Changeset 9383 in ntrip for trunk/BNC/qwt/qwt_plot_canvas.h
- Timestamp:
- Mar 19, 2021, 9:15:03 AM (3 years ago)
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- 1 edited
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trunk/BNC/qwt/qwt_plot_canvas.h
r8127 r9383 20 20 /*! 21 21 \brief Canvas of a QwtPlot. 22 22 23 23 Canvas is the widget where all plot items are displayed 24 24 … … 43 43 { 44 44 /*! 45 \brief Paint double buffered reusing the content 46 of the pixmap buffer when possible. 45 \brief Paint double buffered reusing the content 46 of the pixmap buffer when possible. 47 47 48 48 Using a backing store might improve the performance … … 60 60 61 61 When using styled backgrounds Qt assumes, that the 62 canvas doesn't fill its area completely 62 canvas doesn't fill its area completely 63 63 ( f.e because of rounded borders ) and fills the area 64 64 below the canvas. When this is done with gradients it might … … 66 66 67 67 When the Opaque attribute is enabled the canvas tries to 68 identify the gaps with some heuristics and to fill those only. 68 identify the gaps with some heuristics and to fill those only. 69 69 70 \warning Will not work for semitransparent backgrounds 70 \warning Will not work for semitransparent backgrounds 71 71 */ 72 72 Opaque = 2,
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