Character::Character(long ch, const Font* f, const Color* c) : Glyph() { c_ = ch; font_ = f; Resource::ref(font_); color_ = c; Resource::ref(color_); if (font_ != nil) { FontBoundingBox b; font_->char_bbox(c_, b); left_bearing_ = b.left_bearing(); right_bearing_ = b.right_bearing(); width_ = b.width(); ascent_ = b.font_ascent(); descent_ = b.font_descent(); height_ = ascent_ + descent_; alignment_ = (height_ == 0) ? 0 : descent_ / height_; } else { left_bearing_ = 0; right_bearing_ = 0; ascent_ = 0; descent_ = 0; width_ = 0; height_ = 0; alignment_ = 0; } }
void FieldStringEditor::print(Printer* p, const Allocation& a) const { const Font* f = output_->GetFont(); const Color* fg = output_->GetFgColor(); FontBoundingBox b; f->font_bbox(b); Coord x = a.left(), y = a.bottom() + b.font_descent(); FieldStringEditor* e = (FieldStringEditor*)this; for (const char* s = e->Text(); *s != '\0'; s++) { Coord w = f->width(*s); p->character(f, *s, w, fg, x, y); x += w; } }
Glyph* read_idraw_graphic ( FILE* file, const Brush* pb, const Color* pfg, const Color* pbg, const Font* pf, Stipple* ps ) { skip(file); Transformer tx; Glyph* glyph = nil; const LayoutKit& layout = *LayoutKit::instance(); if (fscanf(file, "%s", buffer) != EOF) { figure& fig = figures[which(figures, buffer)]; if (strcmp(fig.name, "Idraw") == 0) { fscanf(file, "%d", &drawing_version); figures = versions[drawing_version]; } const Brush* b = (fig.brush) ? read_brush(file) : nil; const Color* fg = (fig.foreground) ? read_color(file) : nil; const Color* bg = (fig.background) ? read_color(file) : nil; const Font* f = (fig.font) ? read_font(file) : nil; Stipple* s = (fig.pattern) ? read_stipple(file) : nil; if (fig.transformer) { read_transformer(file, tx); } if (pb) b = pb; if (pfg) fg = pfg; if (pbg) bg = pbg; if (pf) f = pf; if (ps) s = ps; if (fig.name == nil) { ; // error } else if ( strcmp(fig.name, "Idraw") == 0 || strcmp(fig.name, "Pict") == 0 ) { Glyph* pic = layout.overlay(); Glyph* g; do { g = read_idraw_graphic(file, b, fg, bg, f, s); if (g != nil) { pic->append(g); } } while (g != nil); glyph = pic; } else if (strcmp(fig.name, "eop") == 0) { glyph = nil; } else if (strcmp(fig.name, "Text") == 0) { skip(file); fscanf(file, "%s", buffer); getc(file); PolyGlyph* col = layout.vbox_first_aligned(); PolyGlyph* line = layout.hbox_first_aligned(); FontBoundingBox bbox; f->font_bbox(bbox); Coord lineheight = bbox.font_ascent() + bbox.font_descent(); if (_idraw_font_metrics) { lineheight /= fixtextscale; } int c; while ((c = getc(file)) != ']') { if (c == '\n') { line->append(layout.strut(f)); col->append( layout.v_fixed_span(line, lineheight) ); line = layout.hbox(); } else if (c == ' ') { if (_idraw_font_metrics) { line->append( layout.shape_of(new Character(' ', f, fg)) ); } else { line->append(new Character(' ', f, fg)); } } else if (c != ')' && c != '(') { if (c == '\\') { c = getc(file); if (isdigit(c)) { c -= '0'; c = (c * 8) + getc(file) - '0'; c = (c * 8) + getc(file) - '0'; } } line->append(new Character(c, f, fg)); } } Transformer fixtext; if (_idraw_font_metrics) { fixtext.scale(fixtextscale, fixtextscale); } fixtext.translate(0, bbox.font_descent() - lineheight); glyph = new TransformSetter(col, fixtext); } else { skip(file); int c = fig.coords; if (c == -1) { fscanf(file, "%d", &c); } Coord xx, yy; Coord* x = new Coord[c]; Coord* y = new Coord[c]; for (int i = 0; i < c; ++i) { fscanf(file, "%g %g", &xx, &yy); x[i] = xx; y[i] = yy; } const Brush* brush = (b != no_brush) ? b : nil; const Color* stroke = fg; const Color* fill = ( (s != no_stipple) ? dither_color(fg, bg, s->_dither) : nil ); if (strcmp(fig.name, "Line") == 0) { glyph = new Line(brush, stroke, fill, x[0], y[0], x[1], y[1]); } else if (strcmp(fig.name, "BSpl") == 0) { glyph = new Open_BSpline(brush, stroke, fill, x, y, c); } else if (strcmp(fig.name, "CBSpl") == 0) { glyph = new Closed_BSpline(brush, stroke, fill, x, y, c); } else if (strcmp(fig.name, "MLine") == 0) { glyph = new Polyline(brush, stroke, fill, x, y, c); } else if (strcmp(fig.name, "Poly") == 0) { glyph = new Polygon(brush, stroke, fill, x, y, c); } else if (strcmp(fig.name, "Rect") == 0) { glyph = new Rectangle(brush, stroke, fill,x[0],y[0],x[1],y[1]); } else if (strcmp(fig.name, "Circ") == 0) { fscanf(file, "%f", &xx); glyph = new Circle(brush, stroke, fill, x[0], y[0], xx); } else if (strcmp(fig.name, "Elli") == 0) { fscanf(file, "%f %f", &xx, &yy); glyph = new Ellipse(brush, stroke, fill, x[0], y[0], xx, yy); } else { glyph = nil; } delete x; delete y; } for (int extra = fig.skip; extra > 0; --extra) { skip(file); } } if (glyph != nil && !tx.identity()) { glyph = new TransformSetter(glyph, tx); } return glyph; }