text: /*
    Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization
    dedicated to making software imaging solutions freely available.
  
    You may not use this file except in compliance with the License.  You may
    obtain a copy of the License at
  
      https://imagemagick.org/script/license.php
  
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
  
    MagickCore image geometry methods.
  */
  #ifndef MAGICKCORE_GEOMETRY_H
  #define MAGICKCORE_GEOMETRY_H
  
  #if defined(__cplusplus) || defined(c_plusplus)
  extern "C" {
  #endif
  
  typedef enum
  {
  #undef NoValue
    NoValue = 0x0000,
  #undef XValue
    XValue = 0x0001,
    XiValue = 0x0001,
  #undef YValue
    YValue = 0x0002,
    PsiValue = 0x0002,
  #undef WidthValue
    WidthValue = 0x0004,
    RhoValue = 0x0004,
  #undef HeightValue
    HeightValue = 0x0008,
    SigmaValue = 0x0008,
    ChiValue = 0x0010,
    XiNegative = 0x0020,
  #undef XNegative
    XNegative = 0x0020,
    PsiNegative = 0x0040,
  #undef YNegative
    YNegative = 0x0040,
    ChiNegative = 0x0080,
    PercentValue = 0x1000,    /* '%'  percentage of something */
    AspectValue = 0x2000,     /* '!'  resize no-aspect - special use flag */
    NormalizeValue = 0x2000,  /* '!'  ScaleKernelValue() in morphology.c */
    LessValue = 0x4000,       /* '<'  resize smaller - special use flag */
    GreaterValue = 0x8000,    /* '>'  resize larger - spacial use flag */
    MaximumValue = 0x10000,   /* '#'  special handling needed */
    MinimumValue = 0x20000,   /* '^'  special handling needed */
    CorrelateNormalizeValue = 0x20000, /* '^' see ScaleKernelValue() */
    AreaValue = 0x40000,      /* '@'  resize to area - special use flag */
    DecimalValue = 0x80000,   /* '.'  floating point numbers found */
    SeparatorValue = 0x100000, /* 'x'  separator found */
    AspectRatioValue = 0x200000,    /* '~'  special handling needed */
    AlphaValue = 0x400000,    /* '/'  alpha */
  #undef AllValues
    AllValues = 0x7fffffff
  } GeometryFlags;
  
  #if defined(ForgetGravity)
  #undef ForgetGravity
  #undef NorthWestGravity
  #undef NorthGravity
  #undef NorthEastGravity
  #undef WestGravity
  #undef CenterGravity
  #undef EastGravity
  #undef SouthWestGravity
  #undef SouthGravity
  #undef SouthEastGravity
  #endif
  
  typedef enum
  {
    UndefinedGravity,
    ForgetGravity = 0,
    NorthWestGravity = 1,
    NorthGravity = 2,
    NorthEastGravity = 3,
    WestGravity = 4,
    CenterGravity = 5,
    EastGravity = 6,
    SouthWestGravity = 7,
    SouthGravity = 8,
    SouthEastGravity = 9
  } GravityType;
  
  typedef struct _AffineMatrix
  {
    double
      sx,
      rx,
      ry,
      sy,
      tx,
      ty;
  } AffineMatrix;
  
  typedef struct _GeometryInfo
  {
    double
      rho,
      sigma,
      xi,
      psi,
      chi;
  } GeometryInfo;
  
  typedef struct _OffsetInfo
  {
    ssize_t
      x,
      y;
  } OffsetInfo;
  
  typedef struct _PointInfo
  {
    double
      x,
      y;
  } PointInfo;
  
  typedef struct _RectangleInfo
  {
    size_t
      width,
      height;
  
    ssize_t
      x,
      y;
  } RectangleInfo;
  
  extern MagickExport char
    *GetPageGeometry(const char *);
  
  extern MagickExport MagickBooleanType
    IsGeometry(const char *),
    IsSceneGeometry(const char *,const MagickBooleanType);
  
  extern MagickExport MagickStatusType
    GetGeometry(const char *,ssize_t *,ssize_t *,size_t *,size_t *),
    ParseAbsoluteGeometry(const char *,RectangleInfo *),
    ParseAffineGeometry(const char *,AffineMatrix *,ExceptionInfo *),
    ParseGeometry(const char *,GeometryInfo *),
    ParseGravityGeometry(const Image *,const char *,RectangleInfo *,
      ExceptionInfo *),
    ParseMetaGeometry(const char *,ssize_t *,ssize_t *,size_t *,size_t *),
    ParsePageGeometry(const Image *,const char *,RectangleInfo *,ExceptionInfo *),
    ParseRegionGeometry(const Image *,const char *,RectangleInfo *,
      ExceptionInfo *);
  
  extern MagickExport void
    GravityAdjustGeometry(const size_t,const size_t,const GravityType,
      RectangleInfo *),
    SetGeometry(const Image *,RectangleInfo *),
    SetGeometryInfo(GeometryInfo *);
  
  #if defined(__cplusplus) || defined(c_plusplus)
  }
  #endif
  
  #endif
  