第二章.学习halcon的准备工作

*图片读取
read_image (Test1, 'C:/Users/Administrator/Desktop/new/Test1.jpg')

*文件夹读取
list_files ('C:/Users/Administrator/Desktop/new', 'files', Files)
for Index := 0 to 1 by 1
    read_image (Image, Files[Index])
endfor

*图片动态选择
dev_open_file_dialog ('read_image', 'default', 'default', Selection)
read_image (Image, Selection)

*视频读取
open_framegrabber ('DirectFile', 1, 1, 0, 0, 0, 0, 'default', 8, 'rgb', -1, 'false', 'C:/Users/Administrator/Desktop/new/new.avi', 'default', -1, -1, AcqHandle)
get_framegrabber_param (AcqHandle, 'first_frame', Value0)
get_framegrabber_param (AcqHandle, 'last_frame', Value1)
grab_image_start (AcqHandle, -1)
for i := Value0 to Value1-1 by 1
    grab_image (Image, AcqHandle)
    get_image_size (Image, Width, Height)
    dev_display (Image)
    stop ()
endfor