Initial Commit

common/BMDATA.CPP

@@ -0,0 +1,74 @@
+#include <common/bmdata.hpp>
+
+void BitmapData::cleanupData(void)
+{
+	if(mhGlobalBitmapData&&Delete==mDataDisposition)
+	{
+		::GlobalUnlock(mhGlobalBitmapData);
+		::GlobalFree(mhGlobalBitmapData);
+	}
+	mhGlobalBitmapData=0;
+  mlpBitmapData=0;
+}
+
+void BitmapData::cleanupInfo(void)
+{
+	if(mhGlobalBitmapInfo&&Delete==mInfoDisposition)
+	{
+    ::GlobalUnlock(mhGlobalBitmapInfo);
+		::GlobalFree(mhGlobalBitmapInfo);
+	}
+	mhGlobalBitmapInfo=0;
+  mlpBitmapInfo=0;
+}
+
+UHUGE *BitmapData::reserveData(LONG sizeData)
+{
+	cleanupData();
+	if(!sizeData)return 0; 
+	mhGlobalBitmapData=::GlobalAlloc(GMEM_FIXED,sizeData);
+	if(!mhGlobalBitmapData)return 0;
+	mlpBitmapData=(UHUGE*)::GlobalLock(mhGlobalBitmapData);
+  mDataDisposition=Delete;
+  return mlpBitmapData;
+}
+
+BITMAPINFO *BitmapData::reserveInfo(LONG sizeInfo,WORD numColors)
+{
+	cleanupInfo();
+	if(!sizeInfo)mhGlobalBitmapInfo=::GlobalAlloc(GMEM_FIXED,sizeof(BITMAPINFO)+(sizeof(RGBQUAD)*(numColors-1)));
+  else mhGlobalBitmapInfo=::GlobalAlloc(GMEM_FIXED,sizeInfo); 
+  if(!mhGlobalBitmapInfo)return 0;
+	mlpBitmapInfo=(BITMAPINFO FAR*)::GlobalLock(mhGlobalBitmapInfo);
+	mInfoDisposition=Delete;
+  return mlpBitmapInfo;
+}
+
+WORD BitmapData::setData(UHUGE *lpBitmapData)
+{
+	cleanupData();
+	if(!lpBitmapData)return FALSE;
+	mlpBitmapData=lpBitmapData;
+	mDataDisposition=Keep;
+  return TRUE;
+}
+
+WORD BitmapData::setData(HGLOBAL hGlobalData,UHUGE *lpBitmapData)
+{
+	cleanupData();
+	if(!hGlobalData||!lpBitmapData)return 0;
+	mlpBitmapData=lpBitmapData;
+  mhGlobalBitmapData=hGlobalData;
+	mDataDisposition=Delete;
+  return TRUE;
+}
+
+WORD BitmapData::setInfo(BITMAPINFO FAR*lpBitmapInfo)
+{
+	cleanupInfo();
+	if(!lpBitmapInfo)return FALSE;
+	mlpBitmapInfo=lpBitmapInfo;
+	mInfoDisposition=Keep;
+  return TRUE;
+}
+