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