WindowServer: Fix drawing wallpaper on additional screens

We need to translate the source rectangle relative to the screen location when blitting from the wallpaper bitmap.
Author: https://github.com/tomuta Commit: 328a64fbdc Pull-request: https://github.com/SerenityOS/serenity/pull/17515 Reviewed-by: https://github.com/linusg ✅
2025-09-03 08:08:43 +00:00 · 2023-02-17 21:18:02 -07:00 · 2023-02-17 21:18:02 -07:00 · 328a64fbdc · 2024-07-17 07:19:27 +09:00
commit 328a64fbdc
parent 15d4903efb
1 changed files with 1 additions and 1 deletions
--- a/Userland/Services/WindowServer/Compositor.cpp
+++ b/Userland/Services/WindowServer/Compositor.cpp
@ -320,7 +320,7 @@ void Compositor::compose()
                painter.draw_tiled_bitmap(rect, *m_wallpaper);
            } else if (m_wallpaper_mode == WallpaperMode::Stretch) {
                VERIFY(screen.compositor_screen_data().m_wallpaper_bitmap);
-                painter.blit(rect.location(), *screen.compositor_screen_data().m_wallpaper_bitmap, rect);
+                painter.blit(rect.location(), *screen.compositor_screen_data().m_wallpaper_bitmap, rect.translated(-screen.location()));
            } else {
                VERIFY_NOT_REACHED();
            }