[gnome-settings-daemon/benzea/blackbody-color-unstable: 27/27] color: Switch to better black body color calculation



commit 62981b3c18baa1e34060062c3ae8f1c1b3064691
Author: Benjamin Berg <bberg redhat com>
Date:   Mon Jun 3 15:00:50 2019 +0200

    color: Switch to better black body color calculation
    
    The planckian calculation is much better, but it also means we need to
    change the default from 4000K to 2700K to get a similar effect. 2700K is
    actually a good value as it is similar to commonly found "warm-white"
    artificial lights.
    
    Note that the defaults and range in g-c-c will also need to be adjusted
    for this change.

 data/org.gnome.settings-daemon.plugins.color.gschema.xml.in | 2 +-
 plugins/color/gsd-color-state.c                             | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/data/org.gnome.settings-daemon.plugins.color.gschema.xml.in 
b/data/org.gnome.settings-daemon.plugins.color.gschema.xml.in
index cb24e3c2..286ea808 100644
--- a/data/org.gnome.settings-daemon.plugins.color.gschema.xml.in
+++ b/data/org.gnome.settings-daemon.plugins.color.gschema.xml.in
@@ -17,7 +17,7 @@
       <description>Night light mode changes the color temperature of your display when the sun has gone down 
or at preset times.</description>
     </key>
     <key name="night-light-temperature" type="u">
-      <default>4000</default>
+      <default>2700</default>
       <summary>Temperature of the display when enabled</summary>
       <description>This temperature in Kelvin is used to modify the screen tones when night light mode is 
enabled. Higher values are bluer, lower redder.</description>
     </key>
diff --git a/plugins/color/gsd-color-state.c b/plugins/color/gsd-color-state.c
index b4bf1807..26a277a1 100644
--- a/plugins/color/gsd-color-state.c
+++ b/plugins/color/gsd-color-state.c
@@ -411,7 +411,7 @@ gcm_session_generate_vcgt (CdProfile *profile, guint color_temperature, guint si
         /* get the color temperature */
         if (!cd_color_get_blackbody_rgb_full (color_temperature,
                                               &temp,
-                                              CD_COLOR_BLACKBODY_FLAG_NONE)) {
+                                              CD_COLOR_BLACKBODY_FLAG_USE_PLANCKIAN)) {
                 g_warning ("failed to get blackbody for %uK", color_temperature);
                 cd_color_rgb_set (&temp, 1.0, 1.0, 1.0);
         } else {
@@ -564,7 +564,7 @@ gcm_session_device_reset_gamma (GnomeRROutput *output,
         /* get the color temperature */
         if (!cd_color_get_blackbody_rgb_full (color_temperature,
                                               &temp,
-                                              CD_COLOR_BLACKBODY_FLAG_NONE)) {
+                                              CD_COLOR_BLACKBODY_FLAG_USE_PLANCKIAN)) {
                 g_warning ("failed to get blackbody for %uK", color_temperature);
                 cd_color_rgb_set (&temp, 1.0, 1.0, 1.0);
         } else {


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