MagickCore  7.0.9
Convert, Edit, Or Compose Bitmap Images
Data Structures | Macros | Enumerations | Functions
fx.c File Reference
#include "MagickCore/studio.h"
#include "MagickCore/accelerate-private.h"
#include "MagickCore/annotate.h"
#include "MagickCore/artifact.h"
#include "MagickCore/attribute.h"
#include "MagickCore/cache.h"
#include "MagickCore/cache-view.h"
#include "MagickCore/channel.h"
#include "MagickCore/color.h"
#include "MagickCore/color-private.h"
#include "MagickCore/colorspace-private.h"
#include "MagickCore/composite.h"
#include "MagickCore/decorate.h"
#include "MagickCore/distort.h"
#include "MagickCore/draw.h"
#include "MagickCore/effect.h"
#include "MagickCore/enhance.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/fx.h"
#include "MagickCore/fx-private.h"
#include "MagickCore/gem.h"
#include "MagickCore/gem-private.h"
#include "MagickCore/geometry.h"
#include "MagickCore/layer.h"
#include "MagickCore/list.h"
#include "MagickCore/log.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/memory-private.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/option.h"
#include "MagickCore/pixel.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/property.h"
#include "MagickCore/quantum.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/random_.h"
#include "MagickCore/random-private.h"
#include "MagickCore/resample.h"
#include "MagickCore/resample-private.h"
#include "MagickCore/resize.h"
#include "MagickCore/resource_.h"
#include "MagickCore/splay-tree.h"
#include "MagickCore/statistic.h"
#include "MagickCore/string_.h"
#include "MagickCore/string-private.h"
#include "MagickCore/thread-private.h"
#include "MagickCore/threshold.h"
#include "MagickCore/transform.h"
#include "MagickCore/transform-private.h"
#include "MagickCore/utility.h"

Data Structures

struct  _FxInfo
 

Macros

#define FxMaxParenthesisDepth   58
 
#define FxMaxSubexpressionDepth   200
 
#define FxReturn(value)
 
#define FxParseConditional(subexpression, sentinal, p, q)
 
#define FxImageTag   "Fx/Image"
 

Enumerations

enum  FxOperator {
  BitwiseAndAssignmentOperator = 0xd9U, BitwiseOrAssignmentOperator, LeftShiftAssignmentOperator, RightShiftAssignmentOperator,
  PowerAssignmentOperator, ModuloAssignmentOperator, PlusAssignmentOperator, SubtractAssignmentOperator,
  MultiplyAssignmentOperator, DivideAssignmentOperator, IncrementAssignmentOperator, DecrementAssignmentOperator,
  LeftShiftOperator, RightShiftOperator, LessThanEqualOperator, GreaterThanEqualOperator,
  EqualOperator, NotEqualOperator, LogicalAndOperator, LogicalOrOperator,
  ExponentialNotation
}
 

Functions

MagickPrivate FxInfo * AcquireFxInfo (const Image *images, const char *expression, ExceptionInfo *exception)
 
MagickPrivate FxInfo * DestroyFxInfo (FxInfo *fx_info)
 
static const double * GetFxSymbolValue (FxInfo *magick_restrict fx_info, const char *symbol)
 
static MagickBooleanType SetFxSymbolValue (FxInfo *magick_restrict fx_info, const char *magick_restrict symbol, double const value)
 
static double FxChannelStatistics (FxInfo *fx_info, Image *image, PixelChannel channel, const char *symbol, ExceptionInfo *exception)
 
static double FxEvaluateSubexpression (FxInfo *, const PixelChannel, const ssize_t, const ssize_t, const char *, const size_t, double *, ExceptionInfo *)
 
static MagickBooleanType IsFxFunction (const char *expression, const char *name, const size_t length)
 
static MagickOffsetType FxGCD (MagickOffsetType alpha, MagickOffsetType beta)
 
static const char * FxSubexpression (const char *expression, ExceptionInfo *exception)
 
static double FxGetSymbol (FxInfo *fx_info, const PixelChannel channel, const ssize_t x, const ssize_t y, const char *expression, const size_t depth, ExceptionInfo *exception)
 
static const char * FxOperatorPrecedence (const char *expression, ExceptionInfo *exception)
 
MagickPrivate MagickBooleanType FxEvaluateExpression (FxInfo *fx_info, double *alpha, ExceptionInfo *exception)
 
MagickExport MagickBooleanType FxPreprocessExpression (FxInfo *fx_info, double *alpha, ExceptionInfo *exception)
 
MagickPrivate MagickBooleanType FxEvaluateChannelExpression (FxInfo *fx_info, const PixelChannel channel, const ssize_t x, const ssize_t y, double *alpha, ExceptionInfo *exception)
 
static FxInfo ** DestroyFxThreadSet (FxInfo **fx_info)
 
static FxInfo ** AcquireFxThreadSet (const Image *image, const char *expression, ExceptionInfo *exception)
 
MagickExport Image * FxImage (const Image *image, const char *expression, ExceptionInfo *exception)
 

Macro Definition Documentation

#define FxImageTag   "Fx/Image"

Referenced by FxImage().

#define FxMaxParenthesisDepth   58

Referenced by FxEvaluateSubexpression().

#define FxMaxSubexpressionDepth   200

Referenced by FxEvaluateSubexpression().

#define FxParseConditional (   subexpression,
  sentinal,
  p,
  q 
)
Value:
{ \
p=subexpression; \
for (q=(char *) p; (*q != (sentinal)) && (*q != '\0'); q++) \
if (*q == '(') \
{ \
for (q++; (*q != ')') && (*q != '\0'); q++); \
if (*q == '\0') \
break; \
} \
if (*q == '\0') \
{ \
(void) ThrowMagickException(exception,GetMagickModule(), \
OptionError,"UnableToParseExpression","`%s'",subexpression); \
FxReturn(0.0); \
} \
if (strlen(q) == 1) \
*(q+1)='\0'; \
*q='\0'; \
}
FxReturn
#define FxReturn(value)
ThrowMagickException
MagickExport MagickBooleanType ThrowMagickException(ExceptionInfo *exception, const char *module, const char *function, const size_t line, const ExceptionType severity, const char *tag, const char *format,...)
Definition: exception.c:1145
GetMagickModule
#define GetMagickModule()
Definition: log.h:28
OptionError
Definition: exception.h:56

Referenced by FxEvaluateSubexpression().

#define FxReturn (   value)
Value:
{ \
subexpression=DestroyString(subexpression); \
return(value); \
}
DestroyString
MagickExport char * DestroyString(char *string)
Definition: string.c:823

Referenced by FxEvaluateSubexpression().

Enumeration Type Documentation

enum FxOperator
Enumerator
BitwiseAndAssignmentOperator 
BitwiseOrAssignmentOperator 
LeftShiftAssignmentOperator 
RightShiftAssignmentOperator 
PowerAssignmentOperator 
ModuloAssignmentOperator 
PlusAssignmentOperator 
SubtractAssignmentOperator 
MultiplyAssignmentOperator 
DivideAssignmentOperator 
IncrementAssignmentOperator 
DecrementAssignmentOperator 
LeftShiftOperator 
RightShiftOperator 
LessThanEqualOperator 
GreaterThanEqualOperator 
EqualOperator 
NotEqualOperator 
LogicalAndOperator 
LogicalOrOperator 
ExponentialNotation 

Function Documentation

MagickPrivate FxInfo* AcquireFxInfo ( const Image *  images,
const char *  expression,
ExceptionInfo *  exception 
)

References AcquireCriticalMemory(), AcquireExceptionInfo(), AcquireQuantumMemory(), AcquireRandomInfo(), AcquireVirtualCacheView(), BitwiseAndAssignmentOperator, BitwiseOrAssignmentOperator, _FxInfo::colors, CompareSplayTreeString(), ConstantString(), DecrementAssignmentOperator, DivideAssignmentOperator, EqualOperator, _FxInfo::exception, ExponentialNotation, _FxInfo::expression, _FxInfo::file, GetFirstImageInList(), GetImageListLength(), GreaterThanEqualOperator, _FxInfo::images, IncrementAssignmentOperator, LeftShiftAssignmentOperator, LeftShiftOperator, LessThanEqualOperator, LogicalAndOperator, LogicalOrOperator, ModuloAssignmentOperator, MultiplyAssignmentOperator, NewSplayTree(), _Image::next, NotEqualOperator, PlusAssignmentOperator, PowerAssignmentOperator, _FxInfo::random_info, RelinquishMagickMemory(), ResourceLimitFatalError, RightShiftAssignmentOperator, RightShiftOperator, SubstituteString(), SubtractAssignmentOperator, _FxInfo::symbols, ThrowFatalException, and _FxInfo::view.

static FxInfo** AcquireFxThreadSet ( const Image *  image,
const char *  expression,
ExceptionInfo *  exception 
)
static

References AcquireFxInfo(), AcquireQuantumMemory(), ConstantString(), DestroyFxThreadSet(), DestroyString(), _Image::filename, FileToString(), FxPreprocessExpression(), GetMagickModule, GetMagickResourceLimit(), MagickFalse, ResourceLimitError, ThreadResource, and ThrowMagickException().

Referenced by FxImage().

MagickPrivate FxInfo* DestroyFxInfo ( FxInfo *  fx_info)

References _FxInfo::colors, DestroyCacheView(), DestroyExceptionInfo(), DestroyRandomInfo(), DestroySplayTree(), DestroyString(), _FxInfo::exception, _FxInfo::expression, GetImageListLength(), _FxInfo::images, _FxInfo::random_info, RelinquishMagickMemory(), _FxInfo::symbols, and _FxInfo::view.

Referenced by DestroyFxThreadSet(), and InterpretImageProperties().

static FxInfo** DestroyFxThreadSet ( FxInfo **  fx_info)
static

References DestroyFxInfo(), GetMagickResourceLimit(), RelinquishMagickMemory(), and ThreadResource.

Referenced by AcquireFxThreadSet(), and FxImage().

static double FxChannelStatistics ( FxInfo *  fx_info,
Image *  image,
PixelChannel  channel,
const char *  symbol,
ExceptionInfo *  exception 
)
static

References FormatLocaleString(), GetFxSymbolValue(), GetImageDepth(), GetImageKurtosis(), GetImageMean(), GetImageRange(), LocaleNCompare(), MagickFalse, MagickPathExtent, MagickPixelChannelOptions, MagickTrue, ParseCommandOption(), QuantumScale, SetFxSymbolValue(), SetPixelChannelMask(), and UndefinedChannel.

Referenced by FxGetSymbol().

MagickPrivate MagickBooleanType FxEvaluateChannelExpression ( FxInfo *  fx_info,
const PixelChannel  channel,
const ssize_t  x,
const ssize_t  y,
double *  alpha,
ExceptionInfo *  exception 
)

References _FxInfo::expression, FxEvaluateSubexpression(), MagickFalse, MagickTrue, OptionError, and _ExceptionInfo::severity.

Referenced by FxEvaluateExpression(), FxImage(), FxPreprocessExpression(), and InterpretImageProperties().

MagickPrivate MagickBooleanType FxEvaluateExpression ( FxInfo *  fx_info,
double *  alpha,
ExceptionInfo *  exception 
)

References FxEvaluateChannelExpression(), and GrayPixelChannel.

static double FxEvaluateSubexpression ( FxInfo *  fx_info,
const PixelChannel  channel,
const ssize_t  x,
const ssize_t  y,
const char *  expression,
const size_t  depth,
double *  beta,
ExceptionInfo *  exception 
)
static

References AcquireString(), AlphaPixelChannel, BitwiseAndAssignmentOperator, BitwiseOrAssignmentOperator, BlackPixelChannel, BluePixelChannel, ClearMagickException(), CMYKColorspace, _Image::colorspace, CopyMagickString(), CyanPixelChannel, DecrementAssignmentOperator, DestroyString(), DivideAssignmentOperator, EqualOperator, ErrorException, ExponentialNotation, _FxInfo::file, _Image::filename, FormatLocaleFile(), FxGCD(), FxGetSymbol(), FxMaxParenthesisDepth, FxMaxSubexpressionDepth, FxOperatorPrecedence(), FxParseConditional, FxReturn, GetMagickModule, GetMagickPrecision(), GetPseudoRandomValue(), GRAYColorspace, GreaterThanEqualOperator, GreenPixelChannel, _FxInfo::images, IncrementAssignmentOperator, InterpretSiPrefixValue(), IsFxFunction(), IsNaN, LeftShiftAssignmentOperator, LeftShiftOperator, LessThanEqualOperator, LocaleCompare(), LocaleNCompare(), LogicalAndOperator, LogicalOrOperator, MagentaPixelChannel, MagickEpsilon, MagickFalse, MagickPathExtent, MagickPHI, MagickPI, ModuloAssignmentOperator, MultiplyAssignmentOperator, NotEqualOperator, OptionError, PerceptibleReciprocal(), PlusAssignmentOperator, PowerAssignmentOperator, QuantumRange, QuantumScale, _FxInfo::random_info, RedPixelChannel, RightShiftAssignmentOperator, RightShiftOperator, SetFxSymbolValue(), _ExceptionInfo::severity, SubtractAssignmentOperator, ThrowMagickException(), and YellowPixelChannel.

Referenced by FxEvaluateChannelExpression(), and FxGetSymbol().

static MagickOffsetType FxGCD ( MagickOffsetType  alpha,
MagickOffsetType  beta 
)
static

Referenced by FxEvaluateSubexpression().

static double FxGetSymbol ( FxInfo *  fx_info,
const PixelChannel  channel,
const ssize_t  x,
const ssize_t  y,
const char *  expression,
const size_t  depth,
ExceptionInfo *  exception 
)
static

References AcquireString(), AddValueToSplayTree(), AllCompliance, _PixelInfo::alpha, _PixelInfo::alpha_trait, AlphaPixelChannel, _PixelInfo::black, BlackPixelChannel, _PixelInfo::blue, BluePixelChannel, _GeometryInfo::chi, ChiValue, ClonePixelInfo(), CMYKColorspace, _FxInfo::colors, _Image::colorspace, _Image::columns, CompositePixelChannel, ConstantString(), ConvertRGBToHSL(), CopyMagickString(), CyanPixelChannel, DestroyString(), _FxInfo::exception, _Image::extent, _Image::filename, FxChannelStatistics(), FxEvaluateSubexpression(), GetBlobSize(), GetFxSymbolValue(), GetImageDepth(), GetImageFromList(), GetImageIndexInList(), GetImageListLength(), GetMagickModule, GetPixelInfo(), GetPixelIntensity(), GetValueFromSplayTree(), _PixelInfo::green, GreenPixelChannel, _RectangleInfo::height, ImageError, _FxInfo::images, IndexPixelChannel, _Image::interpolate, InterpolatePixelInfo(), IsFxFunction(), LocaleCompare(), LocaleNCompare(), MagentaPixelChannel, MagickFalse, MagickPathExtent, MaxPixelChannels, OptionError, _Image::page, ParseGeometry(), PerceptibleReciprocal(), _GeometryInfo::psi, PsiValue, _Image::quality, QuantumScale, QueryColorCompliance(), _PixelInfo::red, RedPixelChannel, _Image::resolution, _GeometryInfo::rho, RhoValue, _Image::rows, SetFxSymbolValue(), SetPixelViaPixelInfo(), _GeometryInfo::sigma, SigmaValue, StripString(), ThrowMagickException(), UndefinedPixelTrait, _FxInfo::view, _RectangleInfo::width, _PointInfo::x, _RectangleInfo::x, _GeometryInfo::xi, XiValue, _PointInfo::y, _RectangleInfo::y, and YellowPixelChannel.

Referenced by FxEvaluateSubexpression().

MagickExport Image* FxImage ( const Image *  image,
const char *  expression,
ExceptionInfo *  exception 
)

References AcquireAuthenticCacheView(), AcquireFxThreadSet(), AcquireVirtualCacheView(), ClampToQuantum(), CloneImage(), _Image::columns, CopyPixelTrait, _Image::debug, DestroyCacheView(), DestroyFxThreadSet(), DestroyImage(), DirectClass, _Image::filename, FxEvaluateChannelExpression(), FxImageTag, GetCacheViewVirtualPixels(), GetMagickModule, GetOpenMPThreadId(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, _Image::progress_monitor, QuantumRange, QueueCacheViewAuthenticPixels(), _Image::rows, SetImageProgress(), SetImageStorageClass(), SetPixelChannel(), _Image::signature, SyncCacheViewAuthenticPixels(), TraceEvent, and UndefinedPixelTrait.

static const char* FxOperatorPrecedence ( const char *  expression,
ExceptionInfo *  exception 
)
static

References BitwiseAndAssignmentOperator, BitwiseOrAssignmentOperator, DecrementAssignmentOperator, DivideAssignmentOperator, EqualOperator, ExponentialNotation, FxSubexpression(), GreaterThanEqualOperator, IncrementAssignmentOperator, IsFxFunction(), LeftShiftAssignmentOperator, LeftShiftOperator, LessThanEqualOperator, LocaleNCompare(), LogicalAndOperator, LogicalOrOperator, MagickFalse, ModuloAssignmentOperator, MultiplyAssignmentOperator, NotEqualOperator, PlusAssignmentOperator, PowerAssignmentOperator, RightShiftAssignmentOperator, RightShiftOperator, and SubtractAssignmentOperator.

Referenced by FxEvaluateSubexpression().

MagickExport MagickBooleanType FxPreprocessExpression ( FxInfo *  fx_info,
double *  alpha,
ExceptionInfo *  exception 
)

References _FxInfo::file, FxEvaluateChannelExpression(), and GrayPixelChannel.

Referenced by AcquireFxThreadSet().

static const char* FxSubexpression ( const char *  expression,
ExceptionInfo *  exception 
)
inlinestatic

References GetMagickModule, OptionError, and ThrowMagickException().

Referenced by FxOperatorPrecedence().

static const double* GetFxSymbolValue ( FxInfo *magick_restrict  fx_info,
const char *  symbol 
)
inlinestatic

References GetValueFromSplayTree().

Referenced by FxChannelStatistics(), and FxGetSymbol().

static MagickBooleanType IsFxFunction ( const char *  expression,
const char *  name,
const size_t  length 
)
inlinestatic

References LocaleNCompare(), MagickFalse, and MagickTrue.

Referenced by FxEvaluateSubexpression(), FxGetSymbol(), and FxOperatorPrecedence().

static MagickBooleanType SetFxSymbolValue ( FxInfo *magick_restrict  fx_info,
const char *magick_restrict  symbol,
double const  value 
)
inlinestatic

References AcquireQuantumMemory(), AddValueToSplayTree(), ConstantString(), GetMagickModule, GetValueFromSplayTree(), MagickFalse, MagickTrue, ResourceLimitError, and ThrowMagickException().

Referenced by FxChannelStatistics(), FxEvaluateSubexpression(), and FxGetSymbol().