src/Utils/MiscUI/SVG.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2010-2011 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #include "stdafx.h"
  20 #include "SVG.h"
  21 #include "SmartHandle.h"
  22
  23 SVG::SVG()
  24         : viewportWidth(1000)
  25         , viewportHeight(1000)
  26 {
  27 }
  28
  29 SVG::~SVG()
  30 {
  31 }
  32
  33 bool SVG::Save( const CString& path )
  34 {
  35         DWORD dwWritten = 0;
  36         CAutoFile hFile = CreateFile(path, GENERIC_WRITE, FILE_SHARE_DELETE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
  37         if (!hFile)
  38                 return false;
  39
  40         CStringA header;
  41         header.Format("<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"%d\" height=\"%d\" viewBox=\"0 0 %d %d\">\r\n", viewportWidth, viewportHeight, viewportWidth, viewportHeight);
  42         CStringA footer = "\r\n</svg>";
  43
  44         if (!WriteFile(hFile, header, (DWORD)header.GetLength(), &dwWritten, NULL))
  45                 return false;
  46
  47         for (std::vector<CStringA>::const_iterator it = objects.begin(); it != objects.end(); ++it)
  48         {
  49                 if (!WriteFile(hFile, *it, (DWORD)it->GetLength(), &dwWritten, NULL))
  50                         return false;
  51                 if (!WriteFile(hFile, "\r\n", (DWORD)2, &dwWritten, NULL))
  52                         return false;
  53         }
  54         if (!WriteFile(hFile, footer, (DWORD)footer.GetLength(), &dwWritten, NULL))
  55                 return false;
  56
  57         return true;
  58 }
  59
  60
  61 void SVG::RoundedRectangle( int x, int y, int width, int height, Gdiplus::Color stroke, int penWidth, Gdiplus::Color fill, int radius /*= 0*/, int mode )
  62 {
  63         CStringA sObj,tmp;
  64         if(mode == 3)
  65         {
  66                 sObj.Format("<rect x=\"%d\" y=\"%d\" height=\"%d\" width=\"%d\" rx=\"%d\" ry=\"%d\" style=\"stroke:#%06lx; stroke-width:%d; fill: #%06lx\"/>",
  67                         x, y, height, width, radius, radius, GetColor(stroke), penWidth, GetColor(fill));
  68         }else
  69         {
  70                 sObj += "<path d=\"";
  71                 if(mode & 0x1)
  72                 {
  73                         tmp.Format("M %d %d a %d %d 0 0 1 %d %d ", x, y+radius, radius, radius, radius, -radius);
  74                         sObj += tmp;
  75                         tmp.Format("h %d ", width - 2*radius);
  76                         sObj += tmp;
  77                         tmp.Format("a %d %d 0 0 1 %d %d ", radius, radius, radius, radius);
  78                         sObj += tmp;
  79                 }else
  80                 {
  81                         tmp.Format("M %d %d h %d ",x, y, width);
  82                         sObj += tmp;
  83                 }
  84
  85                 if(mode & 0x2)
  86                 {
  87                         tmp.Format("V %d a %d %d 0 0 1 %d %d ", y+height-radius, radius,radius, -radius, radius);
  88                         sObj += tmp;
  89                         tmp.Format("h %d a %d %d 0 0 1 %d %d z ", - width + 2* radius, radius,radius, -radius, -radius);
  90                         sObj += tmp;
  91
  92                 }else
  93                 {
  94                         tmp.Format("V %d h %d z ", y+height, -width);
  95                         sObj += tmp;
  96                 }
  97                 sObj +=_T("\" ");
  98                 tmp.Format("style=\"stroke:#%06lx; stroke-width:%d; fill: #%06lx\"/>", GetColor(stroke), penWidth, GetColor(fill));
  99                 sObj += tmp;
 100         }
 101         objects.push_back(sObj);
 102 }
 103
 104 void SVG::Polygon( const Gdiplus::PointF * points, int numPoints, Gdiplus::Color stroke, int penWidth,  Gdiplus::Color fill )
 105 {
 106         CStringA pointstring;
 107         CStringA sTemp;
 108         for (int i = 0; i < numPoints; ++i)
 109         {
 110                 sTemp.Format("%d,%d ", (int)points[i].X, (int)points[i].Y);
 111                 pointstring += sTemp;
 112         }
 113         pointstring.TrimRight();
 114
 115         CStringA sObj;
 116         sObj.Format("<polygon points=\"%s\" style=\"stroke:#%06lx; stroke-width:%d; fill:#%06lx;\"/>",
 117                 (LPCSTR)pointstring, GetColor(stroke), penWidth, GetColor(fill));
 118
 119         objects.push_back(sObj);
 120 }
 121
 122 void SVG::DrawPath( const Gdiplus::PointF * points, int numPoints, Gdiplus::Color stroke, int penWidth,  Gdiplus::Color fill )
 123 {
 124         CStringA pointstring;
 125         CStringA sTemp;
 126         for (int i = 0; i < numPoints; ++i)
 127         {
 128                 sTemp.Format("%c %d %d ", i==0? 'M':'L', (int)points[i].X, (int)points[i].Y);
 129                 pointstring += sTemp;
 130         }
 131         pointstring.TrimRight();
 132
 133         CStringA sObj;
 134         sObj.Format("<path d=\"%s\" style=\"stroke:#%06lx; stroke-width:%d; fill:#%06lx;\"/>",
 135                 (LPCSTR)pointstring, GetColor(stroke), penWidth, GetColor(fill));
 136
 137         objects.push_back(sObj);
 138 }
 139
 140 void SVG::Polyline( const Gdiplus::PointF * points, int numPoints, Gdiplus::Color stroke, int penWidth)
 141 {
 142         CStringA pointstring;
 143         CStringA sTemp;
 144         for (int i = 0; i < numPoints; ++i)
 145         {
 146                 sTemp.Format("%d,%d ", (int)points[i].X, (int)points[i].Y);
 147                 pointstring += sTemp;
 148         }
 149         pointstring.TrimRight();
 150
 151         CStringA sObj;
 152         sObj.Format("<polyline points=\"%s\" style=\"stroke:#%06lx; stroke-width:%d; fill:none;\"/>",
 153                 (LPCSTR)pointstring, GetColor(stroke), penWidth);
 154
 155         objects.push_back(sObj);
 156 }
 157 void SVG::GradientRectangle( int x, int y, int width, int height, Gdiplus::Color topColor, Gdiplus::Color bottomColor, Gdiplus::Color stroke )
 158 {
 159         CStringA sObj;
 160         sObj.Format(
 161                 "<g>\
 162 <defs>\
 163 <linearGradient id=\"linearGradient%d\" \
 164 x1=\"0%%\" y1=\"0%%\" \
 165 x2=\"0%%\" y2=\"100%%\" \
 166 spreadMethod=\"pad\">\
 167 <stop offset=\"0%%\" stop-color=\"#%06lx\" stop-opacity=\"1\"/>\
 168 <stop offset=\"100%%\" stop-color=\"#%06lx\" stop-opacity=\"1\"/>\
 169 </linearGradient>\
 170 </defs>\
 171 <rect x=\"%d\" y=\"%d\" height=\"%d\" width=\"%d\" style=\"stroke:#%06lx; fill::url(#linearGradient%d)\"/>\
 172 </g>",
 173                 (int)objects.size(), GetColor(topColor), GetColor(bottomColor), x, y, height, width, GetColor(stroke), (int)objects.size());
 174
 175         objects.push_back(sObj);
 176 }
 177
 178 void SVG::PolyBezier( const POINT * points, int numPoints, Gdiplus::Color stroke )
 179 {
 180         if (numPoints == 0)
 181                 return;
 182
 183         CStringA pointstring;
 184         CStringA sTemp;
 185         sTemp.Format("M%d,%d ", points[0].x, points[0].y);
 186         pointstring += sTemp;
 187
 188         for (int i = 1; i < numPoints; i += 3)
 189         {
 190                 sTemp.Format("C%d,%d %d,%d %d,%d", points[i].x, points[i].y, points[i+1].x, points[i+1].y, points[i+2].x, points[i+2].y);
 191                 pointstring += sTemp;
 192         }
 193         pointstring.TrimRight();
 194
 195         CStringA sObj;
 196         sObj.Format("<path d=\"%s\" style=\"stroke:#%06lx; fill:none;\"/>",
 197                 (LPCSTR)pointstring, GetColor(stroke));
 198
 199         objects.push_back(sObj);
 200 }
 201
 202 void SVG::Ellipse( int x, int y, int width, int height, Gdiplus::Color stroke, int penWidth, Gdiplus::Color fill )
 203 {
 204         int cx = x + width/2;
 205         int cy = y + height/2;
 206         int rx = width/2;
 207         int ry = height/2;
 208         CStringA sObj;
 209         sObj.Format("<ellipse  cx=\"%d\" cy=\"%d\" rx=\"%d\" ry=\"%d\" style=\"stroke:#%06lx; stroke-width:%d; fill: #%06lx\"/>",
 210                 cx, cy, rx, ry, GetColor(stroke), penWidth, GetColor(fill));
 211
 212         objects.push_back(sObj);
 213 }
 214
 215 void SVG::Text( int x, int y, LPCSTR font, int fontsize, bool italic, bool bold, Gdiplus::Color color, LPCSTR text , int al)
 216 {
 217         CStringA sObj;
 218         sObj.Format("<text x=\"%d\"  y=\"%d\" \
 219 style=\"font-family:%s;\
 220 font-size:%dpt;\
 221 font-style:%s;\
 222 font-weight:%s;\
 223 stroke:none;\
 224 text-anchor: %s;\
 225 fill:#%06lx;\">%s</text>",
 226                 x, y, font, fontsize, italic ? "italic" : "none", bold ? "bold" : "none",
 227                 al==SVG::left? "left": al==SVG::middle? "middle": "right",
 228                 GetColor(color),text);
 229
 230         objects.push_back(sObj);
 231 }
 232
 233 DWORD SVG::GetColor( Gdiplus::Color c )
 234 {
 235         return ((DWORD)c.GetRed() << 16) | ((DWORD)c.GetGreen() << 8) | ((DWORD)c.GetBlue());
 236 }
 237