Don't show onion skin in the mini editor

src/app/commands/cmd_preview.cpp

@@ -140,10 +140,13 @@ void PreviewCommand::onExecute(Context* context)
     // Render sprite and leave the result in 'render' variable
     if (render == NULL) {
       RenderEngine renderEngine(document, sprite,
-                                editor->getLayer(),
-                                editor->getFrame());
-      render.reset(renderEngine.renderSprite(0, 0, sprite->getWidth(), sprite->getHeight(),
-                                             editor->getFrame(), 0, false));
+        editor->getLayer(),
+        editor->getFrame());
+
+      render.reset(
+        renderEngine.renderSprite(
+          0, 0, sprite->getWidth(), sprite->getHeight(),
+          editor->getFrame(), 0, false, false));
     }
 
     // Redraw the screen

src/app/ui/editor/editor.cpp

@@ -387,7 +387,8 @@ void Editor::drawOneSpriteUnclippedRect(ui::Graphics* g, const gfx::Rect& rc, in
     try {
       rendered.reset(renderEngine.renderSprite(
           source_x, source_y, width, height,
-          m_frame, m_zoom, true));
+          m_frame, m_zoom, true,
+          ((m_flags & kShowOnionskin) == kShowOnionskin)));
     }
     catch (const std::exception& e) {
       Console::showException(e);

src/app/ui/editor/editor.h

@@ -67,7 +67,8 @@ namespace app {
       kNoneFlag = 0,
       kShowGridFlag = 1,
       kShowMaskFlag = 2,
-      kDefaultEditorFlags = kShowGridFlag | kShowMaskFlag,
+      kShowOnionskin = 4,
+      kDefaultEditorFlags = kShowGridFlag | kShowMaskFlag | kShowOnionskin,
     };
 
     enum ZoomBehavior {

src/app/util/render.cpp

@@ -1,5 +1,5 @@
 /* Aseprite
- * Copyright (C) 2001-2013  David Capello
+ * Copyright (C) 2001-2014  David Capello
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -376,9 +376,10 @@ void RenderEngine::setPreviewImage(const Layer* layer, Image* image)
    zoom applied (sorce_x<<zoom, source_y<<zoom, width<<zoom, etc.)
  */
 Image* RenderEngine::renderSprite(int source_x, int source_y,
-                                  int width, int height,
-                                  FrameNumber frame, int zoom,
-                                  bool draw_tiled_bg)
+  int width, int height,
+  FrameNumber frame, int zoom,
+  bool draw_tiled_bg,
+  bool enable_onionskin)
 {
   void (*zoomed_func)(Image*, const Image*, const Palette*, int, int, int, int, int);
   const LayerImage* background = m_sprite->getBackgroundLayer();
@@ -421,7 +422,7 @@ Image* RenderEngine::renderSprite(int source_x, int source_y,
   IDocumentSettings* docSettings = UIContext::instance()
     ->getSettings()->getDocumentSettings(m_document);
 
-  if (docSettings->getUseOnionskin()) {
+  if (enable_onionskin & docSettings->getUseOnionskin()) {
     // Draw background layer of the current frame with opacity=255
     global_opacity = 255;
     renderLayer(m_sprite->getFolder(), image,

src/app/util/render.h

@@ -69,9 +69,10 @@ namespace app {
     // Main function used by sprite-editors to render the sprite
 
     Image* renderSprite(int source_x, int source_y,
-                        int width, int height,
-                        FrameNumber frame, int zoom,
-                        bool draw_tiled_bg);
+      int width, int height,
+      FrameNumber frame, int zoom,
+      bool draw_tiled_bg,
+      bool enable_onionskin);
 
     //////////////////////////////////////////////////////////////////////
     // Extra functions