Fl_SVG_Image.H

//
// SVG Image header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 2017-2022 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file.  If this
// file is missing or damaged, see the license at:
//
//     https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
//     https://www.fltk.org/bugs.php
//
 
#ifndef FL_SVG_IMAGE_H
#define FL_SVG_IMAGE_H
 
#include <FL/Fl_Image.H>
 
struct NSVGimage;

class FL_EXPORT Fl_SVG_Image : public Fl_RGB_Image {
private:
  typedef struct {
    NSVGimage* svg_image;
    int ref_count;
  } counted_NSVGimage;
  counted_NSVGimage* counted_svg_image_;
  bool rasterized_;
  int raster_w_, raster_h_;
  bool to_desaturate_;
  Fl_Color average_color_;
  float average_weight_;
  float svg_scaling_(int W, int H);
  void rasterize_(int W, int H);
  void cache_size_(int &width, int &height) FL_OVERRIDE;
  void init_(const char *name, const unsigned char *filedata, size_t length);
  Fl_SVG_Image(const Fl_SVG_Image *source);
public:
  bool proportional;
  Fl_SVG_Image(const char *filename);
  Fl_SVG_Image(const char *sharedname, const char *svg_data);
  Fl_SVG_Image(const char *sharedname, const unsigned char *svg_data, size_t length);
  virtual ~Fl_SVG_Image();
  Fl_Image *copy(int W, int H) const FL_OVERRIDE;
  Fl_Image *copy() const {
    return Fl_Image::copy();
  }
  void resize(int width, int height);
  void desaturate() FL_OVERRIDE;
  void color_average(Fl_Color c, float i) FL_OVERRIDE;
  void draw(int X, int Y, int W, int H, int cx = 0, int cy = 0) FL_OVERRIDE;
  void draw(int X, int Y) { draw(X, Y, w(), h(), 0, 0); }
  Fl_SVG_Image *as_svg_image() FL_OVERRIDE { return this; }
  void normalize() FL_OVERRIDE;
};
 
#endif // FL_SVG_IMAGE_H