[imago-cvs] CVS update: imago/src/color.lisp imago/src/compose.lisp imago/src/convert.lisp imago/src/convolve.lisp imago/src/crc32.lisp imago/src/drawing.lisp imago/src/file-png.lisp imago/src/file-pnm.lisp imago/src/file-tga.lisp imago/src/image-utilities.lisp imago/src/image.lisp imago/src/imago.asd imago/src/operations.lisp imago/src/package.lisp imago/src/utilities.lisp
Matthieu Villeneuve
mvilleneuve at common-lisp.net
Mon Jan 3 20:56:10 UTC 2005
Update of /project/imago/cvsroot/imago/src
In directory common-lisp.net:/tmp/cvs-serv5561
Modified Files:
color.lisp compose.lisp convert.lisp convolve.lisp crc32.lisp
drawing.lisp file-png.lisp file-pnm.lisp file-tga.lisp
image-utilities.lisp image.lisp imago.asd operations.lisp
package.lisp utilities.lisp
Log Message:
Cosmetic changes (definition order, copyright, etc.)
Date: Mon Jan 3 21:56:02 2005
Author: mvilleneuve
Index: imago/src/color.lisp
diff -u imago/src/color.lisp:1.2 imago/src/color.lisp:1.3
--- imago/src/color.lisp:1.2 Mon Jan 3 21:49:59 2005
+++ imago/src/color.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; Color operations
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
Index: imago/src/compose.lisp
diff -u imago/src/compose.lisp:1.1.1.1 imago/src/compose.lisp:1.2
--- imago/src/compose.lisp:1.1.1.1 Thu Oct 14 00:01:55 2004
+++ imago/src/compose.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; Image composition
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
@@ -12,11 +12,18 @@
(in-package :imago)
+
(defgeneric compose (dest image1 image2 x y operator)
(:documentation "Composes IMAGE1 and IMAGE2 at offset (X, Y), using
OPERATOR to compose each pixel. OPERATOR must be a function of two colors,
returning a color."))
+(defgeneric default-compose-operator (image)
+ (:documentation "Returns a compose operator that can be applied to
+images of the same type as IMAGE. The default operator mixes colors
+according to their respective alpha component."))
+
+
(defmethod compose ((dest (eql nil)) (image1 image) (image2 image)
x y operator)
(let ((dest (make-similar-image image1)))
@@ -45,8 +52,6 @@
(image-pixel image2 x2 y2)))))))
dest)
-
-(defgeneric default-compose-operator (image))
(defmethod default-compose-operator ((image rgb-image))
(lambda (color1 color2)
Index: imago/src/convert.lisp
diff -u imago/src/convert.lisp:1.1.1.1 imago/src/convert.lisp:1.2
--- imago/src/convert.lisp:1.1.1.1 Thu Oct 14 00:01:46 2004
+++ imago/src/convert.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; Image format conversions
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
@@ -12,8 +12,14 @@
(in-package :imago)
+
(defgeneric convert-to-rgb (image))
+(defgeneric convert-to-grayscale (image))
+
+(defgeneric convert-to-indexed (image))
+
+
(defmethod convert-to-rgb ((image indexed-image))
(let* ((width (image-width image))
(height (image-height image))
@@ -41,8 +47,6 @@
(make-color gray gray gray))))
result))
-(defgeneric convert-to-grayscale (image))
-
(defmethod convert-to-grayscale ((image rgb-image))
(let* ((width (image-width image))
(height (image-height image))
@@ -68,8 +72,6 @@
(setf (row-major-aref result-pixels i)
(color-intensity (aref colormap color-index)))))
result))
-
-(defgeneric convert-to-indexed (image))
(defmethod convert-to-indexed ((image rgb-image))
(error "Not implemented"))
Index: imago/src/convolve.lisp
diff -u imago/src/convolve.lisp:1.1.1.1 imago/src/convolve.lisp:1.2
--- imago/src/convolve.lisp:1.1.1.1 Thu Oct 14 00:01:51 2004
+++ imago/src/convolve.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; Image filters (based on 5x5 convolution matrices)
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
@@ -12,7 +12,10 @@
(in-package :imago)
-(defgeneric convolve (image matrix divisor offset))
+
+(defgeneric convolve (image matrix divisor offset)
+ (:documentation "Applies a 5x5 convolution kernel (a 5x5 real number
+matrix) to an image. Returns the resulting image."))
(defmethod convolve ((image rgb-image) matrix divisor offset)
(with-image-definition (image width height pixels)
Index: imago/src/crc32.lisp
diff -u imago/src/crc32.lisp:1.1.1.1 imago/src/crc32.lisp:1.2
--- imago/src/crc32.lisp:1.1.1.1 Thu Oct 14 00:01:55 2004
+++ imago/src/crc32.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; CRC32 checksum calculation
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
@@ -11,6 +11,7 @@
(in-package :imago)
+
(defparameter +crc32-table+
(loop with table = (make-array 256 :element-type '(unsigned-byte 32))
Index: imago/src/drawing.lisp
diff -u imago/src/drawing.lisp:1.1.1.1 imago/src/drawing.lisp:1.2
--- imago/src/drawing.lisp:1.1.1.1 Thu Oct 14 00:01:46 2004
+++ imago/src/drawing.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; Drawing simple shapes
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
@@ -11,6 +11,7 @@
(in-package :imago)
+
(defun draw-point (image x y color)
"Draws a point in an image."
Index: imago/src/file-png.lisp
diff -u imago/src/file-png.lisp:1.3 imago/src/file-png.lisp:1.4
--- imago/src/file-png.lisp:1.3 Wed Oct 20 08:20:55 2004
+++ imago/src/file-png.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; PNG file handling
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
@@ -12,6 +12,7 @@
(in-package :imago)
+
(defparameter +png-signature+ '#(137 80 78 71 13 10 26 10))
(defparameter +png-ihdr-chunk-type+ #x49484452)
@@ -144,7 +145,11 @@
(unless (zerop (mod data-bit-index 8))
(incf data-bit-index (- 8 (mod data-bit-index 8)))))
(loop with samples-index = 0
- with pixels = (make-array (list height width) :initial-element 0)
+ with pixels = (make-array (list height width)
+ :element-type (ecase color-type
+ ((2 6) 'rgb-pixel)
+ ((0 4) 'grayscale-pixel)
+ ((3) 'indexed-pixel)))
for y below height
do (loop for x below width
do (macrolet ((next-byte ()
Index: imago/src/file-pnm.lisp
diff -u imago/src/file-pnm.lisp:1.1.1.1 imago/src/file-pnm.lisp:1.2
--- imago/src/file-pnm.lisp:1.1.1.1 Thu Oct 14 00:01:51 2004
+++ imago/src/file-pnm.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; PNM file handling
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
@@ -11,6 +11,7 @@
(in-package :imago)
+
(defun read-pnm (filespec)
"Reads data for an image in PNM format from a file, and returns
Index: imago/src/file-tga.lisp
diff -u imago/src/file-tga.lisp:1.1.1.1 imago/src/file-tga.lisp:1.2
--- imago/src/file-tga.lisp:1.1.1.1 Thu Oct 14 00:01:55 2004
+++ imago/src/file-tga.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; TGA file handling
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
@@ -11,6 +11,7 @@
(in-package :imago)
+
(defun read-tga (filespec)
(with-open-file (stream filespec :direction :input
Index: imago/src/image-utilities.lisp
diff -u imago/src/image-utilities.lisp:1.1.1.1 imago/src/image-utilities.lisp:1.2
--- imago/src/image-utilities.lisp:1.1.1.1 Thu Oct 14 00:01:49 2004
+++ imago/src/image-utilities.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; Image related utilities
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
@@ -11,6 +11,7 @@
(in-package :imago)
+
(declaim (inline in-image-p))
(defun in-image-p (x y image)
Index: imago/src/image.lisp
diff -u imago/src/image.lisp:1.2 imago/src/image.lisp:1.3
--- imago/src/image.lisp:1.2 Mon Jan 3 21:45:41 2005
+++ imago/src/image.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; Image data structure definitions
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
Index: imago/src/imago.asd
diff -u imago/src/imago.asd:1.1.1.1 imago/src/imago.asd:1.2
--- imago/src/imago.asd:1.1.1.1 Thu Oct 14 00:01:51 2004
+++ imago/src/imago.asd Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; ASDF system definition
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The author grants you the rights to distribute
;;; and use this software as governed by the terms
Index: imago/src/operations.lisp
diff -u imago/src/operations.lisp:1.1.1.1 imago/src/operations.lisp:1.2
--- imago/src/operations.lisp:1.1.1.1 Thu Oct 14 00:01:50 2004
+++ imago/src/operations.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; Image operations
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
@@ -12,11 +12,26 @@
(in-package :imago)
+
(defgeneric copy (dest src &key dest-x dest-y src-x src-y width height)
(:documentation "Copies a rectangular region from image SRC to image DEST.
Both images must be large enough to contain the specified region at
the given positions. Both images must be of same type."))
+(defgeneric scale (image width-factor height-factor)
+ (:documentation "Returns an newly created image corresponding to the
+IMAGE image, with its dimensions multiplied by the given factors."))
+
+(defgeneric resize (image new-width new-height)
+ (:documentation "Returns an newly created image corresponding to the
+IMAGE image, with given dimensions."))
+
+(defgeneric flip (dest image axis)
+ (:documentation "Flips an image. AXIS may be either :HORIZONTAL or
+:VERTICAL. DEST must be either an image of same type and dimensions as
+IMAGE, or NIL. Returns the resulting image."))
+
+
(defmethod copy ((dest (eql nil)) (src image)
&key (dest-x 0) (dest-y 0) (src-x 0) (src-y 0) width height)
(declare (ignore dest-x dest-y))
@@ -76,10 +91,6 @@
(incf src-y)))
dest)
-(defgeneric scale (image width-factor height-factor)
- (:documentation "Returns an newly created image corresponding to the
-IMAGE image, with its dimensions multiplied by the given factors."))
-
(defmethod scale ((image image) width-factor height-factor)
(let ((width (image-width image))
(height (image-height image)))
@@ -87,10 +98,6 @@
(floor (* width width-factor))
(floor (* height height-factor)))))
-(defgeneric resize (image new-width new-height)
- (:documentation "Returns an newly created image corresponding to the
-IMAGE image, with given dimensions."))
-
(defmethod resize ((image image) new-width new-height)
(let* ((dest (make-instance (class-of image)
:width new-width :height new-height))
@@ -121,11 +128,6 @@
(incf image-line-index image-width)
(decf y-err new-height)))))))
dest))
-
-(defgeneric flip (dest image axis)
- (:documentation "Flips an image. AXIS may be either :HORIZONTAL or
-:VERTICAL. DEST must be either an image of same type and dimensions as
-IMAGE, or NIL. Returns the resulting image."))
(defmethod flip ((dest (eql nil)) (image image) axis)
(let ((dest (make-similar-image image)))
Index: imago/src/package.lisp
diff -u imago/src/package.lisp:1.2 imago/src/package.lisp:1.3
--- imago/src/package.lisp:1.2 Mon Jan 3 21:46:17 2005
+++ imago/src/package.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; Package definition
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
Index: imago/src/utilities.lisp
diff -u imago/src/utilities.lisp:1.1.1.1 imago/src/utilities.lisp:1.2
--- imago/src/utilities.lisp:1.1.1.1 Thu Oct 14 00:01:50 2004
+++ imago/src/utilities.lisp Mon Jan 3 21:56:02 2005
@@ -1,7 +1,7 @@
;;; IMAGO library
;;; General utilities
;;;
-;;; Copyright (C) 2004 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
+;;; Copyright (C) 2004-2005 Matthieu Villeneuve (matthieu.villeneuve at free.fr)
;;;
;;; The authors grant you the rights to distribute
;;; and use this software as governed by the terms
@@ -11,6 +11,7 @@
(in-package :imago)
+
;;; Binary streams
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