create_drawing_object_lineT_create_drawing_object_lineCreateDrawingObjectLineCreateDrawingObjectLinecreate_drawing_object_line (算子)
名称
create_drawing_object_lineT_create_drawing_object_lineCreateDrawingObjectLineCreateDrawingObjectLinecreate_drawing_object_line — 创建一条可以交互式修改的线。
签名
描述
create_drawing_object_linecreate_drawing_object_lineCreateDrawingObjectLineCreateDrawingObjectLineCreateDrawingObjectLinecreate_drawing_object_line creates a line which can be modified interactively
in a HALCON window by the user. The line is defined by the coordinates
of the first line point, Row1Row1Row1Row1row1row_1 and Column1Column1Column1Column1column1column_1, and the
second line point, Row2Row2Row2Row2row2row_2 and Column2Column2Column2Column2column2column_2。
These parameters can be queried any time with get_drawing_object_paramsget_drawing_object_paramsGetDrawingObjectParamsGetDrawingObjectParamsGetDrawingObjectParamsget_drawing_object_params,
as well as its corresponding HALCON object with get_drawing_object_iconicget_drawing_object_iconicGetDrawingObjectIconicGetDrawingObjectIconicGetDrawingObjectIconicget_drawing_object_iconic。
In addition to those parameters, every drawing object has a number of
parameters which determine the appearance of the object in the HALCON window.
See set_drawing_object_paramsset_drawing_object_paramsSetDrawingObjectParamsSetDrawingObjectParamsSetDrawingObjectParamsset_drawing_object_params for details on the number and meaning
of those parameters.
In order to enable the interactive modification with the drawing object, the
object must be attached to an existing window. See
attach_drawing_object_to_windowattach_drawing_object_to_windowAttachDrawingObjectToWindowAttachDrawingObjectToWindowAttachDrawingObjectToWindowattach_drawing_object_to_window for further details.
Once attached, the line is editable by the user through interaction
with the window.
There are two possible transformations for a line object: resizing and
displacement.
A line point can be moved by dragging on the point handle. The whole
line can be moved by dragging the center of the line.
In contrast to the operator draw_linedraw_lineDrawLineDrawLineDrawLinedraw_line, this interaction does not
block the calling thread.
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。
此算子返回一个句柄。请注意，即使该句柄被用作特定算子的输入参数，这些算子仍可能改变此句柄类型的实例状态。
参数
Row1Row1Row1Row1row1row_1 (输入控制) line.begin.y → HTuplefloatHTupleHtuple (real) (double) (double) (double)
Row coordinate of the first line point.
默认值：
100
Column1Column1Column1Column1column1column_1 (输入控制) line.begin.x → HTuplefloatHTupleHtuple (real) (double) (double) (double)
Column coordinate of the first line point.
默认值：
100
Row2Row2Row2Row2row2row_2 (输入控制) line.end.y → HTuplefloatHTupleHtuple (real) (double) (double) (double)
Row coordinate of the second line point.
默认值：
200
Column2Column2Column2Column2column2column_2 (输入控制) line.end.x → HTuplefloatHTupleHtuple (real) (double) (double) (double)
Column coordinate of the second line point.
默认值：
200
DrawIDDrawIDDrawIDDrawIDdrawIDdraw_id (输出控制) drawing_object → HDrawingObject, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
绘图对象的句柄。
结果
If the parameter values are correct the operator
create_drawing_object_circle_sectorcreate_drawing_object_circle_sectorCreateDrawingObjectCircleSectorCreateDrawingObjectCircleSectorCreateDrawingObjectCircleSectorcreate_drawing_object_circle_sector 返回值 2 ( H_MSG_TRUE )。否则将抛出异常。
可能的前趋
open_windowopen_windowOpenWindowOpenWindowOpenWindowopen_window
可能的后继
attach_drawing_object_to_windowattach_drawing_object_to_windowAttachDrawingObjectToWindowAttachDrawingObjectToWindowAttachDrawingObjectToWindowattach_drawing_object_to_window,
get_drawing_object_paramsget_drawing_object_paramsGetDrawingObjectParamsGetDrawingObjectParamsGetDrawingObjectParamsget_drawing_object_params,
get_drawing_object_iconicget_drawing_object_iconicGetDrawingObjectIconicGetDrawingObjectIconicGetDrawingObjectIconicget_drawing_object_iconic
替代
draw_linedraw_lineDrawLineDrawLineDrawLinedraw_line,
draw_line_moddraw_line_modDrawLineModDrawLineModDrawLineModdraw_line_mod,
create_drawing_object_xldcreate_drawing_object_xldCreateDrawingObjectXldCreateDrawingObjectXldCreateDrawingObjectXldcreate_drawing_object_xld
另见
create_drawing_object_rectangle1create_drawing_object_rectangle1CreateDrawingObjectRectangle1CreateDrawingObjectRectangle1CreateDrawingObjectRectangle1create_drawing_object_rectangle1,
create_drawing_object_rectangle2create_drawing_object_rectangle2CreateDrawingObjectRectangle2CreateDrawingObjectRectangle2CreateDrawingObjectRectangle2create_drawing_object_rectangle2,
create_drawing_object_ellipsecreate_drawing_object_ellipseCreateDrawingObjectEllipseCreateDrawingObjectEllipseCreateDrawingObjectEllipsecreate_drawing_object_ellipse,
create_drawing_object_circle_sectorcreate_drawing_object_circle_sectorCreateDrawingObjectCircleSectorCreateDrawingObjectCircleSectorCreateDrawingObjectCircleSectorcreate_drawing_object_circle_sector,
create_drawing_object_ellipse_sectorcreate_drawing_object_ellipse_sectorCreateDrawingObjectEllipseSectorCreateDrawingObjectEllipseSectorCreateDrawingObjectEllipseSectorcreate_drawing_object_ellipse_sector,
create_drawing_object_xldcreate_drawing_object_xldCreateDrawingObjectXldCreateDrawingObjectXldCreateDrawingObjectXldcreate_drawing_object_xld
模块
基础