/*
Static: set_color_option
Purpose: Set a color name as the value of the specified option
Note: Call QueryColorDatabase to validate color name
*/
static VALUE set_color_option(VALUE self, const char *option, VALUE color)
{
Info *info;
char *name;
PixelPacket pp;
ExceptionInfo exception;
MagickBooleanType okay;
Data_Get_Struct(self, Info, info);
if (NIL_P(color))
{
(void) RemoveImageOption(info, option);
}
else
{
GetExceptionInfo(&exception);
name = StringValuePtr(color);
okay = QueryColorDatabase(name, &pp, &exception);
(void) DestroyExceptionInfo(&exception);
if (!okay)
{
rb_raise(rb_eArgError, "invalid color name `%s'", name);
}
(void) RemoveImageOption(info, option);
(void) SetImageOption(info, option, name);
}
return self;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d G R A D I E N T I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method ReadGRADIENTImage creates a gradient image and initializes it to
% the color range as specified by the filename. It allocates the memory
% necessary for the new Image structure and returns a pointer to the new
% image.
%
% The format of the ReadGRADIENTImage method is:
%
% Image *ReadGRADIENTImage(const ImageInfo *image_info,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: Method ReadGRADIENTImage returns a pointer to the image after
% creating it. A null image is returned if there is a memory shortage
% or if the image cannot be read.
%
% o image_info: Specifies a pointer to a ImageInfo structure.
%
% o exception: return any errors or warnings in this structure.
%
%
*/
static Image *ReadGRADIENTImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
char
colorname[MaxTextExtent];
PixelPacket
start_color,
stop_color;
Image
*image;
/*
Initialize Image structure.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AllocateImage(image_info);
if ((image->columns == 0) || (image->rows == 0))
ThrowReaderException(OptionError,MustSpecifyImageSize,image);
(void) SetImage(image,OpaqueOpacity);
(void) strlcpy(image->filename,image_info->filename,MaxTextExtent);
(void) strlcpy(colorname,image_info->filename,MaxTextExtent);
(void) sscanf(image_info->filename,"%[^-]",colorname);
if (!QueryColorDatabase(colorname,&start_color,exception))
{
DestroyImage(image);
return((Image *) NULL);
}
(void) strcpy(colorname,"white");
if (PixelIntensityToQuantum(&start_color) > (0.5*MaxRGB))
(void) strcpy(colorname,"black");
(void) sscanf(image_info->filename,"%*[^-]-%s",colorname);
if (!QueryColorDatabase(colorname,&stop_color,exception))
{
DestroyImage(image);
return((Image *) NULL);
}
(void) GradientImage(image,&start_color,&stop_color);
return(image);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% I n i t i a l i z e D i f f e r e n c e I m a g e O p t i o n s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% InitializeDifferenceImageOptions() assigns default options to a user-provided
% DifferenceImageOptions structure. This function should always be used
% to initialize the DifferenceImageOptions structure prior to making any
% changes to it.
%
% The format of the InitializeDifferenceImageOptions method is:
%
% void InitializeDifferenceImageOptions(DifferenceImageOptions *options,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o options: pointer to DifferenceImageOptions structure to initialize.
%
% o exception: Return any errors or warnings in this structure.
%
*/
MagickExport void
InitializeDifferenceImageOptions(DifferenceImageOptions *options,
ExceptionInfo *exception)
{
assert(options != (DifferenceImageOptions *) NULL);
memset(options,0,sizeof(DifferenceImageOptions));
options->channel=AllChannels;
options->highlight_style=TintHighlightStyle;
(void) QueryColorDatabase(HighlightColor,&options->highlight_color,exception);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t M o n t a g e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method GetMontageInfo initializes the MontageInfo structure.
%
% The format of the GetMontageInfo method is:
%
% void GetMontageInfo(MontageInfo *montage_info)
%
% A description of each parameter follows:
%
% o montage_info: Specifies a pointer to a MontageInfo structure.
%
%
*/
Export void GetMontageInfo(MontageInfo *montage_info)
{
assert(montage_info != (MontageInfo *) NULL);
*montage_info->filename='\0';
montage_info->geometry=AllocateString(DefaultTileGeometry);
montage_info->tile=AllocateString("6x4");
(void) QueryColorDatabase("#c0c0c0",&montage_info->background_color);
(void) QueryColorDatabase(BorderColor,&montage_info->border_color);
(void) QueryColorDatabase("#bdbdbd",&montage_info->matte_color);
montage_info->title=(char *) NULL;
montage_info->frame=(char *) NULL;
montage_info->texture=(char *) NULL;
montage_info->pen=(char *) NULL;
montage_info->font=(char *) NULL;
montage_info->pointsize=atof(DefaultPointSize);
montage_info->border_width=0;
montage_info->gravity=CenterGravity;
montage_info->shadow=False;
montage_info->compose=ReplaceCompositeOp;
}
/**
* Convert a color name to a PixelPacket
*
* No Ruby usage (internal function)
*
* @param color the PixelPacket to modify
* @param name_arg the coor name
* @throw ArgumentError
*/
static void
Color_Name_to_PixelPacket(PixelPacket *color, VALUE name_arg)
{
MagickBooleanType okay;
char *name;
ExceptionInfo *exception;
exception = AcquireExceptionInfo();
name = StringValuePtr(name_arg);
okay = QueryColorDatabase(name, color, exception);
(void) DestroyExceptionInfo(exception);
if (!okay)
{
rb_raise(rb_eArgError, "invalid color name %s", name);
}
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% Q u e r y M a g i c k C o l o r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% QueryMagickColor() returns the red, green, blue, and opacity intensities
% for a given color name.
%
% The format of the QueryMagickColor method is:
%
% unsigned int QueryMagickColor(const char *name,MagickPixelPacket *color,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o name: The color name (e.g. white, blue, yellow).
%
% o color: The red, green, blue, and opacity intensities values of the
% named color in this structure.
%
% o exception: Return any errors or warnings in this structure.
%
%
*/
WandExport unsigned int QueryMagickColor(const char *name,
MagickPixelPacket *color,ExceptionInfo *exception)
{
PixelPacket
pixel;
unsigned int
status;
status=QueryColorDatabase(name,&pixel,exception);
color->colorspace=RGBColorspace;
color->matte=0;
color->red=pixel.red;
color->green=pixel.green;
color->blue=pixel.blue;
color->opacity=pixel.opacity;
color->index=0;
return status;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d G R A D I E N T I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadGRADIENTImage creates a gradient image and initializes it to
% the color range as specified by the filename. It allocates the memory
% necessary for the new Image structure and returns a pointer to the new
% image.
%
% The format of the ReadGRADIENTImage method is:
%
% Image *ReadGRADIENTImage(const ImageInfo *image_info,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadGRADIENTImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
char
colorname[MaxTextExtent];
MagickBooleanType
icc_color,
status;
MagickPixelPacket
start_pixel,
stop_pixel;
PixelPacket
start_color,
stop_color;
Image
*image;
/*
Initialize Image structure.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
if ((image->columns == 0) || (image->rows == 0))
ThrowReaderException(OptionError,"MustSpecifyImageSize");
(void) SetImageOpacity(image,(Quantum) TransparentOpacity);
(void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent);
(void) CopyMagickString(colorname,image_info->filename,MaxTextExtent);
(void) sscanf(image_info->filename,"%[^-]",colorname);
icc_color=MagickFalse;
if (LocaleCompare(colorname,"icc") == 0)
{
(void) ConcatenateMagickString(colorname,"-",MaxTextExtent);
(void) sscanf(image_info->filename,"%*[^-]-%[^-]",colorname+4);
icc_color=MagickTrue;
}
if (QueryColorDatabase(colorname,&start_color,exception) == MagickFalse)
{
image=DestroyImage(image);
return((Image *) NULL);
}
(void) QueryMagickColor(colorname,&start_pixel,exception);
(void) CopyMagickString(colorname,"white",MaxTextExtent);
if (GetPixelLuma(image,&start_color) > (QuantumRange/2))
(void) CopyMagickString(colorname,"black",MaxTextExtent);
if (icc_color == MagickFalse)
(void) sscanf(image_info->filename,"%*[^-]-%s",colorname);
else
(void) sscanf(image_info->filename,"%*[^-]-%*[^-]-%s",colorname);
if (QueryColorDatabase(colorname,&stop_color,exception) == MagickFalse)
{
image=DestroyImage(image);
return((Image *) NULL);
}
(void) QueryMagickColor(colorname,&stop_pixel,exception);
(void) SetImageColorspace(image,start_pixel.colorspace);
status=GradientImage(image,LocaleCompare(image_info->magick,"GRADIENT") == 0 ?
LinearGradient : RadialGradient,PadSpread,&start_color,&stop_color);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
if ((start_pixel.matte == MagickFalse) && (stop_pixel.matte == MagickFalse))
(void) SetImageAlphaChannel(image,DeactivateAlphaChannel);
return(GetFirstImageInList(image));
}
static Image *ReadXPMImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
char
key[MaxTextExtent],
target[MaxTextExtent],
*xpm_buffer;
Image
*image;
long
j,
y;
MagickBooleanType
active,
status;
register char
*p,
*q,
*next;
register IndexPacket
*indexes;
register long
i,
x;
register PixelPacket
*r;
size_t
length;
SplayTreeInfo
*xpm_colors;
ssize_t
count;
unsigned long
width;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Read XPM file.
*/
length=MaxTextExtent;
xpm_buffer=(char *) AcquireQuantumMemory((size_t) length,sizeof(*xpm_buffer));
p=xpm_buffer;
if (xpm_buffer != (char *) NULL)
while (ReadBlobString(image,p) != (char *) NULL)
{
if ((*p == '#') && ((p == xpm_buffer) || (*(p-1) == '\n')))
continue;
if ((*p == '}') && (*(p+1) == ';'))
break;
p+=strlen(p);
if ((size_t) (p-xpm_buffer+MaxTextExtent) < length)
continue;
length<<=1;
xpm_buffer=(char *) ResizeQuantumMemory(xpm_buffer,length+MaxTextExtent,
sizeof(*xpm_buffer));
if (xpm_buffer == (char *) NULL)
break;
p=xpm_buffer+strlen(xpm_buffer);
}
if (xpm_buffer == (char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
/*
Remove comments.
*/
count=0;
for (p=xpm_buffer; *p != '\0'; p++)
{
if (*p != '"')
continue;
count=(ssize_t) sscanf(p+1,"%lu %lu %lu %lu",&image->columns,&image->rows,
&image->colors,&width);
if (count == 4)
break;
}
if ((count != 4) || (width > 10) || (image->columns == 0) ||
(image->rows == 0) || (image->colors == 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
image->depth=16;
/*
Remove unquoted characters.
*/
i=0;
active=MagickFalse;
q=xpm_buffer;
while (*p != '\0')
{
if (*p++ == '"')
{
if (active != MagickFalse)
*q++='\n';
active=active != MagickFalse ? MagickFalse : MagickTrue;
}
if (active != MagickFalse)
*q++=(*p);
}
*q='\0';
/*
Initialize image structure.
*/
xpm_colors=NewSplayTree(CompareXPMColor,RelinquishMagickMemory,
(void *(*)(void *)) NULL);
if (AcquireImageColormap(image,image->colors) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
/*
Read image colormap.
*/
i=1;
next=NextXPMLine(xpm_buffer);
for (j=0; (j < (long) image->colors) && (next != (char*) NULL); j++)
{
p=next;
next=NextXPMLine(p);
(void) CopyXPMColor(key,p,MagickMin((size_t) width,MaxTextExtent));
status=AddValueToSplayTree(xpm_colors,ConstantString(key),(void *) j);
/*
Parse color.
*/
(void) CopyMagickString(target,"gray",MaxTextExtent);
q=ParseXPMColor(p+width);
if (q != (char *) NULL)
{
while ((isspace((int) ((unsigned char) *q)) == 0) && (*q != '\0'))
q++;
if (next != (char *) NULL)
(void) CopyXPMColor(target,q,MagickMin((size_t) (next-q),
MaxTextExtent));
else
(void) CopyMagickString(target,q,MaxTextExtent);
q=ParseXPMColor(target);
if (q != (char *) NULL)
*q='\0';
}
StripString(target);
if (LocaleCompare(target,"none") == 0)
{
image->storage_class=DirectClass;
image->matte=MagickTrue;
}
if (QueryColorDatabase(target,&image->colormap[j],exception) == MagickFalse)
break;
}
if (j < (long) image->colors)
ThrowReaderException(CorruptImageError,"CorruptImage");
j=0;
if (image_info->ping == MagickFalse)
{
/*
Read image pixels.
*/
for (y=0; y < (long) image->rows; y++)
{
p=NextXPMLine(p);
if (p == (char *) NULL)
break;
r=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (r == (PixelPacket *) NULL)
break;
indexes=GetAuthenticIndexQueue(image);
for (x=0; x < (long) image->columns; x++)
{
(void) CopyXPMColor(key,p,(size_t) width);
j=(long) GetValueFromSplayTree(xpm_colors,key);
if (image->storage_class == PseudoClass)
indexes[x]=(IndexPacket) j;
*r=image->colormap[j];
r++;
p+=width;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
if (y < (long) image->rows)
ThrowReaderException(CorruptImageError,"NotEnoughPixelData");
}
/*
Relinquish resources.
*/
xpm_colors=DestroySplayTree(xpm_colors);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
* Method: queryColorDatabase
* Signature: (Ljava/lang/String;)Lmagick/PixelPacket;
*/
JNIEXPORT jobject JNICALL Java_magick_PixelPacket_queryColorDatabase
(JNIEnv *env, jclass class, jstring target)
{
PixelPacket iPixelPacket;
const char *cstr;
unsigned int result;
jmethodID consMethodID;
jobject jPixelPacket;
ExceptionInfo exception;
cstr = (*env)->GetStringUTFChars(env, target, 0);
GetExceptionInfo(&exception);
result = QueryColorDatabase(cstr, &iPixelPacket, &exception);
(*env)->ReleaseStringUTFChars(env, target, cstr);
if (!result) {
throwMagickApiException(env, "Unable to locate color", &exception);
DestroyExceptionInfo(&exception);
return NULL;
}
consMethodID = (*env)->GetMethodID(env, class, "<init>", "(IIII)V");
if (consMethodID == 0) {
throwMagickException(env, "Unable to construct magick.PixelPacket");
return NULL;
}
#ifdef DIAGNOSTIC
static MagickBooleanType WriteHISTOGRAMImage(const ImageInfo *image_info,
Image *image)
{
#define HistogramDensity "256x200"
ChannelType
channel;
char
filename[MaxTextExtent];
const char
*option;
ExceptionInfo
*exception;
Image
*histogram_image;
ImageInfo
*write_info;
MagickBooleanType
status;
MagickPixelPacket
*histogram;
MagickRealType
maximum,
scale;
RectangleInfo
geometry;
register const PixelPacket
*p;
register PixelPacket
*q,
*r;
register ssize_t
x;
size_t
length;
ssize_t
y;
/*
Allocate histogram image.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
SetGeometry(image,&geometry);
if (image_info->density == (char *) NULL)
(void) ParseAbsoluteGeometry(HistogramDensity,&geometry);
else
(void) ParseAbsoluteGeometry(image_info->density,&geometry);
histogram_image=CloneImage(image,geometry.width,geometry.height,MagickTrue,
&image->exception);
if (histogram_image == (Image *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
(void) SetImageStorageClass(histogram_image,DirectClass);
/*
Allocate histogram count arrays.
*/
length=MagickMax((size_t) ScaleQuantumToChar(QuantumRange)+1UL,
histogram_image->columns);
histogram=(MagickPixelPacket *) AcquireQuantumMemory(length,
sizeof(*histogram));
if (histogram == (MagickPixelPacket *) NULL)
{
histogram_image=DestroyImage(histogram_image);
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
}
/*
Initialize histogram count arrays.
*/
channel=image_info->channel;
(void) ResetMagickMemory(histogram,0,length*sizeof(*histogram));
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
if ((channel & RedChannel) != 0)
histogram[ScaleQuantumToChar(GetPixelRed(p))].red++;
if ((channel & GreenChannel) != 0)
histogram[ScaleQuantumToChar(GetPixelGreen(p))].green++;
if ((channel & BlueChannel) != 0)
histogram[ScaleQuantumToChar(GetPixelBlue(p))].blue++;
p++;
}
}
maximum=histogram[0].red;
for (x=0; x < (ssize_t) histogram_image->columns; x++)
{
if (((channel & RedChannel) != 0) && (maximum < histogram[x].red))
maximum=histogram[x].red;
if (((channel & GreenChannel) != 0) && (maximum < histogram[x].green))
maximum=histogram[x].green;
if (((channel & BlueChannel) != 0) && (maximum < histogram[x].blue))
maximum=histogram[x].blue;
}
scale=(MagickRealType) histogram_image->rows/maximum;
/*
Initialize histogram image.
*/
exception=(&image->exception);
(void) QueryColorDatabase("#000",&histogram_image->background_color,
&image->exception);
(void) SetImageBackgroundColor(histogram_image);
for (x=0; x < (ssize_t) histogram_image->columns; x++)
{
q=GetAuthenticPixels(histogram_image,x,0,1,histogram_image->rows,exception);
if (q == (PixelPacket *) NULL)
break;
if ((channel & RedChannel) != 0)
{
y=(ssize_t) ceil(histogram_image->rows-scale*histogram[x].red-0.5);
r=q+y;
for ( ; y < (ssize_t) histogram_image->rows; y++)
{
SetPixelRed(r,QuantumRange);
r++;
}
}
if ((channel & GreenChannel) != 0)
{
y=(ssize_t) ceil(histogram_image->rows-scale*histogram[x].green-0.5);
r=q+y;
for ( ; y < (ssize_t) histogram_image->rows; y++)
{
SetPixelGreen(r,QuantumRange);
r++;
}
}
if ((channel & BlueChannel) != 0)
{
y=(ssize_t) ceil(histogram_image->rows-scale*histogram[x].blue-0.5);
r=q+y;
for ( ; y < (ssize_t) histogram_image->rows; y++)
{
SetPixelBlue(r,QuantumRange);
r++;
}
}
if (SyncAuthenticPixels(histogram_image,exception) == MagickFalse)
break;
status=SetImageProgress(image,SaveImageTag,y,histogram_image->rows);
if (status == MagickFalse)
break;
}
/*
Relinquish resources.
*/
histogram=(MagickPixelPacket *) RelinquishMagickMemory(histogram);
option=GetImageOption(image_info,"histogram:unique-colors");
if ((option == (const char *) NULL) || (IsMagickTrue(option) != MagickFalse))
{
FILE
*file;
int
unique_file;
/*
Add a unique colors as an image comment.
*/
file=(FILE *) NULL;
unique_file=AcquireUniqueFileResource(filename);
if (unique_file != -1)
file=fdopen(unique_file,"wb");
if ((unique_file != -1) && (file != (FILE *) NULL))
{
char
*property;
(void) GetNumberColors(image,file,&image->exception);
(void) fclose(file);
property=FileToString(filename,~0UL,&image->exception);
if (property != (char *) NULL)
{
(void) SetImageProperty(histogram_image,"comment",property);
property=DestroyString(property);
}
}
(void) RelinquishUniqueFileResource(filename);
}
/*
Write Histogram image.
*/
(void) CopyMagickString(histogram_image->filename,image_info->filename,
MaxTextExtent);
write_info=CloneImageInfo(image_info);
(void) SetImageInfo(write_info,1,&image->exception);
if (LocaleCompare(write_info->magick,"HISTOGRAM") == 0)
(void) FormatLocaleString(histogram_image->filename,MaxTextExtent,
"miff:%s",write_info->filename);
status=WriteImage(write_info,histogram_image);
histogram_image=DestroyImage(histogram_image);
write_info=DestroyImageInfo(write_info);
return(status);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d X C I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadXCImage creates a constant image and initializes it to the
% X server color as specified by the filename. It allocates the memory
% necessary for the new Image structure and returns a pointer to the new
% image.
%
% The format of the ReadXCImage method is:
%
% Image *ReadXCImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: The image.
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadXCImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
Image
*image;
IndexPacket
*indexes;
MagickBooleanType
status;
MagickPixelPacket
color;
long
y;
register long
x;
register PixelPacket
*q;
/*
Initialize Image structure.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AllocateImage(image_info);
if (image->columns == 0)
image->columns=1;
if (image->rows == 0)
image->rows=1;
(void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent);
status=QueryMagickColor((char *) image_info->filename,&color,exception);
if (status == MagickFalse)
{
image=DestroyImage(image);
return((Image *) NULL);
}
image->colorspace=color.colorspace;
image->matte=color.matte;
if ((image->colorspace == RGBColorspace) && (image->matte == MagickFalse))
{
if (AllocateImageColormap(image,1) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
(void) QueryColorDatabase((char *) image_info->filename,
&image->background_color,exception);
image->colormap[0]=image->background_color;
color.index=0.0;
}
if (SetImageExtent(image,0,0) == MagickFalse)
{
InheritException(exception,&image->exception);
return(DestroyImageList(image));
}
for (y=0; y < (long) image->rows; y++)
{
q=GetImagePixels(image,0,y,image->columns,1);
if (q == (PixelPacket *) NULL)
break;
indexes=GetIndexes(image);
for (x=0; x < (long) image->columns; x++)
{
q->red=RoundToQuantum(color.red);
q->green=RoundToQuantum(color.green);
q->blue=RoundToQuantum(color.blue);
if (image->matte)
q->opacity=RoundToQuantum(color.opacity);
if ((image->storage_class == PseudoClass) ||
(image->colorspace == CMYKColorspace))
indexes[x]=(IndexPacket) RoundToQuantum(color.index);
q++;
}
if (SyncImagePixels(image) == MagickFalse)
break;
}
return(GetFirstImageInList(image));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d C A C H E I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadMPCImage() reads an Magick Persistent Cache image file and returns
% it. It allocates the memory necessary for the new Image structure and
% returns a pointer to the new image.
%
% The format of the ReadMPCImage method is:
%
% Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
% Decompression code contributed by Kyle Shorter.
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
char
cache_filename[MaxTextExtent],
id[MaxTextExtent],
keyword[MaxTextExtent],
*options;
const unsigned char
*p;
GeometryInfo
geometry_info;
Image
*image;
int
c;
LinkedListInfo
*profiles;
MagickBooleanType
status;
MagickOffsetType
offset;
MagickStatusType
flags;
register long
i;
size_t
length;
ssize_t
count;
StringInfo
*profile;
unsigned long
depth,
quantum_depth;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
(void) CopyMagickString(cache_filename,image->filename,MaxTextExtent);
AppendImageFormat("cache",cache_filename);
c=ReadBlobByte(image);
if (c == EOF)
{
image=DestroyImage(image);
return((Image *) NULL);
}
*id='\0';
(void) ResetMagickMemory(keyword,0,sizeof(keyword));
offset=0;
do
{
/*
Decode image header; header terminates one character beyond a ':'.
*/
profiles=(LinkedListInfo *) NULL;
length=MaxTextExtent;
options=AcquireString((char *) NULL);
quantum_depth=MAGICKCORE_QUANTUM_DEPTH;
image->depth=8;
image->compression=NoCompression;
while ((isgraph(c) != MagickFalse) && (c != (int) ':'))
{
register char
*p;
if (c == (int) '{')
{
char
*comment;
/*
Read comment-- any text between { }.
*/
length=MaxTextExtent;
comment=AcquireString((char *) NULL);
for (p=comment; comment != (char *) NULL; p++)
{
c=ReadBlobByte(image);
if ((c == EOF) || (c == (int) '}'))
break;
if ((size_t) (p-comment+1) >= length)
{
*p='\0';
length<<=1;
comment=(char *) ResizeQuantumMemory(comment,length+
MaxTextExtent,sizeof(*comment));
if (comment == (char *) NULL)
break;
p=comment+strlen(comment);
}
*p=(char) c;
}
if (comment == (char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
*p='\0';
(void) SetImageProperty(image,"comment",comment);
comment=DestroyString(comment);
c=ReadBlobByte(image);
}
else
if (isalnum(c) != MagickFalse)
{
/*
Get the keyword.
*/
p=keyword;
do
{
if (isspace((int) ((unsigned char) c)) != 0)
break;
if (c == (int) '=')
break;
if ((size_t) (p-keyword) < (MaxTextExtent-1))
*p++=(char) c;
c=ReadBlobByte(image);
} while (c != EOF);
*p='\0';
p=options;
while (isspace((int) ((unsigned char) c)) != 0)
c=ReadBlobByte(image);
if (c == (int) '=')
{
/*
Get the keyword value.
*/
c=ReadBlobByte(image);
while ((c != (int) '}') && (c != EOF))
{
if ((size_t) (p-options+1) >= length)
{
*p='\0';
length<<=1;
options=(char *) ResizeQuantumMemory(options,length+
MaxTextExtent,sizeof(*options));
if (options == (char *) NULL)
break;
p=options+strlen(options);
}
if (options == (char *) NULL)
ThrowReaderException(ResourceLimitError,
"MemoryAllocationFailed");
*p++=(char) c;
c=ReadBlobByte(image);
if (*options != '{')
if (isspace((int) ((unsigned char) c)) != 0)
break;
}
}
*p='\0';
if (*options == '{')
(void) CopyMagickString(options,options+1,MaxTextExtent);
/*
Assign a value to the specified keyword.
*/
switch (*keyword)
{
case 'b':
case 'B':
{
if (LocaleCompare(keyword,"background-color") == 0)
{
(void) QueryColorDatabase(options,&image->background_color,
exception);
break;
}
if (LocaleCompare(keyword,"blue-primary") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.blue_primary.x=geometry_info.rho;
image->chromaticity.blue_primary.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->chromaticity.blue_primary.y=
image->chromaticity.blue_primary.x;
break;
}
if (LocaleCompare(keyword,"border-color") == 0)
{
(void) QueryColorDatabase(options,&image->border_color,
exception);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'c':
case 'C':
{
if (LocaleCompare(keyword,"class") == 0)
{
long
storage_class;
storage_class=ParseMagickOption(MagickClassOptions,
MagickFalse,options);
if (storage_class < 0)
break;
image->storage_class=(ClassType) storage_class;
break;
}
if (LocaleCompare(keyword,"colors") == 0)
{
image->colors=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"colorspace") == 0)
{
long
colorspace;
colorspace=ParseMagickOption(MagickColorspaceOptions,
MagickFalse,options);
if (colorspace < 0)
break;
image->colorspace=(ColorspaceType) colorspace;
break;
}
if (LocaleCompare(keyword,"compression") == 0)
{
long
compression;
compression=ParseMagickOption(MagickCompressOptions,
MagickFalse,options);
if (compression < 0)
break;
image->compression=(CompressionType) compression;
break;
}
if (LocaleCompare(keyword,"columns") == 0)
{
image->columns=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'd':
case 'D':
{
if (LocaleCompare(keyword,"delay") == 0)
{
image->delay=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"depth") == 0)
{
image->depth=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"dispose") == 0)
{
long
dispose;
dispose=ParseMagickOption(MagickDisposeOptions,MagickFalse,
options);
if (dispose < 0)
break;
image->dispose=(DisposeType) dispose;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'e':
case 'E':
{
if (LocaleCompare(keyword,"endian") == 0)
{
long
endian;
endian=ParseMagickOption(MagickEndianOptions,MagickFalse,
options);
if (endian < 0)
break;
image->endian=(EndianType) endian;
break;
}
if (LocaleCompare(keyword,"error") == 0)
{
image->error.mean_error_per_pixel=StringToDouble(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'g':
case 'G':
{
if (LocaleCompare(keyword,"gamma") == 0)
{
image->gamma=StringToDouble(options);
break;
}
if (LocaleCompare(keyword,"green-primary") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.green_primary.x=geometry_info.rho;
image->chromaticity.green_primary.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->chromaticity.green_primary.y=
image->chromaticity.green_primary.x;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'i':
case 'I':
{
if (LocaleCompare(keyword,"id") == 0)
{
(void) CopyMagickString(id,options,MaxTextExtent);
break;
}
if (LocaleCompare(keyword,"iterations") == 0)
{
image->iterations=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'm':
case 'M':
{
if (LocaleCompare(keyword,"matte") == 0)
{
long
matte;
matte=ParseMagickOption(MagickBooleanOptions,MagickFalse,
options);
if (matte < 0)
break;
image->matte=(MagickBooleanType) matte;
break;
}
if (LocaleCompare(keyword,"matte-color") == 0)
{
(void) QueryColorDatabase(options,&image->matte_color,
exception);
break;
}
if (LocaleCompare(keyword,"maximum-error") == 0)
{
image->error.normalized_maximum_error=StringToDouble(options);
break;
}
if (LocaleCompare(keyword,"mean-error") == 0)
{
image->error.normalized_mean_error=StringToDouble(options);
break;
}
if (LocaleCompare(keyword,"montage") == 0)
{
(void) CloneString(&image->montage,options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'o':
case 'O':
{
if (LocaleCompare(keyword,"opaque") == 0)
{
long
matte;
matte=ParseMagickOption(MagickBooleanOptions,MagickFalse,
options);
if (matte < 0)
break;
image->matte=(MagickBooleanType) matte;
break;
}
if (LocaleCompare(keyword,"orientation") == 0)
{
long
orientation;
orientation=ParseMagickOption(MagickOrientationOptions,
MagickFalse,options);
if (orientation < 0)
break;
image->orientation=(OrientationType) orientation;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'p':
case 'P':
{
if (LocaleCompare(keyword,"page") == 0)
{
char
*geometry;
geometry=GetPageGeometry(options);
(void) ParseAbsoluteGeometry(geometry,&image->page);
geometry=DestroyString(geometry);
break;
}
if ((LocaleNCompare(keyword,"profile:",8) == 0) ||
(LocaleNCompare(keyword,"profile-",8) == 0))
{
if (profiles == (LinkedListInfo *) NULL)
profiles=NewLinkedList(0);
(void) AppendValueToLinkedList(profiles,
AcquireString(keyword+8));
profile=AcquireStringInfo((size_t) StringToLong(options));
(void) SetImageProfile(image,keyword+8,profile);
profile=DestroyStringInfo(profile);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'q':
case 'Q':
{
if (LocaleCompare(keyword,"quality") == 0)
{
image->quality=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"quantum-depth") == 0)
{
quantum_depth=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'r':
case 'R':
{
if (LocaleCompare(keyword,"red-primary") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.red_primary.x=geometry_info.rho;
if ((flags & SigmaValue) != 0)
image->chromaticity.red_primary.y=geometry_info.sigma;
break;
}
if (LocaleCompare(keyword,"rendering-intent") == 0)
{
long
rendering_intent;
rendering_intent=ParseMagickOption(MagickIntentOptions,
MagickFalse,options);
if (rendering_intent < 0)
break;
image->rendering_intent=(RenderingIntent) rendering_intent;
break;
}
if (LocaleCompare(keyword,"resolution") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->x_resolution=geometry_info.rho;
image->y_resolution=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->y_resolution=image->x_resolution;
break;
}
if (LocaleCompare(keyword,"rows") == 0)
{
image->rows=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 's':
case 'S':
{
if (LocaleCompare(keyword,"scene") == 0)
{
image->scene=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 't':
case 'T':
{
if (LocaleCompare(keyword,"ticks-per-second") == 0)
{
image->ticks_per_second=(long) StringToLong(options);
break;
}
if (LocaleCompare(keyword,"tile-offset") == 0)
{
char
*geometry;
geometry=GetPageGeometry(options);
(void) ParseAbsoluteGeometry(geometry,&image->tile_offset);
geometry=DestroyString(geometry);
}
if (LocaleCompare(keyword,"type") == 0)
{
long
type;
type=ParseMagickOption(MagickTypeOptions,MagickFalse,
options);
if (type < 0)
break;
image->type=(ImageType) type;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'u':
case 'U':
{
if (LocaleCompare(keyword,"units") == 0)
{
long
units;
units=ParseMagickOption(MagickResolutionOptions,MagickFalse,
options);
if (units < 0)
break;
image->units=(ResolutionType) units;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'w':
case 'W':
{
if (LocaleCompare(keyword,"white-point") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.white_point.x=geometry_info.rho;
image->chromaticity.white_point.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->chromaticity.white_point.y=
image->chromaticity.white_point.x;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
default:
{
(void) SetImageProperty(image,keyword,options);
break;
}
}
}
else
c=ReadBlobByte(image);
while (isspace((int) ((unsigned char) c)) != 0)
c=ReadBlobByte(image);
}
options=DestroyString(options);
(void) ReadBlobByte(image);
/*
Verify that required image information is defined.
*/
if ((LocaleCompare(id,"MagickCache") != 0) ||
(image->storage_class == UndefinedClass) ||
(image->compression == UndefinedCompression) || (image->columns == 0) ||
(image->rows == 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if (quantum_depth != MAGICKCORE_QUANTUM_DEPTH)
ThrowReaderException(CacheError,"InconsistentPersistentCacheDepth");
if (image->montage != (char *) NULL)
{
register char
*p;
/*
Image directory.
*/
length=MaxTextExtent;
image->directory=AcquireString((char *) NULL);
p=image->directory;
do
{
*p='\0';
if ((strlen(image->directory)+MaxTextExtent) >= length)
{
/*
Allocate more memory for the image directory.
*/
length<<=1;
image->directory=(char *) ResizeQuantumMemory(image->directory,
length+MaxTextExtent,sizeof(*image->directory));
if (image->directory == (char *) NULL)
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
p=image->directory+strlen(image->directory);
}
c=ReadBlobByte(image);
*p++=(char) c;
} while (c != (int) '\0');
}
if (profiles != (LinkedListInfo *) NULL)
{
const char
*name;
const StringInfo
*profile;
register unsigned char
*p;
/*
Read image profiles.
*/
ResetLinkedListIterator(profiles);
name=(const char *) GetNextValueInLinkedList(profiles);
while (name != (const char *) NULL)
{
profile=GetImageProfile(image,name);
if (profile != (StringInfo *) NULL)
{
p=GetStringInfoDatum(profile);
count=ReadBlob(image,GetStringInfoLength(profile),p);
}
name=(const char *) GetNextValueInLinkedList(profiles);
}
profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
}
depth=GetImageQuantumDepth(image,MagickFalse);
if (image->storage_class == PseudoClass)
{
/*
Create image colormap.
*/
if (AcquireImageColormap(image,image->colors) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
if (image->colors != 0)
{
size_t
packet_size;
unsigned char
*colormap;
/*
Read image colormap from file.
*/
packet_size=(size_t) (3UL*depth/8UL);
colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
packet_size*sizeof(*colormap));
if (colormap == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
count=ReadBlob(image,packet_size*image->colors,colormap);
if (count != (ssize_t) (packet_size*image->colors))
ThrowReaderException(CorruptImageError,
"InsufficientImageDataInFile");
p=colormap;
switch (depth)
{
default:
ThrowReaderException(CorruptImageError,
"ImageDepthNotSupported");
case 8:
{
unsigned char
pixel;
for (i=0; i < (long) image->colors; i++)
{
p=PushCharPixel(p,&pixel);
image->colormap[i].red=ScaleCharToQuantum(pixel);
p=PushCharPixel(p,&pixel);
image->colormap[i].green=ScaleCharToQuantum(pixel);
p=PushCharPixel(p,&pixel);
image->colormap[i].blue=ScaleCharToQuantum(pixel);
}
break;
}
case 16:
{
unsigned short
pixel;
for (i=0; i < (long) image->colors; i++)
{
p=PushShortPixel(MSBEndian,p,&pixel);
image->colormap[i].red=ScaleShortToQuantum(pixel);
p=PushShortPixel(MSBEndian,p,&pixel);
image->colormap[i].green=ScaleShortToQuantum(pixel);
p=PushShortPixel(MSBEndian,p,&pixel);
image->colormap[i].blue=ScaleShortToQuantum(pixel);
}
break;
}
case 32:
{
unsigned long
pixel;
for (i=0; i < (long) image->colors; i++)
{
p=PushLongPixel(MSBEndian,p,&pixel);
image->colormap[i].red=ScaleLongToQuantum(pixel);
p=PushLongPixel(MSBEndian,p,&pixel);
image->colormap[i].green=ScaleLongToQuantum(pixel);
p=PushLongPixel(MSBEndian,p,&pixel);
image->colormap[i].blue=ScaleLongToQuantum(pixel);
}
break;
}
}
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
}
}
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
/*
Attach persistent pixel cache.
*/
status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception);
if (status == MagickFalse)
ThrowReaderException(CacheError,"UnableToPersistPixelCache");
/*
Proceed to next image.
*/
do
{
c=ReadBlobByte(image);
} while ((isgraph(c) == MagickFalse) && (c != EOF));
if (c != EOF)
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
} while (c != EOF);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
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[MaxTextExtent],
*title;
const char
*value;
DrawInfo
*draw_info;
FrameInfo
frame_info;
Image
*image,
**image_list,
**master_list,
*montage,
*texture,
*tile_image,
*thumbnail;
ImageInfo
*clone_info;
long
tile,
x,
x_offset,
y,
y_offset;
MagickBooleanType
concatenate,
proceed,
status;
MagickOffsetType
tiles;
MagickStatusType
flags;
MagickProgressMonitor
progress_monitor;
register long
i;
RectangleInfo
bounds,
geometry,
extract_info;
size_t
extent;
TypeMetric
metrics;
unsigned long
bevel_width,
border_width,
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;
/*
Create image tiles.
*/
assert(images != (Image *) NULL);
assert(images->signature == MagickSignature);
if (images->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
assert(montage_info != (MontageInfo *) NULL);
assert(montage_info->signature == MagickSignature);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
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 < (long) 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,i,number_images);
if (proceed == MagickFalse)
break;
image=DestroyImage(image);
}
if (i < (long) number_images)
{
if (thumbnail == (Image *) NULL)
i--;
for (tile=0; (long) 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 < (long) number_images; i++)
if (image_list[i]->scene == 0)
break;
if (i == (long) number_images)
qsort((void *) image_list,(size_t) number_images,sizeof(*image_list),
SceneCompare);
/*
Determine tiles per row and column.
*/
tiles_per_column=(unsigned long) sqrt((double) number_images);
tiles_per_row=(unsigned long) 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=(long) montage_info->border_width;
extract_info.y=(long) 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);
if ((extract_info.x == 0) && (extract_info.y == 0))
concatenate=((flags & RhoValue) == 0) && ((flags & SigmaValue) == 0) ?
MagickTrue : MagickFalse;
}
border_width=montage_info->border_width;
bevel_width=0;
if (montage_info->frame != (char *) NULL)
{
char
absolute_geometry[MaxTextExtent];
(void) ResetMagickMemory(&frame_info,0,sizeof(frame_info));
frame_info.width=extract_info.width;
frame_info.height=extract_info.height;
(void) FormatMagickString(absolute_geometry,MaxTextExtent,"%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=(long) frame_info.width/2;
if ((flags & PsiValue) == 0)
frame_info.inner_bevel=frame_info.outer_bevel;
frame_info.x=(long) frame_info.width;
frame_info.y=(long) frame_info.height;
bevel_width=(unsigned long) MagickMax(frame_info.inner_bevel,
frame_info.outer_bevel);
border_width=(unsigned long) MagickMax((long) frame_info.width,
(long) frame_info.height);
}
for (i=0; i < (long) 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);
texture=NewImageList();
if (montage_info->texture != (char *) NULL)
{
(void) CopyMagickString(clone_info->filename,montage_info->texture,
MaxTextExtent);
texture=ReadImage(clone_info,exception);
}
/*
Determine the number of lines in an next label.
*/
title=InterpretImageProperties(clone_info,image_list[0],montage_info->title);
title_offset=0;
if (montage_info->title != (char *) NULL)
title_offset=(unsigned long) (2*(metrics.ascent-metrics.descent)*
MultilineCensus(title)+2*extract_info.y);
number_lines=0;
for (i=0; i < (long) number_images; i++)
{
value=GetImageProperty(image_list[i],"label");
if (value == (const char *) NULL)
continue;
if (MultilineCensus(value) > number_lines)
number_lines=MultilineCensus(value);
}
/*
Allocate next structure.
*/
tile_image=AcquireImage(NULL);
montage=AcquireImage(clone_info);
montage->scene=0;
images_per_page=(number_images-1)/(tiles_per_row*tiles_per_column)+1;
tiles=0;
total_tiles=(unsigned long) number_images;
for (i=0; i < (long) 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+=(long) title_offset;
max_height=0;
bounds.width=0;
bounds.height=0;
width=0;
for (tile=0; tile < (long) tiles_per_page; tile++)
{
if (tile < (long) 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+=width+(extract_info.x+border_width)*2;
if (x_offset > (long) bounds.width)
bounds.width=(unsigned long) x_offset;
if (((tile+1) == (long) 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+=(unsigned long) (height+(extract_info.y+border_width)*2+
(metrics.ascent-metrics.descent+4)*number_lines+
(montage_info->shadow != MagickFalse ? 4 : 0));
if (y_offset > (long) bounds.height)
bounds.height=(unsigned long) y_offset;
max_height=0;
}
}
if (montage_info->shadow != MagickFalse)
bounds.width+=4;
/*
Initialize montage image.
*/
(void) CopyMagickString(montage->filename,montage_info->filename,
MaxTextExtent);
montage->columns=bounds.width;
montage->rows=bounds.height;
(void) SetImageBackgroundColor(montage);
/*
Set montage geometry.
*/
montage->montage=AcquireString((char *) NULL);
tile=0;
extent=1;
while (tile < MagickMin((long) tiles_per_page,(long) 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))
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+=(long) title_offset;
(void) FormatMagickString(montage->montage,MaxTextExtent,"%ldx%ld%+ld%+ld",
(long) (extract_info.width+(extract_info.x+border_width)*2),
(long) (extract_info.height+(extract_info.y+border_width)*2+
(metrics.ascent-metrics.descent+4)*number_lines+
(montage_info->shadow != MagickFalse ? 4 : 0)),x_offset,y_offset);
*montage->directory='\0';
tile=0;
while (tile < MagickMin((long) tiles_per_page,(long) 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);
if (montage_info->title != (char *) NULL)
{
char
geometry[MaxTextExtent];
DrawInfo
*clone_info;
TypeMetric
metrics;
/*
Annotate composite image with title.
*/
clone_info=CloneDrawInfo(image_info,draw_info);
clone_info->gravity=CenterGravity;
clone_info->pointsize*=2.0;
(void) GetTypeMetrics(image_list[0],clone_info,&metrics);
(void) FormatMagickString(geometry,MaxTextExtent,"%lux%lu%+ld%+ld",
montage->columns,(unsigned long) (metrics.ascent-metrics.descent),
0L,(long) extract_info.y+4);
(void) CloneString(&clone_info->geometry,geometry);
(void) CloneString(&clone_info->text,title);
(void) AnnotateImage(montage,clone_info);
clone_info=DestroyDrawInfo(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+=(long) title_offset+extract_info.y;
max_height=0;
for (tile=0; tile < MagickMin((long) tiles_per_page,(long) number_images); tile++)
{
/*
Copy this tile to the composite.
*/
image=CloneImage(image_list[tile],0,0,MagickTrue,exception);
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,exception);
if (border_image != (Image *) NULL)
{
image=DestroyImage(image);
image=border_image;
}
if ((montage_info->frame != (char *) NULL) &&
(image->compose == DstOutCompositeOp))
(void) NegateImageChannel(image,OpacityChannel,MagickFalse);
}
/*
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) FormatMagickString(tile_geometry,MaxTextExtent,"%lux%lu+0+0",
image->columns,image->rows);
flags=ParseGravityGeometry(tile_image,tile_geometry,&geometry,exception);
x=(long) (geometry.x+border_width);
y=(long) (geometry.y+border_width);
if ((montage_info->frame != (char *) NULL) && (bevel_width != 0))
{
FrameInfo
extract_info;
Image
*frame_image;
/*
Put an ornamental border around this tile.
*/
extract_info=frame_info;
extract_info.width=width+2*frame_info.width;
extract_info.height=height+2*frame_info.height;
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
extract_info.height+=(unsigned long) ((metrics.ascent-
metrics.descent+4)*MultilineCensus(value));
frame_image=FrameImage(image,&extract_info,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) QueryColorDatabase("#000000",&image->background_color,
exception);
shadow_image=ShadowImage(image,80.0,2.0,5,5,exception);
if (shadow_image != (Image *) NULL)
{
InheritException(&shadow_image->exception,exception);
(void) CompositeImage(shadow_image,OverCompositeOp,image,0,0);
image=DestroyImage(image);
image=shadow_image;
}
}
(void) CompositeImage(montage,OverCompositeOp,image,x_offset+x,
y_offset+y);
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
{
char
geometry[MaxTextExtent];
/*
Annotate composite tile with label.
*/
(void) FormatMagickString(geometry,MaxTextExtent,
"%lux%lu%+ld%+ld",(montage_info->frame ? image->columns :
width)-2*border_width,(unsigned long) (metrics.ascent-
metrics.descent+4)*MultilineCensus(value),x_offset+
border_width,(montage_info->frame ? y_offset+height+
border_width+4 : y_offset+extract_info.height+border_width+
(montage_info->shadow != MagickFalse ? 4 : 0)));
(void) CloneString(&draw_info->geometry,geometry);
(void) CloneString(&draw_info->text,value);
(void) AnnotateImage(montage,draw_info);
}
}
x_offset+=width+(extract_info.x+border_width)*2;
if (((tile+1) == (long) tiles_per_page) ||
(((tile+1) % tiles_per_row) == 0))
{
x_offset=extract_info.x;
y_offset+=(unsigned long) (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) &&
(QuantumTick(tiles,total_tiles) != MagickFalse))
{
status=images->progress_monitor(MontageImageTag,tiles,total_tiles,
images->client_data);
if (status == MagickFalse)
break;
}
image_list[tile]=DestroyImage(image_list[tile]);
image=DestroyImage(image);
tiles++;
}
if ((i+1) < (long) images_per_page)
{
/*
Allocate next image structure.
*/
AcquireNextImage(clone_info,montage);
if (GetNextImageInList(montage) == (Image *) NULL)
{
montage=DestroyImageList(montage);
return((Image *) NULL);
}
montage=GetNextImageInList(montage);
image_list+=tiles_per_page;
number_images-=tiles_per_page;
}
}
tile_image=DestroyImage(tile_image);
if (texture != (Image *) NULL)
texture=DestroyImage(texture);
master_list=(Image **) RelinquishMagickMemory(master_list);
draw_info=DestroyDrawInfo(draw_info);
clone_info=DestroyImageInfo(clone_info);
while (GetPreviousImageInList(montage) != (Image *) NULL)
montage=GetPreviousImageInList(montage);
return(montage);
}
