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=========
Qwt 6.1.4
=========
1) All widgets ( including plot canvas )
- missing initialization of the background color hint, when
drawing a styled focus rectangle
- devicePixelRatio handling adjusted, QT_SCALE_FACTOR supported
2) Maintenance
- deprecated QString::null replaced by QString()
- making clang-tidy/clazy and friends happier
- compiler warnings with newer Qt versions fixed
3) PyQt-Qwt
- specific defines added
4) QwtPointMapper
- being multithreaded when possible
5) QwtPlotRenderer
- using QPdfWriter instead of QPrinter, when possible
6) Build system
- auto-disable building the designer plugin, when the
corresponding Qt installation was not build with designer support
7) Bug fixes
- font resolving when using widget fonts for rendering
to a different paint device.
- QwtPlotDirectPainter::CopyBackingStore: bad offset ( subtracting
the canvas frame ), when flushing the updated backing store fixed
- QwtAbstractSlider::stepAlignment fixed, when the value is
exactly the upperBound, but no tick position
- Missing right/bottom pixel added for QwtColumnSymbol::NoFrame
- QwtWeedingCurveFitter::fitCurve fixed when being called with no points
- missing updates added for QwtLegend::setMaxColumns, QwtScaleWidget::setLayoutFlag
- QwtPlotCurve::drawSteps: polygon clipping fixed by adding
an extra pixel to the clip rectangle
- QwtPlotItem::ScaleInterest enabled for all constructors of
QwtPlotSeriesItem
- QwtPlotMarker::boundingRect fixed for HLine/VLine
- QwtPlotIntervalCurve/QwtPlotTradingCurve::boundingRect fixed
=========
Qwt 6.1.3
=========
1) QwtPlotMagnifier, QwtPlotZoomer
- handling of non linear transformations ( f.e logarithmic )
2) Date/Time scales
- QwtDate::ceil(), QwtDate::weekNumber(), QwtDate::utcOffset() fixed
- QwtDateScaleEngine fixed when aligning to months
3) QwtPlotLayout
- layout bug for legends witdh visible scrollbars fixed
4) Plot items
- hiding QwtPlotLegendItem without entries
- QwtPlotShapeItem render code fixed
5) QwtPlotGLCanvas
- slightly improved, nevertheless better use
Qwt 6.2 when being interested in OpenGL
6) Other
- QwtGraphic boundingRect updates fixed
- QwtSyntheticPointData::x() fixed
- QwtLogScaleEngine::divideScale ignoring stepSize parameter for ranges
below one "decade"
- QwtPlotAbstractBarChart::getCanvasMarginHint fixed
=========
Qwt 6.1.2
=========
1) Qt 5.4 compatibility
- QT_STATIC_CONST
"QT_STATIC_CONST" replaced by "static const"
2) build environment
- QMAKELIBDIRFLAGS
using QMAKELIBDIRFLAGS to avoid conflicts with already
installed linux distro packages
3) color maps
- QwtLinearColorMap
handling of alpha values added
- QwtAlphaColorMap
basic functinality fixed
- QwtPainter
QwtPainter::drawColorBar() fixed for semi transparent colors.
4) QwtPlot and friends
- QwtLegend
layout issue fixed
- QwtLogScaleEngine
tick duplicates fixed
- QwtPainter
internal chunk size for drawing polylines with the raster paint engine
reduced from 20 to 6 ( faster ).
Qwt 6.1.1
=========
1) build environment
- Shadow builds
qmake project files to allow shadow builds
- pkg-config
QwtPkgConfig config option added to qwtconfig.pri to enable generation
of pkg-config files ( default setting is: disabled )
2) scales
- QwtDateScaleEngine
Aligning/Autoscaling improved.
- QwtLinearScaleEngines
Trying to avoid overruns for huge intervals ( > max double ) in divideScale().
- QwtAbstractScaleDraw/QwtScaleDraw
Layout issues fixed.
- QwtRoundScaleDraw
Performance for specific use cases improved.
3) controls
- QwtAbstractSlider/QwtCounter
Fixes for tiny step sizes.
- QwtDial/QwtKnob
Rounding instead of flooring, when translating values to angles.
- QwtKnob/QwtThermo
Missing updates, when changing the scale draw.
- QwtWheel
Aligning of values improved.
4) QwtPlot and friends
- QwtPlot
Disabling auto-replot in the destructor.
QwtPlot::setPlotLayout() fixed.
Calculation in QwtPlot::canvasMap fixed for disabled axes.
QwtPlot::autoRefresh() when attaching/detaching a plot item.
- QwtLegend
Clipping code fixed in QwtLegend::renderLegend().
- QwtPlotRenderer
Order of setting printer properties changed to work around a Qt 4.8 bug.
- QwtGraphic
Handling of RenderPensUnscaled flag fixed to respect initial
painter transformations ( non cosmetic pens on legend icons will
be scaled according to paint device resolution - f.e high dpi printouts - now ).
- QwtPainter
Painter transformation for simple rich texts fixed.
Applying alpha values, when drawing color bars.
- QwtPicker
Work around a Qt bug when creating an event filter inside of an
event filter ( calling the event filter twice ).
- QwtPickerMachine
Ignoring autorepeated key events.
- QwtPlotCurve
Paint order of curve pen and brush inverted ( pen on top of brush ).
- QwtPlotAbstractBarChart
Using layoutHint() as minimum sample width in AutoAdjustSamples mode.
- QwtPlotBarChart/QwtPlotMultiBarChart
Caluclation of boundingRect() fixed.
- QwtPlotScaleItem
Internal cache removed to avoid out of sync situations
- QwtPlotSpectroCurve
Losing alpha values from the color map fixed.
- QwtPlotTextLabel
No internal caches for record/replay paint devices ( QPicture/QwtGraphic ).
- QwtRasterData
Handling of NaN values added, when calculating contour lines.
- QwtSymbol
Pin point translations fixed.
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