1 files changed, 49 insertions, 0 deletions
diff --git a/crawl-ref/source/rltiles/tool/tile_colour.h b/crawl-ref/source/rltiles/tool/tile_colour.h
index 4c77162b9f..f660c84829 100644
--- a/crawl-ref/source/rltiles/tool/tile_colour.h
+++ b/crawl-ref/source/rltiles/tool/tile_colour.h
@@ -1,6 +1,30 @@
 #ifndef TILE_COLOUR_H
 #define TILE_COLOUR_H
 
+enum COLORS
+{
+    BLACK,
+    BLUE,
+    GREEN,
+    CYAN,
+    RED,
+    MAGENTA,
+    BROWN,
+    LIGHTGRAY,
+    LIGHTGREY = LIGHTGRAY,
+    DARKGRAY,
+    DARKGREY = DARKGRAY,
+    LIGHTBLUE,
+    LIGHTGREEN,
+    LIGHTCYAN,
+    LIGHTRED,
+    LIGHTMAGENTA,
+    YELLOW,
+    WHITE,
+    MAX_TERM_COLOUR,
+    MAX_COLOUR = MAX_TERM_COLOUR
+};
+
 class tile_colour
 {
 public:
@@ -12,6 +36,31 @@ public:
     bool operator!=(const tile_colour &rhs) const;
     const tile_colour &operator=(const tile_colour &rhs);
 
+    unsigned char &operator[](int idx);
+    unsigned char operator[](int idx) const;
+
+    // Get the HSV/HSL hue, from 0..360.
+    int get_hue() const;
+    // Set the hue, from 0..360.
+    void set_hue(int h);
+    // Change the saturation to 0.
+    void desaturate();
+    // Change the luminance by lum_percent %.
+    void change_lum(int lum_percent);
+
+    int get_max_rgb() const;
+    int get_min_rgb() const;
+
+    // Set the color from HSV.  hue is 0..360.  min_rgb and max_rgb are 0..255.
+    void set_from_hue(int hue, int min_rgb, int max_rgb);
+
+    // Set the color from HSL.  hue is 0..360.  sat and lum are 0..1.
+    void set_from_hsl(int hue, float sat, float lum);
+    // Get the HSL saturation, from 0..1.
+    float get_sat() const;
+    // Get the HSL luminance, from 0..1.
+    float get_lum() const;
+
     unsigned char r;
     unsigned char g;
     unsigned char b;