/* emit_html_label: */ void emit_html_label(GVJ_t * job, htmllabel_t * lp, textlabel_t * tp) { htmlenv_t env; env.p = tp->p; env.finfo.color = tp->fontcolor; env.finfo.name = tp->fontname; env.finfo.size = tp->fontsize; if (lp->kind == HTML_TBL) { htmltbl_t *tbl = lp->u.tbl; /* set basic graphics context */ gvrender_begin_context(job); /* Need to override line style set by node. */ gvrender_set_style(job, job->gvc->defaultlinestyle); if (tbl->data.pencolor) gvrender_set_pencolor(job, tbl->data.pencolor); else gvrender_set_pencolor(job, DEFAULT_COLOR); emit_html_tbl(job, tbl, &env); gvrender_end_context(job); } else { emit_html_txt(job, lp->u.txt, &env); } }
/* doBorder: * Draw rectangle of width border inside rectangle given * by box. If border is 1, we call use a single call to gvrender_polygon. * (We have set linewidth to 1 below.) Otherwise, we use four separate * filled rectangles. We could use a richer graphics model, as things * can go wrong when cell spacing and borders are small. * We decrement the border value by 1, as typically a filled rectangle * from x to x+border will all pixels from x to x+border, and thus have * width border+1. */ static void doBorder(GVJ_t * job, char *color, int border, box B) { pointf pt; boxf BF; double wd, ht; gvrender_begin_context(job); if (!color) color = "black"; gvrender_set_fillcolor(job, color); gvrender_set_pencolor(job, color); B2BF(B, BF); if (border == 1) { gvrender_box(job, BF, 0); } else { border--; ht = BF.UR.y - BF.LL.y; wd = BF.UR.x - BF.LL.x; doSide(job, BF.LL, border, ht); pt.x = BF.LL.x; pt.y = BF.UR.y; doSide(job, pt, wd, -border); doSide(job, BF.UR, -border, -ht); pt.x = BF.UR.x; pt.y = BF.LL.y; doSide(job, pt, -wd, border); } gvrender_end_context(job); }
void emit_textlines(GVJ_t* job, int nlines, textline_t lines[], pointf p, double halfwidth_x, char* fname, double fsize, char* fcolor) { int i, linespacing; double tmp, center_x, left_x, right_x; center_x = p.x; left_x = center_x - halfwidth_x; right_x = center_x + halfwidth_x; /* set linespacing to an exact no. of pixelrows */ linespacing = (int) (fsize * LINESPACING); /* position for first line */ p.y += (linespacing * (nlines - 1) / 2) /* cl of topline */ -fsize / 3.0; /* cl to baseline */ tmp = ROUND(p.y); /* align with interger points */ p.y = (double)tmp; gvrender_begin_context(job); gvrender_set_pencolor(job, fcolor); gvrender_set_font(job, fname, fsize); for (i = 0; i < nlines; i++) { switch (lines[i].just) { case 'l': p.x = left_x; break; case 'r': p.x = right_x; break; default: case 'n': p.x = center_x; break; } gvrender_textline(job, p, &(lines[i])); /* position for next line */ p.y -= linespacing; } gvrender_end_context(job); }
static void emit_htextparas(GVJ_t* job, int nparas, htextpara_t* paras, pointf p, double halfwidth_x, char* fname, double fsize, char* fcolor, box b) { int i,j; double tmp, center_x, left_x, right_x, fsize_; double offset; char *fname_ , *fcolor_; textpara_t tl; pointf p_ = {0.0, 0.0}; textitem_t* ti; center_x = p.x; left_x = center_x - halfwidth_x; right_x = center_x + halfwidth_x; /* Initial p is in center of text block; set initial baseline * to top of text block. */ p_.y = p.y + (double)(b.UR.y-b.LL.y)/2.0; tmp = ROUND(p_.y); /* align with integer points */ p_.y = (double)tmp; gvrender_begin_context(job); for(i=0; i<nparas; i++) { switch (paras[i].just) { case 'l': p_.x = left_x; p.x = left_x; break; case 'r': p_.x = right_x; p.x = right_x; break; default: case 'n': p_.x = center_x; p.x = center_x; break; } p_.y -= paras[i].lfsize; /* move to current base line */ ti = paras[i].items; offset = 0.0; for(j=0; j<paras[i].nitems; j++) { if (ti->font && (ti->font->size > 0)) fsize_ = ti->font->size; else fsize_ = fsize; if (ti->font && ti->font->name) fname_ = ti->font->name; else fname_ = fname; if (ti->font && ti->font->color) fcolor_ = ti->font->color; else fcolor_ = fcolor; gvrender_set_pencolor(job, fcolor_); gvrender_set_font(job, fname_, fsize_); tl.str = ti->str; tl.fontname = fname_; tl.fontsize = fsize_; tl.xshow = ti->xshow; tl.postscript_alias = ti->postscript_alias; tl.layout = ti->layout; tl.width = paras[i].size; tl.height = paras[i].lfsize; tl.just = paras[i].just; gvrender_textpara(job, p_, &tl); offset += ti->size; p_.x = p.x + offset; ti++; } } gvrender_end_context(job); }