From 849a8b5f5847feec931fc985fa3f73927b883091 Mon Sep 17 00:00:00 2001
From: BiBi <47357234+Huberion@users.noreply.github.com>
Date: Mon, 28 Dec 2020 22:49:18 +0800
Subject: [PATCH] Fix Scrollbar range calculation error

When zoomed in, the right and bottom edges of the resource image will be outside the viewing area.
---
 editor/plugins/polygon_2d_editor_plugin.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/editor/plugins/polygon_2d_editor_plugin.cpp b/editor/plugins/polygon_2d_editor_plugin.cpp
index 0584ee894b2..33150686748 100644
--- a/editor/plugins/polygon_2d_editor_plugin.cpp
+++ b/editor/plugins/polygon_2d_editor_plugin.cpp
@@ -1052,8 +1052,6 @@ void Polygon2DEditor::_uv_draw() {
 		if (i < uv_draw_max /*&& polygons.size() == 0 &&  polygon_create.size() == 0*/) { //if using or creating polygons, do not show outline (will show polygons instead)
 			uv_edit_draw->draw_line(mtx.xform(uvs[i]), mtx.xform(next_point), poly_line_color, Math::round(EDSCALE));
 		}
-
-		rect.expand_to(mtx.basis_xform(uvs[i]));
 	}
 
 	for (int i = 0; i < polygons.size(); i++) {
@@ -1160,8 +1158,8 @@ void Polygon2DEditor::_uv_draw() {
 		uv_edit_draw->draw_circle(bone_paint_pos, bone_paint_radius->get_value() * EDSCALE, Color(1, 1, 1, 0.1));
 	}
 
-	rect.position -= uv_edit_draw->get_size();
-	rect.size += uv_edit_draw->get_size() * 2.0;
+	rect.position = -uv_edit_draw->get_size();
+	rect.size = uv_edit_draw->get_size() * 2.0 + base_tex->get_size() * uv_draw_zoom;
 
 	updating_uv_scroll = true;