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eBookReaderSwitch/mupdf/thirdparty/lcms2/utils/tificc/tificc.c

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//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2017 Marti Maria Saguer
//
// Permission is hereby granted, free 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) TIFF files
#include "lcms2mt_plugin.h"
#include "tiffio.h"
#include "utils.h"
// Flags
static cmsBool BlackWhiteCompensation = FALSE;
static cmsBool IgnoreEmbedded = FALSE;
static cmsBool EmbedProfile = FALSE;
static int Width = 8;
static cmsBool GamutCheck = FALSE;
static cmsBool lIsDeviceLink = FALSE;
static cmsBool StoreAsAlpha = FALSE;
static int Intent = INTENT_PERCEPTUAL;
static int ProofingIntent = INTENT_PERCEPTUAL;
static int PrecalcMode = 1;
static cmsFloat64Number InkLimit = 400;
static cmsFloat64Number ObserverAdaptationState = 1.0; // According ICC 4.3 this is the default
static const char *cInpProf = NULL;
static const char *cOutProf = NULL;
static const char *cProofing = NULL;
static const char* SaveEmbedded = NULL;
// Console error & warning
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);
fflush(stderr);
}
}
static
void ConsoleErrorHandler(const char* module, const char* fmt, va_list ap)
{
char e[512] = { '\0' };
if (module != NULL) {
if (strlen(module) < 500)
strcat(strcpy(e, module), ": ");
}
vsprintf(e+strlen(e), fmt, ap);
strcat(e, ".");
fprintf(stderr, "\nError");
fprintf(stderr, " %s\n", e);
fflush(stderr);
}
// Issue a warning
static
void Warning(const char *frm, ...)
{
va_list args;
va_start(args, frm);
ConsoleWarningHandler("[tificc]", frm, args);
va_end(args);
}
// Out of mememory is a fatal error
static
void OutOfMem(cmsUInt32Number size)
{
FatalError("Out of memory on allocating %d bytes.", size);
}
// -----------------------------------------------------------------------------------------------
// In TIFF, Lab is encoded in a different way, so let's use the plug-in
// capabilities of lcms2 to change the meaning of TYPE_Lab_8.
// * 0xffff / 0xff00 = (255 * 257) / (255 * 256) = 257 / 256
static int FromLabV2ToLabV4(int x)
{
int a;
a = ((x << 8) | x) >> 8; // * 257 / 256
if ( a > 0xffff) return 0xffff;
return a;
}
// * 0xf00 / 0xffff = * 256 / 257
static int FromLabV4ToLabV2(int x)
{
return ((x << 8) + 0x80) / 257;
}
// Formatter for 8bit Lab TIFF (photometric 8)
static
unsigned char* UnrollTIFFLab8(cmsContext ContextID, struct _cmstransform_struct* CMMcargo,
register cmsUInt16Number wIn[],
register cmsUInt8Number* accum,
register cmsUInt32Number Stride)
{
wIn[0] = (cmsUInt16Number) FromLabV2ToLabV4((accum[0]) << 8);
wIn[1] = (cmsUInt16Number) FromLabV2ToLabV4(((accum[1] > 127) ? (accum[1] - 128) : (accum[1] + 128)) << 8);
wIn[2] = (cmsUInt16Number) FromLabV2ToLabV4(((accum[2] > 127) ? (accum[2] - 128) : (accum[2] + 128)) << 8);
return accum + 3;
UTILS_UNUSED_PARAMETER(Stride);
UTILS_UNUSED_PARAMETER(CMMcargo);
}
// Formatter for 16bit Lab TIFF (photometric 8)
static
unsigned char* UnrollTIFFLab16(cmsContext ContextID, struct _cmstransform_struct* CMMcargo,
register cmsUInt16Number wIn[],
register cmsUInt8Number* accum,
register cmsUInt32Number Stride )
{
cmsUInt16Number* accum16 = (cmsUInt16Number*) accum;
wIn[0] = (cmsUInt16Number) FromLabV2ToLabV4(accum16[0]);
wIn[1] = (cmsUInt16Number) FromLabV2ToLabV4(((accum16[1] > 0x7f00) ? (accum16[1] - 0x8000) : (accum16[1] + 0x8000)) );
wIn[2] = (cmsUInt16Number) FromLabV2ToLabV4(((accum16[2] > 0x7f00) ? (accum16[2] - 0x8000) : (accum16[2] + 0x8000)) );
return accum + 3 * sizeof(cmsUInt16Number);
UTILS_UNUSED_PARAMETER(Stride);
UTILS_UNUSED_PARAMETER(CMMcargo);
}
static
unsigned char* PackTIFFLab8(cmsContext ContextID, struct _cmstransform_struct* CMMcargo,
register cmsUInt16Number wOut[],
register cmsUInt8Number* output,
register cmsUInt32Number Stride)
{
int a, b;
*output++ = (cmsUInt8Number) (FromLabV4ToLabV2(wOut[0] + 0x0080) >> 8);
a = (FromLabV4ToLabV2(wOut[1]) + 0x0080) >> 8;
b = (FromLabV4ToLabV2(wOut[2]) + 0x0080) >> 8;
*output++ = (cmsUInt8Number) ((a < 128) ? (a + 128) : (a - 128));
*output++ = (cmsUInt8Number) ((b < 128) ? (b + 128) : (b - 128));
return output;
UTILS_UNUSED_PARAMETER(Stride);
UTILS_UNUSED_PARAMETER(CMMcargo);
}
static
unsigned char* PackTIFFLab16(cmsContext ContextID, struct _cmstransform_struct* CMMcargo,
register cmsUInt16Number wOut[],
register cmsUInt8Number* output,
register cmsUInt32Number Stride)
{
int a, b;
cmsUInt16Number* output16 = (cmsUInt16Number*) output;
*output16++ = (cmsUInt16Number) FromLabV4ToLabV2(wOut[0]);
a = FromLabV4ToLabV2(wOut[1]);
b = FromLabV4ToLabV2(wOut[2]);
*output16++ = (cmsUInt16Number) ((a < 0x7f00) ? (a + 0x8000) : (a - 0x8000));
*output16++ = (cmsUInt16Number) ((b < 0x7f00) ? (b + 0x8000) : (b - 0x8000));
return (cmsUInt8Number*) output16;
UTILS_UNUSED_PARAMETER(Stride);
UTILS_UNUSED_PARAMETER(CMMcargo);
}
static
cmsFormatter TiffFormatterFactory(cmsContext ContextID, cmsUInt32Number Type,
cmsFormatterDirection Dir,
cmsUInt32Number dwFlags)
{
cmsFormatter Result = { NULL };
int bps = T_BYTES(Type);
int IsTiffSpecial = (Type >> 23) & 1;
if (IsTiffSpecial && !(dwFlags & CMS_PACK_FLAGS_FLOAT))
{
if (Dir == cmsFormatterInput)
{
Result.Fmt16 = (bps == 1) ? UnrollTIFFLab8 : UnrollTIFFLab16;
}
else
Result.Fmt16 = (bps == 1) ? PackTIFFLab8 : PackTIFFLab16;
}
return Result;
}
static cmsPluginFormatters TiffLabPlugin = { {cmsPluginMagicNumber, 2000, cmsPluginFormattersSig, NULL}, TiffFormatterFactory };
// Build up the pixeltype descriptor
static
cmsUInt32Number GetInputPixelType(TIFF *Bank)
{
uint16 Photometric, bps, spp, extra, PlanarConfig, *info;
uint16 Compression, reverse = 0;
int ColorChannels, IsPlanar = 0, pt = 0, IsFlt;
int labTiffSpecial = FALSE;
TIFFGetField(Bank, TIFFTAG_PHOTOMETRIC, &Photometric);
TIFFGetFieldDefaulted(Bank, TIFFTAG_BITSPERSAMPLE, &bps);
if (bps == 1)
FatalError("Sorry, bilevel TIFFs has nothing to do with ICC profiles");
if (bps != 8 && bps != 16 && bps != 32)
FatalError("Sorry, 8, 16 or 32 bits per sample only");
TIFFGetFieldDefaulted(Bank, TIFFTAG_SAMPLESPERPIXEL, &spp);
TIFFGetFieldDefaulted(Bank, TIFFTAG_PLANARCONFIG, &PlanarConfig);
switch (PlanarConfig) {
case PLANARCONFIG_CONTIG: IsPlanar = 0; break;
case PLANARCONFIG_SEPARATE: IsPlanar = 1; break;
default:
FatalError("Unsupported planar configuration (=%d) ", (int) PlanarConfig);
}
// If Samples per pixel == 1, PlanarConfiguration is irrelevant and need
// not to be included.
if (spp == 1) IsPlanar = 0;
// Any alpha?
TIFFGetFieldDefaulted(Bank, TIFFTAG_EXTRASAMPLES, &extra, &info);
// Read alpha channels as colorant
if (StoreAsAlpha) {
ColorChannels = spp;
extra = 0;
}
else
ColorChannels = spp - extra;
switch (Photometric) {
case PHOTOMETRIC_MINISWHITE:
reverse = 1;
// ... fall through ...
case PHOTOMETRIC_MINISBLACK:
pt = PT_GRAY;
break;
case PHOTOMETRIC_RGB:
pt = PT_RGB;
break;
case PHOTOMETRIC_PALETTE:
FatalError("Sorry, palette images not supported");
break;
case PHOTOMETRIC_SEPARATED:
pt = PixelTypeFromChanCount(ColorChannels);
break;
case PHOTOMETRIC_YCBCR:
TIFFGetField(Bank, TIFFTAG_COMPRESSION, &Compression);
{
uint16 subx, suby;
pt = PT_YCbCr;
TIFFGetFieldDefaulted(Bank, TIFFTAG_YCBCRSUBSAMPLING, &subx, &suby);
if (subx != 1 || suby != 1)
FatalError("Sorry, subsampled images not supported");
}
break;
case PHOTOMETRIC_ICCLAB:
pt = PT_LabV2;
break;
case PHOTOMETRIC_CIELAB:
pt = PT_Lab;
labTiffSpecial = TRUE;
break;
case PHOTOMETRIC_LOGLUV: // CIE Log2(L) (u',v')
TIFFSetField(Bank, TIFFTAG_SGILOGDATAFMT, SGILOGDATAFMT_16BIT);
pt = PT_YUV; // *ICCSpace = icSigLuvData;
bps = 16; // 16 bits forced by LibTiff
break;
default:
FatalError("Unsupported TIFF color space (Photometric %d)", Photometric);
}
// Convert bits per sample to bytes per sample
bps >>= 3;
IsFlt = (bps == 0) || (bps == 4);
return (FLOAT_SH(IsFlt)|COLORSPACE_SH(pt)|PLANAR_SH(IsPlanar)|EXTRA_SH(extra)|CHANNELS_SH(ColorChannels)|BYTES_SH(bps)|FLAVOR_SH(reverse) | (labTiffSpecial << 23) );
}
// Rearrange pixel type to build output descriptor
static
cmsUInt32Number ComputeOutputFormatDescriptor(cmsUInt32Number dwInput, int OutColorSpace, int bps)
{
int IsPlanar = T_PLANAR(dwInput);
int Channels = ChanCountFromPixelType(OutColorSpace);
int IsFlt = (bps == 0) || (bps == 4);
return (FLOAT_SH(IsFlt)|COLORSPACE_SH(OutColorSpace)|PLANAR_SH(IsPlanar)|CHANNELS_SH(Channels)|BYTES_SH(bps));
}
// Tile based transforms
static
int TileBasedXform(cmsHTRANSFORM hXForm, TIFF* in, TIFF* out, int nPlanes)
{
tsize_t BufSizeIn = TIFFTileSize(in);
tsize_t BufSizeOut = TIFFTileSize(out);
unsigned char *BufferIn, *BufferOut;
ttile_t i, TileCount = TIFFNumberOfTiles(in) / nPlanes;
uint32 tw, tl;
int PixelCount, j;
TIFFGetFieldDefaulted(in, TIFFTAG_TILEWIDTH, &tw);
TIFFGetFieldDefaulted(in, TIFFTAG_TILELENGTH, &tl);
PixelCount = (int) tw * tl;
BufferIn = (unsigned char *) _TIFFmalloc(BufSizeIn * nPlanes);
if (!BufferIn) OutOfMem(BufSizeIn * nPlanes);
BufferOut = (unsigned char *) _TIFFmalloc(BufSizeOut * nPlanes);
if (!BufferOut) OutOfMem(BufSizeOut * nPlanes);
for (i = 0; i < TileCount; i++) {
for (j=0; j < nPlanes; j++) {
if (TIFFReadEncodedTile(in, i + (j* TileCount),
BufferIn + (j*BufSizeIn), BufSizeIn) < 0) goto cleanup;
}
cmsDoTransform(NULL, hXForm, BufferIn, BufferOut, PixelCount);
for (j=0; j < nPlanes; j++) {
if (TIFFWriteEncodedTile(out, i + (j*TileCount),
BufferOut + (j*BufSizeOut), BufSizeOut) < 0) goto cleanup;
}
}
_TIFFfree(BufferIn);
_TIFFfree(BufferOut);
return 1;
cleanup:
_TIFFfree(BufferIn);
_TIFFfree(BufferOut);
return 0;
}
// Strip based transforms
static
int StripBasedXform(cmsHTRANSFORM hXForm, TIFF* in, TIFF* out, int nPlanes)
{
tsize_t BufSizeIn = TIFFStripSize(in);
tsize_t BufSizeOut = TIFFStripSize(out);
unsigned char *BufferIn, *BufferOut;
ttile_t i, StripCount = TIFFNumberOfStrips(in) / nPlanes;
uint32 sw;
uint32 sl;
uint32 iml;
int j;
int PixelCount;
TIFFGetFieldDefaulted(in, TIFFTAG_IMAGEWIDTH, &sw);
TIFFGetFieldDefaulted(in, TIFFTAG_ROWSPERSTRIP, &sl);
TIFFGetFieldDefaulted(in, TIFFTAG_IMAGELENGTH, &iml);
// It is possible to get infinite rows per strip
if (sl == 0 || sl > iml)
sl = iml; // One strip for whole image
BufferIn = (unsigned char *) _TIFFmalloc(BufSizeIn * nPlanes);
if (!BufferIn) OutOfMem(BufSizeIn * nPlanes);
BufferOut = (unsigned char *) _TIFFmalloc(BufSizeOut * nPlanes);
if (!BufferOut) OutOfMem(BufSizeOut * nPlanes);
for (i = 0; i < StripCount; i++) {
for (j=0; j < nPlanes; j++) {
if (TIFFReadEncodedStrip(in, i + (j * StripCount),
BufferIn + (j * BufSizeIn), BufSizeIn) < 0) goto cleanup;
}
PixelCount = (int) sw * (iml < sl ? iml : sl);
iml -= sl;
cmsDoTransform(NULL, hXForm, BufferIn, BufferOut, PixelCount);
for (j=0; j < nPlanes; j++) {
if (TIFFWriteEncodedStrip(out, i + (j * StripCount),
BufferOut + j * BufSizeOut, BufSizeOut) < 0) goto cleanup;
}
}
_TIFFfree(BufferIn);
_TIFFfree(BufferOut);
return 1;
cleanup:
_TIFFfree(BufferIn);
_TIFFfree(BufferOut);
return 0;
}
// Creates minimum required tags
static
void WriteOutputTags(TIFF *out, int Colorspace, int BytesPerSample)
{
int BitsPerSample = (8 * BytesPerSample);
int nChannels = ChanCountFromPixelType(Colorspace);
uint16 Extra[] = { EXTRASAMPLE_UNASSALPHA,
EXTRASAMPLE_UNASSALPHA,
EXTRASAMPLE_UNASSALPHA,
EXTRASAMPLE_UNASSALPHA,
EXTRASAMPLE_UNASSALPHA,
EXTRASAMPLE_UNASSALPHA,
EXTRASAMPLE_UNASSALPHA,
EXTRASAMPLE_UNASSALPHA,
EXTRASAMPLE_UNASSALPHA,
EXTRASAMPLE_UNASSALPHA,
EXTRASAMPLE_UNASSALPHA
};
switch (Colorspace) {
case PT_GRAY:
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, BitsPerSample);
break;
case PT_RGB:
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 3);
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, BitsPerSample);
break;
case PT_CMY:
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_SEPARATED);
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 3);
TIFFSetField(out, TIFFTAG_INKSET, 2);
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, BitsPerSample);
break;
case PT_CMYK:
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_SEPARATED);
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 4);
TIFFSetField(out, TIFFTAG_INKSET, INKSET_CMYK);
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, BitsPerSample);
break;
case PT_Lab:
if (BitsPerSample == 16)
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, 9);
else
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_CIELAB);
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 3);
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, BitsPerSample); // Needed by TIFF Spec
break;
// Multi-ink separations
case PT_MCH2:
case PT_MCH3:
case PT_MCH4:
case PT_MCH5:
case PT_MCH6:
case PT_MCH7:
case PT_MCH8:
case PT_MCH9:
case PT_MCH10:
case PT_MCH11:
case PT_MCH12:
case PT_MCH13:
case PT_MCH14:
case PT_MCH15:
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_SEPARATED);
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, nChannels);
if (StoreAsAlpha && nChannels >= 4) {
// CMYK plus extra alpha
TIFFSetField(out, TIFFTAG_EXTRASAMPLES, nChannels - 4, Extra);
TIFFSetField(out, TIFFTAG_INKSET, 1);
TIFFSetField(out, TIFFTAG_NUMBEROFINKS, 4);
}
else {
TIFFSetField(out, TIFFTAG_INKSET, 2);
TIFFSetField(out, TIFFTAG_NUMBEROFINKS, nChannels);
}
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, BitsPerSample);
break;
default:
FatalError("Unsupported output colorspace");
}
if (Width == 32)
TIFFSetField(out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP);
}
// Copies a bunch of tages
static
void CopyOtherTags(TIFF* in, TIFF* out)
{
#define CopyField(tag, v) \
if (TIFFGetField(in, tag, &v)) TIFFSetField(out, tag, v)
short shortv;
uint32 ow, ol;
cmsFloat32Number floatv;
char *stringv;
uint32 longv;
CopyField(TIFFTAG_SUBFILETYPE, longv);
TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &ow);
TIFFGetField(in, TIFFTAG_IMAGELENGTH, &ol);
TIFFSetField(out, TIFFTAG_IMAGEWIDTH, ow);
TIFFSetField(out, TIFFTAG_IMAGELENGTH, ol);
CopyField(TIFFTAG_PLANARCONFIG, shortv);
CopyField(TIFFTAG_COMPRESSION, shortv);
if (Width != 32)
CopyField(TIFFTAG_PREDICTOR, shortv);
CopyField(TIFFTAG_THRESHHOLDING, shortv);
CopyField(TIFFTAG_FILLORDER, shortv);
CopyField(TIFFTAG_ORIENTATION, shortv);
CopyField(TIFFTAG_MINSAMPLEVALUE, shortv);
CopyField(TIFFTAG_MAXSAMPLEVALUE, shortv);
CopyField(TIFFTAG_XRESOLUTION, floatv);
CopyField(TIFFTAG_YRESOLUTION, floatv);
CopyField(TIFFTAG_RESOLUTIONUNIT, shortv);
CopyField(TIFFTAG_ROWSPERSTRIP, longv);
CopyField(TIFFTAG_XPOSITION, floatv);
CopyField(TIFFTAG_YPOSITION, floatv);
CopyField(TIFFTAG_IMAGEDEPTH, longv);
CopyField(TIFFTAG_TILEDEPTH, longv);
CopyField(TIFFTAG_TILEWIDTH, longv);
CopyField(TIFFTAG_TILELENGTH, longv);
CopyField(TIFFTAG_ARTIST, stringv);
CopyField(TIFFTAG_IMAGEDESCRIPTION, stringv);
CopyField(TIFFTAG_MAKE, stringv);
CopyField(TIFFTAG_MODEL, stringv);
CopyField(TIFFTAG_DATETIME, stringv);
CopyField(TIFFTAG_HOSTCOMPUTER, stringv);
CopyField(TIFFTAG_PAGENAME, stringv);
CopyField(TIFFTAG_DOCUMENTNAME, stringv);
}
// A replacement for (the nonstandard) filelength
static
void DoEmbedProfile(TIFF* Out, const char* ProfileFile)
{
FILE* f;
cmsInt32Number size;
cmsUInt32Number EmbedLen;
cmsUInt8Number* EmbedBuffer;
f = fopen(ProfileFile, "rb");
if (f == NULL) return;
size = cmsfilelength(f);
if (size < 0) return;
EmbedBuffer = (cmsUInt8Number*) malloc(size + 1);
if (EmbedBuffer == NULL) {
OutOfMem(size+1);
return;
}
EmbedLen = (cmsUInt32Number) fread(EmbedBuffer, 1, (size_t) size, f);
if (EmbedLen != size)
FatalError("Cannot read %ld bytes to %s", size, ProfileFile);
fclose(f);
EmbedBuffer[EmbedLen] = 0;
TIFFSetField(Out, TIFFTAG_ICCPROFILE, EmbedLen, EmbedBuffer);
free(EmbedBuffer);
}
static
cmsHPROFILE GetTIFFProfile(TIFF* in)
{
cmsCIExyYTRIPLE Primaries;
cmsFloat32Number* chr;
cmsCIExyY WhitePoint;
cmsFloat32Number* wp;
int i;
cmsToneCurve* Curve[3];
cmsUInt16Number *gmr, *gmg, *gmb;
cmsHPROFILE hProfile;
cmsUInt32Number EmbedLen;
cmsUInt8Number* EmbedBuffer;
if (IgnoreEmbedded) return NULL;
if (TIFFGetField(in, TIFFTAG_ICCPROFILE, &EmbedLen, &EmbedBuffer)) {
hProfile = cmsOpenProfileFromMem(EmbedBuffer, EmbedLen);
// Print description found in the profile
if (Verbose && (hProfile != NULL)) {
fprintf(stdout, "\n[Embedded profile]\n");
PrintProfileInformation(NULL, hProfile);
fflush(stdout);
}
if (hProfile != NULL && SaveEmbedded != NULL)
SaveMemoryBlock(EmbedBuffer, EmbedLen, SaveEmbedded);
if (hProfile) return hProfile;
}
// Try to see if "colorimetric" tiff
if (TIFFGetField(in, TIFFTAG_PRIMARYCHROMATICITIES, &chr)) {
Primaries.Red.x = chr[0];
Primaries.Red.y = chr[1];
Primaries.Green.x = chr[2];
Primaries.Green.y = chr[3];
Primaries.Blue.x = chr[4];
Primaries.Blue.y = chr[5];
Primaries.Red.Y = Primaries.Green.Y = Primaries.Blue.Y = 1.0;
if (TIFFGetField(in, TIFFTAG_WHITEPOINT, &wp)) {
WhitePoint.x = wp[0];
WhitePoint.y = wp[1];
WhitePoint.Y = 1.0;
// Transferfunction is a bit harder....
TIFFGetFieldDefaulted(in, TIFFTAG_TRANSFERFUNCTION,
&gmr,
&gmg,
&gmb);
Curve[0] = cmsBuildTabulatedToneCurve16(NULL, 256, gmr);
Curve[1] = cmsBuildTabulatedToneCurve16(NULL, 256, gmg);
Curve[2] = cmsBuildTabulatedToneCurve16(NULL, 256, gmb);
hProfile = cmsCreateRGBProfileTHR(NULL, &WhitePoint, &Primaries, Curve);
for (i=0; i < 3; i++)
cmsFreeToneCurve(NULL, Curve[i]);
if (Verbose) {
fprintf(stdout, "\n[Colorimetric TIFF]\n");
}
return hProfile;
}
}
return NULL;
}
// Transform one image
static
int TransformImage(TIFF* in, TIFF* out, const char *cDefInpProf)
{
cmsHPROFILE hIn, hOut, hProof, hInkLimit = NULL;
cmsHTRANSFORM xform;
cmsUInt32Number wInput, wOutput;
int OutputColorSpace;
int bps = Width / 8;
cmsUInt32Number dwFlags = 0;
int nPlanes;
// Observer adaptation state (only meaningful on absolute colorimetric intent)
cmsSetAdaptationState(ObserverAdaptationState);
if (EmbedProfile && cOutProf)
DoEmbedProfile(out, cOutProf);
if (BlackWhiteCompensation)
dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
switch (PrecalcMode) {
case 0: dwFlags |= cmsFLAGS_NOOPTIMIZE; break;
case 2: dwFlags |= cmsFLAGS_HIGHRESPRECALC; break;
case 3: dwFlags |= cmsFLAGS_LOWRESPRECALC; break;
case 1: break;
default: FatalError("Unknown precalculation mode '%d'", PrecalcMode);
}
if (GamutCheck)
dwFlags |= cmsFLAGS_GAMUTCHECK;
hProof = NULL;
hOut = NULL;
if (lIsDeviceLink) {
hIn = cmsOpenProfileFromFile(cDefInpProf, "r");
}
else {
hIn = GetTIFFProfile(in);
if (hIn == NULL)
hIn = OpenStockProfile(NULL, cDefInpProf);
hOut = OpenStockProfile(NULL, cOutProf);
if (cProofing != NULL) {
hProof = OpenStockProfile(NULL, cProofing);
dwFlags |= cmsFLAGS_SOFTPROOFING;
}
}
// Take input color space
wInput = GetInputPixelType(in);
// Assure both, input profile and input TIFF are on same colorspace
if (_cmsLCMScolorSpace(NULL, cmsGetColorSpace(NULL, hIn)) != (int) T_COLORSPACE(wInput))
FatalError("Input profile is not operating in proper color space");
if (!lIsDeviceLink)
OutputColorSpace = _cmsLCMScolorSpace(NULL, cmsGetColorSpace(NULL, hOut));
else
OutputColorSpace = _cmsLCMScolorSpace(NULL, cmsGetPCS(NULL, hIn));
wOutput = ComputeOutputFormatDescriptor(wInput, OutputColorSpace, bps);
WriteOutputTags(out, OutputColorSpace, bps);
CopyOtherTags(in, out);
// Ink limit
if (InkLimit != 400.0 &&
(OutputColorSpace == PT_CMYK || OutputColorSpace == PT_CMY)) {
cmsHPROFILE hProfiles[10];
int nProfiles = 0;
hInkLimit = cmsCreateInkLimitingDeviceLink(cmsGetColorSpace(NULL, hOut), InkLimit);
hProfiles[nProfiles++] = hIn;
if (hProof) {
hProfiles[nProfiles++] = hProof;
hProfiles[nProfiles++] = hProof;
}
hProfiles[nProfiles++] = hOut;
hProfiles[nProfiles++] = hInkLimit;
xform = cmsCreateMultiprofileTransform(hProfiles, nProfiles,
wInput, wOutput, Intent, dwFlags);
}
else {
xform = cmsCreateProofingTransform(hIn, wInput,
hOut, wOutput,
hProof, Intent,
ProofingIntent,
dwFlags);
}
cmsCloseProfile(NULL, hIn);
cmsCloseProfile(NULL, hOut);
if (hInkLimit)
cmsCloseProfile(NULL, hInkLimit);
if (hProof)
cmsCloseProfile(NULL, hProof);
if (xform == NULL) return 0;
// Planar stuff
if (T_PLANAR(wInput))
nPlanes = T_CHANNELS(wInput) + T_EXTRA(wInput);
else
nPlanes = 1;
// Handle tile by tile or strip by strip
if (TIFFIsTiled(in)) {
TileBasedXform(xform, in, out, nPlanes);
}
else {
StripBasedXform(xform, in, out, nPlanes);
}
cmsDeleteTransform(NULL, xform);
TIFFWriteDirectory(out);
return 1;
}
// Print help
static
void Help(int level)
{
fprintf(stderr, "little cms ICC profile applier for TIFF - v6.2 [LittleCMS %2.2f]\n\n", LCMS_VERSION / 1000.0);
fflush(stderr);
switch(level) {
default:
case 0:
fprintf(stderr, "usage: tificc [flags] input.tif output.tif\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, "%cl<profile> - Transform by device-link profile\n", SW);
PrintRenderingIntents(NULL);
fprintf(stderr, "%cb - Black point compensation\n", SW);
fprintf(stderr, "%cd<0..1> - Observer adaptation state (abs.col. only)\n", SW);
fprintf(stderr, "%cc<0,1,2,3> - Precalculates transform (0=Off, 1=Normal, 2=Hi-res, 3=LoRes)\n", SW);
fprintf(stderr, "\n");
fprintf(stderr, "%cw<8,16,32> - Output depth. Use 32 for floating-point\n\n", SW);
fprintf(stderr, "%ca - Handle channels > 4 as alpha\n", SW);
fprintf(stderr, "%cn - Ignore embedded profile on input\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, "%cp<profile> - Soft proof profile\n", SW);
fprintf(stderr, "%cm<n> - Soft proof intent\n", SW);
fprintf(stderr, "%cg - Marks out-of-gamut colors on softproof\n", SW);
fprintf(stderr, "\n");
fprintf(stderr, "%ck<0..400> - Ink-limiting in %% (CMYK only)\n", SW);
fprintf(stderr, "\n");
fprintf(stderr, "%ch<0,1,2,3> - More help\n", SW);
break;
case 1:
fprintf(stderr, "Examples:\n\n"
"To color correct from scanner to sRGB:\n"
"\ttificc %ciscanner.icm in.tif out.tif\n"
"To convert from monitor1 to monitor2:\n"
"\ttificc %cimon1.icm %comon2.icm in.tif out.tif\n"
"To make a CMYK separation:\n"
"\ttificc %coprinter.icm inrgb.tif outcmyk.tif\n"
"To recover sRGB from a CMYK separation:\n"
"\ttificc %ciprinter.icm incmyk.tif outrgb.tif\n"
"To convert from CIELab TIFF to sRGB\n"
"\ttificc %ci*Lab in.tif out.tif\n\n",
SW, SW, SW, SW, SW, SW);
break;
case 2:
PrintBuiltins();
break;
case 3:
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"
"info@littlecms.com\n\n");
break;
}
fflush(stderr);
exit(0);
}
// The toggles stuff
static
void HandleSwitches(int argc, char *argv[])
{
int s;
while ((s=xgetopt(argc,argv,"aAeEbBw:W:nNvVGgh:H:i:I:o:O:P:p:t:T:c:C:l:L:M:m:K:k:S:s:D:d:")) != EOF) {
switch (s) {
case 'a':
case 'A':
StoreAsAlpha = TRUE;
break;
case 'b':
case 'B':
BlackWhiteCompensation = TRUE;
break;
case 'c':
case 'C':
PrecalcMode = atoi(xoptarg);
if (PrecalcMode < 0 || PrecalcMode > 3)
FatalError("Unknown precalc mode '%d'", PrecalcMode);
break;
case 'd':
case 'D': ObserverAdaptationState = atof(xoptarg);
if (ObserverAdaptationState < 0 ||
ObserverAdaptationState > 1.0)
Warning("Adaptation state should be 0..1");
break;
case 'e':
case 'E':
EmbedProfile = TRUE;
break;
case 'g':
case 'G':
GamutCheck = 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':
if (cInpProf != NULL || cOutProf != NULL)
FatalError("input/output profiles already specified");
cInpProf = xoptarg;
lIsDeviceLink = TRUE;
break;
case 'p':
case 'P':
cProofing = xoptarg;
break;
case 't':
case 'T':
Intent = atoi(xoptarg);
break;
case 'm':
case 'M':
ProofingIntent = atoi(xoptarg);
break;
case 'N':
case 'n':
IgnoreEmbedded = TRUE;
break;
case 'W':
case 'w':
Width = atoi(xoptarg);
if (Width != 8 && Width != 16 && Width != 32)
FatalError("Only 8, 16 and 32 bps are supported");
break;
case 'k':
case 'K':
InkLimit = atof(xoptarg);
if (InkLimit < 0.0 || InkLimit > 400.0)
FatalError("Ink limit must be 0%%..400%%");
break;
case 's':
case 'S': SaveEmbedded = xoptarg;
break;
case 'H':
case 'h': {
int a = atoi(xoptarg);
Help(a);
}
break;
default:
FatalError("Unknown option - run without args to see valid ones");
}
}
}
// The main sink
int main(int argc, char* argv[])
{
TIFF *in, *out;
cmsPlugin(&TiffLabPlugin);
InitUtils(NULL, "tificc");
HandleSwitches(argc, argv);
if ((argc - xoptind) != 2) {
Help(0);
}
TIFFSetErrorHandler(ConsoleErrorHandler);
TIFFSetWarningHandler(ConsoleWarningHandler);
in = TIFFOpen(argv[xoptind], "r");
if (in == NULL) FatalError("Unable to open '%s'", argv[xoptind]);
out = TIFFOpen(argv[xoptind+1], "w");
if (out == NULL) {
TIFFClose(in);
FatalError("Unable to write '%s'", argv[xoptind+1]);
}
do {
TransformImage(in, out, cInpProf);
} while (TIFFReadDirectory(in));
if (Verbose) { fprintf(stdout, "\n"); fflush(stdout); }
TIFFClose(in);
TIFFClose(out);
return 0;
}
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