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Basic support for fill patterns in PDF
git-svn-id: svn://ultimatepp.org/upp/trunk@2467 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
rylek
parent
ff79702dff
commit
f6dfb12544
3 changed files with 138 additions and 14 deletions
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@ -5,7 +5,7 @@ NAMESPACE_UPP
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#define LDUMP(x) // DUMP(x)
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#define LLOG(x) // LOG(x)
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#define PDF_COMPRESS
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//#define PDF_COMPRESS
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#define USE_TTF
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dword PdfDraw::GetInfo() const
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@ -25,6 +25,7 @@ void PdfDraw::Init(int pagecx, int pagecy, int _margin)
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pgsz.cx = pagecx;
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pgsz.cy = pagecy;
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pgsz += margin;
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StartPage();
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}
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void PdfDraw::Clear()
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@ -78,10 +79,23 @@ int PdfDraw::PutStream(const String& data, const String& keys)
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return offset.GetCount();
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}
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void PdfDraw::PutrgColor(Color rg)
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void PdfDraw::PutrgColor(Color rg, uint64 pattern)
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{
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if(IsNull(rgcolor) || rg != rgcolor)
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page << PdfColor(rgcolor = rg) << " rg\n";
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if(IsNull(rgcolor) || rg != rgcolor || pattern != patternid) {
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if(!pattern) {
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page << PdfColor(rg) << " rg\n";
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}
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else {
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int f = patterns.FindAdd(pattern);
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if(!patternid)
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page << "/Cspat cs\n";
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page << PdfColor(rg) <<
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" /Pat" << (f + 1) << " scn\n";
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}
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}
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rgcolor = rg;
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patternid = pattern;
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}
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void PdfDraw::PutRGColor(Color RG)
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@ -101,6 +115,7 @@ void PdfDraw::StartPage()
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{
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rgcolor = RGcolor = Null;
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fontid = -1;
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patternid = 0;
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textht = Null;
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linewidth = -1;
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if(margin)
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@ -123,6 +138,7 @@ void PdfDraw::BeginOp()
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void PdfDraw::EndOp()
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{
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fontid = -1;
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patternid = 0;
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textht = Null;
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rgcolor = RGcolor = Null;
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linewidth = -1;
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@ -514,8 +530,8 @@ void PdfDraw::DrawPolyPolyPolygonOp(const Point *vertices, int vertex_count,
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const int *disjunct_polygon_counts, int disjunct_polygon_count_count,
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Color color, int width, Color outline, uint64 pattern, Color doxor)
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{
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bool fill = !IsNull(color), stroke = !IsNull(outline) && !IsNull(width);
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if(fill) PutrgColor(color);
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bool fill = !IsNull(color) && ~pattern, stroke = !IsNull(outline) && !IsNull(width);
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if(fill) PutrgColor(color, pattern);
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if(stroke) { PutRGColor(outline); PutLineWidth(width); }
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if(!fill && !stroke) return;
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const char *closeop = (fill & stroke ? "B*" : fill ? "f*" : "S");
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@ -573,7 +589,7 @@ String GetGrayPdfImage(const Image& m, const Rect& sr)
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String PdfDraw::Finish()
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{
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if(!IsNull(page))
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if(page.GetLength())
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PutStream(page);
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int pagecount = offset.GetCount();
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@ -663,6 +679,98 @@ String PdfDraw::Finish()
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imageobj << PutStream(data, imgobj);
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}
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int patcsobj = -1;
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int patresobj = -1;
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if(!patterns.IsEmpty()) {
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patcsobj = BeginObj();
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out << "[/Pattern /DeviceRGB]\n";
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EndObj();
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patresobj = BeginObj();
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out << "<< >>\n";
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EndObj();
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}
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Vector<int> patternobj;
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patternobj.SetCount(patterns.GetCount(), -1);
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for(int i = 0; i < patterns.GetCount(); i++) {
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uint64 pat = patterns[i];
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StringBuffer ptk;
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ptk <<
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"/Type /Pattern\n"
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"/PatternType 1\n"
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"/PaintType 2\n"
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"/TilingType 3\n"
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"/BBox [-1 -1 9 9]\n"
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"/XStep 8\n"
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"/YStep 8\n"
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"/Resources " << patresobj << " 0 R\n"
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"/Matrix [0.75 0.0 0.0 0.75 0.0 0.0]\n" // pattern pixels -> dots
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;
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StringBuffer ptd;
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for(int y = 0; y < 8; y++) {
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for(int x = 0; x < 8; x++) {
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int b = 8 * y + x, e, lim;
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if(!((pat >> b) & 1)) {
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e = 0;
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lim = 8 - x;
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while(++e < lim && !((pat >> (b + e)) & 1))
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pat |= (uint64(1) << (b + e));
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if(e > 1)
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ptd << x << ' ' << (7 - y) << ' ' << e << " 1 re f\n";
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else {
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e = 0;
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lim = 8 - y;
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while(++e < lim && !((pat >> (b + 8 * e)) & 1))
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pat |= (uint64(1) << (b + 8 * e));
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if(e - y > 1)
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ptd << x << ' ' << (7 - y - e) << " 1 " << e << " re f\n";
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else {
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e = 0;
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lim = 8 - max(x, y);
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while(++e < lim && !((pat >> (b + 9 * e)) & 1))
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pat |= (uint64(1) << (b + 9 * e));
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if(e > 1) {
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ptd
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<< FormatDouble(x - 0.25, 2) << " "
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<< FormatDouble(7.75 - y, 2) << " m\n"
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<< FormatDouble(x + 0.25, 2) << " "
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<< FormatDouble(8.25 - y, 2) << " l\n"
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<< FormatDouble(x + e + 0.25, 2) << " "
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<< FormatDouble(8.25 - y - e, 2) << " l\n"
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<< FormatDouble(x + e - 0.25, 2) << " "
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<< FormatDouble(7.75 - y - e, 2) << " l\n"
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<< "f\n";
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}
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else {
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e = 0;
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lim = 8 - max(7 - x, y);
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while(++e < lim && !((pat >> (b + 7 * e)) & 1))
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pat |= (uint64(1) << (b + 7 * e));
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if(e > 1) {
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ptd
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<< FormatDouble(x + 1.25, 2) << " "
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<< FormatDouble(7.75 - y, 2) << " m\n"
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<< FormatDouble(x + 0.75, 2) << " "
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<< FormatDouble(8.25 - y, 2) << " l\n"
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<< FormatDouble(x - e + 0.75, 2) << " "
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<< FormatDouble(8.25 - y - e, 2) << " l\n"
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<< FormatDouble(x - e + 1.25, 2) << " "
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<< FormatDouble(7.75 - y - e, 2) << " l\n"
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<< "f\n";
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}
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else {
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ptd << x << ' ' << (7 - y) << " 1 1 re f\n";
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}
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}
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}
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}
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}
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}
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}
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patternobj[i] = PutStream(ptd, ptk);
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}
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/*
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Vector<int> rgobj;
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Vector<Size> rgsz;
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@ -858,11 +966,20 @@ String PdfDraw::Finish()
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EndObj();
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int resources = BeginObj();
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out << "<< /Font " << fonts << " 0 R /ProcSet [ /PDF /Text /ImageB /ImageC ]";
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out << "<< /Font " << fonts << " 0 R\n"
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"/ProcSet [ /PDF /Text /ImageB /ImageC ]\n";
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if(imageobj.GetCount()) {
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out << " /XObject << ";
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out << "/XObject << ";
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for(int i = 0; i < imageobj.GetCount(); i++)
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out << "/Image" << i + 1 << ' ' << imageobj[i] << " 0 R ";
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out << "/Image" << (i + 1) << ' ' << imageobj[i] << " 0 R ";
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out << ">>\n";
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}
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if(!patternobj.IsEmpty()) {
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out <<
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"/ColorSpace << /Cspat " << patcsobj << " 0 R >>\n"
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"/Pattern << ";
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for(int i = 0; i < patterns.GetCount(); i++)
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out << "/Pat" << (i + 1) << ' ' << patternobj[i] << " 0 R ";
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out << ">>\n";
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}
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out << ">>\n";
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@ -271,10 +271,11 @@ private:
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VectorMap<Font, VectorMap<wchar, CharPos> > fontchars;
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Vector<Image> image;
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Vector<Rect> imagerect;
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Index<uint64> patterns;
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Vector<int> offset;
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String out;
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String page;
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Vector<int> offset;
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StringBuffer out;
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StringBuffer page;
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Size pgsz;
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Color rgcolor;
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Color RGcolor;
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@ -282,6 +283,7 @@ private:
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double textht;
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double linewidth;
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int margin;
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uint64 patternid;
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inline double Pt(double dot) { return 0.12 * dot; }
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@ -291,7 +293,7 @@ private:
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int PutStream(const String& data, const String& keys = Null);
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void PutRect(const Rect& rc);
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void PutrgColor(Color rg);
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void PutrgColor(Color rg, uint64 pattern = 0);
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void PutRGColor(Color RG);
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void PutFontHeight(int fi, double ht);
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void PutLineWidth(int lw);
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5
uppsrc/TCtrlLib/Help/init
Normal file
5
uppsrc/TCtrlLib/Help/init
Normal file
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@ -0,0 +1,5 @@
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#ifndef _TCtrlLib_Help_icpp_init_stub
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#define _TCtrlLib_Help_icpp_init_stub
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#include "TCtrlLib/init"
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#include "RichText/init"
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#endif
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