static PyObject *
createProfile(PyObject *self, PyObject *args)
{
char *sColorSpace;
cmsHPROFILE hProfile;
cmsFloat64Number dColorTemp = 0.0;
cmsCIExyY whitePoint;
cmsBool result;
if (!PyArg_ParseTuple(args, "s|d:createProfile", &sColorSpace, &dColorTemp))
return NULL;
if (strcmp(sColorSpace, "LAB") == 0) {
if (dColorTemp > 0.0) {
result = cmsWhitePointFromTemp(&whitePoint, dColorTemp);
if (!result) {
PyErr_SetString(PyExc_ValueError, "ERROR: Could not calculate white point from color temperature provided, must be float in degrees Kelvin");
return NULL;
}
hProfile = cmsCreateLab2Profile(&whitePoint);
} else {
hProfile = cmsCreateLab2Profile(NULL);
}
}
else if (strcmp(sColorSpace, "XYZ") == 0) {
hProfile = cmsCreateXYZProfile();
}
else if (strcmp(sColorSpace, "sRGB") == 0) {
hProfile = cmsCreate_sRGBProfile();
}
else {
hProfile = NULL;
}
if (!hProfile) {
PyErr_SetString(PyExc_ValueError, "failed to create requested color space");
return NULL;
}
return cms_profile_new(hProfile);
}
static void
gcm_cell_renderer_set_color (GcmCellRendererColor *renderer)
{
CdColorRGB8 rgb;
GdkPixbuf *pixbuf = NULL;
gint height = 26; /* TODO: needs to be a property */
gint width = 400; /* TODO: needs to be a property */
gint x, y;
guchar *pixels;
guint pos;
cmsHPROFILE profile_srgb = NULL;
cmsHPROFILE profile_lab = NULL;
cmsHTRANSFORM xform = NULL;
/* nothing set yet */
if (renderer->color == NULL)
goto out;
/* convert the color to sRGB */
profile_lab = cmsCreateLab2Profile (NULL);
profile_srgb = cmsCreate_sRGBProfile ();
xform = cmsCreateTransform (profile_lab, TYPE_Lab_DBL,
profile_srgb, TYPE_RGB_8,
INTENT_ABSOLUTE_COLORIMETRIC, 0);
cmsDoTransform (xform, renderer->color, &rgb, 1);
/* create a pixbuf of the right size */
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, width, height);
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
pixels = gdk_pixbuf_get_pixels (pixbuf);
for (y=0; y<height; y++) {
for (x=0; x<width; x++) {
pos = (y*width+x) * 3;
pixels[pos+0] = rgb.R;
pixels[pos+1] = rgb.G;
pixels[pos+2] = rgb.B;
}
}
out:
g_object_set (renderer, "pixbuf", pixbuf, NULL);
if (profile_srgb != NULL)
cmsCloseProfile (profile_srgb);
if (profile_lab != NULL)
cmsCloseProfile (profile_lab);
if (xform != NULL)
cmsDeleteTransform (xform);
if (pixbuf != NULL)
g_object_unref (pixbuf);
}
ScColorProfile ScLcms2ColorMgmtEngineImpl::createProfile_Lab(ScColorMgmtEngine& engine)
{
QString internalProfilePath("memprofile://Internal Lab profile");
ScColorProfile profile = m_profileCache->profile(internalProfilePath);
if (!profile.isNull())
return profile;
cmsHPROFILE lcmsProf = cmsCreateLab2Profile(NULL);
if (lcmsProf)
{
ScLcms2ColorProfileImpl* profData = new ScLcms2ColorProfileImpl(engine, lcmsProf);
profData->m_profilePath = internalProfilePath;
profile = ScColorProfile(dynamic_cast<ScColorProfileData*>(profData));
m_profileCache->addProfile(profile);
}
if (profile.isNull() && lcmsProf)
{
cmsCloseProfile(lcmsProf);
lcmsProf = NULL;
}
return profile;
}
JNIEXPORT jlong JNICALL Java_com_lightcrafts_utils_LCMS_cmsCreateLab2Profile
(JNIEnv *env, jclass clazz)
{
return (jlong)(intptr_t) cmsCreateLab2Profile(NULL);
}
