DIRECTORY
  IODefs: FROM "iodefs",
  StreamDefs: FROM "streamdefs",
  StringDefs: FROM "stringdefs",
  SystemDefs: FROM "systemdefs",
  PressDefs: FROM "pressdefs";

Matrix: PROGRAM IMPORTS IODefs, StreamDefs, StringDefs, SystemDefs, PressDefs = 
BEGIN

Font:TYPE = POINTER TO FontBody;
FontBody:TYPE = RECORD[family:STRING, size:CARDINAL _ 0, face:CARDINAL _ 0,
  rotation:CARDINAL _ 0, widths:Widths _ NIL];
Widths:TYPE = POINTER TO WidthBody;
WidthBody:TYPE = RECORD[micaX:ARRAY [0..256) OF INTEGER,
  bBox:ARRAY [0..4) OF INTEGER];
JustificationMode: TYPE = {leftJustified, rightJustified, centered,
  bottomJustified, topJustified};

labelFont, entryFont, titleFont, commentFont, quoteFont, screamerFont1, screamerFont2: Font _ NIL;
wStream:StreamDefs.StreamHandle; --Fonts.Widths stream
outFile:POINTER TO PressDefs.PressFileDescriptor;
outFileName:STRING = "Title.Press";
str:STRING _ [40];
row,column:CARDINAL;
char:CHARACTER;

leftEdge:CARDINAL_4000;
rightEdge:CARDINAL_19000;
bottomEdge:CARDINAL_3000;
topEdge:CARDINAL_15000;
gridWidth:CARDINAL_20;
labelMargin:CARDINAL_200;
titleMargin:CARDINAL_400;
title:STRING = "The common names of the seven bit character codes.";

numCols:CARDINAL=8;
numRows:CARDINAL=16;
colWidth:CARDINAL=(rightEdge-leftEdge)/numCols;
rowHeight:CARDINAL=(topEdge-bottomEdge)/numRows;

PutBox: PROCEDURE[thick,wide,high,x,y:CARDINAL]=
  BEGIN
  PressDefs.PutRectangle[outFile,x-wide/2-thick/2,y-high/2-thick/2,wide+thick,thick];
  PressDefs.PutRectangle[outFile,x-wide/2-thick/2,y-high/2-thick/2,thick,high+thick];
  PressDefs.PutRectangle[outFile,x-wide/2-thick/2,y+high/2-thick/2,wide+thick,thick];
  PressDefs.PutRectangle[outFile,x+wide/2-thick/2,y-high/2-thick/2,thick,high+thick];
  END;

FindWidths: PROCEDURE[f:Font]=
  BEGIN
  success:BOOLEAN;
  IF f=NIL THEN ERROR AttemptToFindWidthsOfNIL;
  f.widths _ SystemDefs.AllocateHeapNode[SIZE[WidthBody]];
  success _ PressDefs.LookupFontName[wStream, f.family, f.face, f.size,
    f.rotation, @f.widths.micaX, NIL, @f.widths.bBox];
  IF ~success THEN ERROR FontNotInWidthDictionary;
  END;
FontNotInWidthDictionary: SIGNAL = CODE;
AttemptToFindWidthsOfNIL: SIGNAL = CODE;

PutString: PROCEDURE[s:STRING,f:Font,x,y:CARDINAL,m:JustificationMode]=
  BEGIN
  length:CARDINAL _ 0;
  height, i:CARDINAL;
  IF f.widths=NIL THEN ERROR FontHasNoWidthData;
  FOR i IN [0..s.length) DO
    length _ length+f.widths.micaX[s[i]-0C];
    ENDLOOP;
  height _ f.widths.bBox[3]*8/10;
  SELECT m FROM
    leftJustified => BEGIN y _ y-height/2 END;
    rightJustified => BEGIN y _ y-height/2; x _ x-length END;
    centered => BEGIN y _ y-height/2; x _ x-length/2 END;
    topJustified => BEGIN y _ y-height; x _ x-length/2 END;
    bottomJustified => BEGIN x _ x-length/2 END; 
    ENDCASE;
  PressDefs.SetFont[outFile, f.family, f.size, f.face, f.rotation];
  PressDefs.PutText[outFile, s, x, y];
  END;
FontHasNoWidthData:SIGNAL = CODE;

InitFont: PROCEDURE[fam:STRING, size:CARDINAL, face,rot:CARDINAL _ 0]
    RETURNS [Font] =
  BEGIN
  f:Font;
  f _ SystemDefs.AllocateHeapNode[SIZE[FontBody]];
  f^ _ FontBody[fam,size,face,rot,NIL];
  RETURN [f];
  END;

PutChar: PROCEDURE[char:CHARACTER, font:Font,x,y:CARDINAL] = INLINE
  BEGIN
  string:STRING _ [1];
  string.length _ 1;
  string[0] _ char;
  PutString[string,font,x,y,centered];
  END;

PutStringChar: PROCEDURE[string1:STRING,font1:Font,char:CHARACTER, 
  font2:Font,x,y:CARDINAL] = INLINE
  BEGIN
  string2:STRING _ [1];
  string2.length _ 1;
  string2[0] _ char;
  PutStringString[string1,font1,string2,font2,x,y];
  END;

PutStringString: PROCEDURE[string1:STRING,font1:Font,string2:STRING, 
  font2:Font,x,y:CARDINAL] = INLINE
  BEGIN
  PutString[string1,font1,x,y+50,bottomJustified];
  PutString[string2,font2,x,y,topJustified];
  END;

IODefs.WriteLine["Starting:"];
wStream _ StreamDefs.NewWordStream["Fonts.Widths",
        StreamDefs.Read];
outFile _ SystemDefs.AllocateHeapNode[SIZE[PressDefs.PressFileDescriptor]];
PressDefs.InitPressFileDescriptor[outFile,outFileName];
labelFont _ InitFont["TimesRoman",10];
entryFont _ InitFont["TimesRoman",12];
titleFont _ InitFont["TimesRoman",12];
commentFont _ InitFont["TimesRoman",10];
quoteFont _ InitFont["Gacha",12];
screamerFont1 _ InitFont["OldEnglish",48];
screamerFont2 _ InitFont["OldEnglish",36];

FindWidths[labelFont];
FindWidths[entryFont];
FindWidths[titleFont];
FindWidths[commentFont];
FindWidths[quoteFont];
FindWidths[screamerFont1];
FindWidths[screamerFont2];

--Put down the rules of the grid;
FOR row IN [0..numRows]
  DO
  PressDefs.PutRectangle[outFile,leftEdge,bottomEdge+row*rowHeight,
                  numCols*colWidth+gridWidth,gridWidth]
  ENDLOOP;
FOR column IN [0..numCols]
  DO
  PressDefs.PutRectangle[outFile,leftEdge+column*colWidth,bottomEdge,
                  gridWidth,numRows*rowHeight+gridWidth]
  ENDLOOP;

--Put numeric labels on the grid, in labelFont;
FOR column IN [0..numCols)
  DO
  str[0]_('0)+column;
  str.length _ 1;
  PutString[str, labelFont, leftEdge+colWidth/2+column*colWidth,
         bottomEdge+labelMargin+numRows*rowHeight,bottomJustified];
  ENDLOOP;
FOR row IN [0..numRows)
  DO
  str.length_0;
  StringDefs.AppendChar[str,'#];
  SELECT row*numCols FROM
    IN [0B..7B] => StringDefs.AppendString[str,"00"];
    IN [10B..77B] => StringDefs.AppendString[str,"0"];
    ENDCASE;
  StringDefs.AppendNumber[str,row*numCols,8];
  PutString[str, labelFont, leftEdge-labelMargin,
       bottomEdge+(numRows-row)*rowHeight-(rowHeight/2), rightJustified];
  ENDLOOP;

--put title at the bottom of the page
PutString[title, titleFont, leftEdge+(numCols*colWidth/2),
  bottomEdge-titleMargin, topJustified];

--Put screaming headline on document
PutString["GrantCharacters.Press:",screamerFont2,11300,23000,centered];
PutString["A   Font   Sampler",screamerFont1,11300,20400,centered];
PutBox[50,13800,6000,11300,21500];
PutBox[100,14100,6300,11300,21500];

--start putting in keys

FOR char IN [0C..177C]
  DO BEGIN
  l:CARDINAL;
  x,y,row,column:CARDINAL;
  l_char-0C;
  row_l/numCols;
  column _ l MOD numCols;
  x _ leftEdge+column*colWidth+colWidth/2;
  y _ bottomEdge+(numRows-row)*rowHeight-rowHeight/2;
  SELECT char FROM
    =0C => PutString["NULL",commentFont,x,y,centered];
    IN [1C..37C] => 
      BEGIN
      str:STRING _ [2];
      str.length _ 2;
      str[0] _ '^;
      str[1] _ char+100B;
      PutString[str,entryFont,x,y,centered];
      END;
    =40C => PutString["SPACE",commentFont,x,y,centered];
    =41C => PutChar[char,entryFont,x,y];
    =42C => PutChar[char,quoteFont,x,y];
    IN [43C..54C] => PutChar[char,entryFont,x,y];
    =55C => PutChar[30C,entryFont,x,y];
    IN [56C..176C] => PutChar[char,entryFont,x,y];
    =177C => PutString["DEL",commentFont,x,y,centered];
    ENDCASE;
  END
  ENDLOOP;

PressDefs.WritePage[outFile];

PressDefs.ClosePressFile[outFile];

IODefs.WriteLine[""];
IODefs.WriteLine["Done."]

END.

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