// origbbには，GhostscriptのsDevice=bboxで得られた値を入れておく。
// 空ページはdeleteemptypages = trueならば消されるが，falseならばダミーのページが挿入される．
// ついでに塗る．
// crop = falseならば塗ることしかしない．
bool pdfcrop(string inputFileName, string outputFileName, bool use_bp, List<int> pages, List<BoundingBoxPair> origbb, bool drawback = true, bool deleteemptypages = false, bool crop = true, int version = -1) {
var colorstr =
((double)Properties.Settings.Default.backgroundColor.R / 255).ToString() + " " +
((double)Properties.Settings.Default.backgroundColor.G / 255).ToString() + " " +
((double)Properties.Settings.Default.backgroundColor.B / 255).ToString();
System.Diagnostics.Debug.Assert(pages.Count == origbb.Count);
var tmpfile = TempFilesDeleter.GetTempFileName(".tex", workingDir);
if (tmpfile == null) return false;
tempFilesDeleter.AddTeXFile(tmpfile);
tempFilesDeleter.AddFile(outputFileName);
var bbBox = new List<BoundingBox>();
for (int i = 0; i < pages.Count; ++i) {
BoundingBoxPair bb;
if (origbb[i] == null) {
bb = readPDFBB(inputFileName, pages[i]);
} else {
bb = origbb[i];
}
if (bb == null) return false;
var rect = AddMargineToBoundingBox(bb.hiresbb, use_bp);
if (rect.IsEmpty && !deleteemptypages) rect = new BoundingBox(0, 0, 10, 10);// dummy
bbBox.Add(rect);
}
using (var fw = new StreamWriter(Path.Combine(workingDir, tmpfile))) {
fw.WriteLine(@"\pdfoutput=1\relax");
if (version != -1) fw.WriteLine(@"\pdfminorversion=" + (version - 10).ToString() + @"\relax");
for (int i = 0; i < pages.Count; ++i) {
var box = bbBox[i];
if (!box.IsEmpty) {
var page = pages[i];
fw.WriteLine(@"\pdfximage page " + page.ToString() + " mediabox{" + inputFileName + @"}");
fw.Write(@"\setbox0=\hbox{");
if (drawback) {
fw.Write(@"\pdfliteral{q " + colorstr + " rg n " +
box.Left.ToString() + " " + box.Bottom.ToString() + " " +
box.Width.ToString() + " " + box.Height.ToString() + " re f Q}");
}
fw.WriteLine(@"\pdfrefximage\pdflastximage}\relax");
if (crop) {
fw.WriteLine(@"\pdfhorigin=" + (-box.Left).ToString() + @"bp\relax");
fw.WriteLine(@"\pdfvorigin=" + box.Bottom.ToString() + @"bp\relax");
fw.WriteLine(@"\pdfpagewidth=" + (box.Right - box.Left).ToString() + @"bp\relax");
fw.WriteLine(@"\pdfpageheight=" + (box.Top - box.Bottom).ToString() + @"bp\relax");
fw.WriteLine(@"\ht0=\pdfpageheight\relax");
} else {
fw.WriteLine(@"\pdfhorigin=0pt\relax");
fw.WriteLine(@"\pdfvorigin=0pt\relax");
fw.WriteLine(@"\pdfpagewidth=\wd0\relax");
fw.WriteLine(@"\pdfpageheight=\ht0\relax");
}
fw.WriteLine(@"\shipout\box0\relax");
}
}
fw.WriteLine(@"\bye");
}
using (var proc = GetProcess()) {
proc.StartInfo.FileName = GetpdftexPath();
proc.StartInfo.Arguments = "-no-shell-escape -interaction=nonstopmode \"" + tmpfile + "\"";
try {
printCommandLine(proc);
ReadOutputs(proc, Properties.Resources.EXEC_PDFTEX);
}
catch (Win32Exception) {
if (controller_ != null) controller_.showPathError("pdftex.exe", String.Format(Properties.Resources.TEX_DISTRIBUTION,"pdftex"));
return false;
}
catch (TimeoutException) { return false; }
}
if (File.Exists(Path.Combine(workingDir, Path.GetFileNameWithoutExtension(tmpfile) + ".pdf"))) {
File.Delete(Path.Combine(workingDir, outputFileName));
File.Move(Path.Combine(workingDir, Path.GetFileNameWithoutExtension(tmpfile) + ".pdf"), Path.Combine(workingDir, outputFileName));
} else {
if (controller_ != null) controller_.showGenerateError();
return false;
}
return true;
}
void rewriteBB(string inputEpsFileName, Func<BoundingBox, BoundingBox> bb, Func<BoundingBox, BoundingBox> hiresbb) {
Regex regexBB = new Regex(@"^\%\%(HiRes|)BoundingBox\: ([-\d\.]+) ([-\d\.]+) ([-\d\.]+) ([-\d\.]+)$");
byte[] inbuf;
using (var fs = new FileStream(Path.Combine(workingDir, inputEpsFileName), FileMode.Open, FileAccess.Read)) {
if (!fs.CanRead) return;
inbuf = new byte[fs.Length];
fs.Read(inbuf, 0, (int)fs.Length);
}
var s = System.Text.UTF8Encoding.UTF8.GetString(inbuf);
byte[] outbuf = new byte[inbuf.Length + 200];
byte[] tmpbuf;
// 現在読んでいるinufの「行」の先頭
int inp = 0;
// inbufの現在読んでいる場所
int q = 0;
// outbufに書き込んだ量
int outp = 0;
bool bbfound = false, hiresbbfound = false;
while (q < inbuf.Length) {
if (q == inbuf.Length - 1 || inbuf[q] == '\r' || inbuf[q] == '\n') {
string line = System.Text.Encoding.ASCII.GetString(inbuf, inp, q - inp);
Match match = regexBB.Match(line);
if (match.Success) {
BoundingBox bbinfile = new BoundingBox(
System.Convert.ToDecimal(match.Groups[2].Value),
System.Convert.ToDecimal(match.Groups[3].Value),
System.Convert.ToDecimal(match.Groups[4].Value),
System.Convert.ToDecimal(match.Groups[5].Value));
string HiRes = match.Groups[1].Value;
if (HiRes == "") {
bbfound = true;
var newbb = bb(bbinfile);
line = String.Format("%%BoundingBox: {0} {1} {2} {3}", (int)newbb.Left, (int)newbb.Bottom, (int)newbb.Right, (int)newbb.Top);
} else {
hiresbbfound = true;
var newbb = hiresbb(bbinfile);
line = String.Format("%%HiResBoundingBox: {0} {1} {2} {3}", newbb.Left, newbb.Bottom, newbb.Right, newbb.Top);
}
tmpbuf = System.Text.Encoding.ASCII.GetBytes(line);
System.Array.Copy(tmpbuf, 0, outbuf, outp, tmpbuf.Length);
outp += tmpbuf.Length;
if (bbfound && hiresbbfound) {
System.Array.Copy(inbuf, q, outbuf, outp, inbuf.Length - q);
outp += inbuf.Length - q;
break;
}
} else {
System.Array.Copy(inbuf, inp, outbuf, outp, q - inp);
outp += q - inp;
}
inp = q;
while (q < inbuf.Length - 1 && (inbuf[q] == '\r' || inbuf[q] == '\n')) ++q;
System.Array.Copy(inbuf, inp, outbuf, outp, q - inp);
outp += q - inp;
inp = q;
if (q == inbuf.Length - 1) break;
} else ++q;
}
using (FileStream wfs = new System.IO.FileStream(Path.Combine(workingDir, inputEpsFileName), FileMode.Create, FileAccess.Write)) {
var ss = System.Text.UTF8Encoding.UTF8.GetString(outbuf, 0, outp);
wfs.Write(outbuf, 0, outp);
}
}
BoundingBox AddMargineToBoundingBox(BoundingBox bb, bool use_bp) {
decimal margindevide = use_bp ? 1 : Properties.Settings.Default.resolutionScale;
return new BoundingBox(
bb.Left - Properties.Settings.Default.leftMargin / margindevide,
bb.Bottom - Properties.Settings.Default.bottomMargin / margindevide,
bb.Right + Properties.Settings.Default.rightMargin / margindevide,
bb.Top + Properties.Settings.Default.topMargin / margindevide);
}
List<BoundingBoxPair> readPDFBB(string inputPDFFileName, int firstpage, int lastpage) {
System.Diagnostics.Debug.Assert(lastpage >= firstpage);
string arg;
var gspath = setProcStartInfo(Properties.Settings.Default.gsPath, out arg);
using (var proc = GetProcess()) {
proc.StartInfo.FileName = gspath;
proc.StartInfo.Arguments = arg + "-q -dBATCH -dNOPAUSE -sDEVICE=bbox ";
/*
if(Properties.Settings.Default.pagebox != "media") {
var box = Properties.Settings.Default.pagebox;
proc.StartInfo.Arguments += "-dUse" + Char.ToUpper(box[0]) + box.Substring(1) + "Box ";
}*/
proc.StartInfo.Arguments += "-dFirstPage=" + firstpage.ToString() + " -dLastPage=" + lastpage.ToString() + " \"" + inputPDFFileName + "\"";
var rv = new List<BoundingBoxPair>();
Regex regexBB = new Regex(@"^\%\%(HiRes)?BoundingBox\: ([-\d\.]+) ([-\d\.]+) ([-\d\.]+) ([-\d\.]+)$");
BoundingBox? bb = null;
BoundingBox? hiresbb = null;
Action<string> err_read = line => {
if (controller_ != null) controller_.appendOutput(line + "\n");
var match = regexBB.Match(line);
if (match.Success) {
var currentbb = new BoundingBox(
System.Convert.ToDecimal(match.Groups[2].Value),
System.Convert.ToDecimal(match.Groups[3].Value),
System.Convert.ToDecimal(match.Groups[4].Value),
System.Convert.ToDecimal(match.Groups[5].Value));
if (match.Groups[1].Value == "HiRes") {
hiresbb = currentbb;
} else {
bb = currentbb;
}
if (bb != null && hiresbb != null) {
rv.Add(new BoundingBoxPair(bb.Value, hiresbb.Value));
bb = null; hiresbb = null;
}
}
};
try {
printCommandLine(proc);
ReadOutputs(proc, Properties.Resources.GET_BOUNDINGBOX, s => { System.Diagnostics.Debug.WriteLine(s); }, err_read);
if (controller_ != null) controller_.appendOutput("\n");
if (rv.Count != lastpage - firstpage + 1) return null;
else return rv;
}
catch (Win32Exception) {
if (controller_ != null) controller_.showPathError(gspath, "Ghostscript");
return null;
}
catch (TimeoutException) { return null; }
}
}
List<BoundingBoxPair> readPDFBox(string inputPDFFileName, List<int> pages, string boxname) {
try {
using (var mupdf = new MuPDF(Path.Combine(GetToolsPath(), "mudraw.exe"))) {
if (controller_ != null) controller_.appendOutput("Getting the size of PDFBox...\n");
var rv = new List<BoundingBoxPair>();
var doc = mupdf.Execute<int>("open_document", Path.Combine(workingDir, inputPDFFileName));
if (doc == 0) return null;
foreach (var p in pages) {
if (abort) {
if (controller_ != null) controller_.appendOutput(Properties.Resources.STOPCONVERTMSG + "\n");
return null;
}
int rotate = 0;
BoundingBox box = new BoundingBox(), media = new BoundingBox();
const int repeatTimes = 10;
for (int i = 1; i <= repeatTimes; ++i) {
try {
var page = mupdf.Execute<int>("load_page", doc, p - 1);
media = mupdf.Execute< BoundingBox>("pdfbox_page", page, "media");
box = mupdf.Execute<BoundingBox>("pdfbox_page", page, boxname);
rotate = mupdf.Execute<int>("rotate_page", page);
break;
}
catch (Exception) {
mupdf.ClearError();
if (i == repeatTimes) throw;
}
}
BoundingBox bb;
switch (rotate) {
default:
case 0:
bb = new BoundingBox(box.Left - media.Left, box.Bottom - media.Bottom, box.Right - media.Left, box.Top - media.Bottom);
break;
case 90:
bb = new BoundingBox(box.Bottom - media.Bottom, media.Right - box.Right, box.Top - media.Bottom, media.Right - box.Left);
break;
case 180:
bb = new BoundingBox(media.Right - box.Right, media.Top - box.Top, media.Right - box.Left, media.Top - box.Bottom);
break;
case 270:
bb = new BoundingBox(media.Top - box.Top, box.Left - media.Left, media.Top - box.Bottom, box.Right - media.Left);
break;
}
if (controller_ != null) controller_.appendOutput(bb.ToString() + " (Page " + p + ")\n");
rv.Add(new BoundingBoxPair(bb.HiresBBToBB(), bb));
}
if (controller_ != null) controller_.appendOutput("\n");
return rv;
}
}
catch (Exception e) {
if (controller_ != null) controller_.appendOutput(e.Message + "\n");
#if DEBUG
System.Diagnostics.Debug.WriteLine(e.StackTrace);
#endif
return null;
}
}
private BoundingBoxPair readBB(string inputEpsFileName) {
Regex regex = new Regex(@"^\%\%(HiRes)?BoundingBox\: ([-\d\.]+) ([-\d\.]+) ([-\d\.]+) ([-\d\.]+)$");
BoundingBox? bb = null;
BoundingBox? hiresbb = null;
using (StreamReader sr = new StreamReader(Path.Combine(workingDir, inputEpsFileName), Encoding.GetEncoding("shift_jis"))) {
string line;
while ((line = sr.ReadLine()) != null) {
Match match = regex.Match(line);
if (match.Success) {
var cb = new BoundingBox(
System.Convert.ToDecimal(match.Groups[2].Value),
System.Convert.ToDecimal(match.Groups[3].Value),
System.Convert.ToDecimal(match.Groups[4].Value),
System.Convert.ToDecimal(match.Groups[5].Value));
if (match.Groups[1].Value == "HiRes") {
hiresbb = cb;
} else {
bb = cb;
}
if (bb != null && hiresbb != null) break;
}
}
}
if (bb == null && hiresbb == null) return null;
if (hiresbb == null) hiresbb = bb.Value;
else if (bb == null) bb = hiresbb.Value.HiresBBToBB();
return new BoundingBoxPair(bb.Value, hiresbb.Value);
}
public BoundingBoxPair(BoundingBox b, BoundingBox h) {
bb = b; hiresbb = h;
}
