/* [<][>][^][v][top][bottom][index][help] */
DEFINITIONS
This source file includes following definitions.
- MagickMax
- AcquireQuantumInfo
- AcquireQuantumPixels
- DestroyQuantumInfo
- DestroyQuantumPixels
- GetQuantumExtent
- GetQuantumInfo
- GetQuantumPixels
- GetQuantumType
- SetQuantumAlphaType
- SetQuantumDepth
- SetQuantumFormat
- SetQuantumImageType
- SetQuantumPack
- SetQuantumPad
- SetQuantumMinIsWhite
- SetQuantumQuantum
- SetQuantumScale
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% QQQ U U AAA N N TTTTT U U M M %
% Q Q U U A A NN N T U U MM MM %
% Q Q U U AAAAA N N N T U U M M M %
% Q QQ U U A A N NN T U U M M %
% QQQQ UUU A A N N T UUU M M %
% %
% MagicCore Methods to Acquire / Destroy Quantum Pixels %
% %
% Software Design %
% John Cristy %
% October 1998 %
% %
% %
% Copyright 1999-2008 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 %
% %
% 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. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
Include declarations.
*/
#include "magick/studio.h"
#include "magick/property.h"
#include "magick/blob.h"
#include "magick/blob-private.h"
#include "magick/color-private.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/cache.h"
#include "magick/constitute.h"
#include "magick/delegate.h"
#include "magick/geometry.h"
#include "magick/list.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/monitor.h"
#include "magick/option.h"
#include "magick/pixel.h"
#include "magick/pixel-private.h"
#include "magick/quantum.h"
#include "magick/quantum-private.h"
#include "magick/resource_.h"
#include "magick/semaphore.h"
#include "magick/statistic.h"
#include "magick/stream.h"
#include "magick/string_.h"
#include "magick/string-private.h"
#include "magick/thread-private.h"
#include "magick/utility.h"
/*
Define declarations.
*/
#define QuantumSignature 0xab
/*
Forward declarations.
*/
static void
DestroyQuantumPixels(QuantumInfo *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
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% A c q u i r e Q u a n t u m I n f o %
% %
% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireQuantumInfo() allocates the QuantumInfo structure.
%
% The format of the AcquireQuantumInfo method is:
%
% QuantumInfo *AcquireQuantumInfo(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o image: the image.
%
*/
static inline size_t MagickMax(const size_t x,
const size_t y)
{
if (x > y)
return(x);
return(y);
}
MagickExport QuantumInfo *AcquireQuantumInfo(const ImageInfo *image_info,
Image *image)
{
MagickBooleanType
status;
QuantumInfo
*quantum_info;
quantum_info=(QuantumInfo *) AcquireMagickMemory(sizeof(*quantum_info));
if (quantum_info == (QuantumInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
quantum_info->signature=MagickSignature;
GetQuantumInfo(image_info,quantum_info);
if (image == (const Image *) NULL)
return(quantum_info);
status=SetQuantumDepth(image,quantum_info,image->depth);
if (status == MagickFalse)
quantum_info=DestroyQuantumInfo(quantum_info);
return(quantum_info);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
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+ A c q u i r e Q u a n t u m P i x e l s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireQuantumPixels() allocates the unsigned char structure.
%
% The format of the AcquireQuantumPixels method is:
%
% MagickBooleanType AcquireQuantumPixels(QuantumInfo *quantum_info,
% const size_t extent)
%
% A description of each parameter follows:
%
% o quantum_info: the quantum info.
%
% o extent: the quantum info.
%
*/
static MagickBooleanType AcquireQuantumPixels(QuantumInfo *quantum_info,
const size_t extent)
{
register ssize_t
i;
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
quantum_info->number_threads=GetOpenMPMaximumThreads();
quantum_info->pixels=(unsigned char **) AcquireQuantumMemory(
quantum_info->number_threads,sizeof(*quantum_info->pixels));
if (quantum_info->pixels == (unsigned char **) NULL)
return(MagickFalse);
quantum_info->extent=extent;
(void) ResetMagickMemory(quantum_info->pixels,0,
quantum_info->number_threads*sizeof(*quantum_info->pixels));
for (i=0; i < (ssize_t) quantum_info->number_threads; i++)
{
quantum_info->pixels[i]=(unsigned char *) AcquireQuantumMemory(extent+1,
sizeof(**quantum_info->pixels));
if (quantum_info->pixels[i] == (unsigned char *) NULL)
return(MagickFalse);
(void) ResetMagickMemory(quantum_info->pixels[i],0,(extent+1)*
sizeof(**quantum_info->pixels));
quantum_info->pixels[i][extent]=QuantumSignature;
}
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
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% D e s t r o y Q u a n t u m I n f o %
% %
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%
% DestroyQuantumInfo() deallocates memory associated with the QuantumInfo
% structure.
%
% The format of the DestroyQuantumInfo method is:
%
% QuantumInfo *DestroyQuantumInfo(QuantumInfo *quantum_info)
%
% A description of each parameter follows:
%
% o quantum_info: the quantum info.
%
*/
MagickExport QuantumInfo *DestroyQuantumInfo(QuantumInfo *quantum_info)
{
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
if (quantum_info->pixels != (unsigned char **) NULL)
DestroyQuantumPixels(quantum_info);
if (quantum_info->semaphore != (SemaphoreInfo *) NULL)
DestroySemaphoreInfo(&quantum_info->semaphore);
quantum_info->signature=(~MagickSignature);
quantum_info=(QuantumInfo *) RelinquishMagickMemory(quantum_info);
return(quantum_info);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ D e s t r o y Q u a n t u m P i x e l s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyQuantumPixels() destroys the quantum pixels.
%
% The format of the DestroyQuantumPixels() method is:
%
% void DestroyQuantumPixels(QuantumInfo *quantum_info)
%
% A description of each parameter follows:
%
% o quantum_info: the quantum info.
%
*/
static void DestroyQuantumPixels(QuantumInfo *quantum_info)
{
register ssize_t
i;
ssize_t
extent;
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
assert(quantum_info->pixels != (unsigned char **) NULL);
extent=(ssize_t) quantum_info->extent;
for (i=0; i < (ssize_t) quantum_info->number_threads; i++)
if (quantum_info->pixels[i] != (unsigned char *) NULL)
{
/*
Did we overrun our quantum buffer?
*/
assert(quantum_info->pixels[i][extent] == QuantumSignature);
quantum_info->pixels[i]=(unsigned char *) RelinquishMagickMemory(
quantum_info->pixels[i]);
}
quantum_info->pixels=(unsigned char **) RelinquishMagickMemory(
quantum_info->pixels);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t Q u a n t u m E x t e n t %
% %
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% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetQuantumExtent() returns the quantum pixel buffer extent.
%
% The format of the GetQuantumExtent method is:
%
% size_t GetQuantumExtent(Image *image,const QuantumInfo *quantum_info,
% const QuantumType quantum_type)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o quantum_info: the quantum info.
%
% o quantum_type: Declare which pixel components to transfer (red, green,
% blue, opacity, RGB, or RGBA).
%
*/
MagickExport size_t GetQuantumExtent(const Image *image,
const QuantumInfo *quantum_info,const QuantumType quantum_type)
{
size_t
packet_size;
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
packet_size=1;
switch (quantum_type)
{
case GrayAlphaQuantum: packet_size=2; break;
case IndexAlphaQuantum: packet_size=2; break;
case RGBQuantum: packet_size=3; break;
case BGRQuantum: packet_size=3; break;
case RGBAQuantum: packet_size=4; break;
case RGBOQuantum: packet_size=4; break;
case BGRAQuantum: packet_size=4; break;
case CMYKQuantum: packet_size=4; break;
case CMYKAQuantum: packet_size=5; break;
default: break;
}
if (quantum_info->pack == MagickFalse)
return((size_t) (packet_size*image->columns*((quantum_info->depth+7)/8)));
return((size_t) ((packet_size*image->columns*quantum_info->depth+7)/8));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t Q u a n t u m I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetQuantumInfo() initializes the QuantumInfo structure to default values.
%
% The format of the GetQuantumInfo method is:
%
% GetQuantumInfo(const ImageInfo *image_info,QuantumInfo *quantum_info)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o quantum_info: the quantum info.
%
*/
MagickExport void GetQuantumInfo(const ImageInfo *image_info,
QuantumInfo *quantum_info)
{
const char
*option;
assert(quantum_info != (QuantumInfo *) NULL);
(void) ResetMagickMemory(quantum_info,0,sizeof(*quantum_info));
quantum_info->quantum=8;
quantum_info->maximum=1.0;
quantum_info->scale=QuantumRange;
quantum_info->pack=MagickTrue;
quantum_info->semaphore=AllocateSemaphoreInfo();
quantum_info->signature=MagickSignature;
if (image_info == (const ImageInfo *) NULL)
return;
option=GetImageOption(image_info,"quantum:format");
if (option != (char *) NULL)
quantum_info->format=(QuantumFormatType) ParseMagickOption(
MagickQuantumFormatOptions,MagickFalse,option);
option=GetImageOption(image_info,"quantum:minimum");
if (option != (char *) NULL)
quantum_info->minimum=StringToDouble(option);
option=GetImageOption(image_info,"quantum:maximum");
if (option != (char *) NULL)
quantum_info->maximum=StringToDouble(option);
if ((quantum_info->minimum == 0.0) && (quantum_info->maximum == 0.0))
quantum_info->scale=0.0;
else
if (quantum_info->minimum == quantum_info->maximum)
{
quantum_info->scale=(MagickRealType) QuantumRange/quantum_info->minimum;
quantum_info->minimum=0.0;
}
else
quantum_info->scale=(MagickRealType) QuantumRange/(quantum_info->maximum-
quantum_info->minimum);
option=GetImageOption(image_info,"quantum:scale");
if (option != (char *) NULL)
quantum_info->scale=StringToDouble(option);
option=GetImageOption(image_info,"quantum:polarity");
if (option != (char *) NULL)
quantum_info->min_is_white=LocaleCompare(option,"min-is-white") == 0 ?
MagickTrue : MagickFalse;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
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% G e t Q u a n t u m P i x e l s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetQuantumPixels() returns the quantum pixels.
%
% The format of the GetQuantumPixels method is:
%
% unsigned char *QuantumPixels GetQuantumPixels(
% const QuantumInfo *quantum_info)
%
% A description of each parameter follows:
%
% o image: the image.
%
*/
MagickExport unsigned char *GetQuantumPixels(const QuantumInfo *quantum_info)
{
const int
id = GetOpenMPThreadId();
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
return(quantum_info->pixels[id]);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t Q u a n t u m T y p e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetQuantumType() returns the quantum type of the image.
%
% The format of the GetQuantumType method is:
%
% QuantumType GetQuantumType(Image *image,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: the image.
%
*/
MagickExport QuantumType GetQuantumType(Image *image,ExceptionInfo *exception)
{
QuantumType
quantum_type;
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
quantum_type=RGBQuantum;
if (image->matte != MagickFalse)
quantum_type=RGBAQuantum;
if (image->colorspace == CMYKColorspace)
{
quantum_type=CMYKQuantum;
if (image->matte != MagickFalse)
quantum_type=CMYKAQuantum;
}
if (IsGrayImage(image,exception) != MagickFalse)
{
quantum_type=GrayQuantum;
if (image->matte != MagickFalse)
quantum_type=GrayAlphaQuantum;
}
else
if (image->storage_class == PseudoClass)
{
quantum_type=IndexQuantum;
if (image->matte != MagickFalse)
quantum_type=IndexAlphaQuantum;
}
return(quantum_type);
}
/*
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% %
% %
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% S e t Q u a n t u m F o r m a t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% SetQuantumAlphaType() sets the quantum format.
%
% The format of the SetQuantumAlphaType method is:
%
% void SetQuantumAlphaType(QuantumInfo *quantum_info,
% const QuantumAlphaType type)
%
% A description of each parameter follows:
%
% o quantum_info: the quantum info.
%
% o type: the alpha type (e.g. associate).
%
*/
MagickExport void SetQuantumAlphaType(QuantumInfo *quantum_info,
const QuantumAlphaType type)
{
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
quantum_info->alpha_type=type;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
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% S e t Q u a n t u m D e p t h %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% SetQuantumDepth() sets the quantum depth.
%
% The format of the SetQuantumDepth method is:
%
% MagickBooleanType SetQuantumDepth(const Image *image,
% QuantumInfo *quantum_info,const size_t depth)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o quantum_info: the quantum info.
%
% o depth: the quantum depth.
%
*/
MagickExport MagickBooleanType SetQuantumDepth(const Image *image,
QuantumInfo *quantum_info,const size_t depth)
{
MagickBooleanType
status;
/*
Allocate the quantum pixel buffer.
*/
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
quantum_info->depth=depth;
if (quantum_info->format == FloatingPointQuantumFormat)
{
if (quantum_info->depth > 32)
quantum_info->depth=64;
else
if (quantum_info->depth > 16)
quantum_info->depth=32;
else
quantum_info->depth=16;
}
if (quantum_info->pixels != (unsigned char **) NULL)
DestroyQuantumPixels(quantum_info);
status=AcquireQuantumPixels(quantum_info,(6+quantum_info->pad)*image->columns*
((quantum_info->depth+7)/8)); /* allow for CMYKA + RLE byte + pad */
return(status);
}
/*
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% %
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% S e t Q u a n t u m F o r m a t %
% %
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%
% SetQuantumFormat() sets the quantum format.
%
% The format of the SetQuantumFormat method is:
%
% MagickBooleanType SetQuantumFormat(const Image *image,
% QuantumInfo *quantum_info,const QuantumFormatType format)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o quantum_info: the quantum info.
%
% o format: the quantum format.
%
*/
MagickExport MagickBooleanType SetQuantumFormat(const Image *image,
QuantumInfo *quantum_info,const QuantumFormatType format)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
quantum_info->format=format;
return(SetQuantumDepth(image,quantum_info,quantum_info->depth));
}
/*
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% S e t Q u a n t u m I m a g e T y p e %
% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% SetQuantumImageType() sets the image type based on the quantum type.
%
% The format of the SetQuantumImageType method is:
%
% void ImageType SetQuantumImageType(Image *image,
% const QuantumType quantum_type)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o quantum_type: Declare which pixel components to transfer (red, green,
% blue, opacity, RGB, or RGBA).
%
*/
MagickExport void SetQuantumImageType(Image *image,
const QuantumType quantum_type)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
switch (quantum_type)
{
case IndexQuantum:
case IndexAlphaQuantum:
{
image->type=PaletteType;
break;
}
case GrayQuantum:
case GrayAlphaQuantum:
{
image->type=GrayscaleType;
if (image->depth == 1)
image->type=BilevelType;
break;
}
case CyanQuantum:
case MagentaQuantum:
case YellowQuantum:
case BlackQuantum:
case CMYKQuantum:
case CMYKAQuantum:
{
image->type=ColorSeparationType;
break;
}
default:
{
image->type=TrueColorType;
break;
}
}
}
/*
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% S e t Q u a n t u m P a c k %
% %
% %
% %
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%
% SetQuantumPack() sets the quantum pack flag.
%
% The format of the SetQuantumPack method is:
%
% void SetQuantumPack(QuantumInfo *quantum_info,
% const MagickBooleanType pack)
%
% A description of each parameter follows:
%
% o quantum_info: the quantum info.
%
% o pack: the pack flag.
%
*/
MagickExport void SetQuantumPack(QuantumInfo *quantum_info,
const MagickBooleanType pack)
{
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
quantum_info->pack=pack;
}
/*
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% %
% %
% %
% S e t Q u a n t u m P a d %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% SetQuantumPad() sets the quantum pad.
%
% The format of the SetQuantumPad method is:
%
% MagickBooleanType SetQuantumPad(const Image *image,
% QuantumInfo *quantum_info,const size_t pad)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o quantum_info: the quantum info.
%
% o pad: the quantum pad.
%
*/
MagickExport MagickBooleanType SetQuantumPad(const Image *image,
QuantumInfo *quantum_info,const size_t pad)
{
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
quantum_info->pad=pad;
return(SetQuantumDepth(image,quantum_info,quantum_info->depth));
}
/*
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% %
% %
% %
% S e t Q u a n t u m M i n I s W h i t e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% SetQuantumMinIsWhite() sets the quantum min-is-white flag.
%
% The format of the SetQuantumMinIsWhite method is:
%
% void SetQuantumMinIsWhite(QuantumInfo *quantum_info,
% const MagickBooleanType min_is_white)
%
% A description of each parameter follows:
%
% o quantum_info: the quantum info.
%
% o min_is_white: the min-is-white flag.
%
*/
MagickExport void SetQuantumMinIsWhite(QuantumInfo *quantum_info,
const MagickBooleanType min_is_white)
{
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
quantum_info->min_is_white=min_is_white;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% S e t Q u a n t u m Q u a n t u m %
% %
% %
% %
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%
% SetQuantumQuantum() sets the quantum quantum.
%
% The format of the SetQuantumQuantum method is:
%
% void SetQuantumQuantum(QuantumInfo *quantum_info,
% const size_t quantum)
%
% A description of each parameter follows:
%
% o quantum_info: the quantum info.
%
% o quantum: the quantum quantum.
%
*/
MagickExport void SetQuantumQuantum(QuantumInfo *quantum_info,
const size_t quantum)
{
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
quantum_info->quantum=quantum;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% S e t Q u a n t u m S c a l e %
% %
% %
% %
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%
% SetQuantumScale() sets the quantum scale.
%
% The format of the SetQuantumScale method is:
%
% void SetQuantumScale(QuantumInfo *quantum_info,const double scale)
%
% A description of each parameter follows:
%
% o quantum_info: the quantum info.
%
% o scale: the quantum scale.
%
*/
MagickExport void SetQuantumScale(QuantumInfo *quantum_info,const double scale)
{
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickSignature);
quantum_info->scale=scale;
}