Initial commit

nkosrc4/Neko98/DesktopPet.cpp

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+// DesktopPet.cpp: implementation of the CDesktopPet class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "DesktopPet.h"
+
+//constants
+#define UPDATE_COUNTER_MAX 50 //number of redraws until desktop handle is recalculated
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+CDesktopPet::CDesktopPet() : CDesktopHack(), CPet()
+{
+	//clear the update counter
+	m_nUpdateHWndCounter = 0;
+
+	//set bounds
+	GetDesktopRect( m_rcBounds );
+}
+
+CDesktopPet::~CDesktopPet()
+{
+	RedrawWindow( m_hWndDesktop, NULL, NULL, RDW_INVALIDATE|RDW_ERASE );
+}
+
+
+
+//////////////////////////////////////////////////////////////////////
+// Member Functions
+//////////////////////////////////////////////////////////////////////
+
+void CDesktopPet::Draw( int nImage )
+{
+	//grab the device context of the desktop
+	HDC hDC = GetDC( m_hWndDesktop );
+	
+	//draw the icon on it
+    DrawIconEx( hDC, m_ptPosition.x, m_ptPosition.y, m_hIcons[nImage], m_sizeImage.cx, m_sizeImage.cy, 0, NULL, DI_NORMAL );
+
+	//release the device context
+    ReleaseDC( m_hWndDesktop, hDC );
+
+	//increment the update counter and update if required
+	if( ++m_nUpdateHWndCounter > UPDATE_COUNTER_MAX )
+	{
+		FindDesktopHandle();
+		GetDesktopRect( m_rcBounds );
+	}
+}
+
+void CDesktopPet::Erase()
+{
+	//set up rect to be erased
+    RECT rcErase = { m_ptOldPosition.x, m_ptOldPosition.y, 
+                     m_ptOldPosition.x + m_sizeImage.cx, m_ptOldPosition.y + m_sizeImage.cy };
+
+	//invalidate it and tell it to update
+    InvalidateRect( m_hWndDesktop, &rcErase, TRUE ); 
+	UpdateWindow( m_hWndDesktop );
+}
+
+void CDesktopPet::DrawOnTarget( int x, int y, HICON hIcon )
+{
+    //grab the device context of the desktop
+    HDC hDC = GetDC( m_hWndDesktop );
+
+    //draw the icon on it
+    DrawIconEx( hDC, x, y, hIcon, 0, 0, 0, NULL, DI_NORMAL );
+
+    //release the device context
+    ReleaseDC( m_hWndDesktop, hDC );
+}
+