lortie (desrt)

Created: 2007-03-18 09:37:51 UTC

Size: 5.35 KB

patch

obsolete

>add support for "include inferiors" xlib surfaces
>
>---
>commit 223405fe5c4009ebfd36322b359a4212b90fc47c
>tree d3e047a10a5e38b511aac0f9ac99dce2aa5d12db
>parent 5aaf584bf44d762af5e486f21a037eb0cc6e1197
>author Ryan Lortie <desrt@desrt.ca> Sun, 18 Mar 2007 12:40:57 -0400
>committer Ryan Lortie <desrt@desrt.ca> Sun, 18 Mar 2007 12:40:57 -0400
>
> src/cairo-xlib-surface.c |  103 +++++++++++++++++++++++++++++++++++++++++++++-
> src/cairo-xlib.h         |    7 +++
> 2 files changed, 108 insertions(+), 2 deletions(-)
>
>diff --git a/src/cairo-xlib-surface.c b/src/cairo-xlib-surface.c
>index 49bdaae..9f3f583 100644
>--- a/src/cairo-xlib-surface.c
>+++ b/src/cairo-xlib-surface.c
>@@ -121,6 +121,7 @@ struct _cairo_xlib_surface {
>     int depth;
> 
>     Picture dst_picture, src_picture;
>+    int include_inferiors;
> 
>     cairo_bool_t have_clip_rects;
>     XRectangle *clip_rects;
>@@ -689,10 +690,21 @@ static void
> _cairo_xlib_surface_ensure_src_picture (cairo_xlib_surface_t    *surface)
> {
>     if (!surface->src_picture)
>+    {
>+	XRenderPictureAttributes pa;
>+	int mask = 0;
>+
>+	if (surface->include_inferiors)
>+	{
>+	    pa.subwindow_mode = IncludeInferiors;
>+	    mask |= CPSubwindowMode;
>+	}
>+
> 	surface->src_picture = XRenderCreatePicture (surface->dpy,
> 						     surface->drawable,
> 						     surface->xrender_format,
>-						     0, NULL);
>+						     mask, &pa);
>+    }
> }
> 
> static void
>@@ -719,10 +731,19 @@ static void
> _cairo_xlib_surface_ensure_dst_picture (cairo_xlib_surface_t    *surface)
> {
>     if (!surface->dst_picture) {
>+	XRenderPictureAttributes pa;
>+	int mask = 0;
>+
>+	if (surface->include_inferiors)
>+	{
>+	    pa.subwindow_mode = IncludeInferiors;
>+	    mask |= CPSubwindowMode;
>+	}
>+
> 	surface->dst_picture = XRenderCreatePicture (surface->dpy,
> 						     surface->drawable,
> 						     surface->xrender_format,
>-						     0, NULL);
>+						     mask, &pa);
> 	_cairo_xlib_surface_set_picture_clip_rects (surface);
>     }
> 
>@@ -2053,6 +2074,7 @@ cairo_xlib_surface_set_size (cairo_surface_t *abstract_surface,
>     surface->width = width;
>     surface->height = height;
> }
>+
> /**
>  * cairo_xlib_surface_set_drawable:
>  * @surface: a #cairo_surface_t for the XLib backend
>@@ -2101,6 +2123,59 @@ cairo_xlib_surface_set_drawable (cairo_surface_t   *abstract_surface,
> }
> 
> /**
>+ * cairo_xlib_surface_set_include_inferiors:
>+ * @surface: a #cairo_surface_t for the XLib backend
>+ * @include_inferiors: if child windows should be included
>+ *                     in draw ops
>+ *
>+ * Sets the surface as "include inferiors" or not.
>+ *
>+ * For destinations of draws this means that child windows
>+ * that would normally clip the draw are simply drawn over
>+ * top of.
>+ *
>+ * For sources of draws this means that child windows that
>+ * would normally clip the content of the parent window have
>+ * their image data include as part of that content.
>+ *
>+ * This flag corresponds to the XRender IncludeInferiors
>+ * attribute.
>+ *
>+ * Since: 1.4
>+ **/
>+void
>+cairo_xlib_surface_set_include_inferiors (cairo_surface_t   *abstract_surface,
>+					  int		     include_inferiors)
>+{
>+    cairo_xlib_surface_t *surface = (cairo_xlib_surface_t *)abstract_surface;
>+
>+    if (! _cairo_surface_is_xlib (abstract_surface)) {
>+	_cairo_surface_set_error (abstract_surface, CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
>+	return;
>+    }
>+
>+    include_inferiors = include_inferiors != 0;
>+
>+    if (surface->owns_pixmap) {
>+	surface->include_inferiors = include_inferiors;
>+	return;
>+    }
>+
>+    if (surface->include_inferiors != include_inferiors) {
>+	if (surface->dst_picture)
>+	    XRenderFreePicture (surface->dpy, surface->dst_picture);
>+
>+	if (surface->src_picture)
>+	    XRenderFreePicture (surface->dpy, surface->src_picture);
>+
>+	surface->dst_picture = None;
>+	surface->src_picture = None;
>+
>+	surface->include_inferiors = include_inferiors;
>+    }
>+}
>+
>+/**
>  * cairo_xlib_surface_get_display:
>  * @surface: a #cairo_xlib_surface_t
>  *
>@@ -2147,6 +2222,30 @@ cairo_xlib_surface_get_drawable (cairo_surface_t *abstract_surface)
> }
> 
> /**
>+ * cairo_xlib_surface_get_include_inferiors:
>+ * @surface: a #cairo_xlib_surface_t
>+ *
>+ * Returns if the surface includes inferiors or not.
>+ * See cairo_xlib_surface_set_include_inferiors().
>+ *
>+ * Return value: 1 if the surface includes inferiors.
>+ *
>+ * Since: 1.4
>+ **/
>+int
>+cairo_xlib_surface_get_include_inferiors (cairo_surface_t *abstract_surface)
>+{
>+    cairo_xlib_surface_t *surface = (cairo_xlib_surface_t *) abstract_surface;
>+
>+    if (! _cairo_surface_is_xlib (abstract_surface)) {
>+	_cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
>+	return 0;
>+    }
>+
>+    return surface->include_inferiors;
>+}
>+
>+/**
>  * cairo_xlib_surface_get_screen:
>  * @surface: a #cairo_xlib_surface_t
>  *
>diff --git a/src/cairo-xlib.h b/src/cairo-xlib.h
>index ad92b39..c7e9db2 100644
>--- a/src/cairo-xlib.h
>+++ b/src/cairo-xlib.h
>@@ -70,12 +70,19 @@ cairo_xlib_surface_set_drawable (cairo_surface_t *surface,
> 				 int              width,
> 				 int              height);
> 
>+cairo_public void
>+cairo_xlib_surface_set_include_inferiors (cairo_surface_t *surface,
>+					  int              include_inferiors);
>+
> cairo_public Display *
> cairo_xlib_surface_get_display (cairo_surface_t *surface);
> 
> cairo_public Drawable
> cairo_xlib_surface_get_drawable (cairo_surface_t *surface);
> 
>+cairo_public int
>+cairo_xlib_surface_get_include_inferiors (cairo_surface_t *surface);
>+
> cairo_public Screen *
> cairo_xlib_surface_get_screen (cairo_surface_t *surface);
>

Actions: View | Splinter Review

Attachments on bug 10329: 9209 | 9212 | 10019 | 10072

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.