Uses TSPdfEnumerations;
{$IFDEF LINUX}
	separator := "/";
{$ELSE}
	separator := "\\";
{$ENDIF}

alias := "";
path := "";
InitCmdParams(alias, path);
output_file := "encoding_list_demo.pdf";
output_file := path + separator + output_file;

pdf := new PdfFile();

// set compression mode
pdf.SetCompressionMode(TSPdfEnumerations.COMP_ALL);

// Set page mode to use outlines.
errcode := pdf.SetPageMode(TSPdfEnumerations.PAGE_MODE_USE_OUTLINE);

// get default font
font := pdf.GetFont("Helvetica", "");

// load font object
afm_file := path + separator + "type1" + separator + "a010013l.afm";
pfb_file := path + separator + "type1" + separator + "a010013l.pfb";

font_name := pdf.LoadType1FontFromFile(alias, afm_file, pfb_file);

// create outline root.
root := pdf.CreateOutline(nil, "Encoding list", nil);
root.SetOpened(true);

encodings := array(
		"StandardEncoding",
		"MacRomanEncoding",
		"WinAnsiEncoding",
		"ISO8859-2",
		"ISO8859-3",
		"ISO8859-4",
		"ISO8859-5",
		"ISO8859-9",
		"ISO8859-10",
		"ISO8859-13",
		"ISO8859-14",
		"ISO8859-15",
		"ISO8859-16",
		"CP1250",
		"CP1251",
		"CP1252",
		"CP1254",
		"CP1257",
		"KOI8-R",
		"Symbol-Set",
		"ZapfDingbats-Set",
		// ""
);

page_width := 420;
page_height := 400;
cell_width := 20;
cell_height := 20;

for i:=0 to length(encodings)-1 do
begin
	page := pdf.AddPage();

	page.SetWidth(page_width);
	page.SetHeight(page_height);

	outline := pdf.CreateOutline(root, encodings[i], nil);
	dst := page.CreateDestination();
	dst.SetXYZ(0, page_height, 1);
	// pdf.Destination_SetFitB(dst);
	outline.SetDestination(dst);

	page.SetFontAndSize(font, 15);
	DrawGraph(page, page_width, page_height, cell_width, cell_height);

	page.BeginText();
	page.SetFontAndSize(font, 20);
	page.MoveTextPos(40, page_height - 50);
	page.ShowText(encodings[i]);
	page.ShowText(" Encoding");
	page.EndText();

	if encodings[i] = "Symbol-Set" then
		font2 := pdf.GetFont("Symbol", "");
	else if encodings[i] = "ZapfDingbats-Set" then
		font2 := pdf.GetFont("ZapfDingbats", "");
	else
		font2 := pdf.GetFont(font_name, encodings[i]);

	page.SetFontAndSize(font2, 14);
	DrawFonts(page, page_width, page_height, cell_width, cell_height);

end

// save the document to a file
err := pdf.SaveToFile(alias, output_file);
echo "SaveToFile::\t", "err := ", format("%x", err), "\toutput_file := ", output_file, "\n";
return;

Function DrawGraph(page, page_width, page_height, cell_width, cell_height);
Begin
	// Draw 16 X 15 cells

	// Draw vertical lines.
	page.SetLineWidth(0.5);

	for i:=0 to 17 do
	begin
		x := i * cell_width + 40;

		page.MoveTo(x, page_height - 60);
		page.LineTo(x, 40);
		page.Stroke();

		if (i > 0 and i <= 16) then
		begin
			page.BeginText();
			page.MoveTextPos(x + 5, page_height - 75);
			buf := format("%x", i - 1);
			page.ShowText(buf);
			page.EndText();
		end
	end

	// Draw horizontal lines.
	for i:=0 to 15 do
	begin
		y := i * cell_height + 40;

		page.MoveTo(40, y);
		page.LineTo(page_width - 40, y);
		page.Stroke();

		if (i < 14) then
		begin
			page.BeginText();
			page.MoveTextPos(45, y + 5);
			buf := format("%x", 15 - i);
			page.ShowText(buf);
			page.EndText();
		end
	end
End;


Function DrawFonts(page, page_width, page_height, cell_width, cell_height);
Begin
	page.BeginText();

	// Draw all character from 0x20 to 0xFF to the canvas.
	for i:=1 to 16 do
	begin
		for j:=1 to 16 do
		begin
			y := page_height - 55 - ((i - 1) * cell_height);
			x := j * cell_width + 50;

			n := (i - 1) * 16 + (j - 1);
			if n > 256 then n := n % 256;
			buf := chr(n);
			if (n >= 32) then
			begin
				width := page.TextWidth(buf);
				d := x - width / 2;
				page.TextOut(d, y, buf);
			end
		end
	end
	page.EndText();
End;