vnstat-1.18.tar.gz

#include "common.h" #include "vnstati.h" #include "misc.h" #include "image.h" void initimagecontent(IMAGECONTENT *ic) { ic->showheader = 1; ic->showedge = 1; ic->showlegend = 1; ic->altdate = 0; ic->headertext[0] = '\0'; } void drawimage(IMAGECONTENT *ic) { switch (cfg.qmode) { case 1: drawdaily(ic); break; case 2: drawmonthly(ic); break; case 3: drawtop(ic); break; case 5: if (cfg.slayout) { drawsummary(ic, 0, 0); } else { drawoldsummary(ic, 0, 0); } break; case 51: if (cfg.slayout) { drawsummary(ic, 1, cfg.hourlyrate); } else { drawoldsummary(ic, 1, cfg.hourlyrate); } break; case 52: if (cfg.slayout) { drawsummary(ic, 2, cfg.hourlyrate); } else { drawoldsummary(ic, 2, cfg.hourlyrate); } break; case 7: drawhourly(ic, cfg.hourlyrate); break; default: break; } /* enable background transparency if needed */ if (cfg.transbg) { gdImageColorTransparent(ic->im, ic->cbackground); } } void colorinit(IMAGECONTENT *ic) { int rgb[3]; /* text, edge and header colors */ hextorgb(cfg.ctext, rgb); ic->ctext = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("ctext", ic->ctext, cfg.ctext, rgb); hextorgb(cfg.cedge, rgb); ic->cedge = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("cedge", ic->cedge, cfg.cedge, rgb); hextorgb(cfg.cheader, rgb); ic->cheader = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("cheader", ic->cheader, cfg.cheader, rgb); hextorgb(cfg.cheadertitle, rgb); ic->cheadertitle = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("cheadertitle", ic->cheadertitle, cfg.cheadertitle, rgb); hextorgb(cfg.cheaderdate, rgb); ic->cheaderdate = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("cheaderdate", ic->cheaderdate, cfg.cheaderdate, rgb); /* lines */ hextorgb(cfg.cline, rgb); ic->cline = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("cline", ic->cline, cfg.cline, rgb); if (cfg.clinel[0] == '-') { modcolor(rgb, 50, 1); } else { hextorgb(cfg.clinel, rgb); } ic->clinel = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("clinel", ic->clinel, cfg.clinel, rgb); /* background */ hextorgb(cfg.cbg, rgb); ic->cbackground = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("cbackground", ic->cbackground, cfg.cbg, rgb); modcolor(rgb, -35, 0); ic->cvnstat = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("cvnstat", ic->cvnstat, cfg.cbg, rgb); hextorgb(cfg.cbg, rgb); modcolor(rgb, -15, 0); ic->cbgoffset = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("cbgoffset", ic->cbgoffset, cfg.cbg, rgb); /* rx */ hextorgb(cfg.crx, rgb); ic->crx = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("crx", ic->crx, cfg.crx, rgb); if (cfg.crxd[0] == '-') { modcolor(rgb, -50, 1); } else { hextorgb(cfg.crxd, rgb); } ic->crxd = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("crxd", ic->crxd, cfg.crxd, rgb); /* tx */ hextorgb(cfg.ctx, rgb); ic->ctx = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("ctx", ic->ctx, cfg.ctx, rgb); if (cfg.ctxd[0] == '-') { modcolor(rgb, -50, 1); } else { hextorgb(cfg.ctxd, rgb); } ic->ctxd = gdImageColorAllocate(ic->im, rgb[0], rgb[1], rgb[2]); colorinitcheck("ctxd", ic->ctxd, cfg.ctxd, rgb); } void colorinitcheck(const char *color, int value, const char *cfgtext, const int *rgb) { if (value==-1) { printf("Error: ImageColorAllocate failed.\n"); printf(" C: \"%s\" T: \"%s\" RGB: %d/%d/%d\n", color, cfgtext, rgb[0], rgb[1], rgb[2]); exit(EXIT_FAILURE); } } void layoutinit(IMAGECONTENT *ic, char *title, int width, int height) { struct tm *d; char datestring[64]; /* get time in given format */ d = localtime(&data.lastupdated); strftime(datestring, 64, cfg.hformat, d); /* background, edges */ gdImageFill(ic->im, 0, 0, ic->cbackground); if (ic->showedge) { gdImageRectangle(ic->im, 0, 0, width-1, height-1, ic->cedge); } /* titlebox with title */ if (ic->showheader) { gdImageFilledRectangle(ic->im, 2+ic->showedge, 2+ic->showedge, width-3-ic->showedge, 24, ic->cheader); gdImageString(ic->im, gdFontGetGiant(), 12, 5+ic->showedge, (unsigned char*)title, ic->cheadertitle); } /* date */ if (!ic->showheader || ic->altdate) { gdImageString(ic->im, gdFontGetTiny(), 5+ic->showedge, height-12-ic->showedge, (unsigned char*)datestring, ic->cvnstat); } else { gdImageString(ic->im, gdFontGetTiny(), width-(((int)strlen(datestring))*gdFontGetTiny()->w+12), 9+ic->showedge, (unsigned char*)datestring, ic->cheaderdate); } /* generator */ gdImageString(ic->im, gdFontGetTiny(), width-114-ic->showedge, height-12-ic->showedge, (unsigned char*)"vnStat / Teemu Toivola", ic->cvnstat); } void drawlegend(IMAGECONTENT *ic, int x, int y) { if (!ic->showlegend) { return; } /* color legend */ gdImageString(ic->im, gdFontGetSmall(), x, y, (unsigned char*)"rx tx", ic->ctext); gdImageFilledRectangle(ic->im, x-12, y+4, x-6, y+10, ic->crx); gdImageRectangle(ic->im, x-12, y+4, x-6, y+10, ic->ctext); gdImageFilledRectangle(ic->im, x+30, y+4, x+36, y+10, ic->ctx); gdImageRectangle(ic->im, x+30, y+4, x+36, y+10, ic->ctext); } void drawbar(IMAGECONTENT *ic, int x, int y, int len, uint64_t rx, int rxk, uint64_t tx, int txk, uint64_t max) { int l; rx=mbkbtokb(rx, rxk); tx=mbkbtokb(tx, txk); if ((rx+tx)!=max) { len=((rx+tx)/(float)max)*len; } if (len!=0) { if (tx>rx) { l=rintf((rx/(float)(rx+tx)*len)); gdImageFilledRectangle(ic->im, x, y+YBEGINOFFSET, x+l, y+YENDOFFSET, ic->crx); gdImageRectangle(ic->im, x, y+YBEGINOFFSET, x+l, y+YENDOFFSET, ic->crxd); gdImageFilledRectangle(ic->im, x+l, y+YBEGINOFFSET, x+len, y+YENDOFFSET, ic->ctx); gdImageRectangle(ic->im, x+l, y+YBEGINOFFSET, x+len, y+YENDOFFSET, ic->ctxd); } else { l=rintf((tx/(float)(rx+tx)*len)); gdImageFilledRectangle(ic->im, x, y+YBEGINOFFSET, x+(len-l), y+YENDOFFSET, ic->crx); gdImageRectangle(ic->im, x, y+YBEGINOFFSET, x+(len-l), y+YENDOFFSET, ic->crxd); gdImageFilledRectangle(ic->im, x+(len-l), y+YBEGINOFFSET, x+len, y+YENDOFFSET, ic->ctx); gdImageRectangle(ic->im, x+(len-l), y+YBEGINOFFSET, x+len, y+YENDOFFSET, ic->ctxd); } } } void drawpole(IMAGECONTENT *ic, int x, int y, int len, uint64_t rx, uint64_t tx, uint64_t max) { int l; l = (rx/(float)max)*len; gdImageFilledRectangle(ic->im, x, y+(len-l), x+7, y+len, ic->crx); l = (tx/(float)max)*len; gdImageFilledRectangle(ic->im, x+5, y+(len-l), x+12, y+len, ic->ctx); } void drawdonut(IMAGECONTENT *ic, int x, int y, float rxp, float txp) { int rxarc = 0, txarc = 0; if ( (int)(rxp + txp) > 0 ) { rxarc = 360 * (rxp / (float)100); if ( (int)(rxp + txp) == 100 ) { txarc = 360 - rxarc; } else { txarc = 360 * (txp / (float)100); } /* fix possible graphical glitch */ if (!rxarc) { rxarc = 1; } if (!txarc) { txarc = 1; } } gdImageFilledArc(ic->im, x, y, DOUTRAD, DOUTRAD, 0, 360, ic->cbgoffset, 0); if ( (int)(rxp + txp) > 0 ) { gdImageFilledArc(ic->im, x, y, DOUTRAD, DOUTRAD, 270, 270+txarc, ic->ctx, 0); gdImageFilledArc(ic->im, x, y, DOUTRAD, DOUTRAD, 270, 270+txarc, ic->ctxd, gdEdged|gdNoFill); gdImageFilledArc(ic->im, x, y, DOUTRAD, DOUTRAD, 270+txarc, 270+txarc+rxarc, ic->crx, 0); gdImageFilledArc(ic->im, x, y, DOUTRAD, DOUTRAD, 270+txarc, 270+txarc+rxarc, ic->crxd, gdEdged|gdNoFill); gdImageFilledArc(ic->im, x, y, DINRAD, DINRAD, 270, 270+txarc, ic->ctxd, gdEdged|gdNoFill); gdImageFilledArc(ic->im, x, y, DINRAD, DINRAD, 270+txarc, 270+txarc+rxarc, ic->crxd, gdEdged|gdNoFill); } gdImageFilledArc(ic->im, x, y, DINRAD-2, DINRAD-2, 0, 360, ic->cbackground, 0); } void drawhours(IMAGECONTENT *ic, int x, int y, int rate) { int i, tmax=0, s=0, step, prev=0, diff=0, chour; flo