diff options
Diffstat (limited to 'guile/starlet/colours.scm')
| -rw-r--r-- | guile/starlet/colours.scm | 45 |
1 files changed, 1 insertions, 44 deletions
diff --git a/guile/starlet/colours.scm b/guile/starlet/colours.scm index cf71567..2162322 100644 --- a/guile/starlet/colours.scm +++ b/guile/starlet/colours.scm @@ -37,13 +37,7 @@ blue interpolate-colour - white - - <colour-component-id> - colour-component-id? - colour-component-id - get-colour-component - extract-colour-component)) + white)) (define-class <colour> (<object>) @@ -167,40 +161,3 @@ (make-exception-with-message "Unrecognised colour interpolation type") (make-exception-with-irritants interpolation-type)))))) - - -(define-class <colour-component-id> (<object>) - (component - #:init-form (error "Colour component must be specified") - #:init-keyword #:component - #:getter get-colour-component)) - - -(define (colour-component-id? a) - (is-a? a <colour-component-id>)) - - -(define (colour-component-id a) - (make <colour-component-id> - #:component a)) - - -(define (extract-colour-component col component-id) - (cond - ((eq? (get-colour-component component-id) 'cyan) - (cyan (colour-as-cmy col))) - ((eq? (get-colour-component component-id) 'magenta) - (magenta (colour-as-cmy col))) - ((eq? (get-colour-component component-id) 'yellow) - (yellow (colour-as-cmy col))) - ((eq? (get-colour-component component-id) 'red) - (red (colour-as-rgb col))) - ((eq? (get-colour-component component-id) 'green) - (green (colour-as-rgb col))) - ((eq? (get-colour-component component-id) 'blue) - (blue (colour-as-rgb col))) - (else (raise-exception (make-exception - (make-exception-with-message - "Invalid colour component ID") - (make-exception-with-irritants - (get-colour-component component-id))))))) |