Generalized Hyperbolic Stretch in Selective Editing (#7210)

* GHS GUI first step

* GHS GUI first step

* GUI step 3

* Hide show ghsmethod

* Siril functions for ghs

* Init ghs in iplocallab

* ghs step 2

* ghs step 4

* Comment copyright Pixlnsight 2021

* Smooth highlights and tooltips

* Enabled saturation and luminance ghs mode

* First tooltip

* Ghs tooltips

* Remove wrong packstart inverssh

* Change labels and tooltips

* Disabled mask in global and other improvments

* Comment code

* appimage and windows yml ghs

* Change tooltip

* Ghsmethod hue and change tolltips

* Change tooltip

* Inverse Stretch step 1

* Inverse GHS

* GHS tooltips

* Change tooltips

* Change tooltip

* Linear black point

* Small change to blackpoint

* Change tooltip

* Clean and comment code

* forgotten GHS highlight attenuation msg in history

* Comment code with Transformation equations

* Change tooltip

* Wrong default value balck point

* Comment code iplocallab

* Ghs curve step 1

* GHS curve step 2

* Show GHS setting in a Curve Box

* Tooltip for ghs S curve

* Disabled warning in compilation simpleprocess

* Simplified code part 1

* Simplified code GHS graph part 2

* Improve black point with negatives values

* Improve BP and tooltip

* Listener enable only with GHS

* White point for GHS

* Change label and tooltip

* Improve behavior white point and black point

* Link sliders ghs_SP ghs_LP ghs_HP and change code to avoid balck screen

* hide unused button in diagonal curve GHS

* prevents the GHS representation in S from displaying artifacts if ghs-d=0

* Change tooltips

* Improvment and tooltips

* Forgotten tooltip

* Improve GUI GHS S curve - change tooltips

* Set transition gray areas in S curve GHS with values of the RT-spot

* Change label GHS

* setlogscale blackpoint and symmetry

* Set recursive reference enable by default in controlspotpanel

* Change lastlocalCurvesDir Dirghs in locallabtools and options - change labels

* Added in converttonormal ghsMode.. not sure if this is useful

* DIY to make GHS curve work without the choices

* Change RGB calculation with luminance function working profile

* 5 modes GHS method

* Label to show datas clipped Black point and White point

* Various change white point tooltips

* Bad behavior wp bp labels

* Small change to improccordinator call to ghschanged ghsbwchanged

* Set log scale ghs_D

* Hide Graduated filter if GHS enable

* Luminance Lab in ghsmethod

* Lab slope factor step 1

* Slope and Chromaticity GHS improvments

* Fixed bad sqrt line 17477 iplocallab

* Workaround linear GHS - re-enable Graduated filer GHS

* Change limits slope lab factor

* Ghs chromaticity Lab (Lch)

* Improve ghs chromaticity

* Change labels and tooltips Lab chroma

* Slope Lab to 100

* Noise and saturation RGB

* Saturation RGB standard and labels

* Change histogram and navigator panel without gamma when using working profile

* Remove gray in GHS curve

* Local contrast a minima

* Regularization stretch

* Improve Graduated Filter in all cases GHS Color and Light etc.

* Improves nlmeans to reduce noise after GHS

* Change to GF - tooltip Nlmeans

* Added oW oH tW tH etc.

* Added call GF

* tX tY for previewProps

* Comment code GF

* Improve local contrast ghs

* Change norm to norm2

* Improve GUI mode complexity and Lab GHS

* Show values BP WP in GUI

* Labgrid ghs step 1

* Labgrid for simulation GHS - step 2

* More points for Labgrid ghs

* Clean and comment code

* Fixed crash in inverse GHS white point - set to 10 points for GSH simulation

* Change to black point in inverse GHS

* Intilialize simulation with nothing if new spot

* Remove curve GHS - optimize code simulation - improve GUI

* set ghs default - fixed crash is case HP SP LP

* Fixed crash - I hope in inverse GHS

* Simplify WP and BP limits to avoid crash in inverse GHS

* Clean code with ghscurve - ghsshape

* Change tooltips

* Change to D - GUI - comment code

* Simulation with 4 more points

* Best simulation with point 0.05 and 0.95

* Clean code - change for crsah in Inverse GHS

* Show values WP and BP

rtgui/locallab.h

@@ -134,6 +134,10 @@ private:
 
     std::vector<locallabcieLC> cie_lc;
 
+    std::vector<locallabshGHS> sh_ghs;
+
+    std::vector<locallabshGHSbw> sh_ghsbw;
+
     std::vector<locallabsetLC> set_lc;
 
     std::vector<locallabcieSIG> cie_sig;
@@ -176,6 +180,12 @@ public:
     // Locallab CIE tool primaries function
     void cieChanged(const std::vector<locallabcieLC> &cielc, int selspot) override;
 
+    // Locallab SH GHS tool Curve S GHS function
+    void ghsChanged(const std::vector<locallabshGHS> &shghs, int selspot) override;
+
+    // Locallab SH GHS tool Black point & White point GHS function
+    void ghsbwChanged(const std::vector<locallabshGHSbw> &shghsbw, int selspot) override;
+
     // Locallab Log Encoding and Cam16 autocompute function
     void ciebefChanged(const std::vector<locallabcieBEF> &ciebef, int selspot) override;