Method: TCPDF#writeHTML
- Defined in:
- lib/tcpdf.rb
#writeHTML(html, ln = true, fill = 0, reseth = false, cell = false, align = '') ⇒ Object Also known as: write_html
Allows to preserve some HTML formatting (limited support). IMPORTANT: The HTML must be well formatted - try to clean-up it using an application like HTML-Tidy before submitting. Supported tags are: a, b, blockquote, br, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, img, li, ol, p, pre, small, span, strong, sub, sup, table, td, th, thead, tr, tt, u, ul
- @param string :html
-
text to display
- @param boolean :ln
-
if true add a new line after text (default = true)
- @param int :fill
-
Indicates if the background must be painted (1:true) or transparent (0:false).
- @param boolean :reseth
-
if true reset the last cell height (default false).
- @param boolean :cell
-
if true add the default c_margin space to each Write (default false).
- @param string :align
-
Allows to center or align the text. Possible values are:
-
L : left align
-
C : center
-
R : right align
-
” : empty string : left for LTR or right for RTL
-
- @access public
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# File 'lib/tcpdf.rb', line 10950 def writeHTML(html, ln=true, fill=0, reseth=false, cell=false, align='') ln = false if ln == 0 reseth = false if reseth == 0 cell = false if cell == 0 case fill when true fill = 1 when false fill = 0 end gvars = getGraphicVars() # store current values prevPage = @page prevlMargin = @l_margin prevrMargin = @r_margin curfontname = @font_family curfontstyle = @font_style curfontsize = @font_size_pt curfontascent = getFontAscent(curfontname, curfontstyle, curfontsize) curfontdescent = getFontDescent(curfontname, curfontstyle, curfontsize) @newline = true startlinepage = @page minstartliney = @y maxbottomliney = 0 startlinex = @x startliney = @y yshift = 0 newline = true loop = 0 curpos = 0 opentagpos = nil this_method_vars = {} undo = false fontaligned = false @premode = false if !@page_annots[@page].nil? pask = @page_annots[@page].length else pask = 0 end if ! if ![@page].nil? [@page] = @pagelen[@page] - [@page] else [@page] = @pagelen[@page] end startlinepos = [@page] else startlinepos = @pagelen[@page] end lalign = align plalign = align if @rtl w = @x - @l_margin else w = @w - @r_margin - @x end w -= 2 * @c_margin if cell if @rtl @x -= @c_margin else @x += @c_margin end end if @customlistindent >= 0 @listindent = @customlistindent else @listindent = GetStringWidth('0000') end @listindentlevel = 0 # save previous states prev_cell_height_ratio = @cell_height_ratio prev_listnum = @listnum prev_listordered = @listordered prev_listcount = @listcount prev_lispacer = @lispacer @listnum = 0 @listordered = [] @listcount = [] @lispacer = '' if empty_string(@lasth) or reseth #set row height @lasth = @font_size * @cell_height_ratio end dom = getHtmlDomArray(html) maxel = dom.size key = 0 while key < maxel if dom[key]['tag'] and dom[key]['attribute'] and dom[key]['attribute']['pagebreak'] # check for pagebreak if (dom[key]['attribute']['pagebreak'] == 'true') or (dom[key]['attribute']['pagebreak'] == 'left') or (dom[key]['attribute']['pagebreak'] == 'right') # add a page (or trig AcceptPageBreak() for multicolumn mode) checkPageBreak(@page_break_trigger + 1) end if ((dom[key]['attribute']['pagebreak'] == 'left') and ((!@rtl and (@page % 2 == 0)) or (@rtl and (@page % 2 != 0)))) or ((dom[key]['attribute']['pagebreak'] == 'right') and ((!@rtl and (@page % 2 != 0)) or (@rtl and (@page % 2 == 0)))) # add a page (or trig AcceptPageBreak() for multicolumn mode) checkPageBreak(@page_break_trigger + 1) end end if dom[key]['tag'] and dom[key]['opening'] and dom[key]['attribute']['nobr'] and (dom[key]['attribute']['nobr'] == 'true') if dom[(dom[key]['parent'])]['attribute']['nobr'] and (dom[(dom[key]['parent'])]['attribute']['nobr'] == 'true') dom[key]['attribute']['nobr'] = false else # store current object startTransaction() # save this method vars this_method_vars['html'] = html.dup this_method_vars['ln'] = ln this_method_vars['fill'] = fill this_method_vars['reseth'] = reseth this_method_vars['cell'] = cell this_method_vars['align'] = align.dup this_method_vars['gvars'] = Marshal.load(Marshal.dump(gvars)) this_method_vars['prevPage'] = prevPage this_method_vars['prevlMargin'] = prevlMargin this_method_vars['prevrMargin'] = prevrMargin this_method_vars['curfontname'] = curfontname.dup this_method_vars['curfontstyle'] = curfontstyle.dup this_method_vars['curfontsize'] = curfontsize this_method_vars['curfontascent'] = curfontascent this_method_vars['curfontdescent'] = curfontdescent this_method_vars['minstartliney'] = minstartliney this_method_vars['maxbottomliney'] = maxbottomliney this_method_vars['yshift'] = yshift this_method_vars['startlinepage'] = startlinepage this_method_vars['startlinepos'] = startlinepos this_method_vars['startlinex'] = startlinex this_method_vars['startliney'] = startliney this_method_vars['newline'] = newline this_method_vars['loop'] = loop this_method_vars['curpos'] = curpos this_method_vars['pask'] = pask this_method_vars['lalign'] = lalign this_method_vars['plalign'] = plalign this_method_vars['w'] = w this_method_vars['prev_cell_height_ratio'] = prev_cell_height_ratio this_method_vars['prev_listnum'] = prev_listnum this_method_vars['prev_listordered'] = prev_listordered this_method_vars['prev_listcount'] = prev_listcount this_method_vars['prev_lispacer'] = prev_lispacer this_method_vars['fontaligned'] = fontaligned this_method_vars['key'] = key this_method_vars['dom'] = Marshal.load(Marshal.dump(dom)) end end # print THEAD block if (dom[key]['value'] == 'tr') and dom[key]['thead'] and dom[key]['thead'] if dom[key]['parent'] and dom[(dom[key]['parent'])]['thead'] and !empty_string(dom[(dom[key]['parent'])]['thead']) @in_thead = true # print table header (thead) writeHTML(@thead, false, false, false, false, '') if (@start_transaction_page == (@numpages - 1)) or (@y < @start_transaction_y) or checkPageBreak(@lasth, '', false) # restore previous object rollbackTransaction(true) # restore previous values this_method_vars.each {|vkey , vval| eval("#{vkey} = vval") } # add a page (or trig AcceptPageBreak() for multicolumn mode) pre_y = @y if !checkPageBreak(@page_break_trigger + 1) and (@y < pre_y) # fix for multicolumn mode startliney = @y end @start_transaction_page = @page @start_transaction_y = @y end end # move :key index forward to skip THEAD block while (key < maxel) and !((dom[key]['tag'] and dom[key]['opening'] and (dom[key]['value'] == 'tr') and (dom[key]['thead'].nil? or !dom[key]['thead'])) or (dom[key]['tag'] and !dom[key]['opening'] and (dom[key]['value'] == 'table'))) key += 1 end end if dom[key]['tag'] or (key == 0) if dom[key]['line-height'] # set line height @cell_height_ratio = dom[key]['line-height'] @lasth = @font_size * @cell_height_ratio end if ((dom[key]['value'] == 'table') or (dom[key]['value'] == 'tr')) and !dom[key]['align'].nil? dom[key]['align'] = @rtl ? 'R' : 'L' end # vertically align image in line if !@newline and (dom[key]['value'] == 'img') and !dom[key]['attribute']['height'].nil? and (dom[key]['attribute']['height'].to_i > 0) # get image height imgh = getHTMLUnitToUnits(dom[key]['attribute']['height'], @lasth, 'px') # check for automatic line break autolinebreak = false if dom[key]['attribute']['width'] and (dom[key]['attribute']['width'].to_i > 0) imgw = getHTMLUnitToUnits(dom[key]['attribute']['width'], 1, 'px', false) if (@rtl and (@x - imgw < @l_margin + @c_margin)) or (!@rtl and (@x + imgw > @w - @r_margin - @c_margin)) # add automatic line break autolinebreak = true Ln('', cell) # go back to evaluate this line break key -= 1 end end if !autolinebreak if ! pre_y = @y # check for page break if !checkPageBreak(imgh) and (@y < pre_y) # fix for multicolumn mode startliney = @y end end if @page > startlinepage # fix line splitted over two pages if ![startlinepage].nil? curpos = @pagelen[startlinepage] - [startlinepage] end # line to be moved one page forward pagebuff = getPageBuffer(startlinepage) linebeg = pagebuff[startlinepos, curpos - startlinepos] tstart = pagebuff[0, startlinepos] tend = pagebuff[curpos..-1] # remove line from previous page setPageBuffer(startlinepage, tstart + '' + tend) pagebuff = getPageBuffer(@page) tstart = pagebuff[0, @cntmrk[@page]] tend = pagebuff[@cntmrk[@page]..-1] # add line start to current page yshift = minstartliney - @y if fontaligned yshift += curfontsize / @k end try = sprintf('1 0 0 1 0 %.3f cm', (yshift * @k)) setPageBuffer(@page, tstart + "\nq\n" + try + "\n" + linebeg + "\nQ\n" + tend) # shift the annotations and links if @page_annots[@page] next_pask = @page_annots[@page].length else next_pask = 0 end if !@page_annots[startlinepage].nil? @page_annots[startlinepage].each_with_index { |pac, pak| if pak >= pask @page_annots[@page].push pac @page_annots[startlinepage].delete_at(pak) npak = @page_annots[@page].length - 1 @page_annots[@page][npak]['y'] -= yshift end } end pask = next_pask startlinepos = @cntmrk[@page] startlinepage = @page startliney = @y end @y += ((curfontsize * @cell_height_ratio / @k) + curfontascent - curfontdescent) / 2 - imgh minstartliney = [@y, minstartliney].min maxbottomliney = startliney + @font_size * @cell_height_ratio end elsif !dom[key]['fontname'].nil? or !dom[key]['fontstyle'].nil? or !dom[key]['fontsize'].nil? # account for different font size pfontname = curfontname pfontstyle = curfontstyle pfontsize = curfontsize fontname = !dom[key]['fontname'].nil? ? dom[key]['fontname'] : curfontname fontstyle = !dom[key]['fontstyle'].nil? ? dom[key]['fontstyle'] : curfontstyle fontsize = !dom[key]['fontsize'].nil? ? dom[key]['fontsize'] : curfontsize fontascent = getFontAscent(fontname, fontstyle, fontsize) fontdescent = getFontDescent(fontname, fontstyle, fontsize) if (fontname != curfontname) or (fontstyle != curfontstyle) or (fontsize != curfontsize) if fontsize.is_a?(Numeric) and (fontsize >= 0) and curfontsize.is_a?(Numeric) and (curfontsize >= 0) and (fontsize != curfontsize) and !@newline and (key < maxel - 1) if !@newline and (@page > startlinepage) # fix lines splitted over two pages if ![startlinepage].nil? curpos = @pagelen[startlinepage] - [startlinepage] end # line to be moved one page forward pagebuff = getPageBuffer(startlinepage) linebeg = pagebuff[startlinepos, curpos - startlinepos] tstart = pagebuff[0, startlinepos] tend = pagebuff[curpos..-1] # remove line from previous page setPageBuffer(startlinepage, tstart + '' + tend) pagebuff = getPageBuffer(@page) tstart = pagebuff[0, @cntmrk[@page]] tend = pagebuff[@cntmrk[@page]..-1] # add line start to current page yshift = minstartliney - @y try = sprintf('1 0 0 1 0 %.3f cm', yshift * @k) setPageBuffer(@page, tstart + "\nq\n" + try + "\n" + linebeg + "\nQ\n" + tend) # shift the annotations and links if @page_annots[@page] next_pask = @page_annots[@page].length else next_pask = 0 end if !@page_annots[startlinepage].nil? @page_annots[startlinepage].each_with_index { |pac, pak| if pak >= pask @page_annots[@page].push = pac @page_annots[startlinepage].delete_at(pak) npak = @page_annots[@page].length - 1 @page_annots[@page][npak]['y'] -= yshift end } end pask = next_pask startlinepos = @cntmrk[@page] startlinepage = @page startliney = @y end if !dom[key]['block'] @y += (((curfontsize - fontsize) * @cell_height_ratio / @k) + curfontascent - fontascent - curfontdescent + fontdescent) / 2 if (dom[key]['value'] != 'sup') and (dom[key]['value'] != 'sub') minstartliney = [@y, minstartliney].min maxbottomliney = [@y + ((fontsize * @cell_height_ratio) / @k), maxbottomliney].max end end fontaligned = true end SetFont(fontname, fontstyle, fontsize) @lasth = @font_size * @cell_height_ratio curfontname = fontname curfontstyle = fontstyle curfontsize = fontsize curfontascent = fontascent curfontdescent = fontdescent end end # set text rendering mode textstroke = !dom[key]['stroke'].nil? ? dom[key]['stroke'] : @textstrokewidth textfill = !dom[key]['fill'].nil? ? dom[key]['fill'] : ((@textrendermode % 2) == 0) textclip = !dom[key]['clip'].nil? ? dom[key]['clip'] : (@textrendermode > 3) setTextRenderingMode(textstroke, textfill, textclip) if (plalign == 'J') and dom[key]['block'] plalign = '' end # get current position on page buffer curpos = @pagelen[startlinepage] if !dom[key]['bgcolor'].nil? and (dom[key]['bgcolor'].length > 0) SetFillColorArray(dom[key]['bgcolor']) wfill = 1 else wfill = fill end if !dom[key]['fgcolor'].nil? and (dom[key]['fgcolor'].length > 0) SetTextColorArray(dom[key]['fgcolor']) end if !dom[key]['strokecolor'].nil? and (dom[key]['strokecolor'].length > 0) SetDrawColorArray(dom[key]['strokecolor']) end if !dom[key]['align'].nil? lalign = dom[key]['align'] end if empty_string(lalign) lalign = align end end # align lines if @newline and (dom[key]['value'].length > 0) and (dom[key]['value'] != 'td') and (dom[key]['value'] != 'th') newline = true fontaligned = false # we are at the beginning of a new line if !startlinex.nil? yshift = minstartliney - startliney if (yshift > 0) or (@page > startlinepage) yshift = 0 end t_x = 0 # the last line must be shifted to be aligned as requested linew = (@endlinex - startlinex).abs pstart = getPageBuffer(startlinepage)[0, startlinepos] if !opentagpos.nil? and ![startlinepage].nil? and ! [startlinepage] = @pagelen[startlinepage] - [startlinepage] midpos = [opentagpos, [startlinepage]].min elsif !opentagpos.nil? midpos = opentagpos elsif ![startlinepage].nil? and ! [startlinepage] = @pagelen[startlinepage] - [startlinepage] midpos = [startlinepage] else midpos = 0 end if midpos > 0 pmid = getPageBuffer(startlinepage)[startlinepos, midpos - startlinepos] pend = getPageBuffer(startlinepage)[midpos..-1] else pmid = getPageBuffer(startlinepage)[startlinepos..-1] pend = '' end if (!plalign.nil? and ((plalign == 'C') or (plalign == 'J') or ((plalign == 'R') and !@rtl) or ((plalign == 'L') and @rtl))) or (yshift < 0) # calculate shifting amount tw = w if (plalign == 'J') and isRTLTextDir() and (@num_columns > 1) tw += @c_margin end if @l_margin != prevlMargin tw += prevlMargin - @l_margin end if @r_margin != prevrMargin tw += prevrMargin - @r_margin end one_space_width = GetStringWidth(32.chr) mdiff = (tw - linew).abs if plalign == 'C' if @rtl t_x = -(mdiff / 2) else t_x = (mdiff / 2) end elsif (plalign == 'R') and !@rtl # right alignment on LTR document if revstrpos(pmid, ')]').to_i == revstrpos(pmid, ' )]').to_i + 1 # remove last space (if any) linew -= one_space_width mdiff = (tw - linew).abs end t_x = mdiff elsif (plalign == 'L') and @rtl # left alignment on RTL document if revstrpos(pmid, '[(') and ((revstrpos(pmid, '[( ').to_i == revstrpos(pmid, '[(').to_i) or (revstrpos(pmid, '[(' + 0.chr + 32.chr).to_i == revstrpos(pmid, '[(').to_i)) # remove first space (if any) linew -= one_space_width end if pmid.index('[(') and (pmid.index('[(').to_i == revstrpos(pmid, '[(').to_i) # remove last space (if any) linew -= one_space_width if (@current_font['type'] == 'TrueTypeUnicode') or (@current_font['type'] == 'cidfont0') linew -= one_space_width end end mdiff = (tw - linew).abs t_x = -mdiff elsif (plalign == 'J') and (plalign == lalign) # Justification if isRTLTextDir() t_x = @l_margin - @endlinex + @c_margin end no = 0 # spaces without trim ns = 0 # spaces with trim pmidtemp = pmid # escape special characters pmidtemp.gsub!(/[\\][\(]/x, '\\#!#OP#!#') pmidtemp.gsub!(/[\\][\)]/x, '\\#!#CP#!#') # search spaces lnstring = pmidtemp.scan(/\[\(([^\)]*)\)\]/x) if !lnstring.empty? spacestr = getSpaceString() maxkk = lnstring.length - 1 0.upto(maxkk) do |kk| # restore special characters lnstring[kk][0].gsub!('#!#OP#!#', '(') lnstring[kk][0].gsub!('#!#CP#!#', ')') if kk == maxkk if isRTLTextDir() tvalue = lnstring[kk][0].lstrip else tvalue = lnstring[kk][0].rstrip end else tvalue = lnstring[kk][0] end # store number of spaces on the strings lnstring[kk][1] = lnstring[kk][0].count(spacestr) lnstring[kk][2] = tvalue.count(spacestr) # count total spaces on line no += lnstring[kk][1] ns += lnstring[kk][2] lnstring[kk][3] = no lnstring[kk][4] = ns end if isRTLTextDir() t_x = @l_margin - @endlinex + @c_margin - ((no - ns) * one_space_width) end # calculate additional space to add to each space spacelen = one_space_width spacewidth = (((tw - linew) + ((no - ns) * spacelen)) / (ns ? ns : 1)) * @k spacewidthu = -1000 * ((tw - linew) + (no * spacelen)) / (ns ? ns : 1) / @font_size nsmax = ns ns = 0 # reset(lnstring) offset = 0 strcount = 0 prev_epsposbeg = 0 textpos = 0; if isRTLTextDir() textpos = @w_pt end while pmid_offset = pmid.index(/([0-9\.\+\-]*)[\s](Td|cm|m|l|c|re)[\s]/x, offset) pmid_data = $1 pmid_mark = $2 # check if we are inside a string section '[( ... )]' stroffset = pmid.index('[(', offset) if (stroffset != nil) and (stroffset <= pmid_offset) # set offset to the end of string section offset = pmid.index(')]', stroffset) while (offset != nil) and (pmid[offset - 1, 1] == '\\') offset = pmid.index(')]', offset + 1) end if offset == false Error('HTML Justification: malformed PDF code.') end next end if isRTLTextDir() spacew = spacewidth * (nsmax - ns) else spacew = spacewidth * ns end offset = pmid_offset + $&.length epsposbeg = pmid.index('q' + @epsmarker, offset) epsposbeg = 0 if epsposbeg.nil? epsposend = pmid.index(@epsmarker + 'Q', offset) epsposend = 0 if epsposend.nil? epsposend += (@epsmarker + 'Q').length if ((epsposbeg > 0) and (epsposend > 0) and (offset > epsposbeg) and (offset < epsposend)) or ((epsposbeg === false) and (epsposend > 0) and (offset < epsposend)) # shift EPS images trx = sprintf('1 0 0 1 %.3f 0 cm', spacew) epsposbeg = pmid.index('q' + @epsmarker, prev_epsposbeg - 6) epsposbeg = 0 if epsposbeg.nil? pmid_b = pmid[0, epsposbeg] pmid_m = pmid[epsposbeg, epsposend - epsposbeg] pmid_e = pmid[epsposend..-1] pmid = pmid_b + "\nq\n" + trx + "\n" + pmid_m + "\nQ\n" + pmid_e offset = epsposend next end prev_epsposbeg = epsposbeg currentxpos = 0 # shift blocks of code case pmid_mark when 'Td', 'cm', 'm', 'l' # get current X position pmid =~ /([0-9\.\+\-]*)[\s](#{pmid_data})[\s](#{pmid_mark})([\s]*)/x currentxpos = $1.to_i textpos = currentxpos if (strcount <= maxkk) and (pmid_mark == 'Td') if strcount == maxkk if isRTLTextDir() tvalue = lnstring[strcount][0] else tvalue = lnstring[strcount][0].rstrip end else tvalue = lnstring[strcount][0] end ns += tvalue.count(spacestr) strcount += 1 end if isRTLTextDir() spacew = spacewidth * (nsmax - ns) end # justify block pmid.sub!(/([0-9\.\+\-]*)[\s](#{pmid_data})[\s](#{pmid_mark})([\s]*)/x, "" + sprintf("%.2f", $1.to_f + spacew) + " " + $2 + " x*#!#*x" + $3 + $4) when 're' # justify block pmid =~ /([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s](#{pmid_data})[\s](re)([\s]*)/x currentxpos = $1.to_i x_diff = 0 w_diff = 0 if isRTLTextDir() # RTL if currentxpos < textpos x_diff = spacewidth * (nsmax - lnstring[strcount][4]) w_diff = spacewidth * lnstring[strcount][2] else if strcount > 0 x_diff = spacewidth * (nsmax - lnstring[strcount - 1][4]) w_diff = spacewidth * lnstring[strcount - 1][2] end end else # LTR if currentxpos > textpos if strcount > 0 x_diff = spacewidth * lnstring[strcount - 1][3] end w_diff = spacewidth * lnstring[strcount][2] else if strcount > 1 x_diff = spacewidth * lnstring[strcount - 2][3] end if strcount > 0 w_diff = spacewidth * lnstring[strcount - 1][2] end end end pmid.sub!(/(#{$1})[\s](#{$2})[\s](#{$3})[\s](#{pmid_data})[\s](re)([\s]*)/x, "" + sprintf("%.2f", $1.to_f + x_diff) + " " + $2 + " " + sprintf("%.2f", $3.to_f + w_diff) + " " + $4 + " x*#!#*x" + $5 + $6) when 'c' # get current X position pmid =~ /([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s](#{pmid_data})[\s](c)([\s]*)/x currentxpos = $1.to_i # justify block pmid.sub!(/(#{$1})[\s](#{$2})[\s](#{$3})[\s](#{$4})[\s](${5})[\s](#{pmid_data})[\s](c)([\s]*)/x, "" + sprintf("%.3f", $1.to_f + spacew) + " " + $2 + " " + sprintf("%.3f", $3.to_f + spacew) + " " + $4 + " " + sprintf("%.3f", $5.to_f + spacew) + " " + $6 + " x*#!#*x" + $7 + $8) end # shift the annotations and links if !@page_annots[@page].nil? cxpos = currentxpos / @k lmpos = @l_margin + @c_margin + @feps @page_annots[@page].each_with_index { |pac, pak| if (pac['y'] >= minstartliney) and (pac['x'] * @k >= currentxpos - @feps) and (pac['x'] * @k <= currentxpos + @feps) if cxpos > lmpos @page_annots[@page][pak]['x'] += (spacew - one_space_width) / @k @page_annots[@page][pak]['w'] += (spacewidth * pac['numspaces']) / @k else @page_annots[@page][pak]['w'] += ((spacewidth * pac['numspaces']) - one_space_width) / @k end break end } end end # end of while # remove markers pmid.gsub!('x*#!#*x', '') if (@current_font['type'] == 'TrueTypeUnicode') or (@current_font['type'] == 'cidfont0') # multibyte characters spacew = spacewidthu pmidtemp = pmid # escape special characters pmidtemp.gsub!(/[\\][\(]/x, '\\#!#OP#!#') pmidtemp.gsub!(/[\\][\)]/x, '\\#!#CP#!#') pmidtemp =~ /\[\(([^\)]*)\)\]/x matches1 = $1.gsub("#!#OP#!#", "(") matches1.gsub!("#!#CP#!#", ")") pmid = pmidtemp.sub(/\[\(([^\)]*)\)\]/x, "[(" + matches1.gsub(0.chr + 32.chr, ") " + sprintf("%.3f", spacew) + " (") + ")]") setPageBuffer(startlinepage, pstart + "\n" + pmid + "\n" + pend) endlinepos = (pstart + "\n" + pmid + "\n").length else # non-unicode (single-byte characters) rs = sprintf("%.3f Tw", spacewidth) pmid.gsub!(/\[\(/x, "#{rs} [(") setPageBuffer(startlinepage, pstart + "\n" + pmid + "\nBT 0 Tw ET\n" + pend) endlinepos = (pstart + "\n" + pmid + "\nBT 0 Tw ET\n").length end end end # end of J end # end if $startlinex if (t_x != 0) or (yshift < 0) # shift the line trx = sprintf('1 0 0 1 %.3f %.3f cm', t_x * @k, yshift * @k) setPageBuffer(startlinepage, pstart + "\nq\n" + trx + "\n" + pmid + "\nQ\n" + pend) endlinepos = (pstart + "\nq\n" + trx + "\n" + pmid + "\nQ\n").length # shift the annotations and links if !@page_annots[@page].nil? @page_annots[@page].each_with_index { |pac, pak| if pak >= pask @page_annots[@page][pak]['x'] += t_x @page_annots[@page][pak]['y'] -= yshift end } end @y -= yshift end end pbrk = checkPageBreak(@lasth) @newline = false startlinex = @x startliney = @y if dom[dom[key]['parent']]['value'] == 'sup' startliney -= (0.3 * @font_size_pt) / @k elsif dom[dom[key]['parent']]['value'] == 'sub' startliney -= (@font_size_pt / 0.7) / @k else minstartliney = startliney maxbottomliney = startliney + @font_size * @cell_height_ratio end startlinepage = @page if !endlinepos.nil? and !pbrk startlinepos = endlinepos else if ! if ![@page].nil? [@page] = @pagelen[@page] - [@page] else [@page] = @pagelen[@page] end startlinepos = [@page] else startlinepos = @pagelen[@page] end end endlinepos = nil plalign = lalign if !@page_annots[@page].nil? pask = @page_annots[@page].length else pask = 0 end SetFont(fontname, fontstyle, fontsize) if wfill == 1 SetFillColorArray(@bgcolor) end end # end newline if !opentagpos.nil? opentagpos = nil end if dom[key]['tag'] if dom[key]['opening'] # get text indentation (if any) if dom[key]['text-indent'] and dom[key]['block'] @textindent = dom[key]['text-indent'] @newline = true end if dom[key]['value'] == 'table' # available page width if @rtl wtmp = @x - @l_margin else wtmp = @w - @r_margin - @x end if dom[key]['attribute']['nested'] and (dom[key]['attribute']['nested'] == 'true') # add margin for nested tables wtmp -= @c_margin end # table width if !dom[key]['width'].nil? table_width = getHTMLUnitToUnits(dom[key]['width'], wtmp, 'px') else table_width = wtmp end end if (dom[key]['value'] == 'td') or (dom[key]['value'] == 'th') trid = dom[key]['parent'] table_el = dom[trid]['parent'] if dom[table_el]['cols'].nil? dom[table_el]['cols'] = dom[trid]['cols'] end oldmargin = @c_margin if !dom[(dom[trid]['parent'])]['attribute']['cellpadding'].nil? currentcmargin = getHTMLUnitToUnits(dom[(dom[trid]['parent'])]['attribute']['cellpadding'], 1, 'px') else currentcmargin = 0 end @c_margin = currentcmargin if !dom[(dom[trid]['parent'])]['attribute']['cellspacing'].nil? cellspacing = getHTMLUnitToUnits(dom[(dom[trid]['parent'])]['attribute']['cellspacing'], 1, 'px') else cellspacing = 0 end if @rtl cellspacingx = -cellspacing else cellspacingx = cellspacing end colspan = dom[key]['attribute']['colspan'] table_columns_width = table_width - (cellspacing * (dom[table_el]['cols'] - 1)) wtmp = colspan * (table_columns_width / dom[table_el]['cols']) + (colspan - 1) * cellspacing if !dom[key]['width'].nil? cellw = getHTMLUnitToUnits(dom[key]['width'], table_columns_width, 'px') else cellw = wtmp end if !dom[key]['height'].nil? # minimum cell height cellh = getHTMLUnitToUnits(dom[key]['height'], 0, 'px') else cellh = 0 end if !dom[key]['content'].nil? cell_content = dom[key]['content'] else cell_content = ' ' end tagtype = dom[key]['value'] parentid = key while (key < maxel) and !(dom[key]['tag'] and !dom[key]['opening'] and (dom[key]['value'] == tagtype) and (dom[key]['parent'] == parentid)) # move :key index forward key += 1 end if dom[trid]['startpage'].nil? dom[trid]['startpage'] = @page else setPage(dom[trid]['startpage']) end if dom[trid]['starty'].nil? dom[trid]['starty'] = @y else @y = dom[trid]['starty'] end if dom[trid]['startx'].nil? dom[trid]['startx'] = @x else @x += (cellspacingx / 2) end if !dom[parentid]['attribute']['rowspan'].nil? rowspan = dom[parentid]['attribute']['rowspan'].to_i else rowspan = 1 end # skip row-spanned cells started on the previous rows if !dom[table_el]['rowspans'].nil? rsk = 0 rskmax = dom[table_el]['rowspans'].length while rsk < rskmax trwsp = dom[table_el]['rowspans'][rsk] rsstartx = trwsp['startx'] rsendx = trwsp['endx'] # account for margin changes if trwsp['startpage'] < @page if @rtl and (@pagedim[@page]['orm'] != @pagedim[trwsp['startpage']]['orm']) dl = @pagedim[@page]['orm'] - @pagedim[trwsp['startpage']]['orm'] rsstartx -= dl rsendx -= dl elsif !@rtl and (@pagedim[@page]['olm'] != @pagedim[trwsp['startpage']]['olm']) dl = @pagedim[@page]['olm'] - @pagedim[trwsp['startpage']]['olm'] rsstartx += dl rsendx += dl end end if (trwsp['rowspan'] > 0) and (rsstartx > @x - cellspacing - currentcmargin - @feps) and (rsstartx < @x + cellspacing + currentcmargin + @feps) and ((trwsp['starty'] < @y - @feps) or (trwsp['startpage'] < @page)) # set the starting X position of the current cell @x = rsendx + cellspacingx if (trwsp['rowspan'] == 1) and !dom[trid]['endy'].nil? and !dom[trid]['endpage'].nil? and (trwsp['endpage'] == dom[trid]['endpage']) # set ending Y position for row dom[table_el]['rowspans'][rsk]['endy'] = [dom[trid]['endy'], trwsp['endy']].max dom[trid]['endy'] = dom[table_el]['rowspans'][rsk]['endy'] end rsk = 0 else rsk += 1 end end end # add rowspan information to table element if rowspan > 1 dom[table_el]['rowspans'].push({'trid' => trid, 'rowspan' => rowspan, 'mrowspan' => rowspan, 'colspan' => colspan, 'startpage' => @page, 'startx' => @x, 'starty' => @y}) trsid = dom[table_el]['rowspans'].size end dom[trid]['cellpos'].push({'startx' => @x}) cellid = dom[trid]['cellpos'].size if rowspan > 1 dom[trid]['cellpos'][cellid - 1]['rowspanid'] = trsid - 1 end # push background colors if !dom[parentid]['bgcolor'].nil? and (dom[parentid]['bgcolor'].length > 0) dom[trid]['cellpos'][cellid - 1]['bgcolor'] = dom[parentid]['bgcolor'].dup end prevLastH = @lasth # ****** write the cell content ****** MultiCell(cellw, cellh, cell_content, 0, lalign, 0, 2, '', '', true, 0, true) @lasth = prevLastH @c_margin = oldmargin dom[trid]['cellpos'][cellid - 1]['endx'] = @x # update the end of row position if rowspan <= 1 if !dom[trid]['endy'].nil? if @page == dom[trid]['endpage'] dom[trid]['endy'] = [@y, dom[trid]['endy']].max elsif @page > dom[trid]['endpage'] dom[trid]['endy'] = @y end else dom[trid]['endy'] = @y end if !dom[trid]['endpage'].nil? dom[trid]['endpage'] = [@page, dom[trid]['endpage']].max else dom[trid]['endpage'] = @page end else # account for row-spanned cells dom[table_el]['rowspans'][trsid - 1]['endx'] = @x dom[table_el]['rowspans'][trsid - 1]['endy'] = @y dom[table_el]['rowspans'][trsid - 1]['endpage'] = @page end if !dom[table_el]['rowspans'].nil? # update endy and endpage on rowspanned cells dom[table_el]['rowspans'].each_with_index { |trwsp, k| if trwsp['rowspan'] > 0 if !dom[trid]['endpage'].nil? if trwsp['endpage'] == dom[trid]['endpage'] dom[table_el]['rowspans'][k]['endy'] = [dom[trid]['endy'], trwsp['endy']].max elsif trwsp['endpage'] < dom[trid]['endpage'] dom[table_el]['rowspans'][k]['endy'] = dom[trid]['endy'] dom[table_el]['rowspans'][k]['endpage'] = dom[trid]['endpage'] else dom[trid]['endy'] = @pagedim[dom[trid]['endpage']]['hk'] - @pagedim[dom[trid]['endpage']]['bm'] end end end } end @x += (cellspacingx / 2) else # opening tag (or self-closing tag) if opentagpos.nil? if ! if ![@page].nil? [@page] = @pagelen[@page] - [@page] else [@page] = @pagelen[@page] end opentagpos = [@page] end end openHTMLTagHandler(dom, key, cell) end else # closing tag prev_numpages = @numpages closeHTMLTagHandler(dom, key, cell, maxbottomliney) if prev_numpages > @numpages startlinepage = @page end end elsif dom[key]['value'].length > 0 # print list-item if !empty_string(@lispacer) SetFont(pfontname, pfontstyle, pfontsize) @lasth = @font_size * @cell_height_ratio minstartliney = @y maxbottomliney = startliney + @font_size * @cell_height_ratio putHtmlListBullet(@listnum, @lispacer, pfontsize) SetFont(curfontname, curfontstyle, curfontsize) @lasth = @font_size * @cell_height_ratio if pfontsize.is_a?(Numeric) and (pfontsize > 0) and curfontsize.is_a?(Numeric) and (curfontsize > 0) and (pfontsize != curfontsize) pfontascent = getFontAscent(pfontname, pfontstyle, pfontsize) pfontdescent = getFontDescent(pfontname, pfontstyle, pfontsize) @y += ((pfontsize - curfontsize) * @cell_height_ratio / @k + pfontascent - curfontascent - pfontdescent + curfontdescent) / 2 minstartliney = [@y, minstartliney].min maxbottomliney = [@y + pfontsize * @cell_height_ratio / @k, maxbottomliney].max end end # text @htmlvspace = 0 if !@premode and isRTLTextDir() # reverse spaces order len1 = dom[key]['value'].length lsp = len1 - dom[key]['value'].lstrip.length rsp = len1 - dom[key]['value'].rstrip.length tmpstr = '' if rsp > 0 tmpstr << dom[key]['value'][-rsp..-1] end tmpstr << (dom[key]['value']).strip if lsp > 0 tmpstr << dom[key]['value'][0, lsp] end dom[key]['value'] = tmpstr end if newline if !@premode prelen = dom[key]['value'].length if isRTLTextDir() dom[key]['value'] = dom[key]['value'].rstrip + 0.chr else dom[key]['value'] = dom[key]['value'].lstrip end postlen = dom[key]['value'].length if (postlen == 0) and (prelen > 0) dom[key]['trimmed_space'] = true end end newline = false firstblock = true else firstblock = false end strrest = '' if @rtl @x -= @textindent else @x += @textindent end if !@href.empty? and @href['url'] # HTML <a> Link hrefcolor = '' if dom[(dom[key]['parent'])]['fgcolor'] and !dom[(dom[key]['parent'])]['fgcolor'].empty? hrefcolor = dom[(dom[key]['parent'])]['fgcolor'] end hrefstyle = -1 if dom[(dom[key]['parent'])]['fontstyle'] and (dom[(dom[key]['parent'])]['fontstyle'] != false) hrefstyle = dom[(dom[key]['parent'])]['fontstyle'] end strrest = addHtmlLink(@href['url'], dom[key]['value'], wfill, true, hrefcolor, hrefstyle, true) else # ****** write only until the end of the line and get the rest ****** strrest = Write(@lasth, dom[key]['value'], '', wfill, '', false, 0, true, firstblock, 0) end @textindent = 0 if !strrest.nil? and strrest.length > 0 # store the remaining string on the previous :key position @newline = true if cell if @rtl @x -= @c_margin else @x += @c_margin end end if strrest == dom[key]['value'] # used to avoid infinite loop loop += 1 else loop = 0 end if !@href.empty? and @href['url'] dom[key]['value'] = strrest.strip elsif @premode dom[key]['value'] = strrest elsif isRTLTextDir() dom[key]['value'] = strrest.rstrip else dom[key]['value'] = strrest.lstrip end if loop < 3 key -= 1 end else loop = 0 end end key += 1 if dom[key] and dom[key]['tag'] and (dom[key]['opening'].nil? or !dom[key]['opening']) and dom[(dom[key]['parent'])]['attribute']['nobr'] and (dom[(dom[key]['parent'])]['attribute']['nobr'] == 'true') if !undo and (@start_transaction_page == (@numpages - 1)) or (@y < @start_transaction_y) # restore previous object rollbackTransaction(true) # restore previous values this_method_vars.each {|vkey , vval| eval("#{vkey} = vval") } # add a page (or trig AcceptPageBreak() for multicolumn mode) pre_y = @y if !checkPageBreak(@page_break_trigger + 1) and (@y < pre_y) startliney = @y end undo = true # avoid infinite loop else undo = false end end end # end for each :key # align the last line if !startlinex.nil? yshift = minstartliney - startliney if (yshift > 0) or (@page > startlinepage) yshift = 0 end t_x = 0 # the last line must be shifted to be aligned as requested linew = (@endlinex - startlinex).abs pstart = getPageBuffer(startlinepage)[0, startlinepos] if !opentagpos.nil? and ![startlinepage].nil? and ! [startlinepage] = @pagelen[startlinepage] - [startlinepage] midpos = [opentagpos, [startlinepage]].min elsif !opentagpos.nil? midpos = opentagpos elsif ![startlinepage].nil? and ! [startlinepage] = @pagelen[startlinepage] - [startlinepage] midpos = [startlinepage] else midpos = 0 end if midpos > 0 pmid = getPageBuffer(startlinepage)[startlinepos, midpos - startlinepos] pend = getPageBuffer(startlinepage)[midpos..-1] else pmid = getPageBuffer(startlinepage)[startlinepos..-1] pend = "" end if (!plalign.nil? and (((plalign == 'C') or ((plalign == 'R') and !@rtl) or ((plalign == 'L') and @rtl)))) or (yshift < 0) # calculate shifting amount tw = w if @l_margin != prevlMargin tw += prevlMargin - @l_margin end if @r_margin != prevrMargin tw += prevrMargin - @r_margin end one_space_width = GetStringWidth(32.chr) mdiff = (tw - linew).abs if plalign == 'C' if @rtl t_x = -(mdiff / 2) else t_x = (mdiff / 2) end elsif (plalign == 'R') and !@rtl # right alignment on LTR document if revstrpos(pmid, ')]').to_i == revstrpos(pmid, ' )]').to_i + 1 # remove last space (if any) linew -= one_space_width mdiff = (tw - linew).abs end t_x = mdiff elsif (plalign == 'L') and @rtl # left alignment on RTL document if revstrpos(pmid, '[(') and ((revstrpos(pmid, '[( ').to_i == revstrpos(pmid, '[(').to_i) or (revstrpos(pmid, '[(' + 0.chr + 32.chr).to_i == revstrpos(pmid, '[(').to_i)) # remove first space (if any) linew -= one_space_width end if pmid.index('[(') and (pmid.index('[(').to_i == revstrpos(pmid, '[(').to_i) # remove last space (if any) linew -= one_space_width if (@current_font['type'] == 'TrueTypeUnicode') or (@current_font['type'] == 'cidfont0') linew -= one_space_width end end mdiff = (tw - linew).abs t_x = -mdiff end end # end if startlinex if (t_x != 0) or (yshift < 0) # shift the line trx = sprintf('1 0 0 1 %.3f %.3f cm', t_x * @k, yshift * @k) setPageBuffer(startlinepage, pstart + "\nq\n" + trx + "\n" + pmid + "\nQ\n" + pend) endlinepos = (pstart + "\nq\n" + trx + "\n" + pmid + "\nQ\n").length # shift the annotations and links if !@page_annots[@page].nil? @page_annots[@page].each_with_index { |pac, pak| if pak >= pask @page_annots[@page][pak]['x'] += t_x @page_annots[@page][pak]['y'] -= yshift end } end @y -= yshift end end if ln and !(cell and (dom[key-1]['value'] == 'table')) Ln(@lasth) if @y < maxbottomliney @y = maxbottomliney end end # restore previous values setGraphicVars(gvars) if @page > prevPage @l_margin = @pagedim[@page]['olm'] @r_margin = @pagedim[@page]['orm'] end # restore previous list state @cell_height_ratio = prev_cell_height_ratio @listnum = prev_listnum @listordered = prev_listordered @listcount = prev_listcount @lispacer = prev_lispacer dom = nil end |