MagickExport Image *ChannelFxImage(const Image *image,const char *expression,
ExceptionInfo *exception)
{
#define ChannelFxImageTag "ChannelFx/Image"
ChannelFx
channel_op;
ChannelType
channel_mask;
char
token[MaxTextExtent];
const char
*p;
const Image
*source_image;
double
pixel;
Image
*destination_image;
MagickBooleanType
status;
PixelChannel
source_channel,
destination_channel;
ssize_t
channels;
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
source_image=image;
destination_image=CloneImage(source_image,0,0,MagickTrue,exception);
if (destination_image == (Image *) NULL)
return((Image *) NULL);
if (expression == (const char *) NULL)
return(destination_image);
destination_channel=RedPixelChannel;
channel_mask=UndefinedChannel;
pixel=0.0;
p=(char *) expression;
GetMagickToken(p,&p,token);
channel_op=ExtractChannelOp;
for (channels=0; *token != '\0'; )
{
ssize_t
i;
/*
Interpret channel expression.
*/
switch (*token)
{
case ',':
{
GetMagickToken(p,&p,token);
break;
}
case '|':
{
if (GetNextImageInList(source_image) != (Image *) NULL)
source_image=GetNextImageInList(source_image);
else
source_image=GetFirstImageInList(source_image);
GetMagickToken(p,&p,token);
break;
}
case ';':
{
Image
*canvas;
SetPixelChannelMask(destination_image,channel_mask);
if ((channel_op == ExtractChannelOp) && (channels == 1))
(void) SetImageColorspace(destination_image,GRAYColorspace,exception);
status=SetImageStorageClass(destination_image,DirectClass,exception);
if (status == MagickFalse)
{
destination_image=DestroyImageList(destination_image);
return(destination_image);
}
canvas=CloneImage(source_image,0,0,MagickTrue,exception);
if (canvas == (Image *) NULL)
{
destination_image=DestroyImageList(destination_image);
return(destination_image);
}
AppendImageToList(&destination_image,canvas);
destination_image=GetLastImageInList(destination_image);
GetMagickToken(p,&p,token);
channels=0;
destination_channel=RedPixelChannel;
channel_mask=UndefinedChannel;
break;
}
default:
break;
}
i=ParsePixelChannelOption(token);
if (i < 0)
{
(void) ThrowMagickException(exception,GetMagickModule(),OptionError,
"UnrecognizedChannelType","`%s'",token);
destination_image=DestroyImageList(destination_image);
return(destination_image);
}
source_channel=(PixelChannel) i;
channel_op=ExtractChannelOp;
GetMagickToken(p,&p,token);
if (*token == '<')
{
channel_op=ExchangeChannelOp;
GetMagickToken(p,&p,token);
}
if (*token == '=')
{
if (channel_op != ExchangeChannelOp)
channel_op=AssignChannelOp;
GetMagickToken(p,&p,token);
}
if (*token == '>')
{
if (channel_op != ExchangeChannelOp)
channel_op=TransferChannelOp;
GetMagickToken(p,&p,token);
}
switch (channel_op)
{
case AssignChannelOp:
{
pixel=StringToDoubleInterval(token,(double) QuantumRange+1.0);
GetMagickToken(p,&p,token);
break;
}
case ExchangeChannelOp:
case TransferChannelOp:
{
i=ParsePixelChannelOption(token);
if (i < 0)
{
(void) ThrowMagickException(exception,GetMagickModule(),OptionError,
"UnrecognizedChannelType","`%s'",token);
destination_image=DestroyImageList(destination_image);
return(destination_image);
}
destination_channel=(PixelChannel) i;
switch (destination_channel)
{
case RedPixelChannel:
case GreenPixelChannel:
case BluePixelChannel:
case BlackPixelChannel:
case IndexPixelChannel:
break;
case AlphaPixelChannel:
{
destination_image->alpha_trait=BlendPixelTrait;
break;
}
case ReadMaskPixelChannel:
{
destination_image->read_mask=MagickTrue;
break;
}
case WriteMaskPixelChannel:
{
destination_image->write_mask=MagickTrue;
break;
}
case MetaPixelChannel:
default:
{
(void) SetPixelMetaChannels(destination_image,(size_t) (i-
GetPixelChannels(destination_image)+1),exception);
break;
}
}
channel_mask=(ChannelType) (channel_mask | ParseChannelOption(token));
if (((channels >= 1) || (destination_channel >= 1)) &&
(IsGrayColorspace(destination_image->colorspace) != MagickFalse))
(void) SetImageColorspace(destination_image,sRGBColorspace,exception);
GetMagickToken(p,&p,token);
break;
}
default:
break;
}
status=ChannelImage(destination_image,destination_channel,channel_op,
source_image,source_channel,ClampToQuantum(pixel),exception);
if (status == MagickFalse)
{
destination_image=DestroyImageList(destination_image);
break;
}
channels++;
if (channel_op == ExchangeChannelOp)
{
status=ChannelImage(destination_image,source_channel,channel_op,
source_image,destination_channel,ClampToQuantum(pixel),exception);
if (status == MagickFalse)
{
destination_image=DestroyImageList(destination_image);
break;
}
channels++;
}
switch (channel_op)
{
case ExtractChannelOp:
{
channel_mask=(ChannelType) (channel_mask | (1 << destination_channel));
destination_channel=(PixelChannel) (destination_channel+1);
break;
}
default:
break;
}
status=SetImageProgress(source_image,ChannelFxImageTag,p-expression,
strlen(expression));
if (status == MagickFalse)
break;
}
SetPixelChannelMask(destination_image,channel_mask);
if ((channel_op == ExtractChannelOp) && (channels == 1))
(void) SetImageColorspace(destination_image,GRAYColorspace,exception);
status=SetImageStorageClass(destination_image,DirectClass,exception);
if (status == MagickFalse)
{
destination_image=GetLastImageInList(destination_image);
return((Image *) NULL);
}
return(GetFirstImageInList(destination_image));
}
WandExport MagickBooleanType CompareImagesCommand(ImageInfo *image_info,
int argc,char **argv,char **metadata,ExceptionInfo *exception)
{
#define CompareEpsilon (1.0e-06)
#define DefaultDissimilarityThreshold 0.31830988618379067154
#define DefaultSimilarityThreshold (-1.0)
#define DestroyCompare() \
{ \
if (similarity_image != (Image *) NULL) \
similarity_image=DestroyImageList(similarity_image); \
if (difference_image != (Image *) NULL) \
difference_image=DestroyImageList(difference_image); \
DestroyImageStack(); \
for (i=0; i < (ssize_t) argc; i++) \
argv[i]=DestroyString(argv[i]); \
argv=(char **) RelinquishMagickMemory(argv); \
}
#define ThrowCompareException(asperity,tag,option) \
{ \
if (exception->severity < (asperity)) \
(void) ThrowMagickException(exception,GetMagickModule(),asperity,tag, \
"`%s'",option); \
DestroyCompare(); \
return(MagickFalse); \
}
#define ThrowCompareInvalidArgumentException(option,argument) \
{ \
(void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
"InvalidArgument","'%s': %s",option,argument); \
DestroyCompare(); \
return(MagickFalse); \
}
char
*filename,
*option;
const char
*format;
double
dissimilarity_threshold,
distortion,
similarity_metric,
similarity_threshold;
Image
*difference_image,
*image,
*reconstruct_image,
*similarity_image;
ImageStack
image_stack[MaxImageStackDepth+1];
MagickBooleanType
fire,
pend,
respect_parenthesis,
subimage_search;
MagickStatusType
status;
MetricType
metric;
RectangleInfo
offset;
register ssize_t
i;
ssize_t
j,
k;
/*
Set defaults.
*/
assert(image_info != (ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
assert(exception != (ExceptionInfo *) NULL);
if (argc == 2)
{
option=argv[1];
if ((LocaleCompare("version",option+1) == 0) ||
(LocaleCompare("-version",option+1) == 0))
{
ListMagickVersion(stdout);
return(MagickFalse);
}
}
if (argc < 3)
return(CompareUsage());
difference_image=NewImageList();
similarity_image=NewImageList();
dissimilarity_threshold=DefaultDissimilarityThreshold;
similarity_threshold=DefaultSimilarityThreshold;
distortion=0.0;
format=(char *) NULL;
j=1;
k=0;
metric=UndefinedErrorMetric;
NewImageStack();
option=(char *) NULL;
pend=MagickFalse;
reconstruct_image=NewImageList();
respect_parenthesis=MagickFalse;
status=MagickTrue;
subimage_search=MagickFalse;
/*
Compare an image.
*/
ReadCommandlLine(argc,&argv);
status=ExpandFilenames(&argc,&argv);
if (status == MagickFalse)
ThrowCompareException(ResourceLimitError,"MemoryAllocationFailed",
GetExceptionMessage(errno));
for (i=1; i < (ssize_t) (argc-1); i++)
{
option=argv[i];
if (LocaleCompare(option,"(") == 0)
{
FireImageStack(MagickTrue,MagickTrue,pend);
if (k == MaxImageStackDepth)
ThrowCompareException(OptionError,"ParenthesisNestedTooDeeply",
option);
PushImageStack();
continue;
}
if (LocaleCompare(option,")") == 0)
{
FireImageStack(MagickTrue,MagickTrue,MagickTrue);
if (k == 0)
ThrowCompareException(OptionError,"UnableToParseExpression",option);
PopImageStack();
continue;
}
if (IsCommandOption(option) == MagickFalse)
{
Image
*images;
/*
Read input image.
*/
FireImageStack(MagickFalse,MagickFalse,pend);
filename=argv[i];
if ((LocaleCompare(filename,"--") == 0) && (i < (ssize_t) (argc-1)))
filename=argv[++i];
images=ReadImages(image_info,filename,exception);
status&=(images != (Image *) NULL) &&
(exception->severity < ErrorException);
if (images == (Image *) NULL)
continue;
AppendImageStack(images);
continue;
}
pend=image != (Image *) NULL ? MagickTrue : MagickFalse;
switch (*(option+1))
{
case 'a':
{
if (LocaleCompare("alpha",option+1) == 0)
{
ssize_t
type;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
type=ParseCommandOption(MagickAlphaChannelOptions,MagickFalse,argv[i]);
if (type < 0)
ThrowCompareException(OptionError,"UnrecognizedAlphaChannelOption",
argv[i]);
break;
}
if (LocaleCompare("authenticate",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option);
}
case 'c':
{
if (LocaleCompare("cache",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("channel",option+1) == 0)
{
ssize_t
channel;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
channel=ParseChannelOption(argv[i]);
if (channel < 0)
ThrowCompareException(OptionError,"UnrecognizedChannelType",
argv[i]);
(void) SetPixelChannelMask(image,(ChannelType) channel);
break;
}
if (LocaleCompare("colorspace",option+1) == 0)
{
ssize_t
colorspace;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
colorspace=ParseCommandOption(MagickColorspaceOptions,MagickFalse,
argv[i]);
if (colorspace < 0)
ThrowCompareException(OptionError,"UnrecognizedColorspace",
argv[i]);
break;
}
if (LocaleCompare("compose",option+1) == 0)
{
ssize_t
compose;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
compose=ParseCommandOption(MagickComposeOptions,MagickFalse,
argv[i]);
if (compose < 0)
ThrowCompareException(OptionError,"UnrecognizedComposeOperator",
argv[i]);
break;
}
if (LocaleCompare("compress",option+1) == 0)
{
ssize_t
compress;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
compress=ParseCommandOption(MagickCompressOptions,MagickFalse,
argv[i]);
if (compress < 0)
ThrowCompareException(OptionError,"UnrecognizedImageCompression",
argv[i]);
break;
}
if (LocaleCompare("concurrent",option+1) == 0)
break;
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'd':
{
if (LocaleCompare("debug",option+1) == 0)
{
LogEventType
event_mask;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
event_mask=SetLogEventMask(argv[i]);
if (event_mask == UndefinedEvents)
ThrowCompareException(OptionError,"UnrecognizedEventType",
argv[i]);
break;
}
if (LocaleCompare("decipher",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("define",option+1) == 0)
{
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (*option == '+')
{
const char
*define;
define=GetImageOption(image_info,argv[i]);
if (define == (const char *) NULL)
ThrowCompareException(OptionError,"NoSuchOption",argv[i]);
break;
}
break;
}
if (LocaleCompare("density",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("depth",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("dissimilarity-threshold",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
if (*option == '+')
dissimilarity_threshold=DefaultDissimilarityThreshold;
else
dissimilarity_threshold=StringToDouble(argv[i],(char **) NULL);
break;
}
if (LocaleCompare("duration",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'e':
{
if (LocaleCompare("encipher",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("extract",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'f':
{
if (LocaleCompare("format",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
format=argv[i];
break;
}
if (LocaleCompare("fuzz",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'h':
{
if ((LocaleCompare("help",option+1) == 0) ||
(LocaleCompare("-help",option+1) == 0))
return(CompareUsage());
if (LocaleCompare("highlight-color",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'i':
{
if (LocaleCompare("identify",option+1) == 0)
break;
if (LocaleCompare("interlace",option+1) == 0)
{
ssize_t
interlace;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
interlace=ParseCommandOption(MagickInterlaceOptions,MagickFalse,
argv[i]);
if (interlace < 0)
ThrowCompareException(OptionError,"UnrecognizedInterlaceType",
argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'l':
{
if (LocaleCompare("limit",option+1) == 0)
{
char
*p;
double
value;
ssize_t
resource;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
resource=ParseCommandOption(MagickResourceOptions,MagickFalse,
argv[i]);
if (resource < 0)
ThrowCompareException(OptionError,"UnrecognizedResourceType",
argv[i]);
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
value=StringToDouble(argv[i],&p);
(void) value;
if ((p == argv[i]) && (LocaleCompare("unlimited",argv[i]) != 0))
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("list",option+1) == 0)
{
ssize_t
list;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i]);
if (list < 0)
ThrowCompareException(OptionError,"UnrecognizedListType",argv[i]);
status=MogrifyImageInfo(image_info,(int) (i-j+1),(const char **)
argv+j,exception);
DestroyCompare();
return(status == 0 ? MagickTrue : MagickFalse);
}
if (LocaleCompare("log",option+1) == 0)
{
if (*option == '+')
break;
i++;
if ((i == (ssize_t) argc) || (strchr(argv[i],'%') == (char *) NULL))
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("lowlight-color",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'm':
{
if (LocaleCompare("matte",option+1) == 0)
break;
if (LocaleCompare("metric",option+1) == 0)
{
ssize_t
type;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
type=ParseCommandOption(MagickMetricOptions,MagickTrue,argv[i]);
if (type < 0)
ThrowCompareException(OptionError,"UnrecognizedMetricType",
argv[i]);
metric=(MetricType) type;
break;
}
if (LocaleCompare("monitor",option+1) == 0)
break;
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'p':
{
if (LocaleCompare("profile",option+1) == 0)
{
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'q':
{
if (LocaleCompare("quality",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("quantize",option+1) == 0)
{
ssize_t
colorspace;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
colorspace=ParseCommandOption(MagickColorspaceOptions,
MagickFalse,argv[i]);
if (colorspace < 0)
ThrowCompareException(OptionError,"UnrecognizedColorspace",
argv[i]);
break;
}
if (LocaleCompare("quiet",option+1) == 0)
break;
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'r':
{
if (LocaleCompare("regard-warnings",option+1) == 0)
break;
if (LocaleNCompare("respect-parentheses",option+1,17) == 0)
{
respect_parenthesis=(*option == '-') ? MagickTrue : MagickFalse;
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 's':
{
if (LocaleCompare("sampling-factor",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("seed",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("set",option+1) == 0)
{
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("similarity-threshold",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
if (*option == '+')
similarity_threshold=DefaultSimilarityThreshold;
else
similarity_threshold=StringToDouble(argv[i],(char **) NULL);
break;
}
if (LocaleCompare("size",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("subimage-search",option+1) == 0)
{
if (*option == '+')
{
subimage_search=MagickFalse;
break;
}
subimage_search=MagickTrue;
break;
}
if (LocaleCompare("synchronize",option+1) == 0)
break;
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 't':
{
if (LocaleCompare("taint",option+1) == 0)
break;
if (LocaleCompare("transparent-color",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("type",option+1) == 0)
{
ssize_t
type;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
type=ParseCommandOption(MagickTypeOptions,MagickFalse,argv[i]);
if (type < 0)
ThrowCompareException(OptionError,"UnrecognizedImageType",
argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'v':
{
if (LocaleCompare("verbose",option+1) == 0)
break;
if ((LocaleCompare("version",option+1) == 0) ||
(LocaleCompare("-version",option+1) == 0))
{
ListMagickVersion(stdout);
break;
}
if (LocaleCompare("virtual-pixel",option+1) == 0)
{
ssize_t
method;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
method=ParseCommandOption(MagickVirtualPixelOptions,MagickFalse,
argv[i]);
if (method < 0)
ThrowCompareException(OptionError,
"UnrecognizedVirtualPixelMethod",argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case '?':
break;
default:
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
fire=(GetCommandOptionFlags(MagickCommandOptions,MagickFalse,option) &
FireOptionFlag) == 0 ? MagickFalse : MagickTrue;
if (fire != MagickFalse)
FireImageStack(MagickTrue,MagickTrue,MagickTrue);
}
if (k != 0)
ThrowCompareException(OptionError,"UnbalancedParenthesis",argv[i]);
if (i-- != (ssize_t) (argc-1))
ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]);
if ((image == (Image *) NULL) || (GetImageListLength(image) < 2))
ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]);
FinalizeImageSettings(image_info,image,MagickTrue);
if ((image == (Image *) NULL) || (GetImageListLength(image) < 2))
ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]);
image=GetImageFromList(image,0);
reconstruct_image=GetImageFromList(image,1);
offset.x=0;
offset.y=0;
if (subimage_search != MagickFalse)
{
similarity_image=SimilarityImage(image,reconstruct_image,metric,
similarity_threshold,&offset,&similarity_metric,exception);
if (similarity_metric > dissimilarity_threshold)
ThrowCompareException(ImageError,"ImagesTooDissimilar",image->filename);
}
if ((reconstruct_image->columns == image->columns) &&
(reconstruct_image->rows == image->rows))
difference_image=CompareImages(image,reconstruct_image,metric,&distortion,
exception);
else
if (similarity_image == (Image *) NULL)
{
if (metric == PerceptualHashErrorMetric)
difference_image=CompareImages(image,reconstruct_image,metric,
&distortion,exception);
else
ThrowCompareException(OptionError,"ImageWidthsOrHeightsDiffer",
image->filename);
}
else
{
Image
*composite_image;
/*
Determine if reconstructed image is a subimage of the image.
*/
composite_image=CloneImage(image,0,0,MagickTrue,exception);
if (composite_image == (Image *) NULL)
difference_image=CompareImages(image,reconstruct_image,metric,
&distortion,exception);
else
{
Image
*distort_image;
RectangleInfo
page;
(void) CompositeImage(composite_image,reconstruct_image,
CopyCompositeOp,MagickTrue,offset.x,offset.y,exception);
difference_image=CompareImages(image,composite_image,metric,
&distortion,exception);
if (difference_image != (Image *) NULL)
{
difference_image->page.x=offset.x;
difference_image->page.y=offset.y;
}
composite_image=DestroyImage(composite_image);
page.width=reconstruct_image->columns;
page.height=reconstruct_image->rows;
page.x=offset.x;
page.y=offset.y;
distort_image=CropImage(image,&page,exception);
if (distort_image != (Image *) NULL)
{
Image
*sans_image;
sans_image=CompareImages(distort_image,reconstruct_image,metric,
&distortion,exception);
distort_image=DestroyImage(distort_image);
if (sans_image != (Image *) NULL)
sans_image=DestroyImage(sans_image);
}
}
if (difference_image != (Image *) NULL)
{
AppendImageToList(&difference_image,similarity_image);
similarity_image=(Image *) NULL;
}
}
if (difference_image == (Image *) NULL)
status=0;
else
{
if (image_info->verbose != MagickFalse)
(void) SetImageColorMetric(image,reconstruct_image,exception);
if (*difference_image->magick == '\0')
(void) CopyMagickString(difference_image->magick,image->magick,
MagickPathExtent);
if (image_info->verbose == MagickFalse)
{
switch (metric)
{
case FuzzErrorMetric:
case MeanAbsoluteErrorMetric:
case MeanSquaredErrorMetric:
case PeakAbsoluteErrorMetric:
case RootMeanSquaredErrorMetric:
{
(void) FormatLocaleFile(stderr,"%g (%g)",QuantumRange*distortion,
(double) distortion);
break;
}
case AbsoluteErrorMetric:
case NormalizedCrossCorrelationErrorMetric:
case PeakSignalToNoiseRatioErrorMetric:
case PerceptualHashErrorMetric:
{
(void) FormatLocaleFile(stderr,"%g",distortion);
break;
}
case MeanErrorPerPixelErrorMetric:
{
(void) FormatLocaleFile(stderr,"%g (%g, %g)",distortion,
image->error.normalized_mean_error,
image->error.normalized_maximum_error);
break;
}
case UndefinedErrorMetric:
break;
}
if (subimage_search != MagickFalse)
(void) FormatLocaleFile(stderr," @ %.20g,%.20g",(double)
difference_image->page.x,(double) difference_image->page.y);
}
else
{
double
*channel_distortion;
channel_distortion=GetImageDistortions(image,reconstruct_image,
metric,exception);
(void) FormatLocaleFile(stderr,"Image: %s\n",image->filename);
if ((reconstruct_image->columns != image->columns) ||
(reconstruct_image->rows != image->rows))
(void) FormatLocaleFile(stderr,"Offset: %.20g,%.20g\n",(double)
difference_image->page.x,(double) difference_image->page.y);
(void) FormatLocaleFile(stderr," Channel distortion: %s\n",
CommandOptionToMnemonic(MagickMetricOptions,(ssize_t) metric));
switch (metric)
{
case FuzzErrorMetric:
case MeanAbsoluteErrorMetric:
case MeanSquaredErrorMetric:
case PeakAbsoluteErrorMetric:
case RootMeanSquaredErrorMetric:
{
switch (image->colorspace)
{
case RGBColorspace:
default:
{
(void) FormatLocaleFile(stderr," red: %g (%g)\n",
QuantumRange*channel_distortion[RedPixelChannel],
channel_distortion[RedPixelChannel]);
(void) FormatLocaleFile(stderr," green: %g (%g)\n",
QuantumRange*channel_distortion[GreenPixelChannel],
channel_distortion[GreenPixelChannel]);
(void) FormatLocaleFile(stderr," blue: %g (%g)\n",
QuantumRange*channel_distortion[BluePixelChannel],
channel_distortion[BluePixelChannel]);
if (image->alpha_trait != UndefinedPixelTrait)
(void) FormatLocaleFile(stderr," alpha: %g (%g)\n",
QuantumRange*channel_distortion[AlphaPixelChannel],
channel_distortion[AlphaPixelChannel]);
break;
}
case CMYKColorspace:
{
(void) FormatLocaleFile(stderr," cyan: %g (%g)\n",
QuantumRange*channel_distortion[CyanPixelChannel],
channel_distortion[CyanPixelChannel]);
(void) FormatLocaleFile(stderr," magenta: %g (%g)\n",
QuantumRange*channel_distortion[MagentaPixelChannel],
channel_distortion[MagentaPixelChannel]);
(void) FormatLocaleFile(stderr," yellow: %g (%g)\n",
QuantumRange*channel_distortion[YellowPixelChannel],
channel_distortion[YellowPixelChannel]);
(void) FormatLocaleFile(stderr," black: %g (%g)\n",
QuantumRange*channel_distortion[BlackPixelChannel],
channel_distortion[BlackPixelChannel]);
if (image->alpha_trait != UndefinedPixelTrait)
(void) FormatLocaleFile(stderr," alpha: %g (%g)\n",
QuantumRange*channel_distortion[AlphaPixelChannel],
channel_distortion[AlphaPixelChannel]);
break;
}
case GRAYColorspace:
{
(void) FormatLocaleFile(stderr," gray: %g (%g)\n",
QuantumRange*channel_distortion[GrayPixelChannel],
channel_distortion[GrayPixelChannel]);
if (image->alpha_trait != UndefinedPixelTrait)
(void) FormatLocaleFile(stderr," alpha: %g (%g)\n",
QuantumRange*channel_distortion[AlphaPixelChannel],
channel_distortion[AlphaPixelChannel]);
break;
}
}
(void) FormatLocaleFile(stderr," all: %g (%g)\n",
QuantumRange*channel_distortion[MaxPixelChannels],
channel_distortion[MaxPixelChannels]);
break;
}
case AbsoluteErrorMetric:
case NormalizedCrossCorrelationErrorMetric:
case PeakSignalToNoiseRatioErrorMetric:
case PerceptualHashErrorMetric:
{
switch (image->colorspace)
{
case RGBColorspace:
default:
{
(void) FormatLocaleFile(stderr," red: %g\n",
channel_distortion[RedPixelChannel]);
(void) FormatLocaleFile(stderr," green: %g\n",
channel_distortion[GreenPixelChannel]);
(void) FormatLocaleFile(stderr," blue: %g\n",
channel_distortion[BluePixelChannel]);
if (image->alpha_trait != UndefinedPixelTrait)
(void) FormatLocaleFile(stderr," alpha: %g\n",
channel_distortion[AlphaPixelChannel]);
break;
}
case CMYKColorspace:
{
(void) FormatLocaleFile(stderr," cyan: %g\n",
channel_distortion[CyanPixelChannel]);
(void) FormatLocaleFile(stderr," magenta: %g\n",
channel_distortion[MagentaPixelChannel]);
(void) FormatLocaleFile(stderr," yellow: %g\n",
channel_distortion[YellowPixelChannel]);
(void) FormatLocaleFile(stderr," black: %g\n",
channel_distortion[BlackPixelChannel]);
if (image->alpha_trait != UndefinedPixelTrait)
(void) FormatLocaleFile(stderr," alpha: %g\n",
channel_distortion[AlphaPixelChannel]);
break;
}
case GRAYColorspace:
{
(void) FormatLocaleFile(stderr," gray: %g\n",
channel_distortion[GrayPixelChannel]);
if (image->alpha_trait != UndefinedPixelTrait)
(void) FormatLocaleFile(stderr," alpha: %g\n",
channel_distortion[AlphaPixelChannel]);
break;
}
}
(void) FormatLocaleFile(stderr," all: %g\n",
channel_distortion[MaxPixelChannels]);
break;
}
case MeanErrorPerPixelErrorMetric:
{
(void) FormatLocaleFile(stderr," %g (%g, %g)\n",
channel_distortion[MaxPixelChannels],
image->error.normalized_mean_error,
image->error.normalized_maximum_error);
break;
}
case UndefinedErrorMetric:
break;
}
channel_distortion=(double *) RelinquishMagickMemory(
channel_distortion);
if (subimage_search != MagickFalse)
(void) FormatLocaleFile(stderr," Offset: %.20g,%.20g\n",(double)
difference_image->page.x,(double) difference_image->page.y);
}
status&=WriteImages(image_info,difference_image,argv[argc-1],exception);
if ((metadata != (char **) NULL) && (format != (char *) NULL))
{
char
*text;
text=InterpretImageProperties(image_info,difference_image,format,
exception);
if (text == (char *) NULL)
ThrowCompareException(ResourceLimitError,"MemoryAllocationFailed",
GetExceptionMessage(errno));
(void) ConcatenateString(&(*metadata),text);
text=DestroyString(text);
}
difference_image=DestroyImageList(difference_image);
}
DestroyCompare();
if ((metric == NormalizedCrossCorrelationErrorMetric) ||
(metric == UndefinedErrorMetric))
{
if (fabs(distortion-1.0) > CompareEpsilon)
(void) SetImageOption(image_info,"compare:dissimilar","true");
}
else
if (fabs(distortion) > CompareEpsilon)
(void) SetImageOption(image_info,"compare:dissimilar","true");
return(status != 0 ? MagickTrue : MagickFalse);
}
MagickExport Image *MontageImageList(const ImageInfo *image_info,
const MontageInfo *montage_info,const Image *images,ExceptionInfo *exception)
{
#define MontageImageTag "Montage/Image"
#define TileImageTag "Tile/Image"
char
tile_geometry[MagickPathExtent],
*title;
const char
*value;
DrawInfo
*draw_info;
FrameInfo
frame_info;
Image
*image,
**image_list,
**master_list,
*montage,
*texture,
*tile_image,
*thumbnail;
ImageInfo
*clone_info;
MagickBooleanType
concatenate,
proceed,
status;
MagickOffsetType
tiles;
MagickProgressMonitor
progress_monitor;
MagickStatusType
flags;
register ssize_t
i;
RectangleInfo
bounds,
geometry,
extract_info;
size_t
border_width,
extent,
height,
images_per_page,
max_height,
number_images,
number_lines,
sans,
tiles_per_column,
tiles_per_page,
tiles_per_row,
title_offset,
total_tiles,
width;
ssize_t
bevel_width,
tile,
x,
x_offset,
y,
y_offset;
TypeMetric
metrics;
/*
Create image tiles.
*/
assert(images != (Image *) NULL);
assert(images->signature == MagickCoreSignature);
if (images->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
assert(montage_info != (MontageInfo *) NULL);
assert(montage_info->signature == MagickCoreSignature);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
number_images=GetImageListLength(images);
master_list=ImageListToArray(images,exception);
image_list=master_list;
image=image_list[0];
if (master_list == (Image **) NULL)
ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
thumbnail=NewImageList();
for (i=0; i < (ssize_t) number_images; i++)
{
image=CloneImage(image_list[i],0,0,MagickTrue,exception);
if (image == (Image *) NULL)
break;
(void) ParseAbsoluteGeometry("0x0+0+0",&image->page);
progress_monitor=SetImageProgressMonitor(image,(MagickProgressMonitor) NULL,
image->client_data);
flags=ParseRegionGeometry(image,montage_info->geometry,&geometry,exception);
thumbnail=ThumbnailImage(image,geometry.width,geometry.height,exception);
if (thumbnail == (Image *) NULL)
break;
image_list[i]=thumbnail;
(void) SetImageProgressMonitor(image,progress_monitor,image->client_data);
proceed=SetImageProgress(image,TileImageTag,(MagickOffsetType) i,
number_images);
if (proceed == MagickFalse)
break;
image=DestroyImage(image);
}
if (i < (ssize_t) number_images)
{
if (thumbnail == (Image *) NULL)
i--;
for (tile=0; (ssize_t) tile <= i; tile++)
if (image_list[tile] != (Image *) NULL)
image_list[tile]=DestroyImage(image_list[tile]);
master_list=(Image **) RelinquishMagickMemory(master_list);
return((Image *) NULL);
}
/*
Sort image list by increasing tile number.
*/
for (i=0; i < (ssize_t) number_images; i++)
if (image_list[i]->scene == 0)
break;
if (i == (ssize_t) number_images)
qsort((void *) image_list,(size_t) number_images,sizeof(*image_list),
SceneCompare);
/*
Determine tiles per row and column.
*/
tiles_per_column=(size_t) sqrt((double) number_images);
tiles_per_row=(size_t) ceil((double) number_images/tiles_per_column);
x_offset=0;
y_offset=0;
if (montage_info->tile != (char *) NULL)
GetMontageGeometry(montage_info->tile,number_images,&x_offset,&y_offset,
&tiles_per_column,&tiles_per_row);
/*
Determine tile sizes.
*/
concatenate=MagickFalse;
SetGeometry(image_list[0],&extract_info);
extract_info.x=(ssize_t) montage_info->border_width;
extract_info.y=(ssize_t) montage_info->border_width;
if (montage_info->geometry != (char *) NULL)
{
/*
Initialize tile geometry.
*/
flags=GetGeometry(montage_info->geometry,&extract_info.x,&extract_info.y,
&extract_info.width,&extract_info.height);
concatenate=((flags & RhoValue) == 0) && ((flags & SigmaValue) == 0) ?
MagickTrue : MagickFalse;
}
border_width=montage_info->border_width;
bevel_width=0;
(void) ResetMagickMemory(&frame_info,0,sizeof(frame_info));
if (montage_info->frame != (char *) NULL)
{
char
absolute_geometry[MagickPathExtent];
frame_info.width=extract_info.width;
frame_info.height=extract_info.height;
(void) FormatLocaleString(absolute_geometry,MagickPathExtent,"%s!",
montage_info->frame);
flags=ParseMetaGeometry(absolute_geometry,&frame_info.outer_bevel,
&frame_info.inner_bevel,&frame_info.width,&frame_info.height);
if ((flags & HeightValue) == 0)
frame_info.height=frame_info.width;
if ((flags & XiValue) == 0)
frame_info.outer_bevel=(ssize_t) frame_info.width/2-1;
if ((flags & PsiValue) == 0)
frame_info.inner_bevel=frame_info.outer_bevel;
frame_info.x=(ssize_t) frame_info.width;
frame_info.y=(ssize_t) frame_info.height;
bevel_width=(ssize_t) MagickMax(frame_info.inner_bevel,
frame_info.outer_bevel);
border_width=(size_t) MagickMax((ssize_t) frame_info.width,
(ssize_t) frame_info.height);
}
for (i=0; i < (ssize_t) number_images; i++)
{
if (image_list[i]->columns > extract_info.width)
extract_info.width=image_list[i]->columns;
if (image_list[i]->rows > extract_info.height)
extract_info.height=image_list[i]->rows;
}
/*
Initialize draw attributes.
*/
clone_info=CloneImageInfo(image_info);
clone_info->background_color=montage_info->background_color;
clone_info->border_color=montage_info->border_color;
draw_info=CloneDrawInfo(clone_info,(DrawInfo *) NULL);
if (montage_info->font != (char *) NULL)
(void) CloneString(&draw_info->font,montage_info->font);
if (montage_info->pointsize != 0.0)
draw_info->pointsize=montage_info->pointsize;
draw_info->gravity=CenterGravity;
draw_info->stroke=montage_info->stroke;
draw_info->fill=montage_info->fill;
draw_info->text=AcquireString("");
(void) GetTypeMetrics(image_list[0],draw_info,&metrics,exception);
texture=NewImageList();
if (montage_info->texture != (char *) NULL)
{
(void) CopyMagickString(clone_info->filename,montage_info->texture,
MagickPathExtent);
texture=ReadImage(clone_info,exception);
}
/*
Determine the number of lines in an next label.
*/
title=InterpretImageProperties(clone_info,image_list[0],montage_info->title,
exception);
title_offset=0;
if (montage_info->title != (char *) NULL)
title_offset=(size_t) (2*(metrics.ascent-metrics.descent)*
MultilineCensus(title)+2*extract_info.y);
number_lines=0;
for (i=0; i < (ssize_t) number_images; i++)
{
value=GetImageProperty(image_list[i],"label",exception);
if (value == (const char *) NULL)
continue;
if (MultilineCensus(value) > number_lines)
number_lines=MultilineCensus(value);
}
/*
Allocate next structure.
*/
tile_image=AcquireImage((ImageInfo *) NULL,exception);
montage=AcquireImage(clone_info,exception);
montage->background_color=montage_info->background_color;
montage->scene=0;
images_per_page=(number_images-1)/(tiles_per_row*tiles_per_column)+1;
tiles=0;
total_tiles=(size_t) number_images;
for (i=0; i < (ssize_t) images_per_page; i++)
{
/*
Determine bounding box.
*/
tiles_per_page=tiles_per_row*tiles_per_column;
x_offset=0;
y_offset=0;
if (montage_info->tile != (char *) NULL)
GetMontageGeometry(montage_info->tile,number_images,&x_offset,&y_offset,
&sans,&sans);
tiles_per_page=tiles_per_row*tiles_per_column;
y_offset+=(ssize_t) title_offset;
max_height=0;
bounds.width=0;
bounds.height=0;
width=0;
for (tile=0; tile < (ssize_t) tiles_per_page; tile++)
{
if (tile < (ssize_t) number_images)
{
width=concatenate != MagickFalse ? image_list[tile]->columns :
extract_info.width;
if (image_list[tile]->rows > max_height)
max_height=image_list[tile]->rows;
}
x_offset+=(ssize_t) (width+2*(extract_info.x+border_width));
if (x_offset > (ssize_t) bounds.width)
bounds.width=(size_t) x_offset;
if (((tile+1) == (ssize_t) tiles_per_page) ||
(((tile+1) % tiles_per_row) == 0))
{
x_offset=0;
if (montage_info->tile != (char *) NULL)
GetMontageGeometry(montage_info->tile,number_images,&x_offset,&y,
&sans,&sans);
height=concatenate != MagickFalse ? max_height : extract_info.height;
y_offset+=(ssize_t) (height+(extract_info.y+(ssize_t) border_width)*2+
(metrics.ascent-metrics.descent+4)*number_lines+
(montage_info->shadow != MagickFalse ? 4 : 0));
if (y_offset > (ssize_t) bounds.height)
bounds.height=(size_t) y_offset;
max_height=0;
}
}
if (montage_info->shadow != MagickFalse)
bounds.width+=4;
/*
Initialize montage image.
*/
(void) CopyMagickString(montage->filename,montage_info->filename,
MagickPathExtent);
montage->columns=(size_t) MagickMax((ssize_t) bounds.width,1);
montage->rows=(size_t) MagickMax((ssize_t) bounds.height,1);
(void) SetImageBackgroundColor(montage,exception);
/*
Set montage geometry.
*/
montage->montage=AcquireString((char *) NULL);
tile=0;
extent=1;
while (tile < MagickMin((ssize_t) tiles_per_page,(ssize_t) number_images))
{
extent+=strlen(image_list[tile]->filename)+1;
tile++;
}
montage->directory=(char *) AcquireQuantumMemory(extent,
sizeof(*montage->directory));
if ((montage->montage == (char *) NULL) ||
(montage->directory == (char *) NULL))
{
if (montage->montage != (char *) NULL)
montage->montage=(char *) RelinquishMagickMemory(montage->montage);
if (montage->directory != (char *) NULL)
montage->directory=(char *) RelinquishMagickMemory(
montage->directory);
ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
}
x_offset=0;
y_offset=0;
if (montage_info->tile != (char *) NULL)
GetMontageGeometry(montage_info->tile,number_images,&x_offset,&y_offset,
&sans,&sans);
y_offset+=(ssize_t) title_offset;
(void) FormatLocaleString(montage->montage,MagickPathExtent,
"%.20gx%.20g%+.20g%+.20g",(double) (extract_info.width+
(extract_info.x+border_width)*2),(double) (extract_info.height+
(extract_info.y+border_width)*2+(double) ((metrics.ascent-
metrics.descent+4)*number_lines+(montage_info->shadow != MagickFalse ? 4 :
0))),(double) x_offset,(double) y_offset);
*montage->directory='\0';
tile=0;
while (tile < MagickMin((ssize_t) tiles_per_page,(ssize_t) number_images))
{
(void) ConcatenateMagickString(montage->directory,
image_list[tile]->filename,extent);
(void) ConcatenateMagickString(montage->directory,"\n",extent);
tile++;
}
progress_monitor=SetImageProgressMonitor(montage,(MagickProgressMonitor)
NULL,montage->client_data);
if (texture != (Image *) NULL)
(void) TextureImage(montage,texture,exception);
if (montage_info->title != (char *) NULL)
{
DrawInfo
*draw_clone_info;
TypeMetric
tile_metrics;
/*
Annotate composite image with title.
*/
draw_clone_info=CloneDrawInfo(image_info,draw_info);
draw_clone_info->gravity=CenterGravity;
draw_clone_info->pointsize*=2.0;
(void) GetTypeMetrics(image_list[0],draw_clone_info,&tile_metrics,
exception);
(void) FormatLocaleString(tile_geometry,MagickPathExtent,
"%.20gx%.20g%+.20g%+.20g",(double) montage->columns,(double)
(tile_metrics.ascent-tile_metrics.descent),0.0,
(double) extract_info.y+4);
(void) CloneString(&draw_clone_info->geometry,tile_geometry);
(void) CloneString(&draw_clone_info->text,title);
(void) AnnotateImage(montage,draw_clone_info,exception);
draw_clone_info=DestroyDrawInfo(draw_clone_info);
}
(void) SetImageProgressMonitor(montage,progress_monitor,
montage->client_data);
/*
Copy tile to the composite.
*/
x_offset=0;
y_offset=0;
if (montage_info->tile != (char *) NULL)
GetMontageGeometry(montage_info->tile,number_images,&x_offset,&y_offset,
&sans,&sans);
x_offset+=extract_info.x;
y_offset+=(ssize_t) title_offset+extract_info.y;
max_height=0;
status=MagickTrue;
for (tile=0; tile < MagickMin((ssize_t) tiles_per_page,(ssize_t) number_images); tile++)
{
/*
Copy this tile to the composite.
*/
image=CloneImage(image_list[tile],0,0,MagickTrue,exception);
if (image == (Image *) NULL)
ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
progress_monitor=SetImageProgressMonitor(image,
(MagickProgressMonitor) NULL,image->client_data);
width=concatenate != MagickFalse ? image->columns : extract_info.width;
if (image->rows > max_height)
max_height=image->rows;
height=concatenate != MagickFalse ? max_height : extract_info.height;
if (border_width != 0)
{
Image
*border_image;
RectangleInfo
border_info;
/*
Put a border around the image.
*/
border_info.width=border_width;
border_info.height=border_width;
if (montage_info->frame != (char *) NULL)
{
border_info.width=(width-image->columns+1)/2;
border_info.height=(height-image->rows+1)/2;
}
border_image=BorderImage(image,&border_info,image->compose,exception);
if (border_image != (Image *) NULL)
{
image=DestroyImage(image);
image=border_image;
}
if ((montage_info->frame != (char *) NULL) &&
(image->compose == DstOutCompositeOp))
{
(void) SetPixelChannelMask(image,AlphaChannel);
(void) NegateImage(image,MagickFalse,exception);
(void) SetPixelChannelMask(image,DefaultChannels);
}
}
/*
Gravitate as specified by the tile gravity.
*/
tile_image->columns=width;
tile_image->rows=height;
tile_image->gravity=montage_info->gravity;
if (image->gravity != UndefinedGravity)
tile_image->gravity=image->gravity;
(void) FormatLocaleString(tile_geometry,MagickPathExtent,
"%.20gx%.20g+0+0",(double) image->columns,(double) image->rows);
flags=ParseGravityGeometry(tile_image,tile_geometry,&geometry,exception);
x=(ssize_t) (geometry.x+border_width);
y=(ssize_t) (geometry.y+border_width);
if ((montage_info->frame != (char *) NULL) && (bevel_width > 0))
{
FrameInfo
frame_clone;
Image
*frame_image;
/*
Put an ornamental border around this tile.
*/
frame_clone=frame_info;
frame_clone.width=width+2*frame_info.width;
frame_clone.height=height+2*frame_info.height;
value=GetImageProperty(image,"label",exception);
if (value != (const char *) NULL)
frame_clone.height+=(size_t) ((metrics.ascent-metrics.descent+4)*
MultilineCensus(value));
frame_image=FrameImage(image,&frame_clone,image->compose,exception);
if (frame_image != (Image *) NULL)
{
image=DestroyImage(image);
image=frame_image;
}
x=0;
y=0;
}
if (LocaleCompare(image->magick,"NULL") != 0)
{
/*
Composite background with tile.
*/
if (montage_info->shadow != MagickFalse)
{
Image
*shadow_image;
/*
Shadow image.
*/
(void) QueryColorCompliance("#0000",AllCompliance,
&image->background_color,exception);
shadow_image=ShadowImage(image,80.0,2.0,5,5,exception);
if (shadow_image != (Image *) NULL)
{
(void) CompositeImage(shadow_image,image,OverCompositeOp,
MagickTrue,0,0,exception);
image=DestroyImage(image);
image=shadow_image;
}
}
(void) CompositeImage(montage,image,image->compose,MagickTrue,
x_offset+x,y_offset+y,exception);
value=GetImageProperty(image,"label",exception);
if (value != (const char *) NULL)
{
/*
Annotate composite tile with label.
*/
(void) FormatLocaleString(tile_geometry,MagickPathExtent,
"%.20gx%.20g%+.20g%+.20g",(double) ((montage_info->frame ?
image->columns : width)-2*border_width),(double)
(metrics.ascent-metrics.descent+4)*MultilineCensus(value),
(double) (x_offset+border_width),(double)
((montage_info->frame ? y_offset+height+border_width+4 :
y_offset+extract_info.height+border_width+
(montage_info->shadow != MagickFalse ? 4 : 0))+bevel_width));
(void) CloneString(&draw_info->geometry,tile_geometry);
(void) CloneString(&draw_info->text,value);
(void) AnnotateImage(montage,draw_info,exception);
}
}
x_offset+=(ssize_t) (width+2*(extract_info.x+border_width));
if (((tile+1) == (ssize_t) tiles_per_page) ||
(((tile+1) % tiles_per_row) == 0))
{
x_offset=extract_info.x;
y_offset+=(ssize_t) (height+(extract_info.y+border_width)*2+
(metrics.ascent-metrics.descent+4)*number_lines+
(montage_info->shadow != MagickFalse ? 4 : 0));
max_height=0;
}
if (images->progress_monitor != (MagickProgressMonitor) NULL)
{
proceed=SetImageProgress(image,MontageImageTag,tiles,total_tiles);
if (proceed == MagickFalse)
status=MagickFalse;
}
image_list[tile]=DestroyImage(image_list[tile]);
image=DestroyImage(image);
tiles++;
}
(void) status;
if ((i+1) < (ssize_t) images_per_page)
{
/*
Allocate next image structure.
*/
AcquireNextImage(clone_info,montage,exception);
if (GetNextImageInList(montage) == (Image *) NULL)
{
montage=DestroyImageList(montage);
return((Image *) NULL);
}
montage=GetNextImageInList(montage);
montage->background_color=montage_info->background_color;
image_list+=tiles_per_page;
number_images-=tiles_per_page;
}
}
tile_image=DestroyImage(tile_image);
if (texture != (Image *) NULL)
texture=DestroyImage(texture);
title=DestroyString(title);
master_list=(Image **) RelinquishMagickMemory(master_list);
draw_info=DestroyDrawInfo(draw_info);
clone_info=DestroyImageInfo(clone_info);
return(GetFirstImageInList(montage));
}
MagickExport MagickBooleanType SetImageAlphaChannel(Image *image,
const AlphaChannelOption alpha_type,ExceptionInfo *exception)
{
CacheView
*image_view;
MagickBooleanType
status;
ssize_t
y;
assert(image != (Image *) NULL);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
assert(image->signature == MagickCoreSignature);
status=MagickTrue;
switch (alpha_type)
{
case ActivateAlphaChannel:
{
image->alpha_trait=BlendPixelTrait;
break;
}
case AssociateAlphaChannel:
{
/*
Associate alpha.
*/
status=SetImageStorageClass(image,DirectClass,exception);
if (status == MagickFalse)
break;
image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(status) \
magick_threads(image,image,image->rows,1)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
register Quantum
*magick_restrict q;
register ssize_t
x;
if (status == MagickFalse)
continue;
q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
exception);
if (q == (Quantum *) NULL)
{
status=MagickFalse;
continue;
}
for (x=0; x < (ssize_t) image->columns; x++)
{
double
gamma;
register ssize_t
i;
if (GetPixelReadMask(image,q) == 0)
{
q+=GetPixelChannels(image);
continue;
}
gamma=QuantumScale*GetPixelAlpha(image,q);
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
PixelChannel channel=GetPixelChannelChannel(image,i);
PixelTrait traits=GetPixelChannelTraits(image,channel);
if (channel == AlphaPixelChannel)
continue;
if ((traits & UpdatePixelTrait) == 0)
continue;
q[i]=ClampToQuantum(gamma*q[i]);
}
q+=GetPixelChannels(image);
}
if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
status=MagickFalse;
}
image_view=DestroyCacheView(image_view);
image->alpha_trait=CopyPixelTrait;
return(status);
}
case BackgroundAlphaChannel:
{
/*
Set transparent pixels to background color.
*/
if (image->alpha_trait == UndefinedPixelTrait)
break;
status=SetImageStorageClass(image,DirectClass,exception);
if (status == MagickFalse)
break;
image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(status) \
magick_threads(image,image,image->rows,1)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
register Quantum
*magick_restrict q;
register ssize_t
x;
if (status == MagickFalse)
continue;
q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
exception);
if (q == (Quantum *) NULL)
{
status=MagickFalse;
continue;
}
for (x=0; x < (ssize_t) image->columns; x++)
{
if (GetPixelAlpha(image,q) == TransparentAlpha)
{
SetPixelViaPixelInfo(image,&image->background_color,q);
SetPixelChannel(image,AlphaPixelChannel,TransparentAlpha,q);
}
q+=GetPixelChannels(image);
}
if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
status=MagickFalse;
}
image_view=DestroyCacheView(image_view);
return(status);
}
case CopyAlphaChannel:
case ShapeAlphaChannel:
{
/*
Copy pixel intensity to the alpha channel.
*/
image->alpha_trait=UpdatePixelTrait;
status=CompositeImage(image,image,IntensityCompositeOp,MagickTrue,0,0,
exception);
if (alpha_type == ShapeAlphaChannel)
(void) LevelImageColors(image,&image->background_color,
&image->background_color,MagickTrue,exception);
break;
}
case DeactivateAlphaChannel:
{
if (image->alpha_trait == UndefinedPixelTrait)
status=SetImageAlpha(image,OpaqueAlpha,exception);
image->alpha_trait=CopyPixelTrait;
break;
}
case DisassociateAlphaChannel:
{
/*
Disassociate alpha.
*/
status=SetImageStorageClass(image,DirectClass,exception);
if (status == MagickFalse)
break;
image->alpha_trait=BlendPixelTrait;
image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(status) \
magick_threads(image,image,image->rows,1)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
register Quantum
*magick_restrict q;
register ssize_t
x;
if (status == MagickFalse)
continue;
q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
exception);
if (q == (Quantum *) NULL)
{
status=MagickFalse;
continue;
}
for (x=0; x < (ssize_t) image->columns; x++)
{
double
gamma,
Sa;
register ssize_t
i;
if (GetPixelReadMask(image,q) == 0)
{
q+=GetPixelChannels(image);
continue;
}
Sa=QuantumScale*GetPixelAlpha(image,q);
gamma=PerceptibleReciprocal(Sa);
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
PixelChannel channel=GetPixelChannelChannel(image,i);
PixelTrait traits=GetPixelChannelTraits(image,channel);
if (channel == AlphaPixelChannel)
continue;
if ((traits & UpdatePixelTrait) == 0)
continue;
q[i]=ClampToQuantum(gamma*q[i]);
}
q+=GetPixelChannels(image);
}
if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
status=MagickFalse;
}
image_view=DestroyCacheView(image_view);
image->alpha_trait=UndefinedPixelTrait;
return(status);
}
case DiscreteAlphaChannel:
{
if (image->alpha_trait == UndefinedPixelTrait)
status=SetImageAlpha(image,OpaqueAlpha,exception);
image->alpha_trait=UpdatePixelTrait;
break;
}
case ExtractAlphaChannel:
{
status=CompositeImage(image,image,AlphaCompositeOp,MagickTrue,0,0,
exception);
image->alpha_trait=UndefinedPixelTrait;
break;
}
case OffAlphaChannel:
{
image->alpha_trait=UndefinedPixelTrait;
break;
}
case OnAlphaChannel:
{
if (image->alpha_trait == UndefinedPixelTrait)
status=SetImageAlpha(image,OpaqueAlpha,exception);
image->alpha_trait=BlendPixelTrait;
break;
}
case OpaqueAlphaChannel:
{
status=SetImageAlpha(image,OpaqueAlpha,exception);
break;
}
case RemoveAlphaChannel:
{
/*
Remove transparency.
*/
if (image->alpha_trait == UndefinedPixelTrait)
break;
status=SetImageStorageClass(image,DirectClass,exception);
if (status == MagickFalse)
break;
image_view=AcquireAuthenticCacheView(image,exception);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
#pragma omp parallel for schedule(static,4) shared(status) \
magick_threads(image,image,image->rows,1)
#endif
for (y=0; y < (ssize_t) image->rows; y++)
{
register Quantum
*magick_restrict q;
register ssize_t
x;
if (status == MagickFalse)
continue;
q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
exception);
if (q == (Quantum *) NULL)
{
status=MagickFalse;
continue;
}
for (x=0; x < (ssize_t) image->columns; x++)
{
FlattenPixelInfo(image,&image->background_color,
image->background_color.alpha,q,(double)
GetPixelAlpha(image,q),q);
q+=GetPixelChannels(image);
}
if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
status=MagickFalse;
}
image_view=DestroyCacheView(image_view);
image->alpha_trait=image->background_color.alpha_trait;
break;
}
case SetAlphaChannel:
{
if (image->alpha_trait == UndefinedPixelTrait)
status=SetImageAlpha(image,OpaqueAlpha,exception);
break;
}
case TransparentAlphaChannel:
{
status=SetImageAlpha(image,TransparentAlpha,exception);
break;
}
case UndefinedAlphaChannel:
break;
}
if (status == MagickFalse)
return(status);
(void) SetPixelChannelMask(image,image->channel_mask);
return(SyncImagePixelCache(image,exception));
}
