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SANKORE-475

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Improve the rendering of the magnifier
preferencesAboutTextFull
Anatoly Mihalchenko 13 years ago
parent 9745c5d058
commit 1e67bf6e4a
6 changed files with 571 additions and 489 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 5
      src/board/UBBoardController.cpp
  2. 1
      src/desktop/UBDesktopAnnotationController.cpp
  3. 64
      src/domain/UBGraphicsScene.cpp
  4. 7
      src/domain/UBGraphicsScene.h
  5. 790
      src/gui/UBMagnifer.cpp
  6. 193
      src/gui/UBMagnifer.h

5
src/board/UBBoardController.cpp
Unescape View File

@ -664,6 +664,7 @@ void UBBoardController::zoom(const qreal ratio, QPointF scenePoint)
UBApplication::applicationController->adjustDisplayView();
emit controlViewportChanged();
mActiveScene->setBackgroundZoomFactor(mControlView->transform().m11());
}
@ -1163,7 +1164,7 @@ void UBBoardController::setActiveDocumentScene(UBDocumentProxy* pDocumentProxy,
mControlView->setScene(mActiveScene);
mDisplayView->setScene(mActiveScene);
mActiveScene->setBackgroundZoomFactor(mControlView->transform().m11());
pDocumentProxy->setDefaultDocumentSize(mActiveScene->nominalSize());
updatePageSizeState();
@ -1564,7 +1565,7 @@ void UBBoardController::updateSystemScaleFactor()
mControlView->setTransform(scalingTransform);
mControlView->horizontalScrollBar()->setValue(viewState.horizontalPosition);
mControlView->verticalScrollBar()->setValue(viewState.verticalPostition);
}
mActiveScene->setBackgroundZoomFactor(mControlView->transform().m11());}
void UBBoardController::setWidePageSize(bool checked)

1
src/desktop/UBDesktopAnnotationController.cpp
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@ -88,6 +88,7 @@ UBDesktopAnnotationController::UBDesktopAnnotationController(QObject *parent)
mTransparentDrawingScene = new UBGraphicsScene(0);
mTransparentDrawingView->setScene(mTransparentDrawingScene);
mTransparentDrawingScene->setDrawingMode(true);
// mRightPalette = UBApplication::boardController->paletteManager()->createDesktopRightPalette(mTransparentDrawingView);
//mRightPalette = new UBRightPalette(mTransparentDrawingView);

64
src/domain/UBGraphicsScene.cpp
Unescape View File

@ -135,6 +135,7 @@ UBGraphicsScene::UBGraphicsScene(UBDocumentProxy* parent)
, enableUndoRedoStack(true)
, magniferControlViewWidget(0)
, magniferDisplayViewWidget(0)
, mIsDesktopMode(false)
{
@ -160,8 +161,6 @@ UBGraphicsScene::UBGraphicsScene(UBDocumentProxy* parent)
UBGraphicsScene::~UBGraphicsScene()
{
DisposeMagnifierQWidgets();
if (mCurrentStroke)
if (mCurrentStroke->polygons().empty())
delete mCurrentStroke;
@ -711,6 +710,15 @@ void UBGraphicsScene::setBackground(bool pIsDark, bool pIsCrossed)
}
}
void UBGraphicsScene::setBackgroundZoomFactor(qreal zoom)
{
mZoomFactor = zoom;
}
void UBGraphicsScene::setDrawingMode(bool bModeDesktop)
{
mIsDesktopMode = bModeDesktop;
}
void UBGraphicsScene::recolorAllItems()
{
@ -1854,6 +1862,58 @@ void UBGraphicsScene::drawItems (QPainter * painter, int numItems,
}
}
void UBGraphicsScene::drawBackground(QPainter *painter, const QRectF &rect)
{
if (mIsDesktopMode)
{
QGraphicsScene::drawBackground (painter, rect);
return;
}
bool darkBackground = isDarkBackground ();
if (darkBackground)
{
painter->fillRect (rect, QBrush (QColor (Qt::black)));
}
else
{
painter->fillRect (rect, QBrush (QColor (Qt::white)));
}
if (mZoomFactor > 0.5)
{
QColor bgCrossColor;
if (darkBackground)
bgCrossColor = UBSettings::crossDarkBackground;
else
bgCrossColor = UBSettings::crossLightBackground;
if (mZoomFactor < 1.0)
{
int alpha = 255 * mZoomFactor / 2;
bgCrossColor.setAlpha (alpha); // fade the crossing on small zooms
}
painter->setPen (bgCrossColor);
if (isCrossedBackground())
{
qreal firstY = ((int) (rect.y () / UBSettings::crossSize)) * UBSettings::crossSize;
for (qreal yPos = firstY; yPos < rect.y () + rect.height (); yPos += UBSettings::crossSize)
{
painter->drawLine (rect.x (), yPos, rect.x () + rect.width (), yPos);
}
qreal firstX = ((int) (rect.x () / UBSettings::crossSize)) * UBSettings::crossSize;
for (qreal xPos = firstX; xPos < rect.x () + rect.width (); xPos += UBSettings::crossSize)
{
painter->drawLine (xPos, rect.y (), xPos, rect.y () + rect.height ());
}
}
}
}
void UBGraphicsScene::keyReleaseEvent(QKeyEvent * keyEvent)
{

7
src/domain/UBGraphicsScene.h
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@ -288,7 +288,8 @@ class UBGraphicsScene: public UBCoreGraphicsScene, public UBItem
void hideEraser();
void setBackground(bool pIsDark, bool pIsCrossed);
void setBackgroundZoomFactor(qreal zoom);
void setDrawingMode(bool bModeDesktop);
void deselectAllItems();
UBGraphicsPixmapItem* addPixmap(const QPixmap& pPixmap, const QPointF& pPos = QPointF(0,0), qreal scaleFactor = 1.0, bool pUseAnimation = false);
@ -331,6 +332,8 @@ class UBGraphicsScene: public UBCoreGraphicsScene, public UBItem
QGraphicsItem* rootItem(QGraphicsItem* item) const;
virtual void drawBackground(QPainter *painter, const QRectF &rect);
private:
void setDocumentUpdated();
void createEraiser();
@ -348,6 +351,8 @@ class UBGraphicsScene: public UBCoreGraphicsScene, public UBItem
bool mDarkBackground;
bool mCrossedBackground;
bool mIsDesktopMode;
qreal mZoomFactor;
bool mIsModified;

790
src/gui/UBMagnifer.cpp
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@ -1,388 +1,402 @@
/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QtGui>
#include "UBMagnifer.h"
#include "core/UBApplication.h"
#include "board/UBBoardController.h"
#include "domain/UBGraphicsScene.h"
#include "core/memcheck.h"
UBMagnifier::UBMagnifier(QWidget *parent, bool isInteractive)
: QWidget(parent, parent ? Qt::Widget : Qt::Tool | (Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::X11BypassWindowManagerHint))
, mShouldMoveWidget(false)
, mShouldResizeWidget(false)
, inTimer(false)
, borderPen(Qt::darkGray)
, gView(0)
, mView(0)
{
isCusrsorAlreadyStored = false;
setMouseTracking(true);
//--------------------------------------------------//
QPixmap pix(":/images/cursors/resize.png");
QTransform tr;
tr.rotate(45);
mResizeCursor = QCursor(pix.transformed(tr, Qt::SmoothTransformation), pix.width() / 2, pix.height() / 2);
//--------------------------------------------------//
params.sizePercentFromScene = 20;
m_isInteractive = isInteractive;
sClosePixmap = new QPixmap(":/images/close.svg");
sIncreasePixmap = new QPixmap(":/images/increase.svg");
sDecreasePixmap = new QPixmap(":/images/decrease.svg");
mResizeItem = new QPixmap(":/images/resize.svg");
if (parent)
{
setAttribute(Qt::WA_NoMousePropagation);
}
else
{
// standalone window
// !!!! Should be included into Windows after QT recompilation
#ifndef Q_WS_WIN
// setAttribute(Qt::WA_TranslucentBackground);
setAttribute(Qt::WA_MacAlwaysShowToolWindow);
#endif
#ifdef Q_WS_MAC
setAttribute(Qt::WA_MacAlwaysShowToolWindow);
setAttribute(Qt::WA_MacNonActivatingToolWindow);
setAttribute(Qt::WA_MacNoShadow);
#endif
}
}
UBMagnifier::~UBMagnifier()
{
if (timerUpdate != 0)
{
killTimer(timerUpdate);
timerUpdate = 0;
}
if(sClosePixmap)
{
delete sClosePixmap;
sClosePixmap = NULL;
}
if(sIncreasePixmap)
{
delete sIncreasePixmap;
sIncreasePixmap = NULL;
}
if(sDecreasePixmap)
{
delete sDecreasePixmap;
sDecreasePixmap = NULL;
}
}
void UBMagnifier::setSize(qreal percentFromScene)
{
if(gView == NULL || mView == NULL) return;
// calculate object size
params.sizePercentFromScene = percentFromScene;
QSize sceneSize = mView->size();
qreal size = params.sizePercentFromScene * sceneSize.width() / 100;
QRect currGeom = geometry();
if(currGeom.width() == currGeom.height())
{
QPoint newPos = mView->mapFromGlobal(updPointMove);
setGeometry(newPos.x() - size / 2, newPos.y() - size / 2, size, size);
}
else
setGeometry(0, 0, size, size);
// prepare transparent bit mask
QImage mask_img(width(), height(), QImage::Format_Mono);
mask_img.fill(0xff);
QPainter mask_ptr(&mask_img);
mask_ptr.setBrush( QBrush( QColor(0, 0, 0) ) );
mask_ptr.drawEllipse(QPointF(size/2, size/2), size / 2 - sClosePixmap->width(), size / 2 - sClosePixmap->width());
bmpMask = QBitmap::fromImage(mask_img);
// prepare general image
pMap = QPixmap(width(), height());
pMap.fill(Qt::transparent);
pMap.setMask(bmpMask);
}
void UBMagnifier::setZoom(qreal zoom)
{
params.zoom = zoom;
}
void UBMagnifier::paintEvent(QPaintEvent * event)
{
Q_UNUSED(event);
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
painter.setPen(Qt::NoPen);
if (m_isInteractive)
{
painter.setBrush(QColor(127, 127, 127, 127));
painter.drawRoundedRect(QRectF(size().width() / 2, size().height() / 2, ( size().width() - sClosePixmap->width() ) / 2, ( size().height() - sClosePixmap->width() ) / 2), 15, 15);
painter.setBrush(QColor(190, 190, 190, 255));
painter.drawEllipse(QPoint( size().width() / 2, size().height() / 2), ( size().width() - sClosePixmap->width() ) / 2, ( size().height() - sClosePixmap->height() ) / 2);
painter.drawPixmap(size().width() - sClosePixmap->width(), size().height() / 2 + sClosePixmap->height() * 1, *sClosePixmap);
painter.drawPixmap(size().width() - sIncreasePixmap->width(), size().height() / 2 + sIncreasePixmap->height() * 2.5, *sIncreasePixmap);
painter.drawPixmap(size().width() - sDecreasePixmap->width(), size().height() / 2 + sDecreasePixmap->height() * 3.6, *sDecreasePixmap);
painter.drawPixmap(size().width() - mResizeItem->width() - 20, size().height() - mResizeItem->height() - 20, *mResizeItem);
}
else
{
painter.setBrush(QColor(127, 127, 127, 127));
painter.drawEllipse(QPoint( size().width() / 2, size().height() / 2), ( size().width() - sClosePixmap->width() ) / 2, ( size().height() - sClosePixmap->height() ) / 2);
}
painter.drawPixmap(0, 0, pMap);
}
void UBMagnifier::mousePressEvent ( QMouseEvent * event )
{
if(m_isInteractive)
{
QWidget::mousePressEvent(event);
if (event->pos().x() >= size().width() - mResizeItem->width() - 20 &&
event->pos().x() < size().width() - 20 &&
event->pos().y() >= size().height() - mResizeItem->height() - 20 &&
event->pos().y() < size().height() - - 20)
{
mShouldResizeWidget = true;
}
else
{
mShouldMoveWidget = !event->isAccepted() && (event->buttons() & Qt::LeftButton);
}
mMousePressPos = event->pos();
mMousePressDelta = (qreal)updPointGrab.x() + (qreal)size().width() / 2 - (qreal)event->globalPos().x();
event->accept();
update();
}
else
event->ignore();
}
void UBMagnifier::mouseMoveEvent ( QMouseEvent * event )
{
if(m_isInteractive)
{
if(mShouldMoveWidget && (event->buttons() & Qt::LeftButton))
{
move(pos() - mMousePressPos + event->pos());
event->accept();
QWidget::mouseMoveEvent(event);
emit magnifierMoved_Signal(QPoint(this->pos().x() + size().width() / 2, this->pos().y() + size().height() / 2 ));
return;
}
if(mShouldResizeWidget && (event->buttons() & Qt::LeftButton))
{
QPoint currGlobalPos = event->globalPos();
qreal cvW = mView->width();
qreal newXSize = ( currGlobalPos.x() + mMousePressDelta - updPointGrab.x() ) * 2;
qreal newPercentSize = newXSize * 100 / cvW;
emit magnifierResized_Signal(newPercentSize);
event->ignore();
return;
}
if (event->pos().x() >= size().width() - mResizeItem->width() - 20 &&
event->pos().x() < size().width() - 20 &&
event->pos().y() >= size().height() - mResizeItem->height() - 20 &&
event->pos().y() < size().height() - - 20 &&
isCusrsorAlreadyStored == false
)
{
mOldCursor = cursor();
isCusrsorAlreadyStored = true;
setCursor(mResizeCursor);
}
}
else
event->ignore();
}
void UBMagnifier::mouseReleaseEvent(QMouseEvent * event)
{
if(m_isInteractive)
{
mShouldMoveWidget = false;
mShouldResizeWidget = false;
if (event->pos().x() >= size().width() - sClosePixmap->width() &&
event->pos().x() < size().width()&&
event->pos().y() >= size().height() / 2 + sClosePixmap->height() * 1 &&
event->pos().y() < size().height() / 2 + sClosePixmap->height() * 2)
{
event->accept();
emit magnifierClose_Signal();
}
else
if (event->pos().x() >= size().width() - sIncreasePixmap->width() &&
event->pos().x() < size().width()&&
event->pos().y() >= size().height() / 2 + sIncreasePixmap->height() * 2.5 &&
event->pos().y() < size().height() / 2 + sIncreasePixmap->height() * 3.5)
{
event->accept();
emit magnifierZoomIn_Signal();
}
else
if (event->pos().x() >= size().width() - sDecreasePixmap->width() &&
event->pos().x() < size().width()&&
event->pos().y() >= size().height() / 2 + sDecreasePixmap->height() * 3.6 &&
event->pos().y() < size().height() / 2 + sDecreasePixmap->height() * 4.6)
{
event->accept();
emit magnifierZoomOut_Signal();
}
else
QWidget::mouseReleaseEvent(event); // don't propgate to parent, the widget is deleted in UBApplication::boardController->removeTool
}
else
event->ignore();
}
void UBMagnifier::timerEvent(QTimerEvent *e)
{
if(inTimer) return;
if (e->timerId() == timerUpdate)
{
inTimer = true;
if(!(updPointGrab.isNull()))
grabPoint(updPointGrab);
if(isCusrsorAlreadyStored)
{
QPoint globalCursorPos = QCursor::pos();
QPoint cursorPos = mapFromGlobal(globalCursorPos);
if (cursorPos.x() < size().width() - mResizeItem->width() - 20 ||
cursorPos.x() > size().width() - 20 ||
cursorPos.y() < size().height() - mResizeItem->height() - 20 ||
cursorPos.y() > size().height() - - 20
)
{
isCusrsorAlreadyStored = false;
setCursor(mOldCursor);
}
}
inTimer = false;
}
}
void UBMagnifier::grabPoint()
{
QPointF itemPos = gView->mapFromGlobal(updPointGrab);
qreal zWidth = size().width() / params.zoom;
qreal zWidthHalf = zWidth / 2;
qreal zHeight = size().height() / params.zoom;
qreal zHeightHalf = zHeight / 2;
int x = itemPos.x() - zWidthHalf;
int y = itemPos.y() - zHeightHalf;
QPixmap newPixMap(QSize(zWidth,zHeight));
((QWidget*)gView)->render(&newPixMap, QPoint(0, 0), QRegion(x, y, zWidth, zHeight));
UBApplication::boardController->activeScene()->update();
pMap.fill(Qt::transparent);
pMap = newPixMap.scaled(QSize(width(), height()));
pMap.setMask(bmpMask);
update();
}
void UBMagnifier::grabPoint(const QPoint &pGrab)
{
updPointGrab = pGrab;
QPointF itemPos = gView->mapFromGlobal(pGrab);
qreal zWidth = size().width() / params.zoom;
qreal zWidthHalf = zWidth / 2;
qreal zHeight = size().height() / params.zoom;
qreal zHeightHalf = zHeight / 2;
int x = itemPos.x() - zWidthHalf;
int y = itemPos.y() - zHeightHalf;
QPixmap newPixMap(QSize(zWidth,zHeight));
((QWidget*)gView)->render(&newPixMap, QPoint(0, 0), QRegion(x, y, zWidth, zHeight));
UBApplication::boardController->activeScene()->update();
pMap.fill(Qt::transparent);
pMap = newPixMap.scaled(QSize(width(), height()));
pMap.setMask(bmpMask);
update();
}
// from global
void UBMagnifier::grabNMove(const QPoint &pGrab, const QPoint &pMove, bool needGrab, bool needMove)
{
updPointGrab = pGrab;
updPointMove = pMove;
if(needGrab)
grabPoint(pGrab);
if(needMove)
{
QPoint movePos = mView->mapFromGlobal(pMove);
move(movePos.x() - width()/2, movePos.y() - height()/2);
// move(itemPos.x(), itemPos.y());
}
}
void UBMagnifier::setGrabView(QWidget *view)
{
if (timerUpdate != 0)
killTimer(timerUpdate);
gView = view;
timerUpdate = startTimer(200);
}
/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QtGui>
#include "UBMagnifer.h"
#include "core/UBApplication.h"
#include "board/UBBoardController.h"
#include "domain/UBGraphicsScene.h"
#include "board/UBBoardView.h"
#include "core/memcheck.h"
UBMagnifier::UBMagnifier(QWidget *parent, bool isInteractive)
: QWidget(parent, parent ? Qt::Widget : Qt::Tool | (Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::X11BypassWindowManagerHint))
, mShouldMoveWidget(false)
, mShouldResizeWidget(false)
, borderPen(Qt::darkGray)
, gView(0)
, mView(0)
{
isCusrsorAlreadyStored = false;
setMouseTracking(true);
//--------------------------------------------------//
QPixmap pix(":/images/cursors/resize.png");
QTransform tr;
tr.rotate(45);
mResizeCursor = QCursor(pix.transformed(tr, Qt::SmoothTransformation), pix.width() / 2, pix.height() / 2);
//--------------------------------------------------//
params.sizePercentFromScene = 20;
m_isInteractive = isInteractive;
sClosePixmap = new QPixmap(":/images/close.svg");
sIncreasePixmap = new QPixmap(":/images/increase.svg");
sDecreasePixmap = new QPixmap(":/images/decrease.svg");
mResizeItem = new QPixmap(":/images/resize.svg");
if (parent)
{
setAttribute(Qt::WA_NoMousePropagation);
}
else
{
// standalone window
// !!!! Should be included into Windows after QT recompilation
#ifndef Q_WS_WIN
// setAttribute(Qt::WA_TranslucentBackground);
setAttribute(Qt::WA_MacAlwaysShowToolWindow);
#endif
#ifdef Q_WS_MAC
setAttribute(Qt::WA_MacAlwaysShowToolWindow);
setAttribute(Qt::WA_MacNonActivatingToolWindow);
setAttribute(Qt::WA_MacNoShadow);
#endif
}
connect(&mRefreshTimer, SIGNAL(timeout()), this, SLOT(slot_refresh()));
}
UBMagnifier::~UBMagnifier()
{
if(sClosePixmap)
{
delete sClosePixmap;
sClosePixmap = NULL;
}
if(sIncreasePixmap)
{
delete sIncreasePixmap;
sIncreasePixmap = NULL;
}
if(sDecreasePixmap)
{
delete sDecreasePixmap;
sDecreasePixmap = NULL;
}
}
void UBMagnifier::setSize(qreal percentFromScene)
{
if(gView == NULL || mView == NULL) return;
// calculate object size
params.sizePercentFromScene = percentFromScene;
QSize sceneSize = mView->size();
qreal size = params.sizePercentFromScene * sceneSize.width() / 100;
QRect currGeom = geometry();
if(currGeom.width() == currGeom.height())
{
QPoint newPos = mView->mapFromGlobal(updPointMove);
setGeometry(newPos.x() - size / 2, newPos.y() - size / 2, size, size);
}
else
setGeometry(0, 0, size, size);
// prepare transparent bit mask
QImage mask_img(width(), height(), QImage::Format_Mono);
mask_img.fill(0xff);
QPainter mask_ptr(&mask_img);
mask_ptr.setBrush( QBrush( QColor(0, 0, 0) ) );
mask_ptr.drawEllipse(QPointF(size/2, size/2), size / 2 - sClosePixmap->width(), size / 2 - sClosePixmap->width());
bmpMask = QBitmap::fromImage(mask_img);
// prepare general image
pMap = QPixmap(width(), height());
pMap.fill(Qt::transparent);
pMap.setMask(bmpMask);
}
void UBMagnifier::setZoom(qreal zoom)
{
params.zoom = zoom;
}
void UBMagnifier::paintEvent(QPaintEvent * event)
{
Q_UNUSED(event);
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
painter.setPen(Qt::NoPen);
if (m_isInteractive)
{
painter.setBrush(QColor(127, 127, 127, 127));
painter.drawRoundedRect(QRectF(size().width() / 2, size().height() / 2, ( size().width() - sClosePixmap->width() ) / 2, ( size().height() - sClosePixmap->width() ) / 2), 15, 15);
painter.setBrush(QColor(190, 190, 190, 255));
painter.drawEllipse(QPoint( size().width() / 2, size().height() / 2), ( size().width() - sClosePixmap->width() ) / 2, ( size().height() - sClosePixmap->height() ) / 2);
painter.drawPixmap(size().width() - sClosePixmap->width(), size().height() / 2 + sClosePixmap->height() * 1, *sClosePixmap);
painter.drawPixmap(size().width() - sIncreasePixmap->width(), size().height() / 2 + sIncreasePixmap->height() * 2.5, *sIncreasePixmap);
painter.drawPixmap(size().width() - sDecreasePixmap->width(), size().height() / 2 + sDecreasePixmap->height() * 3.6, *sDecreasePixmap);
painter.drawPixmap(size().width() - mResizeItem->width() - 20, size().height() - mResizeItem->height() - 20, *mResizeItem);
}
else
{
painter.setBrush(QColor(127, 127, 127, 127));
painter.drawEllipse(QPoint( size().width() / 2, size().height() / 2), ( size().width() - sClosePixmap->width() ) / 2, ( size().height() - sClosePixmap->height() ) / 2);
}
painter.drawPixmap(0, 0, pMap);
}
void UBMagnifier::mousePressEvent ( QMouseEvent * event )
{
if(m_isInteractive)
{
QWidget::mousePressEvent(event);
if (event->pos().x() >= size().width() - mResizeItem->width() - 20 &&
event->pos().x() < size().width() - 20 &&
event->pos().y() >= size().height() - mResizeItem->height() - 20 &&
event->pos().y() < size().height() - - 20)
{
mShouldResizeWidget = true;
}
else
{
mShouldMoveWidget = !event->isAccepted() && (event->buttons() & Qt::LeftButton);
}
mMousePressPos = event->pos();
mMousePressDelta = (qreal)updPointGrab.x() + (qreal)size().width() / 2 - (qreal)event->globalPos().x();
event->accept();
update();
}
else
event->ignore();
}
void UBMagnifier::mouseMoveEvent ( QMouseEvent * event )
{
if(m_isInteractive)
{
if(mShouldMoveWidget && (event->buttons() & Qt::LeftButton))
{
move(pos() - mMousePressPos + event->pos());
event->accept();
QWidget::mouseMoveEvent(event);
emit magnifierMoved_Signal(QPoint(this->pos().x() + size().width() / 2, this->pos().y() + size().height() / 2 ));
return;
}
if(mShouldResizeWidget && (event->buttons() & Qt::LeftButton))
{
QPoint currGlobalPos = event->globalPos();
qreal cvW = mView->width();
qreal newXSize = ( currGlobalPos.x() + mMousePressDelta - updPointGrab.x() ) * 2;
qreal newPercentSize = newXSize * 100 / cvW;
emit magnifierResized_Signal(newPercentSize);
event->ignore();
return;
}
if (event->pos().x() >= size().width() - mResizeItem->width() - 20 &&
event->pos().x() < size().width() - 20 &&
event->pos().y() >= size().height() - mResizeItem->height() - 20 &&
event->pos().y() < size().height() - - 20 &&
isCusrsorAlreadyStored == false
)
{
mOldCursor = cursor();
isCusrsorAlreadyStored = true;
setCursor(mResizeCursor);
}
}
else
event->ignore();
}
void UBMagnifier::mouseReleaseEvent(QMouseEvent * event)
{
if(m_isInteractive)
{
mShouldMoveWidget = false;
mShouldResizeWidget = false;
if (event->pos().x() >= size().width() - sClosePixmap->width() &&
event->pos().x() < size().width()&&
event->pos().y() >= size().height() / 2 + sClosePixmap->height() * 1 &&
event->pos().y() < size().height() / 2 + sClosePixmap->height() * 2)
{
event->accept();
emit magnifierClose_Signal();
}
else
if (event->pos().x() >= size().width() - sIncreasePixmap->width() &&
event->pos().x() < size().width()&&
event->pos().y() >= size().height() / 2 + sIncreasePixmap->height() * 2.5 &&
event->pos().y() < size().height() / 2 + sIncreasePixmap->height() * 3.5)
{
event->accept();
emit magnifierZoomIn_Signal();
}
else
if (event->pos().x() >= size().width() - sDecreasePixmap->width() &&
event->pos().x() < size().width()&&
event->pos().y() >= size().height() / 2 + sDecreasePixmap->height() * 3.6 &&
event->pos().y() < size().height() / 2 + sDecreasePixmap->height() * 4.6)
{
event->accept();
emit magnifierZoomOut_Signal();
}
else
QWidget::mouseReleaseEvent(event); // don't propgate to parent, the widget is deleted in UBApplication::boardController->removeTool
}
else
event->ignore();
}
void UBMagnifier::slot_refresh()
{
if(!(updPointGrab.isNull()))
grabPoint(updPointGrab);
if(isCusrsorAlreadyStored)
{
QPoint globalCursorPos = QCursor::pos();
QPoint cursorPos = mapFromGlobal(globalCursorPos);
if (cursorPos.x() < size().width() - mResizeItem->width() - 20 ||
cursorPos.x() > size().width() - 20 ||
cursorPos.y() < size().height() - mResizeItem->height() - 20 ||
cursorPos.y() > size().height() - - 20
)
{
isCusrsorAlreadyStored = false;
setCursor(mOldCursor);
}
}
}
void UBMagnifier::grabPoint()
{
QMatrix transM = UBApplication::boardController->controlView()->matrix();
QPointF itemPos = gView->mapFromGlobal(updPointGrab);
qreal zWidth = width() / (params.zoom * transM.m11());
qreal zWidthHalf = zWidth / 2;
qreal zHeight = height() / (params.zoom * transM.m22());
qreal zHeightHalf = zHeight / 2;
QPointF pfScLtF(UBApplication::boardController->controlView()->mapToScene(QPoint(itemPos.x(), itemPos.y())));
QRect magnifierRect = rect();
float x = pfScLtF.x() - zWidthHalf;
float y = pfScLtF.y() - zHeightHalf;
QPointF leftTop(x,y);
QPointF rightBottom(x + zWidth, y + zHeight);
QRectF srcRect(leftTop, rightBottom);
QPixmap newPixMap(QSize(width(), height()));
QPainter painter(&newPixMap);
UBApplication::boardController->activeScene()->render(&painter, QRectF(0,0,width(),height()), srcRect);
painter.end();
pMap.fill(Qt::transparent);
pMap = newPixMap.scaled(QSize(width(), height()));
pMap.setMask(bmpMask);
update();
}
void UBMagnifier::grabPoint(const QPoint &pGrab)
{
QMatrix transM = UBApplication::boardController->controlView()->matrix();
updPointGrab = pGrab;
QPointF itemPos = gView->mapFromGlobal(pGrab);
qreal zWidth = width() / (params.zoom * transM.m11());
qreal zWidthHalf = zWidth / 2;
qreal zHeight = height() / (params.zoom * transM.m22());
qreal zHeightHalf = zHeight / 2;
QPointF pfScLtF(UBApplication::boardController->controlView()->mapToScene(QPoint(itemPos.x(), itemPos.y())));
QRect magnifierRect = rect();
float x = pfScLtF.x() - zWidthHalf;
float y = pfScLtF.y() - zHeightHalf;
QPointF leftTop(x,y);
QPointF rightBottom(x + zWidth, y + zHeight);
QRectF srcRect(leftTop, rightBottom);
QPixmap newPixMap(QSize(width(), height()));
QPainter painter(&newPixMap);
UBApplication::boardController->activeScene()->render(&painter, QRectF(0,0,width(),height()), srcRect);
painter.end();
// pMap.fill(Qt::transparent);
pMap = newPixMap;
pMap.setMask(bmpMask);
update();
}
// from global
void UBMagnifier::grabNMove(const QPoint &pGrab, const QPoint &pMove, bool needGrab, bool needMove)
{
updPointGrab = pGrab;
updPointMove = pMove;
if(needGrab)
grabPoint(pGrab);
if(needMove)
{
QPoint movePos = mView->mapFromGlobal(pMove);
move(movePos.x() - width()/2, movePos.y() - height()/2);
// move(itemPos.x(), itemPos.y());
}
}
void UBMagnifier::setGrabView(QWidget *view)
{
gView = view;
mRefreshTimer.setInterval(40);
mRefreshTimer.start();
}

193
src/gui/UBMagnifer.h
Unescape View File

@ -1,96 +1,97 @@
/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UBMAGNIFIER_H
#define UBMAGNIFIER_H
#include <QtGui>
class UBMagnifierParams
{
public :
int x;
int y;
qreal zoom;
qreal sizePercentFromScene;
};
class UBMagnifier : public QWidget
{
Q_OBJECT
public:
UBMagnifier(QWidget *parent = 0, bool isInteractive = false);
~UBMagnifier();
void setSize(qreal percentFromScene);
void setZoom(qreal zoom);
void setGrabView(QWidget *view);
void setMoveView(QWidget *view) {mView = view;}
void grabPoint();
void grabPoint(const QPoint &point);
void grabNMove(const QPoint &pGrab, const QPoint &pMove, bool needGrab = true, bool needMove = true);
UBMagnifierParams params;
signals:
void magnifierMoved_Signal(QPoint newPos);
void magnifierClose_Signal();
void magnifierZoomIn_Signal();
void magnifierZoomOut_Signal();
void magnifierResized_Signal(qreal newPercentSize);
protected:
void paintEvent(QPaintEvent *);
void timerEvent(QTimerEvent *);
virtual void mousePressEvent ( QMouseEvent * event );
virtual void mouseMoveEvent ( QMouseEvent * event );
virtual void mouseReleaseEvent ( QMouseEvent * event );
QPoint mMousePressPos;
qreal mMousePressDelta;
bool mShouldMoveWidget;
bool mShouldResizeWidget;
QPixmap *sClosePixmap;
QPixmap *sIncreasePixmap;
QPixmap *sDecreasePixmap;
QPixmap *mResizeItem;
bool isCusrsorAlreadyStored;
QCursor mOldCursor;
QCursor mResizeCursor;
private:
bool inTimer;
bool m_isInteractive;
int timerUpdate;
QPoint updPointGrab;
QPoint updPointMove;
QPixmap pMap;
QBitmap bmpMask;
QPen borderPen;
QWidget *gView;
QWidget *mView;
};
#endif // UBMAGNIFIER_H
/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UBMAGNIFIER_H
#define UBMAGNIFIER_H
#include <QtGui>
class UBMagnifierParams
{
public :
int x;
int y;
qreal zoom;
qreal sizePercentFromScene;
};
class UBMagnifier : public QWidget
{
Q_OBJECT
public:
UBMagnifier(QWidget *parent = 0, bool isInteractive = false);
~UBMagnifier();
void setSize(qreal percentFromScene);
void setZoom(qreal zoom);
void setGrabView(QWidget *view);
void setMoveView(QWidget *view) {mView = view;}
void grabPoint();
void grabPoint(const QPoint &point);
void grabNMove(const QPoint &pGrab, const QPoint &pMove, bool needGrab = true, bool needMove = true);
UBMagnifierParams params;
signals:
void magnifierMoved_Signal(QPoint newPos);
void magnifierClose_Signal();
void magnifierZoomIn_Signal();
void magnifierZoomOut_Signal();
void magnifierResized_Signal(qreal newPercentSize);
public slots:
void slot_refresh();
protected:
void paintEvent(QPaintEvent *);
virtual void mousePressEvent ( QMouseEvent * event );
virtual void mouseMoveEvent ( QMouseEvent * event );
virtual void mouseReleaseEvent ( QMouseEvent * event );
QPoint mMousePressPos;
qreal mMousePressDelta;
bool mShouldMoveWidget;
bool mShouldResizeWidget;
QPixmap *sClosePixmap;
QPixmap *sIncreasePixmap;
QPixmap *sDecreasePixmap;
QPixmap *mResizeItem;
bool isCusrsorAlreadyStored;
QCursor mOldCursor;
QCursor mResizeCursor;
private:
QTimer mRefreshTimer;
bool m_isInteractive;
QPoint updPointGrab;
QPoint updPointMove;
QPixmap pMap;
QBitmap bmpMask;
QPen borderPen;
QWidget *gView;
QWidget *mView;
};
#endif // UBMAGNIFIER_H

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