C在控制台上实现鼠标画图功能

来源：互联网发布：窗帘馒头制作数据视频编辑：程序博客网时间：2024/05/02 04:25
#include <windows.h>#include <stdio.h>#include <string.h>HANDLE hOut;HANDLE hIn;void ClearScreen(void);void DispMousePos(COORD pos); // 在第24行显示鼠标位置int main(){    hOut = GetStdHandle(STD_OUTPUT_HANDLE); // 获取标准输出设备句柄    hIn = GetStdHandle(STD_INPUT_HANDLE); // 获取标准输入设备句柄    WORD att = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY | BACKGROUND_BLUE ;    // 背景是蓝色，文本颜色是黄色    SetConsoleTextAttribute(hOut, att);    ClearScreen(); // 清屏    INPUT_RECORD mouseRec;    DWORD state = 0, res;    COORD pos = {0, 0};    //不断对鼠标这个事件进行检测    while(1)    {        ReadConsoleInput(hIn, &mouseRec, 1, &res);        if (mouseRec.EventType == MOUSE_EVENT)        {            if (mouseRec.Event.MouseEvent.dwEventFlags == DOUBLE_CLICK)               // break; // 双击鼠标退出循环             ClearScreen();            pos = mouseRec.Event.MouseEvent.dwMousePosition;            //左按键            if (mouseRec.Event.MouseEvent.dwButtonState == FROM_LEFT_1ST_BUTTON_PRESSED)                FillConsoleOutputCharacter(hOut, 'A', 1, pos, NULL);        }    }    pos.X = pos.Y = 0;    SetConsoleCursorPosition(hOut, pos); // 设置光标位置    CloseHandle(hOut); // 关闭标准输出设备句柄    CloseHandle(hIn); // 关闭标准输入设备句柄}void DispMousePos(COORD pos) // 在第24行显示鼠标位置{    CONSOLE_SCREEN_BUFFER_INFO bInfo;    GetConsoleScreenBufferInfo( hOut, &bInfo );    COORD home = {0, 24};    WORD att0 = BACKGROUND_INTENSITY ;    FillConsoleOutputAttribute(hOut, att0, bInfo.dwSize.X, home, NULL);    FillConsoleOutputCharacter(hOut, ' ', bInfo.dwSize.X, home, NULL);    char s[20];    sprintf(s,"X = %2lu, Y = %2lu",pos.X, pos.Y);    SetConsoleTextAttribute(hOut, att0);    SetConsoleCursorPosition(hOut, home);    WriteConsole(hOut, s, strlen(s), NULL, NULL);    SetConsoleTextAttribute(hOut, bInfo.wAttributes); // 恢复原来的属性    SetConsoleCursorPosition(hOut, bInfo.dwCursorPosition); // 恢复原来的光标位置}void ClearScreen(void){    CONSOLE_SCREEN_BUFFER_INFO bInfo;    GetConsoleScreenBufferInfo( hOut, &bInfo );    COORD home = {0, 0};    unsigned long size = bInfo.dwSize.X * bInfo.dwSize.Y;    FillConsoleOutputAttribute(hOut, bInfo.wAttributes, size, home, NULL);    FillConsoleOutputCharacter(hOut, ' ', size, home, NULL);}
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