Totally FITH everything

[ipdf/code.git] / src / document.h

diff --git a/src/document.h b/src/document.h
index 8f2c087..d67b0b2 100644 (file)
--- a/src/document.h
+++ b/src/document.h
@@ -4,6 +4,8 @@
 #include "ipdf.h"
 #include "quadtree.h"
 
+#include <map>
+
 #include "../contrib/pugixml-1.4/src/pugixml.hpp"
 #include "stb_truetype.h"
 
@@ -11,10 +13,23 @@ 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 = "", 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 != "")
@@ -37,33 +52,55 @@ namespace IPDF
                        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, 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;