void FinderHomeWidget::paintEvent(QPaintEvent * /*event*/) {
QPainter painter(this);
QLinearGradient linearGrad(0, 0, 0, height());
linearGrad.setColorAt(0, QColor(0x33, 0x33, 0x33));
linearGrad.setColorAt(.2, QColor(0x43, 0x43, 0x43));
painter.fillRect(0, 0, width(), height(), QBrush(linearGrad));
}
GraphGraphicsView::GraphGraphicsView(QWidget *parent) :
QGraphicsView(parent)
{
setScene(&scene);
resize(1000,500);
setBackgroundBrush(Qt::white);
setFocus();
QLinearGradient linearGrad(-500, -500, 500, 500); // átmenetes ecset
linearGrad.setColorAt(0, QColor(255, 255, 255));
linearGrad.setColorAt(1, QColor(192, 192, 192));
setBackgroundBrush(linearGrad);
setRenderHint(QPainter::Antialiasing);
setFrameStyle(QFrame::NoFrame);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
qsrand(QTime::currentTime().msec());
randomGraph();
dDialog = new dijkstraDialog();
source = -1;
destination = -1;
QObject::connect(dDialog, SIGNAL(runDijkstraFromTo(int,int)),
this, SLOT(runDijkstra(int,int)));
}
void tst_QAbstractScrollArea::patternBackground()
{
QWidget topLevel;
QScrollArea scrollArea(&topLevel);
scrollArea.resize(200, 200);
QWidget widget;
widget.resize(600, 600);
scrollArea.setWidget(&widget);
topLevel.show();
QLinearGradient linearGrad(QPointF(250, 250), QPointF(300, 300));
linearGrad.setColorAt(0, Qt::yellow);
linearGrad.setColorAt(1, Qt::red);
QBrush bg(linearGrad);
scrollArea.viewport()->setPalette(QPalette(Qt::black, bg, bg, bg, bg, bg, bg, bg, bg));
widget.setPalette(Qt::transparent);
QTest::qWait(50);
QImage image(200, 200, QImage::Format_ARGB32);
scrollArea.render(&image);
QCOMPARE(image.pixel(QPoint(20,20)) , QColor(Qt::yellow).rgb());
QScrollBar *hbar = scrollArea.horizontalScrollBar();
hbar->setValue(hbar->maximum());
QScrollBar *vbar = scrollArea.verticalScrollBar();
vbar->setValue(vbar->maximum());
QTest::qWait(50);
scrollArea.render(&image);
QCOMPARE(image.pixel(QPoint(20,20)) , QColor(Qt::red).rgb());
}
void FacebookContactUI::paintFrontView(QPainter *painter, const QRectF &rect)
{
QPainterPath backgroundPath;
backgroundPath.addRoundedRect(rect, 6.0, 6.0);
painter->fillPath(backgroundPath, QColor(235, 235, 235));
if (d->mSearchBox) {
QRectF searchBoxRect = QRectF (0.0, d->mScrollView->contentRect().height() + 28,
rect.width(), rect.height());
QRectF searchBoxLineRect = QRectF (0.0, d->mScrollView->contentRect().height() + 29,
rect.width(), rect.height());
QPen pen = QPen(QColor(220, 220, 220), 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
painter->setPen(pen);
QLinearGradient linearGrad(searchBoxRect.topRight(), searchBoxRect.bottomRight());
linearGrad.setColorAt(0, QColor(93, 103, 114));
linearGrad.setColorAt(1, QColor(66, 77, 88));
painter->fillRect(searchBoxRect, linearGrad);
painter->drawLine(searchBoxRect.topRight(), searchBoxRect.topLeft());
pen = QPen(QColor(88, 88, 88), 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
painter->setPen(pen);
painter->drawLine(searchBoxLineRect.topRight(), searchBoxLineRect.topLeft());
}
}
void AddRemoveButton::paint (QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
qreal alpha = pressed ? 255 : 150;
QLinearGradient linearGrad(QPointF(-32, -32), QPointF(32, 32));
linearGrad.setColorAt(0, QColor(209, 196, 180, alpha));
linearGrad.setColorAt(1, QColor(167, 151, 128, alpha));
painter->setPen(QColor(147, 134, 115));
painter->setBrush(linearGrad);
painter->drawEllipse(-32,-32,64,64);
painter->setPen(QPen(QColor(147, 134, 115),5,Qt::SolidLine,Qt::RoundCap));
if (add)
{
painter->drawLine(-16,0,16,0);
painter->drawLine(0,-16,0,16);
}
else
{
painter->drawLine(-11,-11,11,11);
painter->drawLine(-11,11,11,-11);
}
}
void dtkSplitterHandle::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event);
QPainter painter(this);
QColor topColor(145, 145, 145);
QColor bottomColor(142, 142, 142);
QColor gradientStart(252, 252, 252);
QColor gradientStop(223, 223, 223);
if (orientation() == Qt::Vertical) {
painter.setPen(topColor);
painter.drawLine(0, 0, width(), 0);
if(m_slim)
return;
painter.setPen(bottomColor);
painter.drawLine(0, height()-1, width(), height()-1);
QLinearGradient linearGrad(QPointF(0, 0), QPointF(0, height()-3));
linearGrad.setColorAt(0, gradientStart);
linearGrad.setColorAt(1, gradientStop);
painter.fillRect(QRect(QPoint(0,1), size() - QSize(0, 2)), QBrush(linearGrad));
} else {
painter.setPen(topColor);
painter.drawLine(0, 0, 0, height());
}
}
void TextPercentDelegate::paint(QPainter *painter,
const QStyleOptionViewItem &option, const QModelIndex &index) const
{
double percentage = index.model()->data(index, Qt::UserRole).toDouble();
QString text = index.model()->data(index).toString();
painter->save();
if (option.state & QStyle::State_Selected) {
painter->fillRect(option.rect, option.palette.highlight());
}
QLinearGradient linearGrad(0, option.rect.y(), 0,
option.rect.y() + 0.5 * option.rect.height());
linearGrad.setColorAt(0, QColor(58, 129, 15));
linearGrad.setColorAt(1, QColor(214, 239, 182));
linearGrad.setSpread(QGradient::ReflectSpread);
QBrush brush(linearGrad);
painter->fillRect(option.rect.x(), option.rect.y(),
(int) (option.rect.width() * percentage), option.rect.height() - 1,
brush);
painter->fillRect(option.rect.x(), option.rect.y() + option.rect.height(),
(int) (option.rect.width() * percentage),
option.rect.y() + option.rect.height(), Qt::white);
QItemDelegate::paint(painter, option, index);
painter->restore();
}
// Update parent button's icon
void GridColourPopup::updateParentButtonIcon(QColor colour)
{
if (!parentMenuButton())
{
printf("GridColourPopup: No parent button set, so no icon to update.");
return;
}
QPixmap pixmap(32,32);
QPainter painter(&pixmap);
QPen pen;
// Clear pixmap with white background colour (so that transparent colours are displayed correctly)
// painter.setBrush(parentMenuButton()->palette().background());
painter.setBrush(Qt::white);
painter.setPen(Qt::NoPen);
painter.drawRect(-1, -1, 32, 32);
// Setup gradient - the top-left corner will be the actual opaque colour, and the bottom-right the alpha valued colour
QLinearGradient linearGrad(QPointF(0, 0), QPointF(16, 16));
linearGrad.setColorAt(0, QColor(colour.red(), colour.green(), colour.blue(), 255));
linearGrad.setColorAt(1, colour);
painter.setBrush(linearGrad);
// Draw circle
pen.setWidth(1);
pen.setColor(Qt::black);
painter.setPen(pen);
painter.drawRoundRect(0, 0, 31, 31, 10, 10);
painter.end();
parentMenuButton()->setIcon(QIcon(pixmap));
}
// Paint the horizontal handle as a gradient, paint
// the vertical handle as a line.
void QMacSplitterHandle::paintEvent(QPaintEvent *e)
{
Q_UNUSED(e);
QPainter painter(this);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
painter.setWorldMatrixEnabled(false);
painter.setViewTransformEnabled(false);
QColor topColor(145, 145, 145);
QColor bottomColor(142, 142, 142);
QColor gradientStart(252, 252, 252);
QColor gradientStop(223, 223, 223);
if (orientation() == Qt::Vertical) {
painter.setPen(topColor);
painter.drawLine(0, 0, width(), 0);
painter.setPen(bottomColor);
painter.drawLine(0, height() - 1, width(), height() - 1);
QLinearGradient linearGrad(QPointF(0, 0), QPointF(0, height() -3));
linearGrad.setColorAt(0, gradientStart);
linearGrad.setColorAt(1, gradientStop);
painter.fillRect(QRect(QPoint(0,1), size() - QSize(0, 2)), QBrush(linearGrad));
} else {
painter.setPen(topColor);
painter.drawLine(0, 0, 0, height());
}
}
void Connexion::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,QWidget *widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
painter->save();
//MODIFICATION DES COORDONNEES DE DESSINS
qreal angle = qRadiansToDegrees(qAtan2(n1.y()-n2.y(),n1.x()-n2.x()))+90;
painter->rotate(angle);
painter->translate(0, n1.getRadius());
//DESSIN DE LA CONNEXION
painter->save();
QColor c1 = n1.getOwner() != 0 ? n1.getOwner()->getColor() : VACANT_COLOR;
QColor c2 = n2.getOwner() != 0 ? n2.getOwner()->getColor() : VACANT_COLOR;
QLinearGradient linearGrad(0, 0, 0, distance);
linearGrad.setColorAt(0, c1);
linearGrad.setColorAt(1, c2);
painter->setPen(Qt::NoPen);
painter->fillRect(-2, 0, 4, distance, linearGrad);
painter->restore();
//DESSIN DES SQUADS
foreach(Squad *s, lstSquad1To2)
{
squadPatern(painter, s);
}
void Layer::paintSelection( QPainter& painter, int x, int y, int width, int height )
{
QLinearGradient linearGrad( QPointF( 0, y ), QPointF( 0, y + height ) );
QSettings settings( "Pencil", "Pencil" );
QString style = settings.value( "style" ).toString();
if ( style == "aqua" )
{
linearGrad.setColorAt( 0, QColor( 225, 225, 255, 100 ) );
linearGrad.setColorAt( 0.10, QColor( 225, 225, 255, 80 ) );
linearGrad.setColorAt( 0.20, QColor( 225, 225, 255, 64 ) );
linearGrad.setColorAt( 0.35, QColor( 225, 225, 255, 20 ) );
linearGrad.setColorAt( 0.351, QColor( 0, 0, 0, 32 ) );
linearGrad.setColorAt( 0.66, QColor( 245, 255, 235, 32 ) );
linearGrad.setColorAt( 1, QColor( 245, 255, 235, 128 ) );
}
else
{
linearGrad.setColorAt( 0, QColor( 255, 255, 255, 128 ) );
linearGrad.setColorAt( 0.49, QColor( 255, 255, 255, 0 ) );
linearGrad.setColorAt( 0.50, QColor( 0, 0, 0, 0 ) );
linearGrad.setColorAt( 1, QColor( 0, 0, 0, 48 ) );
}
painter.setBrush( linearGrad );
painter.setPen( Qt::NoPen );
painter.drawRect( x, y, width, height - 1 );
}
void TrafficGraph::drawTopBarContents(QPainter *p, int x, int width, int height)
{
//The height is the height of the contents, so this will be one pixel less than the height of the topbar
double bias = -mNiceMinValue;
double scaleFac = width / mNiceRange;
QList<QColor>::Iterator col;
col = mBeamColors.end();
/**
* The top bar shows the current values of all the beam data.
* This iterates through each different beam and plots the newest data for each
*/
if ( !mBeamData.isEmpty() ) {
QList<double> newestData = mBeamData.first();
for(int i = newestData.count()-1; i >= 0; --i) {
double newest_datapoint = newestData.at(i);
int start = x + (int)( bias * scaleFac );
int end = x + (int)( ( bias += newest_datapoint ) * scaleFac );
int start2 = qMin(start,end);
end = qMax(start,end);
start = start2;
/* If the rect is wider than 2 pixels we draw only the last
* pixels with the bright color. The rest is painted with
* a 50% darker color. */
p->setPen(Qt::NoPen);
QLinearGradient linearGrad( QPointF(start,1), QPointF(end, 1));
linearGrad.setColorAt(0, mBeamColorsDark[i]);
linearGrad.setColorAt(1, mBeamColors[i]);
p->fillRect( start, 1, end - start, height-1, QBrush(linearGrad));
}
}
}
void xProgressBar::overPaintSelectedChunks(const std::vector<uint32_t>& chunks,const QColor& gradColor_a1,const QColor& gradColor_a2, int width,uint32_t ss) const
{
QLinearGradient linearGrad(rect.x(), rect.y(), rect.x(), rect.y() + rect.height() - 1);
linearGrad.setColorAt(0.00, gradColor_a1);
linearGrad.setColorAt(0.16, gradColor_a2);
linearGrad.setColorAt(1.00, gradColor_a1);
painter->setBrush(linearGrad);
std::cerr << "painting chunks: " ;
for(uint32_t i=0;i<chunks.size();++i)
std::cerr << chunks[i] << " " ;
std::cerr << std::endl;
if(chunks.empty())
return ;
int last_i = chunks[0] ;
for(uint32_t i=1;i<chunks.size();++i)
if(chunks[i] > chunks[i-1]+1)
{
int nb_consecutive_chunks = chunks[i-1] - last_i + 1 ;
painter->drawRect(rect.x() + hSpan+(int)rint(last_i*width/(float)ss), rect.y() + vSpan, (int)ceil(nb_consecutive_chunks*width/(float)ss), rect.height() - 1 - vSpan * 2);
last_i = chunks[i] ;
}
int nb_consecutive_chunks = chunks.back() - last_i + 1 ;
painter->drawRect(rect.x() + hSpan+(int)rint(last_i*width/(float)ss), rect.y() + vSpan, (int)ceil(nb_consecutive_chunks*width/(float)ss), rect.height() - 1 - vSpan * 2);
}
// =============================================================================
// NavBar: PROTECTED Methods
// =============================================================================
void QfNavBar::paintEvent (QPaintEvent *event)
{
QWidget::paintEvent(event);
// Recall Update() if painter area is not complete!
if (event->rect().x() > 0 || event->rect().y() > 0)
{
update();
}
QPainter p(this);
p.setRenderHint(QPainter::Antialiasing);
p.fillRect(event->rect(), d->colorBackground);
// Draw Selection
if (d->groupSelected != NULL && d->groupSelected->isExpanded() && d->itemSelected != NULL)
{
QPoint pos = d->groupSelected->pos() + d->itemSelected->pos();
int width = geometry().width();
int r = d->colorSelection.red();
int g = d->colorSelection.green();
int b = d->colorSelection.blue();
p.fillRect(0, pos.y() - 1, width, 1, QColor(r - 0x26, g - 0x26, b - 0x26));
QLinearGradient linearGrad(QPointF(0, pos.y()), QPointF(0, pos.y() + d->itemSelected->height()));
linearGrad.setColorAt(0, d->colorSelection);
linearGrad.setColorAt(1, QColor(r - 0x3b, g - 0x3b, b - 0x3b));
p.fillRect(0, pos.y(), width, d->itemSelected->height(), linearGrad);
}
p.end();
}
void IndicatorItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) {
painter->setRenderHint(QPainter::Antialiasing);
QPen pen(color);
pen.setWidthF(width);
int baseX = qMin(start.x(), finish.x());
int baseY = qMin(start.y(), finish.y());
QLinearGradient linearGrad(start - QPoint(baseX, baseY),
finish - QPoint(baseX, baseY));
QColor start_color(255, 255, 255, 0);
linearGrad.setColorAt(0, start_color);
linearGrad.setColorAt(1, color.lighter());
QBrush brush(linearGrad);
pen.setBrush(brush);
painter->setPen(pen);
painter->drawLine(mapFromScene(start), mapFromScene(finish));
QPen pen2(QColor(200, 200, 200, 30));
pen2.setWidth(6);
painter->setPen(pen2);
painter->drawLine(mapFromScene(start), mapFromScene(finish));
}
void SessionBar::paintEvent(QPaintEvent *)
{
QPainter painter(this);
QRect rect(1,1,width()-2,height()-2);
painter.drawRect(rect);
SegType mn=min();
SegType mx=max();
if (mx < mn)
return;
SegType total=mx-mn;
double px=double(width()-5) / double(total);
double sx,ex;
QList<SBSeg>::iterator i;
for (i=segments.begin();i!=segments.end();++i) {
SBSeg & seg=*i;
qint64 mm=seg.session->first(), MM=seg.session->last(), L=MM-mm;
sx=double(mm - mn) * px;
ex=double(MM - mn) * px;
if (ex>width()-5) ex=width()-5;
ex-=sx;
int len=L/1000L;
int h=len/3600;
int m=(len/60) % 60;
int s=len % 60;
QString msg=QString("%1h %2m").arg((short)h,1,10,QChar('0')).arg((short)m,1,10,QChar('0'));//.arg((short)s,2,10,QChar('0'));
//painter.setBrush(QBrush((*i).color);
QRect segrect(3+sx,3,ex,height()-6);
if (seg.session->enabled()) {
QLinearGradient linearGrad(QPointF(0, 0), QPointF(0, height()/2));
linearGrad.setSpread(QGradient::ReflectSpread);
QColor col=seg.color;
if (seg.highlight) col=brighten(col);
linearGrad.setColorAt(0, col);
linearGrad.setColorAt(1, brighten(col));
QBrush brush(linearGrad);
painter.fillRect(segrect,brush);
} else {
if (seg.highlight) {
QColor col=QColor("#f0f0f0");
painter.fillRect(segrect,col);
}
//msg="Off";
}
QRect rect=painter.boundingRect(segrect, Qt::AlignCenter, msg);
if (rect.width() < segrect.width()) {
painter.drawText(segrect,Qt::AlignCenter,msg);
}
painter.drawRect(segrect);
}
}
/****************************************************************************
**
** Copyright (C) 2014
**
** This file is generated by the Magus toolkit
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
****************************************************************************/
// Include
#include <QMessageBox>
#include <QStyleOptionGraphicsItem>
#include <QLinearGradient>
#include <QPen>
#include <QBrush>
#include <QColor>
#include <QPainter>
#include <QPixmap>
#include "node_constants.h"
#include "node_node.h"
#include "node_port.h"
#include "node_editorwidget.h"
namespace Magus
{
//****************************************************************************/
QtNode::QtNode(QString title, QGraphicsItem* parent) : QGraphicsPathItem(parent)
{
// Header
mZoom = 1.0f;
mActiveConnection = 0;
mUserData = 0;
mPixmapItem = new QGraphicsPixmapItem(this);
mImageSet = false;
mAutoSize = true;
mIconSize = mZoom * NODE_HEADER_ICON_SIZE;
mNormalizedWidth = NODE_WIDTH;
mNormalizedBodyHeight = NODE_BODY_HEIGHT;
mWidth = mZoom * mNormalizedWidth;
mHeaderHeight = mZoom * NODE_HEADER_HEIGHT;
mBodyHeight = mZoom * mNormalizedBodyHeight;
mPortNameColor = Qt::white;
QLinearGradient linearGrad(0, 0, 300, NODE_HEADER_HEIGHT);
linearGrad.setColorAt(0, QColor("#945555"));
linearGrad.setColorAt(0.2, QColor("#3e3e3e"));
mHeaderBrush = QBrush(linearGrad);
setFlag(QGraphicsItem::ItemIsMovable);
setFlag(QGraphicsItem::ItemIsSelectable);
// Add icons to the header
mHeaderTitleIcon = new QGraphicsPixmapItem(this); // MUST be a child of QtNode
mAction1Icon = new QGraphicsPixmapItem(this); // MUST be a child of QtNode
mAction2Icon = new QGraphicsPixmapItem(this); // MUST be a child of QtNode
mHeaderTitleIcon->setScale(0.0f);
mAction1Icon->setScale(0.0f);
mAction2Icon->setScale(0.0f);
mHeaderTitleIcon->setVisible(false);
mAction1Icon->setVisible(false);
mAction2Icon->setVisible(false);
// Body
mBody = new QGraphicsPathItem(this); // MUST be a child of QtNode
QPainterPath bodyPath;
mBody->setBrush(QColor("#3e3e3e"));
mBody->setFlag(QGraphicsItem::ItemStacksBehindParent);
// Generic
setData(NODE_KEY_GRAPHIC_ITEM_TYPE, QVariant(NODE_VALUE_TYPE_NODE));
mHeaderTitleIcon->setData(NODE_KEY_GRAPHIC_ITEM_TYPE, QVariant(NODE_VALUE_TYPE_HEADER_ICON));
mAction1Icon->setData(NODE_KEY_GRAPHIC_ITEM_TYPE, QVariant(NODE_VALUE_TYPE_ACTION_1_ICON));
mAction2Icon->setData(NODE_KEY_GRAPHIC_ITEM_TYPE, QVariant(NODE_VALUE_TYPE_ACTION_2_ICON));
mBody->setData(NODE_KEY_GRAPHIC_ITEM_TYPE, QVariant(NODE_VALUE_TYPE_NODE_BODY));
// Set title
mTitle = title;
mTitleLabel = new QGraphicsTextItem(this);
mTitleLabel->setData(NODE_KEY_GRAPHIC_ITEM_TYPE, QVariant(NODE_VALUE_TYPE_HEADER_TITLE));
mTitleLabel->setPlainText(mTitle);
mFontHeader.setPointSize(mZoom * NODE_HEADER_TITLE_FONT_SIZE);
mTitleLabel->setFont(mFontHeader);
mTitleAlignment = ALIGNED_CENTER;
adjustWidthForTitle();
}
TextPercentDelegate::TextPercentDelegate(QObject *parent) :
QItemDelegate(parent)
{
QLinearGradient linearGrad(0, 0, 0, 20);
linearGrad.setColorAt(0, Qt::white);
linearGrad.setColorAt(1, Qt::green);
m_qBrush = new QBrush(linearGrad);
}
void MeterSlider::resizeEvent(QResizeEvent* /*ev*/)
{
int h = height();
int kh = sliderSize().height();
int mh = h - kh;
int mw = _meterWidth / _channel;
onPm = QPixmap(mw, mh);
offPm = QPixmap(mw, mh);
double range = maxValue() - minValue();
int h1 = mh - lrint((maxValue() - redScale) * mh / range);
int h2 = mh - lrint((maxValue() - yellowScale) * mh / range);
QColor yellowRed;
yellowRed.setHsv(QColor(Qt::yellow).hue()-8,
QColor(Qt::yellow).saturation(),
QColor(Qt::yellow).value());
QColor yellRedRed;
yellRedRed.setHsv(QColor(Qt::yellow).hue()-16,
QColor(Qt::yellow).saturation(),
QColor(Qt::yellow).value());
QLinearGradient linearGrad(QPointF(0, 0), QPointF(0, mh));
linearGrad.setColorAt(0, Qt::red);
linearGrad.setColorAt(1-(double)(h1-5)/(double)mh, yellRedRed);
linearGrad.setColorAt(1-(double)(h1-6)/(double)mh, yellowRed);
linearGrad.setColorAt(1-(double)h2/(double)mh, Qt::yellow);
linearGrad.setColorAt(1, Qt::green);
QColor darkYellowRed;
darkYellowRed.setHsv(QColor(Qt::darkYellow).hue()-8,
QColor(Qt::darkYellow).saturation(),
QColor(Qt::darkYellow).value());
QColor darkYellRedRed;
darkYellRedRed.setHsv(QColor(Qt::darkYellow).hue()-16,
QColor(Qt::darkYellow).saturation(),
QColor(Qt::darkYellow).value());
QLinearGradient linearDarkGrad(QPointF(0, 0), QPointF(0, mh));
linearDarkGrad.setColorAt(0, Qt::darkRed);
linearDarkGrad.setColorAt(1-(double)(h1-5)/(double)mh, darkYellRedRed);
linearDarkGrad.setColorAt(1-(double)(h1-6)/(double)mh, darkYellowRed);
linearDarkGrad.setColorAt(1-(double)h2/(double)mh, Qt::darkYellow);
linearDarkGrad.setColorAt(1, Qt::darkGreen);
QPainter p;
p.begin(&onPm);
p.fillRect(0, 0, mw, mh, linearGrad);
p.end();
p.begin(&offPm);
p.fillRect(0, 0, mw, mh, linearDarkGrad);
p.end();
}
void vktraceviewer_QTimelineItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
vktrace_trace_packet_header* pHeader = (vktrace_trace_packet_header*)index.internalPointer();
if (pHeader->entrypoint_end_time <= pHeader->entrypoint_begin_time)
{
return;
}
painter->save();
{
vktraceviewer_QTimelineView* pTimeline = (vktraceviewer_QTimelineView*)parent();
if (pTimeline != NULL)
{
QRectF rect = option.rect;
if (rect.width() == 0)
{
rect.setWidth(1);
}
float duration = u64ToFloat(pHeader->entrypoint_end_time - pHeader->entrypoint_begin_time);
float durationRatio = duration / pTimeline->getMaxItemDuration();
int intensity = std::min(255, (int)(durationRatio * 255.0f));
QColor color(intensity, 255-intensity, 0);
// add gradient to the items better distinguish between the end of one and beginning of the next
QLinearGradient linearGrad(rect.center(), rect.bottomRight());
linearGrad.setColorAt(0, color);
linearGrad.setColorAt(1, color.darker(150));
painter->setBrush(linearGrad);
painter->setPen(Qt::NoPen);
painter->drawRect(rect);
if (rect.width() >= 2)
{
// draw shadow and highlight around the item
painter->setPen(color.darker(175));
painter->drawLine(rect.right()-1, rect.top(), rect.right()-1, rect.bottom()-1);
painter->drawLine(rect.right()-1, rect.bottom()-1, rect.left(), rect.bottom()-1);
painter->setPen(color.lighter());
painter->drawLine(rect.left(), rect.bottom()-1, rect.left(), rect.top());
painter->drawLine(rect.left(), rect.top(), rect.right()-1, rect.top());
}
}
}
painter->restore();
}
void OSItem::paintEvent(QPaintEvent * event)
{
QPainter p(this);
if( m_type == LIST_ITEM )
{
if( m_selected )
{
QLinearGradient linearGrad(QPointF(0,0), QPointF(0,rect().height()));
linearGrad.setColorAt(0, QColor(113,153,200,255));
linearGrad.setColorAt(0.10, QColor(113,153,200,150));
linearGrad.setColorAt(0.15, QColor(210,222,236,150));
linearGrad.setColorAt(1.00, QColor(210,222,236,150));
QBrush brush(linearGrad);
p.setBrush(brush);
p.setPen(Qt::NoPen);
p.drawRect(0,0,rect().width(),rect().height() - 1);
}
p.setPen(QPen(Qt::black));
p.drawLine(0,rect().height() - 1,rect().width(),rect().height() - 1);
}
else if( m_type == LIBRARY_ITEM )
{
QPen pen(QColor(128,128,128));
pen.setStyle(Qt::SolidLine);
pen.setWidth(1);
p.setPen(pen);
p.setBrush(QColor(206,206,206));
p.drawRoundedRect(5,4,rect().width() - 10,rect().height() - 10,10,10);
}
else if( m_type == DROPZONE_SQUARE || m_type == DROPZONE_RECTANGLE )
{
QPen pen(QColor(128,128,128));
pen.setStyle(Qt::SolidLine);
pen.setWidth(1);
p.setPen(pen);
p.setBrush(QColor(206,206,206));
p.drawRoundedRect(0,0,rect().width() - 1,rect().height() - 1,10,10);
}
if( m_useLargeIcon )
{
QRect _rect = rect();
QRect newRect(_rect.x() + 7,_rect.y() + 7,_rect.width() - 14,_rect.height() - 14);
p.drawPixmap(newRect,m_largePixmap);
}
}
void OSItem::paintEvent(QPaintEvent * event)
{
QPainter p(this);
if( m_osItemType == OSItemType::ListItem )
{
if( m_selected )
{
QLinearGradient linearGrad(QPointF(0,0), QPointF(0,rect().height()));
linearGrad.setColorAt(0, QColor(113,153,200,255));
linearGrad.setColorAt(0.10, QColor(113,153,200,150));
linearGrad.setColorAt(0.15, QColor(210,222,236,150));
linearGrad.setColorAt(1.00, QColor(210,222,236,150));
QBrush brush(linearGrad);
p.setBrush(brush);
p.setPen(Qt::NoPen);
p.drawRect(0,0,rect().width(),rect().height() - 1);
}
p.setPen(QPen(Qt::black));
p.drawLine(0,rect().height() - 1,rect().width(),rect().height() - 1);
}
else if( m_osItemType == OSItemType::LibraryItem )
{
QPen pen(QColor(128,128,128));
pen.setStyle(Qt::SolidLine);
pen.setWidth(1);
p.setPen(pen);
p.setBrush(QColor(206,206,206));
p.drawRoundedRect(5,4,rect().width() - 10,rect().height() - 10,10,10);
}
else if( m_osItemType == OSItemType::DropzoneSquare || m_osItemType == OSItemType::DropzoneRectangle )
{
QPen pen(QColor(128,128,128));
pen.setStyle(Qt::SolidLine);
pen.setWidth(1);
p.setPen(pen);
p.setBrush(QColor(206,206,206));
p.drawRoundedRect(0,0,rect().width() - 1,rect().height() - 1,10,10);
}
if( m_useLargeIcon )
{
QRect _rect = rect();
QRect newRect(_rect.x() + 7,_rect.y() + 7,_rect.width() - 14,_rect.height() - 14);
p.drawPixmap(newRect,m_largePixmap);
}
}
void Layer::paintSelection(QPainter& painter, int x, int y, int width, int height)
{
QLinearGradient linearGrad(QPointF(0, y), QPointF(0, y + height));
QSettings settings("Pencil","Pencil");
QString style = settings.value("style").toString();
if (style == "aqua")
{
linearGrad.setColorAt(0, QColor(225,225,255,100) );
linearGrad.setColorAt(0.10, QColor(225,225,255,80) );
linearGrad.setColorAt(0.20, QColor(225,225,255,64) );
linearGrad.setColorAt(0.35, QColor(225,225,255,20) );
linearGrad.setColorAt(0.351, QColor(0,0,0,32) );
linearGrad.setColorAt(0.66, QColor(245,255,235,32) );
linearGrad.setColorAt(1, QColor(245,255,235,128) );
}
else
{
linearGrad.setColorAt(0, QColor(255,255,255,128) );
linearGrad.setColorAt(0.49, QColor(255,255,255,0) );
linearGrad.setColorAt(0.50, QColor(0,0,0,0) );
linearGrad.setColorAt(1, QColor(0,0,0,48) );
/*linearGrad.setColorAt(0, QColor(255,255,255,128) );
linearGrad.setColorAt(0.10, QColor(255,255,255,64) );
linearGrad.setColorAt(0.49, QColor(0,0,0,32) );
linearGrad.setColorAt(0.50, QColor(0,0,0,32) );
linearGrad.setColorAt(0.70, QColor(245,255,245,32) );
linearGrad.setColorAt(1, QColor(245,255,245,128) );*/
/*linearGrad.setColorAt(0, QColor(255,255,255,128) );
linearGrad.setColorAt(0.10, QColor(255,255,255,64) );
linearGrad.setColorAt(0.20, QColor(0,0,0,32) );
linearGrad.setColorAt(0.40, QColor(0,0,0,0) );
linearGrad.setColorAt(0.41, QColor(255,255,255,0) );
linearGrad.setColorAt(1, QColor(255,255,255,128) );*/
}
painter.setBrush( linearGrad );
painter.setPen( Qt::NoPen );
painter.drawRect(x, y, width, height-1);
//painter.setBrush( Qt::NoBrush );
//painter.setPen(QPen(QBrush(QColor(0,0,0,100)), 1, Qt::SolidLine, Qt::RoundCap,Qt::RoundJoin));
//painter.drawRect(x, y-1, width, height);
/*if (style == "aqua") {
QColor col;
if (type == BITMAP) col = QColor(65,65,122);
if (type == VECTOR) col = QColor(50,102,75);
if (type == SOUND) col = QColor(122,65,65);
painter.setPen(col);
painter.drawLine(x,y-1, x+width, y-1);
}*/
}
void QMeter::drawCoverGlass(QPainter *painter)
{
painter->save();
QLinearGradient linearGrad(QPointF(-15, -45), QPointF(90, 75));
linearGrad.setColorAt(0, QColor(255,255,255,30));
linearGrad.setColorAt(0.3, QColor(120,120,120,20));
QBrush brush=QBrush(linearGrad);
QPen pen;
pen = QColor(0,0,0,0);
pen.setBrush(brush);
pen.setWidth(0);
painter->setPen(pen);
painter->setBrush(brush);
painter->drawEllipse(-45,-45,90,90);
painter->restore();
}
void HWMap::onClientDisconnect()
{
QLinearGradient linearGrad(QPoint(128, 0), QPoint(128, 128));
linearGrad.setColorAt(1, QColor(0, 0, 192));
linearGrad.setColorAt(0, QColor(66, 115, 225));
if (readbuffer.size() == 128 * 32 + 1)
{
quint8 *buf = (quint8*) readbuffer.constData();
QImage im(buf, 256, 128, QImage::Format_Mono);
im.setNumColors(2);
QPixmap px(QSize(256, 128));
QPixmap pxres(px.size());
QPainter p(&pxres);
px.fill(Qt::yellow);
QBitmap bm = QBitmap::fromImage(im);
px.setMask(bm);
p.fillRect(pxres.rect(), linearGrad);
p.drawPixmap(0, 0, px);
emit HHLimitReceived(buf[128 * 32]);
emit ImageReceived(px);
} else if (readbuffer.size() == 128 * 256 + 1)
{
QVector<QRgb> colorTable;
colorTable.resize(256);
for(int i = 0; i < 256; ++i)
colorTable[i] = qRgba(255, 255, 0, i);
const quint8 *buf = (const quint8*) readbuffer.constData();
QImage im(buf, 256, 128, QImage::Format_Indexed8);
im.setColorTable(colorTable);
QPixmap px = QPixmap::fromImage(im, Qt::ColorOnly);
QPixmap pxres(px.size());
QPainter p(&pxres);
p.fillRect(pxres.rect(), linearGrad);
p.drawPixmap(0, 0, px);
emit HHLimitReceived(buf[128 * 256]);
emit ImageReceived(px);
}
}
void Lighting::setupScene()
{
m_scene.setSceneRect(-300, -200, 600, 460);
QLinearGradient linearGrad(QPointF(-100, -100), QPointF(100, 100));
linearGrad.setColorAt(0, QColor(255, 255, 255));
linearGrad.setColorAt(1, QColor(192, 192, 255));
setBackgroundBrush(linearGrad);
QRadialGradient radialGrad(30, 30, 30);
radialGrad.setColorAt(0, Qt::yellow);
radialGrad.setColorAt(0.2, Qt::yellow);
radialGrad.setColorAt(1, Qt::transparent);
QPixmap pixmap(60, 60);
pixmap.fill(Qt::transparent);
QPainter painter(&pixmap);
painter.setPen(Qt::NoPen);
painter.setBrush(radialGrad);
painter.drawEllipse(0, 0, 60, 60);
painter.end();
m_lightSource = m_scene.addPixmap(pixmap);
m_lightSource->setZValue(2);
for (int i = -2; i < 3; ++i)
for (int j = -2; j < 3; ++j) {
QAbstractGraphicsShapeItem *item;
if ((i + j) & 1)
item = new QGraphicsEllipseItem(0, 0, 50, 50);
else
item = new QGraphicsRectItem(0, 0, 50, 50);
item->setPen(QPen(Qt::black, 1));
item->setBrush(QBrush(Qt::white));
QGraphicsDropShadowEffect *effect = new QGraphicsDropShadowEffect;
effect->setBlurRadius(8);
item->setGraphicsEffect(effect);
item->setZValue(1);
item->setPos(i * 80, j * 80);
m_scene.addItem(item);
m_items << item;
}
}
void ItemImage::drawGradientRectangle( QPainter& painter, QRect& rect, QColor baseColor )
{
QColor baseLighter = baseColor.lighter( 175 );
QColor gradientStart = QColor( baseLighter.red(), baseLighter.green(), baseLighter.blue(), 150 );
QColor gradientEnd = QColor( baseColor.red(), baseColor.green(), baseColor.blue(), 150 );
QLinearGradient linearGrad( QPointF( 0, 0 ), QPointF( 0, 1 ) );
linearGrad.setColorAt( 0, gradientStart );
linearGrad.setColorAt( 1, gradientEnd );
linearGrad.setCoordinateMode( QGradient::ObjectBoundingMode );
painter.setBrush( linearGrad );
painter.setPen( QPen( baseColor ) );
painter.drawRoundedRect( rect, 2.7, 2.7 );
/*painter.drawRect( rect );
painter.setBrush( QColor( 0x00, 0x00, 0xFF, 100 ) );
painter.setPen( QPen( QColor(0x00, 0x00, 0xFF ) ) );
painter.drawRect( rect );*/
}
void QMeter::drawCrown(QPainter *painter)
{
painter->save();
QRectF rectangle(-47, -47, 94, 94);
int startAngle = 30 * 16;
int spanAngle = 390 * 16;
QLinearGradient linearGrad(QPointF(-47, -47), QPointF(94, 94));
linearGrad.setColorAt(0, Qt::white);
linearGrad.setColorAt(0.3, QColor(60,60,60,250));
QPen pen;
QBrush brush=QBrush(linearGrad);
pen.setBrush(brush);
pen.setWidth(3);
painter->setPen(pen);
painter->drawArc(rectangle, startAngle, spanAngle);
painter->restore();
}
int main()
{
QWidget anyPaintDevice;
{
// PEN SNIPPET
QPainter painter;
QPen pen(Qt::red, 2); // red solid line, 2 pixels wide
painter.begin(&anyPaintDevice); // paint something
painter.setPen(pen); // set the red, wide pen
painter.drawRect(40,30, 200,100); // draw a rectangle
painter.setPen(Qt::blue); // set blue pen, 0 pixel width
painter.drawLine(40,30, 240,130); // draw a diagonal in rectangle
painter.end(); // painting done
}
{
// BRUSH SNIPPET
QPainter painter;
QBrush brush(Qt::yellow); // yellow solid pattern
painter.begin(&anyPaintDevice); // paint something
painter.setBrush(brush); // set the yellow brush
painter.setPen(Qt::NoPen); // do not draw outline
painter.drawRect(40,30, 200,100); // draw filled rectangle
painter.setBrush(Qt::NoBrush); // do not fill
painter.setPen(Qt::black); // set black pen, 0 pixel width
painter.drawRect(10,10, 30,20); // draw rectangle outline
painter.end(); // painting done
}
// LINEAR
//! [0]
QLinearGradient linearGrad(QPointF(100, 100), QPointF(200, 200));
linearGrad.setColorAt(0, Qt::black);
linearGrad.setColorAt(1, Qt::white);
//! [0]
// RADIAL
//! [1]
QRadialGradient radialGrad(QPointF(100, 100), 100);
radialGrad.setColorAt(0, Qt::red);
radialGrad.setColorAt(0.5, Qt::blue);
radialGrad.setColorAt(1, Qt::green);
//! [1]
}
void QMeter::drawNeedle(QPainter *painter)
{
// hat shadow
// painter->setPen(Qt::NoPen);
// painter->setBrush(QColor(120,120,120,10));
// painter->drawEllipse(-5, -6, 14, 14);
// end hat shadow
painter->save();
painter->rotate(-90.0);
QPolygon pts;
pts.setPoints( 3, -2,0, 2,0, 0,30 );
QPolygon shadow;
shadow.setPoints(3, -1,0, 1,0, 0,29);
int degRotate=0;
degRotate = (int)( m_startAngle+(m_endAngle-m_startAngle)/(m_maxValue-m_minValue)*(m_value-m_minValue) );
painter->rotate( -degRotate );
QRadialGradient haloGradient(0, 0, 20, 0, 0);
haloGradient.setColorAt(0.0, QColor(255,120,120));
haloGradient.setColorAt(1.0, QColor(200,20,20));
QColor color=QColor(Qt::darkRed);
color.setAlpha(90);
painter->setPen(color);
painter->setBrush(haloGradient);
painter->drawConvexPolygon( pts );
painter->setBrush(QColor(255,120,120));
painter->drawConvexPolygon( shadow );
painter->restore();
// draw needle hat
QLinearGradient linearGrad(QPointF(-7, -7), QPointF(14, 14));
linearGrad.setColorAt(0, Qt::white);
linearGrad.setColorAt(1, Qt::black);
painter->setPen(Qt::NoPen);
painter->setBrush(linearGrad);
painter->drawEllipse(-7, -7, 14, 14);
}