#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,</tpointd>

						   const TStroke &stroke,

						   double pixelSize,

						   double w0 = 0.0,

						   double w1 = 1.0,

						   bool lastRepeatable = false);

DVAPI void region2polyline(std::vector<t3dpointd> &pnts,</t3dpointd>

						   const TRegion *region,

						   double pixeSize);

DVAPI TStroke *makeEllipticStroke(double thick,

								  TPointD center,

								  double radiusX,

								  double radiusY);

#endif // DRAWUTIL_H

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

//  End Of File

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