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2026-06-18

识别图片排除指定区域 - ExcludePos ​

函数简介 ​

排除掉指定区域的识别结果，用于颜色识别结果及图像识别结果的过滤。

接口名称 ​

ExcludePos

DLL调用 ​

c
long ExcludePos(long ola, char* json, int type, int x1, int y1, int x2, int y2);

参数说明 ​

参数名类型说明
ola长整数型OLAPlug对象的指针，由 CreateCOLAPlugInterFace 接口生成。
json字符串识别返回的结果。
type整数型识别类型：1 颜色识别，2 图像识别。
x1整数型排除区域左上角的X坐标。
y1整数型排除区域左上角的Y坐标。
x2整数型排除区域右下角的X坐标。
y2整数型排除区域右下角的Y坐标。

示例 ​

SDK 调用 ​

cpp
#include "OLAPlugServer.h"

OLAPlugServer ola;
std::string filtered = ola.ExcludePos("[{\"x\":100,\"y\":200,\"id\":1},{\"x\":150,\"y\":220,\"id\":2},{\"x\":300,\"y\":100,\"id\":3}]", 2, 90, 190, 160, 230);
csharp
using OLAPlug;

var ola = new OLAPlugServer();
string filtered = ola.ExcludePos(@"[{"x":100,"y":200,"id":1},{"x":150,"y":220,"id":2},{"x":300,"y":100,"id":3}]", 2, 90, 190, 160, 230);
python
from OLAPlugServer import OLAPlugServer

ola = OLAPlugServer()
filtered = ola.ExcludePos(r'[{"x":100,"y":200,"id":1},{"x":150,"y":220,"id":2},{"x":300,"y":100,"id":3}]', 2, 90, 190, 160, 230)
java
import com.olaplug.OLAPlugServer;

OLAPlugServer ola = new OLAPlugServer();
String filtered = ola.ExcludePos("[{\"x\":100,\"y\":200,\"id\":1},{\"x\":150,\"y\":220,\"id\":2},{\"x\":300,\"y\":100,\"id\":3}]", 2, 90, 190, 160, 230);
cpp
var ola = com("OlaPlug.OlaSoft")
var filtered = ola.ExcludePos("[{\"x\":100,\"y\":200,\"id\":1},{\"x\":150,\"y\":220,\"id\":2},{\"x\":300,\"y\":100,\"id\":3}]", 2, 90, 190, 160, 230)
vbscript
Set ola = CreateObject("OlaPlug.OlaSoft")
filtered = ola.ExcludePos("[{\"x\":100,\"y\":200,\"id\":1},{\"x\":150,\"y\":220,\"id\":2},{\"x\":300,\"y\":100,\"id\":3}]", 2, 90, 190, 160, 230)
text
.局部变量 ola, OLAPlug
ola.创建 ()
filtered ＝ ola.ExcludePos (“[{\“x\“:100,\“y\“:200,\“id\“:1},{\“x\“:150,\“y\“:220,\“id\“:2},{\“x\“:300,\“y\“:100,\“id\“:3}]“, 2, 90, 190, 160, 230)
aardio
import OLAPlugServer;
var ola = OLAPlugServer();
var filtered = ola.ExcludePos("[{\"x\":100,\"y\":200,\"id\":1},{\"x\":150,\"y\":220,\"id\":2},{\"x\":300,\"y\":100,\"id\":3}]", 2, 90, 190, 160, 230);
text
变量 ola <类型 = OLAPlugServer>
ola = 新建 OLAPlugServer
文本型 filtered = ola.ExcludePos("[{\"x\":100,\"y\":200,\"id\":1},{\"x\":150,\"y\":220,\"id\":2},{\"x\":300,\"y\":100,\"id\":3}]", 2, 90, 190, 160, 230)
cpp
#include "OLAPlugServer.h"

OLAPlugServer ola;
std::string filtered = ola.ExcludePos("[{\"x\":100,\"y\":200,\"id\":1},{\"x\":150,\"y\":220,\"id\":2},{\"x\":300,\"y\":100,\"id\":3}]", 2, 90, 190, 160, 230);

原生 DLL 调用 ​

cpp
long instance = CreateCOLAPlugInterFace();
std::string filtered = ExcludePos("[{\"x\":100,\"y\":200,\"id\":1},{\"x\":150,\"y\":220,\"id\":2},{\"x\":300,\"y\":100,\"id\":3}]", 2, 90, 190, 160, 230);
csharp
using System.Runtime.InteropServices;

[DllImport("OLAPlug_x64.dll", CallingConvention = CallingConvention.StdCall)]
static extern long CreateCOLAPlugInterFace();

long instance = CreateCOLAPlugInterFace();
string filtered = ExcludePos(@"[{"x":100,"y":200,"id":1},{"x":150,"y":220,"id":2},{"x":300,"y":100,"id":3}]", 2, 90, 190, 160, 230);
python
from ctypes import CDLL, c_int, c_int64

ola = CDLL("OLAPlug_x64.dll")
ola.CreateCOLAPlugInterFace.restype = c_int64
instance = ola.CreateCOLAPlugInterFace()
filtered = ola.ExcludePos(r'[{"x":100,"y":200,"id":1},{"x":150,"y":220,"id":2},{"x":300,"y":100,"id":3}]', 2, 90, 190, 160, 230)

返回值 ​

返回值说明
（返回值）返回排除掉指定区域后的结果JSON字符串指针。 返回的字符串指针需要调用 FreeStringPtr 释放内存。