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//
// Little cms
// Copyright (C) 1998-2007 Marti Maria
//
// Permission is hereby granted, _cmsFree( of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// This program does apply profiles to (some) JPEG files
#include "lcms.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/stat.h>
#ifndef NON_WINDOWS
# include <io.h>
#endif
#include "jpeglib.h"
#include "iccjpeg.h"
#define PROGNAME "JPEGICC"
// xgetopt() interface -----------------------------------------------------
extern int xoptind;
extern char *xoptarg;
extern int xopterr;
extern char SW;
int cdecl xgetopt(int argc, char *argv[], char *optionS);
// ------------------------------------------------------------------------
extern cmsHPROFILE OpenStockProfile(const char* File);
// Flags
static LCMSBOOL Verbose = FALSE;
static LCMSBOOL BlackPointCompensation = FALSE;
static LCMSBOOL IgnoreEmbedded = FALSE;
static LCMSBOOL GamutCheck = FALSE;
static LCMSBOOL lIsITUFax = FALSE;
static LCMSBOOL lIsPhotoshopApp13 = FALSE;
static LCMSBOOL lIsDeviceLink = FALSE;
static LCMSBOOL EmbedProfile = FALSE;
static int PreserveBlack = 0;
static const char* SaveEmbedded = NULL;
static int Intent = INTENT_PERCEPTUAL;
static int ProofingIntent = INTENT_PERCEPTUAL;
static int PrecalcMode = 1;
static int jpegQuality = 75;
static char *cInpProf = NULL;
static char *cOutProf = NULL;
static char *cProofing = NULL;
static FILE * InFile;
static FILE * OutFile;
static struct jpeg_decompress_struct Decompressor;
static struct jpeg_compress_struct Compressor;
static struct my_error_mgr {
struct jpeg_error_mgr pub; // "public" fields
LPVOID Cargo; // "private" fields
} ErrorHandler;
static
void ConsoleWarningHandler(const char* module, const char* fmt, va_list ap)
{
char e[512] = { '\0' };
if (module != NULL)
strcat(strcpy(e, module), ": ");
vsprintf(e+strlen(e), fmt, ap);
strcat(e, ".");
if (Verbose) {
fprintf(stderr, "\nWarning");
fprintf(stderr, " %s\n", e);
}
}
static
void ConsoleErrorHandler(const char* module, const char* fmt, va_list ap)
{
char e[512] = { '\0' };
if (module != NULL)
strcat(strcpy(e, module), ": ");
vsprintf(e+strlen(e), fmt, ap);
strcat(e, ".");
fprintf(stderr, "\nError");
fprintf(stderr, " %s\n", e);
}
// Force an error and exit w/ return code 1
static
void FatalError(const char *frm, ...)
{
va_list args;
va_start(args, frm);
ConsoleErrorHandler(PROGNAME, frm, args);
va_end(args);
exit(1);
}
static
int MyErrorHandler(int ErrorCode, const char *ErrorText)
{
FatalError("%s", ErrorText);
return 0;
}
// Out of mem
static
void OutOfMem(size_t size)
{
FatalError("Out of memory on allocating %d bytes.", size);
}
METHODDEF(void)
my_output_message (j_common_ptr cinfo)
{
char buffer[JMSG_LENGTH_MAX];
(*cinfo->err->format_message) (cinfo, buffer);
FatalError("%s %s", PROGNAME, buffer);
}
METHODDEF(void)
my_error_exit (j_common_ptr cinfo)
{
// struct my_error_mgr *myerr = (struct my_error_mgr *) cinfo->err;
char buffer[JMSG_LENGTH_MAX];
(*cinfo->err->format_message) (cinfo, buffer);
FatalError(buffer);
}
static
LCMSBOOL IsITUFax(jpeg_saved_marker_ptr ptr)
{
while (ptr) {
if (ptr -> marker == (JPEG_APP0 + 1) && ptr -> data_length > 5)
{
JOCTET FAR* data = ptr -> data;
if (GETJOCTET(data[0]) == 0x47 &&
GETJOCTET(data[1]) == 0x33 &&
GETJOCTET(data[2]) == 0x46 &&
GETJOCTET(data[3]) == 0x41 &&
GETJOCTET(data[4]) == 0x58)
return TRUE;
}
ptr = ptr -> next;
}
return FALSE;
}
#define PS_FIXED_TO_FLOAT(h, l) ((float) (h) + ((float) (l)/(1<<16)))
static
LCMSBOOL ProcessPhotoshopAPP13(JOCTET FAR *data, int datalen)
{
int i;
for (i = 14; i < datalen; )
{
long len;
unsigned int type;
if (!(GETJOCTET(data[i] ) == 0x38 &&
GETJOCTET(data[i+1]) == 0x42 &&
GETJOCTET(data[i+2]) == 0x49 &&
GETJOCTET(data[i+3]) == 0x4D)) break; // Not recognized
i += 4; // identifying string
type = (unsigned int) (GETJOCTET(data[i]<<8) + GETJOCTET(data[i+1]));
i += 2; // resource type
i += GETJOCTET(data[i]) + ((GETJOCTET(data[i]) & 1) ? 1 : 2); // resource name
len = ((((GETJOCTET(data[i]<<8) + GETJOCTET(data[i+1]))<<8) +
GETJOCTET(data[i+2]))<<8) + GETJOCTET(data[i+3]);
i += 4; // Size
if (type == 0x03ED && len >= 16) {
Decompressor.X_density = (int) PS_FIXED_TO_FLOAT(GETJOCTET(data[i]<<8) + GETJOCTET(data[i+1]),
GETJOCTET(data[i+2]<<8) + GETJOCTET(data[i+3]));
Decompressor.Y_density = (int) PS_FIXED_TO_FLOAT(GETJOCTET(data[i+8]<<8) + GETJOCTET(data[i+9]),
GETJOCTET(data[i+10]<<8) + GETJOCTET(data[i+11]));
// Set the density unit to 1 since the
// Vertical and Horizontal resolutions
// are specified in Pixels per inch
Decompressor.density_unit = 0x01;
return TRUE;
}
i += len + ((len & 1) ? 1 : 0); // Alignment
}
return FALSE;
}
static
LCMSBOOL HandlePhotoshopAPP13(jpeg_saved_marker_ptr ptr)
{
while (ptr) {
if (ptr -> marker == (JPEG_APP0 + 13) && ptr -> data_length > 9)
{
JOCTET FAR* data = ptr -> data;
if(GETJOCTET(data[0]) == 0x50 &&
GETJOCTET(data[1]) == 0x68 &&
GETJOCTET(data[2]) == 0x6F &&
GETJOCTET(data[3]) == 0x74 &&
GETJOCTET(data[4]) == 0x6F &&
GETJOCTET(data[5]) == 0x73 &&
GETJOCTET(data[6]) == 0x68 &&
GETJOCTET(data[7]) == 0x6F &&
GETJOCTET(data[8]) == 0x70) {
ProcessPhotoshopAPP13(data, ptr -> data_length);
return TRUE;
}
}
ptr = ptr -> next;
}
return FALSE;
}
static
LCMSBOOL OpenInput(const char* FileName)
{
int m;
lIsITUFax = FALSE;
InFile = fopen(FileName, "rb");
if (InFile == NULL) {
FatalError("Cannot open '%s'", FileName);
return FALSE;
}
// Now we can initialize the JPEG decompression object.
Decompressor.err = jpeg_std_error(&ErrorHandler.pub);
ErrorHandler.pub.error_exit = my_error_exit;
ErrorHandler.pub.output_message = my_output_message;
jpeg_create_decompress(&Decompressor);
jpeg_stdio_src(&Decompressor, InFile);
for (m = 0; m < 16; m++)
jpeg_save_markers(&Decompressor, JPEG_APP0 + m, 0xFFFF);
setup_read_icc_profile(&Decompressor);
fseek(InFile, 0, SEEK_SET);
jpeg_read_header(&Decompressor, TRUE);
return TRUE;
}
static
LCMSBOOL OpenOutput(const char* FileName)
{
OutFile = fopen(FileName, "wb");
if (OutFile == NULL) {
FatalError("Cannot create '%s'", FileName);
return FALSE;
}
Compressor.err = jpeg_std_error(&ErrorHandler.pub);
ErrorHandler.pub.error_exit = my_error_exit;
ErrorHandler.pub.output_message = my_output_message;
Compressor.input_components = Compressor.num_components = 4;
jpeg_create_compress(&Compressor);
jpeg_stdio_dest(&Compressor, OutFile);
return TRUE;
}
static
LCMSBOOL Done()
{
jpeg_destroy_decompress(&Decompressor);
jpeg_destroy_compress(&Compressor);
return fclose(InFile) + fclose(OutFile);
}
// Build up the pixeltype descriptor
static
DWORD GetInputPixelType(void)
{
int space, bps, extra, ColorChannels, Flavor;
lIsITUFax = IsITUFax(Decompressor.marker_list);
lIsPhotoshopApp13 = HandlePhotoshopAPP13(Decompressor.marker_list);
ColorChannels = Decompressor.num_components;
extra = 0; // Alpha = None
bps = 1; // 8 bits
Flavor = 0; // Vanilla
if (lIsITUFax) {
space = PT_Lab;
Decompressor.out_color_space = JCS_YCbCr; // Fake to don't touch
}
else
switch (Decompressor.jpeg_color_space) {
case JCS_GRAYSCALE: // monochrome
space = PT_GRAY;
Decompressor.out_color_space = JCS_GRAYSCALE;
break;
case JCS_RGB: // red/green/blue
space = PT_RGB;
Decompressor.out_color_space = JCS_RGB;
break;
case JCS_YCbCr: // Y/Cb/Cr (also known as YUV)
space = PT_RGB; // Let IJG code to do the conversion
Decompressor.out_color_space = JCS_RGB;
break;
case JCS_CMYK: // C/M/Y/K
space = PT_CMYK;
Decompressor.out_color_space = JCS_CMYK;
if (Decompressor.saw_Adobe_marker) // Adobe keeps CMYK inverted, so change flavor
Flavor = 1; // from vanilla to chocolate
break;
case JCS_YCCK: // Y/Cb/Cr/K
space = PT_CMYK;
Decompressor.out_color_space = JCS_CMYK;
if (Decompressor.saw_Adobe_marker) // ditto
Flavor = 1;
break;
default:
FatalError("Unsupported color space (0x%x)", Decompressor.jpeg_color_space);
return 0;
}
return (EXTRA_SH(extra)|CHANNELS_SH(ColorChannels)|BYTES_SH(bps)|COLORSPACE_SH(space)|FLAVOR_SH(Flavor));
}
// Rearrange pixel type to build output descriptor
static
DWORD ComputeOutputFormatDescriptor(DWORD dwInput, int OutColorSpace)
{
int IsPlanar = T_PLANAR(dwInput);
int Channels = 0;
int Flavor = 0;
switch (OutColorSpace) {
case PT_GRAY:
Channels = 1;
break;
case PT_RGB:
case PT_CMY:
case PT_Lab:
case PT_YUV:
case PT_YCbCr:
Channels = 3;
break;
case PT_CMYK:
if (Compressor.write_Adobe_marker) // Adobe keeps CMYK inverted, so change flavor to chocolate
Flavor = 1;
Channels = 4;
break;
default:
FatalError("Unsupported output color space");
}
return (COLORSPACE_SH(OutColorSpace)|PLANAR_SH(IsPlanar)|CHANNELS_SH(Channels)|BYTES_SH(1)|FLAVOR_SH(Flavor));
}
// Equivalence between ICC color spaces and lcms color spaces
static
int GetProfileColorSpace(cmsHPROFILE hProfile)
{
icColorSpaceSignature ProfileSpace = cmsGetColorSpace(hProfile);
switch (ProfileSpace) {
case icSigGrayData: return PT_GRAY;
case icSigRgbData: return PT_RGB;
case icSigCmyData: return PT_CMY;
case icSigCmykData: return PT_CMYK;
case icSigYCbCrData:return PT_YCbCr;
case icSigLuvData: return PT_YUV;
case icSigXYZData: return PT_XYZ;
case icSigLabData: return PT_Lab;
case icSigLuvKData: return PT_YUVK;
case icSigHsvData: return PT_HSV;
case icSigHlsData: return PT_HLS;
case icSigYxyData: return PT_Yxy;
case icSigHexachromeData: return PT_HiFi;
default: return icMaxEnumData;
}
}
// From TRANSUPP
static
void jcopy_markers_execute(j_decompress_ptr srcinfo, j_compress_ptr dstinfo)
{
jpeg_saved_marker_ptr marker;
/* In the current implementation, we don't actually need to examine the
* option flag here; we just copy everything that got saved.
* But to avoid confusion, we do not output JFIF and Adobe APP14 markers
* if the encoder library already wrote one.
*/
for (marker = srcinfo->marker_list; marker != NULL; marker = marker->next) {
if (dstinfo->write_JFIF_header &&
marker->marker == JPEG_APP0 &&
marker->data_length >= 5 &&
GETJOCTET(marker->data[0]) == 0x4A &&
GETJOCTET(marker->data[1]) == 0x46 &&
GETJOCTET(marker->data[2]) == 0x49 &&
GETJOCTET(marker->data[3]) == 0x46 &&
GETJOCTET(marker->data[4]) == 0)
continue; /* reject duplicate JFIF */
if (dstinfo->write_Adobe_marker &&
marker->marker == JPEG_APP0+14 &&
marker->data_length >= 5 &&
GETJOCTET(marker->data[0]) == 0x41 &&
GETJOCTET(marker->data[1]) == 0x64 &&
GETJOCTET(marker->data[2]) == 0x6F &&
GETJOCTET(marker->data[3]) == 0x62 &&
GETJOCTET(marker->data[4]) == 0x65)
continue; /* reject duplicate Adobe */
#ifdef NEED_FAR_POINTERS
/* We could use jpeg_write_marker if the data weren't FAR... */
{
unsigned int i;
jpeg_write_m_header(dstinfo, marker->marker, marker->data_length);
for (i = 0; i < marker->data_length; i++)
jpeg_write_m_byte(dstinfo, marker->data[i]);
}
#else
jpeg_write_marker(dstinfo, marker->marker,
marker->data, marker->data_length);
#endif
}
}
static
void WriteOutputFields(int OutputColorSpace)
{
J_COLOR_SPACE in_space, jpeg_space;
int components;
switch (OutputColorSpace) {
case PT_GRAY: in_space = jpeg_space = JCS_GRAYSCALE;
components = 1;
break;
case PT_RGB: in_space = JCS_RGB;
jpeg_space = JCS_YCbCr;
components = 3;
break; // red/green/blue
case PT_YCbCr: in_space = jpeg_space = JCS_YCbCr;
components = 3;
break; // Y/Cb/Cr (also known as YUV)
case PT_CMYK: in_space = JCS_CMYK;
jpeg_space = JCS_YCCK;
components = 4;
break; // C/M/Y/components
case PT_Lab: in_space = jpeg_space = JCS_YCbCr;
components = 3;
break; // Fake to don't touch
default:
FatalError("Unsupported output color space");
return;
}
if (jpegQuality >= 100) {
// avoid destructive conversion when asking for lossless compression
jpeg_space = in_space;
}
Compressor.in_color_space = in_space;
Compressor.jpeg_color_space = jpeg_space;
Compressor.input_components = Compressor.num_components = components;
jpeg_set_defaults(&Compressor);
jpeg_set_colorspace(&Compressor, jpeg_space);
// Make sure to pass resolution through
if (OutputColorSpace == PT_CMYK)
Compressor.write_JFIF_header = 1;
//avoid subsampling on high quality factor
jpeg_set_quality(&Compressor, jpegQuality, 1);
if (jpegQuality >= 70) {
int i;
for(i=0; i < Compressor.num_components; i++) {
Compressor.comp_info[i].h_samp_factor = 1;
Compressor.comp_info[i].v_samp_factor = 1;
}
}
}
// A replacement for (the nonstandard) filelenght
static
int xfilelength(int fd)
{
#ifdef _MSC_VER
return _filelength(fd);
#else
struct stat sb;
if (fstat(fd, &sb) < 0)
return(-1);
return(sb.st_size);
#endif
}
static
void DoEmbedProfile(const char* ProfileFile)
{
FILE* f;
size_t size, EmbedLen;
LPBYTE EmbedBuffer;
f = fopen(ProfileFile, "rb");
if (f == NULL) return;
size = xfilelength(fileno(f));
EmbedBuffer = (LPBYTE) _cmsMalloc(size + 1);
EmbedLen = fread(EmbedBuffer, 1, size, f);
fclose(f);
EmbedBuffer[EmbedLen] = 0;
write_icc_profile (&Compressor, EmbedBuffer, EmbedLen);
_cmsFree(EmbedBuffer);
}
static
int DoTransform(cmsHTRANSFORM hXForm)
{
JSAMPROW ScanLineIn;
JSAMPROW ScanLineOut;
//Preserve resolution values from the original
// (Thanks to robert bergs for finding out this bug)
Compressor.density_unit = Decompressor.density_unit;
Compressor.X_density = Decompressor.X_density;
Compressor.Y_density = Decompressor.Y_density;
// Compressor.write_JFIF_header = 1;
jpeg_start_decompress(&Decompressor);
jpeg_start_compress(&Compressor, TRUE);
// Embed the profile if needed
if (EmbedProfile && cOutProf)
DoEmbedProfile(cOutProf);
ScanLineIn = (JSAMPROW) _cmsMalloc(Decompressor.output_width * Decompressor.num_components);
ScanLineOut = (JSAMPROW) _cmsMalloc(Compressor.image_width * Compressor.num_components);
while (Decompressor.output_scanline <
Decompressor.output_height) {
jpeg_read_scanlines(&Decompressor, &ScanLineIn, 1);
cmsDoTransform(hXForm, ScanLineIn, ScanLineOut, Decompressor.output_width);
jpeg_write_scanlines(&Compressor, &ScanLineOut, 1);
}
_cmsFree(ScanLineIn);
_cmsFree(ScanLineOut);
jpeg_finish_decompress(&Decompressor);
jpeg_finish_compress(&Compressor);
return TRUE;
}
static
void SaveMemoryBlock(const BYTE* Buffer, DWORD dwLen, const char* Filename)
{
FILE* out = fopen(Filename, "wb");
if (out == NULL)
FatalError("Cannot create '%s'", Filename);
if (fwrite(Buffer, 1, dwLen, out) != dwLen)
FatalError("Cannot write %ld bytes to %s", dwLen, Filename);
if (fclose(out) != 0)
FatalError("Error flushing file '%s'", Filename);
}
// Transform one image
static
int TransformImage(char *cDefInpProf, char *cOutProf)
{
cmsHPROFILE hIn, hOut, hProof;
cmsHTRANSFORM xform;
DWORD wInput, wOutput;
int OutputColorSpace;
DWORD dwFlags = 0;
DWORD EmbedLen;
LPBYTE EmbedBuffer;
if (BlackPointCompensation) {
dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
if (PreserveBlack) {
dwFlags |= cmsFLAGS_PRESERVEBLACK;
if (PrecalcMode == 0) PrecalcMode = 1;
cmsSetCMYKPreservationStrategy(PreserveBlack-1);
}
switch (PrecalcMode) {
case 0: dwFlags |= cmsFLAGS_NOTPRECALC; break;
case 2: dwFlags |= cmsFLAGS_HIGHRESPRECALC; break;
case 3: dwFlags |= cmsFLAGS_LOWRESPRECALC; break;
default:;
}
if (GamutCheck)
dwFlags |= cmsFLAGS_GAMUTCHECK;
if (lIsDeviceLink) {
hIn = cmsOpenProfileFromFile(cDefInpProf, "r");
hOut = NULL;
hProof = NULL;
}
else {
if (!IgnoreEmbedded && read_icc_profile(&Decompressor, &EmbedBuffer, &EmbedLen))
{
hIn = cmsOpenProfileFromMem(EmbedBuffer, EmbedLen);
if (Verbose) {
fprintf(stdout, " (Embedded profile found)\n");
fprintf(stdout, "Product name: %s\n", cmsTakeProductName(hIn));
fprintf(stdout, "Description : %s\n", cmsTakeProductDesc(hIn));
fflush(stdout);
}
if (hIn != NULL && SaveEmbedded != NULL)
SaveMemoryBlock(EmbedBuffer, EmbedLen, SaveEmbedded);
_cmsFree(EmbedBuffer);
}
else
{
hIn = OpenStockProfile(cDefInpProf);
}
hOut = OpenStockProfile(cOutProf);
hProof = NULL;
if (cProofing != NULL) {
hProof = OpenStockProfile(cProofing);
dwFlags |= cmsFLAGS_SOFTPROOFING;
}
}
// Take input color space
wInput = GetInputPixelType();
// Assure both, input profile and input JPEG are on same colorspace
if (cmsGetColorSpace(hIn) != _cmsICCcolorSpace(T_COLORSPACE(wInput)))
FatalError("Input profile is not operating in proper color space");
// Output colorspace is given by output profile
if (lIsDeviceLink) {
OutputColorSpace = T_COLORSPACE(wInput);
}
else {
OutputColorSpace = GetProfileColorSpace(hOut);
}
jpeg_copy_critical_parameters(&Decompressor, &Compressor);
WriteOutputFields(OutputColorSpace);
wOutput = ComputeOutputFormatDescriptor(wInput, OutputColorSpace);
xform = cmsCreateProofingTransform(hIn, wInput,
hOut, wOutput,
hProof, Intent,
ProofingIntent, dwFlags);
// Handle tile by tile or strip by strip strtok
DoTransform(xform);
jcopy_markers_execute(&Decompressor, &Compressor);
cmsDeleteTransform(xform);
cmsCloseProfile(hIn);
cmsCloseProfile(hOut);
if (hProof) cmsCloseProfile(hProof);
return 1;
}
// Simply print help
static
void Help(int level)
{
fprintf(stderr, "little cms ICC profile applier for JPEG - v2.1\n\n");
switch(level) {
default:
case 0:
fprintf(stderr, "usage: jpegicc [flags] input.jpg output.jpg\n");
fprintf(stderr, "\nflags:\n\n");
fprintf(stderr, "%cv - Verbose\n", SW);
fprintf(stderr, "%ci<profile> - Input profile (defaults to sRGB)\n", SW);
fprintf(stderr, "%co<profile> - Output profile (defaults to sRGB)\n", SW);
fprintf(stderr, "%ct<0,1,2,3> - Intent (0=Perceptual, 1=Colorimetric, 2=Saturation, 3=Absolute)\n", SW);
fprintf(stderr, "\n");
fprintf(stderr, "%cb - Black point compensation\n", SW);
fprintf(stderr, "%cf<n> - Preserve black (CMYK only) 0=off, 1=black ink only, 2=full K plane\n", SW);
fprintf(stderr, "%cn - Ignore embedded profile\n", SW);
fprintf(stderr, "%ce - Embed destination profile\n", SW);
fprintf(stderr, "%cs<new profile> - Save embedded profile as <new profile>\n", SW);
fprintf(stderr, "\n");
fprintf(stderr, "%cc<0,1,2,3> - Precalculates transform (0=Off, 1=Normal, 2=Hi-res, 3=LoRes) [defaults to 1]\n", SW);
fprintf(stderr, "\n");
fprintf(stderr, "%cp<profile> - Soft proof profile\n", SW);
fprintf(stderr, "%cm<0,1,2,3> - SoftProof intent\n", SW);
fprintf(stderr, "%cg - Marks out-of-gamut colors on softproof\n", SW);
fprintf(stderr, "\n");
fprintf(stderr, "%cq<0..100> - Output JPEG quality\n", SW);
fprintf(stderr, "\n");
fprintf(stderr, "%ch<0,1,2> - More help\n", SW);
break;
case 1:
fprintf(stderr, "Examples:\n\n"
"To color correct from scanner to sRGB:\n"
"\tjpegicc %ciscanner.icm in.jpg out.jpg\n"
"To convert from monitor1 to monitor2:\n"
"\tjpegicc %cimon1.icm %comon2.icm in.jpg out.jpg\n"
"To make a CMYK separation:\n"
"\tjpegicc %coprinter.icm inrgb.jpg outcmyk.jpg\n"
"To recover sRGB from a CMYK separation:\n"
"\tjpegicc %ciprinter.icm incmyk.jpg outrgb.jpg\n"
"To convert from CIELab ITU/Fax JPEG to sRGB\n"
"\tjpegicc %ciitufax.icm in.jpg out.jpg\n\n",
SW, SW, SW, SW, SW, SW);
break;
case 2:
fprintf(stderr, "This program is intended to be a demo of the little cms\n"
"engine. Both lcms and this program are freeware. You can\n"
"obtain both in source code at http://www.littlecms.com\n"
"For suggestions, comments, bug reports etc. send mail to\n"
"marti@littlecms.com\n\n");
break;
}
exit(0);
}
// The toggles stuff
static
void HandleSwitches(int argc, char *argv[])
{
int s;
while ((s=xgetopt(argc,argv,"bBnNvVGgh:H:i:I:o:O:P:p:t:T:c:C:Q:q:M:m:L:l:eEs:S:F:f:")) != EOF) {
switch (s)
{
case 'b':
case 'B':
BlackPointCompensation = TRUE;
break;
case 'v':
case 'V':
Verbose = TRUE;
break;
case 'i':
case 'I':
if (lIsDeviceLink)
FatalError("Device-link already specified");
cInpProf = xoptarg;
break;
case 'o':
case 'O':
if (lIsDeviceLink)
FatalError("Device-link already specified");
cOutProf = xoptarg;
break;
case 'l':
case 'L':
cInpProf = xoptarg;
lIsDeviceLink = TRUE;
break;
case 'p':
case 'P':
cProofing = xoptarg;
break;
case 't':
case 'T':
Intent = atoi(xoptarg);
if (Intent > 3) Intent = 3;
if (Intent < 0) Intent = 0;
break;
case 'N':
case 'n':
IgnoreEmbedded = TRUE;
break;
case 'e':
case 'E':
EmbedProfile = TRUE;
break;
case 'f':
case 'F':
PreserveBlack = atoi(xoptarg);
if (PreserveBlack < 0 || PreserveBlack > 2)
FatalError("Unknown PreserveBlack '%d'", PreserveBlack);
break;
case 'g':
case 'G':
GamutCheck = TRUE;
break;
case 'c':
case 'C':
PrecalcMode = atoi(xoptarg);
if (PrecalcMode < 0 || PrecalcMode > 2)
FatalError("Unknown precalc mode '%d'", PrecalcMode);
break;
case 'H':
case 'h': {
int a = atoi(xoptarg);
Help(a);
}
break;
case 'q':
case 'Q':
jpegQuality = atoi(xoptarg);
if (jpegQuality > 100) jpegQuality = 100;
if (jpegQuality < 0) jpegQuality = 0;
break;
case 'm':
case 'M':
ProofingIntent = atoi(xoptarg);
if (ProofingIntent > 3) ProofingIntent = 3;
if (ProofingIntent < 0) ProofingIntent = 0;
break;
case 's':
case 'S': SaveEmbedded = xoptarg;
break;
default:
FatalError("Unknown option - run without args to see valid ones");
}
}
}
// The main sink
int main(int argc, char* argv[])
{
char *Intents[] = {"perceptual",
"relative colorimetric",
"saturation",
"absolute colorimetric" };
HandleSwitches(argc, argv);
cmsSetErrorHandler(MyErrorHandler);
if ((argc - xoptind) != 2) {
Help(0);
}
if (Verbose) {
if (lIsDeviceLink)
fprintf(stdout, "%s(device link) -> %s [%s]",
argv[xoptind],
argv[xoptind+1],
Intents[Intent]);
else
fprintf(stdout, "%s(%s) -> %s(%s) [%s]", argv[xoptind],
(cInpProf == NULL ? "sRGB": cInpProf),
argv[xoptind+1],
(cOutProf == NULL ? "sRGB" : cOutProf),
Intents[Intent]);
}
OpenInput(argv[xoptind]);
OpenOutput(argv[xoptind+1]);
TransformImage(cInpProf, cOutProf);
if (Verbose) fprintf(stdout, "\n");
Done();
return 0;
}