static MagickBooleanType WriteCALSImage(const ImageInfo *image_info,
Image *image)
{
char
header[129];
Image
*group4_image;
ImageInfo
*write_info;
MagickBooleanType
status;
register ssize_t
i;
size_t
density,
length,
orient_x,
orient_y;
ssize_t
count;
unsigned char
*group4;
/*
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);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
/*
Create standard CALS header.
*/
count=WriteCALSRecord(image,"srcdocid: NONE");
(void) count;
count=WriteCALSRecord(image,"dstdocid: NONE");
count=WriteCALSRecord(image,"txtfilid: NONE");
count=WriteCALSRecord(image,"figid: NONE");
count=WriteCALSRecord(image,"srcgph: NONE");
count=WriteCALSRecord(image,"docls: NONE");
count=WriteCALSRecord(image,"rtype: 1");
orient_x=0;
orient_y=0;
switch (image->orientation)
{
case TopRightOrientation:
{
orient_x=180;
orient_y=270;
break;
}
case BottomRightOrientation:
{
orient_x=180;
orient_y=90;
break;
}
case BottomLeftOrientation:
{
orient_y=90;
break;
}
case LeftTopOrientation:
{
orient_x=270;
break;
}
case RightTopOrientation:
{
orient_x=270;
orient_y=180;
break;
}
case RightBottomOrientation:
{
orient_x=90;
orient_y=180;
break;
}
case LeftBottomOrientation:
{
orient_x=90;
break;
}
default:
{
orient_y=270;
}
}
(void) FormatLocaleString(header,MaxTextExtent,"rorient: %03ld,%03ld",
(long) orient_x,(long) orient_y);
count=WriteCALSRecord(image,header);
(void) FormatLocaleString(header,MaxTextExtent,"rpelcnt: %06lu,%06lu",
(unsigned long) image->columns,(unsigned long) image->rows);
count=WriteCALSRecord(image,header);
density=200;
if (image_info->density != (char *) NULL)
{
GeometryInfo
geometry_info;
(void) ParseGeometry(image_info->density,&geometry_info);
density=(size_t) floor(geometry_info.rho+0.5);
}
(void) FormatLocaleString(header,MaxTextExtent,"rdensty: %04lu",
(unsigned long) density);
count=WriteCALSRecord(image,header);
count=WriteCALSRecord(image,"notes: NONE");
(void) ResetMagickMemory(header,' ',128);
for (i=0; i < 5; i++)
(void) WriteBlob(image,128,(unsigned char *) header);
/*
Write CALS pixels.
*/
write_info=CloneImageInfo(image_info);
(void) CopyMagickString(write_info->filename,"GROUP4:",MaxTextExtent);
(void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
group4_image=CloneImage(image,0,0,MagickTrue,&image->exception);
if (group4_image == (Image *) NULL)
{
(void) CloseBlob(image);
return(MagickFalse);
}
group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
&image->exception);
group4_image=DestroyImage(group4_image);
if (group4 == (unsigned char *) NULL)
{
(void) CloseBlob(image);
return(MagickFalse);
}
write_info=DestroyImageInfo(write_info);
if (WriteBlob(image,length,group4) != (ssize_t) length)
status=MagickFalse;
group4=(unsigned char *) RelinquishMagickMemory(group4);
(void) CloseBlob(image);
return(status);
}
static MagickPassFail WriteCALSImage(const ImageInfo *image_info,Image *image)
{
char
buffer[MaxTextExtent];
int
i;
long
sans;
unsigned long
density;
int
orx,
ory;
MagickPassFail
status=MagickPass;
/*
Validate input image
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
/*
Open output image file.
*/
if (OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception) == MagickFail)
ThrowWriterException(FileOpenError,UnableToOpenFile,image);
/*
Create standard header
*/
WriteCALSRecord(image,"srcdocid: NONE");
WriteCALSRecord(image,"dstdocid: NONE");
WriteCALSRecord(image,"txtfilid: NONE");
WriteCALSRecord(image,"figid: NONE");
WriteCALSRecord(image,"srcgph: NONE");
WriteCALSRecord(image,"docls: NONE");
WriteCALSRecord(image,"rtype: 1");
/* orientation based on input or default of upright */
switch (image->orientation)
{
case TopRightOrientation:
orx=180;
ory=270;
break;
case BottomRightOrientation:
orx=180;
ory=90;
break;
case BottomLeftOrientation:
orx=0;
ory=90;
break;
case LeftTopOrientation:
orx=270;
ory=0;
break;
case RightTopOrientation:
orx=270;
ory=180;
break;
case RightBottomOrientation:
orx=90;
ory=180;
break;
case LeftBottomOrientation:
orx=90;
ory=0;
break;
default:
orx=0;
ory=270;
}
FormatString(buffer,"rorient: %03d,%03d",orx,ory);
WriteCALSRecord(image,buffer);
/* pixel counts based on columns/rows of input */
FormatString(buffer,"rpelcnt: %06ld,%06ld",image->columns,image->rows);
WriteCALSRecord(image,buffer);
/* density based on input density or default of 200 */
density=200;
if (image_info->density != (char *) NULL)
(void) GetGeometry(image_info->density,&sans,&sans,&density,&density);
FormatString(buffer,"rdensty: %04ld",density);
WriteCALSRecord(image,buffer);
WriteCALSRecord(image,"notes: NONE");
/*
Pad header to make 16 records / 2048 bytes
*/
memset(buffer,' ',128);
for (i = 0; i < 5; i++)
if (WriteBlob(image,128,buffer) != 128)
status=MagickFail;
/*
Encode data to Group 4
*/
if (MagickFail != status)
{
unsigned char
*blob;
size_t
blob_length;
blob=ImageToHuffman2DBlob(image,image_info,&blob_length,&image->exception);
if (blob == (unsigned char *) NULL)
status=MagickFail;
if (MagickFail != status)
{
if (WriteBlob(image,blob_length,blob) != blob_length)
status=MagickFail;
}
MagickFreeMemory(blob);
}
/*
Close output file and return image
*/
CloseBlob(image);
return status;
}
