void KisColorSelector::createRing(ColorRing& ring, quint8 numPieces, qreal innerRadius, qreal outerRadius)
{
int numParts = qMax<int>(numPieces, 1);
ring.innerRadius = innerRadius;
ring.outerRadius = outerRadius;
ring.pieced.resize(numParts);
qreal partSize = 360.0 / qreal(numParts);
QRectF outerRect(-outerRadius, -outerRadius, outerRadius*2.0, outerRadius*2.0);
QRectF innerRect(-innerRadius, -innerRadius, innerRadius*2.0, innerRadius*2.0);
for(int i=0; i<numParts; ++i) {
qreal aBeg = partSize*i;
qreal aEnd = aBeg + partSize;
aBeg -= partSize / 2.0;
aEnd -= partSize / 2.0;
ring.pieced[i] = QPainterPath();
ring.pieced[i].arcMoveTo(innerRect, aBeg);
ring.pieced[i].arcTo(outerRect, aBeg, partSize);
ring.pieced[i].arcTo(innerRect, aEnd,-partSize);
}
}
QPixmap
createRoundedImage( const QPixmap& pixmap, const QSize& size, float frameWidthPct )
{
int height;
int width;
if ( !size.isEmpty() )
{
height = size.height();
width = size.width();
}
else
{
height = pixmap.height();
width = pixmap.width();
}
if ( !height || !width )
return QPixmap();
QPixmap scaledAvatar = pixmap.scaled( width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
if ( frameWidthPct == 0.00f )
return scaledAvatar;
QPixmap frame( width, height );
frame.fill( Qt::transparent );
QPainter painter( &frame );
painter.setRenderHint( QPainter::Antialiasing );
QRect outerRect( 0, 0, width, height );
QBrush brush( scaledAvatar );
QPen pen;
pen.setColor( Qt::transparent );
pen.setJoinStyle( Qt::RoundJoin );
painter.setBrush( brush );
painter.setPen( pen );
painter.drawRoundedRect( outerRect, qreal(frameWidthPct) * 100.0, qreal(frameWidthPct) * 100.0, Qt::RelativeSize );
/* painter.setBrush( Qt::transparent );
painter.setPen( Qt::white );
painter.drawRoundedRect( outerRect, frameWidthPct, frameWidthPct, Qt::RelativeSize ); */
return frame;
}
// ---------------------------------------------------------------------------
// CBCTestDrawUtilsCase::TestFunctionL
// ---------------------------------------------------------------------------
//
void CBCTestDrawUtilsCase::TestFunctionL()
{
iContainer->DrawTest();
_LIT( KMsg, "Test AknsDrawUtils API");
AssertNotNullL( iContainer, KMsg );
// Test CAknsFrameBackgroundControlContext API
TAknsItemID frameId;
TRect outerRect( 0, 0, 100, 100 );
TRect innerRect( 10, 10, 90, 90 );
TBool absolute = ETrue;
CAknsFrameBackgroundControlContext* ctrlContext =
CAknsFrameBackgroundControlContext::NewL ( frameId, outerRect,
innerRect, absolute );
CleanupStack::PushL( ctrlContext );
ctrlContext->SetFramePartRect( outerRect, EAknsFrameIndexTl );
_LIT( KSetFramePartRect, "CAknsFrameBackgroundControlContext::SetFramePartRect" );
AssertNotNullL( ctrlContext, KSetFramePartRect );
CleanupStack::PopAndDestroy( ctrlContext );
}
void InfoControl::Draw(const UIGeometricData &geometricData)
{
UIControl::Draw(geometricData);
RenderManager::Instance()->SetColor(GetBackground()->color);
RenderHelper::Instance()->DrawRect(geometricData.GetUnrotatedRect());
Rect outerRect(geometricData.GetUnrotatedRect());
outerRect.x -= 1.0f;
outerRect.y -= 1.0f;
outerRect.dx += 2.0f;
outerRect.dy += 2.0f;
Color outerColor(GetBackground()->color);
outerColor.r = 1.0f - outerColor.r;
outerColor.b = 1.0f - outerColor.b;
RenderManager::Instance()->SetColor(outerColor);
RenderHelper::Instance()->DrawRect(outerRect);
RenderManager::Instance()->ResetColor();
}
void AccountsListDelegate::updateItemWidgets(const QList<QWidget *> widgets, const QStyleOptionViewItem &option, const QPersistentModelIndex &index) const
{
// draws:
// AccountName
// Checkbox | Icon | | ConnectionIcon | ConnectionState
// errorMessage
if (!index.isValid()) {
return;
}
Q_ASSERT(widgets.size() == 6);
// Get the widgets
QCheckBox* checkbox = qobject_cast<QCheckBox*>(widgets.at(0));
ChangeIconButton* changeIconButton = qobject_cast<ChangeIconButton*>(widgets.at(1));
QLabel *statusTextLabel = qobject_cast<QLabel*>(widgets.at(2));
QLabel *statusIconLabel = qobject_cast<QLabel*>(widgets.at(3));
EditDisplayNameButton *displayNameButton = qobject_cast<EditDisplayNameButton*>(widgets.at(4));
QLabel *connectionErrorLabel = qobject_cast<QLabel*>(widgets.at(5));
Q_ASSERT(checkbox);
Q_ASSERT(changeIconButton);
Q_ASSERT(statusTextLabel);
Q_ASSERT(statusIconLabel);
Q_ASSERT(displayNameButton);
Q_ASSERT(connectionErrorLabel);
bool isSelected(itemView()->selectionModel()->isSelected(index) && itemView()->hasFocus());
bool isEnabled(index.data(KTp::AccountsListModel::EnabledRole).toBool());
KIcon accountIcon(index.data(Qt::DecorationRole).value<QIcon>());
KIcon statusIcon(index.data(KTp::AccountsListModel::ConnectionStateIconRole).value<QIcon>());
QString statusText(index.data(KTp::AccountsListModel::ConnectionStateDisplayRole).toString());
QString displayName(index.data(Qt::DisplayRole).toString());
QString connectionError(index.data(KTp::AccountsListModel::ConnectionErrorMessageDisplayRole).toString());
Tp::AccountPtr account(index.data(KTp::AccountsListModel::AccountRole).value<Tp::AccountPtr>());
if (!account->isEnabled()) {
connectionError = i18n("Click checkbox to enable");
}
QRect outerRect(0, 0, option.rect.width(), option.rect.height());
QRect contentRect = outerRect.adjusted(m_hpadding,m_vpadding,-m_hpadding,-m_vpadding); //add some padding
// checkbox
if (isEnabled) {
checkbox->setChecked(true);;
checkbox->setToolTip(i18n("Disable account"));
} else {
checkbox->setChecked(false);
checkbox->setToolTip(i18n("Enable account"));
}
int checkboxLeftMargin = contentRect.left();
int checkboxTopMargin = (outerRect.height() - checkbox->height()) / 2;
checkbox->move(checkboxLeftMargin, checkboxTopMargin);
// changeIconButton
changeIconButton->setIcon(accountIcon);
changeIconButton->setAccount(account);
// At the moment (KDE 4.8.1) decorationSize is not passed from KWidgetItemDelegate
// through the QStyleOptionViewItem, therefore we leave default size unless
// the user has a more recent version.
if (option.decorationSize.width() > -1) {
changeIconButton->setButtonIconSize(option.decorationSize.width());
}
int changeIconButtonLeftMargin = checkboxLeftMargin + checkbox->width();
int changeIconButtonTopMargin = (outerRect.height() - changeIconButton->height()) / 2;
changeIconButton->move(changeIconButtonLeftMargin, changeIconButtonTopMargin);
// statusTextLabel
QFont statusTextFont = option.font;
QPalette statusTextLabelPalette = option.palette;
if (isEnabled) {
statusTextLabel->setEnabled(true);
statusTextFont.setItalic(false);
} else {
statusTextLabel->setDisabled(true);
statusTextFont.setItalic(true);
}
if (isSelected) {
statusTextLabelPalette.setColor(QPalette::Text, statusTextLabelPalette.color(QPalette::Active, QPalette::HighlightedText));
}
statusTextLabel->setPalette(statusTextLabelPalette);
statusTextLabel->setFont(statusTextFont);
statusTextLabel->setText(statusText);
statusTextLabel->setFixedSize(statusTextLabel->fontMetrics().boundingRect(statusText).width(),
statusTextLabel->height());
int statusTextLabelLeftMargin = contentRect.right() - statusTextLabel->width();
int statusTextLabelTopMargin = (outerRect.height() - statusTextLabel->height()) / 2;
statusTextLabel->move(statusTextLabelLeftMargin, statusTextLabelTopMargin);
// statusIconLabel
statusIconLabel->setPixmap(statusIcon.pixmap(KIconLoader::SizeSmall));
statusIconLabel->setFixedSize(statusIconLabel->minimumSizeHint());
int statusIconLabelLeftMargin = contentRect.right() - statusTextLabel->width() - statusIconLabel->width() - 6;
int statusIconLabelTopMargin = (outerRect.height() - statusIconLabel->height()) / 2;
statusIconLabel->move(statusIconLabelLeftMargin, statusIconLabelTopMargin);
QRect innerRect = contentRect.adjusted(changeIconButton->geometry().right() - contentRect.left(),
0,
-statusTextLabel->width() - statusIconLabel->width() - 6,
0); // rect containing account name and error message
// displayNameButton
QFont displayNameButtonFont = option.font;
QPalette displayNameButtonPalette = option.palette;
if (isEnabled) {
displayNameButtonPalette.setColor(QPalette::WindowText, displayNameButtonPalette.color(QPalette::Active, QPalette::Text));
displayNameButtonFont.setBold(true);
} else {
displayNameButtonFont.setItalic(true);
// NOTE: Flat QPushButton use WindowText instead of ButtonText for button text color
displayNameButtonPalette.setColor(QPalette::WindowText, displayNameButtonPalette.color(QPalette::Disabled, QPalette::Text));
}
if (isSelected) {
// Account is selected
displayNameButtonPalette.setColor(QPalette::WindowText, displayNameButtonPalette.color(QPalette::Active, QPalette::HighlightedText));
}
displayNameButton->setFont(displayNameButtonFont);
displayNameButton->setPalette(displayNameButtonPalette);
QString displayNameButtonText = displayNameButton->fontMetrics().elidedText(displayName,
Qt::ElideRight,
innerRect.width() - (m_hpadding*2));
displayNameButton->setText(displayNameButtonText);
displayNameButton->setFixedSize(displayNameButton->fontMetrics().boundingRect(displayNameButtonText).width() + (m_hpadding*2),
displayNameButton->minimumSizeHint().height());
displayNameButton->setAccount(account);
int displayNameButtonLeftMargin = innerRect.left();
int displayNameButtonTopMargin = innerRect.top();
displayNameButton->move(displayNameButtonLeftMargin, displayNameButtonTopMargin);
// connectionErrorLabel
QFont connectionErrorLabelFont = option.font;
QPalette connectionErrorLabelPalette = option.palette;
if (isEnabled) {
connectionErrorLabelPalette.setColor(QPalette::WindowText, connectionErrorLabelPalette.color(QPalette::Active, QPalette::Text));
} else {
connectionErrorLabelFont.setItalic(true);
connectionErrorLabelPalette.setColor(QPalette::Text, connectionErrorLabelPalette.color(QPalette::Disabled, QPalette::Text));
}
if (isSelected) {
// Account is selected
connectionErrorLabelPalette.setColor(QPalette::Text, connectionErrorLabelPalette.color(QPalette::Active, QPalette::HighlightedText));
}
connectionErrorLabel->setFont(connectionErrorLabelFont);
connectionErrorLabel->setPalette(connectionErrorLabelPalette);
QString connectionErrorLabelText = connectionErrorLabel->fontMetrics().elidedText(connectionError,
Qt::ElideRight,
innerRect.width() - (m_hpadding*2));
connectionErrorLabel->setText(connectionErrorLabelText);
connectionErrorLabel->setFixedSize(connectionErrorLabel->fontMetrics().boundingRect(connectionErrorLabelText).width(),
displayNameButton->height());
int connectionErrorLabelLeftMargin = innerRect.left() + m_hpadding;
int connectionErrorLabelTopMargin = contentRect.bottom() - displayNameButton->height();
connectionErrorLabel->move(connectionErrorLabelLeftMargin, connectionErrorLabelTopMargin);
}
/*!
Draw circles
\param painter Painter
\param canvasRect Contents rect of the canvas in painter coordinates
\param pole Position of the pole in painter coordinates
\param radialMap Maps radius values into painter coordinates.
\param values Radial values, indicating the distances from the pole
*/
void QwtPolarGrid::drawCircles(
QPainter *painter, const QwtDoubleRect &canvasRect,
const QwtDoublePoint &pole, const QwtScaleMap &radialMap,
const QwtValueList &values ) const
{
for ( int i = 0; i < int( values.size() ); i++ )
{
const double val = values[i];
const GridData &gridData =
d_data->gridData[QwtPolar::Radius];
bool skipLine = false;
if ( testDisplayFlag( SmartScaleDraw ) )
{
const AxisData &axis = d_data->axisData[QwtPolar::AxisAzimuth];
if ( axis.isVisible &&
axis.scaleDraw->hasComponent( QwtAbstractScaleDraw::Backbone ) )
{
#if QWT_VERSION < 0x050200
if ( isClose( val, gridData.scaleDiv.hBound() ) )
#else
if ( isClose( val, gridData.scaleDiv.upperBound() ) )
#endif
skipLine = true;
}
}
#if QWT_VERSION < 0x050200
if ( isClose( val, gridData.scaleDiv.lBound() ) )
#else
if ( isClose( val, gridData.scaleDiv.lowerBound() ) )
#endif
skipLine = true;
if ( !skipLine )
{
const double radius = radialMap.transform( val );
QwtDoubleRect outerRect( 0, 0, 2 * radius, 2 * radius );
outerRect.moveCenter( pole );
#if QT_VERSION < 0x040000
QwtPainter::drawEllipse( painter, outerRect.toRect() );
#else
if ( testDisplayFlag( ClipGridLines ) )
{
/*
Qt4 is horrible slow, when painting primitives,
with coordinates far outside the visible area.
We need to clip.
*/
const QwtArray<QwtDoubleInterval> angles =
QwtClipper::clipCircle( canvasRect, pole, radius );
for ( int i = 0; i < angles.size(); i++ )
{
const QwtDoubleInterval intv = angles[i];
if ( intv.minValue() == 0 && intv.maxValue() == 2 * M_PI )
QwtPainter::drawEllipse( painter, outerRect.toRect() );
else
{
const double from = intv.minValue() / M_PI * 180;
const double to = intv.maxValue() / M_PI * 180;
double span = to - from;
if ( span < 0.0 )
span += 360.0;
const QwtMetricsMap &mm = QwtPainter::metricsMap();
const QRect r = outerRect.toRect();
painter->drawArc( mm.layoutToDevice( r, painter ),
qRound( from * 16 ), qRound( span * 16 ) );
}
}
}
else
{
QwtPainter::drawEllipse( painter, outerRect.toRect() );
}
#endif
}
}
}
void onDraw(SkCanvas* canvas) override {
canvas->clear(SK_ColorBLACK);
{
sk_sp<SkImageFilter> bitmapSource(SkImageSource::Make(fImage));
sk_sp<SkColorFilter> cf(SkColorFilter::MakeModeFilter(SK_ColorRED,
SkBlendMode::kSrcIn));
sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(4.0f, 4.0f, std::move(bitmapSource)));
sk_sp<SkImageFilter> erode(SkErodeImageFilter::Make(4, 4, blur));
sk_sp<SkImageFilter> color(SkColorFilterImageFilter::Make(std::move(cf),
std::move(erode)));
sk_sp<SkImageFilter> merge(SkMergeImageFilter::Make(blur, color,
SkBlendMode::kSrcOver));
SkPaint paint;
paint.setImageFilter(std::move(merge));
canvas->drawPaint(paint);
canvas->translate(SkIntToScalar(100), 0);
}
{
sk_sp<SkImageFilter> morph(SkDilateImageFilter::Make(5, 5, nullptr));
SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0,
0, SK_Scalar1, 0, 0, 0,
0, 0, SK_Scalar1, 0, 0,
0, 0, 0, 0.5f, 0 };
sk_sp<SkColorFilter> matrixFilter(SkColorFilter::MakeMatrixFilterRowMajor255(matrix));
sk_sp<SkImageFilter> colorMorph(SkColorFilterImageFilter::Make(std::move(matrixFilter),
std::move(morph)));
SkPaint paint;
paint.setImageFilter(SkXfermodeImageFilter::Make(SkBlendMode::kSrcOver,
std::move(colorMorph)));
DrawClippedImage(canvas, fImage.get(), paint);
canvas->translate(SkIntToScalar(100), 0);
}
{
SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0,
0, SK_Scalar1, 0, 0, 0,
0, 0, SK_Scalar1, 0, 0,
0, 0, 0, 0.5f, 0 };
sk_sp<SkColorFilter> matrixCF(SkColorFilter::MakeMatrixFilterRowMajor255(matrix));
sk_sp<SkImageFilter> matrixFilter(SkColorFilterImageFilter::Make(std::move(matrixCF),
nullptr));
sk_sp<SkImageFilter> offsetFilter(SkOffsetImageFilter::Make(10.0f, 10.f,
matrixFilter));
SkPaint paint;
paint.setImageFilter(
SkXfermodeImageFilter::MakeArithmetic(0, 1, 1, 0, true,
std::move(matrixFilter),
std::move(offsetFilter),
nullptr));
DrawClippedImage(canvas, fImage.get(), paint);
canvas->translate(SkIntToScalar(100), 0);
}
{
sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(SkIntToScalar(10),
SkIntToScalar(10),
nullptr));
SkImageFilter::CropRect cropRect(SkRect::MakeWH(SkIntToScalar(95), SkIntToScalar(100)));
SkPaint paint;
paint.setImageFilter(
SkXfermodeImageFilter::Make(SkBlendMode::kSrcIn, std::move(blur), nullptr,
&cropRect));
DrawClippedImage(canvas, fImage.get(), paint);
canvas->translate(SkIntToScalar(100), 0);
}
{
// Dilate -> matrix convolution.
// This tests that a filter using asFragmentProcessor (matrix
// convolution) correctly handles a non-zero source offset
// (supplied by the dilate).
sk_sp<SkImageFilter> dilate(SkDilateImageFilter::Make(5, 5, nullptr));
SkScalar kernel[9] = {
SkIntToScalar(-1), SkIntToScalar( -1 ), SkIntToScalar(-1),
SkIntToScalar(-1), SkIntToScalar( 7 ), SkIntToScalar(-1),
SkIntToScalar(-1), SkIntToScalar( -1 ), SkIntToScalar(-1),
};
SkISize kernelSize = SkISize::Make(3, 3);
SkScalar gain = 1.0f, bias = SkIntToScalar(0);
SkIPoint kernelOffset = SkIPoint::Make(1, 1);
auto tileMode = SkMatrixConvolutionImageFilter::kClamp_TileMode;
bool convolveAlpha = false;
sk_sp<SkImageFilter> convolve(SkMatrixConvolutionImageFilter::Make(kernelSize,
kernel,
gain,
bias,
kernelOffset,
tileMode,
convolveAlpha,
std::move(dilate)));
SkPaint paint;
paint.setImageFilter(std::move(convolve));
DrawClippedImage(canvas, fImage.get(), paint);
canvas->translate(SkIntToScalar(100), 0);
}
{
// Test that crop offsets are absolute, not relative to the parent's crop rect.
sk_sp<SkColorFilter> cf1(SkColorFilter::MakeModeFilter(SK_ColorBLUE,
SkBlendMode::kSrcIn));
sk_sp<SkColorFilter> cf2(SkColorFilter::MakeModeFilter(SK_ColorGREEN,
SkBlendMode::kSrcIn));
SkImageFilter::CropRect outerRect(SkRect::MakeXYWH(SkIntToScalar(10), SkIntToScalar(10),
SkIntToScalar(80), SkIntToScalar(80)));
SkImageFilter::CropRect innerRect(SkRect::MakeXYWH(SkIntToScalar(20), SkIntToScalar(20),
SkIntToScalar(60), SkIntToScalar(60)));
sk_sp<SkImageFilter> color1(SkColorFilterImageFilter::Make(std::move(cf1),
nullptr,
&outerRect));
sk_sp<SkImageFilter> color2(SkColorFilterImageFilter::Make(std::move(cf2),
std::move(color1),
&innerRect));
SkPaint paint;
paint.setImageFilter(std::move(color2));
paint.setColor(SK_ColorRED);
canvas->drawRect(SkRect::MakeXYWH(0, 0, 100, 100), paint);
canvas->translate(SkIntToScalar(100), 0);
}
}
/*!
Draw circles
\param painter Painter
\param canvasRect Contents rect of the canvas in painter coordinates
\param pole Position of the pole in painter coordinates
\param radialMap Maps radius values into painter coordinates.
\param values Radial values, indicating the distances from the pole
*/
void QwtPolarGrid::drawCircles(
QPainter *painter, const QRectF &canvasRect,
const QPointF &pole, const QwtScaleMap &radialMap,
const QList<double> &values ) const
{
for ( int i = 0; i < int( values.size() ); i++ )
{
const double val = values[i];
const GridData &gridData =
d_data->gridData[QwtPolar::Radius];
bool skipLine = false;
if ( testDisplayFlag( SmartScaleDraw ) )
{
const AxisData &axis = d_data->axisData[QwtPolar::AxisAzimuth];
if ( axis.isVisible &&
axis.scaleDraw->hasComponent( QwtAbstractScaleDraw::Backbone ) )
{
if ( isClose( val, gridData.scaleDiv.upperBound() ) )
skipLine = true;
}
}
if ( isClose( val, gridData.scaleDiv.lowerBound() ) )
skipLine = true;
if ( !skipLine )
{
const double radius = radialMap.transform( val );
QRectF outerRect( 0, 0, 2 * radius, 2 * radius );
outerRect.moveCenter( pole );
if ( testDisplayFlag( ClipGridLines ) )
{
/*
Qt4 is horrible slow, when painting primitives,
with coordinates far outside the visible area.
We need to clip.
*/
const QVector<QwtInterval> angles =
QwtClipper::clipCircle( canvasRect, pole, radius );
for ( int i = 0; i < angles.size(); i++ )
{
const QwtInterval intv = angles[i];
if ( intv.minValue() == 0 && intv.maxValue() == 2 * M_PI )
QwtPainter::drawEllipse( painter, outerRect );
else
{
const double from = intv.minValue() / M_PI * 180;
const double to = intv.maxValue() / M_PI * 180;
double span = to - from;
if ( span < 0.0 )
span += 360.0;
painter->drawArc( outerRect,
qRound( from * 16 ), qRound( span * 16 ) );
}
}
}
else
{
QwtPainter::drawEllipse( painter, outerRect );
}
}
}
}