Qwt Free and open source Qt widgets for technical applications
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library gui class qwt library gui component utility class

Qwt Description

Free and open source Qt widgets for technical applications The Qwt library contains GUI Components and utility classes which are primarily useful for programs with a technical background. Beside a 2D plot widget it provides scales, wheels and knobs to control or display values, sliders, thermometers, dials, compasses, arrays, or ranges of type double.NOTE: Qwt is licensed and distributed under the terms of the GNU Library or Lesser General Public License (LGPL). Requirements: · Qt What's New in This Release: Changes: · Ported to Qt 4.5.x · Scaling of non cosmetic pens (for printing to devices in high resolution) · Clipping of polygons for SVG rendering · QwtRect removed - use QwtClipper instead · QwtPlotRescaler - Introduced · QwtDoubleInterval - BorderMode introduced · QwtPlotCurve - Performance of incremental curve painting ( = draw(from, to) ) improved. · QwtLegendItem - setIdentfierMode renamed to setIdentifierMode · QwtPlotCanvas::replot() introduced code from QwtPlot::replot shifted · QwtPlot - drawCanvas(), updateAxes() changed from protected to public · QwtScaleEngine - loMargin/hiMargin renamed to lowerMargin/upperMargin · QwtScaleDiv - lBound/hBound renamed to lowerBound/upperBound · QwtSpline - cofficientA/B/C introduced · QwtDial - counter clockwise scales introduced · QwtPlotMarker - Vertical text labels · doc/qwt-5.2.0.qch added for browsing the Qwt docs in the Qt assistant Bug Fixes: · QwtLinearScaleEngine Rounding problems fixed · Again some print layout problems fixed · QwtPlotScaleItem: 1 pixel offset fixed · QwtPlotSpectrogram, clipping of contour lines against the bounding rect · QwtPlotZoomer::setZoomStack for stacks with unlimited depth · Printing of rotated tick labels

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