#include "ipdf.h"
#include "quadtree.h"
+#include <map>
+
#include "../contrib/pugixml-1.4/src/pugixml.hpp"
#include "stb_truetype.h"
namespace IPDF
{
+ struct SVGMatrix
+ {
+ Real a; // width
+ Real c; // skew x by y
+ Real e; // translate x
+
+ Real b; // skew y by x
+ Real d; // height
+ Real f; // translate y
+ };
+ // SVG matrix transforms (x,y) <- (a x' + c y' + e, b x' + d y' + f)
+ // Equivelant to OpenGL 3d matrix transform ((a, c, e) (b, d, f) (0,0,1))
+
class Document
{
public:
- Document(const std::string & filename = "", const std::string & font_filename = "DejaVuSansMono.ttf") : m_objects(), m_count(0), m_font_data(NULL), m_font()
+ Document(const std::string & filename = "", const std::string & font_filename = "fonts/DejaVuSansMono.ttf") : m_objects(), m_count(0), m_font_data(NULL), m_font()
{
Load(filename);
if (font_filename != "")
bool operator==(const Document & equ) const;
bool operator!=(const Document & equ) const {return !(this->operator==(equ));}
- void Add(ObjectType type, const Rect & bounds, unsigned data_index = 0);
+ unsigned AddPath(unsigned start_index, unsigned end_index, const Colour & shading=Colour(0.6,0.6,0.6,1), const Colour & stroke=Colour(0,0,0,0));
+ unsigned AddBezier(const Bezier & bezier);
+ unsigned Add(ObjectType type, const Rect & bounds, unsigned data_index = 0, QuadTreeIndex qtnode = 0);
unsigned AddBezierData(const Bezier & bezier);
-
+ unsigned AddPathData(const Path & path);
+
-
/** SVG Related functions **/
/** Load an SVG text file and add to the document **/
void LoadSVG(const std::string & filename, const Rect & bounds = Rect(0,0,1,1));
+ void ParseSVG(const std::string & svg, const Rect & bounds = Rect(0,0,1,1));
/** Parse an SVG node or SVG-group node, adding children to the document **/
- void ParseSVGNode(pugi::xml_node & root, const Rect & bounds, Real & width, Real & height);
+ void ParseSVGNode(pugi::xml_node & root, SVGMatrix & transform);
/** Parse an SVG path with string **/
- void ParseSVGPathData(const std::string & d, const Rect & bounds);
+ std::pair<unsigned, unsigned> ParseSVGPathData(const std::string & d, const SVGMatrix & transform, bool & closed);
+
+ /** Modify an SVG transformation matrix **/
+ static void ParseSVGTransform(const std::string & s, SVGMatrix & transform);
+
+ /** Extract CSS values (shudder) from style **/
+ static void ParseSVGStyleData(const std::string & style, std::map<std::string, std::string> & results);
/** Font related functions **/
void SetFont(const std::string & font_filename);
void AddText(const std::string & text, Real scale, Real x, Real y);
void AddFontGlyphAtPoint(stbtt_fontinfo *font, int character, Real scale, Real x, Real y);
-
+
+ void TransformObjectBounds(const SVGMatrix & transform);
+ void TranslateObjects(const Real & x, const Real & y);
+ void ScaleObjectsAboutPoint(const Real & x, const Real & y, const Real & scale_amount);
+
#ifndef QUADTREE_DISABLED
inline const QuadTree& GetQuadTree() { if (m_quadtree.root_id == QUADTREE_EMPTY) { GenBaseQuadtree(); } return m_quadtree; }
QuadTreeIndex GenQuadChild(QuadTreeIndex parent, QuadTreeNodeChildren type);
QuadTreeIndex GenQuadParent(QuadTreeIndex child, QuadTreeNodeChildren mytype);
+ // Returns the number of objects the current object formed when clipped, the objects in question are added to the end of the document.
+ int ClipObjectToQuadChild(int object_id, QuadTreeNodeChildren type);
#endif
private: