#include "document.h"
#include "bezier.h"
#include <cstdio>
+#include <fstream>
using namespace IPDF;
using namespace std;
void Document::GenBaseQuadtree()
{
- m_quadtree.nodes.push_back(QuadTreeNode{QUADTREE_EMPTY, 1, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QTC_UNKNOWN, 0, 1});
- m_quadtree.nodes.push_back(QuadTreeNode{QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QTC_UNKNOWN, 1, ObjectCount()});
+ m_quadtree.nodes.push_back(QuadTreeNode{QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QTC_UNKNOWN, 0, ObjectCount()});
m_quadtree.root_id = 0;
+ GenQuadNode(0, QTC_TOP_LEFT);
+}
+
+QuadTreeIndex Document::GenQuadNode(QuadTreeIndex parent, QuadTreeNodeChildren type)
+{
+ QuadTreeIndex new_index = m_quadtree.nodes.size();
+ m_quadtree.nodes.push_back(QuadTreeNode{QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, parent, type, 0, 0});
+
+ m_quadtree.nodes[new_index].object_begin = m_objects.bounds.size();
+ for (unsigned i = m_quadtree.nodes[parent].object_begin; i < m_quadtree.nodes[parent].object_end; ++i)
+ {
+ if (ContainedInQuadChild(m_objects.bounds[i], type))
+ {
+ m_objects.bounds.push_back(TransformToQuadChild(m_objects.bounds[i], type));
+ m_objects.types.push_back(m_objects.types[i]);
+ m_objects.data_indices.push_back(m_objects.data_indices[i]);
+ m_count++;
+ }
+ }
+ m_quadtree.nodes[new_index].object_end = m_objects.bounds.size();
+ switch (type)
+ {
+ case QTC_TOP_LEFT:
+ m_quadtree.nodes[parent].top_left = new_index;
+ break;
+ case QTC_TOP_RIGHT:
+ m_quadtree.nodes[parent].top_right = new_index;
+ break;
+ case QTC_BOTTOM_LEFT:
+ m_quadtree.nodes[parent].bottom_left = new_index;
+ break;
+ case QTC_BOTTOM_RIGHT:
+ m_quadtree.nodes[parent].bottom_right = new_index;
+ break;
+ default:
+ Fatal("Tried to add a QuadTree child of invalid type!");
+ }
+ return new_index;
}
#endif
&& memcmp(m_objects.data_indices.data(), equ.m_objects.data_indices.data(), ObjectCount() * sizeof(unsigned)) == 0
&& memcmp(m_objects.beziers.data(), equ.m_objects.beziers.data(), m_objects.beziers.size() * sizeof(Bezier)) == 0);
}
+
+
+#include "../contrib/pugixml-1.4/src/pugixml.hpp"
+#include "../contrib/pugixml-1.4/src/pugixml.cpp"
+
+void Document::LoadSVG(const string & filename, const Rect & bounds)
+{
+ using namespace pugi;
+
+ xml_document doc_xml;
+ ifstream input(filename.c_str(), ios_base::in);
+ xml_parse_result result = doc_xml.load(input);
+
+ if (!result)
+ Fatal("Couldn't load \"%s\" - %s", filename.c_str(), result.description());
+
+ Debug("Loaded XML - %s", result.description());
+
+ input.close();
+
+ // Combine all SVG tags into one thing because lazy
+ for (xml_node svg : doc_xml.children("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 (size_t i = 0; i < 4; ++i)
+ coords[i] = rect.attribute(attrib_names[i]).as_float();
+
+ bool outline = !(rect.attribute("fill"));
+ Add(outline?RECT_OUTLINE:RECT_FILLED, Rect(coords[0]/width + bounds.x, coords[1]/height + bounds.y, coords[2]/width, coords[3]/height),0);
+ Debug("Added rectangle");
+ }
+
+ // Circles
+ for (pugi::xml_node circle : svg.children("circle"))
+ {
+ Real cx = circle.attribute("cx").as_float();
+ Real cy = circle.attribute("cy").as_float();
+ Real r = circle.attribute("r").as_float();
+
+ Real x = (cx - r)/width + bounds.x;
+ Real y = (cy - r)/height + bounds.y;
+ Real w = 2*r/width;
+ Real h = 2*r/height;
+
+ Rect rect(x,y,w,h);
+ Add(CIRCLE_FILLED, rect,0);
+ Debug("Added Circle %s", rect.Str().c_str());
+
+ }
+
+ // paths
+ for (pugi::xml_node path : svg.children("path"))
+ {
+
+ string d = path.attribute("d").as_string();
+ Debug("Path data attribute is \"%s\"", d.c_str());
+ AddPathFromString(d, Rect(bounds.x,bounds.y,width,height));
+
+ }
+ }
+
+ //Fatal("Done");
+
+
+
+}
+
+// Behold my amazing tokenizing abilities
+static string & GetToken(const string & d, string & token, unsigned & i)
+{
+ token.clear();
+ while (i < d.size() && iswspace(d[i]))
+ {
+ ++i;
+ }
+
+ while (i < d.size())
+ {
+ if (d[i] == ',' || isalpha(d[i]) || iswspace(d[i]))
+ {
+ if (token.size() == 0 && !iswspace(d[i]))
+ {
+ token += d[i++];
+ }
+ break;
+ }
+ token += d[i++];
+ }
+ Debug("Got token \"%s\"", token.c_str());
+ return token;
+}
+
+
+// Fear the wrath of the tokenizing svg data
+// 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};
+
+ string token("");
+ string command("m");
+
+ unsigned i = 0;
+ unsigned prev_i = 0;
+ Real x0;
+ Real y0;
+ bool started = false;
+ while (i < d.size() && GetToken(d, token, i).size() > 0)
+ {
+ if (isalpha(token[0]))
+ command = token;
+ else
+ {
+ i = prev_i; // hax
+ if(command == "")
+ command = "l";
+ }
+
+ if (command == "m")
+ {
+ Debug("Construct moveto command");
+ x[0] = 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;
+ }
+ Debug("mmoveto %f,%f", Float(x[0]),Float(y[0]));
+ command = "l";
+ }
+ else if (command == "c")
+ {
+ Debug("Construct curveto command");
+ x[0] = 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;
+
+ 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[2] = 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;
+
+ unsigned index = AddBezierData(Bezier(x[0],y[0],x[1],y[1],x[2],y[2]));
+ Add(BEZIER,bounds,index);
+
+
+ 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]));
+
+ x[0] = x[2];
+ y[0] = y[2];
+
+
+ }
+ else if (command == "l")
+ {
+ Debug("Construct lineto command");
+
+ 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[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);
+
+ 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];
+
+ }
+ else if (command == "z")
+ {
+ Debug("Construct returnto command");
+ x[1] = x0;
+ y[1] = y0;
+ x[2] = x0;
+ y[2] = y0;
+
+ unsigned index = AddBezierData(Bezier(x[0],y[0],x[1],y[1],x[2],y[2]));
+ Add(BEZIER,bounds,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];
+ command = "m";
+ }
+ else
+ {
+ Warn("Unrecognised command \"%s\", set to \"m\"", command.c_str());
+ command = "m";
+ }
+ prev_i = i;
+ }
+}
git.ucc.asn.au / ipdf / code.git / blobdiff
UCC git Repository :: git.ucc.asn.au