drawing

// draw heart #include <stdio.h> #include <math.h> #include <Windows.h> //#include <times.h>

float f(float x, float y, float z) { float a = x * x + 9.0f / 4.0f * y * y + z * z - 1; return aaa - xxzzz - 9.0f / 80.0fyyzz*z; }

float h(float x, float z) { float y; for (y = 1.0f; y >= 0.0f; y -= 0.001f) { if (f(x, y, z) <= 0.0f) { return y; } } return 0.0f; }

unsigned char tcharv[] = { '.',':','-','=','*','-','@' };

void winSize(int lines_height, int cols_width) { char cmd[100]; if ((lines_height<1) || (lines_height>168) || (cols_width<13) || (cols_width>9001)) { printf("\nWarnning from winSize(): 1<=lines_height<=168 13<=cols_width<=9001 \n"); lines_height = 168; cols_width = 9001; } sprintf(cmd, "mode con cols=%d lines=%d", lines_height, cols_width); system(cmd); }

int main() { HANDLE hw = GetStdHandle(STD_OUTPUT_HANDLE); WORD wOldColorAttrs; CONSOLE_SCREEN_BUFFER_INFO csbiInfo; float z, x; unsigned char strvv[512];

system("color 2");


winSize(140,40);

printf("\n\t\t\t\t\t ��Ϧ���֣�����\n  ");

printf("\n\t\t��ĸ\t\t\t\t&\t\t С����\n  ");

//system("color 4");

for (z = 1.5f; z > -1.5f; z -= 2*0.05f)
{
	for (x = -1.15f; x < 1.15f; x += 2*0.025f) {
		float v = f(x, 0.0f, z);
		if (v <= 0.0f)
		{
			float y0 = h(x, z);
			float ny = 0.01f;
			float nx = h(x + ny, z) - y0;
			float nz = h(x, z + ny) - y0;
			//float nd = 1.0f / sqrtf(nx*nx + ny*ny + nz*nz);
			float nd = 1.0f / sqrtf(nx * nx + ny * ny + nz * nz);
			float d = (nx + ny - nz) * nd * 0.5f + 0.5f;
			//putchar(tcharv[(int)(d*5.0f)]);
			putchar(".:-=+*#%@"[(int)(d * 5.0f)]);
		}
		else
		{
			putchar(' ');
		}
	}

	for (x = -1.15f; x < 1.15f; x += 2 * 0.025f) {
		float v = f(x, 0.0f, z);
		if (v <= 0.0f)
		{
			float y0 = h(x, z);
			float ny = 0.01f;
			float nx = h(x + ny, z) - y0;
			float nz = h(x, z + ny) - y0;
			//float nd = 1.0f / sqrtf(nx*nx + ny*ny + nz*nz);
			float nd = 1.0f / sqrtf(nx * nx + ny * ny + nz * nz);
			float d = (nx + ny - nz) * nd * 0.5f + 0.5f;
			//putchar(tcharv[(int)(d*5.0f)]);
			putchar(".:-=+*#%@"[(int)(d * 5.0f)]);
		}
		else
		{
			putchar(' ');
		}
	}

	putchar('\n');
}
//SetConsoleTextAttribute(hw, FOREGROUND_RED | FOREGROUND_INTENSITY | BACKGROUND_BLUE);
printf(" \t\t\t\t\t\t\t\t\t\t ���£�");

getchar();
//system("pause");
//gets(strvv);
//scanf("%s,", &strvv);

printf("��"); Sleep(100);
printf("С"); Sleep(100);
printf("��^.^"); Sleep(100);
printf("&");  Sleep(100);
printf("��"); Sleep(100);
printf("С"); Sleep(100);
printf("��^��^"); Sleep(1000);

}

// a=imread('1_20180820135107.jpg'); k=imread('timg.jpg'); k=imresize(k,0.1); a(520:620-1,400:500,:)=k; a=rgb2hsv(a); a(:,:,1)=a(:,:,1)*0.4; a=hsv2rgb(a); figure,imshow(a);

imwrite(a,'a.bmp');

a=imread('1_20180820135107.jpg'); a(520:620-1,450:550,:)=k; b=a; for i=1:3 k1=a(:,:,i); k1=fft(k1); k1=ifft(conj(k1)); b(:,:,i)=k1; end; b=imrotate(b,180); b=uint8(b); a=b; a=rgb2hsv(a); a(:,:,1)=(1-a(:,:,1))*0.7; a=hsv2rgb(a); figure,imshow(a); imwrite(a,'b.bmp');

% imshow(a); % text(401,51,'??','fontsize',40,'color','red'); % picname='2.jpg'; % saveas(gcf,picname)

r=0.15;

a=imread('1.jpg'); b=imread('2.jpg');

a=imresize(a,r); b=imresize(b,r);

[size1,size2,size3]=size(a);

stepall=10;

for i=1:stepall

t=(i-1)*100*r;
ao=ones(size1,size2*3,3);
ao=uint8(ao*255);
ao(1:size1,1+t:size2+t,:)=b;

ao(1:size1,size2*2+1-t:size2*2+size2-t,:)=a;

figure,imshow(ao);
picname=[num2str(i) '.fig'];%????????i=1??picname=1.fig
saveas(gcf,picname)

end

for i=1:stepall picname=[num2str(i) '.fig']; open(picname) frame=getframe(gcf);
im=frame2im(frame);%??gif????????index????
[I,map]=rgb2ind(im,20);
if i==1 imwrite(I,map,'t.gif','gif', 'Loopcount',inf,'DelayTime',0.5);%???????? elseif i==stepall imwrite(I,map,'t.gif','gif','WriteMode','append','DelayTime',0.5); else imwrite(I,map,'t.gif','gif','WriteMode','append','DelayTime',0.5); end;
close all end