From d97dccfa1f08d46984be9a728846b30514fef218 Mon Sep 17 00:00:00 2001
From: Aire-One <Aire-One@users.noreply.github.com>
Date: Sun, 25 Aug 2019 15:35:17 -0400
Subject: [PATCH] doc: Improve the screen padding image.

It now shows the padding instead of the tiling area.
---
 tests/examples/screen/padding.lua  |  2 +-
 tests/examples/screen/template.lua | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/tests/examples/screen/padding.lua b/tests/examples/screen/padding.lua
index dba00d73..79b9e049 100644
--- a/tests/examples/screen/padding.lua
+++ b/tests/examples/screen/padding.lua
@@ -34,5 +34,5 @@ end --DOC_HIDE
 return { --DOC_HIDE
     factor                = 2    , --DOC_HIDE
     show_boxes            = false, --DOC_HIDE
-    highlight_tiling_area = true , --DOC_HIDE
+    highlight_padding_area = true , --DOC_HIDE
 } --DOC_HIDE
diff --git a/tests/examples/screen/template.lua b/tests/examples/screen/template.lua
index 75d4f701..761e4d6f 100644
--- a/tests/examples/screen/template.lua
+++ b/tests/examples/screen/template.lua
@@ -79,6 +79,7 @@ local colors = {
     geometry    = "#000000",
     workarea    = "#0000ff",
     tiling_area = "#ff0000",
+    padding_area= "#ff0000",
 }
 
 local function draw_area(_, rect, name, offset, highlight)
@@ -96,6 +97,17 @@ local function draw_area(_, rect, name, offset, highlight)
     cr:stroke()
 end
 
+local function draw_bounding_area(_, rect, hole, name, offset)
+    draw_area(_, rect, name, offset, true)
+
+    local x, y = hole.x*factor+offset, hole.y*factor+offset
+    cr:set_operator(cairo.Operator.CLEAR)
+    cr:rectangle(x, y, hole.width*factor, hole.height*factor)
+    cr:set_source_rgb(1, 1, 1)
+    cr:fill()
+    cr:set_operator(cairo.Operator.OVER)
+end
+
 local function compute_ruler(_, rect, name)
     table.insert(hrulers, {
         label = name, x = rect.x, width = rect.width
@@ -314,6 +326,10 @@ for k=1, screen.count() do
     draw_area(s, s.workarea, "workarea", (k-1)*10, args.highlight_workarea)
 
     -- The padding.
+    if args.highlight_padding_area then
+        draw_bounding_area(s, s.workarea, s.tiling_area, "padding_area", (k-1)*10)
+    end
+
     draw_area(s, s.tiling_area, "tiling_area", (k-1)*10, args.highlight_tiling_area)
 
     -- Draw the ruler.