From f54fdd3926a98a279fade40c9ab52239a9fd7f31 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Thu, 2 May 2024 18:42:08 +0300
Subject: [PATCH] Ignore rotation angle for non-gradient patterns.

---
 td/telegram/BackgroundType.cpp | 3 +++
 td/telegram/BackgroundType.h   | 3 +++
 td/telegram/cli.cpp            | 2 +-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/td/telegram/BackgroundType.cpp b/td/telegram/BackgroundType.cpp
index 816f9958a..4fecd8532 100644
--- a/td/telegram/BackgroundType.cpp
+++ b/td/telegram/BackgroundType.cpp
@@ -89,6 +89,9 @@ BackgroundFill::BackgroundFill(const telegram_api::wallPaperSettings *settings)
   } else {
     bottom_color_ = top_color_;
   }
+  if (get_type() != Type::Gradient) {
+    rotation_angle_ = 0;
+  }
 }
 
 Result<BackgroundFill> BackgroundFill::get_background_fill(const td_api::BackgroundFill *fill) {
diff --git a/td/telegram/BackgroundType.h b/td/telegram/BackgroundType.h
index 494aae353..2e6ab0a04 100644
--- a/td/telegram/BackgroundType.h
+++ b/td/telegram/BackgroundType.h
@@ -28,6 +28,9 @@ class BackgroundFill {
   }
   BackgroundFill(int32 top_color, int32 bottom_color, int32 rotation_angle)
       : top_color_(top_color), bottom_color_(bottom_color), rotation_angle_(rotation_angle) {
+    if (get_type() != Type::Gradient) {
+      rotation_angle_ = 0;
+    }
   }
   BackgroundFill(int32 first_color, int32 second_color, int32 third_color, int32 fourth_color)
       : top_color_(first_color), bottom_color_(second_color), third_color_(third_color), fourth_color_(fourth_color) {
diff --git a/td/telegram/cli.cpp b/td/telegram/cli.cpp
index d1dc4c1c9..b0127e483 100644
--- a/td/telegram/cli.cpp
+++ b/td/telegram/cli.cpp
@@ -2299,7 +2299,7 @@ class CliClient final : public Actor {
   }
 
   static td_api::object_ptr<td_api::BackgroundFill> as_background_fill(int32 top_color, int32 bottom_color) {
-    return td_api::make_object<td_api::backgroundFillGradient>(top_color, bottom_color, Random::fast(0, 7) * 45);
+    return td_api::make_object<td_api::backgroundFillGradient>(top_color, bottom_color, Random::fast(1, 7) * 45);
   }
 
   static td_api::object_ptr<td_api::BackgroundFill> as_background_fill(vector<int32> colors) {