X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fdocument.h;h=52e9295ed55fe47cc3c3903d3f53c4aeb811a283;hp=8e63f5ba0555555db6b0fe026353a432b812561b;hb=255065a607d82846c4a8b730000d547b3f080d0c;hpb=208cee1f6967db42329a3e665401ef51b3f6d9ff;ds=sidebyside diff --git a/src/document.h b/src/document.h index 8e63f5b..52e9295 100644 --- a/src/document.h +++ b/src/document.h @@ -5,17 +5,37 @@ #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 b; // skew y by x + Real c; // skew x by y + Real d; // height + Real e; // translate x + 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 = "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); + } @@ -32,7 +52,10 @@ namespace IPDF void Add(ObjectType type, const Rect & bounds, unsigned data_index = 0); unsigned AddBezierData(const Bezier & bezier); + + + /** SVG Related functions **/ @@ -41,10 +64,17 @@ namespace IPDF 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, 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); + void 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 @@ -61,6 +91,9 @@ namespace IPDF void GenBaseQuadtree(); #endif unsigned m_count; + unsigned char * m_font_data; + stbtt_fontinfo m_font; + };