mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-08-24 06:12:52 -06:00
PdfDraw: Developing color glyph support
This commit is contained in:
Mirek Fidler
parent
5b634b8081
commit
dcf3117643
3 changed files with 220 additions and 167 deletions
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@ -9,7 +9,6 @@ namespace Upp {
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#define PDF_COMPRESS
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dword PdfDraw::GetInfo() const
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{
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return DOTS|DRAWTEXTLINES;
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@ -402,19 +401,28 @@ PdfDraw::RGlyph PdfDraw::RasterGlyph(Font fnt, int chr)
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int r = fi.GetRightSpace(chr);
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if(r < 0)
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rg.sz.cx -= r;
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RasterFormat fmt;
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fmt.Set1mf();
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int linebytes = fmt.GetByteCount(rg.sz.cx);
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Buffer<byte> ob(linebytes);
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int y = 0;
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while(y < rg.sz.cy) {
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int ccy = min(16, rg.sz.cy - y);
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Image m = RenderGlyph(rg.sz.cx, rg.x, fnt, chr, y, ccy, Black(), White());
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for(int i = 0; i < m.GetHeight(); i++) {
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fmt.Write(ob, m[i], rg.sz.cx, NULL);
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rg.data.Cat((const char *)~ob, linebytes);
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if(false) {
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Image m[2];
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for(int i = 0; i < 2; i++)
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m[i] = RenderGlyph(rg.sz.cx, rg.x, fnt, chr, 0, rg.sz.cy, Blue(), i ? Black() : White());
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Image cm = RecreateAlpha(m[0], m[1]);
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rg.color_image = PdfImage(cm, cm.GetSize());
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}
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else {
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RasterFormat fmt;
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fmt.Set1mf();
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int linebytes = fmt.GetByteCount(rg.sz.cx);
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Buffer<byte> ob(linebytes);
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int y = 0;
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while(y < rg.sz.cy) {
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int ccy = min(16, rg.sz.cy - y);
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Image m = RenderGlyph(rg.sz.cx, rg.x, fnt, chr, y, ccy, Black(), White());
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for(int i = 0; i < m.GetHeight(); i++) {
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fmt.Write(ob, m[i], rg.sz.cx, NULL);
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rg.data.Cat((const char *)~ob, linebytes);
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}
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y += ccy;
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}
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y += ccy;
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}
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return rg;
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}
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@ -451,18 +459,24 @@ void DrawJPEG(Draw& w, int x, int y, int cx, int cy, const String& jpeg_data)
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w.DrawImage(x, y, cx, cy, sJPEGDummy());
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}
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void PdfDraw::DrawImageOp(int x, int y, int cx, int cy, const Image& _img, const Rect& src, Color c)
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int PdfDraw::PdfImage(const Image& img, const Rect& src)
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{
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Image img = _img;
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if(!IsNull(c))
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img = CachedSetColorKeepAlpha(img, c);
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Tuple2<int64, Rect> key = MakeTuple(img.GetSerialId(), src);
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int q = images.Find(key);
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if(q < 0) {
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q = images.GetCount();
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images.Add(key, img);
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}
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return q;
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}
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void PdfDraw::DrawImageOp(int x, int y, int cx, int cy, const Image& _img, const Rect& src, Color c)
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{
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Image img = _img;
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if(!IsNull(c))
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img = CachedSetColorKeepAlpha(img, c);
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int q = PdfImage(img, src);
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if(img.GetSerialId() == sJPEGDummy().GetSerialId())
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jpeg.Add(data);
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@ -603,6 +617,57 @@ String PdfDraw::Finish(const PdfSignatureInfo *sign)
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int pagecount = offset.GetCount();
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// we need to generate raster glyph char procs before images because we need alpha image
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// for color emojis
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Vector<int> charprocs;
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for(int i = 0; i < pdffont.GetCount(); i++) {
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Font fnt = pdffont.GetKey(i);
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if(fnt.GetHeight() != FONTHEIGHT_TTF) {
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int t3ch = offset.GetCount() + 1;
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int fa = fnt.GetCy() - fnt.GetInternal();
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String res;
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const Vector<wchar>& cs = pdffont[i];
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for(int c = 0; c < cs.GetCount(); c++) {
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RGlyph rg = RasterGlyph(fnt, pdffont[i][c]);
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String proc;
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if(rg.color_image >= 0)
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proc << 1000 * fnt[cs[c]] / fa << " 0 d0\n";
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else
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proc
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<< 1000 * fnt[cs[c]] / fa << " 0 0 "
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<< -1000 * fnt.GetDescent() / fa << ' '
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<< 1000 * (rg.sz.cx + rg.x) / fa << ' '
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<< 1000 * rg.sz.cy / fa
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<< " d1\n";
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proc
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<< "q "
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<< 1000 * rg.sz.cx / fa
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<< " 0 0 "
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<< 1000 * rg.sz.cy / fa
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<< " "
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<< -1000 * rg.x / fa
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<< " "
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<< -1000 * fnt.GetDescent() / fa
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<< " cm"
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;
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if(rg.color_image >= 0)
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proc << " /Image" << rg.color_image + 1 << " Do Q";
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else
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proc << " BI /W " << rg.sz.cx << " /H " << rg.sz.cy
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<< " /BPC 1 /IM true /D [0 1]"
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<< " ID\n" << rg.data
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<< "\nEI Q";
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PutStream(proc);
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}
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charprocs.At(i) = BeginObj();
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out << "<<";
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for(int c = 0; c < cs.GetCount(); c++)
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out << " /Rgch" << c << ' ' << t3ch + c<< " 0 R";
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out << " >>\n";
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EndObj();
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}
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}
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Vector<int> imageobj;
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int jpegi = 0;
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for(int i = 0; i < images.GetCount(); i++) {
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@ -709,7 +774,137 @@ String PdfDraw::Finish(const PdfSignatureInfo *sign)
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out << "<< >>\n";
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EndObj();
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}
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Vector<int> fontobj;
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for(int i = 0; i < pdffont.GetCount(); i++) {
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Font fnt = pdffont.GetKey(i);
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const Vector<wchar>& cs = pdffont[i];
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String cmap;
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cmap <<
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"/CIDInit /ProcSet findresource begin\n"
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"12 dict begin\n"
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"begincmap\n"
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"/CIDSystemInfo\n"
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"<< /Registry (Adobe)\n"
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"/Ordering (UCS)\n"
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"/Supplement 0\n"
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">> def\n"
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"/CMapName /UCS" << i << " def\n"
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"/CMapType 2 def\n"
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"1 begincodespacerange\n"
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"<00> <" << FormatIntHex(cs.GetCount() - 1, 2) << ">\n"
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"endcodespacerange\n"
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"1 beginbfrange\n"
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"<00> <" << FormatIntHex(cs.GetCount() - 1, 2) << ">\n"
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"[\n";
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for(int c = 0; c < cs.GetCount(); c++)
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cmap << '<' << FormatIntHex(cs[c], 4) << ">\n";
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cmap <<
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"]\n"
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"endbfrange\n"
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"endcmap\n"
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"CMapName currentdict /CMap defineresource pop\n"
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"end\n"
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"end\n";
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int cmapi = PutStream(cmap);
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if(fnt.GetHeight() != FONTHEIGHT_TTF) {
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int encoding = BeginObj();
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out << "<< /Type /Encoding /Differences [0";
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for(int c = 0; c < cs.GetCount(); c++)
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out << " /Rgch" << c;
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out << "] >>\n";
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EndObj();
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int resources = BeginObj();
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out << "<< /ProcSet [ /PDF /Text /ImageB /ImageC ]\n";
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if(imageobj.GetCount()) {
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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 << ">>\n";
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}
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out << ">>\n";
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EndObj();
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fontobj.Add() = BeginObj();
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out <<
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"<< /Name /F" << i + 1 <<
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" /Type /Font\n"
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"/Subtype /Type3\n"
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"/FontBBox [0 0 0 0]\n"
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"/FontMatrix [0.001 0 0 0.001 0 0]\n"
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"/CharProcs " << charprocs[i] << " 0 R\n"
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"/Encoding " << encoding << " 0 R\n"
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"/FirstChar 0\n"
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"/LastChar " << cs.GetCount() - 1 << "\n"
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"/Widths [";
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int fa = fnt.GetCy() - fnt.GetInternal();
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for(int i = 0; i < cs.GetCount(); i++)
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out << ' ' << 1000 * fnt[cs[i]] / fa;
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out <<
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"]\n";
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out << "/Resources " << resources << " 0 R\n"
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<< "/FirstChar 0 /LastChar " << cs.GetCount() - 1 <<" /ToUnicode "
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<< cmapi
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<< " 0 R\n>>\n";
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EndObj();
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}
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else {
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TTFReader ttf;
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if(!ttf.Open(pdffont.GetKey(i)))
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return Null;
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String name = FormatIntAlpha(i + 1, true);
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name.Cat('A', 6 - name.GetLength());
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name << '+' << ttf.ps_name;
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int fonti = PutStream(ttf.Subset(cs));
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BeginObj();
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int ascent = ttf.hhea.ascent * 1000 / ttf.head.unitsPerEm;
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int descent = ttf.hhea.descent * 1000 / ttf.head.unitsPerEm;
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out <<
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"<< /Type /FontDescriptor\n"
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"/FontName /" << name << "\n"
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"/Flags 4\n"
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"/FontBBox [ -1000 " << descent << " 3000 " << ascent << " ]\n" //?????
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"/ItalicAngle " << ttf.post.italicAngle / 65536.0 << "\n"
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"/Ascent " << ascent << "\n"
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"/Descent " << -descent << "\n"
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"/CapHeight " << ttf.hhea.ascent * 1000 / ttf.head.unitsPerEm << "\n"
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"/StemV 80\n"
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"/FontFile2 " << fonti << " 0 R\n" <<
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">>\n";
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EndObj();
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fontobj.Add() = BeginObj();
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out <<
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"<< /Type /Font\n"
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"/Subtype /TrueType\n"
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"/BaseFont /" << name << "\n"
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"/FirstChar 0\n"
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"/LastChar " << cs.GetCount() - 1 << "\n"
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"/Widths [ ";
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for(int i = 0; i < cs.GetCount(); i++)
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out << ttf.GetAdvanceWidth(cs[i]) * 1000 / ttf.head.unitsPerEm << ' ';
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out <<
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"]\n"
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"/FontDescriptor " << fonti + 1 << " 0 R\n"
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"/ToUnicode " << cmapi << " 0 R\n" <<
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">>\n";
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EndObj();
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}
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}
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int fonts = BeginObj();
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out << "<<\n";
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for(int i = 0; i < pdffont.GetCount(); i++)
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out << "/F" << i + 1 << ' ' << fontobj[i] << " 0 R \n";
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out << ">>\n";
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EndObj();
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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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@ -811,153 +1006,6 @@ String PdfDraw::Finish(const PdfSignatureInfo *sign)
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}
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}
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*/
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Vector<int> fontobj;
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for(int i = 0; i < pdffont.GetCount(); i++) {
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Font fnt = pdffont.GetKey(i);
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const Vector<wchar>& cs = pdffont[i];
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String cmap;
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cmap <<
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"/CIDInit /ProcSet findresource begin\n"
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"12 dict begin\n"
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"begincmap\n"
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"/CIDSystemInfo\n"
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"<< /Registry (Adobe)\n"
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"/Ordering (UCS)\n"
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"/Supplement 0\n"
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">> def\n"
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"/CMapName /UCS" << i << " def\n"
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"/CMapType 2 def\n"
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"1 begincodespacerange\n"
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"<00> <" << FormatIntHex(cs.GetCount() - 1, 2) << ">\n"
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"endcodespacerange\n"
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"1 beginbfrange\n"
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"<00> <" << FormatIntHex(cs.GetCount() - 1, 2) << ">\n"
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"[\n";
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for(int c = 0; c < cs.GetCount(); c++)
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cmap << '<' << FormatIntHex(cs[c], 4) << ">\n";
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cmap <<
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"]\n"
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"endbfrange\n"
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"endcmap\n"
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"CMapName currentdict /CMap defineresource pop\n"
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"end\n"
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"end\n";
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int cmapi = PutStream(cmap);
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if(fnt.GetHeight() != FONTHEIGHT_TTF) {
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FontInfo fi = fnt.Info();
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int t3ch = offset.GetCount() + 1;
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int fa = fi.GetHeight() - fi.GetInternal();
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String res;
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for(int c = 0; c < cs.GetCount(); c++) {
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RGlyph rg = RasterGlyph(fnt, pdffont[i][c]);
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String proc;
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proc
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<< 1000 * fi[cs[c]] / fa << " 0 0 "
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<< -1000 * fi.GetDescent() / fa << ' '
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<< 1000 * (rg.sz.cx + rg.x) / fa << ' '
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<< 1000 * rg.sz.cy / fa
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<< " d1\nq "
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<< 1000 * rg.sz.cx / fa
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<< " 0 0 "
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<< 1000 * rg.sz.cy / fa
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<< " "
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<< -1000 * rg.x / fa
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<< " "
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<< -1000 * fi.GetDescent() / fa
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<< " cm BI /W " << rg.sz.cx << " /H " << rg.sz.cy
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<< " /BPC 1 /IM true /D [0 1]"
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<< " ID\n" << rg.data
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<< "\nEI Q"
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;
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PutStream(proc);
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}
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int charprocs = BeginObj();
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out << "<<";
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for(int c = 0; c < cs.GetCount(); c++)
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out << " /Rgch" << c << ' ' << t3ch + c<< " 0 R";
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out << " >>\n";
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EndObj();
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int encoding = BeginObj();
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out << "<< /Type /Encoding /Differences [0";
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for(int c = 0; c < cs.GetCount(); c++)
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out << " /Rgch" << c;
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out << "] >>\n";
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EndObj();
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fontobj.Add() = BeginObj();
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out <<
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"<< /Name /F" << i + 1 <<
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" /Type /Font\n"
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"/Subtype /Type3\n"
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"/FontBBox [0 0 0 0]\n"
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"/FontMatrix [0.001 0 0 0.001 0 0]\n"
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"/CharProcs " << charprocs << " 0 R\n"
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"/Encoding " << encoding << " 0 R\n"
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"/FirstChar 0\n"
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"/LastChar " << cs.GetCount() - 1 << "\n"
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"/Widths [";
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for(int i = 0; i < cs.GetCount(); i++)
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out << ' ' << 1000 * fi[cs[i]] / fa;
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out <<
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"]\n";
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out << "/Resources << /ProcSet [ /PDF /Text /ImageB ] >>\n"
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<< "/FirstChar 0 /LastChar " << cs.GetCount() - 1 <<" /ToUnicode "
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<< cmapi
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<< " 0 R\n>>\n";
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EndObj();
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}
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else {
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TTFReader ttf;
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if(!ttf.Open(pdffont.GetKey(i)))
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return Null;
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String name = FormatIntAlpha(i + 1, true);
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name.Cat('A', 6 - name.GetLength());
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name << '+' << ttf.ps_name;
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int fonti = PutStream(ttf.Subset(cs));
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BeginObj();
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int ascent = ttf.hhea.ascent * 1000 / ttf.head.unitsPerEm;
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int descent = ttf.hhea.descent * 1000 / ttf.head.unitsPerEm;
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out <<
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"<< /Type /FontDescriptor\n"
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"/FontName /" << name << "\n"
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"/Flags 4\n"
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"/FontBBox [ -1000 " << descent << " 3000 " << ascent << " ]\n" //?????
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"/ItalicAngle " << ttf.post.italicAngle / 65536.0 << "\n"
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"/Ascent " << ascent << "\n"
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"/Descent " << -descent << "\n"
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"/CapHeight " << ttf.hhea.ascent * 1000 / ttf.head.unitsPerEm << "\n"
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"/StemV 80\n"
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"/FontFile2 " << fonti << " 0 R\n" <<
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">>\n";
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EndObj();
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fontobj.Add() = BeginObj();
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out <<
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"<< /Type /Font\n"
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"/Subtype /TrueType\n"
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"/BaseFont /" << name << "\n"
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"/FirstChar 0\n"
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"/LastChar " << cs.GetCount() - 1 << "\n"
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"/Widths [ ";
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for(int i = 0; i < cs.GetCount(); i++)
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out << ttf.GetAdvanceWidth(cs[i]) * 1000 / ttf.head.unitsPerEm << ' ';
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out <<
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"]\n"
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"/FontDescriptor " << fonti + 1 << " 0 R\n"
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"/ToUnicode " << cmapi << " 0 R\n" <<
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">>\n";
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EndObj();
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}
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}
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int fonts = BeginObj();
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out << "<<\n";
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for(int i = 0; i < pdffont.GetCount(); i++)
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out << "/F" << i + 1 << ' ' << fontobj[i] << " 0 R \n";
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out << ">>\n";
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EndObj();
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int dflt_rgb_def = -1;
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if(pdfa) {
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|
|
@ -359,8 +359,10 @@ private:
|
|||
String data;
|
||||
Size sz;
|
||||
int x;
|
||||
int color_image = -1;
|
||||
};
|
||||
|
||||
int PdfImage(const Image& img, const Rect& src);
|
||||
RGlyph RasterGlyph(Font fnt, int chr);
|
||||
|
||||
public:
|
||||
|
|
|
|||
|
|
@ -7,13 +7,16 @@ CONSOLE_APP_MAIN
|
|||
{
|
||||
PdfDraw pdf;
|
||||
int cy = 0;
|
||||
for(int face = Font::SERIF; face < Font::GetFaceCount(); face++) {
|
||||
pdf.DrawImage(5000, 20, 100, 100, CtrlImg::exclamation());
|
||||
// for(int face = Font::SERIF; face < Font::GetFaceCount(); face++)
|
||||
int face = 19;
|
||||
{
|
||||
Font fnt(face, 100);
|
||||
Cout() << fnt << "\n";
|
||||
LOG(face << ' ' << fnt << ", TTF: " << fnt.IsTrueType());
|
||||
String txt = AsString(fnt) + " 訓民正音 (훈민정음) 😜 🤪 ";
|
||||
pdf.DrawText(0, cy, txt, fnt, Black);
|
||||
pdf.DrawText(3000, cy, AsString(fnt), StdFont(100), Black);
|
||||
pdf.DrawText(3000, cy, AsString(fnt) << ' ' << face, StdFont(100), Black);
|
||||
cy += fnt.GetLineHeight();
|
||||
if(cy > 6000) {
|
||||
pdf.EndPage();
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue