Magick::Options::Options(void)
: _imageInfo(static_cast<ImageInfo*>(AcquireMagickMemory(
sizeof(ImageInfo)))),
_quantizeInfo(static_cast<QuantizeInfo*>(AcquireMagickMemory(
sizeof(QuantizeInfo)))),
_drawInfo(static_cast<DrawInfo*>(AcquireMagickMemory(sizeof(DrawInfo)))),
_quiet(false)
{
// Initialize image info with defaults
GetImageInfo(_imageInfo);
// Initialize quantization info
GetQuantizeInfo(_quantizeInfo);
// Initialize drawing info
GetDrawInfo(_imageInfo,_drawInfo);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% N e w P i x e l R e g i o n I t e r a t o r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% NewPixelRegionIterator() returns a new pixel iterator.
%
% The format of the NewPixelRegionIterator method is:
%
% PixelIterator *NewPixelRegionIterator(MagickWand *wand,const ssize_t x,
% const ssize_t y,const size_t width,const size_t height)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
% o x,y,columns,rows: These values define the perimeter of a region of
% pixels.
%
*/
WandExport PixelIterator *NewPixelRegionIterator(MagickWand *wand,
const ssize_t x,const ssize_t y,const size_t width,const size_t height)
{
CacheView
*view;
const char
*quantum;
ExceptionInfo
*exception;
Image
*image;
PixelIterator
*iterator;
size_t
depth;
assert(wand != (MagickWand *) NULL);
depth=MAGICKCORE_QUANTUM_DEPTH;
quantum=GetMagickQuantumDepth(&depth);
if (depth != MAGICKCORE_QUANTUM_DEPTH)
ThrowWandFatalException(WandError,"QuantumDepthMismatch",quantum);
if ((width == 0) || (width == 0))
ThrowWandFatalException(WandError,"ZeroRegionSize",quantum);
image=GetImageFromMagickWand(wand);
if (image == (Image *) NULL)
return((PixelIterator *) NULL);
exception=AcquireExceptionInfo();
view=AcquireVirtualCacheView(image,exception);
if (view == (CacheView *) NULL)
return((PixelIterator *) NULL);
iterator=(PixelIterator *) AcquireMagickMemory(sizeof(*iterator));
if (iterator == (PixelIterator *) NULL)
ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
wand->name);
(void) ResetMagickMemory(iterator,0,sizeof(*iterator));
iterator->id=AcquireWandId();
(void) FormatLocaleString(iterator->name,MaxTextExtent,"%s-%.20g",
PixelIteratorId,(double) iterator->id);
iterator->exception=exception;
iterator->view=view;
SetGeometry(image,&iterator->region);
iterator->region.width=width;
iterator->region.height=height;
iterator->region.x=x;
iterator->region.y=y;
iterator->pixel_wands=NewPixelWands(iterator->region.width);
iterator->y=0;
iterator->debug=IsEventLogging();
if (iterator->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name);
iterator->signature=WandSignature;
return(iterator);
}
MAGICK_NET_EXPORT unsigned short *PixelCollection_ToShortArray(const CacheView *instance, const size_t x, const size_t y, const size_t width, const size_t height, const char *mapping, ExceptionInfo **exception)
{
ExportStart(unsigned short);
result = AcquireMagickMemory(length);
MAGICK_NET_GET_EXCEPTION;
ExportImagePixels(GetCacheViewImage(instance), x, y, width, height, mapping, ShortPixel, result, exceptionInfo);
MAGICK_NET_SET_EXCEPTION;
return result;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e Q u a n t u m M e m o r y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireQuantumMemory() returns a pointer to a block of memory at least
% count * quantum bytes suitably aligned for any use.
%
% The format of the AcquireQuantumMemory method is:
%
% void *AcquireQuantumMemory(const size_t count,const size_t quantum)
%
% A description of each parameter follows:
%
% o count: the number of quantum elements to allocate.
%
% o quantum: the number of bytes in each quantum.
%
*/
MagickExport void *AcquireQuantumMemory(const size_t count,const size_t quantum)
{
size_t
extent;
if (CheckMemoryOverflow(count,quantum) != MagickFalse)
return((void *) NULL);
extent=count*quantum;
return(AcquireMagickMemory(extent));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e V i r t u a l M e m o r y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireVirtualMemory() allocates a pointer to a block of memory at least size
% bytes suitably aligned for any use.
%
% The format of the AcquireVirtualMemory method is:
%
% MemoryInfo *AcquireVirtualMemory(const size_t count,const size_t quantum)
%
% A description of each parameter follows:
%
% o count: the number of quantum elements to allocate.
%
% o quantum: the number of bytes in each quantum.
%
*/
MagickExport MemoryInfo *AcquireVirtualMemory(const size_t count,
const size_t quantum)
{
MemoryInfo
*memory_info;
size_t
length;
length=count*quantum;
if ((count == 0) || (quantum != (length/count)))
{
errno=ENOMEM;
return((void *) NULL);
}
memory_info=(MemoryInfo *) MagickAssumeAligned(AcquireAlignedMemory(1,
sizeof(*memory_info)));
if (memory_info == (MemoryInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
(void) ResetMagickMemory(memory_info,0,sizeof(*memory_info));
memory_info->length=length;
memory_info->signature=MagickSignature;
memory_info->blob=AcquireMagickMemory(length);
if (memory_info->blob == NULL)
{
/*
Heap memory failed, try anonymous memory mapping.
*/
memory_info->mapped=MagickTrue;
memory_info->blob=MapBlob(-1,IOMode,0,length);
}
if (memory_info->blob == NULL)
{
int
file;
/*
Anonymous memory mapping failed, try file-backed memory mapping.
*/
file=AcquireUniqueFileResource(memory_info->filename);
file=open_utf8(memory_info->filename,O_RDWR | O_CREAT | O_BINARY | O_EXCL,
S_MODE);
if (file == -1)
file=open_utf8(memory_info->filename,O_RDWR | O_BINARY,S_MODE);
if (file != -1)
{
if ((lseek(file,length-1,SEEK_SET) >= 0) && (write(file,"",1) == 1))
memory_info->blob=MapBlob(file,IOMode,0,length);
(void) close(file);
}
}
if (memory_info->blob == NULL)
return(RelinquishVirtualMemory(memory_info));
return(memory_info);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e T o k e n I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireTokenInfo() allocates the TokenInfo structure.
%
% The format of the AcquireTokenInfo method is:
%
% TokenInfo *AcquireTokenInfo()
%
*/
MagickExport TokenInfo *AcquireTokenInfo(void)
{
TokenInfo
*token_info;
token_info=(TokenInfo *) AcquireMagickMemory(sizeof(*token_info));
if (token_info == (TokenInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
token_info->signature=MagickCoreSignature;
return(token_info);
}
MAGICK_NET_EXPORT GeometryInfo *MagickGeometry_Create(void)
{
GeometryInfo
*geometry_info;
geometry_info = (GeometryInfo *)AcquireMagickMemory(sizeof(*geometry_info));
if (geometry_info == (GeometryInfo *)NULL)
return (GeometryInfo *)NULL;
ResetMagickMemory(geometry_info, 0, sizeof(*geometry_info));
return geometry_info;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% N e w P i x e l R e g i o n I t e r a t o r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% NewPixelRegionIterator() returns a new pixel iterator.
%
% The format of the NewPixelRegionIterator method is:
%
% PixelIterator NewPixelRegionIterator(MagickWand *wand,const long x,
% const long y,const unsigned long columns,const unsigned long rows,
% const MagickBooleanType modify)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
% o x,y,columns,rows: These values define the perimeter of a region of
% pixels.
%
*/
WandExport PixelIterator *NewPixelRegionIterator(MagickWand *wand,const long x,
const long y,const unsigned long columns,const unsigned long rows)
{
const char
*quantum;
Image
*image;
PixelIterator
*iterator;
unsigned long
depth;
ViewInfo
*view;
assert(wand != (MagickWand *) NULL);
depth=MAGICKCORE_QUANTUM_DEPTH;
quantum=GetMagickQuantumDepth(&depth);
if (depth != MAGICKCORE_QUANTUM_DEPTH)
ThrowWandFatalException(WandError,"QuantumDepthMismatch",quantum);
if ((columns == 0) || (rows == 0))
ThrowWandFatalException(WandError,"ZeroRegionSize",quantum);
image=GetImageFromMagickWand(wand);
if (image == (Image *) NULL)
return((PixelIterator *) NULL);
view=OpenCacheView(image);
if (view == (ViewInfo *) NULL)
return((PixelIterator *) NULL);
iterator=(PixelIterator *) AcquireMagickMemory(sizeof(*iterator));
if (iterator == (PixelIterator *) NULL)
ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
wand->name);
(void) ResetMagickMemory(iterator,0,sizeof(*iterator));
iterator->id=AcquireWandId();
(void) FormatMagickString(iterator->name,MaxTextExtent,"%s-%lu",
PixelIteratorId,iterator->id);
iterator->exception=AcquireExceptionInfo();
iterator->view=view;
SetGeometry(image,&iterator->region);
iterator->region.width=columns;
iterator->region.height=rows;
iterator->region.x=x;
iterator->region.y=y;
iterator->pixel_wands=NewPixelWands(iterator->region.width);
iterator->y=0;
iterator->debug=IsEventLogging();
if (iterator->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name);
iterator->signature=WandSignature;
return(iterator);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k Q u e r y M u l t i l i n e F o n t M e t r i c s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickQueryMultilineFontMetrics() returns a 7 element array representing the
% following font metrics:
%
% Element Description
% -------------------------------------------------
% 0 character width
% 1 character height
% 2 ascender
% 3 descender
% 4 text width
% 5 text height
% 6 maximum horizontal advance
%
% This method is like MagickQueryFontMetrics() but it returns the maximum text
% width and height for multiple lines of text.
%
% The format of the MagickQueryFontMetrics method is:
%
% double *MagickQueryMultilineFontMetrics(MagickWand *wand,
% const DrawingWand *drawing_wand,const char *text)
%
% A description of each parameter follows:
%
% o wand: The Magick wand.
%
% o drawing_wand: The drawing wand.
%
% o text: The text.
%
*/
WandExport double *MagickQueryMultilineFontMetrics(MagickWand *wand,
const DrawingWand *drawing_wand,const char *text)
{
double
*font_metrics;
DrawInfo
*draw_info;
MagickBooleanType
status;
TypeMetric
metrics;
assert(wand != (MagickWand *) NULL);
assert(wand->signature == MagickSignature);
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
assert(drawing_wand != (const DrawingWand *) NULL);
if (wand->images == (Image *) NULL)
{
(void) ThrowMagickException(&wand->exception,GetMagickModule(),WandError,
"ContainsNoImages","`%s'",wand->name);
return((double *) NULL);
}
font_metrics=(double *) AcquireMagickMemory(7*sizeof(*font_metrics));
if (font_metrics == (double *) NULL)
return((double *) NULL);
draw_info=PeekDrawingWand(drawing_wand);
if (draw_info == (DrawInfo *) NULL)
{
font_metrics=(double *) RelinquishMagickMemory(font_metrics);
return((double *) NULL);
}
(void) CloneString(&draw_info->text,text);
(void) ResetMagickMemory(&metrics,0,sizeof(metrics));
status=GetMultilineTypeMetrics(wand->images,draw_info,&metrics);
draw_info=DestroyDrawInfo(draw_info);
if (status == MagickFalse)
{
InheritException(&wand->exception,&wand->images->exception);
font_metrics=(double *) RelinquishMagickMemory(font_metrics);
return((double *) NULL);
}
font_metrics[0]=metrics.pixels_per_em.x;
font_metrics[1]=metrics.pixels_per_em.y;
font_metrics[2]=metrics.ascent;
font_metrics[3]=metrics.descent;
font_metrics[4]=metrics.width;
font_metrics[5]=metrics.height;
font_metrics[6]=metrics.max_advance;
return(font_metrics);
}
void *
magick_malloc(const size_t size)
{
void *ptr;
ptr = AcquireMagickMemory(size);
if (!ptr)
{
rb_raise(rb_eNoMemError, "not enough memory to continue");
}
return ptr;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k C r e a t e T h r e a d K e y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickCreateThreadKey() creates a thread key and returns it.
%
% The format of the MagickCreateThreadKey method is:
%
% MagickThreadKey MagickCreateThreadKey(MagickThreadKey *key)
%
*/
MagickExport MagickBooleanType MagickCreateThreadKey(MagickThreadKey *key)
{
#if defined(MAGICKCORE_THREAD_SUPPORT)
return(pthread_key_create(key,NULL) == 0 ? MagickTrue : MagickFalse);
#elif defined(MAGICKCORE_HAVE_WINTHREADS)
*key=TlsAlloc();
return(*key != TLS_OUT_OF_INDEXES ? MagickTrue : MagickFalse);
#else
*key=AcquireMagickMemory(sizeof(key));
return(*key != (void *) NULL ? MagickTrue : MagickFalse);
#endif
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e s i z e M a g i c k M e m o r y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ResizeMagickMemory() changes the size of the memory and returns a pointer to
% the (possibly moved) block. The contents will be unchanged up to the
% lesser of the new and old sizes.
%
% The format of the ResizeMagickMemory method is:
%
% void *ResizeMagickMemory(void *memory,const size_t size)
%
% A description of each parameter follows:
%
% o memory: A pointer to a memory allocation. On return the pointer
% may change but the contents of the original allocation will not.
%
% o size: The new size of the allocated memory.
%
%
*/
WandExport void *ResizeMagickMemory(void *memory,const size_t size)
{
void
*allocation;
if (memory == (void *) NULL)
return(AcquireMagickMemory(size));
allocation=realloc(memory,size);
if (allocation == (void *) NULL)
(void) RelinquishMagickMemory(memory);
return(allocation);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e E x c e p t i o n I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireExceptionInfo() allocates the ExceptionInfo structure.
%
% The format of the AcquireExceptionInfo method is:
%
% ExceptionInfo *AcquireExceptionInfo(void)
%
*/
MagickExport ExceptionInfo *AcquireExceptionInfo(void)
{
ExceptionInfo
*exception;
exception=(ExceptionInfo *) AcquireMagickMemory(sizeof(*exception));
if (exception == (ExceptionInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
GetExceptionInfo(exception);
exception->relinquish=MagickTrue;
return(exception);
}
void Magick::PixelData::init(Magick::Image &image_,const ::ssize_t x_,
const ::ssize_t y_,const size_t width_,const size_t height_,
std::string map_,const StorageType type_)
{
size_t
size;
_data=(void *) NULL;
_length=0;
_size=0;
if ((x_ < 0) || (width_ == 0) || (y_ < 0) || (height_ == 0) ||
(x_ > image_.columns()) || ((width_ + x_) > image_.columns())
|| (y_ > image_.rows()) || ((height_ + y_) > image_.rows())
|| (map_.length() == 0))
return;
switch(type_)
{
case CharPixel:
size=sizeof(unsigned char);
break;
case DoublePixel:
size=sizeof(double);
break;
case FloatPixel:
size=sizeof(float);
break;
case IntegerPixel:
case LongPixel:
size=sizeof(unsigned int);
break;
case QuantumPixel:
size=sizeof(Quantum);
break;
case ShortPixel:
size=sizeof(unsigned short);
break;
default:
throwExceptionExplicit(OptionError,"Invalid type");
return;
}
_length=width_*height_*map_.length();
_size=_length*size;
_data=AcquireMagickMemory(_size);
GetPPException;
MagickCore::ExportImagePixels(image_.constImage(),x_,y_,width_,height_,
map_.c_str(),type_,_data,exceptionInfo);
if (exceptionInfo->severity != UndefinedException)
relinquish();
ThrowPPException(image_.quiet());
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e Q u a n t u m M e m o r y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireQuantumMemory() returns a pointer to a block of memory at least
% count * quantum bytes suitably aligned for any use.
%
% The format of the AcquireQuantumMemory method is:
%
% void *AcquireQuantumMemory(const size_t count,const size_t quantum)
%
% A description of each parameter follows:
%
% o count: the number of quantum elements to allocate.
%
% o quantum: the number of bytes in each quantum.
%
*/
MagickExport void *AcquireQuantumMemory(const size_t count,const size_t quantum)
{
size_t
size;
size=count*quantum;
if ((count == 0) || (quantum != (size/count)))
{
errno=ENOMEM;
return((void *) NULL);
}
return(AcquireMagickMemory(size));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% C l o n e E x c e p t i o n I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% CloneExceptionInfo() clones the ExceptionInfo structure.
%
% The format of the CloneExceptionInfo method is:
%
% ExceptionInfo *CloneException(ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o exception: the exception info.
%
*/
MagickExport ExceptionInfo *CloneExceptionInfo(ExceptionInfo *exception)
{
ExceptionInfo
*clone_exception;
clone_exception=(ExceptionInfo *) AcquireMagickMemory(sizeof(*exception));
if (clone_exception == (ExceptionInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
GetExceptionInfo(clone_exception);
InheritException(clone_exception,exception);
exception->relinquish=MagickTrue;
return(exception);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e T i m e r I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireTimerInfo() initializes the TimerInfo structure. It effectively
% creates a stopwatch and starts it.
%
% The format of the AcquireTimerInfo method is:
%
% TimerInfo *AcquireTimerInfo(void)
%
*/
MagickExport TimerInfo *AcquireTimerInfo(void)
{
TimerInfo
*timer_info;
timer_info=(TimerInfo *) AcquireMagickMemory(sizeof(*timer_info));
if (timer_info == (TimerInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"UnableToAcquireString");
(void) ResetMagickMemory(timer_info,0,sizeof(*timer_info));
timer_info->signature=MagickSignature;
GetTimerInfo(timer_info);
return(timer_info);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% N e w P i x e l I t e r a t o r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% NewPixelIterator() returns a new pixel iterator.
%
% The format of the NewPixelIterator method is:
%
% PixelIterator *NewPixelIterator(MagickWand *wand)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
*/
WandExport PixelIterator *NewPixelIterator(MagickWand *wand)
{
const char
*quantum;
Image
*image;
PixelIterator
*iterator;
size_t
depth;
CacheView
*view;
depth=MAGICKCORE_QUANTUM_DEPTH;
quantum=GetMagickQuantumDepth(&depth);
if (depth != MAGICKCORE_QUANTUM_DEPTH)
ThrowWandFatalException(WandError,"QuantumDepthMismatch",quantum);
assert(wand != (MagickWand *) NULL);
image=GetImageFromMagickWand(wand);
if (image == (Image *) NULL)
return((PixelIterator *) NULL);
view=AcquireCacheView(image);
if (view == (CacheView *) NULL)
return((PixelIterator *) NULL);
iterator=(PixelIterator *) AcquireMagickMemory(sizeof(*iterator));
if (iterator == (PixelIterator *) NULL)
ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
GetExceptionMessage(errno));
(void) ResetMagickMemory(iterator,0,sizeof(*iterator));
iterator->id=AcquireWandId();
(void) FormatMagickString(iterator->name,MaxTextExtent,"%s-%.20g",
PixelIteratorId,(double) iterator->id);
iterator->exception=AcquireExceptionInfo();
iterator->view=view;
SetGeometry(image,&iterator->region);
iterator->region.width=image->columns;
iterator->region.height=image->rows;
iterator->region.x=0;
iterator->region.y=0;
iterator->pixel_wands=NewPixelWands(iterator->region.width);
iterator->y=0;
iterator->debug=IsEventLogging();
if (iterator->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name);
iterator->signature=WandSignature;
return(iterator);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e S c r i p t T o k e n I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireScriptTokenInfo() allocated, initializes and opens the given
% file stream from which tokens are to be extracted.
%
% The format of the AcquireScriptTokenInfo method is:
%
% ScriptTokenInfo *AcquireScriptTokenInfo(char *filename)
%
% A description of each parameter follows:
%
% o filename the filename to open ("-" means stdin)
%
*/
WandExport ScriptTokenInfo *AcquireScriptTokenInfo(char *filename)
{
ScriptTokenInfo
*token_info;
token_info=(ScriptTokenInfo *) AcquireMagickMemory(sizeof(*token_info));
if (token_info == (ScriptTokenInfo *) NULL)
return token_info;
(void) ResetMagickMemory(token_info,0,sizeof(*token_info));
token_info->opened=MagickFalse;
if ( LocaleCompare(filename,"-") == 0 ) {
token_info->stream=stdin;
token_info->opened=MagickFalse;
}
else if ( LocaleNCompare(filename,"fd:",3) == 0 ) {
token_info->stream=fdopen(StringToLong(filename+3),"r");
token_info->opened=MagickFalse;
}
else {
token_info->stream=fopen_utf8(filename, "r");
}
if ( token_info->stream == (FILE *)NULL ) {
token_info=(ScriptTokenInfo *) RelinquishMagickMemory(token_info);
return(token_info);
}
token_info->curr_line=1;
token_info->length=INITAL_TOKEN_LENGTH;
token_info->token=(char *) AcquireMagickMemory(token_info->length);
token_info->status=(token_info->token != (char *)NULL)
? TokenStatusOK : TokenStatusMemoryFailed;
token_info->signature=WandSignature;
return token_info;
}
void Magick::Options::strokeDashArray(const double *strokeDashArray_)
{
_drawInfo->dash_pattern=(double *) RelinquishMagickMemory(
_drawInfo->dash_pattern);
if(strokeDashArray_)
{
size_t
x;
// Count elements in dash array
for (x=0; strokeDashArray_[x]; x++) ;
// Allocate elements
_drawInfo->dash_pattern=static_cast<double*>(AcquireMagickMemory((x+1)*
sizeof(double)));
// Copy elements
memcpy(_drawInfo->dash_pattern,strokeDashArray_,(x+1)*sizeof(double));
}
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% C l o n e I m a g e V i e w %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% CloneImageView() makes a copy of the specified image view.
%
% The format of the CloneImageView method is:
%
% ImageView *CloneImageView(const ImageView *image_view)
%
% A description of each parameter follows:
%
% o image_view: the image view.
%
*/
MagickExport ImageView *CloneImageView(const ImageView *image_view)
{
ImageView
*clone_view;
assert(image_view != (ImageView *) NULL);
assert(image_view->signature == MagickSignature);
clone_view=(ImageView *) AcquireMagickMemory(sizeof(*clone_view));
if (clone_view == (ImageView *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
(void) ResetMagickMemory(clone_view,0,sizeof(*clone_view));
clone_view->description=ConstantString(image_view->description);
clone_view->extent=image_view->extent;
clone_view->view=CloneCacheView(image_view->view);
clone_view->exception=AcquireExceptionInfo();
InheritException(clone_view->exception,image_view->exception);
clone_view->debug=image_view->debug;
clone_view->signature=MagickSignature;
return(clone_view);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% T h r o w E x c e p t i o n %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ThrowException() throws an exception with the specified severity code,
% reason, and optional description.
%
% The format of the ThrowException method is:
%
% MagickBooleanType ThrowException(ExceptionInfo *exception,
% const ExceptionType severity,const char *reason,
% const char *description)
%
% A description of each parameter follows:
%
% o exception: the exception info.
%
% o severity: the severity of the exception.
%
% o reason: the reason for the exception.
%
% o description: the exception description.
%
*/
MagickExport MagickBooleanType ThrowException(ExceptionInfo *exception,
const ExceptionType severity,const char *reason,const char *description)
{
register ExceptionInfo
*p;
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
LockSemaphoreInfo(exception->semaphore);
p=(ExceptionInfo *) GetLastValueInLinkedList((LinkedListInfo *)
exception->exceptions);
if ((p != (ExceptionInfo *) NULL) && (p->severity == severity) &&
(LocaleCompare(exception->reason,reason) == 0) &&
(LocaleCompare(exception->description,description) == 0))
{
UnlockSemaphoreInfo(exception->semaphore);
return(MagickTrue);
}
p=(ExceptionInfo *) AcquireMagickMemory(sizeof(*p));
if (p == (ExceptionInfo *) NULL)
{
UnlockSemaphoreInfo(exception->semaphore);
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
}
(void) ResetMagickMemory(p,0,sizeof(*p));
p->severity=severity;
if (reason != (const char *) NULL)
p->reason=ConstantString(reason);
if (description != (const char *) NULL)
p->description=ConstantString(description);
p->signature=MagickSignature;
(void) AppendValueToLinkedList((LinkedListInfo *) exception->exceptions,p);
if (p->severity >= exception->severity)
{
exception->severity=p->severity;
exception->reason=p->reason;
exception->description=p->description;
}
UnlockSemaphoreInfo(exception->semaphore);
return(MagickTrue);
}
MagickExport QuantumInfo *AcquireQuantumInfo(const ImageInfo *image_info,
Image *image)
{
MagickBooleanType
status;
QuantumInfo
*quantum_info;
quantum_info=(QuantumInfo *) AcquireMagickMemory(sizeof(*quantum_info));
if (quantum_info == (QuantumInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
quantum_info->signature=MagickSignature;
GetQuantumInfo(image_info,quantum_info);
if (image == (const Image *) NULL)
return(quantum_info);
status=SetQuantumDepth(image,quantum_info,image->depth);
if (status == MagickFalse)
quantum_info=DestroyQuantumInfo(quantum_info);
return(quantum_info);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% N e w M a g i c k W a n d %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% NewMagickWand() returns a wand required for all other methods in the API.
%
% The format of the NewMagickWand method is:
%
% MagickWand *NewMagickWand(void)
%
*/
WandExport MagickWand *NewMagickWand(void)
{
const char
*quantum;
MagickWand
*wand;
unsigned long
depth;
depth=QuantumDepth;
quantum=GetMagickQuantumDepth(&depth);
if (depth != QuantumDepth)
ThrowWandFatalException(WandError,"QuantumDepthMismatch",quantum);
wand=(MagickWand *) AcquireMagickMemory(sizeof(*wand));
if (wand == (MagickWand *) NULL)
{
char
*message;
message=GetExceptionMessage(errno);
ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
message);
message=DestroyString(message);
}
(void) ResetMagickMemory(wand,0,sizeof(*wand));
wand->id=AcquireWandId();
(void) FormatMagickString(wand->name,MaxTextExtent,"%s-%lu",MagickWandId,
wand->id);
wand->exception=AcquireExceptionInfo();
wand->image_info=AcquireImageInfo();
wand->quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL);
wand->images=NewImageList();
wand->debug=IsEventLogging();
if (wand->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);
wand->signature=WandSignature;
return(wand);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% C l o n e C a c h e V i e w %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% CloneCacheView() makes an exact copy of the specified cache view.
%
% The format of the CloneCacheView method is:
%
% CacheView *CloneCacheView(const CacheView *cache_view)
%
% A description of each parameter follows:
%
% o cache_view: the cache view.
%
*/
MagickExport CacheView *CloneCacheView(const CacheView *cache_view)
{
CacheView
*clone_view;
assert(cache_view != (CacheView *) NULL);
assert(cache_view->signature == MagickSignature);
if (cache_view->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
cache_view->image->filename);
clone_view=(CacheView *) AcquireMagickMemory(sizeof(*clone_view));
if (clone_view == (CacheView *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
(void) ResetMagickMemory(clone_view,0,sizeof(*clone_view));
clone_view->image=ReferenceImage(cache_view->image);
clone_view->number_threads=cache_view->number_threads;
clone_view->nexus_info=AcquirePixelCacheNexus(cache_view->number_threads);
clone_view->virtual_pixel_method=cache_view->virtual_pixel_method;
clone_view->debug=cache_view->debug;
clone_view->signature=MagickSignature;
return(clone_view);
}
void Magick::Options::strokeDashArray(const double *strokeDashArray_)
{
_drawInfo->dash_pattern=(double *) RelinquishMagickMemory(
_drawInfo->dash_pattern);
if(strokeDashArray_)
{
size_t
x;
// Count elements in dash array
for (x=0; strokeDashArray_[x]; x++) ;
// Allocate elements
_drawInfo->dash_pattern=static_cast<double*>(AcquireMagickMemory((x+1)*
sizeof(double)));
if (!_drawInfo->dash_pattern)
throwExceptionExplicit(MagickCore::ResourceLimitError,
"Unable to allocate dash-pattern memory");
// Copy elements
memcpy(_drawInfo->dash_pattern,strokeDashArray_,(x+1)*sizeof(double));
_drawInfo->dash_pattern[x]=0.0;
}
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% C l o n e M o n t a g e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% CloneMontageInfo() makes a copy of the given montage info structure. If
% NULL is specified, a new image info structure is created initialized to
% default values.
%
% The format of the CloneMontageInfo method is:
%
% MontageInfo *CloneMontageInfo(const ImageInfo *image_info,
% const MontageInfo *montage_info)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o montage_info: the montage info.
%
*/
MagickExport MontageInfo *CloneMontageInfo(const ImageInfo *image_info,
const MontageInfo *montage_info)
{
MontageInfo
*clone_info;
clone_info=(MontageInfo *) AcquireMagickMemory(sizeof(*clone_info));
if (clone_info == (MontageInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
GetMontageInfo(image_info,clone_info);
if (montage_info == (MontageInfo *) NULL)
return(clone_info);
if (montage_info->geometry != (char *) NULL)
clone_info->geometry=AcquireString(montage_info->geometry);
if (montage_info->tile != (char *) NULL)
clone_info->tile=AcquireString(montage_info->tile);
if (montage_info->title != (char *) NULL)
clone_info->title=AcquireString(montage_info->title);
if (montage_info->frame != (char *) NULL)
clone_info->frame=AcquireString(montage_info->frame);
if (montage_info->texture != (char *) NULL)
clone_info->texture=AcquireString(montage_info->texture);
if (montage_info->font != (char *) NULL)
clone_info->font=AcquireString(montage_info->font);
clone_info->pointsize=montage_info->pointsize;
clone_info->border_width=montage_info->border_width;
clone_info->shadow=montage_info->shadow;
clone_info->fill=montage_info->fill;
clone_info->stroke=montage_info->stroke;
clone_info->background_color=montage_info->background_color;
clone_info->border_color=montage_info->border_color;
clone_info->matte_color=montage_info->matte_color;
clone_info->gravity=montage_info->gravity;
(void) CopyMagickString(clone_info->filename,montage_info->filename,
MagickPathExtent);
clone_info->debug=IsEventLogging();
return(clone_info);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% N e w I m a g e V i e w %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% NewImageView() returns a image view required for all other methods in the
% Image View API.
%
% The format of the NewImageView method is:
%
% ImageView *NewImageView(MagickCore *wand,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport ImageView *NewImageView(Image *image,ExceptionInfo *exception)
{
ImageView
*image_view;
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
image_view=(ImageView *) AcquireMagickMemory(sizeof(*image_view));
if (image_view == (ImageView *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
(void) ResetMagickMemory(image_view,0,sizeof(*image_view));
image_view->description=ConstantString("ImageView");
image_view->image=image;
image_view->view=AcquireVirtualCacheView(image_view->image,exception);
image_view->extent.width=image->columns;
image_view->extent.height=image->rows;
image_view->extent.x=0;
image_view->extent.y=0;
image_view->exception=AcquireExceptionInfo();
image_view->debug=IsEventLogging();
image_view->signature=MagickSignature;
return(image_view);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% N e w W a n d V i e w E x t e n t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% NewWandViewExtent() returns a wand view required for all other methods
% in the Wand View API.
%
% The format of the NewWandViewExtent method is:
%
% WandView *NewWandViewExtent(MagickWand *wand,const ssize_t x,
% const ssize_t y,const size_t width,const size_t height)
%
% A description of each parameter follows:
%
% o wand: the magick wand.
%
% o x,y,columns,rows: These values define the perimeter of a extent of
% pixel_wands view.
%
*/
WandExport WandView *NewWandViewExtent(MagickWand *wand,const ssize_t x,
const ssize_t y,const size_t width,const size_t height)
{
ExceptionInfo
*exception;
WandView
*wand_view;
assert(wand != (MagickWand *) NULL);
assert(wand->signature == WandSignature);
wand_view=(WandView *) AcquireMagickMemory(sizeof(*wand_view));
if (wand_view == (WandView *) NULL)
ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
GetExceptionMessage(errno));
(void) ResetMagickMemory(wand_view,0,sizeof(*wand_view));
wand_view->id=AcquireWandId();
(void) FormatLocaleString(wand_view->name,MaxTextExtent,"%s-%.20g",
WandViewId,(double) wand_view->id);
wand_view->description=ConstantString("WandView");
exception=AcquireExceptionInfo();
wand_view->view=AcquireVirtualCacheView(wand_view->wand->images,exception);
wand_view->wand=wand;
wand_view->extent.width=width;
wand_view->extent.height=height;
wand_view->extent.x=x;
wand_view->extent.y=y;
wand_view->exception=exception;
wand_view->pixel_wands=AcquirePixelsThreadSet(wand_view->extent.width);
if (wand_view->pixel_wands == (PixelWand ***) NULL)
ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
GetExceptionMessage(errno));
wand_view->debug=IsEventLogging();
wand_view->signature=WandSignature;
return(wand_view);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% C l o n e W a n d V i e w %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% CloneWandView() makes a copy of the specified wand view.
%
% The format of the CloneWandView method is:
%
% WandView *CloneWandView(const WandView *wand_view)
%
% A description of each parameter follows:
%
% o wand_view: the wand view.
%
*/
WandExport WandView *CloneWandView(const WandView *wand_view)
{
WandView
*clone_view;
register ssize_t
i;
assert(wand_view != (WandView *) NULL);
assert(wand_view->signature == WandSignature);
if (wand_view->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand_view->name);
clone_view=(WandView *) AcquireMagickMemory(sizeof(*clone_view));
if (clone_view == (WandView *) NULL)
ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
wand_view->name);
(void) ResetMagickMemory(clone_view,0,sizeof(*clone_view));
clone_view->id=AcquireWandId();
(void) FormatLocaleString(clone_view->name,MaxTextExtent,"%s-%.20g",
WandViewId,(double) clone_view->id);
clone_view->description=ConstantString(wand_view->description);
clone_view->image=CloneImage(wand_view->image,0,0,MagickTrue,
wand_view->exception);
clone_view->view=CloneCacheView(wand_view->view);
clone_view->extent=wand_view->extent;
clone_view->exception=AcquireExceptionInfo();
InheritException(clone_view->exception,wand_view->exception);
for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
clone_view->pixel_wands[i]=ClonePixelWands((const PixelWand **)
wand_view->pixel_wands[i],wand_view->extent.width);
clone_view->debug=wand_view->debug;
if (clone_view->debug != MagickFalse)
(void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_view->name);
clone_view->signature=WandSignature;
return(clone_view);
}