style: 去除 demo 中多余的行尾空格

demo/ege5star.cpp

@@ -18,7 +18,6 @@ const double fullCircleRatation = PI * 2; ///< 完整圆周角度（单位：弧
 const double starAngle = PI * 4 / 5; ///< 五角星角度
 
 /**
-  
   @brief 绘制五角星
   @param x 中心点 x 坐标
   @param y 中心点 y 坐标
@@ -45,7 +44,7 @@ int main()
 		r += rotatingSpeed;
 		if (r > fullCircleRatation)
 			r -= fullCircleRatation;
-		
+
 		cleardevice(); // 清空屏幕
 		setcolor(EGERGB(0xff, 0xff, 0xff)); // 设置绘制颜色
 		setfillcolor(EGERGB(0, 0, 0xff));

demo/ege_new_drawimage.cpp

@@ -20,25 +20,24 @@ int main()
 {
 	/// 初始化绘图窗口
 	initgraph(800, 600);
-	
+
 	// @note Step 1
 	// @note 绘制背景
 	setbkcolor(WHITE);
 	setfillcolor(BLUE);
-	for (int i = 0; i < 12; i++) { 
+	for (int i = 0; i < 12; i++) {
 		// @note 画无边框填充矩形
 		bar(0, i * 50, 800, i * 50 + 20);
 	}
-
-
+
 	// @note Step 2
 	// @note 创建一个PIMAGE对象
-	PIMAGE img = newimage(200, 200); 
+	PIMAGE img = newimage(200, 200);
 	// @note 将背景设为透明色
 	setbkcolor(EGERGBA(0, 0, 0, 0), img);
 	setcolor(RED, img);
 	setfillcolor(YELLOW, img);
-	
+
 	// @note 绘制一个多边形（示例使用三角形）
 	ege_point points[4];
 	points[0].x = 100;
@@ -51,36 +50,36 @@ int main()
 	points[3].x = 100;
 	points[3].y = 50;
 	// @note 绘制填充多边形到目标图像（为NULL则绘制到屏幕）并绘制边框
-	ege_fillpoly(3, points, img); 
+	ege_fillpoly(3, points, img);
 	ege_drawpoly(4, points, img);
 	// @note 将图像绘制到目标图像上（为NULL则绘制到屏幕），保留透明度信息
 	putimage_withalpha(NULL, img, 0, 0);
-	
+
 	// @note Step 3
 	// @note 将图像的指定部分绘制到屏幕，从(200,0)点开始绘制到屏幕，到(400,300)点结束
 	ege_drawimage(img, 200, 0, 400, 300, 0, 0, 200, 200);
-	
+
 	// @note Step 4
 	// @note 通过变换矩阵来绘制图像
 	ege_transform_matrix m;
 	ege_get_transform(&m);
-	ege_transform_translate(400, 450); 
+	ege_transform_translate(400, 450);
 	ege_transform_rotate(45.0);
 	ege_transform_translate(-getwidth(img) / 2, -getheight(img) / 2);
-	ege_drawimage(img, 0, 0); 
-	
+	ege_drawimage(img, 0, 0);
+
 	// @note Step 5
 	// @note 还原图像
 	ege_set_transform(&m);
 	/*
 	  @note 下面的语句可以清除矩阵：
 	  ege_transform_reset();
-	 */ 
+	 */
 	// @note 绘制到窗口
 	ege_drawimage(img, 600, 400);
-	
+
 	// @note 暂停程序，等待用户按下任意键继续
-	getch(); 
+	getch();
 	delimage(img);
 	closegraph();
 	return 0;

demo/egearrow.cpp

@@ -1,13 +1,12 @@
 /**
-  
+
   @file egearrow.cpp
   @brief 画箭头算法演示小程序
  */
 #include <graphics.h>
 #include <math.h>
 
 /**
-  
   @brief 绘制箭头
   @param sx 起始点 x 坐标
   @param sy 起始点 y 坐标

demo/egeball.cpp

@@ -58,7 +58,7 @@ class AniObj {
 			obj[i].color = HSVtoRGB( myrand( 360.0f ), 1.0f, 1.0f );
 		}
 	}
-	
+
 	/**
 	 * @brief Updates the positions and velocities of the ball objects based on physics laws.
 	 */
@@ -84,7 +84,7 @@ class AniObj {
 					)
 					Crash( obj[i], obj[j] );
 	}
-	
+
 	/**
 	 * @brief Draws the ball objects on the graphics window.
 	 */
@@ -95,53 +95,53 @@ class AniObj {
 				obj[i].r * 2, obj[i].r * 2 );
 		}
 	}
-	
+
 	/**
 	 * @brief Destructor for AniObj.
 	 * Cleans up any resources associated with the AniObj object.
 	 */
 	~AniObj() {
 	}
-	
+
 private:
 	/**
 	 * @brief Updates the velocities of two colliding ball objects using the physics of elastic collision.
 	 */
 	void Crash( Obj &a, Obj &b ) {
 		float ma = a.r * a.r, mb = b.r * b.r;
-		
+
 		float sx = a.x - b.x;
 		float sy = a.y - b.y;
 		float s1x = sx / sqrt( sx*sx + sy*sy );
 		float s1y = sy / sqrt( sx*sx + sy*sy );
 		float t1x = -s1y;
 		float t1y = s1x;
-		
+
 		float vas = a.vx * s1x + a.vy * s1y;
 		float vat = a.vx * t1x + a.vy * t1y;
 		float vbs = b.vx * s1x + b.vy * s1y;
 		float vbt = b.vx * t1x + b.vy * t1y;
-		
+
 		float vasf = ( 2 * mb * vbs + vas * ( ma - mb ) ) / ( ma + mb );
 		float vbsf = ( 2 * ma * vas - vbs * ( ma - mb ) ) / ( ma + mb );
-		
+
 		float nsx = vasf * s1x;
 		float nsy = vasf * s1y;
 		float ntx = vat * t1x;
 		float nty = vat * t1y;
-		
+
 		a.vx = nsx + ntx;
 		a.vy = nsy + nty;
-		
+
 		nsx = vbsf * s1x;
 		nsy = vbsf * s1y;
 		ntx = vbt * t1x;
 		nty = vbt * t1y;
-		
+
 		b.vx = nsx + ntx;
 		b.vy = nsy + nty;
 	}
-	
+
 private:
 	Obj obj[20];
 	int n;
@@ -155,19 +155,19 @@ int main() {
 	setinitmode( INIT_ANIMATION );
 	initgraph( 640, 480 );
 	randomize(); // Initialize random seed
-	
+
 	AniObj aniobj; // Create AniObj object
 	fps f;
 	ege_enable_aa( true );
-	
+
 	for (
-		
+
 		; is_run(); delay_fps( 120 ) ) {
 		aniobj.updateobj(); // Update object positions
 		cleardevice();
 		aniobj.drawobj(); // Draw objects
 	}
-	
+
 	closegraph();
 	return 0;
 }

demo/egeclock.cpp

@@ -35,13 +35,13 @@ void draw()
 	ege::settextjustify(ege::CENTER_TEXT, ege::CENTER_TEXT);
 	ege::setfont(24, 0, "Courier New");
 	ege::setbkmode(TRANSPARENT);
-	
+
 	ege::ege_enable_aa(true);
 	ege::setfillcolor(EGEARGB(0xff, 0x40, 0x40, 0x40));
 	ege::setcolor(EGEARGB(0xff, 0x80, 0x00, 0xf0));
 	ege::ege_fillellipse(center.x - r * 1.2f, center.y - r * 1.2f,
 		r * 1.2f * 2.0f, r * 1.2f * 2.0f);
-	
+
 	ege::setcolor(ege::WHITE);
 	for (int num = 1; num <= 12; ++num)
 	{

demo/egegetimage.cpp

@@ -1,6 +1,6 @@
 #include <graphics.h>
-#include <string.h> 
-#include <stdio.h> 
+#include <string.h>
+#include <stdio.h>
 
 #define MSG_LEN 200
 
@@ -19,7 +19,7 @@ int main()
 	int result;
 	initgraph( 640, 480 );
 	setbkcolor(WHITE);
-	
+
 	// @note 读取一个PNG文件（getimage.png），并使用putimage_withalpha函数在坐标（50, 50）处以带有alpha透明度的方式显示图像
 	img = newimage();
 	result = getimage(img, "getimage.png");
@@ -28,11 +28,11 @@ int main()
 		outtextxy(0, 440, msg);
 		getch();
 		exit(-1);
-	}    
+	}
 	putimage_withalpha(NULL, img, 50, 50);
 	putimage_withalpha(NULL, img, 50, 200, 150, 150, 0, 0, getwidth(img), getheight(img));
 	delimage(img);
-	
+
 	// @note 读取一个JPG文件（getimage.jpg），并使用putimage函数在坐标（200, 50）处显示图像。
 	img = newimage();
 	result = getimage(img, "getimage.jpg");
@@ -41,10 +41,10 @@ int main()
 		outtextxy(0, 440, msg);
 		getch();
 		exit(-1);
-	}    
+	}
 	putimage(200, 50, img);
 	delimage(img);
-	
+
 	// @note 尝试读取一个不存在的PNG文件（getimage1.png），如果读取失败，则显示错误消息。
 	img = newimage();
 	result = getimage(img, "getimage1.png");
@@ -53,10 +53,10 @@ int main()
 		outtextxy(0, 440, msg);
 		getch();
 		exit(-1);
-	}    
+	}
 	putimage(50, 50, img);
 	delimage(img);
-	
+
 	getch();
 	closegraph();
 	return 0;

demo/egejulia.cpp

@@ -346,7 +346,7 @@ int JDraw(COMPLEX c, double fromx, double fromy, double tox, double toy, double
 				continue;
 			}
 			COMPLEX& z = st->z;
-			
+
 			if (st->iter == 0)
 			{
 				double re = fromx + (tox - fromx) * (x / (double)g_w);
@@ -491,15 +491,15 @@ int main(int argc, char* argv[])
 	//     MessageBox(NULL, TEXT("本屏幕保护程序无配置"), TEXT("JuliaSet"), MB_OK);
 	//     return 0;
 	// }
-	
+
 	//initgraph(320, 240);
 	initgraph(-1, -1);
-	
+
 	randomize();
 	showmouse(0);
 	flushmouse();
 	while(kbhit()) getch();
-	
+
 	//InitColor();
 	InitLog();
 	g_w = getwidth(NULL);