Removed useless yet costly dynamic casts.

17 files changed, 44 insertions, 73 deletions

diff --git a/src/gui/browserbox.cpp b/src/gui/browserbox.cpp
index 65fdde64..4a3f2f64 100644
--- a/src/gui/browserbox.cpp
+++ b/src/gui/browserbox.cpp
@@ -104,7 +104,7 @@ void BrowserBox::addRow(const std::string &row)
     std::string newRow;
     BROWSER_LINK bLink;
     int idx1, idx2, idx3;
-    gcn::ImageFont *font = dynamic_cast<gcn::ImageFont*>(getFont());
+    gcn::ImageFont *font = static_cast<gcn::ImageFont*>(getFont());
 
     // Use links and user defined colors
     if (mUseLinksAndUserColors)
@@ -294,7 +294,7 @@ BrowserBox::draw(gcn::Graphics *graphics)
     unsigned int i, j;
     int x = 0, y = 0;
     int wrappedLines = 0;
-    gcn::ImageFont *font = dynamic_cast<gcn::ImageFont*>(getFont());
+    gcn::ImageFont *font = static_cast<gcn::ImageFont*>(getFont());
 
     graphics->setColor(BLACK);
     for (i = 0; i < mTextRows.size(); i++)
diff --git a/src/gui/button.cpp b/src/gui/button.cpp
index e607b66a..83d4657c 100644
--- a/src/gui/button.cpp
+++ b/src/gui/button.cpp
@@ -111,9 +111,8 @@ Button::draw(gcn::Graphics *graphics)
         mode = 0;
     }
 
-    dynamic_cast<Graphics*>(graphics)->drawImageRect(0, 0,
-                                                     getWidth(), getHeight(),
-                                                     button[mode]);
+    static_cast<Graphics*>(graphics)->
+        drawImageRect(0, 0, getWidth(), getHeight(), button[mode]);
 
     graphics->setColor(getForegroundColor());
 
diff --git a/src/gui/checkbox.cpp b/src/gui/checkbox.cpp
index ec7eb578..fab4780c 100644
--- a/src/gui/checkbox.cpp
+++ b/src/gui/checkbox.cpp
@@ -66,7 +66,7 @@ CheckBox::~CheckBox()
 
 void CheckBox::drawBox(gcn::Graphics* graphics)
 {
-    Image *box = NULL;
+    Image *box;
 
     if (mMarked) {
         if (isEnabled()) {
@@ -80,7 +80,5 @@ void CheckBox::drawBox(gcn::Graphics* graphics)
         box = checkBoxDisabled;
     }
 
-    if (box != NULL) {
-        dynamic_cast<Graphics*>(graphics)->drawImage(box, 2, 2);
-    }
+    static_cast<Graphics*>(graphics)->drawImage(box, 2, 2);
 }
diff --git a/src/gui/equipmentwindow.cpp b/src/gui/equipmentwindow.cpp
index ec84491e..1ae887bc 100644
--- a/src/gui/equipmentwindow.cpp
+++ b/src/gui/equipmentwindow.cpp
@@ -65,8 +65,8 @@ void EquipmentWindow::draw(gcn::Graphics *graphics)
         }
 
         image = item->getInfo().getImage();
-        dynamic_cast<Graphics*>(graphics)->drawImage(
-                image, 36 * (i % 4) + 10, 36 * (i / 4) + 25);
+        static_cast<Graphics*>(graphics)->
+            drawImage(image, 36 * (i % 4) + 10, 36 * (i / 4) + 25);
     }
 
     graphics->drawRectangle(gcn::Rectangle(160, 25, 32, 32));
@@ -77,7 +77,7 @@ void EquipmentWindow::draw(gcn::Graphics *graphics)
 
     image = item->getInfo().getImage();
 
-    dynamic_cast<Graphics*>(graphics)->drawImage(image, 160, 25);
+    static_cast<Graphics*>(graphics)->drawImage(image, 160, 25);
     graphics->drawText(toString(item->getQuantity()), 170, 62,
             gcn::Graphics::CENTER);
 }
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index b9b15429..8f1cc7f4 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -213,9 +213,8 @@ Gui::draw()
     if ((SDL_GetAppState() & SDL_APPMOUSEFOCUS || button & SDL_BUTTON(1))
             && mCustomCursor)
     {
-        dynamic_cast<Graphics*>(mGraphics)->drawImage(mMouseCursor,
-                                                      mouseX - 5,
-                                                      mouseY - 2);
+        static_cast<Graphics*>(mGraphics)->
+            drawImage(mMouseCursor, mouseX - 5, mouseY - 2);
     }
 
     mGraphics->popClipArea();
diff --git a/src/gui/itemcontainer.cpp b/src/gui/itemcontainer.cpp
index a176f226..0e5bcce9 100644
--- a/src/gui/itemcontainer.cpp
+++ b/src/gui/itemcontainer.cpp
@@ -105,16 +105,13 @@ ItemContainer::draw(gcn::Graphics *graphics)
         // Draw selection image below selected item
         if (mSelectedItem == item)
         {
-            dynamic_cast<Graphics*>(graphics)->drawImage(
-                    mSelImg, itemX, itemY);
+            static_cast<Graphics*>(graphics)->drawImage(mSelImg, itemX, itemY);
         }
 
         // Draw item icon
-        Image* image;
-        if ((image = item->getInfo().getImage()) != NULL)
+        if (Image *image = item->getInfo().getImage())
         {
-            dynamic_cast<Graphics*>(graphics)->drawImage(
-                    image, itemX, itemY);
+            static_cast<Graphics*>(graphics)->drawImage(image, itemX, itemY);
         }
 
         // Draw item caption
diff --git a/src/gui/minimap.cpp b/src/gui/minimap.cpp
index 69c5eb6e..2720225d 100644
--- a/src/gui/minimap.cpp
+++ b/src/gui/minimap.cpp
@@ -72,8 +72,8 @@ void Minimap::draw(gcn::Graphics *graphics)
 
     if (mMapImage != NULL)
     {
-        dynamic_cast<Graphics*>(graphics)->drawImage(
-                mMapImage, getPadding(), getTitleBarHeight());
+        static_cast<Graphics*>(graphics)->
+            drawImage(mMapImage, getPadding(), getTitleBarHeight());
     }
 
     Beings &beings = beingManager->getAll();
diff --git a/src/gui/playerbox.cpp b/src/gui/playerbox.cpp
index fad156f1..95366bee 100644
--- a/src/gui/playerbox.cpp
+++ b/src/gui/playerbox.cpp
@@ -80,7 +80,7 @@ PlayerBox::draw(gcn::Graphics *graphics)
     if (mPlayer)
     {
         // Draw character
-        mPlayer->draw(dynamic_cast<Graphics*>(graphics), 40, 42);
+        mPlayer->draw(static_cast<Graphics*>(graphics), 40, 42);
     }
 }
 
@@ -92,5 +92,5 @@ PlayerBox::drawBorder(gcn::Graphics *graphics)
     w = getWidth() + bs * 2;
     h = getHeight() + bs * 2;
 
-    dynamic_cast<Graphics*>(graphics)->drawImageRect(0, 0, w, h, background);
+    static_cast<Graphics*>(graphics)->drawImageRect(0, 0, w, h, background);
 }
diff --git a/src/gui/popupmenu.cpp b/src/gui/popupmenu.cpp
index c7c77ef4..cc764d35 100644
--- a/src/gui/popupmenu.cpp
+++ b/src/gui/popupmenu.cpp
@@ -124,7 +124,7 @@ void PopupMenu::handleLink(const std::string& link)
         mBeing->getType() == Being::NPC &&
         current_npc == 0)
     {
-        dynamic_cast<NPC*>(mBeing)->talk();
+        static_cast<NPC*>(mBeing)->talk();
     }
 
     // Trade action
diff --git a/src/gui/progressbar.cpp b/src/gui/progressbar.cpp
index 2bdfc856..6d18b2f7 100644
--- a/src/gui/progressbar.cpp
+++ b/src/gui/progressbar.cpp
@@ -93,9 +93,8 @@ void ProgressBar::logic()
 void
 ProgressBar::draw(gcn::Graphics *graphics)
 {
-    dynamic_cast<Graphics*>(graphics)->drawImageRect(0, 0,
-            getWidth(), getHeight(),
-            mBorder);
+    static_cast<Graphics*>(graphics)->
+        drawImageRect(0, 0, getWidth(), getHeight(), mBorder);
 
     // The bar
     if (mProgress > 0)
diff --git a/src/gui/radiobutton.cpp b/src/gui/radiobutton.cpp
index bbebe48f..e318116a 100644
--- a/src/gui/radiobutton.cpp
+++ b/src/gui/radiobutton.cpp
@@ -80,6 +80,6 @@ void RadioButton::drawBox(gcn::Graphics* graphics)
     }
 
     if (box != NULL) {
-        dynamic_cast<Graphics*>(graphics)->drawImage(box, 2, 2);
+        static_cast<Graphics*>(graphics)->drawImage(box, 2, 2);
     }
 }
diff --git a/src/gui/scrollarea.cpp b/src/gui/scrollarea.cpp
index 903ec95d..816f94a8 100644
--- a/src/gui/scrollarea.cpp
+++ b/src/gui/scrollarea.cpp
@@ -228,8 +228,8 @@ void ScrollArea::drawBorder(gcn::Graphics *graphics)
     int h = getHeight() + bs * 2;
 
     if (mOpaque) {
-        dynamic_cast<Graphics*>(graphics)->drawImageRect(0, 0, w, h,
-                                                         background);
+        static_cast<Graphics*>(graphics)->
+            drawImageRect(0, 0, w, h, background);
     }
 }
 
@@ -269,8 +269,8 @@ void ScrollArea::drawButton(gcn::Graphics *graphics, BUTTON_DIR dir)
             break;
     }
 
-    dynamic_cast<Graphics*>(graphics)->drawImage(
-            buttons[dir][state], dim.x, dim.y);
+    static_cast<Graphics*>(graphics)->
+        drawImage(buttons[dir][state], dim.x, dim.y);
 }
 
 void ScrollArea::drawUpButton(gcn::Graphics *graphics)
@@ -313,14 +313,14 @@ void ScrollArea::drawVMarker(gcn::Graphics *graphics)
 {
     gcn::Rectangle dim = getVerticalMarkerDimension();
 
-    dynamic_cast<Graphics*>(graphics)->drawImageRect(
-            dim.x, dim.y, dim.width, dim.height, vMarker);
+    static_cast<Graphics*>(graphics)->
+        drawImageRect(dim.x, dim.y, dim.width, dim.height, vMarker);
 }
 
 void ScrollArea::drawHMarker(gcn::Graphics *graphics)
 {
     gcn::Rectangle dim = getHorizontalMarkerDimension();
 
-    dynamic_cast<Graphics*>(graphics)->drawImageRect(
-            dim.x, dim.y, dim.width, dim.height, vMarker);
+    static_cast<Graphics*>(graphics)->
+        drawImageRect(dim.x, dim.y, dim.width, dim.height, vMarker);
 }
diff --git a/src/gui/slider.cpp b/src/gui/slider.cpp
index 98efc409..f0170a1b 100644
--- a/src/gui/slider.cpp
+++ b/src/gui/slider.cpp
@@ -109,22 +109,22 @@ void Slider::draw(gcn::Graphics *graphics)
     int x = 0;
     int y = (h - hStart->getHeight()) / 2;
 
-    dynamic_cast<Graphics*>(graphics)->drawImage(hStart, x, y);
+    static_cast<Graphics*>(graphics)->drawImage(hStart, x, y);
 
     w -= hStart->getWidth() + hEnd->getWidth();
     x += hStart->getWidth();
 
-    dynamic_cast<Graphics*>(graphics)->drawImagePattern(
-            hMid, x, y, w, hMid->getHeight());
+    static_cast<Graphics*>(graphics)->
+        drawImagePattern(hMid, x, y, w, hMid->getHeight());
 
     x += w;
-    dynamic_cast<Graphics*>(graphics)->drawImage(hEnd, x, y);
+    static_cast<Graphics*>(graphics)->drawImage(hEnd, x, y);
 
     drawMarker(graphics);
 }
 
 void Slider::drawMarker(gcn::Graphics *graphics)
 {
-    dynamic_cast<Graphics*>(graphics)->drawImage(hGrip,
-            getMarkerPosition(), (getHeight() - hGrip->getHeight()) / 2);
+    static_cast<Graphics*>(graphics)->
+       drawImage(hGrip, getMarkerPosition(), (getHeight() - hGrip->getHeight()) / 2);
 }
diff --git a/src/gui/textfield.cpp b/src/gui/textfield.cpp
index adf41a9a..ce7f6d5f 100644
--- a/src/gui/textfield.cpp
+++ b/src/gui/textfield.cpp
@@ -98,5 +98,5 @@ void TextField::drawBorder(gcn::Graphics *graphics)
     w = getWidth() + bs * 2;
     h = getHeight() + bs * 2;
 
-    dynamic_cast<Graphics*>(graphics)->drawImageRect(0, 0, w, h, skin);
+    static_cast<Graphics*>(graphics)->drawImageRect(0, 0, w, h, skin);
 }
diff --git a/src/gui/widgets/dropdown.cpp b/src/gui/widgets/dropdown.cpp
index 0bf0e673..1176ef2a 100644
--- a/src/gui/widgets/dropdown.cpp
+++ b/src/gui/widgets/dropdown.cpp
@@ -145,7 +145,7 @@ void DropDown::draw(gcn::Graphics* graphics)
         graphics->setColor(highlightColor);
         graphics->drawLine(0, h, getWidth(), h);
         graphics->setColor(shadowColor);
-        graphics->drawLine(0, h + 1,getWidth(),h + 1);
+        graphics->drawLine(0, h + 1, getWidth(), h + 1);
     }
 }
 
@@ -156,34 +156,13 @@ void DropDown::drawBorder(gcn::Graphics *graphics)
     w = getWidth() + bs * 2;
     h = getHeight() + bs * 2;
 
-    dynamic_cast<Graphics*>(graphics)->drawImageRect(0, 0, w, h, skin);
+    static_cast<Graphics*>(graphics)->drawImageRect(0, 0, w, h, skin);
 }
 
 void DropDown::drawButton(gcn::Graphics *graphics)
 {
+    int height = mDroppedDown ? mOldH : getHeight();
 
-    unsigned short state = 0;
-    unsigned short dir = 0;
-    gcn::Rectangle dim;
-
-    if (mPushed)
-        state = 1;
-
-    if (mDroppedDown)
-        dir = 1;
-
-    int height;
-        if (mDroppedDown)
-        {
-            height = mOldH;
-        }
-        else
-        {
-            height = getHeight();
-        }
-        int x = getWidth() - height;
-        int y = 0;
-
-    dynamic_cast<Graphics*>(graphics)->drawImage(
-            buttons[dir][state], x, y + 1);
+    static_cast<Graphics*>(graphics)->
+        drawImage(buttons[mDroppedDown][mPushed], getWidth() - height, 1);
 }
diff --git a/src/gui/widgets/resizegrip.cpp b/src/gui/widgets/resizegrip.cpp
index 50a6fce4..6be50f2c 100644
--- a/src/gui/widgets/resizegrip.cpp
+++ b/src/gui/widgets/resizegrip.cpp
@@ -61,5 +61,5 @@ ResizeGrip::~ResizeGrip()
 void
 ResizeGrip::draw(gcn::Graphics *graphics)
 {
-    dynamic_cast<Graphics*>(graphics)->drawImage(gripImage, 0, 0);
+    static_cast<Graphics*>(graphics)->drawImage(gripImage, 0, 0);
 }
diff --git a/src/resources/image.cpp b/src/resources/image.cpp
index 993b0a2b..ad280eeb 100644
--- a/src/resources/image.cpp
+++ b/src/resources/image.cpp
@@ -343,5 +343,5 @@ SubImage::~SubImage()
 
 Image *SubImage::getSubImage(int x, int y, int w, int h)
 {
-    return NULL;
+    return mParent->getSubImage(mBounds.x + x, mBounds.y + y, w, h);
 }