Move HSV color conversion to a separate source file.

1 files changed, 36 insertions, 0 deletions

diff --git a/server/TracyColor.cpp b/server/TracyColor.cpp
new file mode 100644
index 00000000..4e3f2e88
--- /dev/null
+++ b/server/TracyColor.cpp
@@ -0,0 +1,36 @@
+#include <algorithm>
+
+#include "TracyColor.hpp"
+
+namespace tracy
+{
+
+uint32_t GetHsvColor( uint64_t hue, int value )
+{
+    const uint8_t h = ( hue * 11400714819323198485ull ) & 0xFF;
+    const uint8_t s = 108;
+    const uint8_t v = std::max( 96, 170 - value * 8 );
+
+    const uint8_t reg = h / 43;
+    const uint8_t rem = ( h - ( reg * 43 ) ) * 6;
+
+    const uint8_t p = ( v * ( 255 - s ) ) >> 8;
+    const uint8_t q = ( v * ( 255 - ( ( s * rem ) >> 8 ) ) ) >> 8;
+    const uint8_t t = ( v * ( 255 - ( ( s * ( 255 - rem ) ) >> 8 ) ) ) >> 8;
+
+    uint8_t r, g, b;
+
+    switch( reg )
+    {
+    case 0:  r = v; g = t; b = p; break;
+    case 1:  r = q; g = v; b = p; break;
+    case 2:  r = p; g = v; b = t; break;
+    case 3:  r = p; g = q; b = v; break;
+    case 4:  r = t; g = p; b = v; break;
+    default: r = v; g = p; b = q; break;
+    }
+
+    return 0xFF000000 | ( r << 16 ) | ( g << 8 ) | b;
+}
+
+}