#include "../contrib/pugixml-1.4/src/pugixml.hpp"
#include "../contrib/pugixml-1.4/src/pugixml.cpp"
+/**
+ * Load an SVG into a rectangle
+ */
void Document::LoadSVG(const string & filename, const Rect & bounds)
{
using namespace pugi;
input.close();
// Combine all SVG tags into one thing because lazy
- for (xml_node svg : doc_xml.children("svg"))
+ for (xml_node svg = doc_xml.child("svg"); svg; svg = svg.next_sibling("svg"))
{
Real width = svg.attribute("width").as_float() * bounds.w;
Real height = svg.attribute("width").as_float() * bounds.h;
// Rectangles
Real coords[4];
const char * attrib_names[] = {"x", "y", "width", "height"};
- for (pugi::xml_node rect : svg.children("rect"))
+ for (pugi::xml_node rect = svg.child("rect"); rect; rect = rect.next_sibling("rect"))
{
for (size_t i = 0; i < 4; ++i)
coords[i] = rect.attribute(attrib_names[i]).as_float();
}
// Circles
- for (pugi::xml_node circle : svg.children("circle"))
+ for (pugi::xml_node circle = svg.child("circle"); circle; circle = circle.next_sibling("circle"))
{
Real cx = circle.attribute("cx").as_float();
Real cy = circle.attribute("cy").as_float();
}
// paths
- for (pugi::xml_node path : svg.children("path"))
+ for (pugi::xml_node path = svg.child("path"); path; path = path.next_sibling("path"))
{
string d = path.attribute("d").as_string();
while (i < d.size())
{
- if (d[i] == ',' || isalpha(d[i]) || iswspace(d[i]))
+ if (d[i] == ',' || (isalpha(d[i]) && d[i] != 'e') || iswspace(d[i]))
{
if (token.size() == 0 && !iswspace(d[i]))
{
// Seriously this isn't really very DOM-like at all is it?
void Document::AddPathFromString(const string & d, const Rect & bounds)
{
- Real x[3] = {0,0,0};
- Real y[3] = {0,0,0};
+ Real x[4] = {0,0,0,0};
+ Real y[4] = {0,0,0,0};
string token("");
string command("m");
+ Real x0(0);
+ Real y0(0);
+
unsigned i = 0;
unsigned prev_i = 0;
- Real x0;
- Real y0;
- bool started = false;
+
+ bool start = false;
+
while (i < d.size() && GetToken(d, token, i).size() > 0)
{
if (isalpha(token[0]))
{
i = prev_i; // hax
if(command == "")
- command = "l";
+ command = "L";
}
+
+ bool relative = islower(command[0]);
- if (command == "m")
+ if (command == "m" || command == "M")
{
Debug("Construct moveto command");
- x[0] = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.w;
+ Real dx = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.w;
assert(GetToken(d,token,i) == ",");
- y[0] = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.h;
- if (!started)
- {
- x0 = x[0];
- y0 = y[0];
- started = true;
- }
+ Real dy = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.h;
+
+ x[0] = (relative) ? x[0] + dx : dx;
+ y[0] = (relative) ? y[0] + dy : dy;
+
+
+
Debug("mmoveto %f,%f", Float(x[0]),Float(y[0]));
- command = "l";
+ command = (command == "m") ? "l" : "L";
}
- else if (command == "c")
+ else if (command == "c" || command == "C" || command == "q" || command == "Q")
{
Debug("Construct curveto command");
- x[0] = strtod(GetToken(d,token,i).c_str(),NULL)/bounds.w;
+ Real dx = strtod(GetToken(d,token,i).c_str(),NULL)/bounds.w;
assert(GetToken(d,token,i) == ",");
- y[0] = strtod(GetToken(d,token,i).c_str(),NULL)/bounds.h;
+ Real dy = strtod(GetToken(d,token,i).c_str(),NULL)/bounds.h;
- x[1] = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.w;
- assert(GetToken(d,token,i) == ",");
- y[1] = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.h;
+ x[1] = (relative) ? x[0] + dx : dx;
+ y[1] = (relative) ? y[0] + dy : dy;
- x[2] = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.w;
+ dx = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.w;
assert(GetToken(d,token,i) == ",");
- y[2] = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.h;
+ dy = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.h;
- unsigned index = AddBezierData(Bezier(x[0],y[0],x[1],y[1],x[2],y[2]));
- Add(BEZIER,bounds,index);
+ x[2] = (relative) ? x[0] + dx : dx;
+ y[2] = (relative) ? y[0] + dy : dy;
+ if (command != "q" && command != "Q")
+ {
+ dx = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.w;
+ assert(GetToken(d,token,i) == ",");
+ dy = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.h;
+ x[3] = (relative) ? x[0] + dx : dx;
+ y[3] = (relative) ? y[0] + dy : dy;
+ }
+ else
+ {
+ x[3] = x[2];
+ y[3] = y[2];
+ }
- Debug("[%u] curveto %f,%f %f,%f %f,%f", index, Float(x[0]),Float(y[0]),Float(x[1]),Float(y[1]),Float(x[2]),Float(y[2]));
+ unsigned index = AddBezierData(Bezier(x[0],y[0],x[1],y[1],x[2],y[2],x[3],y[3]));
+ Add(BEZIER,Rect(0,0,1,1),index);
- x[0] = x[2];
- y[0] = y[2];
+
+ Debug("[%u] curveto %f,%f %f,%f %f,%f", index, Float(x[1]),Float(y[1]),Float(x[2]),Float(y[2]),Float(x[3]),Float(y[3]));
+
+ x[0] = x[3];
+ y[0] = y[3];
}
- else if (command == "l")
+ else if (command == "l" || command == "L")
{
Debug("Construct lineto command");
- x[1] = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.w;
+ Real dx = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.w;
assert(GetToken(d,token,i) == ",");
- y[1] = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.h;
+ Real dy = strtod(GetToken(d,token,i).c_str(),NULL) / bounds.h;
+
+ x[1] = (relative) ? x0 + dx : dx;
+ y[1] = (relative) ? y0 + dy : dy;
x[2] = x[1];
y[2] = y[1];
-
- Rect segment_bounds(x[0], y[0], x[2] - x[0], y[2] - y[0]);
- unsigned index = AddBezierData(Bezier(x[0],y[0],x[1],y[1],x[2],y[2]));
- Add(BEZIER,bounds,index);
+ x[3] = x[1];
+ y[3] = y[1];
+
+ unsigned index = AddBezierData(Bezier(x[0],y[0],x[1],y[1],x[2],y[2],x[3],y[3]));
+ Add(BEZIER,Rect(0,0,1,1),index);
Debug("[%u] lineto %f,%f %f,%f", index, Float(x[0]),Float(y[0]),Float(x[1]),Float(y[1]));
- x[0] = x[2];
- y[0] = y[2];
+ x[0] = x[3];
+ y[0] = y[3];
}
- else if (command == "z")
+ else if (command == "z" || command == "Z")
{
Debug("Construct returnto command");
x[1] = x0;
y[1] = y0;
x[2] = x0;
y[2] = y0;
+ x[3] = x0;
+ y[3] = y0;
- unsigned index = AddBezierData(Bezier(x[0],y[0],x[1],y[1],x[2],y[2]));
- Add(BEZIER,bounds,index);
+ unsigned index = AddBezierData(Bezier(x[0],y[0],x[1],y[1],x[2],y[2],x[3],y[3]));
+ Add(BEZIER,Rect(0,0,1,1),index);
Debug("[%u] returnto %f,%f %f,%f", index, Float(x[0]),Float(y[0]),Float(x[1]),Float(y[1]));
- x[0] = x[2];
- y[0] = y[2];
+ x[0] = x[3];
+ y[0] = y[3];
command = "m";
}
else
Warn("Unrecognised command \"%s\", set to \"m\"", command.c_str());
command = "m";
}
+
+ if (!start)
+ {
+ x0 = x[0];
+ y0 = y[0];
+ start = true;
+ }
prev_i = i;
}
}