color-profile.cpp revision 713ffe6438216a16f37590dfcb78715b42906843
#include "xml/repr.h"
#include "color-profile.h"
#include "color-profile-fns.h"
#include "attributes.h"
#include "inkscape.h"
#include "document.h"
#include "prefs-utils.h"
#include "dom/uri.h"
//#define DEBUG_LCMS
#include <glib/gstdio.h>
#include <sys/fcntl.h>
#include <gdkmm/color.h>
#ifdef DEBUG_LCMS
#include <gtk/gtkmessagedialog.h>
#endif // DEBUG_LCMS
using Inkscape::ColorProfile;
using Inkscape::ColorProfileClass;
namespace Inkscape
{
#if ENABLE_LCMS
static cmsHPROFILE colorprofile_get_system_profile_handle();
static cmsHPROFILE colorprofile_get_proof_profile_handle();
#endif // ENABLE_LCMS
}
#ifdef DEBUG_LCMS
extern guint update_in_progress;
#define DEBUG_MESSAGE(key, ...) \
{\
gint dump = prefs_get_int_attribute_limited("options.scislac", #key, 0, 0, 1);\
gint dumpD = prefs_get_int_attribute_limited("options.scislac", #key"D", 0, 0, 1);\
gint dumpD2 = prefs_get_int_attribute_limited("options.scislac", #key"D2", 0, 0, 1);\
dumpD &= ( (update_in_progress == 0) || dumpD2 );\
if ( dump )\
{\
g_message( __VA_ARGS__ );\
\
}\
if ( dumpD )\
{\
GtkWidget *dialog = gtk_message_dialog_new(NULL,\
GTK_DIALOG_DESTROY_WITH_PARENT, \
GTK_MESSAGE_INFO, \
GTK_BUTTONS_OK, \
__VA_ARGS__ \
);\
g_signal_connect_swapped(dialog, "response",\
G_CALLBACK(gtk_widget_destroy), \
dialog); \
gtk_widget_show_all( dialog );\
}\
}
#endif // DEBUG_LCMS
static SPObjectClass *cprof_parent_class;
#if ENABLE_LCMS
cmsHPROFILE ColorProfile::_sRGBProf = 0;
cmsHPROFILE ColorProfile::getSRGBProfile() {
if ( !_sRGBProf ) {
_sRGBProf = cmsCreate_sRGBProfile();
}
return _sRGBProf;
}
#endif // ENABLE_LCMS
/**
* Register ColorProfile class and return its type.
*/
GType Inkscape::colorprofile_get_type()
{
return ColorProfile::getType();
}
GType ColorProfile::getType()
{
static GType type = 0;
if (!type) {
GTypeInfo info = {
sizeof(ColorProfileClass),
NULL, NULL,
(GClassInitFunc) ColorProfile::classInit,
NULL, NULL,
sizeof(ColorProfile),
16,
(GInstanceInitFunc) ColorProfile::init,
NULL, /* value_table */
};
type = g_type_register_static( SP_TYPE_OBJECT, "ColorProfile", &info, static_cast<GTypeFlags>(0) );
}
return type;
}
/**
* ColorProfile vtable initialization.
*/
void ColorProfile::classInit( ColorProfileClass *klass )
{
SPObjectClass *sp_object_class = reinterpret_cast<SPObjectClass *>(klass);
cprof_parent_class = static_cast<SPObjectClass*>(g_type_class_ref(SP_TYPE_OBJECT));
sp_object_class->release = ColorProfile::release;
sp_object_class->build = ColorProfile::build;
sp_object_class->set = ColorProfile::set;
sp_object_class->write = ColorProfile::write;
}
/**
* Callback for ColorProfile object initialization.
*/
void ColorProfile::init( ColorProfile *cprof )
{
cprof->href = 0;
cprof->local = 0;
cprof->name = 0;
cprof->intentStr = 0;
cprof->rendering_intent = Inkscape::RENDERING_INTENT_UNKNOWN;
#if ENABLE_LCMS
cprof->profHandle = 0;
cprof->_profileClass = icSigInputClass;
cprof->_profileSpace = icSigRgbData;
cprof->_transf = 0;
cprof->_revTransf = 0;
#endif // ENABLE_LCMS
}
/**
* Callback: free object
*/
void ColorProfile::release( SPObject *object )
{
// Unregister ourselves
SPDocument* document = SP_OBJECT_DOCUMENT(object);
if ( document ) {
sp_document_remove_resource (SP_OBJECT_DOCUMENT (object), "iccprofile", SP_OBJECT (object));
}
ColorProfile *cprof = COLORPROFILE(object);
if ( cprof->href ) {
g_free( cprof->href );
cprof->href = 0;
}
if ( cprof->local ) {
g_free( cprof->local );
cprof->local = 0;
}
if ( cprof->name ) {
g_free( cprof->name );
cprof->name = 0;
}
if ( cprof->intentStr ) {
g_free( cprof->intentStr );
cprof->intentStr = 0;
}
#if ENABLE_LCMS
cprof->_clearProfile();
#endif // ENABLE_LCMS
}
#if ENABLE_LCMS
void ColorProfile::_clearProfile()
{
_profileSpace = icSigRgbData;
if ( _transf ) {
cmsDeleteTransform( _transf );
_transf = 0;
}
if ( _revTransf ) {
cmsDeleteTransform( _revTransf );
_revTransf = 0;
}
if ( profHandle ) {
cmsCloseProfile( profHandle );
profHandle = 0;
}
}
#endif // ENABLE_LCMS
/**
* Callback: set attributes from associated repr.
*/
void ColorProfile::build( SPObject *object, SPDocument *document, Inkscape::XML::Node *repr )
{
ColorProfile *cprof = COLORPROFILE(object);
g_assert(cprof->href == 0);
g_assert(cprof->local == 0);
g_assert(cprof->name == 0);
g_assert(cprof->intentStr == 0);
if (cprof_parent_class->build) {
(* cprof_parent_class->build)(object, document, repr);
}
sp_object_read_attr( object, "xlink:href" );
sp_object_read_attr( object, "local" );
sp_object_read_attr( object, "name" );
sp_object_read_attr( object, "rendering-intent" );
// Register
if ( document ) {
sp_document_add_resource( document, "iccprofile", object );
}
}
/**
* Callback: set attribute.
*/
void ColorProfile::set( SPObject *object, unsigned key, gchar const *value )
{
ColorProfile *cprof = COLORPROFILE(object);
switch (key) {
case SP_ATTR_XLINK_HREF:
if ( cprof->href ) {
g_free( cprof->href );
cprof->href = 0;
}
if ( value ) {
cprof->href = g_strdup( value );
if ( *cprof->href ) {
#if ENABLE_LCMS
cmsErrorAction( LCMS_ERROR_SHOW );
// TODO open filename and URIs properly
//FILE* fp = fopen_utf8name( filename, "r" );
//LCMSAPI cmsHPROFILE LCMSEXPORT cmsOpenProfileFromMem(LPVOID MemPtr, DWORD dwSize);
// Try to open relative
SPDocument *doc = SP_OBJECT_DOCUMENT(object);
if (!doc) {
doc = SP_ACTIVE_DOCUMENT;
g_warning("object has no document. using active");
}
//# 1. Get complete URI of document
gchar const *docbase = SP_DOCUMENT_URI( doc );
if (!docbase)
{
g_warning("null docbase");
docbase = "";
}
//g_message("docbase:%s\n", docbase);
org::w3c::dom::URI docUri(docbase);
//# 2. Get href of icc file. we don't care if it's rel or abs
org::w3c::dom::URI hrefUri(cprof->href);
//# 3. Resolve the href according the docBase. This follows
// the w3c specs. All absolute and relative issues are considered
org::w3c::dom::URI cprofUri = docUri.resolve(hrefUri);
gchar* fullname = (gchar *)cprofUri.getNativePath().c_str();
cprof->_clearProfile();
cprof->profHandle = cmsOpenProfileFromFile( fullname, "r" );
if ( cprof->profHandle ) {
cprof->_profileSpace = cmsGetColorSpace( cprof->profHandle );
cprof->_profileClass = cmsGetDeviceClass( cprof->profHandle );
}
#ifdef DEBUG_LCMS
DEBUG_MESSAGE( lcmsOne, "cmsOpenProfileFromFile( '%s'...) = %p", fullname, (void*)cprof->profHandle );
#endif // DEBUG_LCMS
#endif // ENABLE_LCMS
}
}
object->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_LOCAL:
if ( cprof->local ) {
g_free( cprof->local );
cprof->local = 0;
}
cprof->local = g_strdup( value );
object->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_NAME:
if ( cprof->name ) {
g_free( cprof->name );
cprof->name = 0;
}
cprof->name = g_strdup( value );
#ifdef DEBUG_LCMS
DEBUG_MESSAGE( lcmsTwo, "<color-profile> name set to '%s'", cprof->name );
#endif // DEBUG_LCMS
object->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_RENDERING_INTENT:
if ( cprof->intentStr ) {
g_free( cprof->intentStr );
cprof->intentStr = 0;
}
cprof->intentStr = g_strdup( value );
if ( value ) {
if ( strcmp( value, "auto" ) == 0 ) {
cprof->rendering_intent = RENDERING_INTENT_AUTO;
} else if ( strcmp( value, "perceptual" ) == 0 ) {
cprof->rendering_intent = RENDERING_INTENT_PERCEPTUAL;
} else if ( strcmp( value, "relative-colorimetric" ) == 0 ) {
cprof->rendering_intent = RENDERING_INTENT_RELATIVE_COLORIMETRIC;
} else if ( strcmp( value, "saturation" ) == 0 ) {
cprof->rendering_intent = RENDERING_INTENT_SATURATION;
} else if ( strcmp( value, "absolute-colorimetric" ) == 0 ) {
cprof->rendering_intent = RENDERING_INTENT_ABSOLUTE_COLORIMETRIC;
} else {
cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
}
} else {
cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
}
object->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
default:
if (cprof_parent_class->set) {
(* cprof_parent_class->set)(object, key, value);
}
break;
}
}
/**
* Callback: write attributes to associated repr.
*/
Inkscape::XML::Node* ColorProfile::write( SPObject *object, Inkscape::XML::Node *repr, guint flags )
{
ColorProfile *cprof = COLORPROFILE(object);
if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
repr = xml_doc->createElement("svg:color-profile");
}
if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->href ) {
repr->setAttribute( "xlink:href", cprof->href );
}
if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->local ) {
repr->setAttribute( "local", cprof->local );
}
if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->name ) {
repr->setAttribute( "name", cprof->name );
}
if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->intentStr ) {
repr->setAttribute( "rendering-intent", cprof->intentStr );
}
if (cprof_parent_class->write) {
(* cprof_parent_class->write)(object, repr, flags);
}
return repr;
}
#if ENABLE_LCMS
struct MapMap {
icColorSpaceSignature space;
DWORD inForm;
};
DWORD ColorProfile::_getInputFormat( icColorSpaceSignature space )
{
MapMap possible[] = {
{icSigXYZData, TYPE_XYZ_16},
{icSigLabData, TYPE_Lab_16},
//icSigLuvData
{icSigYCbCrData, TYPE_YCbCr_16},
{icSigYxyData, TYPE_Yxy_16},
{icSigRgbData, TYPE_RGB_16},
{icSigGrayData, TYPE_GRAY_16},
{icSigHsvData, TYPE_HSV_16},
{icSigHlsData, TYPE_HLS_16},
{icSigCmykData, TYPE_CMYK_16},
{icSigCmyData, TYPE_CMY_16},
};
int index = 0;
for ( guint i = 0; i < G_N_ELEMENTS(possible); i++ ) {
if ( possible[i].space == space ) {
index = i;
break;
}
}
return possible[index].inForm;
}
static int getLcmsIntent( guint svgIntent )
{
int intent = INTENT_PERCEPTUAL;
switch ( svgIntent ) {
case Inkscape::RENDERING_INTENT_RELATIVE_COLORIMETRIC:
intent = INTENT_RELATIVE_COLORIMETRIC;
break;
case Inkscape::RENDERING_INTENT_SATURATION:
intent = INTENT_SATURATION;
break;
case Inkscape::RENDERING_INTENT_ABSOLUTE_COLORIMETRIC:
intent = INTENT_ABSOLUTE_COLORIMETRIC;
break;
case Inkscape::RENDERING_INTENT_PERCEPTUAL:
case Inkscape::RENDERING_INTENT_UNKNOWN:
case Inkscape::RENDERING_INTENT_AUTO:
default:
intent = INTENT_PERCEPTUAL;
}
return intent;
}
static SPObject* bruteFind( SPDocument* document, gchar const* name )
{
SPObject* result = 0;
const GSList * current = sp_document_get_resource_list(document, "iccprofile");
while ( current && !result ) {
if ( IS_COLORPROFILE(current->data) ) {
ColorProfile* prof = COLORPROFILE(current->data);
if ( prof ) {
if ( prof->name && (strcmp(prof->name, name) == 0) ) {
result = SP_OBJECT(current->data);
break;
}
}
}
current = g_slist_next(current);
}
return result;
}
cmsHPROFILE Inkscape::colorprofile_get_handle( SPDocument* document, guint* intent, gchar const* name )
{
cmsHPROFILE prof = 0;
SPObject* thing = bruteFind( document, name );
if ( thing ) {
prof = COLORPROFILE(thing)->profHandle;
}
if ( intent ) {
*intent = thing ? COLORPROFILE(thing)->rendering_intent : (guint)RENDERING_INTENT_UNKNOWN;
}
#ifdef DEBUG_LCMS
DEBUG_MESSAGE( lcmsThree, "<color-profile> queried for profile of '%s'. Returning %p with intent of %d", name, prof, (intent? *intent:0) );
#endif // DEBUG_LCMS
return prof;
}
cmsHTRANSFORM ColorProfile::getTransfToSRGB8()
{
if ( !_transf ) {
int intent = getLcmsIntent(rendering_intent);
_transf = cmsCreateTransform( profHandle, _getInputFormat(_profileSpace), getSRGBProfile(), TYPE_RGBA_8, intent, 0 );
}
return _transf;
}
cmsHTRANSFORM ColorProfile::getTransfFromSRGB8()
{
if ( !_revTransf ) {
int intent = getLcmsIntent(rendering_intent);
_revTransf = cmsCreateTransform( getSRGBProfile(), TYPE_RGBA_8, profHandle, _getInputFormat(_profileSpace), intent, 0 );
}
return _revTransf;
}
#include <io/sys.h>
class ProfileInfo
{
public:
ProfileInfo( cmsHPROFILE, Glib::ustring const & path );
Glib::ustring const& getName() {return _name;}
Glib::ustring const& getPath() {return _path;}
icColorSpaceSignature getSpace() {return _profileSpace;}
icProfileClassSignature getClass() {return _profileClass;}
private:
Glib::ustring _path;
Glib::ustring _name;
icColorSpaceSignature _profileSpace;
icProfileClassSignature _profileClass;
};
ProfileInfo::ProfileInfo( cmsHPROFILE prof, Glib::ustring const & path )
{
_path = path;
_name = cmsTakeProductDesc(prof);
_profileSpace = cmsGetColorSpace( prof );
_profileClass = cmsGetDeviceClass( prof );
}
static std::vector<ProfileInfo> knownProfiles;
std::vector<Glib::ustring> Inkscape::colorprofile_get_display_names()
{
std::vector<Glib::ustring> result;
for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
if ( it->getClass() == icSigDisplayClass && it->getSpace() == icSigRgbData ) {
result.push_back( it->getName() );
}
}
return result;
}
std::vector<Glib::ustring> Inkscape::colorprofile_get_softproof_names()
{
std::vector<Glib::ustring> result;
for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
if ( it->getClass() == icSigOutputClass ) {
result.push_back( it->getName() );
}
}
return result;
}
Glib::ustring Inkscape::get_path_for_profile(Glib::ustring const& name)
{
Glib::ustring result;
for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
if ( name == it->getName() ) {
result = it->getPath();
break;
}
}
return result;
}
static void findThings() {
std::list<gchar *> sources;
gchar* base = profile_path("XXX");
{
gchar* base2 = g_path_get_dirname(base);
g_free(base);
base = base2;
base2 = g_path_get_dirname(base);
g_free(base);
base = base2;
}
// first try user's local dir
sources.push_back( g_build_filename(g_get_user_data_dir(), "color", "icc", NULL) );
sources.push_back( g_build_filename(base, ".color", "icc", NULL) ); // OpenICC recommends to deprecate this
const gchar* const * dataDirs = g_get_system_data_dirs();
for ( int i = 0; dataDirs[i]; i++ ) {
sources.push_back(g_build_filename(dataDirs[i], "color", "icc", NULL));
}
while (!sources.empty()) {
gchar *dirname = sources.front();
if ( g_file_test( dirname, G_FILE_TEST_EXISTS ) && g_file_test( dirname, G_FILE_TEST_IS_DIR ) ) {
GError *err = 0;
GDir *dir = g_dir_open(dirname, 0, &err);
if (dir) {
for (gchar const *file = g_dir_read_name(dir); file != NULL; file = g_dir_read_name(dir)) {
gchar *filepath = g_build_filename(dirname, file, NULL);
if ( g_file_test( filepath, G_FILE_TEST_IS_DIR ) ) {
sources.push_back(g_strdup(filepath));
} else {
bool isIccFile = false;
struct stat st;
if ( g_stat(filepath, &st) == 0 && (st.st_size > 128) ) {
//0-3 == size
//36-39 == 'acsp' 0x61637370
int fd = g_open( filepath, O_RDONLY, S_IRWXU);
if ( fd != -1 ) {
guchar scratch[40] = {0};
size_t len = sizeof(scratch);
//size_t left = 40;
ssize_t got = read(fd, scratch, len);
if ( got != -1 ) {
size_t calcSize = (scratch[0] << 24) | (scratch[1] << 16) | (scratch[2] << 8) | scratch[3];
if ( calcSize > 128 && calcSize <= st.st_size ) {
isIccFile = (scratch[36] == 'a') && (scratch[37] == 'c') && (scratch[38] == 's') && (scratch[39] == 'p');
}
}
close(fd);
}
}
if ( isIccFile ) {
cmsHPROFILE prof = cmsOpenProfileFromFile( filepath, "r" );
if ( prof ) {
ProfileInfo info( prof, Glib::filename_to_utf8( filepath ) );
cmsCloseProfile( prof );
bool sameName = false;
for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
if ( it->getName() == info.getName() ) {
sameName = true;
break;
}
}
if ( !sameName ) {
knownProfiles.push_back(info);
}
}
}
}
g_free(filepath);
}
}
}
// toss the dirname
g_free(dirname);
sources.pop_front();
}
}
int errorHandlerCB(int ErrorCode, const char *ErrorText)
{
g_message("lcms: Error %d; %s", ErrorCode, ErrorText);
return 1;
}
static bool gamutWarn = false;
static Gdk::Color lastGamutColor("#808080");
static bool lastBPC = false;
#if defined(cmsFLAGS_PRESERVEBLACK)
static bool lastPreserveBlack = false;
#endif // defined(cmsFLAGS_PRESERVEBLACK)
static int lastIntent = INTENT_PERCEPTUAL;
static int lastProofIntent = INTENT_PERCEPTUAL;
static cmsHTRANSFORM transf = 0;
cmsHPROFILE Inkscape::colorprofile_get_system_profile_handle()
{
static cmsHPROFILE theOne = 0;
static std::string lastURI;
static bool init = false;
if ( !init ) {
cmsSetErrorHandler(errorHandlerCB);
findThings();
init = true;
}
gchar const * uri = prefs_get_string_attribute("options.displayprofile", "uri");
if ( uri && *uri ) {
if ( lastURI != std::string(uri) ) {
lastURI.clear();
if ( theOne ) {
cmsCloseProfile( theOne );
}
if ( transf ) {
cmsDeleteTransform( transf );
transf = 0;
}
theOne = cmsOpenProfileFromFile( uri, "r" );
if ( theOne ) {
// a display profile must have the proper stuff
icColorSpaceSignature space = cmsGetColorSpace(theOne);
icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
if ( profClass != icSigDisplayClass ) {
g_warning("Not a display profile");
cmsCloseProfile( theOne );
theOne = 0;
} else if ( space != icSigRgbData ) {
g_warning("Not an RGB profile");
cmsCloseProfile( theOne );
theOne = 0;
} else {
lastURI = uri;
}
}
}
} else if ( theOne ) {
cmsCloseProfile( theOne );
theOne = 0;
lastURI.clear();
if ( transf ) {
cmsDeleteTransform( transf );
transf = 0;
}
}
return theOne;
}
cmsHPROFILE Inkscape::colorprofile_get_proof_profile_handle()
{
static cmsHPROFILE theOne = 0;
static std::string lastURI;
static bool init = false;
if ( !init ) {
cmsSetErrorHandler(errorHandlerCB);
findThings();
init = true;
}
long long int which = prefs_get_int_attribute_limited( "options.softproof", "enable", 0, 0, 1 );
gchar const * uri = prefs_get_string_attribute("options.softproof", "uri");
if ( which && uri && *uri ) {
if ( lastURI != std::string(uri) ) {
lastURI.clear();
if ( theOne ) {
cmsCloseProfile( theOne );
}
if ( transf ) {
cmsDeleteTransform( transf );
transf = 0;
}
theOne = cmsOpenProfileFromFile( uri, "r" );
if ( theOne ) {
// a display profile must have the proper stuff
icColorSpaceSignature space = cmsGetColorSpace(theOne);
icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
(void)space;
(void)profClass;
/*
if ( profClass != icSigDisplayClass ) {
g_warning("Not a display profile");
cmsCloseProfile( theOne );
theOne = 0;
} else if ( space != icSigRgbData ) {
g_warning("Not an RGB profile");
cmsCloseProfile( theOne );
theOne = 0;
} else {
*/
lastURI = uri;
/*
}
*/
}
}
} else if ( theOne ) {
cmsCloseProfile( theOne );
theOne = 0;
lastURI.clear();
if ( transf ) {
cmsDeleteTransform( transf );
transf = 0;
}
}
return theOne;
}
cmsHTRANSFORM Inkscape::colorprofile_get_display_transform()
{
bool warn = prefs_get_int_attribute_limited( "options.softproof", "gamutwarn", 0, 0, 1 );
int intent = prefs_get_int_attribute_limited( "options.displayprofile", "intent", 0, 0, 3 );
int proofIntent = prefs_get_int_attribute_limited( "options.softproof", "intent", 0, 0, 3 );
bool bpc = prefs_get_int_attribute_limited( "options.softproof", "bpc", 0, 0, 1 );
#if defined(cmsFLAGS_PRESERVEBLACK)
bool preserveBlack = prefs_get_int_attribute_limited( "options.softproof", "preserveblack", 0, 0, 1 );
#endif //defined(cmsFLAGS_PRESERVEBLACK)
gchar const* colorStr = prefs_get_string_attribute("options.softproof", "gamutcolor");
Gdk::Color gamutColor( (colorStr && colorStr[0]) ? colorStr : "#808080");
if ( (warn != gamutWarn)
|| (lastIntent != intent)
|| (lastProofIntent != proofIntent)
|| (bpc != lastBPC)
#if defined(cmsFLAGS_PRESERVEBLACK)
|| (preserveBlack != lastPreserveBlack)
#endif // defined(cmsFLAGS_PRESERVEBLACK)
|| (gamutColor != lastGamutColor)
) {
gamutWarn = warn;
if ( transf ) {
cmsDeleteTransform(transf);
transf = 0;
}
lastIntent = intent;
lastProofIntent = proofIntent;
lastBPC = bpc;
#if defined(cmsFLAGS_PRESERVEBLACK)
lastPreserveBlack = preserveBlack;
#endif // defined(cmsFLAGS_PRESERVEBLACK)
lastGamutColor = gamutColor;
}
// Fetch these now, as they might clear the transform as a side effect.
cmsHPROFILE hprof = Inkscape::colorprofile_get_system_profile_handle();
cmsHPROFILE proofProf = hprof ? Inkscape::colorprofile_get_proof_profile_handle() : 0;
if ( !transf ) {
if ( hprof && proofProf ) {
DWORD dwFlags = cmsFLAGS_SOFTPROOFING;
if ( gamutWarn ) {
dwFlags |= cmsFLAGS_GAMUTCHECK;
cmsSetAlarmCodes(gamutColor.get_red() >> 8, gamutColor.get_green() >> 8, gamutColor.get_blue() >> 8);
}
if ( bpc ) {
dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
#if defined(cmsFLAGS_PRESERVEBLACK)
if ( preserveBlack ) {
dwFlags |= cmsFLAGS_PRESERVEBLACK;
}
#endif // defined(cmsFLAGS_PRESERVEBLACK)
transf = cmsCreateProofingTransform( ColorProfile::getSRGBProfile(), TYPE_RGB_8, hprof, TYPE_RGB_8, proofProf, intent, proofIntent, dwFlags );
} else if ( hprof ) {
transf = cmsCreateTransform( ColorProfile::getSRGBProfile(), TYPE_RGB_8, hprof, TYPE_RGB_8, intent, 0 );
}
}
return transf;
}
#endif // ENABLE_LCMS
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :