gdiplustypes.h

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/*
 * 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 _GDIPLUSTYPES_H
#define _GDIPLUSTYPES_H
 
typedef float REAL;
 
enum Status{
    Ok                          = 0,
    GenericError                = 1,
    InvalidParameter            = 2,
    OutOfMemory                 = 3,
    ObjectBusy                  = 4,
    InsufficientBuffer          = 5,
    NotImplemented              = 6,
    Win32Error                  = 7,
    WrongState                  = 8,
    Aborted                     = 9,
    FileNotFound                = 10,
    ValueOverflow               = 11,
    AccessDenied                = 12,
    UnknownImageFormat          = 13,
    FontFamilyNotFound          = 14,
    FontStyleNotFound           = 15,
    NotTrueTypeFont             = 16,
    UnsupportedGdiplusVersion   = 17,
    GdiplusNotInitialized       = 18,
    PropertyNotFound            = 19,
    PropertyNotSupported        = 20,
    ProfileNotFound             = 21
};
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef BOOL (CALLBACK * ImageAbort)(VOID *);
typedef ImageAbort DrawImageAbort;
typedef ImageAbort GetThumbnailImageAbort;
typedef struct GdiplusAbort GdiplusAbort;
 
typedef BOOL (CALLBACK * EnumerateMetafileProc)(EmfPlusRecordType,UINT,UINT,const BYTE*,VOID*);
 
#ifdef __cplusplus
}
#endif
 
 
#ifdef __cplusplus
 
class Size;
 
class Point
{
public:
   Point()
   {
       X = Y = 0;
   }
 
   Point(IN const Point &pt)
   {
       X = pt.X;
       Y = pt.Y;
   }
 
    Point(const Size &size);
 
   Point(IN INT x, IN INT y)
   {
       X = x;
       Y = y;
   }
 
   Point operator+(IN const Point& pt) const
   {
       return Point(X + pt.X, Y + pt.Y);
   }
 
   Point operator-(IN const Point& pt) const
   {
       return Point(X - pt.X, Y - pt.Y);
   }
 
   BOOL Equals(IN const Point& pt)
   {
       return (X == pt.X) && (Y == pt.Y);
   }
 
public:
    INT X;
    INT Y;
};
 
class SizeF;
 
class PointF
{
public:
   PointF()
   {
       X = Y = 0.0f;
   }
 
   PointF(IN const PointF &pt)
   {
       X = pt.X;
       Y = pt.Y;
   }
 
    PointF(const SizeF &size);
 
   PointF(IN REAL x, IN REAL y)
   {
       X = x;
       Y = y;
   }
 
   PointF operator+(IN const PointF& pt) const
   {
       return PointF(X + pt.X, Y + pt.Y);
   }
 
   PointF operator-(IN const PointF& pt) const
   {
       return PointF(X - pt.X, Y - pt.Y);
   }
 
   BOOL Equals(IN const PointF& pt)
   {
       return (X == pt.X) && (Y == pt.Y);
   }
 
public:
    REAL X;
    REAL Y;
};
 
class PathData
{
public:
    PathData()
    {
        Count = 0;
        Points = NULL;
        Types = NULL;
    }
 
    ~PathData()
    {
        if (Points != NULL)
        {
            delete Points;
        }
 
        if (Types != NULL)
        {
            delete Types;
        }
    }
 
private:
    PathData(const PathData &);
    PathData& operator=(const PathData &);
 
public:
    INT Count;
    PointF* Points;
    BYTE* Types;
};
 
class SizeF
{
  public:
    REAL Width;
    REAL Height;
 
    SizeF() : Width(0), Height(0)
    {
    }
 
    SizeF(const SizeF &size) : Width(size.Width), Height(size.Height)
    {
    }
 
    SizeF(REAL width, REAL height) : Width(width), Height(height)
    {
    }
 
    BOOL
    Empty() const
    {
        return Width == 0 && Height == 0;
    }
 
    BOOL
    Equals(const SizeF &sz) const
    {
        return Width == sz.Width && Height == sz.Height;
    }
 
    SizeF
    operator+(const SizeF &sz) const
    {
        return SizeF(Width + sz.Width, Height + sz.Height);
    }
 
    SizeF
    operator-(const SizeF &sz) const
    {
        return SizeF(Width - sz.Width, Height - sz.Height);
    }
};
 
#define REAL_EPSILON 1.192092896e-07F /* FLT_EPSILON */
 
class RectF
{
public:
    REAL X;
    REAL Y;
    REAL Width;
    REAL Height;
 
    RectF()
       : X(0), Y(0), Width(0), Height(0)
    {
    }
 
    RectF(const PointF &location, const SizeF &size)
        : X(location.X), Y(location.Y), Width(size.Width), Height(size.Height)
    {
    }
 
    RectF(REAL x, REAL y, REAL width, REAL height)
       : X(x), Y(y), Width(width), Height(height)
    {
    }
 
    RectF *
    Clone() const
    {
        return new RectF(X, Y, Width, Height);
    }
 
    BOOL
    Contains(const PointF &pt) const
    {
        return Contains(pt.X, pt.Y);
    }
 
    BOOL
    Contains(const RectF &rect) const
    {
        return X <= rect.X && rect.GetRight() <= GetRight() && Y <= rect.Y && rect.GetBottom() <= GetBottom();
    }
 
    BOOL
    Contains(REAL x, REAL y) const
    {
        return X <= x && x < X + Width && Y <= y && y < Y + Height;
    }
 
    BOOL
    Equals(const RectF &rect) const
    {
        return X == rect.X && Y == rect.Y && Width == rect.Width && Height == rect.Height;
    }
 
    REAL
    GetBottom() const
    {
        return Y + Height;
    }
 
    VOID
    GetBounds(RectF *rect) const
    {
        rect->X = X;
        rect->Y = Y;
        rect->Width = Width;
        rect->Height = Height;
    }
 
    REAL
    GetLeft() const
    {
        return X;
    }
 
    VOID
    GetLocation(PointF *point) const
    {
        point->X = X;
        point->Y = Y;
    }
 
    REAL
    GetRight() const
    {
        return X + Width;
    }
 
    VOID
    GetSize(SizeF *size) const
    {
        size->Width = Width;
        size->Height = Height;
    }
 
    REAL
    GetTop() const
    {
        return Y;
    }
 
    VOID
    Inflate(REAL dx, REAL dy)
    {
        X -= dx;
        Y -= dy;
        Width += 2 * dx;
        Height += 2 * dy;
    }
 
    VOID
    Inflate(const PointF &point)
    {
        Inflate(point.X, point.Y);
    }
 
    static BOOL
    Intersect(RectF &c, const RectF &a, const RectF &b)
    {
        // FIXME
        return FALSE;
    }
 
    BOOL
    Intersect(const RectF &rect)
    {
        return Intersect(*this, *this, rect);
    }
 
    BOOL
    IntersectsWith(const RectF &rect) const
    {
        return GetLeft() < rect.GetRight() && GetTop() < rect.GetTop() && GetRight() > rect.GetLeft() &&
               GetBottom() > rect.GetTop();
    }
 
    BOOL
    IsEmptyArea() const
    {
        return (Width <= REAL_EPSILON) || (Height <= REAL_EPSILON);
    }
 
    VOID
    Offset(REAL dx, REAL dy)
    {
        X += dx;
        Y += dy;
    }
 
    VOID
    Offset(const PointF &point)
    {
        Offset(point.X, point.Y);
    }
 
    static BOOL
    Union(RectF &c, const RectF &a, const RectF &b)
    {
        // FIXME
        return FALSE;
    }
};
 
class Size
{
  public:
    INT Width;
    INT Height;
 
    Size() : Width(0), Height(0)
    {
    }
 
    Size(const Size &size) : Width(size.Width), Height(size.Height)
    {
    }
 
    Size(INT width, INT height) : Width(width), Height(height)
    {
    }
 
    BOOL
    Empty() const
    {
        return Width == 0 && Height == 0;
    }
 
    BOOL
    Equals(const Size &sz) const
    {
        return Width == sz.Width && Height == sz.Height;
    }
 
    Size
    operator+(const Size &sz) const
    {
        return Size(Width + sz.Width, Height + sz.Height);
    }
 
    Size
    operator-(const Size &sz) const
    {
        return Size(Width - sz.Width, Height - sz.Height);
    }
};
 
class Rect
{
public:
    INT X;
    INT Y;
    INT Width;
    INT Height;
 
    Rect()
       : X(0), Y(0), Width(0), Height(0)
    {
    }
 
    Rect(const Point &location, const Size &size) : X(location.X), Y(location.Y), Width(size.Width), Height(size.Height)
    {
    }
 
    Rect(INT x, INT y, INT width, INT height)
       : X(x), Y(y), Width(width), Height(height)
    {
    }
 
    Rect *
    Clone() const
    {
        return new Rect(X, Y, Width, Height);
    }
 
    BOOL
    Contains(const Point &pt) const
    {
        return Contains(pt.X, pt.Y);
    }
 
    BOOL
    Contains(const Rect &rect) const
    {
        return X <= rect.X && rect.GetRight() <= GetRight() && Y <= rect.Y && rect.GetBottom() <= GetBottom();
    }
 
    BOOL
    Contains(INT x, INT y) const
    {
        return X <= x && x < X + Width && Y <= y && y < Y + Height;
    }
 
    BOOL
    Equals(const Rect &rect) const
    {
        return X == rect.X && Y == rect.Y && Width == rect.Width && Height == rect.Height;
    }
 
    INT
    GetBottom() const
    {
        return Y + Height;
    }
 
    VOID
    GetBounds(Rect *rect) const
    {
        rect->X = X;
        rect->Y = Y;
        rect->Width = Width;
        rect->Height = Height;
    }
 
    INT
    GetLeft() const
    {
        return X;
    }
 
    VOID
    GetLocation(Point *point) const
    {
        point->X = X;
        point->Y = Y;
    }
 
    INT
    GetRight() const
    {
        return X + Width;
    }
 
    VOID
    GetSize(Size *size) const
    {
        size->Width = Width;
        size->Height = Height;
    }
 
    INT
    GetTop() const
    {
        return Y;
    }
 
    VOID
    Inflate(INT dx, INT dy)
    {
        X -= dx;
        Y -= dy;
        Width += 2 * dx;
        Height += 2 * dy;
    }
 
    VOID
    Inflate(const Point &point)
    {
        Inflate(point.X, point.Y);
    }
 
    static BOOL
    Intersect(Rect &c, const Rect &a, const Rect &b)
    {
        // FIXME
        return FALSE;
    }
 
    BOOL
    Intersect(const Rect &rect)
    {
        return Intersect(*this, *this, rect);
    }
 
    BOOL
    IntersectsWith(const Rect &rect) const
    {
        return GetLeft() < rect.GetRight() && GetTop() < rect.GetTop() && GetRight() > rect.GetLeft() &&
               GetBottom() > rect.GetTop();
    }
 
    BOOL
    IsEmptyArea() const
    {
        return Width <= 0 || Height <= 0;
    }
 
    VOID
    Offset(INT dx, INT dy)
    {
        X += dx;
        Y += dy;
    }
 
    VOID
    Offset(const Point &point)
    {
        Offset(point.X, point.Y);
    }
 
    static BOOL
    Union(Rect &c, const Rect &a, const Rect &b)
    {
        // FIXME
        return FALSE;
    }
};
 
class CharacterRange
{
public:
    CharacterRange()
    {
        First = Length = 0;
    }
 
    CharacterRange(INT first, INT length)
    {
        First = first;
        Length = length;
    }
 
    CharacterRange& operator=(const CharacterRange& rhs)
    {
        First = rhs.First;
        Length = rhs.Length;
        return *this;
    }
public:
    INT First;
    INT Length;
};
 
inline Point::Point(const Size &size) : X(size.Width), Y(size.Height)
{
}
 
inline PointF::PointF(const SizeF &size) : X(size.Width), Y(size.Height)
{
}
 
#else /* end of c++ typedefs */
 
typedef struct Point
{
    INT X;
    INT Y;
} Point;
 
typedef struct PointF
{
    REAL X;
    REAL Y;
} PointF;
 
typedef struct PathData
{
    INT Count;
    PointF* Points;
    BYTE* Types;
} PathData;
 
typedef struct RectF
{
    REAL X;
    REAL Y;
    REAL Width;
    REAL Height;
} RectF;
 
typedef struct Rect
{
    INT X;
    INT Y;
    INT Width;
    INT Height;
} Rect;
 
typedef struct CharacterRange
{
    INT First;
    INT Length;
} CharacterRange;
 
typedef enum Status Status;
 
#endif /* end of c typedefs */
 
#endif