docs: Use our own box model illustration

This one has a dark mode too.

diff --git a/docs/reference/gtk/coordinates.md b/docs/reference/gtk/coordinates.md
index 4ca85d58905c5ac87f84f44652fd0937e2861ddc..96f5f50aeb41f1a46904b3461630dff10aa0eeeb 100644 (file)
--- a/docs/reference/gtk/coordinates.md
+++ b/docs/reference/gtk/coordinates.md
@@ -16,7 +16,10 @@ ignored. The section will explain the details for the few cases when it is impor
 
 When it comes to rendering, GTK follows the CSS box model as far as practical.
 
-![](https://www.w3.org/TR/css-box-3/images/box.png)
+<picture>
+  <source srcset="box-model-dark.png" media="(prefers-color-scheme: dark)">
+  <img alt="Box Model" src="box-model-light.png">
+</picture>
 
 The CSS stylesheet that is in use determines the sizes (and appearance) of the
 margin, border and padding areas for each widget. The size of the content area

diff --git a/docs/reference/gtk/gtk4.toml.in b/docs/reference/gtk/gtk4.toml.in
index 477c618f767242c1b8b73f07a77c103234efefe3..3404a419a10b76fdb7a98b078e0291957338e3fc 100644 (file)
--- a/docs/reference/gtk/gtk4.toml.in
+++ b/docs/reference/gtk/gtk4.toml.in
@@ -242,5 +242,7 @@ content_images = [
   "images/rich-list.png",
   "images/data-table.png",
   "images/navigation-sidebar.png",
+  "images/box-model-light.png",
+  "images/box-model-dark.png",
 ]
 urlmap_file = "urlmap.js"

diff --git a/docs/reference/gtk/images/box-model-dark.png b/docs/reference/gtk/images/box-model-dark.png
new file mode 100644 (file)
index 0000000..eaf0c79
Binary files /dev/null and b/docs/reference/gtk/images/box-model-dark.png differ

diff --git a/docs/reference/gtk/images/box-model-light.png b/docs/reference/gtk/images/box-model-light.png
new file mode 100644 (file)
index 0000000..dd54a15
Binary files /dev/null and b/docs/reference/gtk/images/box-model-light.png differ

diff --git a/docs/reference/gtk/images/box-model.svg b/docs/reference/gtk/images/box-model.svg
new file mode 100644 (file)
index 0000000..dddc0c7
--- /dev/null
+++ b/docs/reference/gtk/images/box-model.svg
@@ -0,0 +1,193 @@
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