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annotate lisp/fontcolor.el @ 5178:97eb4942aec8
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| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Mon, 29 Mar 2010 21:28:13 -0500 |
| parents | lisp/objects.el@5502045ec510 lisp/objects.el@8b2f75cecb89 |
| children | 308d34e9f07d |
| rev | line source |
|---|---|
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1 ;;; fontcolor.el --- Lisp interface to fonts and colors |
| 428 | 2 |
| 3 ;; Copyright (C) 1994, 1997 Free Software Foundation, Inc. | |
| 4 ;; Copyright (C) 1995 Ben Wing | |
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5 ;; Copyright (C) 2010 Didier Verna |
| 428 | 6 |
| 7 ;; Author: Chuck Thompson <cthomp@xemacs.org> | |
| 8 ;; Author: Ben Wing <ben@xemacs.org> | |
| 9 ;; Maintainer: XEmacs Development Team | |
| 10 ;; Keywords: faces, internal, dumped | |
| 11 | |
| 12 ;; This file is part of XEmacs. | |
| 13 | |
| 14 ;; XEmacs is free software; you can redistribute it and/or modify it | |
| 15 ;; under the terms of the GNU General Public License as published by | |
| 16 ;; the Free Software Foundation; either version 2, or (at your option) | |
| 17 ;; any later version. | |
| 18 | |
| 19 ;; XEmacs is distributed in the hope that it will be useful, but | |
| 20 ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 22 ;; General Public License for more details. | |
| 23 | |
| 24 ;; You should have received a copy of the GNU General Public License | |
| 25 ;; along with XEmacs; see the file COPYING. If not, write to the | |
| 26 ;; Free Software Foundation, 59 Temple Place - Suite 330, | |
| 27 ;; Boston, MA 02111-1307, USA. | |
| 28 | |
| 29 ;;; Synched up with: Not in FSF. | |
| 30 | |
| 31 ;;; Commentary: | |
| 32 | |
| 33 ;; This file is dumped with XEmacs. | |
| 34 | |
| 35 ;;; Code: | |
| 36 | |
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37 (defun fontcolor-property-1 (function object domain &optional matchspec) |
| 428 | 38 (let ((instance (if matchspec |
| 39 (specifier-matching-instance object matchspec domain) | |
| 40 (specifier-instance object domain)))) | |
| 41 (and instance (funcall function instance)))) | |
| 42 | |
| 43 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; font specifiers | |
| 44 | |
| 45 (defun make-font-specifier (spec-list) | |
| 46 "Return a new `font' specifier object with the given specification list. | |
| 47 SPEC-LIST can be a list of specifications (each of which is a cons of a | |
| 48 locale and a list of instantiators), a single instantiator, or a list | |
| 49 of instantiators. See `make-specifier' for more information about | |
| 442 | 50 specifiers. |
| 51 | |
| 52 Valid instantiators for font specifiers are: | |
| 53 | |
| 3111 | 54 -- a string naming a font; syntax is platform dependent. Some examples for |
| 55 a 14-point upright medium-weight Courier font: | |
| 56 X11 (and GTK1): \"-*-courier-medium-r-*-*-*-140-*-*-*-*-iso8859-*\" | |
| 57 Xft (and GTK2): \"Courier-14\" | |
| 58 MS-Windows: \"Courier:14:Western\" | |
| 442 | 59 -- a font instance (use that instance directly if the device matches, |
| 60 or use the string that generated it) | |
| 61 -- a vector of no elements (only on TTY's; this means to set no font | |
| 62 at all, thus using the \"natural\" font of the terminal's text) | |
| 63 -- a vector of one element (a face to inherit from) | |
| 64 " | |
| 428 | 65 (make-specifier-and-init 'font spec-list)) |
| 66 | |
| 67 (defun font-name (font &optional domain charset) | |
| 68 "Return the name of the FONT in the specified DOMAIN, if any. | |
| 69 FONT should be a font specifier object and DOMAIN is normally a window | |
| 70 and defaults to the selected window if omitted. This is equivalent | |
| 71 to using `specifier-instance' and applying `font-instance-name' to | |
| 72 the result. See `make-specifier' for more information about specifiers." | |
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73 (fontcolor-property-1 'font-instance-name font domain charset)) |
| 428 | 74 |
| 75 (defun font-ascent (font &optional domain charset) | |
| 76 "Return the ascent of the FONT in the specified DOMAIN, if any. | |
| 77 FONT should be a font specifier object and DOMAIN is normally a window | |
| 78 and defaults to the selected window if omitted. This is equivalent | |
| 79 to using `specifier-instance' and applying `font-instance-ascent' to | |
| 80 the result. See `make-specifier' for more information about specifiers." | |
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81 (fontcolor-property-1 'font-instance-ascent font domain charset)) |
| 428 | 82 |
| 83 (defun font-descent (font &optional domain charset) | |
| 84 "Return the descent of the FONT in the specified DOMAIN, if any. | |
| 85 FONT should be a font specifier object and DOMAIN is normally a window | |
| 86 and defaults to the selected window if omitted. This is equivalent | |
| 87 to using `specifier-instance' and applying `font-instance-descent' to | |
| 88 the result. See `make-specifier' for more information about specifiers." | |
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89 (fontcolor-property-1 'font-instance-descent font domain charset)) |
| 428 | 90 |
| 91 (defun font-width (font &optional domain charset) | |
| 92 "Return the width of the FONT in the specified DOMAIN, if any. | |
| 93 FONT should be a font specifier object and DOMAIN is normally a window | |
| 94 and defaults to the selected window if omitted. This is equivalent | |
| 95 to using `specifier-instance' and applying `font-instance-width' to | |
| 96 the result. See `make-specifier' for more information about specifiers." | |
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97 (fontcolor-property-1 'font-instance-width font domain charset)) |
| 428 | 98 |
| 99 (defun font-height (font &optional domain charset) | |
| 100 "Return the height of the FONT in the specified DOMAIN, if any. | |
| 101 FONT should be a font specifier object and DOMAIN is normally a window | |
| 102 and defaults to the selected window if omitted. This is equivalent | |
| 103 to using `specifier-instance' and applying `font-instance-height' to | |
| 104 the result. See `make-specifier' for more information about specifiers." | |
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105 (fontcolor-property-1 'font-instance-height font domain charset)) |
| 428 | 106 |
| 107 (defun font-proportional-p (font &optional domain charset) | |
| 108 "Return whether FONT is proportional in the specified DOMAIN, if known. | |
| 109 FONT should be a font specifier object and DOMAIN is normally a window | |
| 110 and defaults to the selected window if omitted. This is equivalent | |
| 111 to using `specifier-instance' and applying `font-instance-proportional-p' to | |
| 112 the result. See `make-specifier' for more information about specifiers." | |
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113 (fontcolor-property-1 'font-instance-proportional-p font domain charset)) |
| 428 | 114 |
| 115 (defun font-properties (font &optional domain charset) | |
| 116 "Return the properties of the FONT in the specified DOMAIN, if any. | |
| 117 FONT should be a font specifier object and DOMAIN is normally a window | |
| 118 and defaults to the selected window if omitted. This is equivalent | |
| 119 to using `specifier-instance' and applying `font-instance-properties' | |
| 120 to the result. See `make-specifier' for more information about specifiers." | |
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121 (fontcolor-property-1 'font-instance-properties font domain charset)) |
| 428 | 122 |
| 123 (defun font-truename (font &optional domain charset) | |
| 124 "Return the truename of the FONT in the specified DOMAIN, if any. | |
| 125 FONT should be a font specifier object and DOMAIN is normally a window | |
| 126 and defaults to the selected window if omitted. This is equivalent | |
| 127 to using `specifier-instance' and applying `font-instance-truename' | |
| 128 to the result. See `make-specifier' for more information about specifiers." | |
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129 (fontcolor-property-1 'font-instance-truename font domain charset)) |
| 428 | 130 |
| 131 (defun font-instance-height (font-instance) | |
| 132 "Return the height in pixels of FONT-INSTANCE. | |
| 133 The returned value is the maximum height for all characters in the font,\n\ | |
| 134 and is equivalent to the sum of the font instance's ascent and descent." | |
| 135 (+ (font-instance-ascent font-instance) | |
| 136 (font-instance-descent font-instance))) | |
| 137 | |
| 138 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; color specifiers | |
| 139 | |
| 140 (defun make-color-specifier (spec-list) | |
| 141 "Return a new `color' specifier object with the given specification list. | |
| 142 SPEC-LIST can be a list of specifications (each of which is a cons of a | |
| 143 locale and a list of instantiators), a single instantiator, or a list | |
| 144 of instantiators. See `make-specifier' for a detailed description of | |
| 442 | 145 how specifiers work. |
| 146 | |
| 147 Valid instantiators for color specifiers are: | |
| 148 | |
| 149 -- a string naming a color (e.g. under X this might be \"lightseagreen2\" | |
| 150 or \"#F534B2\") | |
| 151 -- a color instance (use that instance directly if the device matches, | |
| 152 or use the string that generated it) | |
| 153 -- a vector of no elements (only on TTY's; this means to set no color | |
| 154 at all, thus using the \"natural\" color of the terminal's text) | |
| 155 -- a vector of one or two elements: a face to inherit from, and | |
| 156 optionally a symbol naming which property of that face to inherit, | |
| 157 either `foreground' or `background' (if omitted, defaults to the same | |
| 158 property that this color specifier is used for; if this specifier is | |
| 159 not part of a face, the instantiator would not be valid)." | |
| 428 | 160 (make-specifier-and-init 'color spec-list)) |
| 161 | |
| 162 (defun color-name (color &optional domain) | |
| 163 "Return the name of the COLOR in the specified DOMAIN, if any. | |
| 164 COLOR should be a color specifier object and DOMAIN is normally a window | |
| 165 and defaults to the selected window if omitted. This is equivalent | |
| 166 to using `specifier-instance' and applying `color-instance-name' to | |
| 167 the result. See `make-specifier' for more information about specifiers." | |
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168 (fontcolor-property-1 'color-instance-name color domain)) |
| 428 | 169 |
| 170 (defun color-rgb-components (color &optional domain) | |
| 171 "Return the RGB components of the COLOR in the specified DOMAIN, if any. | |
| 172 COLOR should be a color specifier object and DOMAIN is normally a window | |
| 173 and defaults to the selected window if omitted. This is equivalent | |
| 174 to using `specifier-instance' and applying `color-instance-rgb-components' | |
| 175 to the result. See `make-specifier' for more information about specifiers." | |
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176 (fontcolor-property-1 'color-instance-rgb-components color domain)) |
| 428 | 177 |
| 442 | 178 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; face-boolean specifiers |
| 179 | |
| 180 (defun make-face-boolean-specifier (spec-list) | |
| 181 "Return a new `face-boolean' specifier object with the given spec list. | |
| 182 SPEC-LIST can be a list of specifications (each of which is a cons of a | |
| 183 locale and a list of instantiators), a single instantiator, or a list | |
| 184 of instantiators. See `make-specifier' for a detailed description of | |
| 185 how specifiers work. | |
| 186 | |
| 187 Valid instantiators for face-boolean specifiers are | |
| 188 | |
| 189 -- t or nil | |
| 4201 | 190 -- a vector of one, two or three elements: a face to inherit from, |
| 442 | 191 optionally a symbol naming the property of that face to inherit from |
| 192 (if omitted, defaults to the same property that this face-boolean | |
| 193 specifier is used for; if this specifier is not part of a face, | |
| 194 the instantiator would not be valid), and optionally a value which, | |
| 195 if non-nil, means to invert the sense of the inherited property." | |
| 4201 | 196 (make-specifier-and-init 'face-boolean spec-list)) |
| 442 | 197 |
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198 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; face-background-placement specifiers |
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199 |
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200 (defun make-face-background-placement-specifier (spec-list) |
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201 "Return a new `face-background-placement' specifier object. |
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202 SPEC-LIST can be a list of specifications (each of which is a cons of a |
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203 locale and a list of instantiators), a single instantiator, or a list |
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204 of instantiators. See `make-specifier' for a detailed description of |
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205 how specifiers work. |
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206 |
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207 Valid instantiators for face-background-placement specifiers are: |
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208 -- absolute or relative (symbols), |
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209 -- a vector of one element: a face to inherit from." |
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210 (make-specifier-and-init 'face-background-placement spec-list)) |
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211 |
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212 ;;; fontcolor.el ends here. |