#ifndef DOC_OUTPUT_H
#define DOC_OUTPUT_H


#include <memory>
#include <vector>


// Messy
#include "hpdf.h"


enum FontType
{
  FT_Normal,
  FT_Oblique,
  FT_Bold,
  FT_BoldOblique,
  FT_Fixed
};


class DocOutputDevice;
class DocOutputPage
{
public:
  DocOutputPage(DocOutputDevice* parent);
  ~DocOutputPage();

  HPDF_Page page(); // TODO: remove need for this

  float width();
  float height();

  float textWidth(const char* str);
  bool imageSize(const char* fileName, float& width, float& height);

  //void setColor(float, float, float);

  void setFontType(FontType font);
  void setFontSize(float size);
  void setFillColor(unsigned int color);
  void setPenColor(unsigned int color);
  void setPenWidth(float width);
  void setPenStyle(unsigned int style);
  void setAlpha(float);
  void setAlphaPenFill(float penAlpha, float fillAlpha);
  void setGradient(const std::vector<HPDF_GradientStop>& stops, float p1x, float p1y, float p2x, float p2y);
  void drawTriangles(float* points, int numPoints, unsigned char* colors, int nc_comps);

  void drawText(float x, float y, const char* str);
  void drawLine(float x1, float y1, float x2, float y2);
  void drawRect(float x1, float y1, float w, float h);
  //void drawImage(DocImage& img, float x1, float y1, float w, float h);
  void drawImage(const char* fileName, float x1, float y1, float w, float h);
  void drawCheckBox(bool checked, float x, float y, float w, float h);
  void drawCircle(float x, float y, float radius);
  void drawPolygon(float* pnts, int count);

  void startLink(const char* uri, float x, float y);
  void endLink(float x, float y);

private:
  struct Pimpl;
  std::unique_ptr<Pimpl> m_pimpl;
};


class DocOutputDevice
{
public:
  DocOutputDevice(HPDF_Error_Handler errorFn = 0);
  ~DocOutputDevice();

  HPDF_Doc doc();

  void setAuthor(std::string author);
  void setTitle(std::string title, std::string subTitle);
  void setPassword(std::string password);

  HPDF_Image loadImage(const char* fileName, bool& result);

  DocOutputPage* newPage();

  void finalize(char* outputBuffer, size_t* size);
  void finalize(const char* outputFileName);

  void reset();
private:
  struct Pimpl;
  std::unique_ptr<Pimpl> m_pimpl;
};


#endif // DOC_OUTPUT_H