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QWT5.01用于Qt开发的二维图形库程序

  <tr><td class="indexkey"><a class="el" href="class_qwt_metrics_map.html">QwtMetricsMap</a></td><td class="indexvalue">A Map to translate between layout, screen and paint device metrics </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_painter.html">QwtPainter</a></td><td class="indexvalue">A collection of QPainter workarounds </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_panner.html">QwtPanner</a></td><td class="indexvalue"><a class="el" href="class_qwt_panner.html">QwtPanner</a> provides panning of a widget </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_picker.html">QwtPicker</a></td><td class="indexvalue"><a class="el" href="class_qwt_picker.html">QwtPicker</a> provides selections on a widget </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_picker_click_point_machine.html">QwtPickerClickPointMachine</a></td><td class="indexvalue">A state machine for point selections </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_picker_click_rect_machine.html">QwtPickerClickRectMachine</a></td><td class="indexvalue">A state machine for rectangle selections </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_picker_drag_point_machine.html">QwtPickerDragPointMachine</a></td><td class="indexvalue">A state machine for point selections </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_picker_drag_rect_machine.html">QwtPickerDragRectMachine</a></td><td class="indexvalue">A state machine for rectangle selections </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_picker_machine.html">QwtPickerMachine</a></td><td class="indexvalue">A state machine for <a class="el" href="class_qwt_picker.html">QwtPicker</a> selections </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_picker_polygon_machine.html">QwtPickerPolygonMachine</a></td><td class="indexvalue">A state machine for polygon selections </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plain_text_engine.html">QwtPlainTextEngine</a></td><td class="indexvalue">A text engine for plain texts </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot.html">QwtPlot</a></td><td class="indexvalue">A 2-D plotting widget </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_canvas.html">QwtPlotCanvas</a></td><td class="indexvalue">Canvas of a <a class="el" href="class_qwt_plot.html">QwtPlot</a> </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_curve.html">QwtPlotCurve</a></td><td class="indexvalue">A class which draws curves </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_dict.html">QwtPlotDict</a></td><td class="indexvalue">A dictionary for plot items </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_grid.html">QwtPlotGrid</a></td><td class="indexvalue">A class which draws a coordinate grid </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_item.html">QwtPlotItem</a></td><td class="indexvalue">Base class for items on the plot canvas </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_layout.html">QwtPlotLayout</a></td><td class="indexvalue">Layout class for <a class="el" href="class_qwt_plot.html">QwtPlot</a> </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_magnifier.html">QwtPlotMagnifier</a></td><td class="indexvalue"><a class="el" href="class_qwt_plot_magnifier.html">QwtPlotMagnifier</a> provides zooming, by magnifying in steps </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_marker.html">QwtPlotMarker</a></td><td class="indexvalue">A class for drawing markers </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_panner.html">QwtPlotPanner</a></td><td class="indexvalue"><a class="el" href="class_qwt_plot_panner.html">QwtPlotPanner</a> provides panning of a plot canvas </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_picker.html">QwtPlotPicker</a></td><td class="indexvalue"><a class="el" href="class_qwt_plot_picker.html">QwtPlotPicker</a> provides selections on a plot canvas </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_print_filter.html">QwtPlotPrintFilter</a></td><td class="indexvalue">A base class for plot print filters </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_raster_item.html">QwtPlotRasterItem</a></td><td class="indexvalue">A class, which displays raster data </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_spectrogram.html">QwtPlotSpectrogram</a></td><td class="indexvalue">A plot item, which displays a spectrogram </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_svg_item.html">QwtPlotSvgItem</a></td><td class="indexvalue">A plot item, which displays data in Scalable Vector Graphics (SVG) format </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a></td><td class="indexvalue"><a class="el" href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a> provides stacked zooming for a plot widget </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_polygon_f_data.html">QwtPolygonFData</a></td><td class="indexvalue">Data class containing a single QwtArray&lt;QwtDoublePoint&gt; object </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_raster_data.html">QwtRasterData</a></td><td class="indexvalue"><a class="el" href="class_qwt_raster_data.html">QwtRasterData</a> defines an interface to any type of raster data </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_rect.html">QwtRect</a></td><td class="indexvalue">Some extensions for QRect </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_rich_text_engine.html">QwtRichTextEngine</a></td><td class="indexvalue">A text engine for Qt rich texts </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_round_scale_draw.html">QwtRoundScaleDraw</a></td><td class="indexvalue">A class for drawing round scales </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_scale_arithmetic.html">QwtScaleArithmetic</a></td><td class="indexvalue">Arithmetic including a tolerance </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a></td><td class="indexvalue">A class representing a scale division </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_scale_draw.html">QwtScaleDraw</a></td><td class="indexvalue">A class for drawing scales </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_scale_engine.html">QwtScaleEngine</a></td><td class="indexvalue">Base class for scale engines </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a></td><td class="indexvalue">A scale map </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_scale_transformation.html">QwtScaleTransformation</a></td><td class="indexvalue">Operations for linear or logarithmic (base 10) transformations </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_scale_widget.html">QwtScaleWidget</a></td><td class="indexvalue">A Widget which contains a scale </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_simple_compass_rose.html">QwtSimpleCompassRose</a></td><td class="indexvalue">A simple rose for <a class="el" href="class_qwt_compass.html">QwtCompass</a> </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_slider.html">QwtSlider</a></td><td class="indexvalue">The Slider Widget </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_spline.html">QwtSpline</a></td><td class="indexvalue">A class for spline interpolation </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_spline_curve_fitter.html">QwtSplineCurveFitter</a></td><td class="indexvalue">A curve fitter using cubic splines </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_symbol.html">QwtSymbol</a></td><td class="indexvalue">A class for drawing symbols </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_text.html">QwtText</a></td><td class="indexvalue">A class representing a text </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_text_engine.html">QwtTextEngine</a></td><td class="indexvalue">Abstract base class for rendering text strings </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_text_label.html">QwtTextLabel</a></td><td class="indexvalue">A Widget which displays a <a class="el" href="class_qwt_text.html">QwtText</a> </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_thermo.html">QwtThermo</a></td><td class="indexvalue">The Thermometer Widget </td></tr>
  <tr><td class="indexkey"><a class="el" href="class_qwt_wheel.html">QwtWheel</a></td><td class="indexvalue">The Wheel Widget </td></tr>
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