From ce723c4629ce39ae082d908d917a813428c17741 Mon Sep 17 00:00:00 2001
From: arkology <43543909+arkology@users.noreply.github.com>
Date: Thu, 12 Dec 2024 22:29:02 +0300
Subject: [PATCH] Add texture borders to TextureEditorPlugin

---
 editor/plugins/texture_editor_plugin.cpp | 19 ++++++++++++++++---
 editor/plugins/texture_editor_plugin.h   |  2 ++
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/editor/plugins/texture_editor_plugin.cpp b/editor/plugins/texture_editor_plugin.cpp
index d93466b5ba98..c7af98cac976 100644
--- a/editor/plugins/texture_editor_plugin.cpp
+++ b/editor/plugins/texture_editor_plugin.cpp
@@ -32,6 +32,7 @@
 
 #include "editor/editor_string_names.h"
 #include "editor/themes/editor_scale.h"
+#include "scene/gui/aspect_ratio_container.h"
 #include "scene/gui/label.h"
 #include "scene/gui/texture_rect.h"
 #include "scene/resources/animated_texture.h"
@@ -62,6 +63,8 @@ void TexturePreview::_notification(int p_what) {
 			}
 
 			checkerboard->set_texture(get_editor_theme_icon(SNAME("Checkerboard")));
+
+			texture_borders_rect->set_border_color(get_theme_color(SNAME("disabled_border_color"), EditorStringName(Editor)));
 		} break;
 	}
 }
@@ -128,15 +131,25 @@ TexturePreview::TexturePreview(Ref<Texture2D> p_texture, bool p_show_metadata) {
 	checkerboard->set_stretch_mode(TextureRect::STRETCH_TILE);
 	checkerboard->set_texture_repeat(CanvasItem::TEXTURE_REPEAT_ENABLED);
 	checkerboard->set_custom_minimum_size(Size2(0.0, 256.0) * EDSCALE);
+	checkerboard->set_clip_contents(true);
 	add_child(checkerboard);
 
+	AspectRatioContainer *arc = memnew(AspectRatioContainer);
+	arc->set_anchors_preset(PRESET_FULL_RECT);
+	checkerboard->add_child(arc);
+
 	texture_display = memnew(TextureRect);
 	texture_display->set_texture_filter(TEXTURE_FILTER_NEAREST_WITH_MIPMAPS);
 	texture_display->set_texture(p_texture);
-	texture_display->set_anchors_preset(TextureRect::PRESET_FULL_RECT);
-	texture_display->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT_CENTERED);
 	texture_display->set_expand_mode(TextureRect::EXPAND_IGNORE_SIZE);
-	add_child(texture_display);
+	arc->add_child(texture_display);
+
+	texture_borders_rect = memnew(ReferenceRect);
+	texture_borders_rect->set_anchors_preset(PRESET_FULL_RECT);
+	texture_borders_rect->set_draw_behind_parent(true);
+	//texture_borders_rect->set_border_width(1);
+	texture_display->add_child(texture_borders_rect);
+
 
 	if (p_show_metadata) {
 		metadata_label = memnew(Label);
diff --git a/editor/plugins/texture_editor_plugin.h b/editor/plugins/texture_editor_plugin.h
index ea31429238ef..cf15a769581c 100644
--- a/editor/plugins/texture_editor_plugin.h
+++ b/editor/plugins/texture_editor_plugin.h
@@ -34,6 +34,7 @@
 #include "editor/editor_inspector.h"
 #include "editor/plugins/editor_plugin.h"
 #include "scene/gui/margin_container.h"
+#include "scene/gui/reference_rect.h"
 #include "scene/resources/texture.h"
 
 class TextureRect;
@@ -44,6 +45,7 @@ class TexturePreview : public MarginContainer {
 private:
 	TextureRect *texture_display = nullptr;
 
+	ReferenceRect *texture_borders_rect = nullptr;
 	TextureRect *checkerboard = nullptr;
 	Label *metadata_label = nullptr;