1 /* === S Y N F I G ========================================================= */
3 ** \brief Implementation of the Svg parser
4 ** \brief Based on SVG XML specification 1.1
5 ** \brief See: http://www.w3.org/TR/xml11/ for deatils
10 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
11 ** Copyright (c) 2007, 2008 Chris Moore
12 ** Copyright (c) 2009 Carlos A. Sosa Navarro
13 ** Copyright (c) 2009 Nikita Kitaev
15 ** This package is free software; you can redistribute it and/or
16 ** modify it under the terms of the GNU General Public License as
17 ** published by the Free Software Foundation; either version 2 of
18 ** the License, or (at your option) any later version.
20 ** This package is distributed in the hope that it will be useful,
21 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
22 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 ** General Public License for more details.
26 /* ========================================================================= */
28 /* === S T A R T =========================================================== */
30 #ifndef __SVG_PARSER_H
31 #define __SVG_PARSER_H
33 /* === H E A D E R S ======================================================= */
40 #include <libxml++/libxml++.h>
42 #include <ETL/stringf>
43 #include <synfig/canvas.h>
44 #include <synfig/loadcanvas.h>
45 #include <synfig/color.h>
46 #include <synfig/gamma.h>
47 #include <synfig/guid.h>
49 /* === M A C R O S ========================================================= */
51 /* === T Y P E D E F S ===================================================== */
53 /* === C L A S S E S & S T R U C T S ======================================= */
57 typedef struct matrix_t{
62 typedef struct stop_t{
67 typedef struct linear_g{
70 std::list<ColorStop*> *stops;
73 typedef struct radial_g{
75 float cx,cy;//center point
76 //float fx,fy; //not supported by Synfig
78 std::list<ColorStop*> *stops;
87 typedef struct Vertex_t{
94 typedef struct bline_t{
95 std::list<Vertex*> *points;
103 //this is inkscape oriented in some cases
110 xmlpp::DomParser parser;
111 xmlpp::Document document;
112 xmlpp::Element* nodeRoot;//output
114 Glib::ustring height;
115 Glib::ustring docname;
120 std::list<LinearGradient*> lg;
121 std::list<RadialGradient*> rg;
125 Canvas::Handle load_svg_canvas(std::string _filepath,String &errors, String &warnings);
127 //void set_id(String source);
130 /* === PARSERS ==================================== */
131 void parser_node(const xmlpp::Node* node);
133 void parser_svg(const xmlpp::Node* node);
134 void parser_canvas(const xmlpp::Node* node);
135 void parser_graphics(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent);
137 /* === LAYER PARSERS ============================== */
138 void parser_layer(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx);
139 void parser_rect(const xmlpp::Element* nodeElement,xmlpp::Element* root,String fill, String fill_opacity, String opacity);
140 /* === CONVERT TO PATH PARSERS ==================== */
141 std::list<BLine *> parser_path_polygon(Glib::ustring polygon_points, Matrix* mtx);
142 std::list<BLine *> parser_path_d(String path_d,Matrix* mtx);
144 /* === EFFECTS PARSERS ============================ */
145 void parser_effects(const xmlpp::Element* nodeElement,xmlpp::Element* root,String parent_style,Matrix* mtx);
147 /* === DEFS PARSERS =============================== */
148 void parser_defs(const xmlpp::Node* node);
149 void parser_linearGradient(const xmlpp::Node* node);
150 void parser_radialGradient(const xmlpp::Node* node);
151 ColorStop* newColorStop(String color,float opacity,float pos);
152 LinearGradient* newLinearGradient(String name,float x1,float y1, float x2,float y2,std::list<ColorStop*> *stops, Matrix* transform);
153 RadialGradient* newRadialGradient(String name,float cx,float cy,float r,std::list<ColorStop*> *stops, Matrix* transform);
154 BLine* newBLine(std::list<Vertex*> *points,bool loop);
156 /* === BUILDS ===================================== */
157 void build_transform(xmlpp::Element* root,Matrix* mtx);
158 std::list<ColorStop*>* find_colorStop(String name);
159 void build_fill(xmlpp::Element* root, String name,Matrix *mtx);
160 void build_linearGradient(xmlpp::Element* root,LinearGradient* data,Matrix* mtx);
161 void build_radialGradient(xmlpp::Element* root,RadialGradient* data,Matrix* mtx);
162 void build_stop_color(xmlpp::Element* root, std::list<ColorStop*> *stops);
163 void build_stop_color(xmlpp::Element* root, std::list<ColorStop*> *stops,String name);
164 Color adjustGamma(float r,float g,float b,float a);
166 void build_gamma(xmlpp::Element* root,float gamma);
167 void build_rotate(xmlpp::Element* root,float dx,float dy,float angle);
168 void build_translate(xmlpp::Element* root,float dx,float dy);
169 void build_points(xmlpp::Element* root,std::list<Vertex*> p);
170 void build_vertex(xmlpp::Element* root , Vertex *p);
171 void build_bline(xmlpp::Element* root,std::list<Vertex*> p,bool loop,String blineguid);
172 void build_param (xmlpp::Element* root,String name,String type,String value);
173 void build_param (xmlpp::Element* root,String name,String type,float value);
174 void build_param (xmlpp::Element* root,String name,String type,int value);
175 void build_integer (xmlpp::Element* root,String name, int value);
176 void build_real (xmlpp::Element* root,String name,float value);
177 void build_vector (xmlpp::Element* root,String name,float x,float y);
178 void build_vector (xmlpp::Element* root,String name,float x,float y,String guid);
179 void build_color(xmlpp::Element* root,float r,float g,float b,float a);
180 xmlpp::Element* nodeStartBasicLayer(xmlpp::Element* root);
181 xmlpp::Element* nodeStartBasicLayer(xmlpp::Element* root, String name);
183 /* === COORDINATES & TRANSFORMATIONS ============== */
186 void coor2vect(float *x,float *y);
187 void setTg2(Vertex* p,float p1x,float p1y,float p2x,float p2y);
188 void setTg1(Vertex *p,float p1x,float p1y,float p2x,float p2y);
189 void setSplit(Vertex* p,bool val);
190 int isFirst(Vertex* nodo,float a, float b);
191 Vertex* newVertex(float x,float y);
194 Matrix* parser_transform(const String transform);
195 Matrix* newMatrix(float a,float b,float c,float d,float e,float f);
196 Matrix* newMatrix(const String mvector);
197 Matrix* newMatrix(Matrix *a);
198 void transformPoint2D(Matrix *mtx,float *a,float *b);
199 bool matrixIsNull(Matrix* mtx);
200 void composeMatrix(Matrix **mtx,Matrix *mtx1,Matrix *mtx2);
201 void multiplyMatrix(Matrix **mtx1,Matrix *mtx2);
202 float getRadian(float sexa);
204 /* === EXTRA METHODS ============================== */
207 int extractSubAttribute(const String attribute, String name,String* value);
208 String loadAttribute(String name,const String path_style,const String master_style,const String subattribute,const String defaultVal);
209 String loadAttribute(String name,const String path_style,const String master_style,const String defaultVal);
210 std::vector<String> get_tokens_path(String path);
212 int getRed(String hex);
213 int getGreen(String hex);
214 int getBlue(String hex);
215 int hextodec(String hex);
216 float getDimension(const String ac);
218 void removeS(String *input);
219 void removeIntoS(String *input);
220 std::vector<String> tokenize(const String& str,const String& delimiters);
221 void get_canvas_name(String _filepath);
224 // END of Svg_parser class
226 /* === E X T E R N S ======================================================= */
228 extern Canvas::Handle open_svg(std::string _filepath,String &errors, String &warnings);
230 }; // END of namespace synfig
232 /* === E N D =============================================================== */