diff options
Diffstat (limited to 'src/datavisualization/doc')
| -rw-r--r-- | src/datavisualization/doc/src/qtdatavisualization-qml-abstractdeclarative.qdoc | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/src/datavisualization/doc/src/qtdatavisualization-qml-abstractdeclarative.qdoc b/src/datavisualization/doc/src/qtdatavisualization-qml-abstractdeclarative.qdoc index bc68d2fb..df2143a3 100644 --- a/src/datavisualization/doc/src/qtdatavisualization-qml-abstractdeclarative.qdoc +++ b/src/datavisualization/doc/src/qtdatavisualization-qml-abstractdeclarative.qdoc @@ -89,26 +89,19 @@ How the graph will be rendered. Defaults to \c{RenderIndirect}. \value RenderDirectToBackground - Indicates that the graph will be rendered directly on the window background. + Indicates that the graph will be rendered directly on the window background and QML items are + rendered on top of it. Using non-transparent QML item as a background will hide the graph. Clears the whole window before rendering the graph, including the areas - outside the graph. - Since the graphs in this rendering mode are drawn on the window background under other QML - items, the regular QML window clearing before rendering is suppressed. The graphs handle the clearing - themselves instead. - If the surface format of the window supports antialiasing, it will be used (see - \c {qDefaultSurfaceFormat()}). + outside the graph. If the surface format of the window supports antialiasing, it will be used (see + \c {QtDataVisualization::qDefaultSurfaceFormat()}). This rendering mode offers the best performance at the expense of non-standard QML behavior. For example, the graphs do not obey the z ordering of QML items and the opacity value has no effect on them. + \value RenderDirectToBackground_NoClear - Similar to \c RenderDirectToBackground mode, except that the graph will not clear the whole - window before rendering the graph. This mode is better for windows where you have other custom items - besides the graphs that also draw on the window background. In that case you need to either take care - of the window clearing yourself or ensure that all areas of the window are fully covered with opaque - items. - If one graph in the window uses either of the direct rendering modes, then all other graphs in the - same window also drawn in direct modes should use the exact same direct rendering mode. - Otherwise some graphs may not show up, depending on the drawing order of the graphs. + \obsolete + \note This will work exactly the same way as \c RenderDirectToBackground does in Qt 6 + as not clearing the window is not supported anymore. \value RenderIndirect Indicates the graph will be first rendered to an offscreen surface that |