diff --git a/coders/dpx.c b/coders/dpx.c
new file mode 100644
index 0000000..bb84e2e
--- /dev/null
+++ b/coders/dpx.c
@@ -0,0 +1,1908 @@
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
+% DDDD PPPP X X %
+% D D P P X X %
+% D D PPPP XXX %
+% D D P X X %
+% DDDD P X X %
+% %
+% %
+% Read/Write SMTPE DPX Image Format %
+% %
+% Software Design %
+% John Cristy %
+% March 2001 %
+% %
+% %
+% Copyright 1999-2008 ImageMagick Studio LLC, a non-profit organization %
+% dedicated to making software imaging solutions freely available. %
+% %
+% You may not use this file except in compliance with the License. You may %
+% obtain a copy of the License at %
+% %
+% http://www.imagemagick.org/script/license.php %
+% %
+% Unless required by applicable law or agreed to in writing, software %
+% distributed under the License is distributed on an "AS IS" BASIS, %
+% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
+% See the License for the specific language governing permissions and %
+% limitations under the License. %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+%
+*/
+
+/*
+ Include declarations.
+*/
+#include "magick/studio.h"
+#include "magick/blob.h"
+#include "magick/blob-private.h"
+#include "magick/cache.h"
+#include "magick/colorspace.h"
+#include "magick/exception.h"
+#include "magick/exception-private.h"
+#include "magick/geometry.h"
+#include "magick/image.h"
+#include "magick/image-private.h"
+#include "magick/list.h"
+#include "magick/magick.h"
+#include "magick/memory_.h"
+#include "magick/monitor.h"
+#include "magick/monitor-private.h"
+#include "magick/option.h"
+#include "magick/profile.h"
+#include "magick/property.h"
+#include "magick/quantum-private.h"
+#include "magick/static.h"
+#include "magick/string_.h"
+#include "magick/module.h"
+#include "magick/module.h"
+
+/*
+ Typedef declaration.
+*/
+typedef enum
+{
+ UserDefinedColorimetric = 0,
+ PrintingDensityColorimetric = 1,
+ LinearColorimetric = 2,
+ LogarithmicColorimetric = 3,
+ UnspecifiedVideoColorimetric = 4,
+ SMTPE_274MColorimetric = 5,
+ ITU_R709Colorimetric = 6,
+ ITU_R601_625LColorimetric = 7,
+ ITU_R601_525LColorimetric = 8,
+ NTSCCompositeVideoColorimetric = 9,
+ PALCompositeVideoColorimetric = 10,
+ ZDepthLinearColorimetric = 11,
+ DepthHomogeneousColorimetric = 12
+} DPXColorimetric;
+
+typedef enum
+{
+ UndefinedComponentType = 0,
+ RedComponentType = 1,
+ GreenComponentType = 2,
+ BlueComponentType = 3,
+ AlphaComponentType = 4,
+ LumaComponentType = 6,
+ ColorDifferenceCbCrComponentType = 7,
+ DepthComponentType = 8,
+ CompositeVideoComponentType = 9,
+ RGBComponentType = 50,
+ RGBAComponentType = 51,
+ ABGRComponentType = 52,
+ CbYCrY422ComponentType = 100,
+ CbYACrYA4224ComponentType = 101,
+ CbYCr444ComponentType = 102,
+ CbYCrA4444ComponentType = 103,
+ UserDef2ElementComponentType = 150,
+ UserDef3ElementComponentType = 151,
+ UserDef4ElementComponentType = 152,
+ UserDef5ElementComponentType = 153,
+ UserDef6ElementComponentType = 154,
+ UserDef7ElementComponentType = 155,
+ UserDef8ElementComponentType = 156
+} DPXComponentType;
+
+typedef struct _DPXFileInfo
+{
+ unsigned int
+ magic,
+ image_offset;
+
+ char
+ version[8];
+
+ unsigned int
+ file_size,
+ ditto_key,
+ generic_size,
+ industry_size,
+ user_size;
+
+ char
+ filename[100],
+ timestamp[24],
+ creator[100],
+ project[200],
+ copyright[200];
+
+ unsigned int
+ encrypt_key;
+
+ char
+ reserve[104];
+} DPXFileInfo;
+
+typedef struct _DPXFilmInfo
+{
+ char
+ id[2],
+ type[2],
+ offset[2],
+ prefix[6],
+ count[4],
+ format[32];
+
+ unsigned int
+ frame_position,
+ sequence_extent,
+ held_count;
+
+ float
+ frame_rate,
+ shutter_angle;
+
+ char
+ frame_id[32],
+ slate[100],
+ reserve[56];
+} DPXFilmInfo;
+
+typedef struct _DPXImageElement
+{
+ unsigned int
+ data_sign,
+ low_data;
+
+ float
+ low_quantity;
+
+ unsigned int
+ high_data;
+
+ float
+ high_quantity;
+
+ unsigned char
+ descriptor,
+ transfer,
+ colorimetric,
+ bit_size;
+
+ unsigned short
+ packing,
+ encoding;
+
+ unsigned int
+ data_offset,
+ end_of_line_padding,
+ end_of_image_padding;
+
+ unsigned char
+ description[32];
+} DPXImageElement;
+
+typedef struct _DPXImageInfo
+{
+ unsigned short
+ orientation,
+ number_elements;
+
+ unsigned int
+ pixels_per_line,
+ lines_per_element;
+
+ DPXImageElement
+ image_element[8];
+
+ unsigned char
+ reserve[52];
+} DPXImageInfo;
+
+typedef struct _DPXOrientationInfo
+{
+ unsigned int
+ x_offset,
+ y_offset;
+
+ float
+ x_center,
+ y_center;
+
+ unsigned int
+ x_size,
+ y_size;
+
+ char
+ filename[100],
+ timestamp[24],
+ device[32],
+ serial[32];
+
+ unsigned short
+ border[4];
+
+ unsigned int
+ aspect_ratio[2];
+
+ unsigned char
+ reserve[28];
+} DPXOrientationInfo;
+
+typedef struct _DPXTelevisionInfo
+{
+ unsigned int
+ time_code,
+ user_bits;
+
+ unsigned char
+ interlace,
+ field_number,
+ video_signal,
+ padding;
+
+ float
+ horizontal_sample_rate,
+ vertical_sample_rate,
+ frame_rate,
+ time_offset,
+ gamma,
+ black_level,
+ black_gain,
+ break_point,
+ white_level,
+ integration_times;
+
+ char
+ reserve[76];
+} DPXTelevisionInfo;
+
+typedef struct _DPXUserInfo
+{
+ char
+ id[32];
+} DPXUserInfo;
+
+typedef struct DPXInfo
+{
+ DPXFileInfo
+ file;
+
+ DPXImageInfo
+ image;
+
+ DPXOrientationInfo
+ orientation;
+
+ DPXFilmInfo
+ film;
+
+ DPXTelevisionInfo
+ television;
+
+ DPXUserInfo
+ user;
+} DPXInfo;
+
+/*
+ Forward declaractions.
+*/
+static MagickBooleanType
+ WriteDPXImage(const ImageInfo *,Image *);
+
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
+% I s D P X %
+% %
+% %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% IsDPX() returns MagickTrue if the image format type, identified by the
+% magick string, is DPX.
+%
+% The format of the IsDPX method is:
+%
+% MagickBooleanType IsDPX(const unsigned char *magick,const size_t extent)
+%
+% A description of each parameter follows:
+%
+% o magick: compare image format pattern against these bytes.
+%
+% o extent: Specifies the extent of the magick string.
+%
+*/
+static MagickBooleanType IsDPX(const unsigned char *magick,const size_t extent)
+{
+ if (extent < 4)
+ return(MagickFalse);
+ if (memcmp(magick,"SDPX",4) == 0)
+ return(MagickTrue);
+ if (memcmp(magick,"XPDS",4) == 0)
+ return(MagickTrue);
+ return(MagickFalse);
+}
+
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
+% R e a d D P X I m a g e %
+% %
+% %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% ReadDPXImage() reads an DPX X 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 ReadDPXImage method is:
+%
+% Image *ReadDPXImage(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 size_t GetBytesPerRow(unsigned long columns,
+ unsigned long samples_per_pixel,unsigned long bits_per_pixel,
+ MagickBooleanType pad)
+{
+ size_t
+ bytes_per_row;
+
+ switch (bits_per_pixel)
+ {
+ case 1:
+ {
+ bytes_per_row=4*(((size_t) samples_per_pixel*columns*
+ bits_per_pixel+31)/32);
+ break;
+ }
+ case 8:
+ default:
+ {
+ bytes_per_row=4*(((size_t) samples_per_pixel*columns*
+ bits_per_pixel+31)/32);
+ break;
+ }
+ case 10:
+ {
+ if (pad == MagickFalse)
+ {
+ bytes_per_row=4*(((size_t) samples_per_pixel*columns*
+ bits_per_pixel+31)/32);
+ break;
+ }
+ bytes_per_row=4*(((size_t) (32*((samples_per_pixel*columns)/3))+31)/32);
+ break;
+ }
+ case 12:
+ {
+ if (pad == MagickFalse)
+ {
+ bytes_per_row=4*(((size_t) samples_per_pixel*columns*
+ bits_per_pixel+31)/32);
+ break;
+ }
+ bytes_per_row=2*(((size_t) (16*samples_per_pixel*columns)+15)/16);
+ break;
+ }
+ case 16:
+ {
+ bytes_per_row=2*(((size_t) samples_per_pixel*columns*
+ bits_per_pixel+8)/16);
+ break;
+ }
+ case 32:
+ {
+ bytes_per_row=4*(((size_t) samples_per_pixel*columns*
+ bits_per_pixel+31)/32);
+ break;
+ }
+ case 64:
+ {
+ bytes_per_row=8*(((size_t) samples_per_pixel*columns*
+ bits_per_pixel+63)/64);
+ break;
+ }
+ }
+ return(bytes_per_row);
+}
+
+static inline MagickBooleanType IsFloatDefined(const float value)
+{
+ union
+ {
+ unsigned int
+ unsigned_value;
+
+ float
+ float_value;
+ } quantum;
+
+ quantum.unsigned_value=0U;
+ quantum.float_value=(double) value;
+ if (quantum.unsigned_value == 0U)
+ return(MagickFalse);
+ return(MagickTrue);
+}
+
+static void SetPrimaryChromaticity(const DPXColorimetric colorimetric,
+ ChromaticityInfo *chromaticity_info)
+{
+ switch(colorimetric)
+ {
+ case SMTPE_274MColorimetric:
+ case ITU_R709Colorimetric:
+ {
+ chromaticity_info->red_primary.x=0.640;
+ chromaticity_info->red_primary.y=0.330;
+ chromaticity_info->red_primary.z=0.030;
+ chromaticity_info->green_primary.x=0.300;
+ chromaticity_info->green_primary.y=0.600;
+ chromaticity_info->green_primary.z=0.100;
+ chromaticity_info->blue_primary.x=0.150;
+ chromaticity_info->blue_primary.y=0.060;
+ chromaticity_info->blue_primary.z=0.790;
+ chromaticity_info->white_point.x=0.3127;
+ chromaticity_info->white_point.y=0.3290;
+ chromaticity_info->white_point.z=0.3582;
+ break;
+ }
+ case NTSCCompositeVideoColorimetric:
+ {
+ chromaticity_info->red_primary.x=0.67;
+ chromaticity_info->red_primary.y=0.33;
+ chromaticity_info->red_primary.z=0.00;
+ chromaticity_info->green_primary.x=0.21;
+ chromaticity_info->green_primary.y=0.71;
+ chromaticity_info->green_primary.z=0.08;
+ chromaticity_info->blue_primary.x=0.14;
+ chromaticity_info->blue_primary.y=0.08;
+ chromaticity_info->blue_primary.z=0.78;
+ chromaticity_info->white_point.x=0.310;
+ chromaticity_info->white_point.y=0.316;
+ chromaticity_info->white_point.z=0.374;
+ break;
+ }
+ case PALCompositeVideoColorimetric:
+ {
+ chromaticity_info->red_primary.x=0.640;
+ chromaticity_info->red_primary.y=0.330;
+ chromaticity_info->red_primary.z=0.030;
+ chromaticity_info->green_primary.x=0.290;
+ chromaticity_info->green_primary.y=0.600;
+ chromaticity_info->green_primary.z=0.110;
+ chromaticity_info->blue_primary.x=0.150;
+ chromaticity_info->blue_primary.y=0.060;
+ chromaticity_info->blue_primary.z=0.790;
+ chromaticity_info->white_point.x=0.3127;
+ chromaticity_info->white_point.y=0.3290;
+ chromaticity_info->white_point.z=0.3582;
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+static void TimeCodeToString(const unsigned long timestamp,char *code)
+{
+#define TimeFields 7
+
+ unsigned int
+ shift;
+
+ register long
+ i;
+
+ *code='\0';
+ shift=4*TimeFields;
+ for (i=0; i <= TimeFields; i++)
+ {
+ (void) FormatMagickString(code,MaxTextExtent-strlen(code),"%x",
+ (unsigned int) ((timestamp >> shift) & 0x0fU));
+ code++;
+ if (((i % 2) != 0) && (i < TimeFields))
+ *code++=':';
+ shift-=4;
+ *code='\0';
+ }
+}
+
+static Image *ReadDPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
+{
+ char
+ magick[4],
+ value[MaxTextExtent];
+
+ DPXInfo
+ dpx;
+
+ Image
+ *image;
+
+ long
+ y;
+
+ MagickBooleanType
+ status;
+
+ MagickOffsetType
+ offset;
+
+ QuantumType
+ quantum_type;
+
+ register long
+ i;
+
+ register PixelPacket
+ *q;
+
+ ssize_t
+ count;
+
+ size_t
+ extent;
+
+ unsigned char
+ component_type;
+
+ unsigned long
+ samples_per_pixel;
+
+ /*
+ 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 DPX file header.
+ */
+ offset=0;
+ count=ReadBlob(image,4,(unsigned char *) magick);
+ offset+=count;
+ if ((count != 4) || ((LocaleNCompare(magick,"SDPX",4) != 0) &&
+ (LocaleNCompare((char *) magick,"XPDS",4) != 0)))
+ ThrowReaderException(CorruptImageError,"ImproperImageHeader");
+ image->endian=LSBEndian;
+ if (LocaleNCompare(magick,"SDPX",4) == 0)
+ image->endian=MSBEndian;
+ (void) ResetMagickMemory(&dpx,0,sizeof(dpx));
+ dpx.file.image_offset=ReadBlobLong(image);
+ offset+=4;
+ offset+=ReadBlob(image,sizeof(dpx.file.version),(unsigned char *)
+ dpx.file.version);
+ (void) FormatImageProperty(image,"dpx:file.version","%.8s",dpx.file.version);
+ dpx.file.file_size=ReadBlobLong(image);
+ offset+=4;
+ dpx.file.ditto_key=ReadBlobLong(image);
+ offset+=4;
+ if (dpx.file.ditto_key != ~0U)
+ (void) FormatImageProperty(image,"dpx:file.ditto.key","%u",
+ dpx.file.ditto_key);
+ dpx.file.generic_size=ReadBlobLong(image);
+ offset+=4;
+ dpx.file.industry_size=ReadBlobLong(image);
+ offset+=4;
+ dpx.file.user_size=ReadBlobLong(image);
+ offset+=4;
+ offset+=ReadBlob(image,sizeof(dpx.file.filename),(unsigned char *)
+ dpx.file.filename);
+ (void) FormatImageProperty(image,"dpx:file.filename","%.100s",
+ dpx.file.filename);
+ (void) FormatImageProperty(image,"document","%.100s",dpx.file.filename);
+ offset+=ReadBlob(image,sizeof(dpx.file.timestamp),(unsigned char *)
+ dpx.file.timestamp);
+ if (*dpx.file.timestamp != '\0')
+ (void) FormatImageProperty(image,"dpx:file.timestamp","%.24s",
+ dpx.file.timestamp);
+ offset+=ReadBlob(image,sizeof(dpx.file.creator),(unsigned char *)
+ dpx.file.creator);
+ if (*dpx.file.creator != '\0')
+ {
+ (void) FormatImageProperty(image,"dpx:file.creator","%.100s",
+ dpx.file.creator);
+ (void) FormatImageProperty(image,"software","%.100s",dpx.file.creator);
+ }
+ offset+=ReadBlob(image,sizeof(dpx.file.project),(unsigned char *)
+ dpx.file.project);
+ if (*dpx.file.project != '\0')
+ {
+ (void) FormatImageProperty(image,"dpx:file.project","%.200s",
+ dpx.file.project);
+ (void) FormatImageProperty(image,"comment","%.100s",dpx.file.project);
+ }
+ offset+=ReadBlob(image,sizeof(dpx.file.copyright),(unsigned char *)
+ dpx.file.copyright);
+ if (*dpx.file.copyright != '\0')
+ {
+ (void) FormatImageProperty(image,"dpx:file.copyright","%.200s",
+ dpx.file.copyright);
+ (void) FormatImageProperty(image,"copyright","%.100s",
+ dpx.file.copyright);
+ }
+ dpx.file.encrypt_key=ReadBlobLong(image);
+ offset+=4;
+ if (dpx.file.encrypt_key != ~0U)
+ (void) FormatImageProperty(image,"dpx:file.encrypt_key","%u",
+ dpx.file.encrypt_key);
+ offset+=ReadBlob(image,sizeof(dpx.file.reserve),(unsigned char *)
+ dpx.file.reserve);
+ /*
+ Read DPX image header.
+ */
+ dpx.image.orientation=ReadBlobShort(image);
+ offset+=2;
+ if (dpx.image.orientation != (unsigned short) (~0U))
+ (void) FormatImageProperty(image,"dpx:image.orientation","%d",
+ dpx.image.orientation);
+ switch (dpx.image.orientation)
+ {
+ default:
+ case 0: image->orientation=TopLeftOrientation; break;
+ case 1: image->orientation=TopRightOrientation; break;
+ case 2: image->orientation=BottomLeftOrientation; break;
+ case 3: image->orientation=BottomRightOrientation; break;
+ case 4: image->orientation=LeftTopOrientation; break;
+ case 5: image->orientation=RightTopOrientation; break;
+ case 6: image->orientation=LeftBottomOrientation; break;
+ case 7: image->orientation=RightBottomOrientation; break;
+ }
+ dpx.image.number_elements=ReadBlobShort(image);
+ offset+=2;
+ dpx.image.pixels_per_line=ReadBlobLong(image);
+ offset+=4;
+ image->columns=dpx.image.pixels_per_line;
+ dpx.image.lines_per_element=ReadBlobLong(image);
+ offset+=4;
+ image->rows=dpx.image.lines_per_element;
+ for (i=0; i < 8; i++)
+ {
+ dpx.image.image_element[i].data_sign=ReadBlobLong(image);
+ offset+=4;
+ dpx.image.image_element[i].low_data=ReadBlobLong(image);
+ offset+=4;
+ dpx.image.image_element[i].low_quantity=ReadBlobFloat(image);
+ offset+=4;
+ dpx.image.image_element[i].high_data=ReadBlobLong(image);
+ offset+=4;
+ dpx.image.image_element[i].high_quantity=ReadBlobFloat(image);
+ offset+=4;
+ dpx.image.image_element[i].descriptor=(unsigned char) ReadBlobByte(image);
+ offset++;
+ dpx.image.image_element[i].transfer=(unsigned char) ReadBlobByte(image);
+ offset++;
+ dpx.image.image_element[i].colorimetric=(unsigned char) ReadBlobByte(image);
+ offset++;
+ dpx.image.image_element[i].bit_size=(unsigned char) ReadBlobByte(image);
+ offset++;
+ dpx.image.image_element[i].packing=ReadBlobShort(image);
+ offset+=2;
+ dpx.image.image_element[i].encoding=ReadBlobShort(image);
+ offset+=2;
+ dpx.image.image_element[i].data_offset=ReadBlobLong(image);
+ offset+=4;
+ dpx.image.image_element[i].end_of_line_padding=ReadBlobLong(image);
+ offset+=4;
+ dpx.image.image_element[i].end_of_image_padding=ReadBlobLong(image);
+ offset+=4;
+ offset+=ReadBlob(image,sizeof(dpx.image.image_element[i].description),
+ (unsigned char *) dpx.image.image_element[i].description);
+ }
+ SetPrimaryChromaticity((DPXColorimetric)
+ dpx.image.image_element[0].colorimetric,&image->chromaticity);
+ offset+=ReadBlob(image,sizeof(dpx.image.reserve),(unsigned char *)
+ dpx.image.reserve);
+ component_type=dpx.image.image_element[0].descriptor;
+ image->depth=dpx.image.image_element[0].bit_size;
+ if (dpx.file.image_offset >= 1664U)
+ {
+ /*
+ Read DPX orientation header.
+ */
+ dpx.orientation.x_offset=ReadBlobLong(image);
+ offset+=4;
+ if (dpx.orientation.x_offset != ~0U)
+ (void) FormatImageProperty(image,"dpx:orientation.x_offset","%u",
+ dpx.orientation.x_offset);
+ dpx.orientation.y_offset=ReadBlobLong(image);
+ offset+=4;
+ if (dpx.orientation.y_offset != ~0U)
+ (void) FormatImageProperty(image,"dpx:orientation.y_offset","%u",
+ dpx.orientation.y_offset);
+ dpx.orientation.x_center=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.orientation.x_center) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:orientation.x_center","%g",
+ dpx.orientation.x_center);
+ dpx.orientation.y_center=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.orientation.y_center) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:orientation.y_center","%g",
+ dpx.orientation.y_center);
+ dpx.orientation.x_size=ReadBlobLong(image);
+ offset+=4;
+ if (dpx.orientation.x_size != ~0U)
+ (void) FormatImageProperty(image,"dpx:orientation.x_size","%u",
+ dpx.orientation.x_size);
+ dpx.orientation.y_size=ReadBlobLong(image);
+ offset+=4;
+ if (dpx.orientation.y_size != ~0U)
+ (void) FormatImageProperty(image,"dpx:orientation.y_size","%u",
+ dpx.orientation.y_size);
+ offset+=ReadBlob(image,sizeof(dpx.orientation.filename),(unsigned char *)
+ dpx.orientation.filename);
+ if (*dpx.orientation.filename != '\0')
+ (void) FormatImageProperty(image,"dpx:orientation.filename","%.100s",
+ dpx.orientation.filename);
+ offset+=ReadBlob(image,sizeof(dpx.orientation.timestamp),(unsigned char *)
+ dpx.orientation.timestamp);
+ if (*dpx.orientation.timestamp != '\0')
+ (void) FormatImageProperty(image,"dpx:orientation.timestamp","%.24s",
+ dpx.orientation.timestamp);
+ offset+=ReadBlob(image,sizeof(dpx.orientation.device),(unsigned char *)
+ dpx.orientation.device);
+ if (*dpx.orientation.device != '\0')
+ (void) FormatImageProperty(image,"dpx:orientation.device","%.32s",
+ dpx.orientation.device);
+ offset+=ReadBlob(image,sizeof(dpx.orientation.serial),(unsigned char *)
+ dpx.orientation.serial);
+ if (*dpx.orientation.serial != '\0')
+ (void) FormatImageProperty(image,"dpx:orientation.serial","%.32s",
+ dpx.orientation.serial);
+ for (i=0; i < 4; i++)
+ {
+ dpx.orientation.border[i]=ReadBlobShort(image);
+ offset+=2;
+ }
+ if ((dpx.orientation.border[0] != (unsigned short) (~0U)) &&
+ (dpx.orientation.border[1] != (unsigned short) (~0U)))
+ (void) FormatImageProperty(image,"dpx:orientation.border","%dx%d%+d%+d", dpx.orientation.border[0],dpx.orientation.border[1],
+ dpx.orientation.border[2],dpx.orientation.border[3]);
+ for (i=0; i < 2; i++)
+ {
+ dpx.orientation.aspect_ratio[i]=ReadBlobLong(image);
+ offset+=4;
+ }
+ if ((dpx.orientation.aspect_ratio[0] != ~0U) &&
+ (dpx.orientation.aspect_ratio[1] != ~0U))
+ (void) FormatImageProperty(image,"dpx:orientation.aspect_ratio",
+ "%ux%u",dpx.orientation.aspect_ratio[0],
+ dpx.orientation.aspect_ratio[1]);
+ offset+=ReadBlob(image,sizeof(dpx.orientation.reserve),(unsigned char *)
+ dpx.orientation.reserve);
+ }
+ if (dpx.file.image_offset >= 1920U)
+ {
+ /*
+ Read DPX film header.
+ */
+ offset+=ReadBlob(image,sizeof(dpx.film.id),(unsigned char *) dpx.film.id);
+ if (*dpx.film.type != '\0')
+ (void) FormatImageProperty(image,"dpx:film.id","%.2s",dpx.film.id);
+ offset+=ReadBlob(image,sizeof(dpx.film.type),(unsigned char *)
+ dpx.film.type);
+ if (*dpx.film.type != '\0')
+ (void) FormatImageProperty(image,"dpx:film.type","%.2s",dpx.film.type);
+ offset+=ReadBlob(image,sizeof(dpx.film.offset),(unsigned char *)
+ dpx.film.offset);
+ if (*dpx.film.offset != '\0')
+ (void) FormatImageProperty(image,"dpx:film.offset","%.2s",
+ dpx.film.offset);
+ offset+=ReadBlob(image,sizeof(dpx.film.prefix),(unsigned char *)
+ dpx.film.prefix);
+ if (*dpx.film.prefix != '\0')
+ (void) FormatImageProperty(image,"dpx:film.prefix","%.6s",
+ dpx.film.prefix);
+ offset+=ReadBlob(image,sizeof(dpx.film.count),(unsigned char *)
+ dpx.film.count);
+ if (*dpx.film.count != '\0')
+ (void) FormatImageProperty(image,"dpx:film.count","%.4s",
+ dpx.film.count);
+ offset+=ReadBlob(image,sizeof(dpx.film.format),(unsigned char *)
+ dpx.film.format);
+ if (*dpx.film.format != '\0')
+ (void) FormatImageProperty(image,"dpx:film.format","%.4s",
+ dpx.film.format);
+ dpx.film.frame_position=ReadBlobLong(image);
+ offset+=4;
+ if (dpx.film.frame_position != ~0U)
+ (void) FormatImageProperty(image,"dpx:film.frame_position","%u",
+ dpx.film.frame_position);
+ dpx.film.sequence_extent=ReadBlobLong(image);
+ offset+=4;
+ if (dpx.film.sequence_extent != ~0U)
+ (void) FormatImageProperty(image,"dpx:film.sequence_extent","%u",
+ dpx.film.sequence_extent);
+ dpx.film.held_count=ReadBlobLong(image);
+ offset+=4;
+ if (dpx.film.held_count != ~0U)
+ (void) FormatImageProperty(image,"dpx:film.held_count","%u",
+ dpx.film.held_count);
+ dpx.film.frame_rate=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.film.frame_rate) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:film.frame_rate","%g",
+ dpx.film.frame_rate);
+ dpx.film.shutter_angle=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.film.shutter_angle) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:film.shutter_angle","%g",
+ dpx.film.shutter_angle);
+ offset+=ReadBlob(image,sizeof(dpx.film.frame_id),(unsigned char *)
+ dpx.film.frame_id);
+ if (*dpx.film.frame_id != '\0')
+ (void) FormatImageProperty(image,"dpx:film.frame_id","%.32s",
+ dpx.film.frame_id);
+ offset+=ReadBlob(image,sizeof(dpx.film.slate),(unsigned char *)
+ dpx.film.slate);
+ if (*dpx.film.slate != '\0')
+ (void) FormatImageProperty(image,"dpx:film.slate","%.100s",
+ dpx.film.slate);
+ offset+=ReadBlob(image,sizeof(dpx.film.reserve),(unsigned char *)
+ dpx.film.reserve);
+ }
+ if (dpx.file.image_offset >= 2048U)
+ {
+ /*
+ Read DPX television header.
+ */
+ dpx.television.time_code=(unsigned int) ReadBlobLong(image);
+ offset+=4;
+ TimeCodeToString(dpx.television.time_code,value);
+ (void) SetImageProperty(image,"dpx:television.time.code",value);
+ dpx.television.user_bits=(unsigned int) ReadBlobLong(image);
+ offset+=4;
+ TimeCodeToString(dpx.television.user_bits,value);
+ (void) SetImageProperty(image,"dpx:television.user.bits",value);
+ dpx.television.interlace=(unsigned char) ReadBlobByte(image);
+ offset++;
+ if (dpx.television.interlace != 0)
+ (void) FormatImageProperty(image,"dpx:television.interlace","%ld",(long)
+ dpx.television.interlace);
+ dpx.television.field_number=(unsigned char) ReadBlobByte(image);
+ offset++;
+ if (dpx.television.field_number != 0)
+ (void) FormatImageProperty(image,"dpx:television.field_number","%ld",
+ (long) dpx.television.field_number);
+ dpx.television.video_signal=(unsigned char) ReadBlobByte(image);
+ offset++;
+ if (dpx.television.video_signal != 0)
+ (void) FormatImageProperty(image,"dpx:television.video_signal","%ld",
+ (long) dpx.television.video_signal);
+ dpx.television.padding=(unsigned char) ReadBlobByte(image);
+ offset++;
+ if (dpx.television.padding != 0)
+ (void) FormatImageProperty(image,"dpx:television.padding","%d",
+ dpx.television.padding);
+ dpx.television.horizontal_sample_rate=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.television.horizontal_sample_rate) != MagickFalse)
+ (void) FormatImageProperty(image,
+ "dpx:television.horizontal_sample_rate","%g",
+ dpx.television.horizontal_sample_rate);
+ dpx.television.vertical_sample_rate=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.television.vertical_sample_rate) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:television.vertical_sample_rate",
+ "%g",dpx.television.vertical_sample_rate);
+ dpx.television.frame_rate=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.television.frame_rate) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:television.frame_rate","%g",
+ dpx.television.frame_rate);
+ dpx.television.time_offset=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.television.time_offset) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:television.time_offset","%g",
+ dpx.television.time_offset);
+ dpx.television.gamma=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.television.gamma) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:television.gamma","%g",
+ dpx.television.gamma);
+ dpx.television.black_level=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.television.black_level) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:television.black_level","%g",
+ dpx.television.black_level);
+ dpx.television.black_gain=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.television.black_gain) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:television.black_gain","%g",
+ dpx.television.black_gain);
+ dpx.television.break_point=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.television.break_point) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:television.break_point","%g",
+ dpx.television.break_point);
+ dpx.television.white_level=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.television.white_level) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:television.white_level","%g",
+ dpx.television.white_level);
+ dpx.television.integration_times=ReadBlobFloat(image);
+ offset+=4;
+ if (IsFloatDefined(dpx.television.integration_times) != MagickFalse)
+ (void) FormatImageProperty(image,"dpx:television.integration_times",
+ "%g",dpx.television.integration_times);
+ offset+=ReadBlob(image,sizeof(dpx.television.reserve),(unsigned char *)
+ dpx.television.reserve);
+ }
+ if (dpx.file.image_offset > 2080U)
+ {
+ /*
+ Read DPX user header.
+ */
+ offset+=ReadBlob(image,sizeof(dpx.user.id),(unsigned char *) dpx.user.id);
+ if (*dpx.user.id != '\0')
+ (void) FormatImageProperty(image,"dpx:user.id","%.32s",dpx.user.id);
+ if ((dpx.file.user_size != ~0U) &&
+ ((size_t) dpx.file.user_size > sizeof(dpx.user.id)))
+ {
+ StringInfo
+ *profile;
+
+ profile=AcquireStringInfo(dpx.file.user_size-sizeof(dpx.user.id));
+ offset+=ReadBlob(image,GetStringInfoLength(profile),
+ GetStringInfoDatum(profile));
+ (void) SetImageProfile(image,"dpx:user.data",profile);
+ profile=DestroyStringInfo(profile);
+ }
+ }
+ for ( ; offset < (long) dpx.file.image_offset; offset++)
+ (void) ReadBlobByte(image);
+ /*
+ Read DPX image header.
+ */
+ if (image_info->ping != MagickFalse)
+ {
+ (void) CloseBlob(image);
+ return(GetFirstImageInList(image));
+ }
+ /*
+ Convert DPX raster image to pixel packets.
+ */
+ samples_per_pixel=1;
+ quantum_type=GrayQuantum;
+ switch (component_type)
+ {
+ case CbYCrY422ComponentType:
+ {
+ samples_per_pixel=2;
+ quantum_type=CbYCrYQuantum;
+ break;
+ }
+ case CbYACrYA4224ComponentType:
+ case CbYCr444ComponentType:
+ {
+ samples_per_pixel=3;
+ quantum_type=CbYCrQuantum;
+ break;
+ }
+ case RGBComponentType:
+ {
+ samples_per_pixel=3;
+ quantum_type=RGBQuantum;
+ break;
+ }
+ case ABGRComponentType:
+ case RGBAComponentType:
+ {
+ image->matte=MagickTrue;
+ samples_per_pixel=4;
+ quantum_type=RGBAQuantum;
+ break;
+ }
+ default:
+ break;
+ }
+ switch (component_type)
+ {
+ case CbYCrY422ComponentType:
+ case CbYACrYA4224ComponentType:
+ case CbYCr444ComponentType:
+ {
+ image->colorspace=Rec709YCbCrColorspace;
+ break;
+ }
+ case LumaComponentType:
+ {
+ image->colorspace=RGBColorspace;
+ break;
+ }
+ default:
+ {
+ image->colorspace=RGBColorspace;
+ if (dpx.image.image_element[0].transfer == LogarithmicColorimetric)
+ image->colorspace=LogColorspace;
+ if (dpx.image.image_element[0].transfer == PrintingDensityColorimetric)
+ image->colorspace=LogColorspace;
+ break;
+ }
+ }
+ extent=GetBytesPerRow(image->columns,samples_per_pixel,image->depth,
+ dpx.image.image_element[0].packing == 0 ? MagickFalse : MagickTrue);
+ if ((quantum_type == GrayQuantum) &&
+ (dpx.image.image_element[0].packing != 0) && (image->depth == 10) &&
+ (image->endian == MSBEndian))
+ {
+ QuantumAny
+ range;
+
+ QuantumInfo
+ *quantum_info;
+
+ register long
+ x;
+
+ unsigned char
+ *pixels;
+
+ unsigned long
+ pixel;
+
+ quantum_info=AcquireQuantumInfo(image_info,image);
+ if (quantum_info == (QuantumInfo *) NULL)
+ ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
+ SetQuantumQuantum(quantum_info,32);
+ SetQuantumPack(quantum_info,dpx.image.image_element[0].packing == 0 ?
+ MagickTrue : MagickFalse);
+ pixels=GetQuantumPixels(quantum_info);
+ pixel=0U;
+ i=0;
+ range=GetQuantumRange(image->depth);
+ for (y=0; y < (long) image->rows; y++)
+ {
+ q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
+ if (q == (PixelPacket *) NULL)
+ break;
+ for (x=0; x < (long) image->columns; x++)
+ {
+ switch (i++ % 3)
+ {
+ case 0:
+ {
+ pixel=ReadBlobMSBLong(image);
+ q->red=ScaleAnyToQuantum((pixel >> 0) & 0x3ff,range);
+ break;
+ }
+ case 1:
+ {
+ q->red=ScaleAnyToQuantum((pixel >> 10) & 0x3ff,range);
+ break;
+ }
+ case 2:
+ {
+ q->red=ScaleAnyToQuantum((pixel >> 20) & 0x3ff,range);
+ break;
+ }
+ }
+ q->green=q->red;
+ q->blue=q->red;
+ q++;
+ }
+ if (SyncAuthenticPixels(image,exception) == MagickFalse)
+ break;
+ status=SetImageProgress(image,LoadImageTag,y,image->rows);
+ if (status == MagickFalse)
+ break;
+ }
+ quantum_info=DestroyQuantumInfo(quantum_info);
+ }
+ else
+ {
+ long
+ row;
+
+ QuantumInfo
+ *quantum_info;
+
+ CacheView
+ *image_view;
+
+ /*
+ DPX any-bit pixel format.
+ */
+ status=MagickTrue;
+ row=0;
+ quantum_info=AcquireQuantumInfo(image_info,image);
+ if (quantum_info == (QuantumInfo *) NULL)
+ ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
+ SetQuantumQuantum(quantum_info,32);
+ SetQuantumPack(quantum_info,dpx.image.image_element[0].packing == 0 ?
+ MagickTrue : MagickFalse);
+ image_view=AcquireCacheView(image);
+#if defined(MAGICKCORE_OPENMP_SUPPORT) && (_OPENMP >= 200805)
+ #pragma omp parallel for schedule(dynamic,1) shared(row,status,quantum_type)
+#endif
+ for (y=0; y < (long) image->rows; y++)
+ {
+ long
+ offset;
+
+ MagickBooleanType
+ sync;
+
+ register PixelPacket
+ *q;
+
+ ssize_t
+ count;
+
+ size_t
+ length;
+
+ unsigned char
+ *pixels;
+
+ if (status == MagickFalse)
+ continue;
+ pixels=GetQuantumPixels(quantum_info);
+#if defined(MAGICKCORE_OPENMP_SUPPORT) && (_OPENMP > 200505)
+ #pragma omp critical (MagickCore_ReadDPXImage)
+#endif
+ {
+ count=ReadBlob(image,extent,pixels);
+ if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
+ (image->previous == (Image *) NULL))
+ {
+ MagickBooleanType
+ proceed;
+
+ proceed=SetImageProgress(image,LoadImageTag,row,image->rows);
+ if (proceed == MagickFalse)
+ status=MagickFalse;
+ }
+ offset=row++;
+ }
+ if (count != (ssize_t) extent)
+ status=MagickFalse;
+ q=QueueCacheViewAuthenticPixels(image_view,0,offset,image->columns,1,
+ exception);
+ if (q == (PixelPacket *) NULL)
+ {
+ status=MagickFalse;
+ continue;
+ }
+ length=ImportQuantumPixels(image,image_view,quantum_info,quantum_type,
+ pixels,exception);
+ sync=SyncCacheViewAuthenticPixels(image_view,exception);
+ if (sync == MagickFalse)
+ status=MagickFalse;
+ }
+ image_view=DestroyCacheView(image_view);
+ quantum_info=DestroyQuantumInfo(quantum_info);
+ if (status == MagickFalse)
+ ThrowReaderException(CorruptImageError,"UnableToReadImageData");
+ }
+ SetQuantumImageType(image,quantum_type);
+ if (EOFBlob(image) != MagickFalse)
+ ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
+ image->filename);
+ (void) CloseBlob(image);
+ return(GetFirstImageInList(image));
+}
+
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
+% R e g i s t e r D P X I m a g e %
+% %
+% %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% RegisterDPXImage() adds properties for the DPX image format to
+% the list of supported formats. The properties include the image format
+% tag, a method to read and/or write the format, whether the format
+% supports the saving of more than one frame to the same file or blob,
+% whether the format supports native in-memory I/O, and a brief
+% description of the format.
+%
+% The format of the RegisterDPXImage method is:
+%
+% unsigned long RegisterDPXImage(void)
+%
+*/
+ModuleExport unsigned long RegisterDPXImage(void)
+{
+ MagickInfo
+ *entry;
+
+ static const char
+ *DPXNote =
+ {
+ "Digital Moving Picture Exchange Bitmap, Version 2.0.\n"
+ "See SMPTE 268M-2003 specification at http://www.smtpe.org\n"
+ };
+
+ entry=SetMagickInfo("DPX");
+ entry->decoder=(DecodeImageHandler *) ReadDPXImage;
+ entry->encoder=(EncodeImageHandler *) WriteDPXImage;
+ entry->magick=(IsImageFormatHandler *) IsDPX;
+ entry->adjoin=MagickFalse;
+ entry->description=ConstantString("SMPTE 268M-2003 (DPX 2.0)");
+ entry->note=ConstantString(DPXNote);
+ entry->module=ConstantString("DPX");
+ (void) RegisterMagickInfo(entry);
+ return(MagickImageCoderSignature);
+}
+
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
+% U n r e g i s t e r D P X I m a g e %
+% %
+% %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% UnregisterDPXImage() removes format registrations made by the
+% DPX module from the list of supported formats.
+%
+% The format of the UnregisterDPXImage method is:
+%
+% UnregisterDPXImage(void)
+%
+*/
+ModuleExport void UnregisterDPXImage(void)
+{
+ (void) UnregisterMagickInfo("DPX");
+}
+
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
+% W r i t e D P X I m a g e %
+% %
+% %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% WriteDPXImage() writes an image in DPX encoded image format.
+%
+% The format of the WriteDPXImage method is:
+%
+% MagickBooleanType WriteDPXImage(const ImageInfo *image_info,Image *image)
+%
+% A description of each parameter follows.
+%
+% o image_info: the image info.
+%
+% o image: The image.
+%
+*/
+
+static inline const char *GetDPXProperty(const ImageInfo *image_info,
+ const Image *image,const char *property)
+{
+ const char
+ *value;
+
+ value=GetImageOption(image_info,property);
+ if (value != (const char *) NULL)
+ return(value);
+ return(GetImageProperty(image,property));
+}
+
+static unsigned int StringToTimeCode(const char *key)
+{
+ char
+ buffer[2];
+
+ register long
+ i;
+
+ unsigned int
+ shift,
+ value;
+
+ value=0;
+ shift=28;
+ buffer[1]='\0';
+ for (i=0; (*key != 0) && (i < 11); i++)
+ {
+ if (isxdigit((int) ((unsigned char) *key)) == 0)
+ {
+ key++;
+ continue;
+ }
+ buffer[0]=(*key++);
+ value|=(unsigned int) ((strtol(buffer,(char **) NULL,16)) << shift);
+ shift-=4;
+ }
+ return(value);
+}
+
+static MagickBooleanType WriteDPXImage(const ImageInfo *image_info,Image *image)
+{
+ const char
+ *value;
+
+ const StringInfo
+ *profile;
+
+ DPXInfo
+ dpx;
+
+ long
+ horizontal_factor,
+ vertical_factor,
+ y;
+
+ MagickBooleanType
+ status;
+
+ MagickOffsetType
+ offset;
+
+ MagickStatusType
+ flags;
+
+ GeometryInfo
+ geometry_info;
+
+ QuantumInfo
+ *quantum_info;
+
+ QuantumType
+ quantum_type;
+
+ register const PixelPacket
+ *p;
+
+ register long
+ i;
+
+ size_t
+ extent;
+
+ ssize_t
+ count;
+
+ time_t
+ seconds;
+
+ unsigned char
+ *pixels;
+
+ /*
+ Open output image file.
+ */
+ 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->filename);
+ horizontal_factor=4;
+ vertical_factor=4;
+ if (image_info->sampling_factor != (char *) NULL)
+ {
+ GeometryInfo
+ geometry_info;
+
+ MagickStatusType
+ flags;
+
+ flags=ParseGeometry(image_info->sampling_factor,&geometry_info);
+ horizontal_factor=(long) geometry_info.rho;
+ vertical_factor=(long) geometry_info.sigma;
+ if ((flags & SigmaValue) == 0)
+ vertical_factor=horizontal_factor;
+ if ((horizontal_factor != 1) && (horizontal_factor != 2) &&
+ (horizontal_factor != 4) && (vertical_factor != 1) &&
+ (vertical_factor != 2) && (vertical_factor != 4))
+ ThrowWriterException(CorruptImageError,"UnexpectedSamplingFactor");
+ }
+ if ((image->colorspace == YCbCrColorspace) &&
+ ((horizontal_factor == 2) || (vertical_factor == 2)))
+ if ((image->columns % 2) != 0)
+ image->columns++;
+ status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
+ if (status == MagickFalse)
+ return(status);
+ /*
+ Write file header.
+ */
+ (void) ResetMagickMemory(&dpx,0,sizeof(dpx));
+ offset=0;
+ dpx.file.magic=0x53445058U;
+ offset+=WriteBlobLong(image,dpx.file.magic);
+ dpx.file.image_offset=0x2000U;
+ profile=GetImageProfile(image,"dpx:user.data");
+ if (profile != (StringInfo *) NULL)
+ {
+ dpx.file.image_offset+=(unsigned int) GetStringInfoLength(profile);
+ dpx.file.image_offset=(((dpx.file.image_offset+0x2000-1)/0x2000)*0x2000);
+ }
+ offset+=WriteBlobLong(image,dpx.file.image_offset);
+ (void) strncpy(dpx.file.version,"V2.0",sizeof(dpx.file.version));
+ offset+=WriteBlob(image,8,(unsigned char *) &dpx.file.version);
+ dpx.file.file_size=(unsigned int) (4U*image->columns*image->rows+
+ dpx.file.image_offset);
+ offset+=WriteBlobLong(image,dpx.file.file_size);
+ dpx.file.ditto_key=1U; /* new frame */
+ offset+=WriteBlobLong(image,dpx.file.ditto_key);
+ dpx.file.generic_size=0x00000680U;
+ offset+=WriteBlobLong(image,dpx.file.generic_size);
+ dpx.file.industry_size=0x00000180U;
+ offset+=WriteBlobLong(image,dpx.file.industry_size);
+ dpx.file.user_size=0;
+ if (profile != (StringInfo *) NULL)
+ {
+ dpx.file.user_size+=(unsigned int) GetStringInfoLength(profile);
+ dpx.file.user_size=(((dpx.file.user_size+0x2000-1)/0x2000)*0x2000);
+ }
+ offset+=WriteBlobLong(image,dpx.file.user_size);
+ value=GetDPXProperty(image_info,image,"dpx:file.filename");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.file.filename,value,sizeof(dpx.file.filename));
+ offset+=WriteBlob(image,sizeof(dpx.file.filename),(unsigned char *)
+ dpx.file.filename);
+ seconds=time((time_t *) NULL);
+ (void) FormatMagickTime(seconds,sizeof(dpx.file.timestamp),
+ dpx.file.timestamp);
+ offset+=WriteBlob(image,sizeof(dpx.file.timestamp),(unsigned char *)
+ dpx.file.timestamp);
+ (void) strncpy(dpx.file.creator,GetMagickVersion((unsigned long *) NULL),
+ sizeof(dpx.file.creator));
+ value=GetDPXProperty(image_info,image,"dpx:file.creator");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.file.creator,value,sizeof(dpx.file.creator));
+ offset+=WriteBlob(image,sizeof(dpx.file.creator),(unsigned char *)
+ dpx.file.creator);
+ value=GetDPXProperty(image_info,image,"dpx:file.project");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.file.project,value,sizeof(dpx.file.project));
+ offset+=WriteBlob(image,sizeof(dpx.file.project),(unsigned char *)
+ dpx.file.project);
+ value=GetDPXProperty(image_info,image,"dpx:file.copyright");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.file.copyright,value,
+ sizeof(dpx.file.copyright));
+ offset+=WriteBlob(image,sizeof(dpx.file.copyright),(unsigned char *)
+ dpx.file.copyright);
+ dpx.file.encrypt_key=(~0U);
+ offset+=WriteBlobLong(image,dpx.file.encrypt_key);
+ offset+=WriteBlob(image,sizeof(dpx.file.reserve),(unsigned char *)
+ dpx.file.reserve);
+ /*
+ Write image header.
+ */
+ dpx.image.orientation=0x00; /* left-to-right; top-to-bottom */
+ offset+=WriteBlobShort(image,dpx.image.orientation);
+ dpx.image.number_elements=1;
+ offset+=WriteBlobShort(image,dpx.image.number_elements);
+ if ((image->columns != (unsigned int) image->columns) ||
+ (image->rows != (unsigned int) image->rows))
+ ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
+ offset+=WriteBlobLong(image,(unsigned int) image->columns);
+ offset+=WriteBlobLong(image,(unsigned int) image->rows);
+ for (i=0; i < 8; i++)
+ {
+ dpx.image.image_element[i].data_sign=0U;
+ offset+=WriteBlobLong(image,dpx.image.image_element[i].data_sign);
+ dpx.image.image_element[i].low_data=0U;
+ offset+=WriteBlobLong(image,dpx.image.image_element[i].low_data);
+ dpx.image.image_element[i].low_quantity=0.0f;
+ offset+=WriteBlobFloat(image,dpx.image.image_element[i].low_quantity);
+ dpx.image.image_element[i].high_data=0U;
+ offset+=WriteBlobLong(image,dpx.image.image_element[i].high_data);
+ dpx.image.image_element[i].high_quantity=0.0f;
+ offset+=WriteBlobFloat(image,dpx.image.image_element[i].high_quantity);
+ dpx.image.image_element[i].descriptor=0;
+ if (i == 0)
+ switch (image->colorspace)
+ {
+ case Rec601YCbCrColorspace:
+ case Rec709YCbCrColorspace:
+ case YCbCrColorspace:
+ {
+ dpx.image.image_element[i].descriptor=CbYCr444ComponentType;
+ if (image->matte != MagickFalse)
+ dpx.image.image_element[i].descriptor=CbYCrA4444ComponentType;
+ break;
+ }
+ default:
+ {
+ dpx.image.image_element[i].descriptor=RGBComponentType;
+ if (image->matte != MagickFalse)
+ dpx.image.image_element[i].descriptor=RGBAComponentType;
+ break;
+ }
+ }
+ offset+=WriteBlobByte(image,dpx.image.image_element[i].descriptor);
+ dpx.image.image_element[i].transfer=0;
+ if (image->colorspace == LogColorspace)
+ dpx.image.image_element[0].transfer=PrintingDensityColorimetric;
+ offset+=WriteBlobByte(image,dpx.image.image_element[i].transfer);
+ dpx.image.image_element[i].colorimetric=0;
+ offset+=WriteBlobByte(image,dpx.image.image_element[i].colorimetric);
+ dpx.image.image_element[i].bit_size=0;
+ if (i == 0)
+ dpx.image.image_element[i].bit_size=(unsigned char) image->depth;
+ offset+=WriteBlobByte(image,dpx.image.image_element[i].bit_size);
+ dpx.image.image_element[i].packing=0;
+ if ((image->depth == 10) || (image->depth == 12))
+ dpx.image.image_element[i].packing=1;
+ offset+=WriteBlobShort(image,dpx.image.image_element[i].packing);
+ dpx.image.image_element[i].encoding=0;
+ offset+=WriteBlobShort(image,dpx.image.image_element[i].encoding);
+ dpx.image.image_element[i].data_offset=0U;
+ if (i == 0)
+ dpx.image.image_element[i].data_offset=dpx.file.image_offset;
+ offset+=WriteBlobLong(image,dpx.image.image_element[i].data_offset);
+ dpx.image.image_element[i].end_of_line_padding=0U;
+ offset+=WriteBlobLong(image,dpx.image.image_element[i].end_of_line_padding);
+ offset+=WriteBlobLong(image,
+ dpx.image.image_element[i].end_of_image_padding);
+ offset+=WriteBlob(image,sizeof(dpx.image.image_element[i].description),
+ (unsigned char *) dpx.image.image_element[i].description);
+ }
+ offset+=WriteBlob(image,sizeof(dpx.image.reserve),(unsigned char *)
+ dpx.image.reserve);
+ /*
+ Write orientation header.
+ */
+ if ((image->rows != image->magick_rows) ||
+ (image->columns != image->magick_columns))
+ {
+ /*
+ These properties are not valid if image size changed.
+ */
+ (void) DeleteImageProperty(image,"dpx:orientation.x_offset");
+ (void) DeleteImageProperty(image,"dpx:orientation.y_offset");
+ (void) DeleteImageProperty(image,"dpx:orientation.x_center");
+ (void) DeleteImageProperty(image,"dpx:orientation.y_center");
+ (void) DeleteImageProperty(image,"dpx:orientation.x_size");
+ (void) DeleteImageProperty(image,"dpx:orientation.y_size");
+ }
+ dpx.orientation.x_offset=0U;
+ value=GetDPXProperty(image_info,image,"dpx:orientation.x_offset");
+ if (value != (const char *) NULL)
+ dpx.orientation.x_offset=(unsigned int) atoi(value);
+ offset+=WriteBlobLong(image,dpx.orientation.x_offset);
+ dpx.orientation.y_offset=0U;
+ value=GetDPXProperty(image_info,image,"dpx:orientation.y_offset");
+ if (value != (const char *) NULL)
+ dpx.orientation.y_offset=(unsigned int) atoi(value);
+ offset+=WriteBlobLong(image,dpx.orientation.y_offset);
+ dpx.orientation.x_center=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:orientation.x_center");
+ if (value != (const char *) NULL)
+ dpx.orientation.x_center=atof(value);
+ offset+=WriteBlobFloat(image,dpx.orientation.x_center);
+ dpx.orientation.y_center=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:orientation.y_center");
+ if (value != (const char *) NULL)
+ dpx.orientation.y_center=atof(value);
+ offset+=WriteBlobFloat(image,dpx.orientation.y_center);
+ dpx.orientation.x_size=0U;
+ value=GetDPXProperty(image_info,image,"dpx:orientation.x_size");
+ if (value != (const char *) NULL)
+ dpx.orientation.x_size=(unsigned int) atoi(value);
+ offset+=WriteBlobLong(image,dpx.orientation.x_size);
+ dpx.orientation.y_size=0U;
+ value=GetDPXProperty(image_info,image,"dpx:orientation.y_size");
+ if (value != (const char *) NULL)
+ dpx.orientation.y_size=(unsigned int) atoi(value);
+ offset+=WriteBlobLong(image,dpx.orientation.y_size);
+ value=GetDPXProperty(image_info,image,"dpx:orientation.filename");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.orientation.filename,value,
+ sizeof(dpx.orientation.filename));
+ offset+=WriteBlob(image,sizeof(dpx.orientation.filename),(unsigned char *)
+ dpx.orientation.filename);
+ offset+=WriteBlob(image,sizeof(dpx.orientation.timestamp),(unsigned char *)
+ dpx.orientation.timestamp);
+ value=GetDPXProperty(image_info,image,"dpx:orientation.device");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.orientation.device,value,
+ sizeof(dpx.orientation.device));
+ offset+=WriteBlob(image,sizeof(dpx.orientation.device),(unsigned char *)
+ dpx.orientation.device);
+ offset+=WriteBlob(image,sizeof(dpx.orientation.serial),(unsigned char *)
+ dpx.orientation.serial);
+ for (i=0; i < 4; i++)
+ dpx.orientation.border[i]=0;
+ value=GetDPXProperty(image_info,image,"dpx:orientation.border");
+ if (value != (const char *) NULL)
+ {
+ flags=ParseGeometry(value,&geometry_info);
+ if ((flags & SigmaValue) == 0)
+ geometry_info.sigma=geometry_info.rho;
+ dpx.orientation.border[0]=(unsigned short) (geometry_info.rho+0.5);
+ dpx.orientation.border[1]=(unsigned short) (geometry_info.sigma+0.5);
+ dpx.orientation.border[2]=(unsigned short) (geometry_info.xi+0.5);
+ dpx.orientation.border[3]=(unsigned short) (geometry_info.psi+0.5);
+ }
+ for (i=0; i < 4; i++)
+ offset+=WriteBlobShort(image,dpx.orientation.border[i]);
+ for (i=0; i < 2; i++)
+ dpx.orientation.aspect_ratio[i]=0U;
+ value=GetDPXProperty(image_info,image,"dpx:orientation.aspect_ratio");
+ if (value != (const char *) NULL)
+ {
+ flags=ParseGeometry(value,&geometry_info);
+ if ((flags & SigmaValue) == 0)
+ geometry_info.sigma=geometry_info.rho;
+ dpx.orientation.aspect_ratio[0]=(unsigned int) (geometry_info.rho+0.5);
+ dpx.orientation.aspect_ratio[1]=(unsigned int) (geometry_info.sigma+0.5);
+ }
+ for (i=0; i < 2; i++)
+ offset+=WriteBlobLong(image,dpx.orientation.aspect_ratio[i]);
+ offset+=WriteBlob(image,sizeof(dpx.orientation.reserve),(unsigned char *)
+ dpx.orientation.reserve);
+ /*
+ Write film header.
+ */
+ *dpx.film.id='\0';
+ value=GetDPXProperty(image_info,image,"dpx:film.id");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.film.id,value,sizeof(dpx.film.id));
+ offset+=WriteBlob(image,sizeof(dpx.film.id),(unsigned char *) dpx.film.id);
+ *dpx.film.type='\0';
+ value=GetDPXProperty(image_info,image,"dpx:film.type");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.film.type,value,sizeof(dpx.film.type));
+ offset+=WriteBlob(image,sizeof(dpx.film.type),(unsigned char *)
+ dpx.film.type);
+ *dpx.film.offset='\0';
+ value=GetDPXProperty(image_info,image,"dpx:film.offset");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.film.offset,value,sizeof(dpx.film.offset));
+ offset+=WriteBlob(image,sizeof(dpx.film.offset),(unsigned char *)
+ dpx.film.offset);
+ *dpx.film.prefix='\0';
+ value=GetDPXProperty(image_info,image,"dpx:film.prefix");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.film.prefix,value,sizeof(dpx.film.prefix));
+ offset+=WriteBlob(image,sizeof(dpx.film.prefix),(unsigned char *)
+ dpx.film.prefix);
+ *dpx.film.count='\0';
+ value=GetDPXProperty(image_info,image,"dpx:film.count");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.film.count,value,sizeof(dpx.film.count));
+ offset+=WriteBlob(image,sizeof(dpx.film.count),(unsigned char *)
+ dpx.film.count);
+ *dpx.film.format='\0';
+ value=GetDPXProperty(image_info,image,"dpx:film.format");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.film.format,value,sizeof(dpx.film.format));
+ offset+=WriteBlob(image,sizeof(dpx.film.format),(unsigned char *)
+ dpx.film.format);
+ dpx.film.frame_position=0U;
+ value=GetDPXProperty(image_info,image,"dpx:film.frame_position");
+ if (value != (const char *) NULL)
+ dpx.film.frame_position=(unsigned int) atoi(value);
+ offset+=WriteBlobLong(image,dpx.film.frame_position);
+ dpx.film.sequence_extent=0U;
+ value=GetDPXProperty(image_info,image,"dpx:film.sequence_extent");
+ if (value != (const char *) NULL)
+ dpx.film.sequence_extent=(unsigned int) atoi(value);
+ offset+=WriteBlobLong(image,dpx.film.sequence_extent);
+ dpx.film.held_count=0U;
+ value=GetDPXProperty(image_info,image,"dpx:film.held_count");
+ if (value != (const char *) NULL)
+ dpx.film.held_count=(unsigned int) atoi(value);
+ offset+=WriteBlobLong(image,dpx.film.held_count);
+ dpx.film.frame_rate=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:film.frame_rate");
+ if (value != (const char *) NULL)
+ dpx.film.frame_rate=atof(value);
+ offset+=WriteBlobFloat(image,dpx.film.frame_rate);
+ dpx.film.shutter_angle=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:film.shutter_angle");
+ if (value != (const char *) NULL)
+ dpx.film.shutter_angle=atof(value);
+ offset+=WriteBlobFloat(image,dpx.film.shutter_angle);
+ *dpx.film.frame_id='\0';
+ value=GetDPXProperty(image_info,image,"dpx:film.frame_id");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.film.frame_id,value,sizeof(dpx.film.frame_id));
+ offset+=WriteBlob(image,sizeof(dpx.film.frame_id),(unsigned char *)
+ dpx.film.frame_id);
+ value=GetDPXProperty(image_info,image,"dpx:film.slate");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.film.slate,value,sizeof(dpx.film.slate));
+ offset+=WriteBlob(image,sizeof(dpx.film.slate),(unsigned char *)
+ dpx.film.slate);
+ offset+=WriteBlob(image,sizeof(dpx.film.reserve),(unsigned char *)
+ dpx.film.reserve);
+ /*
+ Write television header.
+ */
+ value=GetDPXProperty(image_info,image,"dpx:television.time.code");
+ if (value != (const char *) NULL)
+ dpx.television.time_code=StringToTimeCode(value);
+ offset+=WriteBlobLong(image,dpx.television.time_code);
+ value=GetDPXProperty(image_info,image,"dpx:television.user.bits");
+ if (value != (const char *) NULL)
+ dpx.television.user_bits=StringToTimeCode(value);
+ offset+=WriteBlobLong(image,dpx.television.user_bits);
+ value=GetDPXProperty(image_info,image,"dpx:television.interlace");
+ if (value != (const char *) NULL)
+ dpx.television.interlace=(unsigned char) atoi(value);
+ offset+=WriteBlobByte(image,dpx.television.interlace);
+ value=GetDPXProperty(image_info,image,"dpx:television.field_number");
+ if (value != (const char *) NULL)
+ dpx.television.field_number=(unsigned char) atoi(value);
+ offset+=WriteBlobByte(image,dpx.television.field_number);
+ dpx.television.video_signal=0;
+ value=GetDPXProperty(image_info,image,"dpx:television.video_signal");
+ if (value != (const char *) NULL)
+ dpx.television.video_signal=(unsigned char) atoi(value);
+ offset+=WriteBlobByte(image,dpx.television.video_signal);
+ dpx.television.padding=0;
+ value=GetDPXProperty(image_info,image,"dpx:television.padding");
+ if (value != (const char *) NULL)
+ dpx.television.padding=(unsigned char) atoi(value);
+ offset+=WriteBlobByte(image,dpx.television.padding);
+ dpx.television.horizontal_sample_rate=0.0f;
+ value=GetDPXProperty(image_info,image,
+ "dpx:television.horizontal_sample_rate");
+ if (value != (const char *) NULL)
+ dpx.television.horizontal_sample_rate=atof(value);
+ offset+=WriteBlobFloat(image,dpx.television.horizontal_sample_rate);
+ dpx.television.vertical_sample_rate=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:television.vertical_sample_rate");
+ if (value != (const char *) NULL)
+ dpx.television.vertical_sample_rate=atof(value);
+ offset+=WriteBlobFloat(image,dpx.television.vertical_sample_rate);
+ dpx.television.frame_rate=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:television.frame_rate");
+ if (value != (const char *) NULL)
+ dpx.television.frame_rate=atof(value);
+ offset+=WriteBlobFloat(image,dpx.television.frame_rate);
+ dpx.television.time_offset=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:television.time_offset");
+ if (value != (const char *) NULL)
+ dpx.television.time_offset=atof(value);
+ offset+=WriteBlobFloat(image,dpx.television.time_offset);
+ dpx.television.gamma=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:television.gamma");
+ if (value != (const char *) NULL)
+ dpx.television.gamma=atof(value);
+ offset+=WriteBlobFloat(image,dpx.television.gamma);
+ dpx.television.black_level=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:television.black_level");
+ if (value != (const char *) NULL)
+ dpx.television.black_level=atof(value);
+ offset+=WriteBlobFloat(image,dpx.television.black_level);
+ dpx.television.black_gain=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:television.black_gain");
+ if (value != (const char *) NULL)
+ dpx.television.black_gain=atof(value);
+ offset+=WriteBlobFloat(image,dpx.television.black_gain);
+ dpx.television.break_point=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:television.break_point");
+ if (value != (const char *) NULL)
+ dpx.television.break_point=atof(value);
+ offset+=WriteBlobFloat(image,dpx.television.break_point);
+ dpx.television.white_level=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:television.white_level");
+ if (value != (const char *) NULL)
+ dpx.television.white_level=atof(value);
+ offset+=WriteBlobFloat(image,dpx.television.white_level);
+ dpx.television.integration_times=0.0f;
+ value=GetDPXProperty(image_info,image,"dpx:television.integration_times");
+ if (value != (const char *) NULL)
+ dpx.television.integration_times=atof(value);
+ offset+=WriteBlobFloat(image,dpx.television.integration_times);
+ offset+=WriteBlob(image,sizeof(dpx.television.reserve),(unsigned char *)
+ dpx.television.reserve);
+ /*
+ Write user header.
+ */
+ value=GetDPXProperty(image_info,image,"dpx:user.id");
+ if (value != (const char *) NULL)
+ (void) strncpy(dpx.user.id,value,sizeof(dpx.user.id));
+ offset+=WriteBlob(image,sizeof(dpx.user.id),(unsigned char *) dpx.user.id);
+ if (profile != (StringInfo *) NULL)
+ offset+=WriteBlob(image,GetStringInfoLength(profile),
+ GetStringInfoDatum(profile));
+ while (offset < (MagickOffsetType) dpx.image.image_element[0].data_offset)
+ {
+ count=WriteBlobByte(image,0x00);
+ if (count != 1)
+ {
+ ThrowFileException(&image->exception,FileOpenError,"UnableToWriteFile",
+ image->filename);
+ break;
+ }
+ offset+=count;
+ }
+ /*
+ Convert pixel packets to DPX raster image.
+ */
+ quantum_info=AcquireQuantumInfo(image_info,image);
+ quantum_info->quantum=32;
+ quantum_info->pack=dpx.image.image_element[0].packing == 0 ? MagickTrue :
+ MagickFalse;
+ quantum_type=RGBQuantum;
+ if (image->matte != MagickFalse)
+ quantum_type=RGBAQuantum;
+ if (image->colorspace == YCbCrColorspace)
+ {
+ quantum_type=CbYCrQuantum;
+ if (image->matte != MagickFalse)
+ quantum_type=CbYCrAQuantum;
+ if ((horizontal_factor == 2) || (vertical_factor == 2))
+ quantum_type=CbYCrYQuantum;
+ }
+ extent=GetBytesPerRow(image->columns,image->matte != MagickFalse ? 4UL : 3UL,
+ image->depth,MagickTrue);
+ if (0)
+ {
+ quantum_type=GrayQuantum;
+ extent=GetBytesPerRow(image->columns,image->matte != MagickFalse ?
+ 4UL : 3UL,image->depth,MagickTrue);
+ }
+ pixels=GetQuantumPixels(quantum_info);
+ for (y=0; y < (long) image->rows; y++)
+ {
+ p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+ if (p == (const PixelPacket *) NULL)
+ break;
+ (void) ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info,
+ quantum_type,pixels,&image->exception);
+ count=WriteBlob(image,extent,pixels);
+ if (count != (ssize_t) extent)
+ break;
+ status=SetImageProgress(image,SaveImageTag,y,image->rows);
+ if (status == MagickFalse)
+ break;
+ }
+ quantum_info=DestroyQuantumInfo(quantum_info);
+ (void) CloseBlob(image);
+ return(status);
+}
