/*
 * Copyright (C) 2007 Google (Evan Stade)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef __WINE_GP_PRIVATE_H_
#define __WINE_GP_PRIVATE_H_

#include <math.h>
#include "windef.h"
#include "gdiplus.h"

#define GP_DEFAULT_PENSTYLE (PS_GEOMETRIC | PS_ENDCAP_FLAT | PS_JOIN_MITER)
#define MAX_ARC_PTS (13)

COLORREF ARGB2COLORREF(ARGB color);
extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
    REAL startAngle, REAL sweepAngle);

static inline INT roundr(REAL x)
{
    return (INT) floorf(x + 0.5);
}

static inline REAL deg2rad(REAL degrees)
{
    return M_PI * degrees / 180.0;
}

struct GpPen{
    UINT style;
    COLORREF color;
    GpUnit unit;
    REAL width;
    HPEN gdipen;
    GpLineCap endcap;
    GpLineJoin join;
    REAL miterlimit;
};

struct GpGraphics{
    HDC hdc;
    HWND hwnd;
    SmoothingMode smoothing;
    CompositingQuality compqual;
    InterpolationMode interpolation;
    PixelOffsetMode pixeloffset;
};

struct GpBrush{
    HBRUSH gdibrush;
    GpBrushType bt;
    COLORREF color;
};

struct GpSolidFill{
    GpBrush brush;
};

struct GpPath{
    GpFillMode fill;
    GpPathData pathdata;
    BOOL newfigure; /* whether the next drawing action starts a new figure */
    INT datalen; /* size of the arrays in pathdata */
};

struct GpMatrix{
    REAL matrix[6];
};

#endif