| /* |
| Copyright 1999-2013 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. |
| obtain a copy of the License at |
| |
| http://www.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 */ |
| MinimumValue = 0x10000, /* '^' special handling needed */ |
| CorrelateNormalizeValue = 0x10000, /* '^' see ScaleKernelValue() */ |
| AreaValue = 0x20000, /* '@' resize to area - special use flag */ |
| DecimalValue = 0x40000, /* '.' floating point numbers found */ |
| SeparatorValue = 0x80000, /* 'x' separator found */ |
| #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 |