3 files changed, 17 insertions(+), 16 deletions(-)

M harmony_changelog.md
M module-gui/gui/core/renderers/ArcRenderer.cpp
M module-utils/math/Math.hpp

@@ 15,6 15,7 @@
 * Removed minus sign in progress countdown timers in Relaxation, Meditation and Power Nap apps
 * Extended volume scale from 10 to 15 point scale
 * Modified volume control characteristic for better user experience
+* Reducing power consumption for meditation and power nap applications
 
 ## [2.3.0 2023-12-20]
 

@@ 1,4 1,4 @@
-// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
+// Copyright (c) 2017-2023, Mudita Sp. z.o.o. All rights reserved.
 // For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
 
 #include "ArcRenderer.hpp"


@@ 43,17 43,17 @@ namespace gui::renderer
 
         const auto start = trigonometry::toRadians(begin);
         const auto end   = trigonometry::toRadians(begin + sweep);
-        double step;
+        trigonometry::Radians step;
 
         if (radius < RadiusPrecisionLimit) {
-            step = 0.01;
+            step = 0.01f;
         }
         else {
-            step = 0.001;
+            step = 0.001f;
         }
 
-        double cosine, sine;
-        for (double radians = start; radians <= end; radians += step) {
+        trigonometry::Radians cosine, sine;
+        for (trigonometry::Radians radians = start; radians <= end; radians += step) {
             cosine = std::cos(radians);
             sine   = std::sin(radians);
             for (Length i = 0; i < width; ++i) {


@@ 74,17 74,17 @@ namespace gui::renderer
     {
         const auto start = trigonometry::toRadians(begin);
         const auto end   = trigonometry::toRadians(begin + sweep);
-        double step;
+        trigonometry::Radians step;
 
         if (radius < RadiusPrecisionLimit) {
-            step = 0.01;
+            step = 0.01f;
         }
         else {
-            step = 0.001;
+            step = 0.001f;
         }
 
         long int x, y;
-        for (double radians = start; radians <= end; radians += step) {
+        for (trigonometry::Radians radians = start; radians <= end; radians += step) {
             x = trigonometry::AdjacentSide::fromAngle(radians, radius);
             y = trigonometry::OppositeSide::fromAngle(radians, radius);
             PixelRenderer::draw(ctx, Point(center.x + x, center.y + y), color);

@@ 1,4 1,4 @@
-// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
+// Copyright (c) 2017-2023, Mudita Sp. z.o.o. All rights reserved.
 // For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
 
 #pragma once


@@ 10,7 10,7 @@ namespace trigonometry
 {
     using SideLength = std::int32_t;
     using Degrees    = std::int32_t;
-    using Radians    = double;
+    using Radians    = float;
 
     constexpr Degrees FullAngle  = 360;
     constexpr Degrees HalfAngle  = 180;


@@ 23,12 23,12 @@ namespace trigonometry
 
     struct AdjacentSide
     {
-        static auto fromAngle(Radians angle, SideLength hypotenuse) -> SideLength
+        static inline auto fromAngle(Radians angle, SideLength hypotenuse) -> SideLength
         {
             return std::round(std::cos(angle) * hypotenuse);
         }
 
-        static auto fromCosine(double cosine, SideLength hypotenuse) -> SideLength
+        static inline auto fromCosine(float cosine, SideLength hypotenuse) -> SideLength
         {
             return std::round(cosine * hypotenuse);
         }


@@ 36,12 36,12 @@ namespace trigonometry
 
     struct OppositeSide
     {
-        static auto fromAngle(Radians angle, SideLength hypotenuse) -> SideLength
+        static inline auto fromAngle(Radians angle, SideLength hypotenuse) -> SideLength
         {
             return std::round(std::sin(angle) * hypotenuse);
         }
 
-        static auto fromSine(double sine, SideLength hypotenuse) -> SideLength
+        static inline auto fromSine(float sine, SideLength hypotenuse) -> SideLength
         {
             return std::round(sine * hypotenuse);
         }