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See if we can better handle book paging to fit more context on a line, without causing text loss after reaching character limit.
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@ -10,6 +10,9 @@ import java.util.Map;
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public class BookPager
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{
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private final transient IText text;
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final double pageMax = 254;
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final double charMax = 18.5;
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final int lineMax = 12;
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public BookPager(final IText text)
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{
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@ -41,16 +44,20 @@ public class BookPager
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}
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}
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List<String> pages = new ArrayList<String>();
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double pageLength = 0;
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for (int lineNo = chapterstart; lineNo < chapterend; lineNo += 1)
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{
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String pageLine = "\u00a70" + lines.get(lineNo);
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String pageLine = lines.get(lineNo);
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String tempLine;
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final double max = 18;
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final int lineLength = pageLine.length();
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double length = 0;
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int pointer = 0;
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int start = 0;
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double weight = 1;
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boolean forcePageEnd = false;
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while (pointer < lineLength)
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{
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@ -63,24 +70,40 @@ public class BookPager
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continue;
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}
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if (length >= max || (letter == '\u00a7' && length + 1 >= max))
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if (pageLength >= pageMax)
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{
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length = charMax;
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pageLength = 0;
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forcePageEnd = true;
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}
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if (length >= charMax || (letter == '\u00a7' && length + 1 >= charMax))
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{
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int pos = pointer;
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int rollback = 0;
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while (pos > start && pageLine.charAt(pos) != ' ' && pageLine.charAt(pos) != "\n".charAt(0))
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{
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rollback++;
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pos--;
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}
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if (pos != start)
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{
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pointer = pos;
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pageLength -= rollback;
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}
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tempLine = pageLine.substring(start, pointer);
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pageLines.add(tempLine);
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buildPage(pages, pageLines, forcePageEnd);
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forcePageEnd = false;
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start = pointer;
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length = 0;
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pageLength += 1;
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}
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pageLength++;
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if (letter == '\u00a7' && pointer + 1 < lineLength)
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{
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Character nextLetter = pageLine.charAt(pointer + 1);
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@ -94,17 +117,26 @@ public class BookPager
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}
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pointer++;
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}
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else if (letter == 'i' || letter == '.' || letter == ',')
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else if (letter == 'i' || letter == '.' || letter == ',' || letter == '!' || letter == ':' || letter == ';' || letter == '|')
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{
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length += (0.4 * weight);
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length += (0.34 * weight);
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}
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else if (letter == 'l')
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else if (letter == 'l' || letter == '\'' || letter == '`')
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{
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length += (0.6 * weight);
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length += (0.53 * weight);
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}
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else if (letter == ' ' || letter == 't')
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else if (letter == ' ' || letter == 't' || letter == 'I' || letter == '[' || letter == ']')
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{
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length += (0.7 * weight);
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length += (0.69 * weight);
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}
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else if (letter == 'f' || letter == 'k' || letter == '"' || letter == '*'
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|| letter == '(' || letter == ')' || letter == '{' || letter == '}' || letter == '<' || letter == '>')
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{
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length += (0.85 * weight);
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}
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else if (letter == '@' || letter == '~')
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{
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length += (1.2 * weight);
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}
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else
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{
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@ -117,21 +149,25 @@ public class BookPager
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{
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tempLine = pageLine.substring(start, lineLength);
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pageLines.add(tempLine);
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buildPage(pages, pageLines, false);
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}
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}
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List<String> pages = new ArrayList<String>();
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for (int count = 0; count < pageLines.size(); count += 12)
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{
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StringBuilder newPage = new StringBuilder();
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for (int i = count; i < count + 12 && i < pageLines.size(); i++)
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{
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newPage.append(pageLines.get(i)).append("\n");
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}
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pages.add(newPage.toString());
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}
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buildPage(pages, pageLines, true);
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return pages;
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}
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void buildPage(List<String> pages, List<String> lines, boolean override)
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{
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if (override || lines.size() > lineMax)
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{
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StringBuilder newPage = new StringBuilder();
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for (String aline : lines)
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{
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newPage.append(aline).append("\n");
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}
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pages.add(newPage.toString());
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lines.clear();
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}
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}
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}
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