code integration

quokka_gfx/utils/Colors.cpp

@@ -0,0 +1,68 @@
+#include "Colors.h"
+
+using namespace quokka_gfx;
+//--------------------------------------------------------------
+const Color Color::Black{ 0, 0, 0, 255 };
+const Color Color::White{ 255, 255, 255, 255 };
+const Color Color::Red{ 255, 0, 0, 255 };
+const Color Color::Green{ 0, 255, 0, 255 };
+const Color Color::Blue{ 0, 0, 255, 255 };
+const Color Color::Yellow{ 255, 255, 0, 255 };
+const Color Color::Magenta{ 255, 0, 255, 255 };
+const Color Color::Cyan{ 0, 255, 255, 255 };
+const Color Color::Transparent{ 0, 0, 0, 0 };
+//--------------------------------------------------------------
+/* Constructor */
+constexpr Color::Color(const uint8_t red, const uint8_t green, const uint8_t blue, const uint8_t alpha)
+  : r(red)
+  , g(green)
+  , b(blue)
+  , a(alpha)
+{
+}
+//--------------------------------------------------------------
+/* Constructor */
+constexpr Color::Color(const uint32_t hexColor)
+  : r((hexColor >> 16) & 0xFF)
+  , g((hexColor >> 8) & 0xFF)
+  , b(hexColor & 0xFF)
+  , a((hexColor >> 24) & 0xFF ? (hexColor >> 24) & 0xFF : 255)
+{
+}
+//--------------------------------------------------------------
+/* Convert Color to SDL_Color */
+constexpr Color::operator SDL_Color() const
+{
+  return toSDL_Color();
+}
+//--------------------------------------------------------------
+/* Convert Color to SDL_FColor */
+constexpr Color::operator SDL_FColor() const
+{
+  return toSDL_FColor();
+}
+//--------------------------------------------------------------
+/* Convert Color to hex representation */
+constexpr uint32_t Color::toHex() const
+{
+  return (static_cast<uint32_t>(a) << 24) |
+         (static_cast<uint32_t>(r) << 16) |
+         (static_cast<uint32_t>(g) << 8) |
+         static_cast<uint32_t>(b);
+}
+//--------------------------------------------------------------
+/* Convert Color to SDL_Color */
+constexpr SDL_Color Color::toSDL_Color() const
+{
+  return SDL_Color{ r, g, b, a };
+}
+//--------------------------------------------------------------
+/* Convert Color to SDL_FColor */
+constexpr SDL_FColor Color::toSDL_FColor() const
+{
+  return SDL_FColor{ static_cast<float>(r) / 255.0f,
+                     static_cast<float>(g) / 255.0f,
+                     static_cast<float>(b) / 255.0f,
+                     static_cast<float>(a) / 255.0f };
+}
+//--------------------------------------------------------------