#pragma once

//-----------------------------------------------------------------------------

//  drawutil.h:

//    Private header to common fuction in drawcurves.cpp and drawregions.cpp

//-----------------------------------------------------------------------------

#ifndef DRAWUTIL_H

#define DRAWUTIL_H

#include "tgl.h"

//#include "traster.h"

//#include "tcurves.h"

//#include "tregion.h"

class TRegion;

#undef DVAPI

#undef DVVAR

#ifdef TVECTORIMAGE_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

//=============================================================================

//! structure with information about texture to create

struct TextureInfoForGL {

  //  GLenum target,

  //  GLint level,

  GLint internalformat;

  GLsizei width;

  GLsizei height;

  // GLint border,

  GLenum format;

  GLenum type;

  const GLvoid *pixels;

};

//=============================================================================

/**

 *

 */

DVAPI TRasterP prepareTexture(const TRasterP &ras, TextureInfoForGL &texinfo);

/**

 *

 */

DVAPI double computeStep(const TStroke &s, double pixelSize);

/**

 *  Draw stroke centerline between parameters from and to.

 */

DVAPI void drawStrokeCenterline(const TStroke &stroke, double pixelSize,

                                double from = 0.0, double to = 1.0);

DVAPI void stroke2polyline(std::vector<tpointd> &pnts, const TStroke &stroke,</tpointd>

                           double pixelSize, double w0 = 0.0, double w1 = 1.0,

                           bool lastRepeatable = false);

DVAPI void region2polyline(std::vector<t3dpointd> &pnts, const TRegion *region,</t3dpointd>

                           double pixeSize);

DVAPI TStroke *makeEllipticStroke(double thick, TPointD center, double radiusX,

                                  double radiusY);

#endif  // DRAWUTIL_H

//-----------------------------------------------------------------------------

//  End Of File

//-----------------------------------------------------------------------------