C#µ÷Óà C DLLÎÊÌ⣬¶®µÄÀ´ÇÀ·ÖÁË
//C ½Ó¿Ú
extern "C"
{
TESSDLL_API int __cdecl GetTessText(const char *imagefile, char *text);
}
//ÎÒÔÚC#ÖÐÉùÃ÷
//µ÷ÓÃC DLL Öеĺ¯Êý
[DllImport("OCRapi.dll", EntryPoint = "GetTessText", CharSet = CharSet.Ansi,
CallingConvention = CallingConvention.Cdecl)]
public static extern int GetTessText(char[] imagefile, char[] text);
µ÷ÓôúÂ룺
char[] imagefile = "D:\\My Documents\\\baidu\\1.bmp".ToCharArray();
char[] textResult = new char[256];
int i = OCRAPI.GetTessText(imagefile, textResult);
³öÏÖµÄÎÊÌ⣺
textResult µÃ²»µ½·µ»ØÖµ
JF
1LÕý½â
?
OCRapi.dll,¹¦ÄÜÊÇʲô? ²ÎÊýÊÇÊäÈ룬»¹ÊÇ·µ»Ø£¬Â¥Ö÷û˵Ç壮
Èç¹ûÊäÈëÊÇͼÐÎÎļþ£¬Êä³öÊÇÎı¾£¬ÎÄ×Öʶ±ðÈí¼þ£¬·µ»ØµÄ²ÎÊýǰ¼Ó ref string¡¡ÊäÈëÓ¦¸ÃÊÇ byte[]
ʵ¼ÊÈçºÎ£¬ÕâЩÔÚº¯ÊýÔÐ͵ÄÎĵµÖÐÓ¦¸ÃÓÐ˵Ã÷µÄ£®
Ó¦¸ÃÊÇÀàÐͶÔÓ¦²»¶Ô
幫頂£¡
C# code:
[DllImport("OCRapi.dll", EntryPoint = "GetTessText", CharSet = CharSet.Ansi,
CallingConvention = CallingConvention.Cdecl)]
public static extern int GetTessText(string imagefile, string text);
{{-
Ïà¹ØÎÊ´ð£º
µØµãÔÚÉîÛÚÄÏɽ
¡¡¡¡×öCÈí¼þ¡£ÊÔÓÃ2K£¬²»ÖªµÀתÕý¸ø¹«Ë¾Ì¸¶àÉÙºÏÊʰ¡£¿
¡¡¡¡ÁíÍ⣬±¾ÈËС±¾£¬Ó¢ÓïÁù¼¶£¬ÊÔÓÃÈý¸öÔ±íÏÖµÃÒ²ËãÖÐÉÏˮƽ¡£µ«ÊÇÏÖÔÚ»¹²»ÄÜ×öÏîÄ¿¡£ÁíÍâ±ÏҵѧУûÓÐÃûÆø¡£
¡¡¡¡×ªÕý¸ø¹«Ë¾Ì¸¶àÉ ......
ΪʲôCдµÄDLLÎļþC¡¢PBÄܵ÷ÓÃVB²»Äܵ÷Óã¿
VBÀïΪʲôÓеÄDLLÖ±½Óͨ¹ýÒýÓÿÉÒÔʹÓã¿ÓеÄÐèҪͨ¹ýdeclareÉêÃ÷Íⲿº¯Êý£¿ÕâЩDLLÓÐʲô²î±ð£¿
1¡¢ÎªÊ²Ã´PBÄÜͨ¹ýDECLAREÉùÃ÷¶øVB²»ÐУ¿
2¡¢Èç¹ûÕâ¸ödllÖÐµÄ ......
#include <stdio.h>
#include <graphics.h>
void main()
{
int x0,y0,x1,y1,driver,mode,i;
driver=VGA;
mode=VGAHI;
initgraph(&driver,&mode,&qu ......
C\C++ÈçºÎ¼ÆË㺯ÊýµÄµ¼Êý,±¾ÈËÐÂÊÖ£¬Ïëд¸ö³ÌÐò£¬µ«ÊDz»ÖªµÀÈçºÎÏÂÊÖ£¬»¹Íû¸ßÊÖÖ¸µãÒ»¶þ£¬Ð»¹ý¡£
Õâ¸ö¡¡
¸úº¯ÊýµÄ¾ßÌåÐÎʽÓйذɣ¬ÄѵÀÄãÏë±à³ö¸ö¡°ÍòÄÜ¡±µÄÇ󵼺¯Êý£¿
°³ÉÏѧʱÏë¹ý×Ô¶¯ÍƵ¼¹«Ê½£¬ºóÀ´ ......