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geometry.h
/*
Copyright @ 1999 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/license/
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 */
AspectRatioValue = 0x100000, /* '~' special handling needed */
AlphaValue = 0x200000, /* '/' alpha */
MaximumValue = 0x400000, /* '#' special handling needed */
#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
_AffineMatrix
Definition geometry.h:95
_GeometryInfo
Definition geometry.h:106
_OffsetInfo
Definition geometry.h:116
_PointInfo
Definition geometry.h:123
_RectangleInfo
Definition geometry.h:130