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C++控制臺繪圖頭文件實例代碼

 更新時間:2023年01月24日 10:16:05   作者:xybf  
控制臺(console)是電腦的最基本交互接口,通常包括鍵盤(keyboard)和屏幕(screen),下面這篇文章主要給大家介紹了關(guān)于C++控制臺繪圖頭文件的相關(guān)資料,文中通過示例代碼介紹的非常詳細,需要的朋友可以參考下

簡介

這個頭文件是用來在C++控制臺繪圖的,借鑒了 pygame 的一些思想,提供了一些函數(shù)用來繪圖,可以有效的避免多次繪制重復(fù)圖像時屏閃等問題。

函數(shù)介紹

1、init(int x, int fz)

初始化屏幕, 將屏幕大小設(shè)定為 x , 字體大小為 fz 。

2、fill(concol color)

用來將整個屏幕填充為一定的顏色。

3、update()

注意!繪畫完后的圖像并不會立刻出現(xiàn)在控制臺上,使用這個函數(shù)來更新。

4、getmousepos(pos & p)

獲取鼠標(biāo)坐標(biāo)并存到 p 中

5、gt(int x, int y)

將控制臺光標(biāo)移到(x,y)的位置,x,y 從1開始

6、HideCursor()

隱藏控制臺光標(biāo)

7、settextcolor(concol color)

設(shè)置文字顏色

8、setbackcolor(concol color)

設(shè)置背景顏色

9、rect(int sx, int sy, int ex, int ey, concol color)

以(sx, sy)為左上端點、(ex, ey)為右下端點,繪制顏色為color的矩形。

10、line(int sx, int sy, int ex, int ey, concol color)

繪制一條從(sx, sy)到(ex, ey)的線。

11、dot(int x, int y, concol color)

在(x,y)的位置畫一個點

先介紹到這里

里面更多的功能、函數(shù)會在以后的文章后詳細解釋。

示例代碼

我這里將頭文件命名為 Drawer.h ,如果用了別的名字保存頭文件,這里也要改過來。

功能是從(1,1)到鼠標(biāo)的位置畫線。

#include "Drawer.h"
using namespace std;
 
Pos mp; // Mouse_Pos
 
void game()
{
	while(1)
	{
		getmousepos(mp); // Get Mouse Pos
		fill(black); // Let Screen be black
		line(1, 1, mp.x, mp.y, green); // from (1, 1) to (mp.x, mp.y) draw Line
		//                        ^
		//                        |
		// You can change this to red, blue, white or more
		update(); // Update Screen
	}
}
 
int main(){
    system("mode con cols=102 lines=52");
    init(50, 16);// 50x50 Screen and font size is 16
	game();
}

示例圖片

截屏截不到鼠標(biāo)。。。

頭文件代碼

#include <windows.h>
#include <algorithm>
#include <cstdio>
#include <cmath>
#include <ctime>
#ifndef KEY_DOWN
#define KEY_DOWN(VK_NONAME) ((GetAsyncKeyState(VK_NONAME) & 0x8000) ? 1:0)
#endif
#define clean 0x2
#define box 0x4
#define full 0x1
using namespace std;
 
enum concol {
	black = 0,
	dark_blue = 1,
	dark_green = 2,
	dark_aqua = 3, dark_cyan = 3,
	dark_red = 4,
	dark_purple = 5, dark_pink = 5, dark_magenta = 5,
	dark_yellow = 6,
	dark_white = 7,
	gray = 8,
	blue = 9,
	green = 10,
	cyan = 11,
	red = 12,
	purple = 13, pink = 13,
	yellow = 14,
	white = 15
};
 
struct pixel {
	concol color;
};
 
struct Pos {
	int x, y;
};
 
struct Pos3d
{
	int x, y, z ;
};
 
CONSOLE_CURSOR_INFO CursorInfo;
COORD _GoToPos;
HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
HWND hwnd = GetForegroundWindow();
int backcol, textcol;
pixel _LastScreen[1000][1000];
pixel _NewScreen[1000][1000];
int _ScreenSideLength;
int Py3dx = 0, Py3dy = 0 ;
int xzlen = 2, yzlen = 1 ;
int fontsize = 16;
 
inline void getmousepos(Pos &p) {
	POINT pt;
	GetCursorPos(&pt);
	ScreenToClient(hwnd, &pt);
	p.y = (pt.y / fontsize + 0.5);
	p.x = (pt.x / fontsize + 0.5);
}
 
inline void gt(short x, short y) {
	--x;
	--y;
	_GoToPos = {x * xzlen, y * yzlen};
	SetConsoleCursorPosition(hOut, _GoToPos);
}
 
inline void HideCursor()
{
	GetConsoleCursorInfo(hOut, &CursorInfo);
	CursorInfo.bVisible = false;
	SetConsoleCursorInfo(hOut, &CursorInfo);	
}
 
inline void settextcolor(concol textcolor) {
	textcol = textcolor;
	unsigned short wAttributes = ((unsigned int)backcol << 4) | (unsigned int)textcol;
	SetConsoleTextAttribute(hOut, wAttributes);
}
 
inline void setbackcolor(concol backcolor) {
	hOut = GetStdHandle(STD_OUTPUT_HANDLE);
	backcol = backcolor;
	unsigned short wAttributes = ((unsigned int)backcol << 4) | (unsigned int)textcol;
	SetConsoleTextAttribute(hOut, wAttributes);
}
 
struct Button {
	Pos mp;
	const char* name;
	int len, qx, px, py;
	void rename(const char* ne) {
		name = ne;
		len = strlen(ne);
	}
	
	void setpos(int x, int y) {
		py = y;
		qx = (x - len / 2);
		px = (x + len / 2);
		gt(qx, y);
		printf(name);
	}
	bool check() {
		
		getmousepos(mp);
		if (mp.x <= px and mp.x >= qx and mp.y <= py and mp.y >= py - 2) {
			gt(qx - 2, py);
			printf(">>");
			gt(px, py);
			printf("<<");
			if (KEY_DOWN(MOUSE_MOVED)) return true;
		} else {
			gt(qx - 2, py);
			printf("  ");
			gt(px, py);
			printf("  ");
		}
		return false;
	}
};
 
 
inline void init(int x, int fz) {
	fontsize = fz;
	GetConsoleCursorInfo(hOut, &CursorInfo);
	CursorInfo.bVisible = false;
	SetConsoleCursorInfo(hOut, &CursorInfo);
	_ScreenSideLength = x;
}
 
inline void update() {
	for (int i = 1; i <= _ScreenSideLength ; ++i) {
		for (int j = 1; j <= _ScreenSideLength ; ++j) {
			if (_LastScreen[j][i].color != _NewScreen[j][i].color) {
				gt(j, i);
				setbackcolor(_NewScreen[j][i].color);
				for(int i=1;i<=yzlen;++i)
				{
					for(int j=1;j<=xzlen;++j)
						putchar(' ');
					puts("\n");
				}		
				_LastScreen[j][i] = _NewScreen[j][i];
			}
		}
	}
}
 
void fill(concol color) {
	for (int i = 1; i <= _ScreenSideLength; ++i) {
		for (int j = 1; j <= _ScreenSideLength; ++j) {
			if (_NewScreen[j][i].color != color) {
				_NewScreen[j][i].color = color;
			}
 
		}
	}
}
 
void rect(int sx, int sy, int ex, int ey, concol color) {
	if (ey < sy) swap(ey, sy);
	if (ex < sx) swap(ex, sx);
	for (int i = sy; i <= ey; ++i) {
		for (int j = sx; j <= ex; ++j) {
			_NewScreen[j][i].color = color;
		}
	}
}
 
void ChangePy(int x, int y)
{
	Py3dx = x;
	Py3dy = y;
}
 
inline void dot(int x, int y, concol color) {
	_NewScreen[x][y].color = color;
}
 
inline void line(int sx, int sy, int ex, int ey, concol color)
{
	int xlen = ex - sx ;
	int ylen = ey - sy ;
	int len = sqrt(pow(xlen, 2) + pow(ylen, 2)) ;
	for(double i=0; i<=len; i += 1)
	{
		int x = xlen * i / len ;
		int y = ylen * i / len ;
		_NewScreen[x + sx][y + sy].color = color ;
	}
}
 
inline Pos pos3t2(Pos3d pos)
{
	if(pos.z == 0)
	{
		return Pos {pos.x, pos.y} ;
	}
	return Pos{pos.x / (log10(pos.z)) + Py3dx, pos.y / (log10(pos.z)) + Py3dy} ;
}
 
inline void line3d(Pos3d a, Pos3d b, concol color)
{
	Pos a2 = pos3t2(a);
	Pos b2 = pos3t2(b);
//	line(a2.x, b2.y, a2.y, b2.x, color);
	line(a2.x, a2.y, b2.x, b2.y, color);
}
 
inline int dis3d(Pos3d a, Pos3d b)
{
	int x = abs(a.x - b.x);
	int y = abs(a.y - b.y);
	int z = abs(a.z - b.z);
	return sqrt(pow(x, 2) + pow(y, 2) + pow(z, 2)) ;
}
 
/*
Q------W
 \    /
  A--S
*/
inline void rect3d(Pos3d q, Pos3d w, Pos3d a, Pos3d s, concol color)
{
	int qlen = dis3d(q, a);
	int plen = dis3d(w, s);
	int len = max(qlen, plen);
	for(double i=1;i<=len; i+=0.1)
	{
		Pos3d qpos = Pos3d {abs(q.x-a.x)*i/len + q.x, abs(q.y-a.y)*i/len + q.y, abs(q.z-a.z)*i/len + q.z} ;
		Pos3d ppos = Pos3d {abs(w.x-s.x)*i/len + w.x, abs(w.y-s.y)*i/len + w.y, abs(w.z-s.z)*i/len + w.z} ;
		line3d(qpos, ppos, color);
	}
}
 
struct cube
{
	
	Pos3d pos ;
	int xlen, ylen, zlen ;
	
	void init(int xp, int yp, int zp, int xl, int yl, int zl)
	{
		pos = Pos3d {xp - Py3dx, yp - Py3dy, zp};
		xlen = xl;
		ylen = yl;
		zlen = zl;
	}
	
	inline Pos3d getdotpos(int doti)
	{
		switch(doti)
		{
			case 8: return Pos3d {pos.x + xlen, pos.y + ylen, pos.z + zlen} ;
			case 7: return Pos3d {pos.x, pos.y + ylen, pos.z + zlen} ;
			case 6: return Pos3d {pos.x + xlen, pos.y, pos.z + zlen} ;
			case 4: return Pos3d {pos.x + xlen, pos.y + ylen, pos.z} ;
			case 5: return Pos3d {pos.x, pos.y, pos.z + zlen} ;
			case 3: return Pos3d {pos.x, pos.y + ylen, pos.z} ;
			case 2: return Pos3d {pos.x + xlen, pos.y, pos.z} ;
			case 1: return Pos3d {pos.x, pos.y, pos.z} ;
		}
		return {0, 0, 0}; //Else
	}
	/*
	    5----------6
	   /|         /|
	  / |        / |
	 /  |       /  |
	1----------2   |
	|   7------|---8
ylen|  /       |  /
	| /        | /zlen
	|/  xlen   |/
	3----------4
	^
	|
	O
	*/	
	inline void draw(concol color, int mode)
	{
		if(mode & full)
		{
		rect3d(getdotpos(5), getdotpos(7), getdotpos(6), getdotpos(8), green);
		rect3d(getdotpos(1), getdotpos(3), getdotpos(5), getdotpos(7), red);
		rect3d(getdotpos(5), getdotpos(1), getdotpos(6), getdotpos(2), blue);
		rect3d(getdotpos(7), getdotpos(3), getdotpos(8), getdotpos(4), pink);
		rect3d(getdotpos(2), getdotpos(4), getdotpos(6), getdotpos(8), yellow);
		rect3d(getdotpos(1), getdotpos(3), getdotpos(2), getdotpos(4), white);			
		}
		if(mode & clean)
		{
		line3d(getdotpos(1), getdotpos(2), color) ;
		line3d(getdotpos(1), getdotpos(3), color) ;
		line3d(getdotpos(1), getdotpos(5), color) ;
		line3d(getdotpos(2), getdotpos(6), color) ;
		line3d(getdotpos(2), getdotpos(4), color) ;
		line3d(getdotpos(3), getdotpos(4), color) ;
		line3d(getdotpos(3), getdotpos(7), color) ;
		line3d(getdotpos(4), getdotpos(8), color) ;
		line3d(getdotpos(5), getdotpos(6), color) ;
		line3d(getdotpos(5), getdotpos(7), color) ;
		line3d(getdotpos(6), getdotpos(8), color) ;
		line3d(getdotpos(7), getdotpos(8), color) ;
		}
		if(mode & box)
		{
			line3d(getdotpos(1), getdotpos(4), color) ;
			line3d(getdotpos(1), getdotpos(7), color) ;
			line3d(getdotpos(2), getdotpos(3), color) ;
			line3d(getdotpos(2), getdotpos(8), color) ;
			line3d(getdotpos(3), getdotpos(5), color) ;
			line3d(getdotpos(3), getdotpos(8), color) ;
			line3d(getdotpos(4), getdotpos(7), color) ;
			line3d(getdotpos(4), getdotpos(6), color) ;
			line3d(getdotpos(5), getdotpos(2), color) ;
			line3d(getdotpos(5), getdotpos(8), color) ;
			line3d(getdotpos(6), getdotpos(1), color) ;
			line3d(getdotpos(6), getdotpos(7), color) ;				
		}
	}
};

總結(jié)

到此這篇關(guān)于C++控制臺繪圖頭文件的文章就介紹到這了,更多相關(guān)C++控制臺繪圖頭文件內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!

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