1 files changed, 0 insertions, 111 deletions
diff --git a/pnm/ppm.scm b/pnm/ppm.scm
deleted file mode 100644
index ff1abb3..0000000
--- a/pnm/ppm.scm
+++ /dev/null
@@ -1,111 +0,0 @@
-;;; R7RS-PNM --- Library for reading and writing PNM (Portable Any Map) files for R7RS
-;;; Copyright © 2024 Masaya Tojo <masaya@tojo.tokyo>
-;;;
-;;; This file is part of R7RS-PNM.
-;;;
-;;; R7RS-PNM is free software: you can redistribute it and/or modify it
-;;; under the terms of the GNU Lesser General Public License as published
-;;; by the Free Software Foundation, either version 3 of the License, or
-;;; (at your option) any later version.
-;;;
-;;; R7RS-PNM is distributed in the hope that it will be useful, but
-;;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;;; GNU Lesser General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU Lesser General Public License
-;;; along with R7RS-PNM. If not, see <https://www.gnu.org/licenses/>.
-
-(define-library (pnm ppm)
-  (export make-ppm-image
-          %make-ppm-image)
-  (import (scheme base)
-          (scheme case-lambda)
-          (pnm image)
-          (pnm private checker)
-          (pnm private double-byte))
-  (begin
-    (define make-ppm-image
-      (case-lambda
-        ((width height)
-         (make-ppm-image width height 255))
-        ((width height maxval)
-         (make-ppm-image width height maxval #f))
-        ((width height maxval unsafe?)
-         (when (or (< maxval 0)
-                   (< 65536 maxval))
-           (error "(pnm ppm) make-ppm-image: Maxval is out of range"))
-         (let ((data (make-bytevector (* width
-                                         height
-                                         (if (< maxval 256)
-                                             3
-                                             6))
-                                      0)))
-           (%make-ppm-image width height maxval data unsafe?)))))
-
-    (define (%make-ppm-image width height maxval data unsafe?)
-      (define (make-safe-pixel-getter pixel-getter)
-        (let ((check-xy (make-xy-checker width height)))
-          (lambda (x y)
-            (check-xy x y)
-            (pixel-getter x y))))
-      (define (make-safe-pixel-setter pixel-setter)
-        (let ((check-xy (make-xy-checker width height))
-              (check-value-r (make-value-checker maxval 'r))
-              (check-value-g (make-value-checker maxval 'g))
-              (check-value-b (make-value-checker maxval 'b)))
-          (lambda (x y r g b)
-            (check-xy x y)
-            (check-value-r r)
-            (check-value-g g)
-            (check-value-b b)
-            (pixel-setter x y r g b))))
-      (when (or (< maxval 0)
-                (< 65536 maxval))
-        (error "(pnm ppm) make-ppm-image: Maxval is out of range"))
-      (if (< maxval 256)
-          (let* ((w*3 (* width 3))
-                 (byte-count (* w*3 height)))
-            (define (xy->idx x y) (+ (* 3 x) (* y w*3)))
-            (define (pixel-getter x y)
-              (let ((idx (xy->idx x y)))
-                (values (bytevector-u8-ref data idx)
-                        (bytevector-u8-ref data (+ idx 1))
-                        (bytevector-u8-ref data (+ idx 2)))))
-            (define (pixel-setter x y r g b)
-              (let ((idx (xy->idx x y)))
-                (bytevector-u8-set! data idx r)
-                (bytevector-u8-set! data (+ idx 1) g)
-                (bytevector-u8-set! data (+ idx 2) b)))
-            (unless (= byte-count (bytevector-length data))
-              (error (string-append "(pnm pbm) make-pbm-image: Invalid bytevector length" byte-count)))
-            (make-pnm-image 'ppm width height maxval data
-                            (if unsafe? pixel-getter (make-safe-pixel-getter pixel-getter))
-                            (if unsafe? pixel-setter (make-safe-pixel-setter pixel-setter))))
-          (let* ((w*6 (* width 6))
-                 (byte-count (* w*6 height)))
-            (define (xy->idx x y) (+ (* 6 x) (* y w*6)))
-            (define (pixel-getter x y)
-              (let ((idx (xy->idx x y)))
-                (values (combine-bytes (bytevector-u8-ref data idx)
-                                       (bytevector-u8-ref data (+ idx 1)))
-                        (combine-bytes (bytevector-u8-ref data (+ idx 2))
-                                       (bytevector-u8-ref data (+ idx 3)))
-                        (combine-bytes (bytevector-u8-ref data (+ idx 4))
-                                       (bytevector-u8-ref data (+ idx 5))))))
-            (define (pixel-setter x y r g b)
-              (let ((idx (xy->idx x y)))
-                (let-values (((r1 r2) (split-double-byte r))
-                             ((g1 g2) (split-double-byte g))
-                             ((b1 b2) (split-double-byte b)))
-                  (bytevector-u8-set! data idx r1)
-                  (bytevector-u8-set! data (+ idx 1) r2)
-                  (bytevector-u8-set! data (+ idx 2) g1)
-                  (bytevector-u8-set! data (+ idx 3) g2)
-                  (bytevector-u8-set! data (+ idx 4) b1)
-                  (bytevector-u8-set! data (+ idx 5) b2))))
-            (unless (= byte-count (bytevector-length data))
-              (error (string-append "(pnm pbm) make-pbm-image: Invalid bytevector length" byte-count)))
-            (make-pnm-image 'ppm width height maxval data
-                            (if unsafe? pixel-getter (make-safe-pixel-getter pixel-getter))
-                            (if unsafe? pixel-setter (make-safe-pixel-setter pixel-setter))))))))