X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fdocument.h;h=6592f4b9d1257248c41b551a256e6c8449fdf405;hp=71f6d38bbd4f797b59f9bc2139886f00a7c5643e;hb=6dd539966821debd18e0b86ed126742cd81d7fc9;hpb=b006386ab52e8a2c47c20bc21591d01c314d4d8e diff --git a/src/document.h b/src/document.h index 71f6d38..6592f4b 100644 --- a/src/document.h +++ b/src/document.h @@ -2,24 +2,105 @@ #define _DOCUMENT_H #include "ipdf.h" +#include "quadtree.h" + +#include "../contrib/pugixml-1.4/src/pugixml.hpp" +#include "stb_truetype.h" + +typedef struct stbtt_fontinfo stbtt_fontinfo; 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() : m_objects(), m_count(0) {Load();} - virtual ~Document() {} + Document(const std::string & filename = "", const std::string & font_filename = "DejaVuSansMono.ttf") : m_objects(), m_count(0), m_font_data(NULL), m_font() + { + Load(filename); + if (font_filename != "") + SetFont(font_filename); + } + virtual ~Document() + { + free(m_font_data); + } + + void Load(const std::string & filename = ""); - void Add(Real x, Real y, Real w, Real h); + void Save(const std::string & filename); + void DebugDumpObjects(); + + unsigned ObjectCount() const {return m_count;} + inline const Objects & GetObjects() const {return m_objects;} + + bool operator==(const Document & equ) const; + bool operator!=(const Document & equ) const {return !(this->operator==(equ));} - unsigned ObjectCount() {return m_count;} + unsigned AddGroup(unsigned start_index, unsigned end_index); + unsigned AddBezier(const Bezier & bezier); + unsigned Add(ObjectType type, const Rect & bounds, unsigned data_index = 0); + unsigned AddBezierData(const Bezier & bezier); + + + + + + + + /** 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)); + + /** Parse an SVG node or SVG-group node, adding children to the document **/ + void ParseSVGNode(pugi::xml_node & root, SVGMatrix & transform); + /** Parse an SVG path with string **/ + std::pair ParseSVGPathData(const std::string & d, const SVGMatrix & transform); + + /** Modify an SVG transformation matrix **/ + static void ParseSVGTransform(const std::string & s, SVGMatrix & transform); + + /** 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); + +#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: friend class View; Objects m_objects; +#ifndef QUADTREE_DISABLED + QuadTree m_quadtree; + void GenBaseQuadtree(); +#endif unsigned m_count; + unsigned char * m_font_data; + stbtt_fontinfo m_font; + + + }; }