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[]) {
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[]) {
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[]) {
unsigned int color=0;
unsigned int alpha=255;
unsigned char nonzero=0;
int arg=0;
int c=0,v=0;
FILE *fp;
char *name=NULL;
char *atxt=NULL;
struct FrameBuffer *img=NULL;
unsigned char help=0;
unsigned char option=0;
OptionAdd(&opt,"-help",'x',&help);
OptionAdd(&opt,"-option",'x',&option);
OptionAdd(&opt,"name",'t',&name);
OptionAdd(&opt,"alpha",'t',&atxt);
OptionAdd(&opt,"nz",'x',&nonzero);
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;
img=FrameBufferLoadPPM(fp,name);
if (img==NULL) {
fprintf(stderr,"Error decoding image.\n");
exit(-1);
}
if (arg<argc) fclose(fp);
if (atxt !=NULL) {
int alen;
alen=strlen(atxt);
if ((alen>2) && (atxt[0]=='0') && (atxt[1]=='x'))
sscanf(atxt+2,"%x",&alpha);
else if (atxt[alen-1]=='%') {
float aflt;
atxt[alen-1]=0;
sscanf(atxt,"%g",&aflt);
if (aflt<0) aflt=0;
if (aflt>100) aflt=100;
alpha=255*aflt/100.0;
} else alpha=atoi(atxt);
if (alpha>255) alpha=255;
}
color=FrameBufferColor(0,0,0,alpha);
FrameBufferClear(img,color,0x08);
if (nonzero) {
for (c=0;c<img->wdt*img->hgt;c++) {
v=img->img[c]+img->img[c+img->wdt*img->wdt]+
img->img[c+2*img->wdt*img->wdt];
if (v==0) img->msk[c]=0;
}
}
if (img !=NULL) FrameBufferSavePPMX(img,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;
}
