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This builds on the static phase compensation in the MSK144 decoder and the phase analysis and polynomial fitting capabilities also in teh MSK144 decoder, by allowing captured data to be selected for phase equalization from the WSJT-X UI. Reads captured phase compensation curve estimate files containing fitted polynomial coefficients and measured phase data from MSK144 receptions. Intent is to select a compensation curve that is from a known transmitter like an SDR which have good phase linearity. Phase plots and compensation polynomials may be viewed and compared with the current compensation polynomial. A suitable polynomial can be applied to be use in all further decoding of MSK144 signals. Plots of the currently selected polynomial and its modified higher order terms polynomial which is actually used in equalization (this plot may be dropped - it is just for kicks at the moment). When a captured phase analysis file is loaded plots of the measured phase and the proposed best fit polynomial are shown. Basic maintenance is also included allowing clearing and loading captured plots and an option to revert to a flat no equalization curve. More to come on this as amplitude equalization is also possible, this will probably be similar, maybe even plotted on the same graph with dual axes for phase and amplitude. Amplitude correction from a measured reference spectrum could be viewed and selected for equalization for all modes. TBC... This change also introduces the QCustomPlot 3rd party widget. Currently this is statically linked from a qcp library built by the WSJT-X CMake script. This will probably be migrated to a shared object (DLL) build as a CMake external project, once some CMake script re-factoring has been completed, which is more in line with the QCustomPlot author's intentions. This will allow efficient reuse in other tools shipped with WSJT-X. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7570 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
534 lines
46 KiB
Plaintext
534 lines
46 KiB
Plaintext
#### Version 2.0.0-beta released on 13.09.16 ####
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Added major features:
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- Axis tick and tick label generation was completely refactored and is now handled in the QCPAxisTicker class (also see QCPAxis::setTicker). Available ticker subclasses for special uses cases:
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QCPAxisTicker, QCPAxisTickerFixed, QCPAxisTickerLog, QCPAxisTickerPi, QCPAxisTickerTime, QCPAxisTickerDateTime, QCPAxisTickerText
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- Data container is now based on QCPDataContainer template for unified data interface and significantly improved memory footprint and better performance for common use-cases, especially data adding/removing.
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- New data selection mechanism allows selection of single data points and data ranges for plottables. See special documentation page "data selection mechanism".
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- Rubber band/selection rect for data point selection and axis zooming is now available, see documentation of QCustomPlot::setSelectionRectMode and QCPSelectionRect. For this purpose, the new default
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layer "overlay" was introduced, which is now the top layer, and holds the QCustomPlot's QCPSelectionRect instance.
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- Data sharing between plottables of the same type (see setData methods taking a QSharedPointer)
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- OpenGL hardware acceleration is now available across all Qt versions (including Qt4) in a unified, simple interface, with QCustomPlot::setOpenGl
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- QCPStatisticalBox can now display a series of statistical boxes instead of only a single one
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- New QCPErrorBars plottable allows attaching error bars to any one-dimensional plottable (QCPGraph has thus lost its own error-bar capability)
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- QCPColorMap now supports transparency via alpha in its color gradient stops, and via a dedicated cell-wise alpha map (see QCPColorMapData::setAlpha)
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- Layers may now be individually replotted (QCPLayer::replot), if the mode (QCPLayer::setMode) is set to lmBuffered. Mutually adjacent lmLogical layers share a single paint buffer to save resources.
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By default, the new topmost "overlay" layer which contains the selection rect is an lmBuffered layer. Updating the selection rect is thus very fast, independent of the plot contents.
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- QCPLayerable (and thus practically all objects in QCP) now have virtual methods to receive mouse press/move/release/doubleclick/wheel events. Before, only QCPLayoutElement provided them.
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this makes it much easier to subclass e.g. items and plottables to provide custom mouse interactions that were cumbersome and awkward with the simpler signal-based interface
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Added minor features:
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- High-DPI support for Qt versions 5.0 and up, using device pixel ratio detected by Qt (can be changed manually via QCustomPlot::setBufferDevicePixelRatio).
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- QCPGraph and QCPCurve can now be configured to only display every n'th scatter symbol, see ::setScatterSkip() method
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- QCPFinancial allows to define bar width in absolute pixels and axis rect ratio, instead of only in plot key coordinates (see QCPFinancial::setWidthType)
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- Range dragging/zooming can now be configured to affect more than one axis per orientation (see new overloads of QCPAxisRect::setRangeDragAxes/setRangeZoomAxes)
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- Added QCPTextElement (replaces QCPPlotTitle) for general texts in layouts. Provides clicked and doubleClicked signals, as replacement for the removed QCustomPlot::titleClicked/titleDoubleClicked
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- Export functions (QCustomPlot::savePng etc.) now support specifying the resolution that will be written to the image file header. This improves operability with other tools which respect metadata.
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- Replots can now be queued to the next event loop iteration with replot(QCP::rpQueuedReplot). This way you can successively ask for a replot at multiple code locations without causing redundant replots
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- QCPAxisRect::zoom(...) allows to zoom to a specific rectangular region given in pixel coordinates, either affecting all axes or a specified subset of axes.
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- QCPRange::bounded returns a bounded range, trying to preserve its size. Works with rangeChanged signal to limit the allowed range (see rangeChanged doc)
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- Plottable rescaleValueAxis method (and getValueRange) now take parameter inKeyRange, which allows rescaling of the value axis only with respect to data in the currently visible key range
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- plottableClick and plottableDoubleClick signals now carry the clicked data point index as second parameter
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- Added QCPAxis::scaleRange overload without "center" argument, which scales around the current axis range center
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- Added QCPRange::expand/expanded overloads which take only one double parameter
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- Plottables addToLegend/removeFromLegend methods now have overloads that take any QCPLegend, to make working with non-default legends easier (legends that are not QCustomPlot::legend)
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- Added QCPStatisticalBox::setWhiskerAntialiased to allow controlling antialiasing state of whiskers independently of quartile box/median line
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- The virtual method QCPLayoutElement::layoutChanged() now allows subclasses to react on a move of the layout element between logical positions in the parent layout, or between layouts
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- QCPMarginGroup::commonMargin is now virtual, to facilitate subclassing of QCPMarginGroup
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- QCPGraph::getPreparedData is now virtual, and thus allows subclasses to easily generate own plotted data, e.g. on-the-fly.
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- Added QCPRange qDebug stream operator
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- QCPLayoutGrid (and thus QCPLegend) can now wrap rows or columns at specified row/column counts, see setFillOrder, setWrap and the new addElement overload which doesn't have row/column index
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Bugfixes [Also backported to 1.3.2]:
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- Fixed possible crash when having a QCPGraph with scatters only and a non-transparent main/fill brush of the graph
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- Fixed QCPItemPixmap not updating internally cached scaled pixmap if new pixmap set with same scaled dimensions
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- When using log axis scale and zooming out as far as possible (~1e-280..1e280), axis doesn't end up in (via mouse) unrecoverable range with strange axis ticks anymore
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- Axis tick label algorithm for beautifully typeset powers now checks whether "e" in tick label is actually part of a number before converting the exponent to superscript
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- Fixed QCustomPlot::moveLayer performing incorrect move and possible crash in certain situations
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- Fixed possible crash on QCustomPlot destruction due to wrong QObject-hierarchy. Only occurs if a QCPAxisRect is removed from the normal QCustomPlot destruction hierarchy by taking it out of its layout
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- Fixed possible freeze when data values become infinity after coord-to-pixel transformation (e.g. maximally zoomed out log axis), and line style is not solid (e.g. dashed) or phFastPolylines is disabled
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- Fixed a few missing enums in meta type system, by unifying usage of Q_ENUMS, Q_FLAGS and Q_DECLARE_METATYPE
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Bugfixes [Not in 1.3.2]:
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- Fixed QCPItemLine/QCPItemStraightLine not being selectable when defining coords are many orders of magnitude (>1e8) larger than currently viewed range
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- Fixed/worked around crash due to bug in QPainter::drawPixmap with very large negative x/y pixel coordinates, when drawing sparse pixmap scatters
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- Fixed possible (but unlikely) int overflow in adaptive sampling algorithm, that could cause plot artifacts when using extremely sparse data (with respect to current key axis range).
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- Fixed QCPBarsGroup bug which caused stPlotCoords spacing to be wrong with vertical key axes
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- A QCPBars axis rescale in the main window constructor (i.e. without well-defined plot size) now falls back to a datapoint-tight rescaling instead of doing nothing (because bar width can't be determined)
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- Improved QCPBars stacking when using bars with very large keys and key separation at limit of double precision
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Summary of backward incompatible changes:
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Plottable related:
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- Removed QCustomPlot::addPlottable, not needed anymore as plottables now automatically register in their constructor
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- Removed QCustomPlot::addItem, not needed anymore as items now automatically register in their constructor
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- QCPAbstractPlottable::addToLegend/removeFromLegend are not virtual anymore. If your plottable requires a custom legend item, add it to the legend manually.
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- setData/addData method overloads of plottables have changed to facilitate data sharing and new data container (see documentation)
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- plottableClick and plottableDoubleClick signals now carry the clicked data point index as second parameter, and the QMouseEvent parameter has moved to third.
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Check all your usages of those signals, because Qt's connect method only reports problems during runtime!
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- setSelectable now not only limits what can be selected by the user, but limits also any programmatic selection changes via setSelected.
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- enum QCPAbstractPlottable::SignDomain has changed namespace to QCP::SignDomain
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Axis related:
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- Removed QCPAxis::setAutoTicks, setAutoTickCount, setAutoTickLabels, setAutoTickStep, setAutoSubTicks, setTickLabelType, setDateTimeFormat, setDateTimeSpec,
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setTickStep, setTickVector, setTickVectorLabels, setSubTickCount in favor of new QCPAxisTicker-based interface
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- Added QCPAxis::setSubTicks to enable/disable subticks (manually controlling the subtick count needs subclassing of QCPAxisTicker, e.g. QCPAxisTickerText and QCPAxisTickerLog provide setSubTickCount)
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Item related:
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- Renamed QCPAbstractItem::rectSelectTest to rectDistance, to prevent confusion with new QCPAbstractPlottable1D::selectTestRect
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- Renamed QCPItemAnchor::pixelPoint to QCPItemAnchor::pixelPosition (also affects subclass QCPItemPosition)
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General:
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- Renamed QCustomPlot::RefreshPriority enums (parameter of the replot() method): rpImmediate to rpImmediateRefresh, rpQueued to rpQueuedRefresh, rpHint to rpRefreshHint
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- Renamed QCustomPlot::PlottingHint enum phForceRepaint to phImmediateRefresh
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- Removed QCPPlotTitle layout element (See new QCPTextElement for almost drop-in replacement)
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- Removed signals QCustomPlot::titleClicked/titleDoubleClicked, replaced by QCPTextElement signals clicked/doubleClicked.
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- QCustomPlot::savePdf has changed parameters from (fileName, bool noCosmeticPen, width, height,...) to (fileName, width, height, QCP::ExportPen exportPen,...)
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- Virtual methods QCPLayoutElement::mouseMoveEvent/mouseReleaseEvent (which are now introduced already in the superclass QCPLayerable) have gained an additional parameter const QPointF &startPos.
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If you have reimplemented these methods, make sure to update your function signatures, otherwise your reimplementations will likely be ignored by the compiler without warning
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- Creating a new QCPColorGradient without supplying a preset parameter in the constructor now creates an empty gradient, instead of loading the gpCold preset
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Other:
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- Replaced usage of Qt's QVector2D with own QCPVector2D which uses double precision and offers some convenience functions
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- Extended relative range to which QCPItemLine/QCPItemStraightLine can be zoomed before vanishing from ~1e9 to ~1e16
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- Removed QCPItemStraightLine::distToStraightLine (replaced by QCPVector2D::distanceToStraightLine)
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- Removed QCPAbstractPlottable::distSqrToLine and QCPAbstractItem::distSqrToLine (replaced by QCPVector2D::distanceSquaredToLine)
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- Qt5.5 compatibility (If you use PDF export, test your outputs, as output dimensions might change when switching Qt versions -- QCP does not try to emulate previous Qt version behaviour here)
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- QCP now includes <QtPrintSupport/QtPrintSupport> instead of just <QtPrintSupport> because some users had problems with the latter. Please report if you now experience issues due to the new include.
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- QCPGraph can now use a brush (filled polygon under the graph data) without having a graph line (line style lsNone)
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- QCPFinancial is now two-colored (setTwoColored(true)) by default, and has green/red as default two-colored brushes and pens
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- Plottable pixelsToCoords/coordsToPixels methods are now public, and offer transformations from pixel to plot coordinates and vice versa, using the plottable's axes
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- Plottable getKeyRange/getValueRange methods are now public
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- QCPBarsGroup now always places the QCPBars that was added to the group first towards lower keys, independent of axis orientation or direction (the ordering used to flip with axis orientation)
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- Default focus policy for QCustomPlot is now Qt::ClickFocus, instead of Qt::NoFocus.
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- tweaked QCPLegend and QCPAbstractLegendItem margins: The items have by default zero own margins, and QCPLegend row- and column spacing was increased to compensate. Legend was made slightly denser by default.
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- Used doxygen version is now 1.8.12, and documentation/postprocessing-scripts were adapted accordingly. Expect minor issues and some warnings when using older doxygen.
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#### Version 1.3.2 released on 22.12.15 ####
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Bugfixes [Backported from 2.0.0 branch]:
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- Fixed possible crash when having a QCPGraph with scatters only and a non-transparent main/fill brush of the graph
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- Fixed QCPItemPixmap not updating internally cached scaled pixmap if new pixmap set with same scaled dimensions
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- When using log axis scale and zooming out as far as possible (~1e-280..1e280), axis doesn't end up in (via mouse) unrecoverable range with strange axis ticks anymore
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- Axis tick label algorithm for beautifully typeset powers now checks whether "e" in tick label is actually part of a number before converting the exponent to superscript
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- Fixed QCustomPlot::moveLayer performing incorrect move and possible crash in certain situations
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- Fixed possible crash on QCustomPlot destruction due to wrong QObject-hierarchy. Only occurs if a QCPAxisRect is removed from the normal QCustomPlot destruction hierarchy by taking it out of its layout
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- Fixed possible freeze when data values become infinity after coord-to-pixel transformation (e.g. maximally zoomed out log axis), and line style is not solid (e.g. dashed) or phFastPolylines is disabled
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Other [Backported from 2.0.0 branch]:
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- A few documentation fixes/improvements
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- Qt5.5 compatibility (If you use PDF export, test your outputs, as output dimensions might change when switching Qt versions -- QCP does not try to emulate previous Qt version behaviour here)
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- QCP now includes <QtPrintSupport/QtPrintSupport> instead of just <QtPrintSupport> because some users had problems with the latter. Please report if you now experience issues due to the new include.
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#### Version 1.3.1 released on 25.04.15 ####
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Bugfixes:
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- Fixed bug that prevented automatic axis rescaling when some graphs/curves had only NaN data points
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- Improved QCPItemBracket selection boundaries, especially bsCurly and bsCalligraphic
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- Fixed bug of axis rect and colorscale background shifted downward by one logical pixel (visible in scaled png and pdf export)
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- Replot upon mouse release is now only performed if a selection change has actually happened (improves responsivity on particularly complex plots)
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- Fixed bug that allowed scatter-only graphs to be selected by clicking the non-existent line between scatters
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- Fixed crash when trying to select a scatter-only QCPGraph whose only points in the visible key range are at identical key coordinates and vertically off-screen, with adaptive sampling enabled
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- Fixed pdf export of QCPColorMap with enabled interpolation (didn't appear interpolated in pdf)
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- Reduced QCPColorMap jitter of internal cell boundaries for small sized maps when viewed with high zoom, by applying oversampling factors dependant on map size
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- Fixed bug of QCPColorMap::fill() not causing the buffered internal image map to be updated, and thus the change didn't become visible immediately
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- Axis labels with size set in pixels (setPixelSize) instead of points now correctly calculate the exponent's font size if beautifully typeset powers are enabled
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- Fixed QCPColorMap appearing at the wrong position for logarithmic axes and color map spanning larger ranges
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Other:
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- Pdf export used to embed entire QCPColorMaps, potentially leading to large files. Now only the visible portion of the map is embedded in the pdf
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- Many documentation fixes and extensions, style modernization
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- Reduced documentation file size (and thus full package size) by automatically reducing image palettes during package build
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- Fixed MSVC warning message (at warning level 4) due to temporary QLists in some foreach statements
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#### Version 1.3.0 released on 27.12.14 ####
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Added features:
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- New plottable class QCPFinancial allows display of candlestick/ohlc data
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- New class QCPBarsGroup allows horizontal grouping of multiple QCPBars plottables
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- Added QCPBars feature allowing non-zero base values (see property QCPBars::setBaseValue)
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- Added QCPBars width type, for more flexible bar widths (see property QCPBars::setWidthType)
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- New QCPCurve optimization algorithm, fixes bug which caused line flicker at deep zoom into curve segment
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- Item positions can now have different position types and anchors for their x and y coordinates (QCPItemPosition::setTypeX/Y, setParentAnchorX/Y)
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- QCPGraph and QCPCurve can now display gaps in their lines, when inserting quiet NaNs as values (std::numeric_limits<double>::quiet_NaN())
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- QCPAxis now supports placing the tick labels inside the axis rect, for particularly space saving plots (QCPAxis::setTickLabelSide)
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Added features after beta:
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- Made code compatible with QT_NO_CAST_FROM_ASCII, QT_NO_CAST_TO_ASCII
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- Added compatibility with QT_NO_KEYWORDS after sending code files through a simple reg-ex script
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- Added possibility to inject own QCPAxis(-subclasses) via second, optional QCPAxisRect::addAxis parameter
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- Added parameter to QCPItemPixmap::setScaled to specify transformation mode
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Bugfixes:
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- Fixed bug in QCPCurve rendering of very zoomed-in curves (via new optimization algorithm)
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- Fixed conflict with MSVC-specific keyword "interface" in text-document-integration example
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- Fixed QCPScatterStyle bug ignoring the specified pen in the custom scatter shape constructor
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- Fixed bug (possible crash) during QCustomPlot teardown, when a QCPLegend that has no parent layout (i.e. was removed from layout manually) gets deleted
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Bugfixes after beta:
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- Fixed bug of QCPColorMap/QCPColorGradient colors being off by one color sampling step (only noticeable in special cases)
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- Fixed bug of QCPGraph adaptive sampling on vertical key axis, causing staggered look
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- Fixed low (float) precision in QCPCurve optimization algorithm, by not using QVector2D anymore
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Other:
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- Qt 5.3 and Qt 5.4 compatibility
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#### Version 1.2.1 released on 07.04.14 ####
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Bugfixes:
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- Fixed regression which garbled date-time tick labels on axes, if setTickLabelType is ltDateTime and setNumberFormat contains the "b" option
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#### Version 1.2.0 released on 14.03.14 ####
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Added features:
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- Adaptive Sampling for QCPGraph greatly improves performance for high data densities (see QCPGraph::setAdaptiveSampling)
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- QCPColorMap plottable with QCPColorScale layout element allows plotting of 2D color maps
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- QCustomPlot::savePdf now has additional optional parameters pdfCreator and pdfTitle to set according PDF metadata fields
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- QCustomPlot::replot now allows specifying whether the widget update is immediate (repaint) or queued (update)
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- QCPRange operators +, -, *, / with double operand for range shifting and scaling, and ==, != for range comparison
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- Layers now have a visibility property (QCPLayer::setVisible)
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- static functions QCPAxis::opposite and QCPAxis::orientation now offer more convenience when handling axis types
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- added notification signals for selectability change (selectableChanged) on all objects that have a selected/selectable property
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- added notification signal for QCPAxis scaleType property
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- added notification signal QCPLayerable::layerChanged
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Bugfixes:
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- Fixed assert halt, when QCPAxis auto tick labels not disabled but nevertheless a custom non-number tick label ending in "e" given
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- Fixed painting glitches when QCustomPlot resized inside a QMdiArea or under certain conditions inside a QLayout
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- If changing QCPAxis::scaleType and thus causing range sanitizing and a range modification, rangeChanged wouldn't be emitted
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- Fixed documentation bug that caused indentation to be lost in code examples
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Bugfixes after beta:
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- Fixed bug that caused crash if clicked-on legend item is removed in mousePressEvent.
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- On some systems, font size defaults to -1, which used to cause a debug output in QCPAxisPainterPrivate::TickLabelDataQCP. Now it's checked before setting values based on the default font size.
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- When using multiple axes on one side, setting one to invisible didn't properly compress the freed space.
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- Fixed bug that allowed selection of plottables when clicking in the bottom or top margin of a QCPAxisRect (outside the inner rect)
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Other:
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- In method QCPAbstractPlottable::getKeyRange/getValueRange, renamed parameter "validRange" to "foundRange", to better reflect its meaning (and contrast it from QCPRange::validRange)
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- QCPAxis low-level axis painting methods exported to QCPAxisPainterPrivate
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#### Version 1.1.1 released on 09.12.13 ####
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Bugfixes:
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- Fixed bug causing legends blocking input events from reaching underlying axis rect even if legend is invisible
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- Added missing Q_PROPERTY for QCPAxis::setDateTimeSpec
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- Fixed behaviour of QCPAxisRect::setupFullAxesBox (now transfers more properties from bottom/left to top/right axes and sets visibility of bottom/left axes to true)
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- Made sure PDF export doesn't default to grayscale output on some systems
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Other:
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- Plotting hint QCP::phForceRepaint is now enabled on all systems (and not only on windows) by default
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- Documentation improvements
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#### Version 1.1.0 released on 04.11.13 ####
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Added features:
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- Added QCPRange::expand and QCPRange::expanded
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- Added QCPAxis::rescale to rescale axis to all associated plottables
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- Added QCPAxis::setDateTimeSpec/dateTimeSpec to allow axis labels either in UTC or local time
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- QCPAxis now additionally emits a rangeChanged signal overload that provides the old range as second parameter
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Bugfixes:
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- Fixed QCustomPlot::rescaleAxes not rescaling properly if first plottable has an empty range
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- QCPGraph::rescaleAxes/rescaleKeyAxis/rescaleValueAxis are no longer virtual (never were in base class, was a mistake)
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- Fixed bugs in QCPAxis::items and QCPAxisRect::items not properly returning associated items and potentially stalling
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Other:
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- Internal change from QWeakPointer to QPointer, thus got rid of deprecated Qt functionality
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- Qt5.1 and Qt5.2 (beta1) compatibility
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- Release packages now extract to single subdirectory and don't place multiple files in current working directory
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#### Version 1.0.1 released on 05.09.13 ####
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Bugfixes:
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- using define flag QCUSTOMPLOT_CHECK_DATA caused debug output when data was correct, instead of invalid (fixed QCP::isInvalidData)
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- documentation images are now properly shown when viewed with Qt Assistant
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- fixed various documentation mistakes
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Other:
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- Adapted documentation style sheet to better match Qt5 documentation
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#### Version 1.0.0 released on 01.08.13 ####
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Quick Summary:
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- Layout system for multiple axis rects in one plot
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- Multiple axes per side
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- Qt5 compatibility
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- More flexible and consistent scatter configuration with QCPScatterStyle
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- Various interface cleanups/refactoring
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- Pixmap-cached axis labels for improved replot performance
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Changes that break backward compatibility:
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- QCustomPlot::axisRect() changed meaning due to the extensive changes to how axes and axis rects are handled
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it now returns a pointer to a QCPAxisRect and takes an integer index as parameter.
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- QCPAxis constructor changed to now take QCPAxisRect* as parent
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- setAutoMargin, setMarginLeft/Right/Top/Bottom removed due to the axis rect changes (see QCPAxisRect::setMargins/setAutoMargins)
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- setAxisRect removed due to the axis rect changes
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- setAxisBackground(-Scaled/-ScaledMode) now moved to QCPAxisRect as setBackground(-Scaled/ScaledMode) (access via QCustomPlot::axisRects())
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- QCPLegend now is a QCPLayoutElement
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- QCPAbstractPlottable::drawLegendIcon parameter "rect" changed from QRect to QRectF
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- QCPAbstractLegendItem::draw second parameter removed (position/size now handled via QCPLayoutElement base class)
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- removed QCPLegend::setMargin/setMarginLeft/Right/Top/Bottom (now inherits the capability from QCPLayoutElement::setMargins)
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- removed QCPLegend::setMinimumSize (now inherits the capability from QCPLayoutElement::setMinimumSize)
|
|
- removed enum QCPLegend::PositionStyle, QCPLegend::positionStyle/setPositionStyle/position/setPosition (replaced by capabilities of QCPLayoutInset)
|
|
- QCPLegend transformed to work with new layout system (almost everything changed)
|
|
- removed entire title interface: QCustomPlot::setTitle/setTitleFont/setTitleColor/setTitleSelected/setTitleSelectedFont/setTitleSelectedColor and
|
|
the QCustomPlot::iSelectTitle interaction flag (all functionality is now given by the layout element "QCPPlotTitle" which can be added to the plot layout)
|
|
- selectTest functions now take two additional parameters: bool onlySelectable and QVariant *details=0
|
|
- selectTest functions now ignores visibility of objects and (if parameter onlySelectable is true) does not anymore ignore selectability of the object
|
|
- moved QCustomPlot::Interaction/Interactions to QCP namespace as QCP::Interaction/Interactions
|
|
- moved QCustomPlot::setupFullAxesBox() to QCPAxisRect::setupFullAxesBox. Now also accepts parameter to decide whether to connect opposite axis ranges
|
|
- moved range dragging/zooming interface from QCustomPlot to QCPAxisRect (setRangeDrag, setRangeZoom, setRangeDragAxes, setRangeZoomAxes,...)
|
|
- rangeDrag/Zoom is now set to Qt::Horizontal|Qt::Vertical instead of 0 by default, on the other hand, iRangeDrag/Zoom is unset in interactions by
|
|
default (this makes enabling dragging/zooming easier by just adding the interaction flags)
|
|
- QCPScatterStyle takes over everything related to handling scatters in all plottables
|
|
- removed setScatterPen/Size on QCPGraph and QCPCurve, removed setOutlierPen/Size on QCPStatisticalBox (now handled via QCPScatterStyle)
|
|
- modified setScatterStyle on QCPGraph and QCPCurve, and setOutlierStyle on QCPStatisticalBox, to take QCPScatterStyle
|
|
- axis grid and subgrid are now reachable via the QCPGrid *QCPAxis::grid() method. (e.g. instead of xAxis->setGrid(true), write xAxis->grid()->setVisible(true))
|
|
|
|
Added features:
|
|
- Axis tick labels are now pixmap-cached, thus increasing replot performance (in usual setups by about 24%). See plotting hint phCacheLabels which is set by default
|
|
- Advanced layout system, including the classes QCPLayoutElement, QCPLayout, QCPLayoutGrid, QCPLayoutInset, QCPAxisRect
|
|
- QCustomPlot::axisRects() returns all the axis rects in the QCustomPlot.
|
|
- QCustomPlot::plotLayout() returns the top level layout (initially a QCPLayoutGrid with one QCPAxisRect inside)
|
|
- QCPAxis now may have an offset to the axis rect (setOffset)
|
|
- Multiple axes per QCPAxisRect side are now supported (see QCPAxisRect::addAxis)
|
|
- QCustomPlot::toPixmap renders the plot into a pixmap and returns it
|
|
- When setting tick label rotation to +90 or -90 degrees on a vertical axis, the labels are now centered vertically on the tick height
|
|
(This allows space saving vertical tick labels by having the text direction parallel to the axis)
|
|
- Substantially increased replot performance when using very large manual tick vectors (> 10000 ticks) via QCPAxis::setTickVector
|
|
- QCPAxis and QCPAxisRect now allow easy access to all plottables(), graphs() and items() that are associated with them
|
|
- Added QCustomPlot::hasItem method for consistency with plottable interface, hasPlottable
|
|
- Added QCPAxisRect::setMinimumMargins as replacement for hardcoded minimum axis margin (15 px) when auto margin is enabled
|
|
- Added Flags type QCPAxis::AxisTypes (from QCPAxis::AxisType), used in QCPAxisRect interface
|
|
- Automatic margin calculation can now be enabled/disabled on a per-side basis, see QCPAxisRect::setAutoMargins
|
|
- QCPAxisRect margins of multiple axis rects can be coupled via QCPMarginGroup
|
|
- Added new default layers "background" and "legend" (QCPAxisRect draws its background on the "background" layer, QCPLegend is on the "legend" layer by default)
|
|
- Custom scatter style via QCP::ssCustom and respective setCustomScatter functions that take a QPainterPath
|
|
- Filled scatters via QCPScatterStyle::setBrush
|
|
Added features after beta:
|
|
- Added QCustomPlot::toPainter method, to allow rendering with existing painter
|
|
- QCPItemEllipse now provides a center anchor
|
|
|
|
Bugfixes:
|
|
- Fixed compile error on ARM
|
|
- Wrong legend icons were displayed if using pixmaps for scatters that are smaller than the legend icon rect
|
|
- Fixed clipping inaccuracy for rotated tick labels (were hidden too early, because the non-rotated bounding box was used)
|
|
- Fixed bug that caused wrong clipping of axis ticks and subticks when the ticks were given manually by QCPAxis::setTickVector
|
|
- Fixed Qt5 crash when dragging graph out of view (iterator out of bounds in QCPGraph::getVisibleDataBounds)
|
|
- Fixed QCPItemText not scaling properly when using scaled raster export
|
|
Bugfixes after beta:
|
|
- Fixed bug that clipped the rightmost pixel column of tick labels when caching activated (only visible on windows for superscript exponents)
|
|
- Restored compatibility to Qt4.6
|
|
- Restored support for -no-RTTI compilation
|
|
- Empty manual tick labels are handled more gracefully (no QPainter qDebug messages anymore)
|
|
- Fixed type ambiguity in QCPLineEnding::draw causing compile error on ARM
|
|
- Fixed bug of grid layouts not propagating the minimum size from their child elements to the parent layout correctly
|
|
- Fixed bug of child elements (e.g. axis rects) of inset layouts not properly receiving mouse events
|
|
|
|
Other:
|
|
- Opened up non-amalgamated project structure to public via git repository
|
|
|
|
#### Version released on 09.06.12 ####
|
|
|
|
Quick Summary:
|
|
- Items (arrows, text,...)
|
|
- Layers (easier control over rendering order)
|
|
- New antialiasing system (Each objects controls own antialiasing with setAntialiased)
|
|
- Performance Improvements
|
|
- improved pixel-precise drawing
|
|
- easier shared library creation/usage
|
|
|
|
Changes that (might) break backward compatibility:
|
|
- enum QCPGraph::ScatterSymbol was moved to QCP namespace (now QCP::ScatterSymbol).
|
|
This replace should fix your code: "QCPGraph::ss" -> "QCP::ss"
|
|
- enum QCustomPlot::AntialiasedElement and flag QCustomPlot::AntialiasedElements was moved to QCP namespace
|
|
This replace should fix your code: "QCustomPlot::ae" -> "QCP::ae"
|
|
- the meaning of QCustomPlot::setAntialiasedElements has changed slightly: It is now an override to force elements to be antialiased. If you want to force
|
|
elements to not be drawn antialiased, use the new setNotAntialiasedElements. If an element is mentioned in neither of those functions, it now controls
|
|
its antialiasing itself via its "setAntialiased" function(s). (e.g. QCPAxis::setAntialiased(bool), QCPAbstractPlottable::setAntialiased(bool),
|
|
QCPAbstractPlottable::setAntialiasedScatters(bool), etc.)
|
|
- QCPAxis::setTickVector and QCPAxis::setTickVectorLabels no longer take a pointer but a const reference of the respective QVector as parameter.
|
|
(handing over a pointer didn't give any noticeable performance benefits but was inconsistent with the rest of the interface)
|
|
- Equally QCPAxis::tickVector and QCPAxis::tickVectorLabels don't return by pointer but by value now
|
|
- QCustomPlot::savePngScaled was removed, its purpose is now included as optional parameter "scale" of savePng.
|
|
- If you have derived from QCPAbstractPlottable: all selectTest functions now consistently take the argument "const QPointF &pos" which is the test point in pixel coordinates.
|
|
(the argument there was "double key, double value" in plot coordinates, before).
|
|
- QCPAbstractPlottable, QCPAxis and QCPLegend now inherit from QCPLayerable
|
|
- If you have derived from QCPAbstractPlottable: the draw method signature has changed from "draw (..) const" to "draw (..)", i.e. the method
|
|
is not const anymore. This allows the draw function of your plottable to perform buffering/caching operations, if necessary.
|
|
|
|
Added features:
|
|
- Item system: QCPAbstractItem, QCPItemAnchor, QCPItemPosition, QCPLineEnding. Allows placing of lines, arrows, text, pixmaps etc.
|
|
- New Items: QCPItemStraightLine, QCPItemLine, QCPItemCurve, QCPItemEllipse, QCPItemRect, QCPItemPixmap, QCPItemText, QCPItemBracket, QCPItemTracer
|
|
- QCustomPlot::addItem/itemCount/item/removeItem/selectedItems
|
|
- signals QCustomPlot::itemClicked/itemDoubleClicked
|
|
- the QCustomPlot interactions property now includes iSelectItems (for selection of QCPAbstractItem)
|
|
- QCPLineEnding. Represents the different styles a line/curve can end (e.g. different arrows, circle, square, bar, etc.), see e.g. QCPItemCurve::setHead
|
|
- Layer system: QCPLayerable, QCPLayer. Allows more sophisticated control over drawing order and a kind of grouping.
|
|
- QCPAbstractPlottable, QCPAbstractItem, QCPAxis, QCPGrid, QCPLegend are layerables and derive from QCPLayerable
|
|
- QCustomPlot::addLayer/moveLayer/removeLayer/setCurrentLayer/layer/currentLayer/layerCount
|
|
- Initially there are three layers: "grid", "main", and "axes". The "main" layer is initially empty and set as current layer, so new plottables/items are put there.
|
|
- QCustomPlot::viewport now makes the previously inaccessible viewport rect read-only-accessible (needed that for item-interface)
|
|
- PNG export now allows transparent background by calling QCustomPlot::setColor(Qt::transparent) before savePng
|
|
- QCPStatisticalBox outlier symbols may now be all scatter symbols, not only hardcoded circles.
|
|
- perfect precision of scatter symbol/error bar drawing and clipping in both antialiased and non-antialiased mode, by introducing QCPPainter
|
|
that works around some QPainter bugs/inconveniences. Further, more complex symbols like ssCrossSquare used to look crooked, now they look good.
|
|
- new antialiasing control system: Each drawing element now has its own "setAntialiased" function to control whether it is drawn antialiased.
|
|
- QCustomPlot::setAntialiasedElements and QCustomPlot::setNotAntialiasedElements can be used to override the individual settings.
|
|
- Subclasses of QCPAbstractPlottable can now use the convenience functions like applyFillAntialiasingHint or applyScattersAntialiasingHint to
|
|
easily make their drawing code comply with the overall antialiasing system.
|
|
- QCustomPlot::setNoAntialiasingOnDrag allows greatly improved performance and responsiveness by temporarily disabling all antialiasing while
|
|
the user is dragging axis ranges
|
|
- QCPGraph can now show scatter symbols at data points and hide its line (see QCPGraph::setScatterStyle, setScatterSize, setScatterPixmap, setLineStyle)
|
|
- Grid drawing code was sourced out from QCPAxis to QCPGrid. QCPGrid is mainly an internal class and every QCPAxis owns one. The grid interface still
|
|
works through QCPAxis and hasn't changed. The separation allows the grid to be drawn on a different layer as the axes, such that e.g. a graph can
|
|
be above the grid but below the axes.
|
|
- QCustomPlot::hasPlottable(plottable), returns whether the QCustomPlot contains the plottable
|
|
- QCustomPlot::setPlottingHint/setPlottingHints, plotting hints control details about the plotting quality/speed
|
|
- export to jpg and bmp added (QCustomPlot::saveJpg/saveBmp), as well as control over compression quality for png and jpg
|
|
- multi-select-modifier may now be specified with QCustomPlot::setMultiSelectModifier and is not fixed to Ctrl anymore
|
|
|
|
Bugfixes:
|
|
- fixed QCustomPlot ignores replot after it had size (0,0) even if size becomes valid again
|
|
- on Windows, a repaint used to be delayed during dragging/zooming of a complex plot, until the drag operation was done.
|
|
This was fixed, i.e. repaints are forced after a replot() call. See QCP::phForceRepaint and setPlottingHints.
|
|
- when using the raster paintengine and exporting to scaled PNG, pen widths are now scaled correctly (QPainter bug workaround via QCPPainter)
|
|
- PDF export now respects QCustomPlot background color (QCustomPlot::setColor), also Qt::transparent
|
|
- fixed a bug on QCPBars and QCPStatisticalBox where auto-rescaling of axis would fail when all data is very small (< 1e-11)
|
|
- fixed mouse event propagation bug that prevented range dragging from working on KDE (GNU/Linux)
|
|
- fixed a compiler warning on 64-bit systems due to pointer cast to int instead of quintptr in a qDebug output
|
|
|
|
Other:
|
|
- Added support for easier shared library creation (including examples for compiling and using QCustomPlot as shared library)
|
|
- QCustomPlot now has the Qt::WA_OpaquePaintEvent widget attribute (gives slightly improved performance).
|
|
- QCP::aeGraphs (enum QCP::AntialiasedElement, previously QCustomPlot::aeGraphs) has been marked deprecated since version 02.02.12 and
|
|
was now removed. Use QCP::aePlottables instead.
|
|
- optional performance-quality-tradeoff for solid graph lines (see QCustomPlot::setPlottingHints).
|
|
- marked data classes and QCPRange as Q_MOVABLE_TYPE
|
|
- replaced usage of own macro FUNCNAME with Qt macro Q_FUNC_INFO
|
|
- QCustomPlot now returns a minimum size hint of 50*50
|
|
|
|
#### Version released on 31.03.12 ####
|
|
|
|
Changes that (might) break backward compatibility:
|
|
- QCPAbstractLegendItem now inherits from QObject
|
|
- mousePress, mouseMove and mouseRelease signals are now emitted before and not after any QCustomPlot processing (range dragging, selecting, etc.)
|
|
|
|
Added features:
|
|
- Interaction system: now allows selecting of objects like plottables, axes, legend and plot title, see QCustomPlot::setInteractions documentation
|
|
- Interaction system for plottables:
|
|
- setSelectable, setSelected, setSelectedPen, setSelectedBrush, selectTest on QCPAbstractPlottable and all derived plottables
|
|
- setSelectionTolerance on QCustomPlot
|
|
- selectedPlottables and selectedGraphs on QCustomPlot (returns the list of currently selected plottables/graphs)
|
|
- Interaction system for axes:
|
|
- setSelectable, setSelected, setSelectedBasePen, setSelectedTickPen, setSelectedSubTickPen, setSelectedLabelFont, setSelectedTickLabelFont,
|
|
setSelectedLabelColor, setSelectedTickLabelColor, selectTest on QCPAxis
|
|
- selectedAxes on QCustomPlot (returns a list of the axes that currently have selected parts)
|
|
- Interaction system for legend:
|
|
- setSelectable, setSelected, setSelectedBorderPen, setSelectedIconBorderPen, setSelectedBrush, setSelectedFont, setSelectedTextColor, selectedItems on QCPLegend
|
|
- setSelectedFont, setSelectedTextColor, setSelectable, setSelected on QCPAbstractLegendItem
|
|
- selectedLegends on QCustomPlot
|
|
- Interaction system for title:
|
|
- setSelectedTitleFont, setSelectedTitleColor, setTitleSelected on QCustomPlot
|
|
- new signals in accordance with the interaction system:
|
|
- selectionChangedByUser on QCustomPlot
|
|
- selectionChanged on QCPAbstractPlottable
|
|
- selectionChanged on QCPAxis
|
|
- selectionChanged on QCPLegend and QCPAbstractLegendItem
|
|
- plottableClick, legendClick, axisClick, titleClick, plottableDoubleClick, legendDoubleClick, axisDoubleClick, titleDoubleClick on QCustomPlot
|
|
- QCustomPlot::deselectAll (deselects everything, i.e. axes and plottables)
|
|
- QCPAbstractPlottable::pixelsToCoords (inverse function to the already existing coordsToPixels function)
|
|
- QCPRange::contains(double value)
|
|
- QCPAxis::setLabelColor and setTickLabelColor
|
|
- QCustomPlot::setTitleColor
|
|
- QCustomPlot now emits beforeReplot and afterReplot signals. Note that it is safe to make two customPlots mutually call eachothers replot functions
|
|
in one of these slots, it will not cause an infinite loop. (usefull for synchronizing axes ranges between two customPlots, because setRange alone doesn't replot)
|
|
- If the Qt version is 4.7 or greater, the tick label strings in date-time-mode now support sub-second accuracy (e.g. with format like "hh:mm:ss.zzz").
|
|
|
|
Bugfixes:
|
|
- tick labels/margins should no longer oscillate by one pixel when dragging range or replotting repeatedly while changing e.g. data. This
|
|
was caused by a bug in Qt's QFontMetrics::boundingRect function when the font has an integer point size (probably some rounding problem).
|
|
The fix hence consists of creating a temporary font (only for bounding-box calculation) which is 0.05pt larger and thus avoiding the
|
|
jittering rounding outcome.
|
|
- tick label, axis label and plot title colors used to be undefined. This was fixed by providing explicit color properties.
|
|
|
|
Other:
|
|
- fixed some glitches in the documentation
|
|
- QCustomPlot::replot and QCustomPlot::rescaleAxes are now slots
|
|
|
|
#### Version released on 02.02.12 ####
|
|
|
|
Changes that break backward compatibility:
|
|
- renamed all secondary classes from QCustomPlot[...] to QCP[...]:
|
|
QCustomPlotAxis -> QCPAxis
|
|
QCustomPlotGraph -> QCPGraph
|
|
QCustomPlotRange -> QCPRange
|
|
QCustomPlotData -> QCPData
|
|
QCustomPlotDataMap -> QCPDataMap
|
|
QCustomPlotLegend -> QCPLegend
|
|
QCustomPlotDataMapIterator -> QCPDataMapIterator
|
|
QCustomPlotDataMutableMapIterator -> QCPDataMutableMapIterator
|
|
A simple search and replace on all code files should make your code run again, e.g. consider the regex "QCustomPlot(?=[AGRDL])" -> "QCP".
|
|
Make sure not to just replace "QCustomPlot" with "QCP" because the main class QCustomPlot hasn't changed to QCP.
|
|
This change was necessary because class names became unhandy, pardon my bad naming decision in the beginning.
|
|
- QCPAxis::tickLength() and QCPAxis::subTickLength() now each split into two functions for inward and outward ticks (tickLengthIn/tickLengthOut).
|
|
- QCPLegend now uses QCPAbstractLegendItem to carry item data (before, the legend was passed QCPGraphs directly)
|
|
- QCustomPlot::addGraph() now doesn't return the index of the created graph anymore, but a pointer to the created QCPGraph.
|
|
- QCustomPlot::setAutoAddGraphToLegend is replaced by setAutoAddPlottableToLegend
|
|
|
|
Added features:
|
|
- Reversed axis range with QCPAxis::setRangeReversed(bool)
|
|
- Tick labels are now only drawn if not clipped by the viewport (widget border) on the sides (e.g. left and right on a horizontal axis).
|
|
- Zerolines. Like grid lines only with a separate pen (QCPAxis::setZeroLinePen), at tick position zero.
|
|
- Outward ticks. QCPAxis::setTickLength/setSubTickLength now accepts two arguments for inward and outward tick length. This doesn't break
|
|
backward compatibility because the second argument (outward) has default value zero and thereby a call with one argument hasn't changed its meaning.
|
|
- QCPGraph now inherits from QCPAbstractPlottable
|
|
- QCustomPlot::addPlottable/plottable/removePlottable/clearPlottables added to interface with the new QCPAbstractPlottable-based system. The simpler interface
|
|
which only acts on QCPGraphs (addGraph, graph, removeGraph, etc.) was adapted internally and is kept for backward compatibility and ease of use.
|
|
- QCPLegend items for plottables (e.g. graphs) can automatically wrap their texts to fit the widths, see QCPLegend::setMinimumSize and QCPPlottableLegendItem::setTextWrap.
|
|
- QCustomPlot::rescaleAxes. Adapts axis ranges to show all plottables/graphs, by calling QCPAbstractPlottable::rescaleAxes on all plottables in the plot.
|
|
- QCPCurve. For plotting of parametric curves.
|
|
- QCPBars. For plotting of bar charts.
|
|
- QCPStatisticalBox. For statistical box plots.
|
|
|
|
Bugfixes:
|
|
- Fixed QCustomPlot::removeGraph(int) not being able to remove graph index 0
|
|
- made QCustomPlot::replot() abort painting when painter initialization fails (e.g. because width/height of QCustomPlot is zero)
|
|
- The distance of the axis label from the axis ignored the tick label padding, this could have caused overlapping axis labels and tick labels
|
|
- fixed memory leak in QCustomPlot (dtor didn't delete legend)
|
|
- fixed bug that prevented QCPAxis::setRangeLower/Upper from setting the value to exactly 0.
|
|
|
|
Other:
|
|
- Changed default error bar handle size (QCustomPlotGraph::setErrorBarSize) from 4 to 6.
|
|
- Removed QCustomPlotDataFetcher. Was deprecated and not used class.
|
|
- Extended documentation, especially class descriptions.
|
|
|
|
#### Version released on 15.01.12 ####
|
|
|
|
Changes that (might) break backward compatibility:
|
|
- QCustomPlotGraph now inherits from QObject
|
|
|
|
Added features:
|
|
- Added axis background pixmap (QCustomPlot::setAxisBackground, setAxisBackgroundScaled, setAxisBackgroundScaledMode)
|
|
- Added width and height parameter on PDF export function QCustomPlot::savePdf(). This now allows PDF export to
|
|
have arbitrary dimensions, independent of the current geometry of the QCustomPlot.
|
|
- Added overload of QCustomPlot::removeGraph that takes QCustomPlotGraph* as parameter, instead the index of the graph
|
|
- Added all enums to the Qt meta system via Q_ENUMS(). The enums can now be transformed
|
|
to QString values easily with the Qt meta system, which makes saving state e.g. as XML
|
|
significantly nicer.
|
|
- added typedef QMapIterator<double,QCustomPlotData> QCustomPlotDataMapIterator
|
|
and typedef QMutableMapIterator<double,QCustomPlotData> QCustomPlotDataMutableMapIterator
|
|
for improved information hiding, when using iterators outside QCustomPlot code
|
|
|
|
Bugfixes:
|
|
- Fixed savePngScaled. Axis/label drawing functions used to reset the painter transform
|
|
and thereby break savePngScaled. Now they buffer the current transform and restore it afterwards.
|
|
- Fixed some glitches in the doxygen comments (affects documentation only)
|
|
|
|
Other:
|
|
- Changed the default tickLabelPadding of top axis from 3 to 6 pixels. Looks better.
|
|
- Changed the default QCustomPlot::setAntialiasedElements setting: Graph fills are now antialiased
|
|
by default. That's a bit slower, but makes fill borders look better.
|
|
|
|
#### Version released on 19.11.11 ####
|
|
|
|
Changes that break backward compatibility:
|
|
- QCustomPlotAxis: tickFont and setTickFont renamed to tickLabelFont and setTickLabelFont (for naming consistency)
|
|
|
|
Other:
|
|
- QCustomPlotAxis: Added rotated tick labels, see setTickLabelRotation
|
|
|