diff --git a/Libraries/LibGfx/PaintingSurface.cpp b/Libraries/LibGfx/PaintingSurface.cpp
index a94b14ab621..42c3c66f372 100644
--- a/Libraries/LibGfx/PaintingSurface.cpp
+++ b/Libraries/LibGfx/PaintingSurface.cpp
@@ -101,6 +101,15 @@ void PaintingSurface::read_into_bitmap(Gfx::Bitmap& bitmap)
     m_impl->surface->readPixels(pixmap, 0, 0);
 }
 
+void PaintingSurface::write_from_bitmap(Gfx::Bitmap& bitmap)
+{
+    auto color_type = to_skia_color_type(bitmap.format());
+    auto alpha_type = bitmap.alpha_type() == Gfx::AlphaType::Premultiplied ? kPremul_SkAlphaType : kUnpremul_SkAlphaType;
+    auto image_info = SkImageInfo::Make(bitmap.width(), bitmap.height(), color_type, alpha_type);
+    SkPixmap const pixmap(image_info, bitmap.begin(), bitmap.pitch());
+    m_impl->surface->writePixels(pixmap, 0, 0);
+}
+
 IntSize PaintingSurface::size() const
 {
     return m_impl->size;
diff --git a/Libraries/LibGfx/PaintingSurface.h b/Libraries/LibGfx/PaintingSurface.h
index eed6782a92c..9c489567850 100644
--- a/Libraries/LibGfx/PaintingSurface.h
+++ b/Libraries/LibGfx/PaintingSurface.h
@@ -32,6 +32,7 @@ public:
 #endif
 
     void read_into_bitmap(Bitmap&);
+    void write_from_bitmap(Bitmap&);
 
     IntSize size() const;
     IntRect rect() const;