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[closure-html.git] / src / renderer / device.lisp
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1 ;;; -*- Mode: Lisp; Syntax: Common-Lisp; Package: RENDERER; -*-
2 ;;; ---------------------------------------------------------------------------
3 ;;; Title: A Little Device Abstraction
4 ;;; Created: 2003-03-08
5 ;;; Author: Gilbert Baumann <gilbert@base-engineering.com>
6 ;;; License: MIT style (see below)
7 ;;; ---------------------------------------------------------------------------
8 ;;; (c) copyright 1998-2003 by Gilbert Baumann
10 ;;; Permission is hereby granted, free of charge, to any person obtaining
11 ;;; a copy of this software and associated documentation files (the
12 ;;; "Software"), to deal in the Software without restriction, including
13 ;;; without limitation the rights to use, copy, modify, merge, publish,
14 ;;; distribute, sublicense, and/or sell copies of the Software, and to
15 ;;; permit persons to whom the Software is furnished to do so, subject to
16 ;;; the following conditions:
17 ;;;
18 ;;; The above copyright notice and this permission notice shall be
19 ;;; included in all copies or substantial portions of the Software.
20 ;;;
21 ;;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 ;;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 ;;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24 ;;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
25 ;;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
26 ;;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
27 ;;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 (in-package :RENDERER)
31 (defgeneric device-dpi (device))
32 (defgeneric device-font-ascent (device font))
33 (defgeneric device-font-descent (device font))
34 (defgeneric device-font-underline-position (device font))
35 (defgeneric device-font-underline-thickness (device font))
36 (defgeneric device-font-has-glyph-p (device font code-point))
37 (defgeneric device-font-glyph-width (device font code-point))
38 (defgeneric scale-font-desc (device font-desc size))
39 (defgeneric device-realize-font-desc (device font-desc))
40 (defgeneric device-font-database (device))