include/svgtiny.h

   1 /*
   2  * This file is part of Libsvgtiny
   3  * Licensed under the MIT License,
   4  *                http://opensource.org/licenses/mit-license.php
   5  * Copyright 2008 James Bursa <james@semichrome.net>
   6  */
   7
   8 #ifndef SVGTINY_H
   9 #define SVGTINY_H
  10
  11 #include <libxml/parser.h>
  12
  13 typedef int svgtiny_colour;
  14 #define svgtiny_TRANSPARENT 0x1000000
  15 #ifdef riscos
  16 #define svgtiny_RGB(r, g, b) ((b) << 16 | (g) << 8 | (r))
  17 #define svgtiny_RED(c) ((c) & 0xff)
  18 #define svgtiny_GREEN(c) (((c) >> 8) & 0xff)
  19 #define svgtiny_BLUE(c) (((c) >> 16) & 0xff)
  20 #else
  21 #define svgtiny_RGB(r, g, b) ((r) << 16 | (g) << 8 | (b))
  22 #define svgtiny_RED(c) (((c) >> 16) & 0xff)
  23 #define svgtiny_GREEN(c) (((c) >> 8) & 0xff)
  24 #define svgtiny_BLUE(c) ((c) & 0xff)
  25 #endif
  26
  27 struct svgtiny_shape {
  28         float *path;
  29         unsigned int path_length;
  30         char *text;
  31         float text_x, text_y;
  32         svgtiny_colour fill;
  33         svgtiny_colour stroke;
  34         int stroke_width;
  35 };
  36
  37 struct svgtiny_diagram {
  38         int width, height;
  39
  40         struct svgtiny_shape *shape;
  41         unsigned int shape_count;
  42
  43         unsigned short error_line;
  44         const char *error_message;
  45 };
  46
  47 typedef enum {
  48         svgtiny_OK,
  49         svgtiny_OUT_OF_MEMORY,
  50         svgtiny_LIBXML_ERROR,
  51         svgtiny_NOT_SVG,
  52         svgtiny_SVG_ERROR,
  53 } svgtiny_code;
  54
  55 enum {
  56         svgtiny_PATH_MOVE,
  57         svgtiny_PATH_CLOSE,
  58         svgtiny_PATH_LINE,
  59         svgtiny_PATH_BEZIER,
  60 };
  61
  62 struct svgtiny_named_color {
  63         const char *name;
  64         svgtiny_colour color;
  65 };
  66
  67
  68 struct svgtiny_diagram *svgtiny_create(void);
  69 svgtiny_code svgtiny_parse(struct svgtiny_diagram *diagram,
  70                 const char *buffer, size_t size, const char *url,
  71                 int width, int height);
  72 void svgtiny_free(struct svgtiny_diagram *svg);
  73
  74 #endif