% June 2001 %
% %
% %
-% Copyright 1999-2014 ImageMagick Studio LLC, a non-profit organization %
+% Copyright 1999-2015 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 %
#include "MagickCore/option.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/profile.h"
+#include "MagickCore/property.h"
#include "MagickCore/quantum-private.h"
+#include "MagickCore/semaphore.h"
#include "MagickCore/static.h"
#include "MagickCore/statistic.h"
#include "MagickCore/string_.h"
*/
#if defined(MAGICKCORE_LIBOPENJP2_DELEGATE)
static MagickBooleanType
- WriteJP2Image(const ImageInfo *,Image *);
+ WriteJP2Image(const ImageInfo *,Image *,ExceptionInfo *);
#endif
\f
/*
%
% The format of the IsJ2K method is:
%
-% MagickBooleanType IsJP2(const unsigned char *magick,const size_t length)
+% MagickBooleanType IsJ2K(const unsigned char *magick,const size_t length)
%
% A description of each parameter follows:
%
*/
static MagickBooleanType IsJP2(const unsigned char *magick,const size_t length)
{
- if (length < 12)
+ if (length < 4)
return(MagickFalse);
- if (memcmp(magick,"\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a",12) == 0)
+ if (memcmp(magick,"\x0d\x0a\x87\x0a",4) == 0)
return(MagickTrue);
- if (memcmp(magick,"\x0d\x0a\x87\x0a",12) == 0)
- return(MagickTrue);
- return(MagickFalse);
-}
-\f
-/*
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% %
-% %
-% %
-% I s J P C %
-% %
-% %
-% %
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%
-% IsJPC()() returns MagickTrue if the image format type, identified by the
-% magick string, is JPC.
-%
-% The format of the IsJPC method is:
-%
-% MagickBooleanType IsJPC(const unsigned char *magick,const size_t length)
-%
-% A description of each parameter follows:
-%
-% o magick: compare image format pattern against these bytes.
-%
-% o length: Specifies the length of the magick string.
-%
-*/
-static MagickBooleanType IsJPC(const unsigned char *magick,const size_t length)
-{
if (length < 12)
return(MagickFalse);
if (memcmp(magick,"\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a",12) == 0)
return(MagickTrue);
- if (memcmp(magick,"\x0d\x0a\x87\x0a",12) == 0)
- return(MagickTrue);
return(MagickFalse);
}
\f
image=(Image *) context;
count=ReadBlob(image,(ssize_t) length,(unsigned char *) buffer);
if (count == 0)
- return(-1);
+ return((OPJ_SIZE_T) -1);
return((OPJ_SIZE_T) count);
}
*image;
image=(Image *) context;
- return(SeekBlob(image,offset,SEEK_SET) < 0 ? 0 : 1);
+ return(SeekBlob(image,offset,SEEK_SET) < 0 ? OPJ_FALSE : OPJ_TRUE);
}
-static OPJ_OFF_T JP2SkipHandler(OPJ_OFF_T length,void *context)
+static OPJ_OFF_T JP2SkipHandler(OPJ_OFF_T offset,void *context)
{
Image
*image;
image=(Image *) context;
- return(SeekBlob(image,offset,SEEK_CUR) < 0 ? 0 : offset);
+ return(SeekBlob(image,offset,SEEK_CUR) < 0 ? -1 : offset);
}
static void JP2WarningHandler(const char *message,void *client_data)
ssize_t
y;
+ unsigned char
+ sans[4];
+
/*
Open image file.
*/
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
- image=AcquireImage(image_info);
+ image=AcquireImage(image_info,exception);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
/*
Initialize JP2 codec.
*/
+ if (ReadBlob(image,4,sans) != 4)
+ {
+ image=DestroyImageList(image);
+ return((Image *) NULL);
+ }
+ (void) SeekBlob(image,SEEK_SET,0);
if (LocaleCompare(image_info->magick,"JPT") == 0)
jp2_codec=opj_create_decompress(OPJ_CODEC_JPT);
else
- if (LocaleCompare(image_info->magick,"J2K") == 0)
+ if (IsJ2K(sans,4) != MagickFalse)
jp2_codec=opj_create_decompress(OPJ_CODEC_J2K);
else
jp2_codec=opj_create_decompress(OPJ_CODEC_JP2);
opj_stream_set_write_function(jp2_stream,JP2WriteHandler);
opj_stream_set_seek_function(jp2_stream,JP2SeekHandler);
opj_stream_set_skip_function(jp2_stream,JP2SkipHandler);
- opj_stream_set_user_data(jp2_stream,image);
+ opj_stream_set_user_data(jp2_stream,image,NULL);
opj_stream_set_user_data_length(jp2_stream,GetBlobSize(image));
if (opj_read_header(jp2_stream,jp2_codec,&jp2_image) == 0)
{
- opj_stream_set_user_data(jp2_stream,NULL);
- opj_stream_destroy_v3(jp2_stream);
+ opj_stream_destroy(jp2_stream);
opj_destroy_codec(jp2_codec);
ThrowReaderException(DelegateError,"UnableToDecodeImageFile");
}
+ jp2_status=1;
if ((image->columns != 0) && (image->rows != 0))
{
/*
Extract an area from the image.
*/
- jp2_status=opj_set_decode_area(jp2_codec,jp2_image,image->extract_info.x,
- image->extract_info.y,image->extract_info.x+image->columns,
- image->extract_info.y+image->rows);
+ jp2_status=opj_set_decode_area(jp2_codec,jp2_image,
+ (OPJ_INT32) image->extract_info.x,(OPJ_INT32) image->extract_info.y,
+ (OPJ_INT32) (image->extract_info.x+(ssize_t) image->columns),
+ (OPJ_INT32) (image->extract_info.y+(ssize_t) image->rows));
if (jp2_status == 0)
{
- opj_stream_set_user_data(jp2_stream,NULL);
- opj_stream_destroy_v3(jp2_stream);
+ opj_stream_destroy(jp2_stream);
opj_destroy_codec(jp2_codec);
opj_image_destroy(jp2_image);
ThrowReaderException(DelegateError,"UnableToDecodeImageFile");
}
}
- if ((opj_decode(jp2_codec,jp2_stream,jp2_image) == 0) ||
- (opj_end_decompress(jp2_codec,jp2_stream) == 0))
+ if (image_info->number_scenes != 0)
+ jp2_status=opj_get_decoded_tile(jp2_codec,jp2_stream,jp2_image,
+ (unsigned int) image_info->scene);
+ else
+ if (image->ping == MagickFalse)
+ {
+ jp2_status=opj_decode(jp2_codec,jp2_stream,jp2_image);
+ if (jp2_status != 0)
+ jp2_status=opj_end_decompress(jp2_codec,jp2_stream);
+ }
+ if (jp2_status == 0)
{
- opj_stream_set_user_data(jp2_stream,NULL);
- opj_stream_destroy_v3(jp2_stream);
+ opj_stream_destroy(jp2_stream);
opj_destroy_codec(jp2_codec);
opj_image_destroy(jp2_image);
ThrowReaderException(DelegateError,"UnableToDecodeImageFile");
}
- opj_stream_set_user_data(jp2_stream,NULL);
- opj_stream_destroy_v3(jp2_stream);
+ opj_stream_destroy(jp2_stream);
for (i=0; i < (ssize_t) jp2_image->numcomps; i++)
{
if ((jp2_image->comps[i].dx == 0) || (jp2_image->comps[i].dy == 0))
{
- opj_stream_set_user_data(jp2_stream,NULL);
opj_destroy_codec(jp2_codec);
opj_image_destroy(jp2_image);
ThrowReaderException(CoderError,"IrregularChannelGeometryNotSupported")
*/
image->columns=(size_t) jp2_image->comps[0].w;
image->rows=(size_t) jp2_image->comps[0].h;
+ image->depth=jp2_image->comps[0].prec;
+ status=SetImageExtent(image,image->columns,image->rows,exception);
+ if (status == MagickFalse)
+ return(DestroyImageList(image));
image->compression=JPEG2000Compression;
if (jp2_image->numcomps <= 2)
{
- SetImageColorspace(image,GRAYColorspace);
+ SetImageColorspace(image,GRAYColorspace,exception);
if (jp2_image->numcomps > 1)
- image->matte=MagickTrue;
+ image->alpha_trait=BlendPixelTrait;
}
if (jp2_image->numcomps > 3)
- image->matte=MagickTrue;
+ image->alpha_trait=BlendPixelTrait;
for (i=0; i < (ssize_t) jp2_image->numcomps; i++)
- {
- if ((jp2_image->comps[i].dx == 0) || (jp2_image->comps[i].dy == 0))
- {
- opj_stream_set_user_data(jp2_stream,NULL);
- opj_destroy_codec(jp2_codec);
- opj_image_destroy(jp2_image);
- ThrowReaderException(CoderError,"IrregularChannelGeometryNotSupported")
- }
if ((jp2_image->comps[i].dx > 1) || (jp2_image->comps[i].dy > 1))
- image->colorspace=YUVColorspace;
- }
+ SetImageColorspace(image,YUVColorspace,exception);
if (jp2_image->icc_profile_buf != (unsigned char *) NULL)
{
StringInfo
profile=BlobToStringInfo(jp2_image->icc_profile_buf,
jp2_image->icc_profile_len);
if (profile != (StringInfo *) NULL)
- SetImageProfile(image,"icc",profile);
+ SetImageProfile(image,"icc",profile,exception);
+ }
+ if (image->ping != MagickFalse)
+ {
+ opj_destroy_codec(jp2_codec);
+ opj_image_destroy(jp2_image);
+ opj_destroy_cstr_index(&codestream_index);
+ return(GetFirstImageInList(image));
}
for (y=0; y < (ssize_t) image->rows; y++)
{
- register PixelPacket
+ register Quantum
*restrict q;
register ssize_t
x;
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
- if (q == (PixelPacket *) NULL)
+ if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
*/
ModuleExport size_t RegisterJP2Image(void)
{
+ char
+ version[MagickPathExtent];
+
MagickInfo
*entry;
- entry=SetMagickInfo("JP2");
- entry->description=ConstantString("JPEG-2000 File Format Syntax");
+ *version='\0';
+#if defined(MAGICKCORE_LIBOPENJP2_DELEGATE)
+ (void) FormatLocaleString(version,MagickPathExtent,"%s",opj_version());
+#endif
+ entry=AcquireMagickInfo("JP2","JP2","JPEG-2000 File Format Syntax");
+ if (*version != '\0')
+ entry->version=ConstantString(version);
entry->mime_type=ConstantString("image/jp2");
- entry->module=ConstantString("JP2");
entry->magick=(IsImageFormatHandler *) IsJP2;
- entry->adjoin=MagickFalse;
- entry->seekable_stream=MagickTrue;
- entry->thread_support=NoThreadSupport;
+ entry->flags^=CoderAdjoinFlag;
+ entry->flags|=CoderSeekableStreamFlag;
#if defined(MAGICKCORE_LIBOPENJP2_DELEGATE)
entry->decoder=(DecodeImageHandler *) ReadJP2Image;
entry->encoder=(EncodeImageHandler *) WriteJP2Image;
#endif
(void) RegisterMagickInfo(entry);
- entry=SetMagickInfo("J2K");
- entry->description=ConstantString("JPEG-2000 Code Stream Syntax");
+ entry=AcquireMagickInfo("JP2","J2C","JPEG-2000 Code Stream Syntax");
+ if (*version != '\0')
+ entry->version=ConstantString(version);
entry->mime_type=ConstantString("image/jp2");
- entry->module=ConstantString("JP2");
entry->magick=(IsImageFormatHandler *) IsJ2K;
- entry->adjoin=MagickFalse;
- entry->seekable_stream=MagickTrue;
- entry->thread_support=NoThreadSupport;
+ entry->flags^=CoderAdjoinFlag;
+ entry->flags|=CoderSeekableStreamFlag;
#if defined(MAGICKCORE_LIBOPENJP2_DELEGATE)
entry->decoder=(DecodeImageHandler *) ReadJP2Image;
entry->encoder=(EncodeImageHandler *) WriteJP2Image;
#endif
(void) RegisterMagickInfo(entry);
- entry=SetMagickInfo("JPT");
- entry->description=ConstantString("JPEG-2000 File Format Syntax");
+ entry=AcquireMagickInfo("JP2","J2K","JPEG-2000 Code Stream Syntax");
+ if (*version != '\0')
+ entry->version=ConstantString(version);
+ entry->mime_type=ConstantString("image/jp2");
+ entry->magick=(IsImageFormatHandler *) IsJ2K;
+ entry->flags^=CoderAdjoinFlag;
+ entry->flags|=CoderSeekableStreamFlag;
+#if defined(MAGICKCORE_LIBOPENJP2_DELEGATE)
+ entry->decoder=(DecodeImageHandler *) ReadJP2Image;
+ entry->encoder=(EncodeImageHandler *) WriteJP2Image;
+#endif
+ (void) RegisterMagickInfo(entry);
+ entry=AcquireMagickInfo("JP2","JPM","JPEG-2000 File Format Syntax");
+ if (*version != '\0')
+ entry->version=ConstantString(version);
entry->mime_type=ConstantString("image/jp2");
- entry->module=ConstantString("JP2");
entry->magick=(IsImageFormatHandler *) IsJP2;
- entry->adjoin=MagickFalse;
- entry->seekable_stream=MagickTrue;
- entry->thread_support=NoThreadSupport;
+ entry->flags^=CoderAdjoinFlag;
+ entry->flags|=CoderSeekableStreamFlag;
#if defined(MAGICKCORE_LIBOPENJP2_DELEGATE)
entry->decoder=(DecodeImageHandler *) ReadJP2Image;
entry->encoder=(EncodeImageHandler *) WriteJP2Image;
#endif
(void) RegisterMagickInfo(entry);
- entry=SetMagickInfo("JPC");
- entry->description=ConstantString("JPEG-2000 Code Stream Syntax");
+ entry=AcquireMagickInfo("JP2","JPT","JPEG-2000 File Format Syntax");
+ if (*version != '\0')
+ entry->version=ConstantString(version);
entry->mime_type=ConstantString("image/jp2");
- entry->module=ConstantString("JP2");
- entry->magick=(IsImageFormatHandler *) IsJPC;
- entry->adjoin=MagickFalse;
- entry->seekable_stream=MagickTrue;
- entry->thread_support=NoThreadSupport;
+ entry->magick=(IsImageFormatHandler *) IsJP2;
+ entry->flags^=CoderAdjoinFlag;
+ entry->flags|=CoderSeekableStreamFlag;
+#if defined(MAGICKCORE_LIBOPENJP2_DELEGATE)
+ entry->decoder=(DecodeImageHandler *) ReadJP2Image;
+ entry->encoder=(EncodeImageHandler *) WriteJP2Image;
+#endif
+ (void) RegisterMagickInfo(entry);
+ entry=AcquireMagickInfo("JP2","JPC","JPEG-2000 Code Stream Syntax");
+ if (*version != '\0')
+ entry->version=ConstantString(version);
+ entry->mime_type=ConstantString("image/jp2");
+ entry->magick=(IsImageFormatHandler *) IsJP2;
+ entry->flags^=CoderAdjoinFlag;
+ entry->flags|=CoderSeekableStreamFlag;
#if defined(MAGICKCORE_LIBOPENJP2_DELEGATE)
entry->decoder=(DecodeImageHandler *) ReadJP2Image;
entry->encoder=(EncodeImageHandler *) WriteJP2Image;
{
(void) UnregisterMagickInfo("JPC");
(void) UnregisterMagickInfo("JPT");
+ (void) UnregisterMagickInfo("JPM");
(void) UnregisterMagickInfo("JP2");
(void) UnregisterMagickInfo("J2K");
}
%
% The format of the WriteJP2Image method is:
%
-% MagickBooleanType WriteJP2Image(const ImageInfo *image_info,Image *image)
+% MagickBooleanType WriteJP2Image(const ImageInfo *image_info,Image *image,
+% ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o image: The image.
%
*/
-static MagickBooleanType WriteJP2Image(const ImageInfo *image_info,Image *image)
+
+static void CinemaProfileCompliance(const opj_image_t *jp2_image,
+ opj_cparameters_t *parameters)
+{
+ /*
+ Digital Cinema 4K profile compliant codestream.
+ */
+ parameters->tile_size_on=OPJ_FALSE;
+ parameters->cp_tdx=1;
+ parameters->cp_tdy=1;
+ parameters->tp_flag='C';
+ parameters->tp_on=1;
+ parameters->cp_tx0=0;
+ parameters->cp_ty0=0;
+ parameters->image_offset_x0=0;
+ parameters->image_offset_y0=0;
+ parameters->cblockw_init=32;
+ parameters->cblockh_init=32;
+ parameters->csty|=0x01;
+ parameters->prog_order=OPJ_CPRL;
+ parameters->roi_compno=(-1);
+ parameters->subsampling_dx=1;
+ parameters->subsampling_dy=1;
+ parameters->irreversible=1;
+ if ((jp2_image->comps[0].w == 2048) || (jp2_image->comps[0].h == 1080))
+ {
+ /*
+ Digital Cinema 2K.
+ */
+ parameters->cp_cinema=OPJ_CINEMA2K_24;
+ parameters->cp_rsiz=OPJ_CINEMA2K;
+ parameters->max_comp_size=1041666;
+ if (parameters->numresolution > 6)
+ parameters->numresolution=6;
+
+ }
+ if ((jp2_image->comps[0].w == 4096) || (jp2_image->comps[0].h == 2160))
+ {
+ /*
+ Digital Cinema 4K.
+ */
+ parameters->cp_cinema=OPJ_CINEMA4K_24;
+ parameters->cp_rsiz=OPJ_CINEMA4K;
+ parameters->max_comp_size=1041666;
+ if (parameters->numresolution < 1)
+ parameters->numresolution=1;
+ if (parameters->numresolution > 7)
+ parameters->numresolution=7;
+ parameters->numpocs=2;
+ parameters->POC[0].tile=1;
+ parameters->POC[0].resno0=0;
+ parameters->POC[0].compno0=0;
+ parameters->POC[0].layno1=1;
+ parameters->POC[0].resno1=parameters->numresolution-1;
+ parameters->POC[0].compno1=3;
+ parameters->POC[0].prg1=OPJ_CPRL;
+ parameters->POC[1].tile=1;
+ parameters->POC[1].resno0=parameters->numresolution-1;
+ parameters->POC[1].compno0=0;
+ parameters->POC[1].layno1=1;
+ parameters->POC[1].resno1=parameters->numresolution;
+ parameters->POC[1].compno1=3;
+ parameters->POC[1].prg1=OPJ_CPRL;
+ }
+ parameters->tcp_numlayers=1;
+ parameters->tcp_rates[0]=((float) (jp2_image->numcomps*jp2_image->comps[0].w*
+ jp2_image->comps[0].h*jp2_image->comps[0].prec))/(parameters->max_comp_size*
+ 8*jp2_image->comps[0].dx*jp2_image->comps[0].dy);
+ parameters->cp_disto_alloc=1;
+}
+
+static MagickBooleanType WriteJP2Image(const ImageInfo *image_info,Image *image,
+ ExceptionInfo *exception)
{
+ const char
+ *option,
+ *property;
+
+ int
+ jp2_status;
+
MagickBooleanType
status;
+ opj_codec_t
+ *jp2_codec;
+
+ OPJ_COLOR_SPACE
+ jp2_colorspace;
+
+ opj_cparameters_t
+ parameters;
+
+ opj_image_cmptparm_t
+ jp2_info[5];
+
+ opj_image_t
+ *jp2_image;
+
+ opj_stream_t
+ *jp2_stream;
+
+ register ssize_t
+ i;
+
+ ssize_t
+ y;
+
+ size_t
+ channels;
+
/*
Open image file.
*/
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
- status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
+ assert(exception != (ExceptionInfo *) NULL);
+ assert(exception->signature == MagickSignature);
+ status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
if (status == MagickFalse)
return(status);
/*
Initialize JPEG 2000 API.
*/
- if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
- (void) TransformImageColorspace(image,sRGBColorspace);
- if (status != MagickFalse)
+ opj_set_default_encoder_parameters(¶meters);
+ for (i=1; i < 6; i++)
+ if (((1U << (i+2)) > image->columns) && ((1U << (i+2)) > image->rows))
+ break;
+ parameters.numresolution=i;
+ option=GetImageOption(image_info,"jp2:number-resolutions");
+ if (option != (const char *) NULL)
+ parameters.numresolution=StringToInteger(option);
+ parameters.tcp_numlayers=1;
+ parameters.tcp_rates[0]=0; /* lossless */
+ parameters.cp_disto_alloc=1;
+ if (image->quality != 0)
+ {
+ parameters.tcp_distoratio[0]=(double) image->quality;
+ parameters.cp_fixed_quality=OPJ_TRUE;
+ }
+ if (image_info->extract != (char *) NULL)
+ {
+ RectangleInfo
+ geometry;
+
+ int
+ flags;
+
+ /*
+ Set tile size.
+ */
+ flags=ParseAbsoluteGeometry(image_info->extract,&geometry);
+ parameters.cp_tdx=(int) geometry.width;
+ parameters.cp_tdy=(int) geometry.width;
+ if ((flags & HeightValue) != 0)
+ parameters.cp_tdy=(int) geometry.height;
+ if ((flags & XValue) != 0)
+ parameters.cp_tx0=geometry.x;
+ if ((flags & YValue) != 0)
+ parameters.cp_ty0=geometry.y;
+ parameters.tile_size_on=OPJ_TRUE;
+ }
+ option=GetImageOption(image_info,"jp2:quality");
+ if (option != (const char *) NULL)
+ {
+ register const char
+ *p;
+
+ /*
+ Set quality PSNR.
+ */
+ p=option;
+ for (i=0; sscanf(p,"%f",¶meters.tcp_distoratio[i]) == 1; i++)
+ {
+ if (i > 100)
+ break;
+ while ((*p != '\0') && (*p != ','))
+ p++;
+ if (*p == '\0')
+ break;
+ p++;
+ }
+ parameters.tcp_numlayers=i+1;
+ parameters.cp_fixed_quality=OPJ_TRUE;
+ }
+ option=GetImageOption(image_info,"jp2:progression-order");
+ if (option != (const char *) NULL)
+ {
+ if (LocaleCompare(option,"LRCP") == 0)
+ parameters.prog_order=OPJ_LRCP;
+ if (LocaleCompare(option,"RLCP") == 0)
+ parameters.prog_order=OPJ_RLCP;
+ if (LocaleCompare(option,"RPCL") == 0)
+ parameters.prog_order=OPJ_RPCL;
+ if (LocaleCompare(option,"PCRL") == 0)
+ parameters.prog_order=OPJ_PCRL;
+ if (LocaleCompare(option,"CPRL") == 0)
+ parameters.prog_order=OPJ_CPRL;
+ }
+ option=GetImageOption(image_info,"jp2:rate");
+ if (option != (const char *) NULL)
+ {
+ register const char
+ *p;
+
+ /*
+ Set compression rate.
+ */
+ p=option;
+ for (i=0; sscanf(p,"%f",¶meters.tcp_rates[i]) == 1; i++)
+ {
+ if (i >= 100)
+ break;
+ while ((*p != '\0') && (*p != ','))
+ p++;
+ if (*p == '\0')
+ break;
+ p++;
+ }
+ parameters.tcp_numlayers=i+1;
+ parameters.cp_disto_alloc=OPJ_TRUE;
+ }
+ if (image_info->sampling_factor != (const char *) NULL)
+ (void) sscanf(image_info->sampling_factor,"%d,%d",
+ ¶meters.subsampling_dx,¶meters.subsampling_dy);
+ property=GetImageProperty(image,"comment",exception);
+ if (property != (const char *) NULL)
+ parameters.cp_comment=ConstantString(property);
+ channels=3;
+ jp2_colorspace=OPJ_CLRSPC_SRGB;
+ if (image->colorspace == YUVColorspace)
+ {
+ jp2_colorspace=OPJ_CLRSPC_SYCC;
+ parameters.subsampling_dx=2;
+ }
+ else
+ {
+ (void) TransformImageColorspace(image,sRGBColorspace,exception);
+ if (IsGrayColorspace(image->colorspace) != MagickFalse)
+ {
+ channels=1;
+ jp2_colorspace=OPJ_CLRSPC_GRAY;
+ }
+ if (image->alpha_trait != UndefinedPixelTrait)
+ channels++;
+ }
+ parameters.tcp_mct=channels == 3 ? 1 : 0;
+ ResetMagickMemory(jp2_info,0,sizeof(jp2_info));
+ for (i=0; i < (ssize_t) channels; i++)
+ {
+ jp2_info[i].prec=(OPJ_UINT32) image->depth;
+ jp2_info[i].bpp=(OPJ_UINT32) image->depth;
+ if ((image->depth == 1) &&
+ ((LocaleCompare(image_info->magick,"JPT") == 0) ||
+ (LocaleCompare(image_info->magick,"JP2") == 0)))
+ {
+ jp2_info[i].prec++; /* OpenJPEG returns exception for depth @ 1 */
+ jp2_info[i].bpp++;
+ }
+ jp2_info[i].sgnd=0;
+ jp2_info[i].dx=parameters.subsampling_dx;
+ jp2_info[i].dy=parameters.subsampling_dy;
+ jp2_info[i].w=(OPJ_UINT32) image->columns;
+ jp2_info[i].h=(OPJ_UINT32) image->rows;
+ }
+ jp2_image=opj_image_create((OPJ_UINT32) channels,jp2_info,jp2_colorspace);
+ if (jp2_image == (opj_image_t *) NULL)
ThrowWriterException(DelegateError,"UnableToEncodeImageFile");
+ jp2_image->x0=parameters.image_offset_x0;
+ jp2_image->y0=parameters.image_offset_y0;
+ jp2_image->x1=(unsigned int) (2*parameters.image_offset_x0+(image->columns-1)*
+ parameters.subsampling_dx+1);
+ jp2_image->y1=(unsigned int) (2*parameters.image_offset_y0+(image->rows-1)*
+ parameters.subsampling_dx+1);
+ if ((image->depth == 12) &&
+ ((image->columns == 2048) || (image->rows == 1080) ||
+ (image->columns == 4096) || (image->rows == 2160)))
+ CinemaProfileCompliance(jp2_image,¶meters);
+ if (channels == 4)
+ jp2_image->comps[3].alpha=1;
+ else
+ if ((channels == 2) && (jp2_colorspace == OPJ_CLRSPC_GRAY))
+ jp2_image->comps[1].alpha=1;
+ /*
+ Convert to JP2 pixels.
+ */
+ for (y=0; y < (ssize_t) image->rows; y++)
+ {
+ register const Quantum
+ *p;
+
+ ssize_t
+ x;
+
+ p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+ if (p == (const Quantum *) NULL)
+ break;
+ for (x=0; x < (ssize_t) image->columns; x++)
+ {
+ for (i=0; i < (ssize_t) channels; i++)
+ {
+ double
+ scale;
+
+ register int
+ *q;
+
+ scale=(double) ((1UL << jp2_image->comps[i].prec)-1)/QuantumRange;
+ q=jp2_image->comps[i].data+(y/jp2_image->comps[i].dy*
+ image->columns/jp2_image->comps[i].dx+x/jp2_image->comps[i].dx);
+ switch (i)
+ {
+ case 0:
+ {
+ if (jp2_colorspace == OPJ_CLRSPC_GRAY)
+ {
+ *q=(int) (scale*GetPixelLuma(image,p));
+ break;
+ }
+ *q=(int) (scale*GetPixelRed(image,p));
+ break;
+ }
+ case 1:
+ {
+ if (jp2_colorspace == OPJ_CLRSPC_GRAY)
+ {
+ *q=(int) (scale*GetPixelAlpha(image,p));
+ break;
+ }
+ *q=(int) (scale*GetPixelGreen(image,p));
+ break;
+ }
+ case 2:
+ {
+ *q=(int) (scale*GetPixelBlue(image,p));
+ break;
+ }
+ case 3:
+ {
+ *q=(int) (scale*GetPixelAlpha(image,p));
+ break;
+ }
+ }
+ }
+ p+=GetPixelChannels(image);
+ }
+ status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
+ image->rows);
+ if (status == MagickFalse)
+ break;
+ }
+ if (LocaleCompare(image_info->magick,"JPT") == 0)
+ jp2_codec=opj_create_compress(OPJ_CODEC_JPT);
+ else
+ if (LocaleCompare(image_info->magick,"J2K") == 0)
+ jp2_codec=opj_create_compress(OPJ_CODEC_J2K);
+ else
+ jp2_codec=opj_create_compress(OPJ_CODEC_JP2);
+ opj_set_warning_handler(jp2_codec,JP2WarningHandler,exception);
+ opj_set_error_handler(jp2_codec,JP2ErrorHandler,exception);
+ opj_setup_encoder(jp2_codec,¶meters,jp2_image);
+ jp2_stream=opj_stream_create(OPJ_J2K_STREAM_CHUNK_SIZE,OPJ_FALSE);
+ opj_stream_set_read_function(jp2_stream,JP2ReadHandler);
+ opj_stream_set_write_function(jp2_stream,JP2WriteHandler);
+ opj_stream_set_seek_function(jp2_stream,JP2SeekHandler);
+ opj_stream_set_skip_function(jp2_stream,JP2SkipHandler);
+ opj_stream_set_user_data(jp2_stream,image,NULL);
+ if (jp2_stream == (opj_stream_t *) NULL)
+ ThrowWriterException(DelegateError,"UnableToEncodeImageFile");
+ jp2_status=opj_start_compress(jp2_codec,jp2_image,jp2_stream);
+ if (jp2_status == 0)
+ ThrowWriterException(DelegateError,"UnableToEncodeImageFile");
+ if ((opj_encode(jp2_codec,jp2_stream) == 0) ||
+ (opj_end_compress(jp2_codec,jp2_stream) == 0))
+ {
+ opj_stream_destroy(jp2_stream);
+ opj_destroy_codec(jp2_codec);
+ opj_image_destroy(jp2_image);
+ ThrowWriterException(DelegateError,"UnableToEncodeImageFile");
+ }
+ /*
+ Free resources.
+ */
+ opj_stream_destroy(jp2_stream);
+ opj_destroy_codec(jp2_codec);
+ opj_image_destroy(jp2_image);
+ (void) CloseBlob(image);
return(MagickTrue);
}
#endif
projects / imagemagick / blobdiff