demodoc.cpp

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· C++ 代码 · 共 1,895 行 · 第 1/5 页

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		AfxMessageBox(image->GetLastError());
		delete image;
		image = NULL;
		return FALSE;
	}

	UpdateStatusBar();
	UpdateAllViews(NULL,WM_USER_NEWIMAGE);

	//multiple images (TIFF/ICO)
	if (image->GetNumFrames()>1){
		CString s;
		s.Format("File with %d images. Read all?",image->GetNumFrames());
		if (AfxMessageBox(s,MB_OKCANCEL)==IDOK){
			
			int j; // points to the document name
			for(j=strlen(filename)-1;j>=0;j--){
				if (filename[j]=='\\'){	j++; break;	}
			}
			// create the documents for the other images
			for(int i=1;i<image->GetNumFrames();i++){
				CDemoDoc *NewDoc=(CDemoDoc*)((CDemoApp*)AfxGetApp())->demoTemplate->OpenDocumentFile(NULL);
				if (NewDoc)	{
					CxImage *newImage = new CxImage();
					newImage->SetFrame(i);
					newImage->Load(filename,type);
					NewDoc->image = newImage;
					CString s;
					s.Format("%s (%d)",filename.Mid(j),i+1);
					NewDoc->SetTitle(s);
					NewDoc->UpdateAllViews(NULL,WM_USER_NEWIMAGE);
				}
			}
		}
	}

	// EXIF jpegs
	if (image->GetType() == CXIMAGE_FORMAT_JPG){
		FILE* hfile = fopen(filename,"rb");
		m_exif.DecodeExif(hfile);
		fclose(hfile);
	}

	return TRUE;
}
//////////////////////////////////////////////////////////////////////////////
BOOL CDemoDoc::OnSaveDocument(LPCTSTR lpszPathName) 
{
	CString filename(lpszPathName);
	CString ext(FindExtension(filename));
	ext.MakeLower();
	if (ext == "") return FALSE;

	int type = FindType(ext);
	if (type == CXIMAGE_FORMAT_UNKNOWN) return FALSE;

	if (type == CXIMAGE_FORMAT_GIF && image->GetBpp()>8){
		AfxMessageBox("The image will be saved as a true color GIF!\nThis is ok for CxImage, but not for many other programs.\nFor better compatibility, please use DecreaseBpp to 8 bits or less.",MB_ICONINFORMATION);
	}

	bool retval;
	Stopwatch(0);
	retval = image->Save(filename, type);
	Stopwatch(1);
	UpdateStatusBar();
	if (retval) return TRUE;
	AfxMessageBox(image->GetLastError());

	return FALSE;
}
//////////////////////////////////////////////////////////////////////////////
BOOL CDemoDoc::DoSave(LPCTSTR pszPathName, BOOL bReplace /*=TRUE*/)
{
	if (!image)	return FALSE;

	CString newName = pszPathName;
	BOOL bModified = IsModified();

	BOOL bSaveAs = FALSE;
	if (newName.IsEmpty()) bSaveAs = TRUE;
	else if (!theApp.GetWritableType(image->GetType()))	bSaveAs = TRUE;

	if (bSaveAs){
		newName = m_strPathName;
		if (bReplace && newName.IsEmpty()){
			newName = m_strTitle;
			int iBad = newName.FindOneOf(_T("#%;/\\"));    // dubious filename
			if (iBad != -1)	//newName.ReleaseBuffer(iBad);
				newName = "UntitledImage";

			// append the default suffix if there is one
			if (image->GetType()) newName += theApp.GetExtFromType(image->GetType()).Mid(1,4);
		}

		int nDocType = image->GetType();
		if (!theApp.PromptForFileName(newName, 
			bReplace ? AFX_IDS_SAVEFILE : AFX_IDS_SAVEFILECOPY,
			OFN_HIDEREADONLY | OFN_PATHMUSTEXIST, FALSE, &nDocType))
		{
			return FALSE;       // don't even try to save
		}
	}

	BeginWaitCursor();
	if (!OnSaveDocument(newName)){
		if (pszPathName == NULL){
			// be sure to delete the file
			TRY 
			{
				CFile::Remove(newName);
			}
			CATCH_ALL(e)
			{
				TRACE0("Warning: failed to delete file after failed SaveAs\n");
			}
			END_CATCH_ALL
		}
		EndWaitCursor();
		return FALSE;
	}

	EndWaitCursor();
	if (bReplace) {
		// Reset the title and change the document name
		SetPathName(newName, TRUE);
		ASSERT(m_strPathName == newName); // must be set
	}
	else // SaveCopyAs
	{
		SetModifiedFlag(bModified);
	}
	return TRUE;        // success
}
//////////////////////////////////////////////////////////////////////////////
#define EPSILON (0.0000001)

int CDemoDoc::ComputePixel(float x, float y, float &x1, float &y1)
{
  double r, nn;

  if (x==0 && y==0) {
	 x1 = x;
	 y1 = y;
	 return 1;
  }

  nn = sqrt(x*x + y*y);
  r =  (fabs(x) > fabs(y)) ? fabs(nn/x): fabs(nn/y);

  x1 = (float)(r*x);
  y1 = (float)(r*y);

  return 1;
}
//////////////////////////////////////////////////////////////////////////////
void CDemoDoc::OnUpdateFileSaveAs(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable(!(image==0 || hThread));
}
//////////////////////////////////////////////////////////////////////////////
void CDemoDoc::OnUpdateFileSave(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable(0);
//	pCmdUI->Enable((image != NULL)); //&& theApp.GetWritableType(image->GetType()));
}
//////////////////////////////////////////////////////////////////////////////
void CDemoDoc::OnStretchMode() 
{
	stretchMode = !stretchMode;
	UpdateAllViews(NULL);
}
//////////////////////////////////////////////////////////////////////////////
void CDemoDoc::OnUpdateStretchMode(CCmdUI* pCmdUI) 
{
	pCmdUI->SetCheck(stretchMode);
}
//////////////////////////////////////////////////////////////////////////////
void CDemoDoc::OnUpdateCximageFlip(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageGrayscale(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageMirror(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageNegative(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageResample(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageRotate(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageRotater(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageRotatel(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageDither(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageThreshold(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageSplityuv(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageSplitrgb(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageSplithsl(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageSplityiq(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageSplitxyz(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageSplitcmyk(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximagePseudocolors(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageFiltersColorize(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageLighten(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageDarken(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageContrast(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageEmboss(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageBlur(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageDilate(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageEdge(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageErode(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageSharpen(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageSoften(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageCrop(CCmdUI* pCmdUI) 
{	if(image==0 || hThread || !image->SelectionIsValid()) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageRemovealphachannel(CCmdUI* pCmdUI) 
{	if(image==0 || hThread || !image->AlphaIsValid()) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageInvetalpha(CCmdUI* pCmdUI) 
{	if(image==0 || hThread || !image->AlphaIsValid()) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageAlphapalettetoggle(CCmdUI* pCmdUI) 
{	if(image==0 || hThread || !image->AlphaPaletteIsValid()) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageAlphastrip(CCmdUI* pCmdUI) 
{	if(image==0 || hThread || (!image->AlphaIsValid() && !image->AlphaPaletteIsValid())) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageRemovetransparency(CCmdUI* pCmdUI) 
{	if(image==0 || hThread || image->GetTransIndex()<0) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageGamma(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageMedian(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageAddnoise(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageCombine(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageFft(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageRepair(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageAlphachannelSplit(CCmdUI* pCmdUI) 
{	if(image==0 || hThread || !image->AlphaIsValid()) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageFiltersLog(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageFiltersRoot(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageHistogramEqualize(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageHistogramNormalize(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageHistogramStretch(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageGaussian3x3(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageGaussian5x5(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageContour(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageLesscontrast(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageJitter(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateWindowDuplicate(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateFiltersMix(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageCircletransformCylinder(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageCircletransformPinch(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageCircletransformPunch(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageCircletransformSwirl(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageCircletransformBathroom(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageHistogramStretch1(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageHistogramStretch2(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateFiltersNonlinearEdge(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateCximageSkew(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}
void CDemoDoc::OnUpdateJpegcompression(CCmdUI* pCmdUI) 
{	if(image==0 || hThread) pCmdUI->Enable(0);}

//////////////////////////////////////////////////////////////////////////////
void CDemoDoc::OnUpdateTransformEllipse(CCmdUI* pCmdUI) 
{
	if (image==NULL) pCmdUI->Enable(0);
}
//////////////////////////////////////////////////////////////////////////////
void CDemoDoc::OnTransformEllipse() 
{
	SubmitUndo();
	DWORD x, y;
	float x1, y1; //***bd*** use float source with GetPixelColorInterpolated
	float fx, fy, xmid, ymid, ar;
	CxImage *image2 = new CxImage(*image,false,false,true);

	xmid = (float) (image->GetWidth()/2.0);
	ymid = (float) (image->GetHeight()/2.0);
	ar = (float)(image->GetHeight())/(float)(image->GetWidth());
	for (y=0; y<image->GetHeight(); y++) {
		for (x=0; x<image->GetWidth(); x++) {
			ComputePixel(ar*(x-xmid), y-ymid, fx, fy);
			x1 = xmid+fx/ar;
			y1 = ymid+fy;
			//correct method to use would be GetAreaColorAveraged (but I guess there's not that much aliasing here)
			image2->SetPixelColor(x, y, image->GetPixelColorInterpolated(x1, y1, CxImage::IM_BILINEAR, CxImage::OM_BACKGROUND));
			//image2->SetPixelColor(x, y, image->GetPixelColor(x1, y1));
		}
	}
	delete image;
	image = image2;
	UpdateAllViews(NULL);
}
//////////////////////////////////////////////////////////////////////////////
void CDemoDoc::OnWindowDuplicate() 
{
	CDemoDoc *NewDoc=(CDemoDoc*)((CDemoApp*)AfxGetApp())->demoTemplate->OpenDocumentFile(NULL); 

	if (NewDoc)	{
		CxImage *newImage = new CxImage(*image);

		NewDoc->image = newImage;

		CString s;
		s.Format("Copy %d of %s",((CDemoApp*)AfxGetApp())->m_nDocCount++,GetTitle());
		NewDoc->SetTitle(s);
		NewDoc->UpdateAllViews(0,WM_USER_NEWIMAGE);
	}
}
//////////////////////////////////////////////////////////////////////////////
void CDemoDoc::OnUpdateEditCopy(CCmdUI* pCmdUI) 
{
	if (image==NULL) pCmdUI->Enable(0);
}
//////////////////////////////////////////////////////////////////////////////
void CDemoDoc::OnEditCopy() 
{
	HANDLE hDIB=image->CopyToHandle();

	if (::OpenClipboard(AfxGetApp()->m_pMainWnd->GetSafeHwnd())) {
		if(::EmptyClipboard()) {
			if (::SetClipboardData(CF_DIB,hDIB) == NULL ) {
				AfxMessageBox( "Unable to set Clipboard data" );
			}
		}
	}
	CloseClipboard();
}
//////////////////////////////////////////////////////////////////////////////
void CDemoDoc::OnUpdateEditUndo(CCmdUI* pCmdUI) 
{
	if(image==0 || hThread) pCmdUI->Enable(0);
	else pCmdUI->Enable(m_UndoLevel>0);

	CString s;
	s.Format("Undo (%d)\tCtrl+Z",m_UndoLevel);
	pCmdUI->SetText(s);
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demodoc.cpp - 源码说明

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