diff --git a/src/app/ui/editor/editor.cpp b/src/app/ui/editor/editor.cpp
index 7cf4fe9e3..b7c89768e 100644
--- a/src/app/ui/editor/editor.cpp
+++ b/src/app/ui/editor/editor.cpp
@@ -147,6 +147,7 @@ Editor::Editor(Doc* document, EditorFlags flags)
   , m_layer(m_sprite->root()->firstLayer())
   , m_frame(frame_t(0))
   , m_docPref(Preferences::instance().document(document))
+  , m_tiledModeHelper(app::TiledModeHelper(m_docPref.tiled.mode(), m_sprite))
   , m_brushPreview(this)
   , m_toolLoopModifiers(tools::ToolLoopModifiers::kNone)
   , m_padding(0, 0)
@@ -2222,6 +2223,8 @@ void Editor::onTiledModeChange()
   screenPos = editorToScreen(spritePos);
 
   centerInSpritePoint(spritePos);
+
+  m_tiledModeHelper.mode(m_docPref.tiled.mode());
 }
 
 void Editor::onShowExtrasChange()
@@ -2810,77 +2813,23 @@ gfx::Point Editor::calcExtraPadding(const Projection& proj)
 
 gfx::Size Editor::canvasSize() const
 {
-  gfx::Size sz(m_sprite->width(),
-               m_sprite->height());
-  if (int(m_docPref.tiled.mode()) & int(filters::TiledMode::X_AXIS)) {
-    sz.w += sz.w*2;
-  }
-  if (int(m_docPref.tiled.mode()) & int(filters::TiledMode::Y_AXIS)) {
-    sz.h += sz.h*2;
-  }
-  return sz;
+  return m_tiledModeHelper.canvasSize();
 }
 
 gfx::Point Editor::mainTilePosition() const
 {
-  gfx::Point pt(0, 0);
-  if (int(m_docPref.tiled.mode()) & int(filters::TiledMode::X_AXIS)) {
-    pt.x += m_sprite->width();
-  }
-  if (int(m_docPref.tiled.mode()) & int(filters::TiledMode::Y_AXIS)) {
-    pt.y += m_sprite->height();
-  }
-  return pt;
+  return m_tiledModeHelper.mainTilePosition();
 }
 
 void Editor::expandRegionByTiledMode(gfx::Region& rgn,
                                      const bool withProj) const
 {
-  gfx::Region tile = rgn;
-  const bool xTiled = (int(m_docPref.tiled.mode()) & int(filters::TiledMode::X_AXIS));
-  const bool yTiled = (int(m_docPref.tiled.mode()) & int(filters::TiledMode::Y_AXIS));
-  int w = m_sprite->width();
-  int h = m_sprite->height();
-  if (withProj) {
-    w = m_proj.applyX(w);
-    h = m_proj.applyY(h);
-  }
-  if (xTiled) {
-    tile.offset(w, 0); rgn |= tile;
-    tile.offset(w, 0); rgn |= tile;
-    tile.offset(-2*w, 0);
-  }
-  if (yTiled) {
-    tile.offset(0, h); rgn |= tile;
-    tile.offset(0, h); rgn |= tile;
-    tile.offset(0, -2*h);
-  }
-  if (xTiled && yTiled) {
-    tile.offset(w, h); rgn |= tile;
-    tile.offset(w, 0); rgn |= tile;
-    tile.offset(-w, h); rgn |= tile;
-    tile.offset(w, 0); rgn |= tile;
-  }
+  m_tiledModeHelper.expandRegionByTiledMode(rgn, withProj ? &m_proj : nullptr);
 }
 
 void Editor::collapseRegionByTiledMode(gfx::Region& rgn) const
 {
-  auto canvasSize = this->canvasSize();
-  rgn &= gfx::Region(gfx::Rect(canvasSize));
-
-  const int sprW = m_sprite->width();
-  const int sprH = m_sprite->height();
-
-  gfx::Region newRgn;
-  for (int v=0; v<canvasSize.h; v+=sprH) {
-    for (int u=0; u<canvasSize.w; u+=sprW) {
-      gfx::Region tmp(gfx::Rect(u, v, sprW, sprH));
-      tmp &= rgn;
-      tmp.offset(-u, -v);
-      newRgn |= tmp;
-    }
-  }
-  rgn = newRgn;
+  m_tiledModeHelper.collapseRegionByTiledMode(rgn);
 }
 
 bool Editor::isMovingPixels() const
diff --git a/src/app/ui/editor/editor.h b/src/app/ui/editor/editor.h
index 389169f83..448dbbcf4 100644
--- a/src/app/ui/editor/editor.h
+++ b/src/app/ui/editor/editor.h
@@ -22,6 +22,7 @@
 #include "app/ui/editor/editor_state.h"
 #include "app/ui/editor/editor_states_history.h"
 #include "app/ui/tile_source.h"
+#include "app/util/tiled_mode.h"
 #include "doc/algorithm/flip_type.h"
 #include "doc/frame.h"
 #include "doc/image_buffer.h"
@@ -403,6 +404,8 @@ namespace app {
     frame_t m_frame;              // Active frame in the editor
     render::Projection m_proj;    // Zoom/pixel ratio in the editor
     DocumentPreferences& m_docPref;
+    // Helper functions affected by the current Tiled Mode.
+    app::TiledModeHelper m_tiledModeHelper;
 
     // Brush preview
     BrushPreview m_brushPreview;
diff --git a/src/app/ui/editor/tool_loop_impl.cpp b/src/app/ui/editor/tool_loop_impl.cpp
index 10f9a0657..f77a9598f 100644
--- a/src/app/ui/editor/tool_loop_impl.cpp
+++ b/src/app/ui/editor/tool_loop_impl.cpp
@@ -473,6 +473,7 @@ class ToolLoopImpl : public ToolLoopBase,
   std::unique_ptr<ExpandCelCanvas> m_expandCelCanvas;
   Image* m_floodfillSrcImage;
   bool m_saveLastPoint;
+  app::TiledModeHelper m_tiledModeHelper;
 
 public:
   ToolLoopImpl(Editor* editor,
@@ -493,6 +494,7 @@ public:
                                 ModifyDocument))
     , m_floodfillSrcImage(nullptr)
     , m_saveLastPoint(saveLastPoint)
+    , m_tiledModeHelper(m_docPref.tiled.mode(), m_sprite)
   {
     if (m_pointShape->isFloodFill()) {
       if (m_tilesMode) {
@@ -766,7 +768,7 @@ public:
       getPointShape()->getModifiedArea(this, pos.x, pos.y, r);
 
       gfx::Region rgn(r);
-      m_editor->collapseRegionByTiledMode(rgn);
+      m_tiledModeHelper.collapseRegionByTiledMode(rgn);
 
       for (auto a : rgn) {
         ImageRef i(Image::create(getSrcImage()->pixelFormat(), a.w, a.h));
@@ -834,10 +836,10 @@ private:
       return;
 
     if (int(getTiledMode()) & int(TiledMode::X_AXIS)) {
-      result.x %= m_editor->canvasSize().w;
+      result.x %= m_tiledModeHelper.canvasSize().w;
     }
     if (int(getTiledMode()) & int(TiledMode::Y_AXIS)) {
-      result.y %= m_editor->canvasSize().h;
+      result.y %= m_tiledModeHelper.canvasSize().h;
     }
 
     gfx::Rect r;
@@ -845,12 +847,12 @@ private:
 
     if (r.x < 0)
       result.x += m_sprite->width();
-    else if (r.x2() > m_editor->canvasSize().w)
+    else if (r.x2() > m_tiledModeHelper.canvasSize().w)
       result.x -= m_sprite->width();
 
     if (r.y < 0)
       result.y += m_sprite->height();
-    else if (r.y2() > m_editor->canvasSize().h)
+    else if (r.y2() > m_tiledModeHelper.canvasSize().h)
       result.y -= m_sprite->height();
   }
 };
diff --git a/src/app/util/tiled_mode.h b/src/app/util/tiled_mode.h
new file mode 100644
index 000000000..c2562f5b0
--- /dev/null
+++ b/src/app/util/tiled_mode.h
@@ -0,0 +1,109 @@
+// Aseprite
+// Copyright (C) 2001-2015  David Capello
+//
+// This program is distributed under the terms of
+// the End-User License Agreement for Aseprite.
+#ifndef APP_TILED_MODE_H_INCLUDED
+#define APP_TILED_MODE_H_INCLUDED
+#pragma once
+
+#include "filters/tiled_mode.h"
+
+#include "app/doc.h"
+#include "gfx/region.h"
+#include "render/projection.h"
+
+namespace app {
+
+  class TiledModeHelper {
+  public:
+    TiledModeHelper(const filters::TiledMode mode, const doc::Sprite* canvas) :
+      m_mode(mode),
+      m_canvas(canvas) {
+    }
+    ~TiledModeHelper() {}
+
+    void mode(const filters::TiledMode mode) {
+      m_mode = mode;
+    }
+
+    gfx::Size canvasSize() const {
+      gfx::Size sz(m_canvas->width(),
+                   m_canvas->height());
+      if (int(m_mode) & int(filters::TiledMode::X_AXIS)) {
+        sz.w += sz.w * 2;
+      }
+      if (int(m_mode) & int(filters::TiledMode::Y_AXIS)) {
+        sz.h += sz.h * 2;
+      }
+      return sz;
+    }
+
+    gfx::Point mainTilePosition() const {
+      gfx::Point pt(0, 0);
+      if (int(m_mode) & int(filters::TiledMode::X_AXIS)) {
+        pt.x += m_canvas->width();
+      }
+      if (int(m_mode) & int(filters::TiledMode::Y_AXIS)) {
+        pt.y += m_canvas->height();
+      }
+      return pt;
+    }
+
+    void expandRegionByTiledMode(gfx::Region& rgn,
+                                 const render::Projection* proj = nullptr) const {
+      gfx::Region tile = rgn;
+      const bool xTiled = (int(m_mode) & int(filters::TiledMode::X_AXIS));
+      const bool yTiled = (int(m_mode) & int(filters::TiledMode::Y_AXIS));
+      int w = m_canvas->width();
+      int h = m_canvas->height();
+      if (proj) {
+        w = proj->applyX(w);
+        h = proj->applyY(h);
+      }
+      if (xTiled) {
+        tile.offset(w, 0); rgn |= tile;
+        tile.offset(w, 0); rgn |= tile;
+        tile.offset(-2 * w, 0);
+      }
+      if (yTiled) {
+        tile.offset(0, h); rgn |= tile;
+        tile.offset(0, h); rgn |= tile;
+        tile.offset(0, -2 * h);
+      }
+      if (xTiled && yTiled) {
+        tile.offset(w, h); rgn |= tile;
+        tile.offset(w, 0); rgn |= tile;
+        tile.offset(-w, h); rgn |= tile;
+        tile.offset(w, 0); rgn |= tile;
+      }
+    }
+
+    void collapseRegionByTiledMode(gfx::Region& rgn) const {
+      auto canvasSize = this->canvasSize();
+      rgn &= gfx::Region(gfx::Rect(canvasSize));
+
+      const int sprW = m_canvas->width();
+      const int sprH = m_canvas->height();
+
+      gfx::Region newRgn;
+      for (int v = 0; v < canvasSize.h; v += sprH) {
+        for (int u = 0; u < canvasSize.w; u += sprW) {
+          gfx::Region tmp(gfx::Rect(u, v, sprW, sprH));
+          tmp &= rgn;
+          tmp.offset(-u, -v);
+          newRgn |= tmp;
+        }
+      }
+      rgn = newRgn;
+    }
+
+  private:
+    filters::TiledMode m_mode;
+    const doc::Sprite* m_canvas;
+
+  };
+
+} // namespace app
+
+#endif