//-----------------------------------------------------------------------------
// Torque Game Engine
// Copyright (c) 2002 GarageGames.Com
//-----------------------------------------------------------------------------

#include "gui/core/guiControl.h"
#include "dgl/dgl.h"

/// Renders a skinned border.
class GuiBitmapBorderCtrl : public GuiControl
{
   typedef GuiControl Parent;

   enum {
      BorderTopLeft,
      BorderTopRight,
      BorderTop,
      BorderLeft,
      BorderRight,
      BorderBottomLeft,
      BorderBottom,
      BorderBottomRight,
      NumBitmaps
   };
	RectI *mBitmapBounds;  ///< bmp is [3*n], bmpHL is [3*n + 1], bmpNA is [3*n + 2]
   TextureHandle mTextureHandle;
public:
   bool onWake();
   void onSleep();
   void onRender(Point2I offset, const RectI &updateRect);
   DECLARE_CONOBJECT(GuiBitmapBorderCtrl);
};

IMPLEMENT_CONOBJECT(GuiBitmapBorderCtrl);

bool GuiBitmapBorderCtrl::onWake()
{
   if (! Parent::onWake())
      return false;

   //get the texture for the close, minimize, and maximize buttons
   mTextureHandle = mProfile->mTextureHandle;
   bool result = mProfile->constructBitmapArray() >= NumBitmaps;
   AssertFatal(result, "Failed to create the bitmap array");
   if(!result)
      return false;

   mBitmapBounds = mProfile->mBitmapArrayRects.address();
   return true;
}

void GuiBitmapBorderCtrl::onSleep()
{
   mTextureHandle = NULL;
   Parent::onSleep();
}

void GuiBitmapBorderCtrl::onRender(Point2I offset, const RectI &updateRect)
{
   renderChildControls( offset, updateRect );
   dglSetClipRect(updateRect);

   //draw the outline
   RectI winRect;
   winRect.point = offset;
   winRect.extent = mBounds.extent;

	winRect.point.x += mBitmapBounds[BorderLeft].extent.x;
	winRect.point.y += mBitmapBounds[BorderTop].extent.y;

   winRect.extent.x -= mBitmapBounds[BorderLeft].extent.x + mBitmapBounds[BorderRight].extent.x;
   winRect.extent.y -= mBitmapBounds[BorderTop].extent.y + mBitmapBounds[BorderBottom].extent.y;

   if(mProfile->mOpaque)
      dglDrawRectFill(winRect, mProfile->mFillColor);

   dglClearBitmapModulation();
   dglDrawBitmapSR(mTextureHandle, offset, mBitmapBounds[BorderTopLeft]);
   dglDrawBitmapSR(mTextureHandle, Point2I(offset.x + mBounds.extent.x - mBitmapBounds[BorderTopRight].extent.x, offset.y),
                   mBitmapBounds[BorderTopRight]);

   RectI destRect;
   destRect.point.x = offset.x + mBitmapBounds[BorderTopLeft].extent.x;
   destRect.point.y = offset.y;
   destRect.extent.x = mBounds.extent.x - mBitmapBounds[BorderTopLeft].extent.x - mBitmapBounds[BorderTopRight].extent.x;
	destRect.extent.y = mBitmapBounds[BorderTop].extent.y;
   RectI stretchRect = mBitmapBounds[BorderTop];
   stretchRect.inset(1,0);
   dglDrawBitmapStretchSR(mTextureHandle, destRect, stretchRect);

   destRect.point.x = offset.x;
   destRect.point.y = offset.y + mBitmapBounds[BorderTopLeft].extent.y;
   destRect.extent.x = mBitmapBounds[BorderLeft].extent.x;
   destRect.extent.y = mBounds.extent.y - mBitmapBounds[BorderTopLeft].extent.y - mBitmapBounds[BorderBottomLeft].extent.y;
   stretchRect = mBitmapBounds[BorderLeft];
   stretchRect.inset(0,1);
   dglDrawBitmapStretchSR(mTextureHandle, destRect, stretchRect);

   destRect.point.x = offset.x + mBounds.extent.x - mBitmapBounds[BorderRight].extent.x;
   destRect.extent.x = mBitmapBounds[BorderRight].extent.x;
   destRect.point.y = offset.y + mBitmapBounds[BorderTopRight].extent.y;
   destRect.extent.y = mBounds.extent.y - mBitmapBounds[BorderTopRight].extent.y - mBitmapBounds[BorderBottomRight].extent.y;

	stretchRect = mBitmapBounds[BorderRight];
   stretchRect.inset(0,1);
   dglDrawBitmapStretchSR(mTextureHandle, destRect, stretchRect);

   dglDrawBitmapSR(mTextureHandle, offset + Point2I(0, mBounds.extent.y - mBitmapBounds[BorderBottomLeft].extent.y), mBitmapBounds[BorderBottomLeft]);
   dglDrawBitmapSR(mTextureHandle, offset + mBounds.extent - mBitmapBounds[BorderBottomRight].extent, mBitmapBounds[BorderBottomRight]);

   destRect.point.x = offset.x + mBitmapBounds[BorderBottomLeft].extent.x;
   destRect.extent.x = mBounds.extent.x - mBitmapBounds[BorderBottomLeft].extent.x - mBitmapBounds[BorderBottomRight].extent.x;

   destRect.point.y = offset.y + mBounds.extent.y - mBitmapBounds[BorderBottom].extent.y;
   destRect.extent.y = mBitmapBounds[BorderBottom].extent.y;
   stretchRect = mBitmapBounds[BorderBottom];
   stretchRect.inset(1,0);

   dglDrawBitmapStretchSR(mTextureHandle, destRect, stretchRect);
}