修改image映像的資料

{<br />//臨時映像<br />Bitmap* lpImage = Bitmap::FromFile(_T("E://work//src//MiniVideo//final//Skin//setting_btn2.png"));<br />Bitmap * lpImage_real = Bitmap::FromFile(_T("E://work//src//MiniVideo//final//Skin//setting_btn.png"));</p><p>Graphics * lpGraphics = Graphics::FromImage(lpImage);</p><p>ColorMatrixlColrMatrix = {<br />1,0,0,0,0,<br />0,1,0,0,0,<br />0,0,1,0,0,<br />0,0,0,1,0,<br />0,0.6,0,0,1<br />};</p><p>//儲存真實映像經過Matrix處理後的映像<br />ImageAttributeslAttr;<br />lAttr.SetColorMatrix(&lColrMatrix);<br />lpGraphics->DrawImage(lpImage_real, Rect(0, 0, lpImage_real->GetWidth(), lpImage_real->GetHeight()), 0, 0, lpImage_real->GetWidth(), lpImage_real->GetHeight(), UnitPixel, &lAttr);</p><p>//由於臨時 lpImage 對象比較大, 對齊進行裁剪, 裁剪後的對象是 bmPhoto<br />Bitmap * bmPhoto = new Bitmap(lpImage_real->GetWidth(), lpImage_real->GetHeight());<br />Graphics grPhoto(bmPhoto);<br />grPhoto.Clear(Color(0, 0,0,0));//用透明色初始化<br />grPhoto.SetInterpolationMode(InterpolationModeHighQualityBicubic);<br />grPhoto.DrawImage(lpImage, Rect(0,0,bmPhoto->GetWidth(), bmPhoto->GetHeight()), 0,0,bmPhoto->GetWidth(), bmPhoto->GetHeight(), UnitPixel);<br />delete lpImage;//刪除無用檔案</p><p>//測試裁剪後的對象， 輸出到螢幕上<br />CWindowDCldc(NULL);<br />Graphicslgraphics(ldc);<br />lgraphics.DrawImage(bmPhoto, Rect(0, 0, bmPhoto->GetWidth(), bmPhoto->GetHeight()), 0, 0, bmPhoto->GetWidth(), bmPhoto->GetHeight(), UnitPixel/*, &lAttr*/);</p><p>delete lpImage_real;<br />delete bmPhoto;<br />}<br />