From 6fd46f6d23538ec6e0f48209f6c0f0d939a2effe Mon Sep 17 00:00:00 2001 From: leseb Date: Sun, 23 Jun 2002 17:47:47 +0000 Subject: Anti-aliasing as an option --- (limited to 'noncore') diff --git a/noncore/graphics/drawpad/drawpad.cpp b/noncore/graphics/drawpad/drawpad.cpp index 45fb886..b29f5ba 100644 --- a/noncore/graphics/drawpad/drawpad.cpp +++ b/noncore/graphics/drawpad/drawpad.cpp @@ -67,7 +67,7 @@ DrawPad::DrawPad(QWidget* parent, const char* name) QPEToolBar* menuToolBar = new QPEToolBar(this); QPEMenuBar* menuBar = new QPEMenuBar(menuToolBar); - QPopupMenu *toolsPopupMenu = new QPopupMenu(menuBar); + QPopupMenu* toolsPopupMenu = new QPopupMenu(menuBar); QAction* deleteAllAction = new QAction(tr("Delete All"), QString::null, 0, this); connect(deleteAllAction, SIGNAL(activated()), this, SLOT(deleteAll())); @@ -93,6 +93,12 @@ DrawPad::DrawPad(QWidget* parent, const char* name) connect(pageInformationAction, SIGNAL(activated()), this, SLOT(pageInformation())); pageInformationAction->addTo(toolsPopupMenu); + toolsPopupMenu->insertSeparator(); + + m_pAntiAliasingAction = new QAction(tr("Anti-Aliasing"), QString::null, 0, this); + m_pAntiAliasingAction->setToggleAction(true); + m_pAntiAliasingAction->addTo(toolsPopupMenu); + menuBar->insertItem(tr("Tools"), toolsPopupMenu); // init page toolbar @@ -275,6 +281,11 @@ DrawPad::~DrawPad() } } +bool DrawPad::antiAliasing() +{ + return (m_pAntiAliasingAction->isOn()); +} + void DrawPad::newPage() { QRect rect = m_pDrawPadCanvas->contentsRect(); diff --git a/noncore/graphics/drawpad/drawpad.h b/noncore/graphics/drawpad/drawpad.h index ce62802..8e29c61 100644 --- a/noncore/graphics/drawpad/drawpad.h +++ b/noncore/graphics/drawpad/drawpad.h @@ -38,6 +38,8 @@ public: QPen pen() { return m_pen; } QBrush brush() { return m_brush; } + bool antiAliasing(); + private slots: void newPage(); void clearPage(); @@ -74,6 +76,8 @@ private: QPen m_pen; QBrush m_brush; + QAction* m_pAntiAliasingAction; + QAction* m_pUndoAction; QAction* m_pRedoAction; diff --git a/noncore/graphics/drawpad/ellipsetool.cpp b/noncore/graphics/drawpad/ellipsetool.cpp index 733bade..0cdb731 100644 --- a/noncore/graphics/drawpad/ellipsetool.cpp +++ b/noncore/graphics/drawpad/ellipsetool.cpp @@ -32,40 +32,45 @@ void EllipseTool::drawFinalShape(QPainter& p) { p.setRasterOp(Qt::NotROP); p.drawRect(QRect(m_polyline[2], m_polyline[0])); + p.setRasterOp(Qt::CopyROP); - QRect r = m_polyline.boundingRect(); - r = r.normalize(); - r.setLeft(r.left() - m_pDrawPad->pen().width()); - r.setTop(r.top() - m_pDrawPad->pen().width()); - r.setRight(r.right() + m_pDrawPad->pen().width()); - r.setBottom(r.bottom() + m_pDrawPad->pen().width()); + if (m_pDrawPad->antiAliasing()) { + QRect r = m_polyline.boundingRect(); + r = r.normalize(); + r.setLeft(r.left() - m_pDrawPad->pen().width()); + r.setTop(r.top() - m_pDrawPad->pen().width()); + r.setRight(r.right() + m_pDrawPad->pen().width()); + r.setBottom(r.bottom() + m_pDrawPad->pen().width()); - QPixmap areaPixmap(r.width(), r.height()); - bitBlt(&areaPixmap, QPoint(0, 0), p.device(), r); + QPixmap areaPixmap(r.width(), r.height()); + bitBlt(&areaPixmap, QPoint(0, 0), p.device(), r); - QImage areaImage = areaPixmap.convertToImage(); - QImage bigAreaImage = areaImage.smoothScale(areaImage.width() * 3, areaImage.height() * 3); + QImage areaImage = areaPixmap.convertToImage(); + QImage bigAreaImage = areaImage.smoothScale(areaImage.width() * 3, areaImage.height() * 3); - QPixmap bigAreaPixmap; - bigAreaPixmap.convertFromImage(bigAreaImage); + QPixmap bigAreaPixmap; + bigAreaPixmap.convertFromImage(bigAreaImage); - QPen bigAreaPen = m_pDrawPad->pen(); - bigAreaPen.setWidth(bigAreaPen.width() * 3); + QPen bigAreaPen = m_pDrawPad->pen(); + bigAreaPen.setWidth(bigAreaPen.width() * 3); - QPainter bigAreaPainter; - bigAreaPainter.begin(&bigAreaPixmap); - bigAreaPainter.setPen(bigAreaPen); - bigAreaPainter.drawEllipse(QRect(bigAreaPen.width() + 1, bigAreaPen.width() + 1, - bigAreaPixmap.width() - 2 * (bigAreaPen.width() + 1), - bigAreaPixmap.height() - 2 * (bigAreaPen.width() + 1))); - bigAreaPainter.end(); + QPainter bigAreaPainter; + bigAreaPainter.begin(&bigAreaPixmap); + bigAreaPainter.setPen(bigAreaPen); + bigAreaPainter.drawEllipse(QRect(bigAreaPen.width() + 1, bigAreaPen.width() + 1, + bigAreaPixmap.width() - 2 * (bigAreaPen.width() + 1), + bigAreaPixmap.height() - 2 * (bigAreaPen.width() + 1))); + bigAreaPainter.end(); - bigAreaImage = bigAreaPixmap.convertToImage(); - areaImage = bigAreaImage.smoothScale(bigAreaImage.width() / 3, bigAreaImage.height() / 3); - areaPixmap.convertFromImage(areaImage); + bigAreaImage = bigAreaPixmap.convertToImage(); + areaImage = bigAreaImage.smoothScale(bigAreaImage.width() / 3, bigAreaImage.height() / 3); + areaPixmap.convertFromImage(areaImage); - p.setRasterOp(Qt::CopyROP); - p.drawPixmap(r.x(), r.y(), areaPixmap); + p.drawPixmap(r.x(), r.y(), areaPixmap); + } else { + p.setPen(m_pDrawPad->pen()); + p.drawEllipse(QRect(m_polyline[2], m_polyline[0])); + } } void EllipseTool::drawTemporaryShape(QPainter& p) diff --git a/noncore/graphics/drawpad/filledellipsetool.cpp b/noncore/graphics/drawpad/filledellipsetool.cpp index 2f7ec8f..6b5bbc6 100644 --- a/noncore/graphics/drawpad/filledellipsetool.cpp +++ b/noncore/graphics/drawpad/filledellipsetool.cpp @@ -32,41 +32,47 @@ void FilledEllipseTool::drawFinalShape(QPainter& p) { p.setRasterOp(Qt::NotROP); p.drawRect(QRect(m_polyline[2], m_polyline[0])); + p.setRasterOp(Qt::CopyROP); - QRect r = m_polyline.boundingRect(); - r = r.normalize(); - r.setLeft(r.left() - m_pDrawPad->pen().width()); - r.setTop(r.top() - m_pDrawPad->pen().width()); - r.setRight(r.right() + m_pDrawPad->pen().width()); - r.setBottom(r.bottom() + m_pDrawPad->pen().width()); + if (m_pDrawPad->antiAliasing()) { + QRect r = m_polyline.boundingRect(); + r = r.normalize(); + r.setLeft(r.left() - m_pDrawPad->pen().width()); + r.setTop(r.top() - m_pDrawPad->pen().width()); + r.setRight(r.right() + m_pDrawPad->pen().width()); + r.setBottom(r.bottom() + m_pDrawPad->pen().width()); - QPixmap areaPixmap(r.width(), r.height()); - bitBlt(&areaPixmap, QPoint(0, 0), p.device(), r); + QPixmap areaPixmap(r.width(), r.height()); + bitBlt(&areaPixmap, QPoint(0, 0), p.device(), r); - QImage areaImage = areaPixmap.convertToImage(); - QImage bigAreaImage = areaImage.smoothScale(areaImage.width() * 3, areaImage.height() * 3); + QImage areaImage = areaPixmap.convertToImage(); + QImage bigAreaImage = areaImage.smoothScale(areaImage.width() * 3, areaImage.height() * 3); - QPixmap bigAreaPixmap; - bigAreaPixmap.convertFromImage(bigAreaImage); + QPixmap bigAreaPixmap; + bigAreaPixmap.convertFromImage(bigAreaImage); - QPen bigAreaPen = m_pDrawPad->pen(); - bigAreaPen.setWidth(bigAreaPen.width() * 3); + QPen bigAreaPen = m_pDrawPad->pen(); + bigAreaPen.setWidth(bigAreaPen.width() * 3); - QPainter bigAreaPainter; - bigAreaPainter.begin(&bigAreaPixmap); - bigAreaPainter.setPen(bigAreaPen); - bigAreaPainter.setBrush(m_pDrawPad->brush()); - bigAreaPainter.drawEllipse(QRect(bigAreaPen.width() + 1, bigAreaPen.width() + 1, - bigAreaPixmap.width() - 2 * (bigAreaPen.width() + 1), - bigAreaPixmap.height() - 2 * (bigAreaPen.width() + 1))); - bigAreaPainter.end(); + QPainter bigAreaPainter; + bigAreaPainter.begin(&bigAreaPixmap); + bigAreaPainter.setPen(bigAreaPen); + bigAreaPainter.setBrush(m_pDrawPad->brush()); + bigAreaPainter.drawEllipse(QRect(bigAreaPen.width() + 1, bigAreaPen.width() + 1, + bigAreaPixmap.width() - 2 * (bigAreaPen.width() + 1), + bigAreaPixmap.height() - 2 * (bigAreaPen.width() + 1))); + bigAreaPainter.end(); - bigAreaImage = bigAreaPixmap.convertToImage(); - areaImage = bigAreaImage.smoothScale(bigAreaImage.width() / 3, bigAreaImage.height() / 3); - areaPixmap.convertFromImage(areaImage); + bigAreaImage = bigAreaPixmap.convertToImage(); + areaImage = bigAreaImage.smoothScale(bigAreaImage.width() / 3, bigAreaImage.height() / 3); + areaPixmap.convertFromImage(areaImage); - p.setRasterOp(Qt::CopyROP); - p.drawPixmap(r.x(), r.y(), areaPixmap); + p.drawPixmap(r.x(), r.y(), areaPixmap); + } else { + p.setPen(m_pDrawPad->pen()); + p.setBrush(m_pDrawPad->brush()); + p.drawEllipse(QRect(m_polyline[2], m_polyline[0])); + } } void FilledEllipseTool::drawTemporaryShape(QPainter& p) diff --git a/noncore/graphics/drawpad/linetool.cpp b/noncore/graphics/drawpad/linetool.cpp index 99cd6de..b6baa2a 100644 --- a/noncore/graphics/drawpad/linetool.cpp +++ b/noncore/graphics/drawpad/linetool.cpp @@ -32,41 +32,46 @@ void LineTool::drawFinalShape(QPainter& p) { p.setRasterOp(Qt::NotROP); p.drawLine(m_polyline[2], m_polyline[0]); + p.setRasterOp(Qt::CopyROP); - QRect r = m_polyline.boundingRect(); - r = r.normalize(); - r.setLeft(r.left() - m_pDrawPad->pen().width()); - r.setTop(r.top() - m_pDrawPad->pen().width()); - r.setRight(r.right() + m_pDrawPad->pen().width()); - r.setBottom(r.bottom() + m_pDrawPad->pen().width()); + if (m_pDrawPad->antiAliasing()) { + QRect r = m_polyline.boundingRect(); + r = r.normalize(); + r.setLeft(r.left() - m_pDrawPad->pen().width()); + r.setTop(r.top() - m_pDrawPad->pen().width()); + r.setRight(r.right() + m_pDrawPad->pen().width()); + r.setBottom(r.bottom() + m_pDrawPad->pen().width()); - QPixmap areaPixmap(r.width(), r.height()); - bitBlt(&areaPixmap, QPoint(0, 0), p.device(), r); + QPixmap areaPixmap(r.width(), r.height()); + bitBlt(&areaPixmap, QPoint(0, 0), p.device(), r); - QImage areaImage = areaPixmap.convertToImage(); - QImage bigAreaImage = areaImage.smoothScale(areaImage.width() * 3, areaImage.height() * 3); + QImage areaImage = areaPixmap.convertToImage(); + QImage bigAreaImage = areaImage.smoothScale(areaImage.width() * 3, areaImage.height() * 3); - QPixmap bigAreaPixmap; - bigAreaPixmap.convertFromImage(bigAreaImage); + QPixmap bigAreaPixmap; + bigAreaPixmap.convertFromImage(bigAreaImage); - QPen bigAreaPen = m_pDrawPad->pen(); - bigAreaPen.setWidth(bigAreaPen.width() * 3); + QPen bigAreaPen = m_pDrawPad->pen(); + bigAreaPen.setWidth(bigAreaPen.width() * 3); - QPainter bigAreaPainter; - bigAreaPainter.begin(&bigAreaPixmap); - bigAreaPainter.setPen(bigAreaPen); + QPainter bigAreaPainter; + bigAreaPainter.begin(&bigAreaPixmap); + bigAreaPainter.setPen(bigAreaPen); - bigAreaPainter.drawLine((m_polyline[2].x() - r.x()) * 3 + 1, (m_polyline[2].y() - r.y()) * 3 + 1, - (m_polyline[0].x() - r.x()) * 3 + 1, (m_polyline[0].y() - r.y()) * 3 + 1); + bigAreaPainter.drawLine((m_polyline[2].x() - r.x()) * 3 + 1, (m_polyline[2].y() - r.y()) * 3 + 1, + (m_polyline[0].x() - r.x()) * 3 + 1, (m_polyline[0].y() - r.y()) * 3 + 1); - bigAreaPainter.end(); + bigAreaPainter.end(); - bigAreaImage = bigAreaPixmap.convertToImage(); - areaImage = bigAreaImage.smoothScale(bigAreaImage.width() / 3, bigAreaImage.height() / 3); - areaPixmap.convertFromImage(areaImage); + bigAreaImage = bigAreaPixmap.convertToImage(); + areaImage = bigAreaImage.smoothScale(bigAreaImage.width() / 3, bigAreaImage.height() / 3); + areaPixmap.convertFromImage(areaImage); - p.setRasterOp(Qt::CopyROP); - p.drawPixmap(r.x(), r.y(), areaPixmap); + p.drawPixmap(r.x(), r.y(), areaPixmap); + } else { + p.setPen(m_pDrawPad->pen()); + p.drawLine(m_polyline[2], m_polyline[0]); + } } void LineTool::drawTemporaryShape(QPainter& p) diff --git a/noncore/graphics/drawpad/pointtool.cpp b/noncore/graphics/drawpad/pointtool.cpp index 22bb089..a4f846e 100644 --- a/noncore/graphics/drawpad/pointtool.cpp +++ b/noncore/graphics/drawpad/pointtool.cpp @@ -53,9 +53,6 @@ void PointTool::mouseMoveEvent(QMouseEvent* e) m_polyline[1] = m_polyline[0]; m_polyline[0] = e->pos(); - QPainter painter; - painter.begin(m_pDrawPadCanvas->currentPage()); - QRect r = m_polyline.boundingRect(); r = r.normalize(); r.setLeft(r.left() - m_pDrawPad->pen().width()); @@ -63,35 +60,44 @@ void PointTool::mouseMoveEvent(QMouseEvent* e) r.setRight(r.right() + m_pDrawPad->pen().width()); r.setBottom(r.bottom() + m_pDrawPad->pen().width()); - QPixmap areaPixmap(r.width(), r.height()); - bitBlt(&areaPixmap, QPoint(0, 0), painter.device(), r); + QPainter painter; + painter.begin(m_pDrawPadCanvas->currentPage()); + + if (m_pDrawPad->antiAliasing()) { + QPixmap areaPixmap(r.width(), r.height()); + bitBlt(&areaPixmap, QPoint(0, 0), painter.device(), r); + + QImage areaImage = areaPixmap.convertToImage(); + QImage bigAreaImage = areaImage.smoothScale(areaImage.width() * 3, areaImage.height() * 3); - QImage areaImage = areaPixmap.convertToImage(); - QImage bigAreaImage = areaImage.smoothScale(areaImage.width() * 3, areaImage.height() * 3); + QPixmap bigAreaPixmap; + bigAreaPixmap.convertFromImage(bigAreaImage); - QPixmap bigAreaPixmap; - bigAreaPixmap.convertFromImage(bigAreaImage); + QPen bigAreaPen = m_pDrawPad->pen(); + bigAreaPen.setWidth(bigAreaPen.width() * 3); - QPen bigAreaPen = m_pDrawPad->pen(); - bigAreaPen.setWidth(bigAreaPen.width() * 3); + QPainter bigAreaPainter; + bigAreaPainter.begin(&bigAreaPixmap); + bigAreaPainter.setPen(bigAreaPen); - QPainter bigAreaPainter; - bigAreaPainter.begin(&bigAreaPixmap); - bigAreaPainter.setPen(bigAreaPen); + QPointArray bigAreaPolyline(3); + bigAreaPolyline.setPoint(0, (m_polyline[0].x() - r.x()) * 3 + 1, (m_polyline[0].y() - r.y()) * 3 + 1); + bigAreaPolyline.setPoint(1, (m_polyline[1].x() - r.x()) * 3 + 1, (m_polyline[1].y() - r.y()) * 3 + 1); + bigAreaPolyline.setPoint(2, (m_polyline[2].x() - r.x()) * 3 + 1, (m_polyline[2].y() - r.y()) * 3 + 1); - QPointArray bigAreaPolyline(3); - bigAreaPolyline.setPoint(0, (m_polyline[0].x() - r.x()) * 3 + 1, (m_polyline[0].y() - r.y()) * 3 + 1); - bigAreaPolyline.setPoint(1, (m_polyline[1].x() - r.x()) * 3 + 1, (m_polyline[1].y() - r.y()) * 3 + 1); - bigAreaPolyline.setPoint(2, (m_polyline[2].x() - r.x()) * 3 + 1, (m_polyline[2].y() - r.y()) * 3 + 1); + bigAreaPainter.drawPolyline(bigAreaPolyline); + bigAreaPainter.end(); - bigAreaPainter.drawPolyline(bigAreaPolyline); - bigAreaPainter.end(); + bigAreaImage = bigAreaPixmap.convertToImage(); + areaImage = bigAreaImage.smoothScale(bigAreaImage.width() / 3, bigAreaImage.height() / 3); + areaPixmap.convertFromImage(areaImage); - bigAreaImage = bigAreaPixmap.convertToImage(); - areaImage = bigAreaImage.smoothScale(bigAreaImage.width() / 3, bigAreaImage.height() / 3); - areaPixmap.convertFromImage(areaImage); + painter.drawPixmap(r.x(), r.y(), areaPixmap); + } else { + painter.setPen(m_pDrawPad->pen()); + painter.drawPolyline(m_polyline); + } - painter.drawPixmap(r.x(), r.y(), areaPixmap); painter.end(); QRect viewportRect(m_pDrawPadCanvas->contentsToViewport(r.topLeft()), -- cgit v0.9.0.2