dev_displaydev_displayDevDisplayDevDisplaydev_display (算子)

名称

dev_displaydev_displayDevDisplayDevDisplaydev_display — 在当前图形窗口中显示图像对象。

签名

dev_display(Object : : : )

描述

dev_displaydev_displayDevDisplayDevDisplayDevDisplaydev_display displays an iconic object (image, region, or XLD) in the active graphics window. This is equivalent to a double click on an icon variable inside the variable window.

注意

Using the code export feature of HDevelop, the code that is generated for this operator may have a different behavior than the related HALCON operator. For a detailed description of the code export of HDevelop graphics operators into the different programming languages see in the “HDevelop User's Guide” the chapter Code Export -> General Aspects of Code Generation -> Graphics Windows.

参数

ObjectObjectObjectObjectobjectValobject (输入对象) object(-array) → object

Image objects to be displayed.

示例（HDevelop）

read_image (Image, 'fabrik')
regiongrowing (Image, Regions, 3, 3, 6, 100)
dev_clear_window ()
dev_display (Image)
dev_set_colored (12)
dev_set_draw ('margin')
dev_display (Regions)

结果

If the values of the specified parameters are correct, dev_displaydev_displayDevDisplayDevDisplayDevDisplaydev_display 返回 2 ( H_MSG_TRUE )。否则，将抛出一个异常并返回错误代码。

替代

disp_objdisp_objDispObjDispObjDispObjdisp_obj, disp_imagedisp_imageDispImageDispImageDispImagedisp_image, disp_regiondisp_regionDispRegionDispRegionDispRegiondisp_region, disp_xlddisp_xldDispXldDispXldDispXlddisp_xld

另见

dev_set_colordev_set_colorDevSetColorDevSetColorDevSetColordev_set_color, dev_set_coloreddev_set_coloredDevSetColoredDevSetColoredDevSetColoreddev_set_colored, dev_set_drawdev_set_drawDevSetDrawDevSetDrawDevSetDrawdev_set_draw, dev_set_line_widthdev_set_line_widthDevSetLineWidthDevSetLineWidthDevSetLineWidthdev_set_line_width

模块

基础

算子