FormEditorGraphicsView::FormEditorGraphicsView(QWidget *parent) :
QGraphicsView(parent)
{
setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
setResizeAnchor(QGraphicsView::AnchorViewCenter);
setCacheMode(QGraphicsView::CacheNone);
// setCacheMode(QGraphicsView::CacheBackground);
setViewportUpdateMode(QGraphicsView::SmartViewportUpdate);
setOptimizationFlags(QGraphicsView::DontSavePainterState);
// setViewportUpdateMode(QGraphicsView::NoViewportUpdate);
setRenderHint(QPainter::Antialiasing, false);
setFrameShape(QFrame::NoFrame);
setAutoFillBackground(true);
setBackgroundRole(QPalette::Window);
const int checkerbordSize= 20;
QPixmap tilePixmap(checkerbordSize * 2, checkerbordSize * 2);
tilePixmap.fill(Qt::white);
QPainter tilePainter(&tilePixmap);
QColor color(220, 220, 220);
tilePainter.fillRect(0, 0, checkerbordSize, checkerbordSize, color);
tilePainter.fillRect(checkerbordSize, checkerbordSize, checkerbordSize, checkerbordSize, color);
tilePainter.end();
setBackgroundBrush(tilePixmap);
viewport()->setMouseTracking(true);
}
QImage SvgPatternHelper::generateImage( const QRectF &objectBound, const QList<KoShape*> content )
{
KoZoomHandler zoomHandler;
QSizeF patternSize = size( objectBound );
QSizeF tileSize = zoomHandler.documentToView( patternSize );
QMatrix viewMatrix;
if( ! m_patternContentViewbox.isNull() )
{
viewMatrix.translate( -m_patternContentViewbox.x(), -m_patternContentViewbox.y() );
const qreal xScale = patternSize.width() / m_patternContentViewbox.width();
const qreal yScale = patternSize.height() / m_patternContentViewbox.height();
viewMatrix.scale( xScale, yScale );
}
// setup the tile image
QImage tile( tileSize.toSize(), QImage::Format_ARGB32 );
tile.fill( QColor( Qt::transparent ).rgba() );
// setup the painter to paint the tile content
QPainter tilePainter( &tile );
tilePainter.setClipRect( tile.rect() );
tilePainter.setWorldMatrix( viewMatrix );
//tilePainter.setRenderHint(QPainter::Antialiasing);
// paint the content into the tile image
KoShapePainter shapePainter;
shapePainter.setShapes( content );
shapePainter.paintShapes( tilePainter, zoomHandler );
return tile;
}
static inline QPixmap tilePixMap(int size)
{
const int checkerbordSize= size;
QPixmap tilePixmap(checkerbordSize * 2, checkerbordSize * 2);
tilePixmap.fill(Qt::white);
QPainter tilePainter(&tilePixmap);
QColor color(220, 220, 220);
tilePainter.fillRect(0, 0, checkerbordSize, checkerbordSize, color);
tilePainter.fillRect(checkerbordSize, checkerbordSize, checkerbordSize, checkerbordSize, color);
return tilePixmap;
}
void FormEditorGraphicsView::activateCheckboardBackground()
{
const int checkerbordSize = 20;
QPixmap tilePixmap(checkerbordSize * 2, checkerbordSize * 2);
tilePixmap.fill(Qt::white);
QPainter tilePainter(&tilePixmap);
QColor color(220, 220, 220);
tilePainter.fillRect(0, 0, checkerbordSize, checkerbordSize, color);
tilePainter.fillRect(checkerbordSize, checkerbordSize, checkerbordSize, checkerbordSize, color);
tilePainter.end();
setBackgroundBrush(tilePixmap);
}
FormView::FormView(QWidget *parent)
:QGraphicsView(parent)
{
setScene(new QGraphicsScene(this));
setTransformationAnchor(AnchorUnderMouse);
setDragMode(ScrollHandDrag);
setViewportUpdateMode(FullViewportUpdate);
// Prepare background check-board pattern
QPixmap tilePixmap(64, 64);
tilePixmap.fill(Qt::white);
QPainter tilePainter(&tilePixmap);
QColor color(220, 220, 220);
tilePainter.fillRect(0, 0, 32, 32, color);
tilePainter.fillRect(32, 32, 32, 32, color);
tilePainter.end();
setBackgroundBrush(tilePixmap);
}
RenderArea::RenderArea(QWidget *parent) :
QGraphicsView(parent)
{
figure = 0;
setpoint = false;
setScene(new QGraphicsScene(this));
setTransformationAnchor(AnchorUnderMouse);//
setDragMode(NoDrag);//перемещение
setViewportUpdateMode(FullViewportUpdate);//
QPixmap tilePixmap(64, 64);
tilePixmap.fill(Qt::white);
QPainter tilePainter(&tilePixmap);
QColor color(220, 220, 220);
tilePainter.fillRect(0, 0, 32, 32, color);
tilePainter.fillRect(32, 32, 32, 32, color);
tilePainter.end();
setBackgroundBrush(tilePixmap);
graphicsScene = scene();
}
ImageView::ImageView(QWidget *parent)
: QGraphicsView(parent),
d(new ImageViewPrivate())
{
setScene(new QGraphicsScene(this));
setTransformationAnchor(AnchorUnderMouse);
setDragMode(ScrollHandDrag);
setViewportUpdateMode(FullViewportUpdate);
setFrameShape(QFrame::NoFrame);
setRenderHint(QPainter::SmoothPixmapTransform);
// Prepare background check-board pattern
QPixmap tilePixmap(64, 64);
tilePixmap.fill(Qt::white);
QPainter tilePainter(&tilePixmap);
QColor color(220, 220, 220);
tilePainter.fillRect(0, 0, 0x20, 0x20, color);
tilePainter.fillRect(0x20, 0x20, 0x20, 0x20, color);
tilePainter.end();
setBackgroundBrush(tilePixmap);
}
SvgView::SvgView(QWidget *parent)
: QGraphicsView(parent)
, m_renderer(Native)
, m_svgItem(0)
, m_backgroundItem(0)
, m_outlineItem(0)
{
setScene(new QGraphicsScene(this));
setTransformationAnchor(AnchorUnderMouse);
setDragMode(ScrollHandDrag);
// Prepare background check-board pattern
QPixmap tilePixmap(64, 64);
tilePixmap.fill(Qt::white);
QPainter tilePainter(&tilePixmap);
QColor color(220, 220, 220);
tilePainter.fillRect(0, 0, 32, 32, color);
tilePainter.fillRect(32, 32, 32, 32, color);
tilePainter.end();
setBackgroundBrush(tilePixmap);
}
void WebViewCache::draw(QPainter * painter, QGraphicsEffectSource * source)
{
const QGraphicsItem *item = source->graphicsItem();
QSizeF itemSize = item->boundingRect().size();
if (!qFuzzyCompare(itemSize.width(), m_itemSize.width()) ||
!qFuzzyCompare(itemSize.height(), m_itemSize.height())) {
qDebug() << "Refresh tile cache, for new size" << itemSize;
for (int i = 0; i < m_tilePixmaps.size(); i++) {
QPixmapCache::remove(m_tilePixmaps[i]);
}
m_tilePixmaps.clear();
m_tileRects.clear();
int itemWidth = itemSize.width() + 0.5;
int itemHeight = itemSize.height() + 0.5;
int tilesX = itemWidth / TileSideLength;
int tilesY = itemHeight / TileSideLength;
if ((itemWidth % TileSideLength) != 0) {
++tilesX;
}
if ((itemHeight % TileSideLength) != 0) {
++tilesY;
}
int tilesCount = tilesX * tilesY;
m_tilePixmaps.resize(tilesCount);
m_tileRects.resize(tilesCount);
for (int i = 0; i < tilesX; i++) {
for (int j = 0; j < tilesY; j++) {
int x = i * TileSideLength;
int y = j * TileSideLength;
m_tileRects[i + j * tilesX]
= QRectF(x, y, TileSideLength, TileSideLength);
}
}
m_itemSize = itemSize;
}
const QGraphicsItem *parentItem = item->parentItem();
QPointF itemPos = item->pos();
QRectF parentRect = parentItem->boundingRect();
for (int i = 0; i < m_tileRects.size(); i++) {
QRectF tileRect = m_tileRects[i].translated(itemPos);
if (!tileRect.intersects(parentRect) && !tileRect.contains(parentRect)) {
continue;
}
QPixmap tilePixmap;
if (!QPixmapCache::find(m_tilePixmaps[i], &tilePixmap)) {
tilePixmap = QPixmap(TileSideLength, TileSideLength);
QWebFrame *webFrame = m_webView->page()->mainFrame();
QPainter tilePainter(&tilePixmap);
tilePainter.translate(-m_tileRects[i].left(), -m_tileRects[i].top());
webFrame->render(&tilePainter, m_tileRects[i].toRect());
tilePainter.end();
m_tilePixmaps[i] = QPixmapCache::insert(tilePixmap);
}
tileRect = tileRect.translated(-itemPos);
painter->drawPixmap(tileRect.topLeft(), tilePixmap);
}
}
