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/*
Copyright 1999-2010 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,
AspectValue = 0x2000,
NormalizeValue = 0x2000, /* see ScaleKernelValue() in morphology.c */
LessValue = 0x4000,
GreaterValue = 0x8000,
MinimumValue = 0x10000,
CorrelateNormalizeValue = 0x10000, /* see ScaleKernelValue() */
AreaValue = 0x20000,
DecimalValue = 0x40000,
#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
#undef StaticGravity
#endif
typedef enum
{
UndefinedGravity,
ForgetGravity = 0,
NorthWestGravity = 1,
NorthGravity = 2,
NorthEastGravity = 3,
WestGravity = 4,
CenterGravity = 5,
EastGravity = 6,
SouthWestGravity = 7,
SouthGravity = 8,
SouthEastGravity = 9,
StaticGravity = 10
} 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
{
long
x,
y;
} OffsetInfo;
typedef struct _RectangleInfo
{
unsigned long
width,
height;
long
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 *,long *,long *,unsigned long *,unsigned long *),
ParseAbsoluteGeometry(const char *,RectangleInfo *),
ParseAffineGeometry(const char *,AffineMatrix *,ExceptionInfo *),
ParseGeometry(const char *,GeometryInfo *),
ParseGravityGeometry(const Image *,const char *,RectangleInfo *,
ExceptionInfo *),
ParseMetaGeometry(const char *,long *,long *,unsigned long *,unsigned long *),
ParsePageGeometry(const Image *,const char *,RectangleInfo *,ExceptionInfo *),
ParseRegionGeometry(const Image *,const char *,RectangleInfo *,
ExceptionInfo *);
extern MagickExport void
GravityAdjustGeometry(const unsigned long,const unsigned long,
const GravityType,RectangleInfo *),
SetGeometry(const Image *,RectangleInfo *),
SetGeometryInfo(GeometryInfo *);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif
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