private static TableAndHighlighting createTable(
PdfWriter docWriter,
Document doc,
float sideMargins,
Dimension scrambleImageSize,
String[] scrambles,
Puzzle scrambler,
HashMap<String, Color> colorScheme,
String scrambleNumberPrefix,
boolean forceHighlighting)
throws DocumentException {
PdfContentByte cb = docWriter.getDirectContent();
PdfPTable table = new PdfPTable(3);
int charsWide = scrambleNumberPrefix.length() + 1 + (int) Math.log10(scrambles.length);
String wideString = "";
for (int i = 0; i < charsWide; i++) {
// M has got to be as wide or wider than the widest digit in our font
wideString += "M";
}
wideString += ".";
float col1Width = new Chunk(wideString).getWidthPoint();
// I don't know why we need this, perhaps there's some padding?
col1Width += 5;
float availableWidth = doc.getPageSize().getWidth() - sideMargins;
float scrambleColumnWidth =
availableWidth - col1Width - scrambleImageSize.width - 2 * SCRAMBLE_IMAGE_PADDING;
int availableScrambleHeight = scrambleImageSize.height - 2 * SCRAMBLE_IMAGE_PADDING;
table.setTotalWidth(
new float[] {
col1Width, scrambleColumnWidth, scrambleImageSize.width + 2 * SCRAMBLE_IMAGE_PADDING
});
table.setLockedWidth(true);
String longestScramble = "";
String longestPaddedScramble = "";
for (String scramble : scrambles) {
if (scramble.length() > longestScramble.length()) {
longestScramble = scramble;
}
String paddedScramble = padTurnsUniformly(scramble, "M");
if (paddedScramble.length() > longestPaddedScramble.length()) {
longestPaddedScramble = paddedScramble;
}
}
// I don't know how to configure ColumnText.fitText's word wrapping characters,
// so instead, I just replace each character I don't want to wrap with M, which
// should be the widest character (we're using a monospaced font,
// so that doesn't really matter), and won't get wrapped.
char widestCharacter = 'M';
longestPaddedScramble = longestPaddedScramble.replaceAll("\\S", widestCharacter + "");
boolean tryToFitOnOneLine = true;
if (longestPaddedScramble.indexOf("\n") >= 0) {
// If the scramble contains newlines, then we *only* allow wrapping at the
// newlines.
longestPaddedScramble = longestPaddedScramble.replaceAll(" ", "M");
tryToFitOnOneLine = false;
}
boolean oneLine = false;
Font scrambleFont = null;
try {
BaseFont courier = BaseFont.createFont(BaseFont.COURIER, BaseFont.CP1252, BaseFont.EMBEDDED);
Rectangle availableArea =
new Rectangle(
scrambleColumnWidth - 2 * SCRAMBLE_PADDING_HORIZONTAL,
availableScrambleHeight
- SCRAMBLE_PADDING_VERTICAL_TOP
- SCRAMBLE_PADDING_VERTICAL_BOTTOM);
float perfectFontSize =
fitText(
new Font(courier),
longestPaddedScramble,
availableArea,
MAX_SCRAMBLE_FONT_SIZE,
true);
if (tryToFitOnOneLine) {
String longestScrambleOneLine = longestScramble.replaceAll(".", widestCharacter + "");
float perfectFontSizeForOneLine =
fitText(
new Font(courier),
longestScrambleOneLine,
availableArea,
MAX_SCRAMBLE_FONT_SIZE,
false);
oneLine = perfectFontSizeForOneLine >= MINIMUM_ONE_LINE_FONT_SIZE;
if (oneLine) {
perfectFontSize = perfectFontSizeForOneLine;
}
}
scrambleFont = new Font(courier, perfectFontSize, Font.NORMAL);
} catch (IOException e) {
l.log(Level.INFO, "", e);
} catch (DocumentException e) {
l.log(Level.INFO, "", e);
}
boolean highlight = forceHighlighting;
for (int i = 0; i < scrambles.length; i++) {
String scramble = scrambles[i];
String paddedScramble =
oneLine ? scramble : padTurnsUniformly(scramble, NON_BREAKING_SPACE + "");
Chunk ch = new Chunk(scrambleNumberPrefix + (i + 1) + ".");
PdfPCell nthscramble = new PdfPCell(new Paragraph(ch));
nthscramble.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE);
table.addCell(nthscramble);
Phrase scramblePhrase = new Phrase();
int nthLine = 1;
LinkedList<Chunk> lineChunks =
splitScrambleToLineChunks(paddedScramble, scrambleFont, scrambleColumnWidth);
if (lineChunks.size() >= MIN_LINES_TO_ALTERNATE_HIGHLIGHTING) {
highlight = true;
}
for (Chunk lineChunk : lineChunks) {
if (highlight && (nthLine % 2 == 0)) {
lineChunk.setBackground(HIGHLIGHT_COLOR);
}
scramblePhrase.add(lineChunk);
nthLine++;
}
PdfPCell scrambleCell = new PdfPCell(new Paragraph(scramblePhrase));
// We carefully inserted newlines ourselves to make stuff fit, don't
// let itextpdf wrap lines for us.
scrambleCell.setNoWrap(true);
scrambleCell.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE);
// This shifts everything up a little bit, because I don't like how
// ALIGN_MIDDLE works.
scrambleCell.setPaddingTop(-SCRAMBLE_PADDING_VERTICAL_TOP);
scrambleCell.setPaddingBottom(SCRAMBLE_PADDING_VERTICAL_BOTTOM);
scrambleCell.setPaddingLeft(SCRAMBLE_PADDING_HORIZONTAL);
scrambleCell.setPaddingRight(SCRAMBLE_PADDING_HORIZONTAL);
// We space lines a little bit more here - it still fits in the cell height
scrambleCell.setLeading(0, 1.1f);
table.addCell(scrambleCell);
if (scrambleImageSize.width > 0 && scrambleImageSize.height > 0) {
PdfTemplate tp =
cb.createTemplate(
scrambleImageSize.width + 2 * SCRAMBLE_IMAGE_PADDING,
scrambleImageSize.height + 2 * SCRAMBLE_IMAGE_PADDING);
Graphics2D g2 =
new PdfGraphics2D(tp, tp.getWidth(), tp.getHeight(), new DefaultFontMapper());
g2.translate(SCRAMBLE_IMAGE_PADDING, SCRAMBLE_IMAGE_PADDING);
try {
Svg svg = scrambler.drawScramble(scramble, colorScheme);
drawSvgToGraphics2D(svg, g2, scrambleImageSize);
} catch (Exception e) {
table.addCell("Error drawing scramble: " + e.getMessage());
l.log(
Level.WARNING,
"Error drawing scramble, if you're having font issues, try installing ttf-dejavu.",
e);
continue;
} finally {
g2.dispose(); // iTextPdf blows up if we do not dispose of this
}
PdfPCell imgCell = new PdfPCell(Image.getInstance(tp), true);
imgCell.setBackgroundColor(BaseColor.LIGHT_GRAY);
imgCell.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE);
imgCell.setHorizontalAlignment(PdfPCell.ALIGN_MIDDLE);
table.addCell(imgCell);
} else {
table.addCell("");
}
}
TableAndHighlighting tableAndHighlighting = new TableAndHighlighting();
tableAndHighlighting.table = table;
tableAndHighlighting.highlighting = highlight;
return tableAndHighlighting;
}
private static void addScrambles(
PdfWriter docWriter, Document doc, ScrambleRequest scrambleRequest, String globalTitle)
throws DocumentException, IOException {
if (scrambleRequest.fmc) {
Rectangle pageSize = doc.getPageSize();
for (int i = 0; i < scrambleRequest.scrambles.length; i++) {
String scramble = scrambleRequest.scrambles[i];
PdfContentByte cb = docWriter.getDirectContent();
float LINE_THICKNESS = 0.5f;
BaseFont bf =
BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
int bottom = 30;
int left = 35;
int right = (int) (pageSize.getWidth() - left);
int top = (int) (pageSize.getHeight() - bottom);
int height = top - bottom;
int width = right - left;
int solutionBorderTop = bottom + (int) (height * .5);
int scrambleBorderTop = solutionBorderTop + 40;
int competitorInfoBottom = top - (int) (height * .15);
int gradeBottom = competitorInfoBottom - 50;
int competitorInfoLeft = right - (int) (width * .45);
int rulesRight = competitorInfoLeft;
int padding = 5;
// Outer border
cb.setLineWidth(2f);
cb.moveTo(left, top);
cb.lineTo(left, bottom);
cb.lineTo(right, bottom);
cb.lineTo(right, top);
// Solution border
cb.moveTo(left, solutionBorderTop);
cb.lineTo(right, solutionBorderTop);
// Rules bottom border
cb.moveTo(left, scrambleBorderTop);
cb.lineTo(rulesRight, scrambleBorderTop);
// Rules right border
cb.lineTo(rulesRight, gradeBottom);
// Grade bottom border
cb.moveTo(competitorInfoLeft, gradeBottom);
cb.lineTo(right, gradeBottom);
// Competitor info bottom border
cb.moveTo(competitorInfoLeft, competitorInfoBottom);
cb.lineTo(right, competitorInfoBottom);
// Competitor info left border
cb.moveTo(competitorInfoLeft, gradeBottom);
cb.lineTo(competitorInfoLeft, top);
// Solution lines
int availableSolutionWidth = right - left;
int availableSolutionHeight = scrambleBorderTop - bottom;
int lineWidth = 25;
// int linesX = (availableSolutionWidth/lineWidth + 1)/2;
int linesX = 10;
int linesY = (int) Math.ceil(1.0 * WCA_MAX_MOVES_FMC / linesX);
cb.setLineWidth(LINE_THICKNESS);
cb.stroke();
// int allocatedX = (2*linesX-1)*lineWidth;
int excessX = availableSolutionWidth - linesX * lineWidth;
int moveCount = 0;
solutionLines:
for (int y = 0; y < linesY; y++) {
for (int x = 0; x < linesX; x++) {
if (moveCount >= WCA_MAX_MOVES_FMC) {
break solutionLines;
}
int xPos = left + x * lineWidth + (x + 1) * excessX / (linesX + 1);
int yPos = solutionBorderTop - (y + 1) * availableSolutionHeight / (linesY + 1);
cb.moveTo(xPos, yPos);
cb.lineTo(xPos + lineWidth, yPos);
moveCount++;
}
}
float UNDERLINE_THICKNESS = 0.2f;
cb.setLineWidth(UNDERLINE_THICKNESS);
cb.stroke();
cb.beginText();
int availableScrambleSpace = right - left - 2 * padding;
int scrambleFontSize = 20;
String scrambleStr = "Scramble: " + scramble;
float scrambleWidth;
do {
scrambleFontSize--;
scrambleWidth = bf.getWidthPoint(scrambleStr, scrambleFontSize);
} while (scrambleWidth > availableScrambleSpace);
cb.setFontAndSize(bf, scrambleFontSize);
int scrambleY =
3 + solutionBorderTop + (scrambleBorderTop - solutionBorderTop - scrambleFontSize) / 2;
cb.showTextAligned(PdfContentByte.ALIGN_LEFT, scrambleStr, left + padding, scrambleY, 0);
cb.endText();
int availableScrambleWidth = right - rulesRight;
int availableScrambleHeight = gradeBottom - scrambleBorderTop;
Dimension dim =
scrambleRequest.scrambler.getPreferredSize(
availableScrambleWidth - 2, availableScrambleHeight - 2);
PdfTemplate tp = cb.createTemplate(dim.width, dim.height);
Graphics2D g2 = new PdfGraphics2D(tp, dim.width, dim.height, new DefaultFontMapper());
try {
Svg svg = scrambleRequest.scrambler.drawScramble(scramble, scrambleRequest.colorScheme);
drawSvgToGraphics2D(svg, g2, dim);
} catch (InvalidScrambleException e) {
l.log(Level.INFO, "", e);
} finally {
g2.dispose();
}
cb.addImage(
Image.getInstance(tp),
dim.width,
0,
0,
dim.height,
rulesRight + (availableScrambleWidth - dim.width) / 2,
scrambleBorderTop + (availableScrambleHeight - dim.height) / 2);
ColumnText ct = new ColumnText(cb);
int fontSize = 15;
int marginBottom = 10;
int offsetTop = 27;
boolean showScrambleCount = scrambleRequest.scrambles.length > 1;
if (showScrambleCount) {
offsetTop -= fontSize + 2;
}
cb.beginText();
cb.setFontAndSize(bf, fontSize);
cb.showTextAligned(
PdfContentByte.ALIGN_CENTER,
globalTitle,
competitorInfoLeft + (right - competitorInfoLeft) / 2,
top - offsetTop,
0);
offsetTop += fontSize + 2;
cb.endText();
cb.beginText();
cb.setFontAndSize(bf, fontSize);
cb.showTextAligned(
PdfContentByte.ALIGN_CENTER,
scrambleRequest.title,
competitorInfoLeft + (right - competitorInfoLeft) / 2,
top - offsetTop,
0);
cb.endText();
if (showScrambleCount) {
cb.beginText();
offsetTop += fontSize + 2;
cb.setFontAndSize(bf, fontSize);
cb.showTextAligned(
PdfContentByte.ALIGN_CENTER,
"Scramble " + (i + 1) + " of " + scrambleRequest.scrambles.length,
competitorInfoLeft + (right - competitorInfoLeft) / 2,
top - offsetTop,
0);
cb.endText();
}
offsetTop += fontSize + marginBottom;
cb.beginText();
fontSize = 15;
cb.setFontAndSize(bf, fontSize);
cb.showTextAligned(
PdfContentByte.ALIGN_LEFT,
"Competitor: __________________",
competitorInfoLeft + padding,
top - offsetTop,
0);
offsetTop += fontSize + marginBottom;
cb.endText();
cb.beginText();
fontSize = 15;
cb.setFontAndSize(bf, fontSize);
cb.showTextAligned(
PdfContentByte.ALIGN_LEFT, "WCA ID:", competitorInfoLeft + padding, top - offsetTop, 0);
cb.setFontAndSize(bf, 19);
int wcaIdLength = 63;
cb.showTextAligned(
PdfContentByte.ALIGN_LEFT,
"_ _ _ _ _ _ _ _ _ _",
competitorInfoLeft + padding + wcaIdLength,
top - offsetTop,
0);
offsetTop += fontSize + (int) (marginBottom * 1.8);
cb.endText();
cb.beginText();
fontSize = 11;
cb.setFontAndSize(bf, fontSize);
cb.showTextAligned(
PdfContentByte.ALIGN_CENTER,
"DO NOT FILL IF YOU ARE THE COMPETITOR",
competitorInfoLeft + (right - competitorInfoLeft) / 2,
top - offsetTop,
0);
offsetTop += fontSize + marginBottom;
cb.endText();
cb.beginText();
fontSize = 11;
cb.setFontAndSize(bf, fontSize);
cb.showTextAligned(
PdfContentByte.ALIGN_CENTER,
"Graded by: _______________ Result: ______",
competitorInfoLeft + (right - competitorInfoLeft) / 2,
top - offsetTop,
0);
offsetTop += fontSize + marginBottom;
cb.endText();
cb.beginText();
cb.setFontAndSize(bf, 25f);
int MAGIC_NUMBER = 40; // kill me now
cb.showTextAligned(
PdfContentByte.ALIGN_CENTER,
"Fewest Moves",
left + (competitorInfoLeft - left) / 2,
top - MAGIC_NUMBER,
0);
cb.endText();
com.itextpdf.text.List rules = new com.itextpdf.text.List(com.itextpdf.text.List.UNORDERED);
rules.add("Notate your solution by writing one move per bar.");
rules.add("To delete moves, clearly erase/blacken them.");
rules.add("Face moves F, B, R, L, U, and D are clockwise.");
rules.add("Rotations x, y, and z follow R, U, and F.");
rules.add("' inverts a move; 2 doubles a move. (e.g.: U', U2)");
rules.add("w makes a face move into two layers. (e.g.: Uw)");
rules.add("A [lowercase] move is a cube rotation. (e.g.: [u])");
ct.addElement(rules);
int rulesTop = competitorInfoBottom + 55;
ct.setSimpleColumn(
left + padding,
scrambleBorderTop,
competitorInfoLeft - padding,
rulesTop,
0,
Element.ALIGN_LEFT);
ct.go();
rules = new com.itextpdf.text.List(com.itextpdf.text.List.UNORDERED);
rules.add("You have 1 hour to find a solution.");
rules.add("Your solution length will be counted in OBTM.");
int maxMoves = WCA_MAX_MOVES_FMC;
rules.add("Your solution must be at most " + maxMoves + " moves, including rotations.");
rules.add(
"Your solution must not be directly derived from any part of the scrambling algorithm.");
ct.addElement(rules);
MAGIC_NUMBER = 150; // kill me now
ct.setSimpleColumn(
left + padding,
scrambleBorderTop,
rulesRight - padding,
rulesTop - MAGIC_NUMBER,
0,
Element.ALIGN_LEFT);
ct.go();
doc.newPage();
}
} else {
Rectangle pageSize = doc.getPageSize();
float sideMargins = 100 + doc.leftMargin() + doc.rightMargin();
float availableWidth = pageSize.getWidth() - sideMargins;
float vertMargins = doc.topMargin() + doc.bottomMargin();
float availableHeight = pageSize.getHeight() - vertMargins;
if (scrambleRequest.extraScrambles.length > 0) {
availableHeight -= 20; // Yeee magic numbers. This should make space for the headerTable.
}
int scramblesPerPage =
Math.min(MAX_SCRAMBLES_PER_PAGE, scrambleRequest.getAllScrambles().size());
int maxScrambleImageHeight =
(int) (availableHeight / scramblesPerPage - 2 * SCRAMBLE_IMAGE_PADDING);
int maxScrambleImageWidth =
(int)
(availableWidth / 2); // We don't let scramble images take up more than half the page
if (scrambleRequest.scrambler.getShortName().equals("minx")) {
// TODO - If we allow the megaminx image to be too wide, the
// megaminx scrambles get really tiny. This tweak allocates
// a more optimal amount of space to the scrambles. This is possible
// because the scrambles are so uniformly sized.
maxScrambleImageWidth = 190;
}
Dimension scrambleImageSize =
scrambleRequest.scrambler.getPreferredSize(maxScrambleImageWidth, maxScrambleImageHeight);
// First do a dry run just to see if any scrambles require highlighting.
// Then do the real run, and force highlighting on every scramble
// if any scramble required it.
boolean forceHighlighting = false;
for (boolean dryRun : new boolean[] {true, false}) {
String scrambleNumberPrefix = "";
TableAndHighlighting tableAndHighlighting =
createTable(
docWriter,
doc,
sideMargins,
scrambleImageSize,
scrambleRequest.scrambles,
scrambleRequest.scrambler,
scrambleRequest.colorScheme,
scrambleNumberPrefix,
forceHighlighting);
if (dryRun) {
if (tableAndHighlighting.highlighting) {
forceHighlighting = true;
continue;
}
} else {
doc.add(tableAndHighlighting.table);
}
if (scrambleRequest.extraScrambles.length > 0) {
PdfPTable headerTable = new PdfPTable(1);
headerTable.setTotalWidth(new float[] {availableWidth});
headerTable.setLockedWidth(true);
PdfPCell extraScramblesHeader = new PdfPCell(new Paragraph("Extra scrambles"));
extraScramblesHeader.setVerticalAlignment(PdfPCell.ALIGN_MIDDLE);
extraScramblesHeader.setPaddingBottom(3);
headerTable.addCell(extraScramblesHeader);
if (!dryRun) {
doc.add(headerTable);
}
scrambleNumberPrefix = "E";
TableAndHighlighting extraTableAndHighlighting =
createTable(
docWriter,
doc,
sideMargins,
scrambleImageSize,
scrambleRequest.extraScrambles,
scrambleRequest.scrambler,
scrambleRequest.colorScheme,
scrambleNumberPrefix,
forceHighlighting);
if (dryRun) {
if (tableAndHighlighting.highlighting) {
forceHighlighting = true;
continue;
}
} else {
doc.add(extraTableAndHighlighting.table);
}
}
}
}
doc.newPage();
}