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*/ )
  62 {
  63         CStringA sObj;
  64         sObj.Format("<rect x=\"%d\" y=\"%d\" height=\"%d\" width=\"%d\" rx=\"%d\" ry=\"%d\" style=\"stroke:#%06lx; stroke-width:%d; fill: #%06lx\"/>",
  65                 x, y, height, width, radius, radius, GetColor(stroke), penWidth, GetColor(fill));
  66
  67         objects.push_back(sObj);
  68 }
  69
  70 void SVG::Polygon( const Gdiplus::PointF * points, int numPoints, Gdiplus::Color stroke, int penWidth,  Gdiplus::Color fill )
  71 {
  72         CStringA pointstring;
  73         CStringA sTemp;
  74         for (int i = 0; i < numPoints; ++i)
  75         {
  76                 sTemp.Format("%d,%d ", (int)points[i].X, (int)points[i].Y);
  77                 pointstring += sTemp;
  78         }
  79         pointstring.TrimRight();
  80
  81         CStringA sObj;
  82         sObj.Format("<polygon points=\"%s\" style=\"stroke:#%06lx; stroke-width:%d; fill:#%06lx;\"/>",
  83                 (LPCSTR)pointstring, GetColor(stroke), penWidth, GetColor(fill));
  84
  85         objects.push_back(sObj);
  86 }
  87
  88 void SVG::GradientRectangle( int x, int y, int width, int height, Gdiplus::Color topColor, Gdiplus::Color bottomColor, Gdiplus::Color stroke )
  89 {
  90         CStringA sObj;
  91         sObj.Format(
  92                 "<g>\
  93 <defs>\
  94 <linearGradient id=\"linearGradient%d\" \
  95 x1=\"0%%\" y1=\"0%%\" \
  96 x2=\"0%%\" y2=\"100%%\" \
  97 spreadMethod=\"pad\">\
  98 <stop offset=\"0%%\" stop-color=\"#%06lx\" stop-opacity=\"1\"/>\
  99 <stop offset=\"100%%\" stop-color=\"#%06lx\" stop-opacity=\"1\"/>\
 100 </linearGradient>\
 101 </defs>\
 102 <rect x=\"%d\" y=\"%d\" height=\"%d\" width=\"%d\" style=\"stroke:#%06lx; fill::url(#linearGradient%d)\"/>\
 103 </g>",
 104                 (int)objects.size(), GetColor(topColor), GetColor(bottomColor), x, y, height, width, GetColor(stroke), (int)objects.size());
 105
 106         objects.push_back(sObj);
 107 }
 108
 109 void SVG::PolyBezier( const POINT * points, int numPoints, Gdiplus::Color stroke )
 110 {
 111         if (numPoints == 0)
 112                 return;
 113
 114         CStringA pointstring;
 115         CStringA sTemp;
 116         sTemp.Format("M%d,%d ", points[0].x, points[0].y);
 117         pointstring += sTemp;
 118
 119         for (int i = 1; i < numPoints; i += 3)
 120         {
 121                 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);
 122                 pointstring += sTemp;
 123         }
 124         pointstring.TrimRight();
 125
 126         CStringA sObj;
 127         sObj.Format("<path d=\"%s\" style=\"stroke:#%06lx; fill:none;\"/>",
 128                 (LPCSTR)pointstring, GetColor(stroke));
 129
 130         objects.push_back(sObj);
 131 }
 132
 133 void SVG::Ellipse( int x, int y, int width, int height, Gdiplus::Color stroke, int penWidth, Gdiplus::Color fill )
 134 {
 135         int cx = x + width/2;
 136         int cy = y + height/2;
 137         int rx = width/2;
 138         int ry = height/2;
 139         CStringA sObj;
 140         sObj.Format("<ellipse  cx=\"%d\" cy=\"%d\" rx=\"%d\" ry=\"%d\" style=\"stroke:#%06lx; stroke-width:%d; fill: #%06lx\"/>",
 141                 cx, cy, rx, ry, GetColor(stroke), penWidth, GetColor(fill));
 142
 143         objects.push_back(sObj);
 144 }
 145
 146 void SVG::CenteredText( int x, int y, LPCSTR font, int fontsize, bool italic, bool bold, Gdiplus::Color color, LPCSTR text )
 147 {
 148         CStringA sObj;
 149         sObj.Format("<text x=\"%d\"  y=\"%d\" \
 150 style=\"font-family:%s;\
 151 font-size:%dpt;\
 152 font-style:%s;\
 153 font-weight:%s;\
 154 stroke:none;\
 155 text-anchor: middle;\
 156 fill:#%06lx;\">%s</text>",
 157                 x, y, font, fontsize, italic ? "italic" : "none", bold ? "bold" : "none", GetColor(color), text);
 158
 159         objects.push_back(sObj);
 160 }
 161
 162 DWORD SVG::GetColor( Gdiplus::Color c )
 163 {
 164         return ((DWORD)c.GetRed() << 16) | ((DWORD)c.GetGreen() << 8) | ((DWORD)c.GetBlue());
 165 }
 166