kognition.cpp

vc++数字图像识别技术典型案例

	slotStatusMsg(i18n("Opening file..."));

	if(!doc->saveModified())
	{
	}
	else
	{
		KURL url=KFileDialog::getOpenURL(
		CurrentDir,
		i18n("*|All files"), this, i18n("Open File..."));
		if(!url.isEmpty())
		{
			CurrentDir=url.path();
			doc->openDocument(url);
			setCaption(url.fileName(), false);
			fileOpenRecent->addURL( url );
		}
	}
	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotFileCreateNewDatabase()
{
	slotStatusMsg(i18n("Create new database from image ..."));
	if(!doc->saveModified())
	{
	}
	else
	{
		KURL url=KFileDialog::getOpenURL(QString::null,
		i18n("*|All files"), this, i18n("Open image for new database definition ..."));
		if(!url.isEmpty())
		{
			char_db.clear();
			bool ok;
			QString str=KLineEditDlg::getText( QString( i18n("Characters to define:") ), CharDBString, &ok, this );
			if( ok )
			{
				doc->openDocument(url,str);
				setCaption(url.fileName(), false);
				fileOpenRecent->addURL( url );
			}
		}
	}
	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotFileAppendToDatabase()
{
	slotStatusMsg(i18n("Append character data from image to database ..."));
	if(!doc->saveModified())
	{
	}
	else
	{	
		KURL url=KFileDialog::getOpenURL(QString::null,
		i18n("*|All files"), this, i18n("Open image for integration into database ..."));
		if(!url.isEmpty())
		{
			bool ok;
			QString str=KLineEditDlg::getText( QString( i18n("Characters to define:") ), CharDBString, &ok, this );
			if( ok )
			{
				doc->openDocument(url,str);
				setCaption(url.fileName(), false);
				fileOpenRecent->addURL( url );
			}
		}
	}
	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotFileSaveDatabaseAs()
{
	slotStatusMsg(i18n("Save database As ..."));
	QString db_file = KFileDialog::getSaveFileName(QString::null,
	      i18n("*|All files"), this, i18n("Save database As ..."));
	if(!db_file.isEmpty())
		char_db.write(db_file);
	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotEditReplaceChar()
{
	doc->img->replace_char();
}

void KognitionApp::slotEditVariantChar()
{
	doc->img->append_variant_char();
}

void KognitionApp::slotFileOpenRecent(const KURL& url)
{
	slotStatusMsg(i18n("Opening file..."));

	if(!doc->saveModified())
	{
	}
	else
	{
		doc->openDocument(url);
		setCaption(url.fileName(), false);
	}

	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotFileSave()
{
	slotStatusMsg(i18n("Saving file..."));
	doc->saveDocument(doc->URL());
	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotFileSaveAs()
{
	slotStatusMsg(i18n("Saving file with a new filename..."));

	KURL url=KFileDialog::getSaveURL(QDir::currentDirPath(),
				i18n("*|All files"), this, i18n("Save as..."));
	if(!url.isEmpty())
	{
		doc->saveDocument(url);
		fileOpenRecent->addURL(url);
		setCaption(url.fileName(),doc->isModified());
	}
	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotFileClose()
{
	slotStatusMsg(i18n("Closing file..."));
	close();
	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotFilePrint()
{
	slotStatusMsg(i18n("Printing..."));

	QPrinter printer;
	if (printer.setup(this))
	{
	}

	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotFileQuit()
{
	slotFileClose();
}

void KognitionApp::slotEditCut()
{
	slotStatusMsg(i18n("Cutting selection..."));
	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotEditCopy()
{
	slotStatusMsg(i18n("Copying selection to clipboard..."));
	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotEditPaste()
{
	slotStatusMsg(i18n("Inserting clipboard contents..."));
	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotViewToolBar()
{
	slotStatusMsg(i18n("Toggling toolbar..."));
	if(!viewToolBar->isChecked())
		toolBar("mainToolBar")->hide();
	else
		toolBar("mainToolBar")->show();

	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotViewStatusBar()
{
	slotStatusMsg(i18n("Toggle the statusbar..."));
	if(!viewStatusBar->isChecked())
		statusBar()->hide();
	else
		statusBar()->show();

	slotStatusMsg(i18n("Ready."));
}

void KognitionApp::slotStatusMsg(const QString &text)
{
	statusBar()->clear();
	statusBar()->changeItem(text, ID_STATUS_MSG);
}

void KognitionApp::slotDebugImage()
{
	bool show = debugImage->isChecked();
	
	if ( show )
		doc->img->show();
	else
		doc->img->hide();

	debugBorderLists->setEnabled( show );
	debugBorderAngles->setEnabled( show );
	debugCrossSections->setEnabled( show );
	debugSingularRegions->setEnabled( show );
	debugSkeleton->setEnabled( show );
	debugDirections->setEnabled( show );
	debugPolySkeleton->setEnabled( show );
	debugAbstractChar->setEnabled( show );
	debugMatchingState->setEnabled( show );
	debugGrid->setEnabled( show );
	debugBorderAnglesSmooth->setEnabled( show );
	debugGuessedLines->setEnabled( show );
}

void KognitionApp::slotDebugHistogram()
{
	if( debugHistogram->isChecked() )
		doc->hist->show();
	else
		doc->hist->hide();
}

void KognitionApp::slotDebugBorderLists()
{
	doc->img->set_draw_flag(Image::draw_border_lists, debugBorderLists->isChecked());
}

void KognitionApp::slotDebugBorderAngles()
{
	doc->img->set_draw_flag(Image::draw_border_angles, debugBorderAngles->isChecked());
}

void KognitionApp::slotDebugCrossSections()
{
	doc->img->set_draw_flag(Image::draw_cross_sections, debugCrossSections->isChecked());
}

void KognitionApp::slotDebugSingularRegions()
{
	doc->img->set_draw_flag(Image::draw_singular_regions, debugSingularRegions->isChecked());
}

void KognitionApp::slotDebugSkeleton()
{
	doc->img->set_draw_flag(Image::draw_skeleton, debugSkeleton->isChecked());
}

void KognitionApp::slotDebugDirections()
{
	doc->img->set_draw_flag(Image::draw_directions, debugDirections->isChecked());
}

void KognitionApp::slotDebugPolySkeleton()
{
	doc->img->set_draw_flag(Image::draw_polygon_skeleton, debugPolySkeleton->isChecked());
}

void KognitionApp::slotDebugAbstractChar()
{
	doc->img->set_draw_flag(Image::draw_abstract_char, debugAbstractChar->isChecked());
}

void KognitionApp::slotDebugMatchingState()
{
	doc->img->set_draw_flag(Image::draw_abstract_matching, debugMatchingState->isChecked());
}

void KognitionApp::slotDebugGrid()
{
	doc->img->set_draw_flag(Image::draw_grid, debugGrid->isChecked());
}

void KognitionApp::slotDebugBW()
{
	doc->set_draw_flag(Page::draw_bw, debugBW->isChecked());
	doc->img->set_draw_flag(Image::draw_bw, debugBW->isChecked());
}

void KognitionApp::slotDebugBorderAnglesSmooth()
{
	doc->img->set_draw_flag(Image::draw_border_angles_smooth, debugBorderAnglesSmooth->isChecked());
}

void KognitionApp::slotDebugGuessedLines()
{
	doc->img->set_draw_flag(Image::draw_guessed_lines, debugGuessedLines->isChecked());
}

void KognitionApp::slotDebugBoundingboxes()
{
	doc->set_draw_flag(Page::draw_boundingboxes, debugBoundingboxes->isChecked());
}

void KognitionApp::slotDebugMetaboxes()
{
	doc->set_draw_flag(Page::draw_metaboxes, debugMetaboxes->isChecked());
}

void KognitionApp::slotDebugBaseline()
{
	doc->set_draw_flag(Page::draw_baseline, debugBaseline->isChecked());
}

void KognitionApp::slotDebugBasepoints()
{
	doc->set_draw_flag(Page::draw_basepoints, debugBasepoints->isChecked());
}

void KognitionApp::slotDebugMaxPart()
{
	doc->set_draw_flag(Page::draw_maxpart, debugMaxPart->isChecked());
}

void KognitionApp::keyPressEvent(QKeyEvent *e)
{
	switch (e->key())
	{
	case Key_PageDown:	doc->img->next_border_list(false);	// 显示上一个边界列表
				break;
	case Key_PageUp:	doc->img->next_border_list(true);	// 显示下一个边界列表
				break;
	case Key_Less:		doc->img->change_line_thickness(false);	// 让线条瘦一点
				doc->change_line_thickness(false);
				break;
	case Key_Greater:	doc->img->change_line_thickness(true);	// 让线条粗一点
				doc->change_line_thickness(true);
				break;
	case Key_Asterisk:	switch ( static_cast<int>( doc->getScale( false ) ) ) 
				{
					case -1: 	doc->setScale( -2 );	// 切换到宽度自动匹配
							break;
					case -2:	doc->setScale( -3 );	// 切换到高度自动匹配
							break;
					case -3:	doc->setScale( -4 );	// 切换到比例因子1
							break;
					case -4:	doc->setScale( -1 );	// 切换到高度宽度自动调整
							break;
					default:	doc->setScale( -1 );	// 同上
				}
				break;
	case Key_Plus:		{					// 放大
				float scale = doc->getScale();
				scale = scale < 1 ? 1 / ( 1 / scale - 1 ) : scale + 1;
				doc->setScale( scale );			
				break;
				}
	case Key_Minus:		{					// 缩小
				float scale = doc->getScale();		
				scale = scale <= 1 ? 1 / ( 1 / scale + 1 ) : scale - 1;
				doc->setScale( scale );			
				break;
				}
	case Key_Left:		doc->setXPos( qRound(doc->getXPos() - 50 * doc->getScale()) );	// 左移页
				break;
	case Key_Right:		doc->setXPos( qRound(doc->getXPos() + 50 * doc->getScale()) );	// 右移页
				break;
	case Key_Up:		doc->setYPos( qRound(doc->getYPos() - 50 * doc->getScale()) );	// 上移页
				break;
	case Key_Down:		doc->setYPos( qRound(doc->getYPos() + 50 * doc->getScale()) );	// 下移页
				break;
	case Key_Print:		doc->makeSnapshot();				// 当前页的快照
				break;
	case Key_Comma:		doc->img->mark_next_cs( false );	// 标记上一个cs
				break;
	case Key_Period:	doc->img->mark_next_cs( true );		// 标记下一个cs
				break;
	default:		e->ignore(); 
	}
}