int main(int argc,char *argv[]) {
char *txt={"Hello World"};
int wdt=400;
int hgt=400;
struct FrameBuffer *fb=NULL;
struct FrameBufferFontDB *fontdb=NULL;
struct FrameBufferFont *font;
FILE *fontfp=NULL;
char *fntdbfname=NULL;
char *fontname="Times-Roman";
float fontsize=34.0;
fntdbfname=getenv("FONTDB");
fontfp=fopen(fntdbfname,"r");
if (fontfp !=NULL) {
fontdb=FrameBufferFontDBLoad(fontfp);
fclose(fontfp);
}
if (fontdb==NULL) {
fprintf(stderr,"Could not load fonts.\n");
exit(-1);
}
fb=FrameBufferMake("image",wdt,hgt,24);
font=FrameBufferFontDBFind(fontdb,fontname,fontsize);
FrameBufferText(fb,NULL,font,20,200,strlen(txt),
txt,0xffffffff,0x0f,1,NULL);
FrameBufferSavePPM(fb,stdout);
FrameBufferFree(fb);
FrameBufferFontDBFree(fontdb);
return 0;
}
int SplotPlotStart(struct Splot *ptr,char *name,
float wdt,float hgt,int depth) {
if (ptr==NULL) return -1;
if (ptr->ps.ptr !=NULL)
PostScriptPlotStart(ptr->ps.ptr);
if (ptr->fb.ptr !=NULL) {
struct FrameBuffer *img=NULL;
img=*(ptr->fb.ptr);
if (img !=NULL) FrameBufferFree(img);
img=FrameBufferMake(name,wdt,hgt,depth);
if (img==NULL) return -1;
*(ptr->fb.ptr)=img;
FrameBufferClear(img,ptr->fb.bgcolor,0x0f);
}
return 0;
}
int main(int argc,char *argv[]) {
struct XwinDisplay *dp;
struct XwinWindow *win;
int wdt=300,hgt=300;
unsigned int border=0;
int flg;
char *display_name=NULL;
char *progname;
int status=0;
struct timeval tmout;
unsigned int cv;
unsigned char *array=NULL;
int x,y,i,imax;
float ix,iy,cx,cy,tx,xmin,xmax,ymin,ymax;
xmin=-2.25;
xmax=-2.25+3;
ymin=-1.5;
ymax=1.5;
imax=255;
array=malloc(hgt);
progname=argv[0];
dp=XwinOpenDisplay(display_name,&flg);
win=XwinMakeWindow(0,0,wdt,hgt,border,
dp,"Test Window",
"Test Window","Test Window",
"basic",argc,argv,&flg);
if ((fbuf=FrameBufferMake("Test",wdt,hgt,24))==NULL) {
fprintf(stderr,"failed to make frame buffer.");
exit(-1);
}
XwinFrameBufferWindow(fbuf,win);
XwinShowWindow(win);
for (x=0;x<wdt;x++) {
for (y=0;y<hgt;y++) {
cx=xmin+(xmax-xmin)*x/wdt;
cy=ymin+(ymax-ymin)*y/hgt;
ix=0;
iy=0;
for (i=0;i<imax;i++) {
tx=ix*ix-iy*iy+cx;
iy=2*ix*iy+cy;
ix=tx;
if (sqrt(ix*ix+iy*iy)>2.0) break;
}
array[y]=i;
}
for (y=0;y<hgt;y++) {
cv=FrameBufferColor(16*array[y],16*array[y],255-16*array[y],255);
FrameBufferRectangle(fbuf,NULL,x,y,1,1,1,cv,0x0f,0,NULL,NULL);
}
XwinFrameBufferWindow(fbuf,win);
tmout.tv_sec=0;
tmout.tv_usec=0;
status=XwinDisplayEvent(dp,1,&win,0,&tmout);
if (status !=0) break;
}
XwinFreeWindow(win);
XwinCloseDisplay(dp);
return 0;
}
int main(int argc,char *argv[]) {
int arg=0;
FILE *fp;
struct FrameBuffer *src=NULL;
struct FrameBuffer *dst=NULL;
unsigned int bgcolor=0;
char *bgtxt=NULL;
unsigned alpha=0;
unsigned char help=0;
unsigned char option=0;
OptionAdd(&opt,"-help",'x',&help);
OptionAdd(&opt,"-option",'x',&option);
OptionAdd(&opt,"bgcol",'t',&bgtxt);
OptionAdd(&opt,"alpha",'x',&alpha);
arg=OptionProcess(1,argc,argv,&opt,NULL);
if (help==1) {
OptionPrintInfo(stdout,hlpstr);
exit(0);
}
if (option==1) {
OptionDump(stdout,&opt);
exit(0);
}
if (arg<argc) {
fp=fopen(argv[arg],"r");
if (fp==NULL) {
fprintf(stderr,"Error opening file.\n");
exit(-1);
}
} else fp=stdin;
bgcolor=FrameBufferColor(0x00,0x00,0x00,0x00);
if (bgtxt !=NULL) {
sscanf(bgtxt,"%x",&bgcolor);
}
while ((src=FrameBufferLoadPNG(fp,"image")) !=NULL) {
if (bgcolor !=0) {
if (dst==NULL) {
dst=FrameBufferMake(NULL,src->wdt,src->hgt,24);
if (dst==NULL) {
fprintf(stderr,"Error creating image.\n");
exit(-1);
}
}
FrameBufferClear(dst,bgcolor,0x0f);
FrameBufferImage(dst,NULL,src,0x0f,0,0,0,NULL);
if (alpha==0) FrameBufferSavePPM(dst,stdout);
else FrameBufferSavePPMAlpha(dst,stdout);
} else {
if (alpha==0) FrameBufferSavePPM(src,stdout);
else FrameBufferSavePPMAlpha(src,stdout);
}
FrameBufferFree(src);
src=NULL;
}
if (arg<argc) fclose(fp);
return 0;
}
int main(int argc,char *argv[]) {
int arg=0;
FILE *fp;
struct FrameBuffer *src=NULL;
struct FrameBuffer *dst=NULL;
struct FrameBufferMatrix m;
unsigned char sflg=0;
float wdt=-1;
float hgt=-1;
float sf=1.0;
unsigned char help=0;
unsigned char option=0;
OptionAdd(&opt,"-help",'x',&help);
OptionAdd(&opt,"-option",'x',&option);
OptionAdd(&opt,"smooth",'x',&sflg);
OptionAdd(&opt,"wdt",'f',&wdt);
OptionAdd(&opt,"hgt",'f',&hgt);
OptionAdd(&opt,"sf",'f',&sf);
arg=OptionProcess(1,argc,argv,&opt,NULL);
if (help==1) {
OptionPrintInfo(stdout,hlpstr);
exit(0);
}
if (option==1) {
OptionDump(stdout,&opt);
exit(0);
}
if (arg<argc) {
fp=fopen(argv[arg],"r");
if (fp==NULL) {
fprintf(stderr,"Error opening file.\n");
exit(-1);
}
} else fp=stdin;
while ((src=FrameBufferLoadPPMX(fp)) !=NULL) {
if (dst==NULL) {
if ((wdt==-1) && (hgt==-1)) {
wdt=src->wdt*sf;
hgt=src->hgt*sf;
} else if (wdt==-1) {
wdt=src->wdt*hgt/src->hgt;
} else if (hgt==-1) {
hgt=src->hgt*wdt/src->wdt;
}
if ((wdt==0) || (hgt==0)) {
fprintf(stderr,"Invalid image size.\n");
exit(-1);
}
dst=FrameBufferMake(NULL,wdt,hgt,src->depth);
}
if ((wdt==src->wdt) && (hgt==src->hgt))
FrameBufferImage(dst,NULL,src,0xf0,0,0,0,NULL);
else {
float xsc=wdt/src->wdt;
float ysc=hgt/src->hgt;
m.a=xsc;
m.b=0;
m.c=0;
m.d=ysc;
FrameBufferImage(dst,&m,src,0xf0,0,0,sflg,NULL);
}
FrameBufferSavePPMX(dst,stdout);
FrameBufferFree(src);
src=NULL;
}
if (arg<argc) fclose(fp);
return 0;
}
int main(int argc,char *argv[]) {
char lbuf[256];
int s=0;
int arg=0;
FILE *fp;
struct FrameBuffer *src=NULL;
struct FrameBuffer *dst=NULL;
struct XMLdata *xmldata=NULL;
struct FrameBufferXML xmlimg;
unsigned int bgcolor=0;
char *bgtxt=NULL;
unsigned char alpha=0;
unsigned char help=0;
unsigned char option=0;
OptionAdd(&opt,"-help",'x',&help);
OptionAdd(&opt,"-option",'x',&option);
OptionAdd(&opt,"bgcol",'t',&bgtxt);
OptionAdd(&opt,"alpha",'x',&alpha);
arg=OptionProcess(1,argc,argv,&opt,NULL);
if (help==1) {
OptionPrintInfo(stdout,hlpstr);
exit(0);
}
if (option==1) {
OptionDump(stdout,&opt);
exit(0);
}
xmldata=XMLMake();
xmlimg.xml=xmldata;
xmlimg.img=&src;
XMLSetStart(xmldata,FrameBufferXMLStart,&xmlimg);
XMLSetEnd(xmldata,FrameBufferXMLEnd,&xmlimg);
if (arg<argc) {
fp=fopen(argv[arg],"r");
if (fp==NULL) {
fprintf(stderr,"Error opening file.\n");
exit(-1);
}
} else fp=stdin;
while(fgets(lbuf,255,fp) !=NULL) {
s=XMLDecode(xmldata,lbuf,strlen(lbuf));
if (s !=0) break;
}
if (s !=0) {
fprintf(stderr,"Error decoding image.\n");
exit(-1);
}
if (arg<argc) fclose(fp);
bgcolor=FrameBufferColor(0x00,0x00,0x00,0x00);
if (bgtxt !=NULL) {
sscanf(bgtxt,"%x",&bgcolor);
}
if (src==NULL) {
fprintf(stderr,"Error decoding image.\n");
exit(-1);
}
if (bgcolor !=0) {
dst=FrameBufferMake(NULL,src->wdt,src->hgt,24);
if (dst==NULL) {
fprintf(stderr,"Error creating image.\n");
exit(-1);
}
FrameBufferClear(dst,bgcolor,0x0f);
FrameBufferImage(dst,NULL,src,0x0f,0,0,0,NULL);
if (alpha==0) FrameBufferSavePPM(dst,stdout);
else FrameBufferSavePPMAlpha(dst,stdout);
} else {
if (alpha==0) FrameBufferSavePPM(src,stdout);
else FrameBufferSavePPMAlpha(src,stdout);
}
return 0;
}
int main(int argc,char *argv[]) {
#ifdef _XLIB_
char *name="ppmxd";
int xdf=0;
struct XwinDisplay *dp;
struct XwinWindow *win;
char *display_name=NULL;
int xdoff=-1;
int ydoff=-1;
#endif
int arg=0;
FILE *fp;
unsigned int bgcolor=0;
struct FrameBufferMatrix m;
struct FrameBuffer *src=NULL;
struct FrameBuffer *dst=NULL;
char *bgtxt=NULL;
unsigned char cflg=0;
unsigned char sflg=0;
float scale=100;
float wdt=-1;
float hgt=-1;
unsigned char help=0;
unsigned char option=0;
OptionAdd(&opt,"-help",'x',&help);
OptionAdd(&opt,"-option",'x',&option);
OptionAdd(&opt,"smooth",'x',&sflg);
OptionAdd(&opt,"scale",'f',&scale);
OptionAdd(&opt,"check",'x',&cflg);
OptionAdd(&opt,"bgcol",'t',&bgtxt);
#ifdef _XLIB_
OptionAdd(&opt,"display",'t',&display_name);
OptionAdd(&opt,"xoff",'i',&xdoff);
OptionAdd(&opt,"yoff",'i',&ydoff);
#endif
arg=OptionProcess(1,argc,argv,&opt,NULL);
if (help==1) {
OptionPrintInfo(stdout,hlpstr);
exit(0);
}
if (option==1) {
OptionDump(stdout,&opt);
exit(0);
}
if (arg<argc) {
fp=fopen(argv[arg],"r");
if (fp==NULL) {
fprintf(stderr,"Error opening file.\n");
exit(-1);
}
} else fp=stdin;
src=FrameBufferLoadPPMX(fp);
if (src==NULL) {
fprintf(stderr,"Error decoding image.\n");
exit(-1);
}
if (arg<argc) fclose(fp);
bgcolor=FrameBufferColor(0x00,0x00,0x00,0xff);
if (bgtxt !=NULL) {
sscanf(bgtxt,"%x",&bgcolor);
bgcolor=bgcolor | 0xff000000;
}
if (scale<=0) scale=0.5;
if (scale !=100) {
wdt=src->wdt*scale/100.0;
hgt=src->hgt*scale/100.0;
} else {
wdt=src->wdt;
hgt=src->hgt;
}
if ((wdt==0) || (hgt==0)) {
fprintf(stderr,"Invalid image size.\n");
exit(-1);
}
dst=FrameBufferMake(NULL,wdt,hgt,24);
FrameBufferClear(dst,bgcolor,0x0f);
if (cflg !=0) { /* plot checker board */
int x,y;
int c=0,d=0;
for (x=0;x<wdt;x+=8) {
c=d;
d=!d;
for (y=0;y<hgt;y+=8) {
c=!c;
if (c==0) FrameBufferRectangle(dst,NULL,x,y,8,8,1,
0xffc0c0c0,0x0f,0,NULL,NULL);
else FrameBufferRectangle(dst,NULL,x,y,8,8,1,
0xffffffff,0x0f,0,NULL,NULL);
}
}
}
if (scale==100)
FrameBufferImage(dst,NULL,src,0x0f,0,0,0,NULL);
else {
m.a=scale/100.0;
m.b=0;
m.c=0;
m.d=scale/100.0;
FrameBufferImage(dst,&m,src,0x0f,0,0,sflg,NULL);
}
#ifdef _XLIB_
dp=XwinOpenDisplay(display_name,&xdf);
if (dp==NULL) {
fprintf(stderr,"Could not open display.\n");
exit(-1);
}
if (xdoff==-1) xdoff=(dp->wdt-dst->wdt)/2;
if (ydoff==-1) ydoff=(dp->hgt-dst->hgt)/2;
win=XwinMakeWindow(xdoff,ydoff,dst->wdt,dst->hgt,0,
dp,name,
name,argv[0],name,argc,argv,&xdf);
if (win==NULL) {
fprintf(stderr,"Could not create window.\n");
exit(-1);
}
XwinFrameBufferWindow(dst,win);
XwinShowWindow(win);
XwinDisplayEvent(dp,1,&win,1,NULL);
XwinFreeWindow(win);
XwinCloseDisplay(dp);
#endif
return 0;
}
int GrplotRawKey(struct Plot *ptr,
float ox,float oy,float wdt,float hgt,
double min,double max,
double tick_major,double tick_minor,
float major_size,float minor_size,
float txt_off,float ttl_off,
int tick_flg,int txt_flg,int ttl_flg,
int txt_or,int ttl_or,
int or,
int ttl_num,char *ttl_text,
int (*text_box)(char *,float,int,char *,float *,void *),
void *boxdata,
char * (*make_text)(double,double,double,void *),
void *textdata,
char *fntname,float fntsze,
unsigned int color,unsigned char mask,float width,
int ksze,unsigned char *a,
unsigned char *r,unsigned char *g,unsigned char *b) {
int s=0;
int i=0,j=0;
int kwdt=0,khgt=0;
struct FrameBuffer *img=NULL;
if (ptr==NULL) return -1;
if (text_box==NULL) return -1;
if (fntname==NULL) return -1;
if (fntsze==0) return -1;
if (ksze==0) return -1;
kwdt=ksze;
khgt=ksze;
if (or==0) img=FrameBufferMake(NULL,kwdt,ksze,24);
else img=FrameBufferMake(NULL,ksze,khgt,24);
if (img==NULL) return -1;
if (or==0) {
for (i=0;i<ksze;i++) {
for (j=0;j<kwdt;j++) {
if (a !=NULL) img->msk[(ksze-1-i)*kwdt+j]=a[i];
if (r !=NULL) img->img[(ksze-1-i)*kwdt+j]=r[i];
if (g !=NULL) img->img[ksze*kwdt+(ksze-1-i)*kwdt+j]=g[i];
if (b !=NULL) img->img[2*ksze*kwdt+(ksze-1-i)*kwdt+j]=b[i];
}
}
} else {
for (i=0;i<ksze;i++) {
for (j=0;j<khgt;j++) {
if (a !=NULL) img->msk[j*ksze+i]=a[i];
if (r !=NULL) img->img[j*ksze+i]=r[i];
if (g !=NULL) img->img[ksze*khgt+j*ksze+i]=g[i];
if (b !=NULL) img->img[2*ksze*khgt+j*ksze+i]=b[i];
}
}
}
s=GrplotRawFitImage(ptr,ox,oy,wdt,hgt,img,mask);
if (s==0) s=GrplotRawPanel(ptr,ox,oy,wdt,hgt,color,mask,width);
if (or==0) {
if (s==0) s=GrplotRawYaxis(ptr,ox,oy,wdt,hgt,
min,max,tick_major,tick_minor,major_size,minor_size,
tick_flg,color,mask,width);
if ((s==0) && (make_text !=NULL))
s=GrplotRawYaxisLabel(ptr,ox,oy,wdt,hgt,min,max,tick_major,txt_off,
txt_flg,txt_or,text_box,boxdata,
make_text,textdata,fntname,fntsze,color,mask);
} else {
if (s==0) s=GrplotRawXaxis(ptr,ox,oy,wdt,hgt,
min,max,tick_major,tick_minor,major_size,minor_size,
tick_flg,color,mask,width);
if ((s==0) && (make_text !=NULL))
s=GrplotRawXaxisLabel(ptr,ox,oy,wdt,hgt,min,max,tick_major,txt_off,
txt_flg,txt_or,text_box,boxdata,
make_text,textdata,fntname,fntsze,color,mask);
}
if ((s==0) && (ttl_text !=NULL) && (ttl_num !=0))
s=GrplotRawYaxisTitle(ptr,ox,oy,wdt,hgt,ttl_off,ttl_flg,ttl_or,
text_box,boxdata,
ttl_num,ttl_text,fntname,fntsze,color,mask);
FrameBufferFree(img);
return s;
}