/[mcclim]/mcclim/pixmap.lisp
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Contents of /mcclim/pixmap.lisp

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Revision 1.3 - (hide annotations)
Sun Oct 14 15:35:08 2001 UTC (12 years, 6 months ago) by rouanet
Branch: MAIN
Changes since 1.2: +16 -5 lines
Implemented the {native,device}-{transformation,region} code for
pixmaps, which allows the drawing functions to work with pixmaps.
1 cvs 1.1 ;;; -*- Mode: Lisp; Package: CLIM-INTERNALS -*-
2    
3     ;;; (c) copyright 2001 by Iban HATCHONDO (hatchond@mei.u-bordeaux.fr)
4    
5     ;;; This library is free software; you can redistribute it and/or
6     ;;; modify it under the terms of the GNU Library General Public
7     ;;; License as published by the Free Software Foundation; either
8     ;;; version 2 of the License, or (at your option) any later version.
9     ;;;
10     ;;; This library is distributed in the hope that it will be useful,
11     ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
12     ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13     ;;; Library General Public License for more details.
14     ;;;
15     ;;; You should have received a copy of the GNU Library General Public
16     ;;; License along with this library; if not, write to the
17     ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18     ;;; Boston, MA 02111-1307 USA.
19    
20     (in-package :CLIM-INTERNALS)
21    
22     (defclass pixmap ()
23     ((sheet :initarg :sheet :reader pixmap-sheet)
24     (width :initarg :width :reader pixmap-width)
25     (height :initarg :height :reader pixmap-height)
26     ))
27    
28     (defgeneric pixmap-mirror (mirrored-pixmap))
29     (defgeneric allocate-pixmap (sheet width height))
30     (defgeneric deallocate-pixmap (pixmap))
31 rouanet 1.2 (defgeneric copy-to-pixmap (medium medium-x medium-y width height
32 cvs 1.1 &optional pixmap (pixmap-x 0) (pixmap-y 0)))
33 rouanet 1.2 (defgeneric copy-from-pixmap (pixmap from-x from-y width height
34     medium medium-x medium-y))
35     (defgeneric copy-area (medium from-x from-y width height to-x to-y))
36     (defgeneric medium-copy-area (from-drawable from-x from-y width height
37     to-drawable to-x to-y))
38 cvs 1.1
39     (defclass mirrored-pixmap (pixmap)
40     ((port :initform nil :initarg :port :accessor port)
41     (medium :initform nil :accessor pixmap-medium)
42     (region :initform nil :accessor sheet-region)
43     ))
44    
45     (defmethod initialize-instance :after ((pixmap mirrored-pixmap) &rest args)
46     (declare (ignore args))
47     (with-slots (width height region) pixmap
48     (setf region (make-bounding-rectangle 0 0 width height))))
49    
50     (defmethod pixmap-mirror ((pixmap mirrored-pixmap))
51     (port-lookup-mirror (port pixmap) pixmap))
52    
53     (defmethod allocate-pixmap ((sheet sheet) width height)
54     (port-allocate-pixmap (port sheet) sheet width height))
55    
56     (defmethod deallocate-pixmap ((pixmap pixmap))
57     (port-deallocate-pixmap (port (pixmap-sheet pixmap)) pixmap))
58    
59 rouanet 1.3 (defmethod sheet-native-transformation ((pixmap mirrored-pixmap))
60     +identity-transformation+)
61 cvs 1.1
62 rouanet 1.3 (defmethod sheet-native-region ((pixmap mirrored-pixmap))
63     (make-rectangle* 0 0
64     (pixmap-width pixmap)
65     (pixmap-height pixmap)))
66    
67     (defmethod sheet-device-transformation ((pixmap mirrored-pixmap))
68     (medium-transformation (pixmap-medium pixmap)))
69    
70     (defmethod sheet-device-region ((pixmap mirrored-pixmap))
71     (region-intersection
72     (sheet-native-region pixmap)
73     (transform-region
74     (sheet-device-transformation pixmap)
75     (medium-clipping-region (pixmap-medium pixmap)))))

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