int main(void){ FILE *gp; int i; char color[256]; //sin,cosの画像出力 gp=popen("gnuplot -persist","w"); plot_color(2,color); fprintf(gp, "plot sin(x) lt rgb \"#%s\"\n",color); plot_color(3,color); fprintf(gp, "replot cos(x) lt rgb \"#%s\"\n",color); fprintf(gp, "set terminal postscript eps enhanced color\n"); fprintf(gp, "set output \"image1.eps\"\n"); fprintf(gp, "replot\n"); //sin,cosの画像出力完了 pclose(gp); gp=popen("gnuplot -persist","w"); //ファイルからの画像出力 plot_color(1,color); fprintf(gp, "plot \'list/folder/1/number.txt\' pt 13 ps 1 lt rgb \"#%s\"\n",color); plot_color(2,color); fprintf(gp, "replot \'list/folder/2/number.txt\' pt 13 ps 0.8 lt rgb \"#%s\"\n",color); fprintf(gp, "set terminal postscript eps enhanced color\n"); fprintf(gp, "set output \"image2.eps\"\n"); fprintf(gp, "replot\n"); pclose(gp); }
void render(double time) { int i,j,k; int width,height; char state[size]={0}; char state2[size]={0}; width=get_winwidth(); height=get_winheight(); if (width>size) width=size; for (i=0; i<width; i++) state[i]=drand48()<0.5; for (i=0; i<height; i++) { for (j=0; j<width; j++) { unsigned int s=0; for (k=-b; k<=b; k++) { int l=j+k; if (l<0) l+=width; else if (l>=width) l-=width; s|=(state[l]<<(k+b)); } state2[j]=(code&(1<<s))!=0; } for (j=0; j<width; j++) state[j]=state2[j]; plot_color(0,0,0); for (j=0; j<width; j++) { double x=(j+0.5)/width; double y=1.0-(i+0.5)/height; if (state[j]) plot_point(x,y); } } }
void render(double time) { int i,j; int width,height; double x,y; float r,g,b; double l; static double alpha=0.0,beta=0.0,gamma=0.0; width=get_winwidth(); height=get_winheight(); for (i=0; i<width; i++) for (j=0; j<height; j++) { x=(i+0.5)/width; y=(j+0.5)/height; l=fsqr(x-0.5)+fsqr(y-0.5); r=sin(300*l+alpha-PI); g=sin(300*l+beta); b=sin(300*l+gamma+PI); plot_color(r,g,b); plot_point(x,y); } if (scroll) { alpha+=0.15; beta+=0.3; gamma+=0.6; } }