set_line_widthT_set_line_widthSetLineWidthSetLineWidthset_line_width (算子)

名称

set_line_widthT_set_line_widthSetLineWidthSetLineWidthset_line_width — 定义区域轮廓输出的线宽。

签名

描述

set_line_widthset_line_widthSetLineWidthSetLineWidthSetLineWidthset_line_width defines the line width (in pixel) in which a region contour is displayed (e.g., with disp_regiondisp_regionDispRegionDispRegionDispRegiondisp_region, disp_linedisp_lineDispLineDispLineDispLinedisp_line, disp_polygondisp_polygonDispPolygonDispPolygonDispPolygondisp_polygon, etc.) The operator get_line_widthget_line_widthGetLineWidthGetLineWidthGetLineWidthget_line_width returns the current value for the window. Some output devices may not allow to change the contour width. If it is possible for the current device, it can be queried with query_line_widthquery_line_widthQueryLineWidthQueryLineWidthQueryLineWidthquery_line_width。

注意

The line width is important if the output mode was set to 'margin' (see set_drawset_drawSetDrawSetDrawSetDrawset_draw). If the line width is greater than one, regions may not always be displayed correctly.

执行信息

• 多线程类型：可重入（与非独占算子并行运行）。
• 多线程作用域：全局（可从任何线程调用）。
• 未采用并行化处理。

参数

结果

set_line_widthset_line_widthSetLineWidthSetLineWidthSetLineWidthset_line_width returns 2 ( H_MSG_TRUE) if the parameter is correct and the window is valid.否则将抛出异常。

可能的前趋

query_line_widthquery_line_widthQueryLineWidthQueryLineWidthQueryLineWidthquery_line_width, get_line_widthget_line_widthGetLineWidthGetLineWidthGetLineWidthget_line_width

可能的后继

disp_regiondisp_regionDispRegionDispRegionDispRegiondisp_region

另见

get_line_widthget_line_widthGetLineWidthGetLineWidthGetLineWidthget_line_width, query_line_widthquery_line_widthQueryLineWidthQueryLineWidthQueryLineWidthquery_line_width, set_drawset_drawSetDrawSetDrawSetDrawset_draw, disp_regiondisp_regionDispRegionDispRegionDispRegiondisp_region

模块

基础