Initial

mdiwin/RESIZE.CPP

@@ -0,0 +1,59 @@
+#include <mdiwin/resize.hpp>
+#include <mdiwin/main.hpp>
+
+Resize::Resize(int width,int height, const RECT &copyRect,HGLOBAL hGlobalImage)
+: mIsCopyRect(TRUE), mCopyRect(copyRect), mhGlobalImage(hGlobalImage),
+	mOldWidth(width), mOldHeight(height), mNewWidth((copyRect.right-copyRect.left)+1),
+	mNewHeight((copyRect.bottom-copyRect.top)+1)
+{
+}
+
+Resize::Resize(int width,int height,int newWidth, int newHeight, HGLOBAL hGlobalImage)
+: mIsCopyRect(FALSE), mhGlobalImage(hGlobalImage), mOldWidth(width),
+	mOldHeight(height), mNewWidth(newWidth), mNewHeight(newHeight)
+{
+}
+
+Resize::~Resize()
+{
+}
+
+HGLOBAL Resize::resizeImage(void)
+{
+  HGLOBAL hGlobalTemp;
+	HGLOBAL hGlobalCopy;
+	HGLOBAL hGlobalRegion;
+	UHUGE *ptrCopy;
+	UHUGE *ptrImage;
+	UHUGE *ptrRegion;
+	UHUGE *ptrTemp;
+	int destRow;
+	int srcRow;
+	Index i;
+
+	if(!mhGlobalImage)return mhGlobalImage;
+	if(!mIsCopyRect)::SetRect(&mCopyRect,0,0,mNewWidth-1,mNewHeight-1);
+	if(mCopyRect.right>=mOldWidth || mCopyRect.bottom>=mOldHeight)return FALSE;
+	hGlobalCopy=::GlobalAlloc(GMEM_FIXED,(LONG)mOldWidth*(LONG)mOldHeight);
+	if(!hGlobalCopy)return hGlobalCopy;
+	ptrCopy=(UHUGE *)::GlobalLock(hGlobalCopy);
+	ptrImage=(UHUGE *)::GlobalLock(mhGlobalImage);
+	for(i=0;i<mOldHeight;i++)
+		Main::hmemcpy(ptrCopy+(i*(LONG)mOldWidth),(ptrImage+((LONG)mOldHeight-i)*(LONG)mOldWidth)-(LONG)mOldWidth,mOldWidth);
+	::GlobalUnlock(mhGlobalImage);
+	hGlobalRegion=::GlobalAlloc(GMEM_FIXED,((LONG)mNewWidth*(LONG)mNewHeight));
+	ptrRegion=(UHUGE *)::GlobalLock(hGlobalRegion);
+	for(destRow=0,srcRow=mCopyRect.top;srcRow<=mCopyRect.bottom;srcRow++,destRow++)
+		Main::hmemcpy(ptrRegion+((LONG)destRow*(LONG)mNewWidth),
+			ptrCopy+((LONG)srcRow*(LONG)mOldWidth)+(LONG)mCopyRect.left,(LONG)mNewWidth);
+	::GlobalUnlock(hGlobalCopy);
+	::GlobalFree(hGlobalCopy);
+	hGlobalTemp=::GlobalAlloc(GMEM_FIXED,(LONG)mNewWidth*(LONG)mNewHeight);
+	ptrTemp=(UHUGE *)::GlobalLock(hGlobalTemp);
+	for(i=0;i<(LONG)mNewHeight;i++)
+		Main::hmemcpy(ptrTemp+(i*(LONG)mNewWidth),(ptrRegion+((LONG)mNewHeight-i)*(LONG)mNewWidth)-(LONG)mNewWidth,(LONG)mNewWidth);
+	::GlobalUnlock(hGlobalRegion);
+	::GlobalFree(hGlobalRegion);
+	::GlobalUnlock(hGlobalTemp);
+	return hGlobalTemp;
+}