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EVC下實現WinCE軟件換膚之換膚基礎類CBitmapSK

由于在wince下不支持hook，所以對ce下的軟件換膚，會很慧心，不過，曾經看到過一個國外的網站上有pocket下實現hook的代碼，沒讀懂，呵呵，自己太水了,這就涉及到另外一個問題了，還沒有找到實現hook的方法，所有要另外想辦法了，所以不管怎么樣都要重寫控件，參考了一些VC實現的換膚，在此實現了基本類CBitmapSK。其中有個郁悶的地方是evc對CRgn支持的不全面，對任意形狀的窗口實現有些麻煩，所以有個重要的函數不能實現，要想其他的辦法實現，
//////////////////////////////////////////////////////////////////////
//
// BaseSK.h: interface for the CBitmapSK class.
//
// writer : erran
//
// time: 2006-03-10
//
//////////////////////////////////////////////////////////////////////

class CBitmapSK : public CBitmap
{
public:

CBitmapSK();
virtual ~CBitmapSK();

//load bitmap by resource file path
BOOL LoadBitmapEx(LPCTSTR lpszFileName);

//load bitmap by resource name or ID
BOOL LoadBitmapEx(LPCTSTR lpszResourceName, UINT nIDResource);

//attaches a hBitmap to a CBitmap object.
BOOL Attach(HBITMAP hbmp)
{
     return CBitmap::Attach(hbmp);
}

void Size(int &width, int &height)
{
    BITMAP bm;
    memset(&bm, 0, sizeof(bm));
    CBitmap::GetBitmap(&bm);
    width = bm.bmWidth;
    height = bm.bmHeight;
}

//bitmap width
int Width(void)
{
    BITMAP bm;
    memset(&bm, 0, sizeof(bm));
    CBitmap::GetBitmap(&bm);
    return bm.bmWidth;
}

//bitmap height
int Height()
{
    BITMAP bm;
    memset(&bm, 0, sizeof(bm));
    CBitmap::GetBitmap(&bm);
    return bm.bmHeight;
}

/////// src(bmp) ---> Des(pDC)

//draw current bitmap to device(pDC rect(lpr))
BOOL Draw(CDC *pDC, LPRECT lprDes);
//draw current bitmap to device(pDC rect(lpr)) , transparent
BOOL Draw(CDC *pDC, LPRECT lprDes, COLORREF crTrans, BOOL isTrans);

//draw sub bitmap(the rect lprSrc of current bitmap) to special point( the begin point (x,y) of pDC device)
BOOL Draw(CDC *pDC, int x, int y, LPRECT lprSrc);
//draw sub bitmap to special point
BOOL Draw(CDC *pDC, int x, int y, LPRECT lprSrc, COLORREF crTrans, BOOL isTrans);

BOOL Fill(CDC *pDC, LPRECT lprDes);
BOOL Fill(CDC *pDC, LPRECT lprDes, COLORREF crTrans, BOOL isTrans);

BOOL Fill(CDC *pDC, LPRECT lprDes, LPRECT lprSrc);
BOOL Fill(CDC *pDC, LPRECT lprDes, LPRECT lprSrc, COLORREF crTrans, BOOL isTrans);

//Drawing Transparent Bitmaps,Copies a bitmap transparently onto the destination DC
BOOL TransparentDraw(CDC * pDC, int x, int y, COLORREF crColour);

//Copies a bitmap from a source rectangle into a destination rectangle,
//stretching or compressing the bitmap if necessary to fit the dimensions of the destination rectangle.
BOOL StretchDraw(CDC *pDC, LPRECT lprDes, LPRECT lprSrc);
//Copies a bitmap from a source rectangle into a destination rectangle,
//stretching or compressing the bitmap if necessary to fit the dimensions of the destination rectangle.
BOOL StretchDraw(CDC *pDC, LPRECT lprSrc);

//make a region from bitmap, It will show as a window ::: faulse function :::
//HRGN CreateRegion(COLORREF crColour, BOOL isTrans = TRUE);

};

////for class CBitmapSK

CBitmapSK::CBitmapSK()
{

}

CBitmapSK::~CBitmapSK()
{

}

BOOL CBitmapSK::LoadBitmapEx(LPCTSTR lpszFileName)
{
DeleteObject();

ASSERT(m_hObject==NULL);

HBITMAP hBitmap = NULL;

hBitmap = (HBITMAP)::LoadImage(0, lpszFileName, IMAGE_BITMAP, 0, 0, 0);

if(hBitmap == NULL) return FALSE;

return CBitmap::Attach(hBitmap);
}

BOOL CBitmapSK::LoadBitmapEx(LPCTSTR lpszResourceName, UINT nIDResource)
{
DeleteObject();

   ASSERT(m_hObject==NULL);

   if (lpszResourceName != NULL)
{
    return CBitmap::LoadBitmap(lpszResourceName);
}

if (nIDResource != 0)
{
return CBitmap::LoadBitmap(nIDResource);
}

return FALSE;
}

BOOL CBitmapSK::Draw(CDC *pDC, LPRECT lprDes)
{
ASSERT(pDC!=NULL);

CDC dc;

dc.CreateCompatibleDC(pDC);

CBitmap *bmp = dc.SelectObject(this);

pDC->BitBlt(lprDes->left, lprDes->top,
lprDes->right - lprDes->left, lprDes->bottom - lprDes->top,
&dc, 0, 0, SRCCOPY);

dc.SelectObject(bmp);

dc.DeleteDC();
bmp = NULL;

return TRUE;
}

BOOL CBitmapSK::Draw(CDC *pDC, LPRECT lprDes, COLORREF crTrans, BOOL isTrans)
{
ASSERT(pDC!=NULL);

  if (!isTrans)
{
   return Draw(pDC, lprDes);
}
else
{
    return TransparentBitBlt(pDC->GetSafeHdc(),
             lprDes->left,lprDes->top,Width(),Height(),
             (HBITMAP)this->GetSafeHandle(),0,0,crTrans,NULL);
}
}

BOOL CBitmapSK::Draw( CDC *pDC, int x, int y, LPRECT lprSrc)
{
ASSERT(pDC!=NULL);

CDC dc;

dc.CreateCompatibleDC(pDC);

CBitmap *pOldbmp = dc.SelectObject(this);

   if (lprSrc != NULL)
   {
     //Copies a bitmap from the source device context to this current device context
     pDC->BitBlt(x, y, lprSrc->right - lprSrc->left, lprSrc->bottom - lprSrc->top,
               &dc, lprSrc->left, lprSrc->top, SRCCOPY);
   }
   else
   {
     pDC->BitBlt(x, y, Width(), Height(), &dc, 0, 0, SRCCOPY);
   }

   dc.SelectObject(pOldbmp);
   dc.DeleteDC();
   pOldbmp = NULL;

return TRUE;
}

BOOL CBitmapSK::Draw( CDC *pDC, int x, int y, LPRECT lprSrc, COLORREF crTrans, BOOL isTrans)
{
ASSERT(pDC!=NULL);

    if (!isTrans)
   {
     return Draw(pDC, x, y, lprSrc);
    }
   else
{
    return TransparentBitBlt(pDC->GetSafeHdc(), x, y, lprSrc->right - lprSrc->left, lprSrc->bottom - lprSrc->top,
         (HBITMAP)this->GetSafeHandle(), lprSrc->left, lprSrc->top, crTrans, NULL );
  }
}

BOOL CBitmapSK::Fill(CDC *pDC, LPRECT lprDes, LPRECT lprSrc)
{
ASSERT(pDC!=NULL);

   int widthDes, widthSrc, heightDes, heightSrc;
   widthDes = abs(lprDes->right - lprDes->left);
   widthSrc = abs(lprSrc->right - lprSrc->left);
   heightDes = abs(lprDes->bottom - lprDes->top);
   heightSrc = abs(lprSrc->bottom - lprSrc->top);

   int paddingx, paddingy, i, j;
   paddingx = int(widthDes / widthSrc);
   paddingy = int(heightDes / heightSrc);

   CDC dc;
   dc.CreateCompatibleDC(pDC);
   CBitmap *pOldbmp = dc.SelectObject(this);

   if (widthDes <= widthSrc)
{
    if (heightDes <= heightSrc)
   {
      Draw(pDC, lprDes);
    }
else
   {
     for (i=1; i<paddingy; i++)
     {
        pDC->BitBlt(lprDes->left, lprDes->top + heightSrc*(i-1), widthDes, heightSrc,&dc, lprSrc->left, lprSrc->top, SRCCOPY);
     }
     pDC->BitBlt(lprDes->left,lprDes->top + heightSrc*(i-1), widthDes, heightDes - heightSrc*(i-1), &dc, lprSrc->left, lprSrc->top, SRCCOPY);
   }
}
else
{
   if (heightDes <= heightSrc)
   {
      for (i=1; i<paddingx; i++)
     {
         pDC->BitBlt(lprDes->left + widthSrc*(i-1), lprDes->top, widthSrc, heightDes, &dc, lprSrc->left, lprSrc->top, SRCCOPY);
     }
     pDC->BitBlt(lprDes->left + widthSrc*(i-1), lprDes->top, widthDes - widthSrc*(i-1), heightDes, &dc, lprSrc->left, lprSrc->top, SRCCOPY);
   }
   else
   {
     for (j=1; j<=paddingy; j++)
    {
       for (i=1; i<=paddingx; i++)
       {
           pDC->BitBlt(lprDes->left + widthSrc*(i-1),lprDes->top + heightSrc*(j-1), widthSrc, heightSrc, &dc, lprSrc->left, lprSrc->top, SRCCOPY);
       }
     pDC->BitBlt(lprDes->left + widthSrc*(i-1), lprDes->top + heightSrc*(j-1),widthDes - widthSrc*(i-1), heightSrc, &dc, lprSrc->left, lprSrc->top, SRCCOPY);
    }
   }
   for (i=1; i<=paddingx; i++)
   {
      pDC->BitBlt(lprDes->left + widthSrc*(i-1), lprDes->top + heightSrc*(j-1), widthSrc, heightDes - heightSrc*(j-1), &dc, lprSrc->left, lprSrc->top, SRCCOPY);
   }
   pDC->BitBlt(lprDes->left + widthSrc*(i-1), lprDes->top + heightSrc*(j-1),  widthDes - widthSrc*(i-1),
      heightDes - heightSrc*(j-1), &dc, lprSrc->left, lprSrc->top, SRCCOPY);
  }

dc.SelectObject(pOldbmp);
dc.DeleteDC();
pOldbmp = NULL;

return TRUE;
}

BOOL CBitmapSK::TransparentDraw(CDC * pDC, int x, int y, COLORREF crTrans)
{
ASSERT(pDC!=NULL);

return TransparentBitBlt(pDC->GetSafeHdc(), x, y, Width(), Height(), (HBITMAP)this->GetSafeHandle(),
0, 0, crTrans, NULL );
}

BOOL CBitmapSK::StretchDraw(CDC *pDC, LPRECT lprDes, LPRECT lprSrc)
{
ASSERT(pDC!=NULL);

if(lprDes == NULL) return FALSE;

CDC dc;
dc.CreateCompatibleDC(pDC);
CBitmap *pOldbmp = dc.SelectObject(this);

//SetStretchBltMode(pDC->GetSafeHdc(), COLORONCOLOR);

if(!lprSrc)
{
  pDC->StretchBlt(lprDes->left, lprDes->top, lprDes->right,  lprDes->bottom,  &dc,  0, 0,  Width(),  Height(), SRCCOPY);
}
else
{
  pDC->StretchBlt(lprDes->left, lprDes->top, lprDes->right - lprDes->left, lprDes->bottom - lprDes->top,
      &dc, lprSrc->left, lprSrc->top, lprSrc->right - lprSrc->left, lprSrc->bottom - lprSrc->top,SRCCOPY);
}

dc.SelectObject(pOldbmp);
dc.DeleteDC();
pOldbmp = NULL;

return TRUE;
}

BOOL CBitmapSK::StretchDraw(CDC *pDC, LPRECT lprSrc)
{
ASSERT(pDC!=NULL);

CDC dc;
dc.CreateCompatibleDC(pDC);
CBitmap *pOldbmp = dc.SelectObject(this);

pDC->StretchBlt(lprSrc->left, lprSrc->top, lprSrc->right, lprSrc->bottom, &dc,
0, 0, Width(), Height(), SRCCOPY);

dc.SelectObject(pOldbmp);
dc.DeleteDC();
pOldbmp = NULL;

return TRUE;
}

使用這個類實現了對話筐的換膚，測試還行。

暫時還沒發現ce下的換膚第三方控件，見過最好的也就是那個CCeButton了，還是在EVC3.0下開發的。。。

posted on 2006-12-26 21:45 erran 閱讀(2749) 評論(2) 編輯收藏引用所屬分類: WinCE

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# re: EVC下實現WinCE軟件換膚之換膚基礎類CBitmapSK 2007-06-20 01:26 落花飄逸

呀，這是你自己寫的？該不會是偷我的吧，HOHO~
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# re: EVC下實現WinCE軟件換膚之換膚基礎類CBitmapSK[未登錄] 2007-06-20 10:38 erran

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