Select › Color Range: sampled colours, Fuzziness, Invert, a live preview and the panel (13.3b)

kernels/WandPixels.h

@@ -10,6 +10,13 @@
 // `mask` (width * height bytes). Returns the number selected, or -1 when memory runs out.
 long wand_mask(const uint8_t *rgba, size_t width, size_t height, size_t stride,
                size_t seedX, size_t seedY, size_t radius, int tolerance, int contiguous, uint8_t *mask);
+// Select > Color Range over premultiplied RGBA (as above). A pixel matches when every color channel is within
+// `fuzziness` of one of the `includeCount` colors in `include` and of none in `exclude` (straight sRGB, 3 bytes
+// each). Transparent pixels never match. With `invert`, the pixels that don't match are selected instead. Writes
+// 255 for selected, 0 elsewhere, into `mask`, and returns the number selected.
+long color_range_mask(const uint8_t *rgba, size_t width, size_t height, size_t stride,
+                      const uint8_t *include, int includeCount, const uint8_t *exclude, int excludeCount,
+                      int fuzziness, int invert, uint8_t *mask);
 // Outline of the nonzero pixels of `mask`, along pixel edges, as closed loops of corner points
 // (x, y pairs in pixel-edge coordinates). Outer boundaries run clockwise and holes
 // counterclockwise in top-left coordinates, so the winding rule fills exactly those pixels.