static
int WriteNamedColorCRD(cmsIOHANDLER* m, cmsHPROFILE hNamedColor, int Intent, cmsUInt32Number dwFlags)
{
cmsHTRANSFORM xform;
int i, nColors, nColorant;
cmsUInt32Number OutputFormat;
char ColorName[32];
char Colorant[128];
cmsNAMEDCOLORLIST* NamedColorList;
OutputFormat = cmsFormatterForColorspaceOfProfile(hNamedColor, 2, FALSE);
nColorant = T_CHANNELS(OutputFormat);
xform = cmsCreateTransform(hNamedColor, TYPE_NAMED_COLOR_INDEX, NULL, OutputFormat, Intent, dwFlags);
if (xform == NULL) return 0;
NamedColorList = cmsGetNamedColorList(xform);
if (NamedColorList == NULL) return 0;
_cmsIOPrintf(m, "<<\n");
_cmsIOPrintf(m, "(colorlistcomment) (%s) \n", "Named profile");
_cmsIOPrintf(m, "(Prefix) [ (Pantone ) (PANTONE ) ]\n");
_cmsIOPrintf(m, "(Suffix) [ ( CV) ( CVC) ( C) ]\n");
nColors = cmsNamedColorCount(NamedColorList);
for (i=0; i < nColors; i++) {
cmsUInt16Number In[1];
cmsUInt16Number Out[cmsMAXCHANNELS];
In[0] = (cmsUInt16Number) i;
if (!cmsNamedColorInfo(NamedColorList, i, ColorName, NULL, NULL, NULL, NULL))
continue;
cmsDoTransform(xform, In, Out, 1);
BuildColorantList(Colorant, nColorant, Out);
_cmsIOPrintf(m, " (%s) [ %s ]\n", ColorName, Colorant);
}
_cmsIOPrintf(m, " >>");
if (!(dwFlags & cmsFLAGS_NODEFAULTRESOURCEDEF)) {
_cmsIOPrintf(m, " /Current exch /HPSpotTable defineresource pop\n");
}
cmsDeleteTransform(xform);
return 1;
}
void gui_init(struct dt_iop_module_t *self)
{
self->gui_data = malloc(sizeof(dt_iop_colortransfer_gui_data_t));
self->widget = gtk_label_new(_("this module will be removed in the future\nand is only here so you can "
"switch it off\nand move to the new color mapping module."));
gtk_misc_set_alignment(GTK_MISC(self->widget), 0.0f, 0.5f);
#if 0
self->gui_data = malloc(sizeof(dt_iop_colortransfer_gui_data_t));
dt_iop_colortransfer_gui_data_t *g = (dt_iop_colortransfer_gui_data_t *)self->gui_data;
// dt_iop_colortransfer_params_t *p = (dt_iop_colortransfer_params_t *)self->params;
g->flowback_set = 0;
g->hsRGB = dt_colorspaces_create_srgb_profile();
g->hLab = dt_colorspaces_create_lab_profile();
g->xform = cmsCreateTransform(g->hLab, TYPE_Lab_DBL, g->hsRGB, TYPE_RGB_DBL, INTENT_PERCEPTUAL, 0);
self->widget = GTK_WIDGET(gtk_vbox_new(FALSE, DT_GUI_IOP_MODULE_CONTROL_SPACING));
g_signal_connect (G_OBJECT(self->widget), "expose-event",
G_CALLBACK(expose), self);
g->area = gtk_drawing_area_new();
gtk_widget_set_size_request(GTK_WIDGET(g->area), 300, 100);
gtk_box_pack_start(GTK_BOX(self->widget), g->area, TRUE, TRUE, 0);
g_signal_connect (G_OBJECT (g->area), "expose-event", G_CALLBACK (cluster_preview_expose), self);
GtkBox *box = GTK_BOX(gtk_hbox_new(FALSE, 5));
gtk_box_pack_start(GTK_BOX(self->widget), GTK_WIDGET(box), TRUE, TRUE, 0);
GtkWidget *button;
g->spinbutton = GTK_SPIN_BUTTON(gtk_spin_button_new_with_range(1, MAXN, 1));
g_object_set(G_OBJECT(g->spinbutton), "tooltip-text", _("number of clusters to find in image"), (char *)NULL);
gtk_box_pack_start(box, GTK_WIDGET(g->spinbutton), FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(g->spinbutton), "value-changed", G_CALLBACK(spinbutton_changed), (gpointer)self);
button = dtgtk_button_new_with_label(_("acquire"), NULL, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER);
g->acquire_button = button;
g_object_set(G_OBJECT(button), "tooltip-text", _("analyze this image"), (char *)NULL);
gtk_box_pack_start(box, button, TRUE, TRUE, 0);
g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(acquire_button_pressed), (gpointer)self);
g->apply_button = dtgtk_button_new_with_label(_("apply"), NULL, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER);
g_object_set(G_OBJECT(g->apply_button), "tooltip-text", _("apply previously analyzed image look to this image"), (char *)NULL);
gtk_box_pack_start(box, g->apply_button, TRUE, TRUE, 0);
g_signal_connect(G_OBJECT(g->apply_button), "clicked", G_CALLBACK(apply_button_pressed), (gpointer)self);
FILE *f = fopen("/tmp/dt_colortransfer_loaded", "rb");
if(f)
{
if(fread(&g->flowback, self->params_size, 1, f) > 0) g->flowback_set = 1;
fclose(f);
}
else gtk_widget_set_sensitive(GTK_WIDGET(g->apply_button), FALSE);
#endif
}
void gui_init(struct dt_iop_module_t *self)
{
self->gui_data = malloc(sizeof(dt_iop_colortransfer_gui_data_t));
self->widget = gtk_label_new(_("this module will be removed in the future\nand is only here so you can "
"switch it off\nand move to the new color mapping module."));
gtk_widget_set_halign(self->widget, GTK_ALIGN_START);
#if 0
self->gui_data = malloc(sizeof(dt_iop_colortransfer_gui_data_t));
dt_iop_colortransfer_gui_data_t *g = (dt_iop_colortransfer_gui_data_t *)self->gui_data;
// dt_iop_colortransfer_params_t *p = (dt_iop_colortransfer_params_t *)self->params;
g->flowback_set = 0;
cmsHPROFILE hsRGB = dt_colorspaces_get_profile(DT_COLORSPACE_SRGB, "", DT_PROFILE_DIRECTION_IN)->profile;
cmsHPROFILE hLab = dt_colorspaces_get_profile(DT_COLORSPACE_LAB, "", DT_PROFILE_DIRECTION_ANY)->profile;
g->xform = cmsCreateTransform(hLab, TYPE_Lab_DBL, hsRGB, TYPE_RGB_DBL, INTENT_PERCEPTUAL, 0);
self->widget = GTK_WIDGET(gtk_box_new(GTK_ORIENTATION_VERTICAL, DT_GUI_IOP_MODULE_CONTROL_SPACING));
g_signal_connect (G_OBJECT(self->widget), "draw",
G_CALLBACK(draw), self);
g->area = gtk_drawing_area_new();
gtk_widget_set_size_request(GTK_WIDGET(g->area), 300, 100);
gtk_box_pack_start(GTK_BOX(self->widget), g->area, TRUE, TRUE, 0);
g_signal_connect (G_OBJECT (g->area), "draw", G_CALLBACK (cluster_preview_draw), self);
GtkBox *box = GTK_BOX(gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5));
gtk_box_pack_start(GTK_BOX(self->widget), GTK_WIDGET(box), TRUE, TRUE, 0);
GtkWidget *button;
g->spinbutton = GTK_SPIN_BUTTON(gtk_spin_button_new_with_range(1, MAXN, 1));
gtk_widget_set_tooltip_text(GTK_WIDGET(g->spinbutton), _("number of clusters to find in image"));
gtk_box_pack_start(box, GTK_WIDGET(g->spinbutton), FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(g->spinbutton), "value-changed", G_CALLBACK(spinbutton_changed), (gpointer)self);
button = gtk_button_new_with_label(_("acquire"));
g->acquire_button = button;
gtk_widget_set_tooltip_text(button, _("analyze this image"));
gtk_box_pack_start(box, button, TRUE, TRUE, 0);
g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(acquire_button_pressed), (gpointer)self);
g->apply_button = gtk_button_new_with_label(_("apply"));
gtk_widget_set_tooltip_text(g->apply_button, _("apply previously analyzed image look to this image"));
gtk_box_pack_start(box, g->apply_button, TRUE, TRUE, 0);
g_signal_connect(G_OBJECT(g->apply_button), "clicked", G_CALLBACK(apply_button_pressed), (gpointer)self);
FILE *f = g_fopen("/tmp/dt_colortransfer_loaded", "rb");
if(f)
{
if(fread(&g->flowback, self->params_size, 1, f) > 0) g->flowback_set = 1;
fclose(f);
}
else gtk_widget_set_sensitive(GTK_WIDGET(g->apply_button), FALSE);
#endif
}
cmsHTRANSFORM cmmCreateTransform(cmsHPROFILE Input,
DWORD InputFormat,
cmsHPROFILE Output,
DWORD OutputFormat,
int Intent,
DWORD dwFlags) {
// Make sure that modifications are saved in the profile buffer for both in and out
updateAll(Input);
updateAll(Output);
// Pass profiles to LCMS
return cmsCreateTransform(Input, InputFormat, Output, OutputFormat, Intent, dwFlags);
}
void* convert_space (const void *source_data_ptr, int width, int height) {
// Assign the memory for the transform
void *YourOutputBuffer = malloc(sizeof(void)*width*height*4);
// Create the required variables
cmsHPROFILE hInProfile, hOutProfile;
cmsHTRANSFORM hTransform;
// Load the colour profiles
hInProfile = cmsOpenProfileFromFile("/Library/Application Support/Nikon/Profiles/NKAdobe.icm", "r");
hOutProfile = cmsCreate_sRGBProfile();
// Create the transform matrix
hTransform = cmsCreateTransform(hInProfile,
TYPE_RGBA_8,
hOutProfile,
TYPE_RGBA_8,
INTENT_PERCEPTUAL,
0);
// Convert the image colours
cmsDoTransform(hTransform,
source_data_ptr,
YourOutputBuffer,
width*height);
// Delete the opened stuff
cmsDeleteTransform(hTransform);
cmsCloseProfile(hInProfile);
cmsCloseProfile(hOutProfile);
// Create the return data object
// CFDataRef ret_val = CFDataCreate (NULL, YourOutputBuffer, height * width * 4);
// release the old image
// CFRelease (source_data_ptr);
// Null the pointer after releasing
source_data_ptr = NULL;
// NULL the pointer
source_data_ptr = NULL;
// Free the temp buffer for the colour space image
// free(YourOutputBuffer);
fprintf(stdout, "Colour space converted.");
// return the new image
return YourOutputBuffer;
}
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);
}
cmsHTRANSFORM dkCmsCreateTransform(cmsHPROFILE Input,
DWORD InputFormat,
cmsHPROFILE Output,
DWORD OutputFormat,
int Intent,
DWORD dwFlags)
{
return cmsCreateTransform(Input,
static_cast<cmsUInt32Number>( InputFormat ),
Output,
static_cast<cmsUInt32Number>( OutputFormat ),
static_cast<cmsUInt32Number>( Intent ),
static_cast<cmsUInt32Number>( dwFlags ));
}
void IccColorProfile::calculateFloatUIMinMax(void)
{
QVector<KoChannelInfo::DoubleRange> &ret = d->shared->uiMinMaxes;
cmsHPROFILE cprofile = d->shared->lcmsProfile->lcmsProfile();
Q_ASSERT(cprofile);
cmsColorSpaceSignature color_space_sig = cmsGetColorSpace(cprofile);
unsigned int num_channels = cmsChannelsOf(color_space_sig);
unsigned int color_space_mask = _cmsLCMScolorSpace(color_space_sig);
Q_ASSERT(num_channels>=1 && num_channels <=4); // num_channels==1 is for grayscale, we need to handle it
Q_ASSERT(color_space_mask);
// to try to find the max range of float/doubles for this profile,
// pass in min/max int and make the profile convert that
// this is far from perfect, we need a better way, if possible to get the "bounds" of a profile
uint16_t in_min_pixel[4] = {0,0,0,0};
uint16_t in_max_pixel[4] = {0xFFFF,0xFFFF,0xFFFF,0xFFFF};
double out_min_pixel[4] = {0,0,0,0};
double out_max_pixel[4] = {0,0,0,0};
cmsHTRANSFORM trans = cmsCreateTransform(
cprofile,
(COLORSPACE_SH(color_space_mask)|CHANNELS_SH(num_channels)|BYTES_SH(2)),
cprofile,
(COLORSPACE_SH(color_space_mask)|FLOAT_SH(1)|CHANNELS_SH(num_channels)|BYTES_SH(0)), //NOTE THAT 'BYTES' FIELD IS SET TO ZERO ON DLB because 8 bytes overflows the bitfield
INTENT_PERCEPTUAL, 0); // does the intent matter in this case?
if (trans) {
cmsDoTransform(trans, in_min_pixel, out_min_pixel, 1);
cmsDoTransform(trans, in_max_pixel, out_max_pixel, 1);
cmsDeleteTransform(trans);
}//else, we'll just default to [0..1] below
ret.resize(num_channels);
for (unsigned int i=0; i<num_channels; ++i) {
if (out_min_pixel[i] < out_max_pixel[i]) {
ret[i].minVal = out_min_pixel[i];
ret[i].maxVal = out_max_pixel[i];
} else {
// aparently we can't even guarentee that converted_to_double(0x0000) < converted_to_double(0xFFFF)
// assume [0..1] in such cases
// we need to find a really solid way of determining the bounds of a profile, if possible
ret[i].minVal = 0;
ret[i].maxVal = 1;
}
}
}
static KoCIExyY RGB2xyY(cmsHPROFILE RGBProfile, qreal red, qreal green, qreal blue)
{
cmsHPROFILE XYZProfile = cmsCreateXYZProfile();
const cmsUInt32Number inputFormat = TYPE_RGB_DBL;
const cmsUInt32Number outputFormat = TYPE_XYZ_DBL;
const cmsUInt32Number transformFlags = cmsFLAGS_LOWRESPRECALC;
cmsHTRANSFORM transform = cmsCreateTransform(RGBProfile, inputFormat, XYZProfile, outputFormat,
INTENT_ABSOLUTE_COLORIMETRIC, transformFlags);
struct XYZPixel {
qreal X;
qreal Y;
qreal Z;
};
struct RGBPixel {
qreal red;
qreal green;
qreal blue;
};
XYZPixel xyzPixel;
RGBPixel rgbPixel;
rgbPixel.red = red;
rgbPixel.green = green;
rgbPixel.blue = blue;
const unsigned int numPixelsToTransform = 1;
cmsDoTransform(transform, &rgbPixel, &xyzPixel, numPixelsToTransform);
cmsCIEXYZ xyzPixelXYZ;
xyzPixelXYZ.X = xyzPixel.X;
xyzPixelXYZ.Y = xyzPixel.Y;
xyzPixelXYZ.Z = xyzPixel.Z;
cmsCIExyY xyzPixelxyY;
cmsXYZ2xyY(&xyzPixelxyY, &xyzPixelXYZ);
cmsDeleteTransform(transform);
cmsCloseProfile(XYZProfile);
KoCIExyY res;
lcmsToPigmentViceVersaStructureCopy(res, xyzPixelxyY);
return res;
}
int main(int argc, char* argv[])
{
int r, g, b;
cmsUInt8Number RGB[3], RGB_OUT[3];
cmsHTRANSFORM xform;
cmsHPROFILE hProfile;
double err, SumX=0, SumX2=0, Peak = 0, n = 0;
if (argc != 2) {
printf("roundtrip <RGB icc profile>\n");
return 1;
}
hProfile = cmsOpenProfileFromFile(argv[1], "r");
xform = cmsCreateTransform(hProfile,TYPE_RGB_8, hProfile, TYPE_RGB_8, INTENT_RELATIVE_COLORIMETRIC, cmsFLAGS_NOOPTIMIZE);
for (r=0; r< 256; r++) {
printf("%d \r", r);
for (g=0; g < 256; g++) {
for (b=0; b < 256; b++) {
RGB[0] = r;
RGB[1] = g;
RGB[2] = b;
cmsDoTransform(xform, RGB, RGB_OUT, 1);
err = VecDist(RGB, RGB_OUT);
SumX += err;
SumX2 += err * err;
n += 1.0;
if (err > Peak)
Peak = err;
}
}
}
printf("Average %g\n", SumX / n);
printf("Max %g\n", Peak);
printf("Std %g\n", sqrt((n*SumX2 - SumX * SumX) / (n*(n-1))));
cmsCloseProfile(hProfile);
cmsDeleteTransform(xform);
return 0;
}
void gui_init(struct dt_iop_module_t *self)
{
self->gui_data = malloc(sizeof(dt_iop_monochrome_gui_data_t));
dt_iop_monochrome_gui_data_t *g = (dt_iop_monochrome_gui_data_t *)self->gui_data;
g->dragging = 0;
self->request_color_pick = DT_REQUEST_COLORPICK_OFF;
self->widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, DT_BAUHAUS_SPACE);
dt_gui_add_help_link(self->widget, dt_get_help_url(self->op));
g->area = GTK_DRAWING_AREA(dtgtk_drawing_area_new_with_aspect_ratio(1.0));
gtk_box_pack_start(GTK_BOX(self->widget), GTK_WIDGET(g->area), TRUE, TRUE, 0);
gtk_widget_set_tooltip_text(GTK_WIDGET(g->area), _("drag and scroll mouse wheel to adjust the virtual color filter"));
gtk_widget_add_events(GTK_WIDGET(g->area), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK
| GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
| GDK_LEAVE_NOTIFY_MASK | darktable.gui->scroll_mask);
g_signal_connect(G_OBJECT(g->area), "draw", G_CALLBACK(dt_iop_monochrome_draw), self);
g_signal_connect(G_OBJECT(g->area), "button-press-event", G_CALLBACK(dt_iop_monochrome_button_press), self);
g_signal_connect(G_OBJECT(g->area), "button-release-event", G_CALLBACK(dt_iop_monochrome_button_release),
self);
g_signal_connect(G_OBJECT(g->area), "motion-notify-event", G_CALLBACK(dt_iop_monochrome_motion_notify),
self);
g_signal_connect(G_OBJECT(g->area), "leave-notify-event", G_CALLBACK(dt_iop_monochrome_leave_notify), self);
g_signal_connect(G_OBJECT(g->area), "scroll-event", G_CALLBACK(dt_iop_monochrome_scrolled), self);
GtkWidget *box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, DT_BAUHAUS_SPACE);
g->highlights = dt_bauhaus_slider_new_with_range(self, 0.0, 1.0, 0.01, 0.0, 2);
gtk_widget_set_tooltip_text(g->highlights, _("how much to keep highlights"));
dt_bauhaus_widget_set_label(g->highlights, NULL, _("highlights"));
gtk_box_pack_start(GTK_BOX(box), g->highlights, TRUE, TRUE, 0);
g_signal_connect(G_OBJECT(g->highlights), "value-changed", G_CALLBACK(highlights_callback), self);
g->colorpicker = dtgtk_togglebutton_new(dtgtk_cairo_paint_colorpicker, CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER, NULL);
gtk_widget_set_size_request(GTK_WIDGET(g->colorpicker), DT_PIXEL_APPLY_DPI(14), DT_PIXEL_APPLY_DPI(14));
gtk_box_pack_end(GTK_BOX(box), GTK_WIDGET(g->colorpicker), FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(g->colorpicker), "toggled", G_CALLBACK(picker_callback), self);
gtk_box_pack_end(GTK_BOX(self->widget), GTK_WIDGET(box), TRUE, TRUE, 0);
cmsHPROFILE hsRGB = dt_colorspaces_get_profile(DT_COLORSPACE_SRGB, "", DT_PROFILE_DIRECTION_IN)->profile;
cmsHPROFILE hLab = dt_colorspaces_get_profile(DT_COLORSPACE_LAB, "", DT_PROFILE_DIRECTION_ANY)->profile;
g->xform = cmsCreateTransform(hLab, TYPE_Lab_DBL, hsRGB, TYPE_RGB_DBL, INTENT_PERCEPTUAL,
0); // cmsFLAGS_NOTPRECALC);
}
static
int WriteNamedColorCSA(cmsIOHANDLER* m, cmsHPROFILE hNamedColor, int Intent)
{
cmsHTRANSFORM xform;
cmsHPROFILE hLab;
int i, nColors;
char ColorName[32];
cmsNAMEDCOLORLIST* NamedColorList;
hLab = cmsCreateLab4ProfileTHR(m ->ContextID, NULL);
xform = cmsCreateTransform(hNamedColor, TYPE_NAMED_COLOR_INDEX, hLab, TYPE_Lab_DBL, Intent, 0);
if (xform == NULL) return 0;
NamedColorList = cmsGetNamedColorList(xform);
if (NamedColorList == NULL) return 0;
_cmsIOPrintf(m, "<<\n");
_cmsIOPrintf(m, "(colorlistcomment) (%s)\n", "Named color CSA");
_cmsIOPrintf(m, "(Prefix) [ (Pantone ) (PANTONE ) ]\n");
_cmsIOPrintf(m, "(Suffix) [ ( CV) ( CVC) ( C) ]\n");
nColors = cmsNamedColorCount(NamedColorList);
for (i=0; i < nColors; i++) {
cmsUInt16Number In[1];
cmsCIELab Lab;
In[0] = (cmsUInt16Number) i;
if (!cmsNamedColorInfo(NamedColorList, i, ColorName, NULL, NULL, NULL, NULL))
continue;
cmsDoTransform(xform, In, &Lab, 1);
_cmsIOPrintf(m, " (%s) [ %.3f %.3f %.3f ]\n", ColorName, Lab.L, Lab.a, Lab.b);
}
_cmsIOPrintf(m, ">>\n");
cmsDeleteTransform(xform);
cmsCloseProfile(hLab);
return 1;
}
int main(void) {
cmsHPROFILE hInProfile, hOutProfile;
cmsHTRANSFORM hTransform;
int i;
hInProfile = cmsOpenProfileFromFile("USWebCoatedSWOP.icc", "r");
hOutProfile = cmsOpenProfileFromFile("AdobeRGB1998.icc", "r");
hTransform = cmsCreateTransform(hInProfile, TYPE_CMYK_8,
hOutProfile, TYPE_RGB_8, INTENT_PERCEPTUAL, 0);
cmsCloseProfile(hInProfile);
cmsCloseProfile(hOutProfile);
return 0;
}
void gui_init(struct dt_iop_module_t *self)
{
self->gui_data = malloc(sizeof(dt_iop_monochrome_gui_data_t));
dt_iop_monochrome_gui_data_t *g = (dt_iop_monochrome_gui_data_t *)self->gui_data;
g->dragging = 0;
self->widget = gtk_vbox_new(FALSE, DT_BAUHAUS_SPACE);
g->area = GTK_DRAWING_AREA(gtk_drawing_area_new());
// GtkWidget *asp = gtk_aspect_frame_new(NULL, 0.5, 0.5, 1.0, TRUE);
// gtk_box_pack_start(GTK_BOX(self->widget), asp, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(self->widget), GTK_WIDGET(g->area), TRUE, TRUE, 0);
// gtk_container_add(GTK_CONTAINER(asp), GTK_WIDGET(g->area));
gtk_drawing_area_size(g->area, 0, 258);
g_object_set(G_OBJECT(g->area), "tooltip-text", _("drag and scroll mouse wheel to adjust the virtual color filter"), (char *)NULL);
gtk_widget_add_events(GTK_WIDGET(g->area), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_LEAVE_NOTIFY_MASK);
g_signal_connect (G_OBJECT (g->area), "expose-event",
G_CALLBACK (dt_iop_monochrome_expose), self);
g_signal_connect (G_OBJECT (g->area), "button-press-event",
G_CALLBACK (dt_iop_monochrome_button_press), self);
g_signal_connect (G_OBJECT (g->area), "button-release-event",
G_CALLBACK (dt_iop_monochrome_button_release), self);
g_signal_connect (G_OBJECT (g->area), "motion-notify-event",
G_CALLBACK (dt_iop_monochrome_motion_notify), self);
g_signal_connect (G_OBJECT (g->area), "leave-notify-event",
G_CALLBACK (dt_iop_monochrome_leave_notify), self);
g_signal_connect (G_OBJECT (g->area), "scroll-event",
G_CALLBACK (dt_iop_monochrome_scrolled), self);
g->highlights = dt_bauhaus_slider_new_with_range(self, 0.0, 1.0, 0.01, 0.0, 2);
g_object_set (GTK_OBJECT(g->highlights), "tooltip-text", _("how much to keep highlights"), (char *)NULL);
dt_bauhaus_widget_set_label(g->highlights, _("highlights"));
gtk_box_pack_start(GTK_BOX(self->widget), g->highlights, TRUE, TRUE, 0);
g_signal_connect (G_OBJECT (g->highlights), "value-changed",
G_CALLBACK (highlights_callback), self);
g->hsRGB = dt_colorspaces_create_srgb_profile();
g->hLab = dt_colorspaces_create_lab_profile();
g->xform = cmsCreateTransform(g->hLab, TYPE_Lab_DBL, g->hsRGB, TYPE_RGB_DBL,
INTENT_PERCEPTUAL, 0);//cmsFLAGS_NOTPRECALC);
}
/* Get the link from the CMS. TODO: Add error checking */
gcmmhlink_t
gscms_get_link(gcmmhprofile_t lcms_srchandle,
gcmmhprofile_t lcms_deshandle,
gsicc_rendering_param_t *rendering_params)
{
DWORD src_data_type,des_data_type;
icColorSpaceSignature src_color_space,des_color_space;
int src_nChannels,des_nChannels;
int lcms_src_color_space, lcms_des_color_space;
/* Check for case of request for a transfrom from a device link profile
in that case, the destination profile is NULL */
/* First handle all the source stuff */
src_color_space = cmsGetColorSpace(lcms_srchandle);
lcms_src_color_space = _cmsLCMScolorSpace(src_color_space);
/* littlecms returns -1 for types it does not (but should) understand */
if (lcms_src_color_space < 0) lcms_src_color_space = 0;
src_nChannels = _cmsChannelsOf(src_color_space);
/* For now, just do single byte data, interleaved. We can change this
when we use the transformation. */
src_data_type = (COLORSPACE_SH(lcms_src_color_space)|
CHANNELS_SH(src_nChannels)|BYTES_SH(2));
if (lcms_deshandle != NULL) {
des_color_space = cmsGetColorSpace(lcms_deshandle);
} else {
/* We must have a device link profile. */
des_color_space = cmsGetPCS(lcms_deshandle);
}
lcms_des_color_space = _cmsLCMScolorSpace(des_color_space);
if (lcms_des_color_space < 0) lcms_des_color_space = 0;
des_nChannels = _cmsChannelsOf(des_color_space);
des_data_type = (COLORSPACE_SH(lcms_des_color_space)|
CHANNELS_SH(des_nChannels)|BYTES_SH(2));
/* Create the link */
return(cmsCreateTransform(lcms_srchandle, src_data_type, lcms_deshandle,
des_data_type, rendering_params->rendering_intent,
(cmsFLAGS_BLACKPOINTCOMPENSATION | cmsFLAGS_HIGHRESPRECALC)));
/* cmsFLAGS_HIGHRESPRECALC) cmsFLAGS_NOTPRECALC cmsFLAGS_LOWRESPRECALC*/
}
void gui_init(struct dt_iop_module_t *self)
{
self->gui_data = malloc(sizeof(dt_iop_colorcorrection_gui_data_t));
dt_iop_colorcorrection_gui_data_t *g = (dt_iop_colorcorrection_gui_data_t *)self->gui_data;
g->selected = 0;
self->widget = gtk_vbox_new(FALSE, DT_BAUHAUS_SPACE);
g->area = GTK_DRAWING_AREA(gtk_drawing_area_new());
GtkWidget *asp = gtk_aspect_frame_new(NULL, 0.5, 0.5, 1.0, TRUE);
gtk_box_pack_start(GTK_BOX(self->widget), asp, TRUE, TRUE, 0);
gtk_container_add(GTK_CONTAINER(asp), GTK_WIDGET(g->area));
gtk_drawing_area_size(g->area, 258, 258);
g_object_set (GTK_OBJECT(g->area), "tooltip-text", _("drag the line for split toning. "
"bright means highlights, dark means shadows. "
"use mouse wheel to change saturation."), (char *)NULL);
gtk_widget_add_events(GTK_WIDGET(g->area), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_LEAVE_NOTIFY_MASK);
g_signal_connect (G_OBJECT (g->area), "expose-event",
G_CALLBACK (dt_iop_colorcorrection_expose), self);
g_signal_connect (G_OBJECT (g->area), "button-press-event",
G_CALLBACK (dt_iop_colorcorrection_button_press), self);
g_signal_connect (G_OBJECT (g->area), "motion-notify-event",
G_CALLBACK (dt_iop_colorcorrection_motion_notify), self);
g_signal_connect (G_OBJECT (g->area), "leave-notify-event",
G_CALLBACK (dt_iop_colorcorrection_leave_notify), self);
g_signal_connect (G_OBJECT (g->area), "scroll-event",
G_CALLBACK (dt_iop_colorcorrection_scrolled), self);
g->slider = dt_bauhaus_slider_new_with_range(self, -3.0f, 3.0f, 0.01f, 1.0f, 2);
gtk_box_pack_start(GTK_BOX(self->widget), g->slider, TRUE, TRUE, 0);
g_object_set (GTK_OBJECT(g->slider), "tooltip-text", _("set the global saturation"), (char *)NULL);
dt_bauhaus_widget_set_label(g->slider,_("saturation"));
g_signal_connect (G_OBJECT (g->slider), "value-changed",
G_CALLBACK (sat_callback), self);
g->hsRGB = dt_colorspaces_create_srgb_profile();
g->hLab = dt_colorspaces_create_lab_profile();
g->xform = cmsCreateTransform(g->hLab, TYPE_Lab_DBL, g->hsRGB, TYPE_RGB_DBL,
INTENT_PERCEPTUAL, 0);//cmsFLAGS_NOTPRECALC);
}
static cmsHTRANSFORM
_buildTransform(cmsHPROFILE hInputProfile, cmsHPROFILE hOutputProfile, char *sInMode, char *sOutMode, int iRenderingIntent, cmsUInt32Number cmsFLAGS)
{
cmsHTRANSFORM hTransform;
Py_BEGIN_ALLOW_THREADS
/* create the transform */
hTransform = cmsCreateTransform(hInputProfile,
findLCMStype(sInMode),
hOutputProfile,
findLCMStype(sOutMode),
iRenderingIntent, cmsFLAGS);
Py_END_ALLOW_THREADS
if (!hTransform)
PyErr_SetString(PyExc_ValueError, "cannot build transform");
return hTransform; /* if NULL, an exception is set */
}
static void
gimp_image_convert_profile_indexed (GimpImage *image,
GimpColorProfile *src_profile,
GimpColorProfile *dest_profile,
GimpColorRenderingIntent intent,
gboolean bpc,
GimpProgress *progress)
{
cmsHPROFILE src_lcms;
cmsHPROFILE dest_lcms;
guchar *cmap;
gint n_colors;
GimpColorTransform transform;
src_lcms = gimp_color_profile_get_lcms_profile (src_profile);
dest_lcms = gimp_color_profile_get_lcms_profile (dest_profile);
n_colors = gimp_image_get_colormap_size (image);
cmap = g_memdup (gimp_image_get_colormap (image), n_colors * 3);
transform = cmsCreateTransform (src_lcms, TYPE_RGB_8,
dest_lcms, TYPE_RGB_8,
intent,
cmsFLAGS_NOOPTIMIZE |
(bpc ? cmsFLAGS_BLACKPOINTCOMPENSATION : 0));
if (transform)
{
cmsDoTransform (transform, cmap, cmap, n_colors);
cmsDeleteTransform (transform);
gimp_image_set_colormap (image, cmap, n_colors, TRUE);
}
else
{
g_warning ("cmsCreateTransform() failed!");
}
g_free (cmap);
}
void gui_init(struct dt_iop_module_t *self)
{
self->gui_data = malloc(sizeof(dt_iop_colorcorrection_gui_data_t));
dt_iop_colorcorrection_gui_data_t *g = (dt_iop_colorcorrection_gui_data_t *)self->gui_data;
g->selected = 0;
self->widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, DT_BAUHAUS_SPACE);
g->area = GTK_DRAWING_AREA(dtgtk_drawing_area_new_with_aspect_ratio(1.0));
gtk_box_pack_start(GTK_BOX(self->widget), GTK_WIDGET(g->area), TRUE, TRUE, 0);
g_object_set(G_OBJECT(g->area), "tooltip-text", _("drag the line for split toning. "
"bright means highlights, dark means shadows. "
"use mouse wheel to change saturation."),
(char *)NULL);
gtk_widget_add_events(GTK_WIDGET(g->area), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK
| GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
| GDK_LEAVE_NOTIFY_MASK | GDK_SCROLL_MASK);
g_signal_connect(G_OBJECT(g->area), "draw", G_CALLBACK(dt_iop_colorcorrection_draw), self);
g_signal_connect(G_OBJECT(g->area), "button-press-event", G_CALLBACK(dt_iop_colorcorrection_button_press),
self);
g_signal_connect(G_OBJECT(g->area), "motion-notify-event", G_CALLBACK(dt_iop_colorcorrection_motion_notify),
self);
g_signal_connect(G_OBJECT(g->area), "leave-notify-event", G_CALLBACK(dt_iop_colorcorrection_leave_notify),
self);
g_signal_connect(G_OBJECT(g->area), "scroll-event", G_CALLBACK(dt_iop_colorcorrection_scrolled), self);
g->slider = dt_bauhaus_slider_new_with_range(self, -3.0f, 3.0f, 0.01f, 1.0f, 2);
gtk_box_pack_start(GTK_BOX(self->widget), g->slider, TRUE, TRUE, 0);
g_object_set(G_OBJECT(g->slider), "tooltip-text", _("set the global saturation"), (char *)NULL);
dt_bauhaus_widget_set_label(g->slider, NULL, _("saturation"));
g_signal_connect(G_OBJECT(g->slider), "value-changed", G_CALLBACK(sat_callback), self);
cmsHPROFILE hsRGB = dt_colorspaces_get_profile(DT_COLORSPACE_SRGB, "", DT_PROFILE_DIRECTION_IN)->profile;
cmsHPROFILE hLab = dt_colorspaces_get_profile(DT_COLORSPACE_LAB, "", DT_PROFILE_DIRECTION_ANY)->profile;
g->xform = cmsCreateTransform(hLab, TYPE_Lab_DBL, hsRGB, TYPE_RGB_DBL, INTENT_PERCEPTUAL,
0); // cmsFLAGS_NOTPRECALC);
}
void TestKoLcmsColorProfile::testConversion()
{
const KoColorSpace *sRgb = KoColorSpaceRegistry::instance()->rgb16("sRGB built-in");
Q_ASSERT(sRgb);
const KoColorSpace *linearRgb = KoColorSpaceRegistry::instance()->rgb16("scRGB (linear)");
Q_ASSERT(linearRgb);
quint16 src[4];
src[0] = 257;
src[1] = 257;
src[2] = 257;
src[3] = 65535;
quint16 dst[4];
memset(&dst, 0, 8);
linearRgb->convertPixelsTo((quint8 *)&src, (quint8 *)&dst, sRgb, 1, KoColorConversionTransformation::IntentRelativeColorimetric, KoColorConversionTransformation::BlackpointCompensation);
quint16 dst2[4];
memset(&dst2, 0, 8);
cmsHPROFILE sRgbProfile = cmsCreate_sRGBProfile();
QByteArray rawData = linearRgb->profile()->rawData();
cmsHPROFILE linearRgbProfile = cmsOpenProfileFromMem((void *)rawData.constData(), rawData.size());
cmsHTRANSFORM tf = cmsCreateTransform(linearRgbProfile,
TYPE_BGRA_16,
sRgbProfile,
TYPE_BGRA_16,
INTENT_RELATIVE_COLORIMETRIC,
cmsFLAGS_NOOPTIMIZE);
cmsDoTransform(tf, (quint8 *)&src, (quint8 *)&dst2, 1);
Q_ASSERT(dst[0] == dst2[0]);
}
static cmsHTRANSFORM
cd_sensor_get_fake_transform (CdSensorDummyPrivate *priv)
{
cmsHTRANSFORM transform;
cmsHPROFILE profile_srgb;
cmsHPROFILE profile_xyz;
profile_srgb = cmsCreate_sRGBProfile ();
profile_xyz = cmsCreateXYZProfile ();
transform = cmsCreateTransform (profile_srgb, TYPE_RGB_DBL,
profile_xyz, TYPE_XYZ_DBL,
INTENT_RELATIVE_COLORIMETRIC,
cmsFLAGS_NOOPTIMIZE);
if (transform == NULL) {
g_warning ("failed to setup RGB -> XYZ transform");
goto out;
}
out:
if (profile_srgb != NULL)
cmsCloseProfile (profile_srgb);
if (profile_xyz != NULL)
cmsCloseProfile (profile_xyz);
return transform;
}
void CorrectImage(wxImage& image, const vigra::ImageImportInfo::ICCProfile& iccProfile, const cmsHPROFILE& monitorProfile)
{
cmsHPROFILE inputICC = NULL;
if (!iccProfile.empty())
{
inputICC = cmsOpenProfileFromMem(iccProfile.data(), iccProfile.size());
};
// check type of input profile
if (inputICC != NULL)
{
if (cmsGetColorSpace(inputICC) != cmsSigRgbData)
{
cmsCloseProfile(inputICC);
inputICC = NULL;
};
};
// if there is no icc profile in file fall back to sRGB
if (inputICC == NULL)
{
inputICC = cmsCreate_sRGBProfile();
};
// now build transform
cmsHTRANSFORM transform = cmsCreateTransform(inputICC, TYPE_RGB_8,
monitorProfile, TYPE_RGB_8,
INTENT_PERCEPTUAL, cmsFLAGS_BLACKPOINTCOMPENSATION);
unsigned char* imgData = image.GetData();
const int imgWidth = image.GetWidth();
const int imgHeight = image.GetHeight();
#pragma omp parallel for
for (int y = 0; y < imgHeight; ++y)
{
cmsDoTransform(transform, imgData + 3 * y * imgWidth, imgData + 3 * y * imgWidth, imgWidth);
};
cmsDeleteTransform(transform);
cmsCloseProfile(inputICC);
};
cmsBool GetProfileRGBPrimaries(cmsHPROFILE hProfile, cmsCIEXYZTRIPLE* const result, cmsUInt32Number intent)
{
cmsHPROFILE hXYZ;
cmsHTRANSFORM hTransform;
cmsFloat64Number rgb[3][3] = {{1., 0., 0.},
{0., 1., 0.},
{0., 0., 1.}};
hXYZ = cmsCreateXYZProfile();
if (hXYZ == NULL)
return FALSE;
hTransform = cmsCreateTransform(hProfile, TYPE_RGB_DBL, hXYZ, TYPE_XYZ_DBL,
intent, cmsFLAGS_NOCACHE | cmsFLAGS_NOOPTIMIZE);
cmsCloseProfile(hXYZ);
if (hTransform == NULL)
return FALSE;
cmsDoTransform(hTransform, rgb, result, 3);
cmsDeleteTransform(hTransform);
return TRUE;
}
static void
lcms_image_transform_rgb (gint32 image,
cmsHPROFILE src_profile,
cmsHPROFILE dest_profile,
GimpColorRenderingIntent intent,
gboolean bpc)
{
cmsHTRANSFORM transform = NULL;
DWORD last_format = 0;
gint *layers;
gint num_layers;
gint i;
layers = gimp_image_get_layers (image, &num_layers);
for (i = 0; i < num_layers; i++)
{
GimpDrawable *drawable = gimp_drawable_get (layers[i]);
DWORD format;
switch (drawable->bpp)
{
case 3:
format = TYPE_RGB_8;
break;
case 4:
format = TYPE_RGBA_8;
break;
default:
g_warning ("%s: unexpected bpp", G_STRLOC);
continue;
}
if (! transform || format != last_format)
{
if (transform)
cmsDeleteTransform (transform);
transform = cmsCreateTransform (src_profile, format,
dest_profile, format,
intent,
bpc ?
cmsFLAGS_BLACKPOINTCOMPENSATION : 0);
last_format = format;
}
if (transform)
{
lcms_drawable_transform (drawable, transform,
(gdouble) i / num_layers,
(gdouble) (i + 1) / num_layers);
}
else
{
g_warning ("cmsCreateTransform() failed!");
}
gimp_drawable_detach (drawable);
}
if (transform)
cmsDeleteTransform(transform);
g_free (layers);
}
static void
gimp_image_convert_profile_rgb (GimpImage *image,
GimpColorProfile *src_profile,
GimpColorProfile *dest_profile,
GimpColorRenderingIntent intent,
gboolean bpc,
GimpProgress *progress)
{
GList *layers;
GList *list;
gint n_drawables;
gint nth_drawable;
layers = gimp_image_get_layer_list (image);
n_drawables = g_list_length (layers);
for (list = layers, nth_drawable = 0;
list;
list = g_list_next (list), nth_drawable++)
{
GimpDrawable *drawable = list->data;
cmsHPROFILE src_lcms;
cmsHPROFILE dest_lcms;
const Babl *iter_format;
cmsUInt32Number lcms_format;
cmsUInt32Number flags;
cmsHTRANSFORM transform;
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
continue;
src_lcms = gimp_color_profile_get_lcms_profile (src_profile);
dest_lcms = gimp_color_profile_get_lcms_profile (dest_profile);
iter_format =
gimp_color_profile_get_format (gimp_drawable_get_format (drawable),
&lcms_format);
flags = cmsFLAGS_NOOPTIMIZE;
if (bpc)
flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
transform = cmsCreateTransform (src_lcms, lcms_format,
dest_lcms, lcms_format,
intent, flags);
if (transform)
{
GeglBuffer *buffer;
GeglBufferIterator *iter;
buffer = gimp_drawable_get_buffer (drawable);
gimp_drawable_push_undo (drawable, NULL, NULL,
0, 0,
gegl_buffer_get_width (buffer),
gegl_buffer_get_height (buffer));
iter = gegl_buffer_iterator_new (buffer, NULL, 0,
iter_format,
GEGL_ACCESS_READWRITE,
GEGL_ABYSS_NONE);
while (gegl_buffer_iterator_next (iter))
{
cmsDoTransform (transform,
iter->data[0], iter->data[0], iter->length);
}
gimp_drawable_update (drawable, 0, 0,
gegl_buffer_get_width (buffer),
gegl_buffer_get_height (buffer));
cmsDeleteTransform (transform);
}
if (progress)
gimp_progress_set_value (progress,
(gdouble) nth_drawable / (gdouble) n_drawables);
}
g_list_free (layers);
}
void CLASS apply_profile (const char *input, const char *output)
{
char *prof;
cmsHPROFILE hInProfile=0, hOutProfile=0;
cmsHTRANSFORM hTransform;
FILE *fp;
unsigned size;
#ifndef USE_LCMS2
cmsErrorAction (LCMS_ERROR_SHOW);
#endif
if (strcmp (input, "embed"))
hInProfile = cmsOpenProfileFromFile (input, "r");
else if (profile_length) {
#ifndef LIBRAW_LIBRARY_BUILD
prof = (char *) malloc (profile_length);
merror (prof, "apply_profile()");
fseek (ifp, profile_offset, SEEK_SET);
fread (prof, 1, profile_length, ifp);
hInProfile = cmsOpenProfileFromMem (prof, profile_length);
free (prof);
#else
hInProfile = cmsOpenProfileFromMem (imgdata.color.profile, profile_length);
#endif
} else
{
#ifdef LIBRAW_LIBRARY_BUILD
imgdata.process_warnings |= LIBRAW_WARN_NO_EMBEDDED_PROFILE;
#endif
#ifdef DCRAW_VERBOSE
fprintf (stderr,_("%s has no embedded profile.\n"), ifname);
#endif
}
if (!hInProfile)
{
#ifdef LIBRAW_LIBRARY_BUILD
imgdata.process_warnings |= LIBRAW_WARN_NO_INPUT_PROFILE;
#endif
return;
}
if (!output)
hOutProfile = cmsCreate_sRGBProfile();
else if ((fp = fopen (output, "rb"))) {
fread (&size, 4, 1, fp);
fseek (fp, 0, SEEK_SET);
oprof = (unsigned *) malloc (size = ntohl(size));
merror (oprof, "apply_profile()");
fread (oprof, 1, size, fp);
fclose (fp);
if (!(hOutProfile = cmsOpenProfileFromMem (oprof, size))) {
free (oprof);
oprof = 0;
}
}
#ifdef DCRAW_VERBOSE
else
fprintf (stderr,_("Cannot open file %s!\n"), output);
#endif
if (!hOutProfile)
{
#ifdef LIBRAW_LIBRARY_BUILD
imgdata.process_warnings |= LIBRAW_WARN_BAD_OUTPUT_PROFILE;
#endif
goto quit;
}
#ifdef DCRAW_VERBOSE
if (verbose)
fprintf (stderr,_("Applying color profile...\n"));
#endif
#ifdef LIBRAW_LIBRARY_BUILD
RUN_CALLBACK(LIBRAW_PROGRESS_APPLY_PROFILE,0,2);
#endif
hTransform = cmsCreateTransform (hInProfile, TYPE_RGBA_16,
hOutProfile, TYPE_RGBA_16, INTENT_PERCEPTUAL, 0);
cmsDoTransform (hTransform, image, image, width*height);
raw_color = 1; /* Don't use rgb_cam with a profile */
cmsDeleteTransform (hTransform);
cmsCloseProfile (hOutProfile);
quit:
cmsCloseProfile (hInProfile);
#ifdef LIBRAW_LIBRARY_BUILD
RUN_CALLBACK(LIBRAW_PROGRESS_APPLY_PROFILE,1,2);
#endif
}
GimpColorTransform
gimp_widget_get_color_transform (GtkWidget *widget,
GimpColorConfig *config,
GimpColorProfile *src_profile,
const Babl **src_format,
const Babl **dest_format)
{
GimpColorTransform transform = NULL;
GimpColorProfile *dest_profile = NULL;
GimpColorProfile *proof_profile = NULL;
cmsHPROFILE src_lcms;
cmsHPROFILE dest_lcms;
cmsUInt32Number lcms_src_format;
cmsUInt32Number lcms_dest_format;
cmsUInt16Number alarmCodes[cmsMAXCHANNELS] = { 0, };
g_return_val_if_fail (widget == NULL || GTK_IS_WIDGET (widget), NULL);
g_return_val_if_fail (GIMP_IS_COLOR_PROFILE (src_profile), NULL);
g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), NULL);
g_return_val_if_fail (src_format != NULL, NULL);
g_return_val_if_fail (dest_format != NULL, NULL);
switch (config->mode)
{
case GIMP_COLOR_MANAGEMENT_OFF:
return NULL;
case GIMP_COLOR_MANAGEMENT_SOFTPROOF:
proof_profile = gimp_color_config_get_printer_color_profile (config, NULL);
/* fallthru */
case GIMP_COLOR_MANAGEMENT_DISPLAY:
dest_profile = get_display_profile (widget, config);
break;
}
src_lcms = gimp_color_profile_get_lcms_profile (src_profile);
dest_lcms = gimp_color_profile_get_lcms_profile (dest_profile);
*src_format = gimp_color_profile_get_format (*src_format, &lcms_src_format);
*dest_format = gimp_color_profile_get_format (*dest_format, &lcms_dest_format);
if (proof_profile)
{
cmsHPROFILE proof_lcms;
cmsUInt32Number softproof_flags = cmsFLAGS_SOFTPROOFING;
proof_lcms = gimp_color_profile_get_lcms_profile (proof_profile);
if (config->simulation_use_black_point_compensation)
{
softproof_flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
if (config->simulation_gamut_check)
{
guchar r, g, b;
softproof_flags |= cmsFLAGS_GAMUTCHECK;
gimp_rgb_get_uchar (&config->out_of_gamut_color, &r, &g, &b);
alarmCodes[0] = (cmsUInt16Number) r * 256;
alarmCodes[1] = (cmsUInt16Number) g * 256;
alarmCodes[2] = (cmsUInt16Number) b * 256;
cmsSetAlarmCodes (alarmCodes);
}
transform = cmsCreateProofingTransform (src_lcms, lcms_src_format,
dest_lcms, lcms_dest_format,
proof_lcms,
config->simulation_intent,
config->display_intent,
softproof_flags);
g_object_unref (proof_profile);
}
else if (! gimp_color_profile_is_equal (src_profile, dest_profile))
{
cmsUInt32Number display_flags = 0;
if (config->display_use_black_point_compensation)
{
display_flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
transform = cmsCreateTransform (src_lcms, lcms_src_format,
dest_lcms, lcms_dest_format,
config->display_intent,
display_flags);
}
g_object_unref (dest_profile);
return transform;
}
/**
* gimp_color_transform_new:
* @src_profile:
* @src_format:
* @desr_profile:
* @dest_format:
* @rendering_intent:
* @flags:
*
* This function creates an color transform.
*
* Return value: the #GimpColorTransform, or %NULL if no transform is needed
* to convert between pixels of @src_profile and @dest_profile.
*
* Since: 2.10
**/
GimpColorTransform *
gimp_color_transform_new (GimpColorProfile *src_profile,
const Babl *src_format,
GimpColorProfile *dest_profile,
const Babl *dest_format,
GimpColorRenderingIntent rendering_intent,
GimpColorTransformFlags flags)
{
GimpColorTransform *transform;
GimpColorTransformPrivate *priv;
cmsHPROFILE src_lcms;
cmsHPROFILE dest_lcms;
cmsUInt32Number lcms_src_format;
cmsUInt32Number lcms_dest_format;
g_return_val_if_fail (GIMP_IS_COLOR_PROFILE (src_profile), NULL);
g_return_val_if_fail (src_format != NULL, NULL);
g_return_val_if_fail (GIMP_IS_COLOR_PROFILE (dest_profile), NULL);
g_return_val_if_fail (dest_format != NULL, NULL);
if (gimp_color_transform_can_gegl_copy (src_profile, dest_profile))
return NULL;
transform = g_object_new (GIMP_TYPE_COLOR_TRANSFORM, NULL);
priv = transform->priv;
src_lcms = gimp_color_profile_get_lcms_profile (src_profile);
dest_lcms = gimp_color_profile_get_lcms_profile (dest_profile);
priv->src_format = gimp_color_profile_get_format (src_format,
&lcms_src_format);
priv->dest_format = gimp_color_profile_get_format (dest_format,
&lcms_dest_format);
lcms_error_clear ();
priv->transform = cmsCreateTransform (src_lcms, lcms_src_format,
dest_lcms, lcms_dest_format,
rendering_intent,
flags);
if (lcms_last_error)
{
if (priv->transform)
{
cmsDeleteTransform (priv->transform);
priv->transform = NULL;
}
g_printerr ("%s\n", lcms_last_error);
}
if (! priv->transform)
{
g_object_unref (transform);
transform = NULL;
}
return transform;
}
static void
cdisplay_lcms_changed (GimpColorDisplay *display)
{
CdisplayLcms *lcms = CDISPLAY_LCMS (display);
GimpColorConfig *config = gimp_color_display_get_config (display);
cmsHPROFILE src_profile = NULL;
cmsHPROFILE dest_profile = NULL;
cmsHPROFILE proof_profile = NULL;
cmsUInt16Number alarmCodes[cmsMAXCHANNELS] = { 0, };
if (lcms->transform)
{
cmsDeleteTransform (lcms->transform);
lcms->transform = NULL;
}
if (! config)
return;
switch (config->mode)
{
case GIMP_COLOR_MANAGEMENT_OFF:
return;
case GIMP_COLOR_MANAGEMENT_SOFTPROOF:
proof_profile = cdisplay_lcms_get_printer_profile (lcms);
/* fallthru */
case GIMP_COLOR_MANAGEMENT_DISPLAY:
src_profile = cdisplay_lcms_get_rgb_profile (lcms);
dest_profile = cdisplay_lcms_get_display_profile (lcms);
break;
}
if (proof_profile)
{
cmsUInt32Number softproof_flags = 0;
if (! src_profile)
src_profile = gimp_lcms_create_srgb_profile ();
if (! dest_profile)
dest_profile = gimp_lcms_create_srgb_profile ();
softproof_flags |= cmsFLAGS_SOFTPROOFING;
if (config->simulation_use_black_point_compensation)
{
softproof_flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
if (config->simulation_gamut_check)
{
guchar r, g, b;
softproof_flags |= cmsFLAGS_GAMUTCHECK;
gimp_rgb_get_uchar (&config->out_of_gamut_color, &r, &g, &b);
alarmCodes[0] = (cmsUInt16Number) r * 256;
alarmCodes[1] = (cmsUInt16Number) g * 256;
alarmCodes[2] = (cmsUInt16Number) b * 256;
cmsSetAlarmCodes (alarmCodes);
}
lcms->transform = cmsCreateProofingTransform (src_profile, TYPE_RGBA_FLT,
dest_profile, TYPE_RGBA_FLT,
proof_profile,
config->simulation_intent,
config->display_intent,
softproof_flags);
cmsCloseProfile (proof_profile);
}
else if (src_profile || dest_profile)
{
cmsUInt32Number display_flags = 0;
if (! src_profile)
src_profile = gimp_lcms_create_srgb_profile ();
if (! dest_profile)
dest_profile = gimp_lcms_create_srgb_profile ();
if (config->display_use_black_point_compensation)
{
display_flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
lcms->transform = cmsCreateTransform (src_profile, TYPE_RGBA_FLT,
dest_profile, TYPE_RGBA_FLT,
config->display_intent,
display_flags);
}
if (dest_profile)
cmsCloseProfile (dest_profile);
if (src_profile)
cmsCloseProfile (src_profile);
}
// Creates all needed color transforms
static
cmsBool OpenTransforms(void)
{
cmsHPROFILE hInput, hOutput, hProof;
cmsUInt32Number dwIn, dwOut, dwFlags;
cmsNAMEDCOLORLIST* List;
int i;
// We don't need cache
dwFlags = cmsFLAGS_NOCACHE;
if (lIsDeviceLink) {
hInput = OpenStockProfile(0, cInProf);
if (hInput == NULL) return FALSE;
hOutput = NULL;
hProof = NULL;
if (cmsGetDeviceClass(hInput) == cmsSigNamedColorClass) {
OutputColorSpace = cmsGetColorSpace(hInput);
InputColorSpace = cmsGetPCS(hInput);
}
else {
InputColorSpace = cmsGetColorSpace(hInput);
OutputColorSpace = cmsGetPCS(hInput);
}
// Read colorant tables if present
if (cmsIsTag(hInput, cmsSigColorantTableTag)) {
List = cmsReadTag(hInput, cmsSigColorantTableTag);
InputColorant = cmsDupNamedColorList(List);
InputRange = 1;
}
else InputColorant = ComponentNames(InputColorSpace, TRUE);
if (cmsIsTag(hInput, cmsSigColorantTableOutTag)){
List = cmsReadTag(hInput, cmsSigColorantTableOutTag);
OutputColorant = cmsDupNamedColorList(List);
OutputRange = 1;
}
else OutputColorant = ComponentNames(OutputColorSpace, FALSE);
}
else {
hInput = OpenStockProfile(0, cInProf);
if (hInput == NULL) return FALSE;
hOutput = OpenStockProfile(0, cOutProf);
if (hOutput == NULL) return FALSE;
hProof = NULL;
if (cmsGetDeviceClass(hInput) == cmsSigLinkClass ||
cmsGetDeviceClass(hOutput) == cmsSigLinkClass)
FatalError("Use %cl flag for devicelink profiles!\n", SW);
InputColorSpace = cmsGetColorSpace(hInput);
OutputColorSpace = cmsGetColorSpace(hOutput);
// Read colorant tables if present
if (cmsIsTag(hInput, cmsSigColorantTableTag)) {
List = cmsReadTag(hInput, cmsSigColorantTableTag);
InputColorant = cmsDupNamedColorList(List);
if (cmsNamedColorCount(InputColorant) <= 3)
SetRange(255, TRUE);
else
SetRange(1, TRUE); // Inks are already divided by 100 in the formatter
}
else InputColorant = ComponentNames(InputColorSpace, TRUE);
if (cmsIsTag(hOutput, cmsSigColorantTableTag)){
List = cmsReadTag(hOutput, cmsSigColorantTableTag);
OutputColorant = cmsDupNamedColorList(List);
if (cmsNamedColorCount(OutputColorant) <= 3)
SetRange(255, FALSE);
else
SetRange(1, FALSE); // Inks are already divided by 100 in the formatter
}
else OutputColorant = ComponentNames(OutputColorSpace, FALSE);
if (cProofing != NULL) {
hProof = OpenStockProfile(0, cProofing);
if (hProof == NULL) return FALSE;
dwFlags |= cmsFLAGS_SOFTPROOFING;
}
}
// Print information on profiles
if (Verbose > 2) {
printf("Profile:\n");
PrintProfileInformation(hInput);
if (hOutput) {
printf("Output profile:\n");
PrintProfileInformation(hOutput);
}
if (hProof != NULL) {
printf("Proofing profile:\n");
PrintProfileInformation(hProof);
}
}
// Input is always in floating point
dwIn = cmsFormatterForColorspaceOfProfile(hInput, 0, TRUE);
if (lIsDeviceLink) {
dwOut = cmsFormatterForPCSOfProfile(hInput, lIsFloat ? 0 : 2, lIsFloat);
}
else {
// 16 bits or floating point (only on output)
dwOut = cmsFormatterForColorspaceOfProfile(hOutput, lIsFloat ? 0 : 2, lIsFloat);
}
// For named color, there is a specialized formatter
if (cmsGetDeviceClass(hInput) == cmsSigNamedColorClass) {
dwIn = TYPE_NAMED_COLOR_INDEX;
InputNamedColor = TRUE;
}
// Precision mode
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 (BlackPointCompensation)
dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
if (GamutCheck) {
cmsUInt16Number Alarm[cmsMAXCHANNELS];
if (hProof == NULL)
FatalError("I need proofing profile -p for gamut checking!");
for (i=0; i < cmsMAXCHANNELS; i++)
Alarm[i] = 0xFFFF;
cmsSetAlarmCodes(Alarm);
dwFlags |= cmsFLAGS_GAMUTCHECK;
}
// The main transform
hTrans = cmsCreateProofingTransform(hInput, dwIn, hOutput, dwOut, hProof, Intent, ProofingIntent, dwFlags);
if (hProof) cmsCloseProfile(hProof);
if (hTrans == NULL) return FALSE;
// PCS Dump if requested
hTransXYZ = NULL; hTransLab = NULL;
if (hOutput && Verbose > 1) {
cmsHPROFILE hXYZ = cmsCreateXYZProfile();
cmsHPROFILE hLab = cmsCreateLab4Profile(NULL);
hTransXYZ = cmsCreateTransform(hInput, dwIn, hXYZ, lIsFloat ? TYPE_XYZ_DBL : TYPE_XYZ_16, Intent, cmsFLAGS_NOCACHE);
if (hTransXYZ == NULL) return FALSE;
hTransLab = cmsCreateTransform(hInput, dwIn, hLab, lIsFloat? TYPE_Lab_DBL : TYPE_Lab_16, Intent, cmsFLAGS_NOCACHE);
if (hTransLab == NULL) return FALSE;
cmsCloseProfile(hXYZ);
cmsCloseProfile(hLab);
}
if (hInput) cmsCloseProfile(hInput);
if (hOutput) cmsCloseProfile(hOutput);
return TRUE;
}