X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fdocument.h;h=d67b0b20f6e1bf907fc4b011bfd789cdfaed175d;hp=ffb761db20079db697d7cea1f04d8f1bcc13b86e;hb=326f04a375ce3120f7e8957e3d7cd5f296f513e3;hpb=428f1eb86a616d95dbb72ff08a3d09771d5c47e6

diff --git a/src/document.h b/src/document.h
index ffb761d..d67b0b2 100644
--- a/src/document.h
+++ b/src/document.h
@@ -2,29 +2,118 @@
 #define _DOCUMENT_H
 
 #include "ipdf.h"
+#include "quadtree.h"
+
+#include <map>
+
+#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(const std::string & filename = "") : m_objects(), m_count(0) {Load(filename);}
-			virtual ~Document() {}
+			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 != "")
+					SetFont(font_filename);
+			}
+			virtual ~Document() 
+			{
+				free(m_font_data);
+			}
+			
+			
 
 			void Load(const std::string & filename = "");
 			void Save(const std::string & filename);
-			void Add(Real x, Real y, Real w, Real h);
 			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 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, SVGMatrix & transform);
+			/** Parse an SVG path with string **/
+			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, ObjectType type = NUMBER_OF_OBJECT_TYPES);
+			void ScaleObjectsAboutPoint(const Real & x, const Real & y, const Real & scale_amount, ObjectType type = NUMBER_OF_OBJECT_TYPES);
+			
+#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
+
+			void ClearObjects()
+			{
+				m_count = 0;
+				m_objects.Clear();
+			}
+
+
 		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;
+		
+			
+
 	};
 }