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1 ;;; font.el,v --- New font model
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2 ;; Author: wmperry
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3 ;; Created: 1996/05/29 15:44:56
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4 ;; Version: 1.45
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5 ;; Keywords: faces
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6
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7 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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8 ;;; Copyright (c) 1995 by William M. Perry (wmperry@spry.com)
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9 ;;;
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10 ;;; This file is not part of GNU Emacs, but the same permissions apply.
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11 ;;;
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12 ;;; GNU Emacs is free software; you can redistribute it and/or modify
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13 ;;; it under the terms of the GNU General Public License as published by
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14 ;;; the Free Software Foundation; either version 2, or (at your option)
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15 ;;; any later version.
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16 ;;;
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17 ;;; GNU Emacs is distributed in the hope that it will be useful,
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18 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 ;;; GNU General Public License for more details.
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21 ;;;
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22 ;;; You should have received a copy of the GNU General Public License
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23 ;;; along with GNU Emacs; see the file COPYING. If not, write to
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24 ;;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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25 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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26
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27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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28 ;;; The emacsen compatibility package - load it up before anything else
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29 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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30 (eval-and-compile
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31 (load-library "w3-sysdp"))
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32
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33 (if (not (fboundp '<<)) (fset '<< 'lsh))
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34 (if (not (fboundp '&)) (fset '& 'logand))
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35 (if (not (fboundp '|)) (fset '| 'logior))
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36 (if (not (fboundp '~)) (fset '~ 'lognot))
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37 (if (not (fboundp '>>)) (defun >> (value count) (<< value (- count))))
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38
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39
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40 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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41 ;;; Lots of variables / keywords for use later in the program
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42 ;;; Not much should need to be modified
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43 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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44 (defconst font-running-xemacs (string-match "XEmacs" (emacs-version))
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45 "Whether we are running in XEmacs or not.")
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46
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47 (defmacro defkeyword (keyword &optional docstring)
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48 (list 'defconst keyword (list 'quote keyword)
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49 (or docstring "A keyword")))
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50
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51 (defconst font-window-system-mappings
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52 '((x . (x-font-create-name x-font-create-object))
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53 (ns . (ns-font-create-name ns-font-create-object))
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54 (tty . (tty-font-create-plist tty-font-create-object)))
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55 "An assoc list mapping device types to the function used to create
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56 a font name from a font structure.")
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57
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58 (defconst ns-font-weight-mappings
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59 '((:extra-light . "extralight")
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60 (:light . "light")
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61 (:demi-light . "demilight")
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62 (:medium . "medium")
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63 (:normal . "normal")
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64 (:demi-bold . "demibold")
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65 (:bold . "bold")
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66 (:extra-bold . "extrabold"))
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67 "An assoc list mapping keywords to actual NeXTstep specific
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68 information to use")
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69
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70 (defconst x-font-weight-mappings
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71 '((:extra-light . "extralight")
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72 (:light . "light")
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73 (:demi-light . "demilight")
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74 (:demi . "demi")
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75 (:book . "book")
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76 (:medium . "medium")
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77 (:normal . "normal")
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78 (:demi-bold . "demibold")
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79 (:bold . "bold")
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80 (:extra-bold . "extrabold"))
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81 "An assoc list mapping keywords to actual Xwindow specific strings
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82 for use in the 'weight' field of an X font string.")
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83
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84 (defconst font-possible-weights
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85 (mapcar 'car x-font-weight-mappings))
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86
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87 (defvar font-rgb-file nil
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88 "Where the RGB file was found.")
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89
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90 (defvar font-maximum-slippage "1pt"
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91 "How much a font is allowed to vary from the desired size.")
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92
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93 (defvar font-family-mappings
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94 '(
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95 ("serif" . ("garamond"
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96 "palatino"
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97 "times new roman"
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98 "baskerville"
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99 "bookman"
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100 "bodoni"
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101 "computer modern"
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102 "rockwell"
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103 ))
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104 ("sans-serif" . ("lucida"
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105 "lucidatypewriter"
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106 "gills-sans"
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107 "avant-garde"
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108 "univers"
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109 "helvetica"
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110 "optima"))
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111 ("elfin" . ("tymes"))
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112 ("monospace" . ("courier" "lucidatypewriter" "fixed"))
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113 ("cursive" . ("sirene" "zapf chancery"))
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114 )
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115 "A list of font family mappings.")
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116
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117 (defkeyword :family "Keyword specifying the font family of a FONTOBJ.")
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118
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119 (defkeyword :weight "Keyword specifying the font weight of a FONTOBJ.")
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120 (defkeyword :extra-light)
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121 (defkeyword :light)
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122 (defkeyword :demi-light)
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123 (defkeyword :medium)
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124 (defkeyword :normal)
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125 (defkeyword :demi-bold)
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126 (defkeyword :bold)
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127 (defkeyword :extra-bold)
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128
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129 (defkeyword :style "Keyword specifying the font style of a FONTOBJ.")
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130 (defkeyword :size "Keyword specifying the font size of a FONTOBJ.")
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131 (defkeyword :registry "Keyword specifying the registry of a FONTOBJ.")
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132 (defkeyword :encoding "Keyword specifying the encoding of a FONTOBJ.")
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133
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134 (eval-when-compile
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135 (defmacro define-new-mask (attr mask)
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136 (`
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137 (progn
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138 (defconst (, (intern (format "font-%s-mask" attr))) (<< 1 (, mask))
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139 (, (format
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140 "Bitmask for whether a font is to be rendered in %s or not."
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141 attr)))
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142 (defun (, (intern (format "font-%s-p" attr))) (fontobj)
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143 (, (format "Whether FONTOBJ will be renderd in `%s' or not." attr))
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144 (if (/= 0 (& (font-style fontobj)
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145 (, (intern (format "font-%s-mask" attr)))))
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146 t
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147 nil))
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148 (defun (, (intern (format "font-set-%s-p" attr))) (fontobj val)
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149 (, (format "Set whether FONTOBJ will be renderd in `%s' or not."
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150 attr))
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151 (if val
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152 (set-font-style fontobj (| (font-style fontobj)
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153 (, (intern
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154 (format "font-%s-mask" attr)))))
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155 (set-font-style fontobj (logxor (font-style fontobj)
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156 (, (intern
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157 (format "font-%s-mask"
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158 attr)))))))
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159 ))))
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160
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161 (let ((mask 0))
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162 (define-new-mask bold (setq mask (1+ mask)))
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163 (define-new-mask italic (setq mask (1+ mask)))
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164 (define-new-mask oblique (setq mask (1+ mask)))
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165 (define-new-mask dim (setq mask (1+ mask)))
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166 (define-new-mask underline (setq mask (1+ mask)))
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167 (define-new-mask overline (setq mask (1+ mask)))
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168 (define-new-mask linethrough (setq mask (1+ mask)))
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169 (define-new-mask strikethru (setq mask (1+ mask)))
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170 (define-new-mask reverse (setq mask (1+ mask)))
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171 (define-new-mask blink (setq mask (1+ mask)))
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172 (define-new-mask smallcaps (setq mask (1+ mask)))
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173 (define-new-mask bigcaps (setq mask (1+ mask)))
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174 (define-new-mask dropcaps (setq mask (1+ mask))))
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175
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176 (defvar font-caps-display-table
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177 (let ((table (make-display-table))
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178 (i 0))
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179 ;; Standard ASCII characters
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180 (while (< i 26)
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181 (aset table (+ i ?a) (+ i ?A))
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182 (setq i (1+ i)))
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183 ;; Now ISO translations
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184 (setq i 224)
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185 (while (< i 247) ;; Agrave - Ouml
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186 (aset table i (- i 32))
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187 (setq i (1+ i)))
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188 (setq i 248)
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189 (while (< i 255) ;; Oslash - Thorn
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190 (aset table i (- i 32))
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191 (setq i (1+ i)))
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192 table))
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193
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194 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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195 ;;; Utility functions
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196 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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197 (defun unique (list)
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198 (let ((retval)
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199 (cur))
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200 (while list
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201 (setq cur (car list)
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202 list (cdr list))
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203 (if (member cur retval)
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204 nil
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205 (setq retval (cons cur retval))))
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206 (nreverse retval)))
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207
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208 (defun font-higher-weight (w1 w2)
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209 (let ((index1 (length (memq w1 font-possible-weights)))
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210 (index2 (length (memq w2 font-possible-weights))))
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211 (cond
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212 ((<= index1 index2)
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213 (or w1 w2))
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214 ((not w2)
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215 w1)
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216 (t
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217 w2))))
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218
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219 (defun font-spatial-to-canonical (spec &optional device)
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220 "Convert SPEC (in inches, millimeters, points, or picas) into pixels"
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221 ;; 1 in = 25.4 mm = 72 pt = 6 pa
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222 (if (numberp spec)
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223 spec
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224 (let ((num nil)
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225 (type nil)
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226 ;; If for any reason we get null for any of this, default
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227 ;; to 1024x768 resolution on a 17" screen
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228 (pix-width (float (or (device-pixel-width device) 1024)))
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229 (mm-width (float (or (device-mm-width device) 293)))
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230 (retval nil))
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231 (if (string-match "[^0-9.]+$" spec)
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232 (setq type (substring spec (match-beginning 0))
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233 spec (substring spec 0 (match-beginning 0)))
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234 (setq type "px"
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235 spec spec))
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236 (setq num (string-to-number spec))
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237 (cond
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238 ((member type '("pixel" "px" "pix"))
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239 (setq retval num
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240 num nil))
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241 ((member type '("point" "pt"))
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242 (setq retval (+ (* (/ pix-width mm-width)
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243 (/ 25.4 72.0)
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244 num))))
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245 ((member type '("pica" "pa"))
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246 (setq retval (* (/ pix-width mm-width)
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247 (/ 25.4 6.0)
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248 num)))
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249 ((member type '("inch" "in"))
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250 (setq retval (* (/ pix-width mm-width)
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251 (/ 25.4 1.0)
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252 num)))
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253 ((string= type "mm")
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254 (setq retval (* (/ pix-width mm-width)
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255 num)))
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256 ((string= type "cm")
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257 (setq retval (* (/ pix-width mm-width)
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258 10
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259 num)))
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260 (t (setq retval num))
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261 )
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262 retval)))
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263
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264
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265 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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266 ;;; The main interface routines - constructors and accessor functions
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267 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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268 (defun make-font (&rest args)
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269 (vector :family
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270 (if (stringp (nth 1 (memq :family args)))
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271 (list (nth 1 (memq :family args)))
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272 (nth 1 (memq :family args)))
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273 :weight
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274 (nth 1 (memq :weight args))
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275 :style
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276 (if (numberp (nth 1 (memq :style args)))
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277 (nth 1 (memq :style args))
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278 0)
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279 :size
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280 (nth 1 (memq :size args))
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281 :registry
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282 (nth 1 (memq :registry args))
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283 :encoding
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284 (nth 1 (memq :encoding args))))
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285
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286 (defsubst set-font-family (fontobj family)
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287 (aset fontobj 1 family))
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288
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289 (defsubst set-font-weight (fontobj weight)
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290 (aset fontobj 3 weight))
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291
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292 (defsubst set-font-style (fontobj style)
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293 (aset fontobj 5 style))
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294
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295 (defsubst set-font-size (fontobj size)
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296 (aset fontobj 7 size))
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297
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298 (defsubst set-font-registry (fontobj reg)
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299 (aset fontobj 9 reg))
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300
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301 (defsubst set-font-encoding (fontobj enc)
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302 (aset fontobj 11 enc))
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303
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304 (defsubst font-family (fontobj)
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305 (aref fontobj 1))
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306
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307 (defsubst font-weight (fontobj)
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308 (aref fontobj 3))
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309
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310 (defsubst font-style (fontobj)
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311 (aref fontobj 5))
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312
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313 (defsubst font-size (fontobj)
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314 (aref fontobj 7))
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315
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316 (defsubst font-registry (fontobj)
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317 (aref fontobj 9))
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318
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319 (defsubst font-encoding (fontobj)
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320 (aref fontobj 11))
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321
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322 (defun font-create-name (fontobj &optional device)
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323 (let* ((type (device-type device))
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324 (func (car (cdr-safe (assq type font-window-system-mappings)))))
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325 (and func (fboundp func) (funcall func fontobj device))))
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326
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327 (defun font-create-object (fontname &optional device)
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328 (let* ((type (device-type device))
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329 (func (car (cdr (cdr-safe (assq type font-window-system-mappings))))))
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330 (and func (fboundp func) (funcall func fontname device))))
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331
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332 (defun font-combine-fonts-internal (fontobj-1 fontobj-2)
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333 (let ((retval (make-font))
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334 (size-1 (and (font-size fontobj-1)
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335 (font-spatial-to-canonical (font-size fontobj-1))))
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336 (size-2 (and (font-size fontobj-2)
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337 (font-spatial-to-canonical (font-size fontobj-2)))))
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338 (set-font-weight retval (font-higher-weight (font-weight fontobj-1)
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339 (font-weight fontobj-2)))
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340 (set-font-family retval (unique (append (font-family fontobj-1)
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341 (font-family fontobj-2))))
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342 (set-font-style retval (| (font-style fontobj-1) (font-style fontobj-2)))
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343 (set-font-registry retval (or (font-registry fontobj-1)
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344 (font-registry fontobj-2)))
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345 (set-font-encoding retval (or (font-encoding fontobj-1)
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346 (font-encoding fontobj-2)))
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347 (set-font-size retval (cond
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348 ((and size-1 size-2 (>= size-2 size-1))
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349 (font-size fontobj-2))
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350 ((and size-1 size-2)
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351 (font-size fontobj-1))
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352 (size-1
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353 (font-size fontobj-1))
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354 (size-2
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355 (font-size fontobj-2))
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356 (t nil)))
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357
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358 retval))
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359
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360 (defun font-combine-fonts (&rest args)
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361 (cond
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362 ((null args)
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363 (error "Wrong number of arguments to font-combine-fonts"))
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364 ((= (length args) 1)
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365 (car args))
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366 (t
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367 (let ((retval (font-combine-fonts-internal (nth 0 args) (nth 1 args))))
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368 (setq args (cdr (cdr args)))
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369 (while args
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370 (setq retval (font-combine-fonts-internal retval (car args))
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371 args (cdr args)))
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372 retval))))
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373
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374
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375 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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376 ;;; The window-system dependent code (TTY-style)
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377 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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378 (defun tty-font-create-object (fontname &optional device)
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379 )
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380
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381 (defun tty-font-create-plist (fontobj &optional device)
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382 (let ((styles (font-style fontobj))
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383 (weight (font-weight fontobj)))
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384 (list
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385 (cons 'underline (font-underline-p fontobj))
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386 (cons 'highlight (if (or (font-bold-p fontobj)
|
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387 (memq weight '(:bold :demi-bold))) t))
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388 (cons 'dim (font-dim-p fontobj))
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389 (cons 'blinking (font-blink-p fontobj))
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390 (cons 'reverse (font-reverse-p fontobj)))))
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391
|
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392
|
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|
393 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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|
394 ;;; The window-system dependent code (X-style)
|
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|
395 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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396 (defvar font-x-font-regexp (or (and font-running-xemacs
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397 (boundp 'x-font-regexp)
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398 x-font-regexp)
|
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399 (let
|
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400 ((- "[-?]")
|
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401 (foundry "[^-]*")
|
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402 (family "[^-]*")
|
|
|
403 (weight "\\(bold\\|demibold\\|medium\\|black\\)")
|
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|
404 (weight\? "\\([^-]*\\)")
|
|
|
405 (slant "\\([ior]\\)")
|
|
|
406 (slant\? "\\([^-]?\\)")
|
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407 (swidth "\\([^-]*\\)")
|
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|
408 (adstyle "\\([^-]*\\)")
|
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|
409 (pixelsize "\\(\\*\\|[0-9]+\\)")
|
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410 (pointsize "\\(\\*\\|0\\|[0-9][0-9]+\\)")
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411 (resx "\\([*0]\\|[0-9][0-9]+\\)")
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412 (resy "\\([*0]\\|[0-9][0-9]+\\)")
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413 (spacing "[cmp?*]")
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414 (avgwidth "\\(\\*\\|[0-9]+\\)")
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415 (registry "[^-]*")
|
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416 (encoding "[^-]+")
|
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417 )
|
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|
418 (concat "\\`\\*?[-?*]"
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419 foundry - family - weight\? - slant\? - swidth - adstyle -
|
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|
420 pixelsize - pointsize - resx - resy - spacing - avgwidth -
|
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421 registry - encoding "\\'"
|
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|
422 ))))
|
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423
|
|
|
424 (defun x-font-create-object (fontname &optional device)
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|
425 (if (or (not (stringp fontname))
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|
426 (not (string-match font-x-font-regexp fontname)))
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427 (make-font)
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428 (let ((family nil)
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429 (style nil)
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430 (size nil)
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431 (weight (match-string 1 fontname))
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432 (slant (match-string 2 fontname))
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|
433 (swidth (match-string 3 fontname))
|
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|
434 (adstyle (match-string 4 fontname))
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|
435 (pxsize (match-string 5 fontname))
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436 (ptsize (match-string 6 fontname))
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|
437 (retval nil)
|
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|
438 (case-fold-search t)
|
|
|
439 )
|
|
|
440 (if (not (string-match x-font-regexp-foundry-and-family fontname))
|
|
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441 nil
|
|
|
442 (setq family (list (match-string 1 fontname))))
|
|
|
443 (if (string= "*" weight) (setq weight nil))
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|
|
444 (if (string= "*" slant) (setq slant nil))
|
|
|
445 (if (string= "*" swidth) (setq swidth nil))
|
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|
446 (if (string= "*" adstyle) (setq adstyle nil))
|
|
|
447 (if (string= "*" pxsize) (setq pxsize nil))
|
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|
448 (if (string= "*" ptsize) (setq ptsize nil))
|
|
|
449 (if ptsize (setq size (format "%dpt" (/ (string-to-int ptsize) 10))))
|
|
|
450 (if (and (not size) pxsize) (setq size (concat pxsize "px")))
|
|
|
451 (if weight (setq weight (intern-soft (concat ":" (downcase weight)))))
|
|
|
452 (if (and adstyle (not (equal adstyle "")))
|
|
|
453 (setq family (append family (list adstyle))))
|
|
|
454 (setq retval (make-font :family family
|
|
|
455 :weight weight
|
|
|
456 :size size))
|
|
|
457 (font-set-bold-p retval (eq :bold weight))
|
|
|
458 (cond
|
|
|
459 ((null slant) nil)
|
|
|
460 ((member slant '("i" "I"))
|
|
|
461 (font-set-italic-p retval t))
|
|
|
462 ((member slant '("o" "O"))
|
|
|
463 (font-set-oblique-p retval t)))
|
|
|
464 retval)))
|
|
|
465
|
|
|
466 (defun x-font-families-for-device (&optional device no-resetp)
|
|
|
467 (condition-case ()
|
|
|
468 (require 'x-font-menu)
|
|
|
469 (error nil))
|
|
|
470 (or device (setq device (selected-device)))
|
|
|
471 (if (boundp 'device-fonts-cache)
|
|
|
472 (let ((menu (or (cdr-safe (assq device device-fonts-cache)))))
|
|
|
473 (if (and (not menu) (not no-resetp))
|
|
|
474 (progn
|
|
|
475 (reset-device-font-menus device)
|
|
|
476 (x-font-families-for-device device t))
|
|
|
477 (let ((scaled (mapcar (function (lambda (x) (if x (aref x 0))))
|
|
|
478 (aref menu 0)))
|
|
|
479 (normal (mapcar (function (lambda (x) (if x (aref x 0))))
|
|
|
480 (aref menu 1))))
|
|
|
481 (sort (unique (nconc scaled normal)) 'string-lessp))))
|
|
|
482 (mapcar 'car font-family-mappings)))
|
|
|
483
|
|
|
484 (defvar font-default-cache nil)
|
|
|
485
|
|
|
486 (defun font-default-font-for-device (&optional device)
|
|
|
487 (or device (setq device (selected-device)))
|
|
|
488 (if font-running-xemacs
|
|
|
489 (face-font-name 'default device)
|
|
|
490 (cdr-safe (assq 'font (frame-parameters device)))))
|
|
|
491
|
|
|
492 (defun font-default-object-for-device (&optional device)
|
|
|
493 (let ((font (font-default-font-for-device device)))
|
|
|
494 (or (cdr-safe
|
|
|
495 (assoc font font-default-cache))
|
|
|
496 (progn
|
|
|
497 (setq font-default-cache (cons (cons font
|
|
|
498 (font-create-object font))
|
|
|
499 font-default-cache))
|
|
|
500 (cdr-safe (assoc font font-default-cache))))))
|
|
|
501
|
|
|
502 (defun font-default-family-for-device (&optional device)
|
|
|
503 (or device (setq device (selected-device)))
|
|
|
504 (font-family (font-default-object-for-device device)))
|
|
|
505
|
|
|
506 (defun font-default-size-for-device (&optional device)
|
|
|
507 (or device (setq device (selected-device)))
|
|
|
508 (if font-running-xemacs
|
|
|
509 (format "%dpx" (face-height 'default device))
|
|
|
510 (font-size (font-default-object-for-device device))))
|
|
|
511
|
|
|
512 (defun x-font-create-name (fontobj &optional device)
|
|
|
513 (if (and (not (or (font-family fontobj)
|
|
|
514 (font-weight fontobj)
|
|
|
515 (font-size fontobj)
|
|
|
516 (font-registry fontobj)
|
|
|
517 (font-encoding fontobj)))
|
|
|
518 (not (font-bold-p fontobj))
|
|
|
519 (not (font-italic-p fontobj)))
|
|
|
520 (face-font 'default)
|
|
|
521 (or device (setq device (selected-device)))
|
|
|
522 (let ((family (or (font-family fontobj)
|
|
|
523 (font-default-family-for-device device)
|
|
|
524 (x-font-families-for-device device)))
|
|
|
525 (weight (or (font-weight fontobj) :medium))
|
|
|
526 (style (font-style fontobj))
|
|
|
527 (size (or (font-size fontobj) (font-default-size-for-device device)))
|
|
|
528 (registry (or (font-registry fontobj) "*"))
|
|
|
529 (encoding (or (font-encoding fontobj) "*")))
|
|
|
530 (if (stringp family)
|
|
|
531 (setq family (list family)))
|
|
|
532 (setq weight (font-higher-weight weight
|
|
|
533 (and (font-bold-p fontobj) :bold)))
|
|
|
534 (if (stringp size)
|
|
|
535 (setq size (round (font-spatial-to-canonical size device))))
|
|
|
536 (setq weight (or (cdr-safe (assq weight x-font-weight-mappings)) "*"))
|
|
|
537 (let ((done nil) ; Did we find a good font yet?
|
|
|
538 (font-name nil) ; font name we are currently checking
|
|
|
539 (cur-family nil) ; current family we are checking
|
|
|
540 )
|
|
|
541 (while (and family (not done))
|
|
|
542 (setq cur-family (car family)
|
|
|
543 family (cdr family))
|
|
|
544 (if (assoc cur-family font-family-mappings)
|
|
|
545 ;; If the family name is an alias as defined by
|
|
|
546 ;; font-family-mappings, then append those families
|
|
|
547 ;; to the front of 'family' and continue in the loop.
|
|
|
548 (setq family (append
|
|
|
549 (cdr-safe (assoc cur-family
|
|
|
550 font-family-mappings))
|
|
|
551 family))
|
|
|
552 ;; Not an alias for a list of fonts, so we just check it.
|
|
|
553 ;; First, convert all '-' to spaces so that we don't screw up
|
|
|
554 ;; the oh-so wonderful X font model. Wheee.
|
|
|
555 (let ((x (length cur-family)))
|
|
|
556 (while (> x 0)
|
|
|
557 (if (= ?- (aref cur-family (1- x)))
|
|
|
558 (aset cur-family (1- x) ? ))
|
|
|
559 (setq x (1- x))))
|
|
|
560 (setq font-name (format "-*-%s-%s-%s-*-*-%s-*-*-*-*-*-%s-%s"
|
|
|
561 cur-family weight
|
|
|
562 (if (font-italic-p fontobj)
|
|
|
563 "i"
|
|
|
564 "r")
|
|
|
565 (if size (int-to-string size) "*")
|
|
|
566 registry
|
|
|
567 encoding
|
|
|
568 )
|
|
|
569 done (try-font-name font-name device))))
|
|
|
570 (if done font-name)))))
|
|
|
571
|
|
|
572
|
|
|
573 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
574 ;;; The window-system dependent code (NS-style)
|
|
|
575 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
576 (defun ns-font-families-for-device (&optional device no-resetp)
|
|
|
577 ;; For right now, assume we are going to have the same storage for
|
|
|
578 ;; device fonts for NS as we do for X. Is this a valid assumption?
|
|
|
579 (or device (setq device (selected-device)))
|
|
|
580 (let ((menu (or (cdr-safe (assq device device-fonts-cache)))))
|
|
|
581 (if (and (not menu) (not no-resetp))
|
|
|
582 (progn
|
|
|
583 (reset-device-font-menus device)
|
|
|
584 (ns-font-families-for-device device t))
|
|
|
585 (let ((scaled (mapcar (function (lambda (x) (if x (aref x 0))))
|
|
|
586 (aref menu 0)))
|
|
|
587 (normal (mapcar (function (lambda (x) (if x (aref x 0))))
|
|
|
588 (aref menu 1))))
|
|
|
589 (sort (unique (nconc scaled normal)) 'string-lessp)))))
|
|
|
590
|
|
|
591 (defun ns-font-create-name (fontobj &optional device)
|
|
|
592 (let ((family (or (font-family fontobj)
|
|
|
593 (ns-font-families-for-device device)))
|
|
|
594 (weight (or (font-weight fontobj) :medium))
|
|
|
595 (style (or (font-style fontobj) (list :normal)))
|
|
|
596 (size (font-size fontobj))
|
|
|
597 (registry (or (font-registry fontobj) "*"))
|
|
|
598 (encoding (or (font-encoding fontobj) "*")))
|
|
|
599 ;; Create a font, wow!
|
|
|
600 (if (stringp family)
|
|
|
601 (setq family (list family)))
|
|
|
602 (if (symbolp style)
|
|
|
603 (setq style (list style)))
|
|
|
604 (setq weight (font-higher-weight weight (car-safe (memq :bold style))))
|
|
|
605 (if (stringp size)
|
|
|
606 (setq size (font-spatial-to-canonical size device)))
|
|
|
607 (setq weight (or (cdr-safe (assq weight ns-font-weight-mappings))
|
|
|
608 "medium"))
|
|
|
609 (let ((done nil) ; Did we find a good font yet?
|
|
|
610 (font-name nil) ; font name we are currently checking
|
|
|
611 (cur-family nil) ; current family we are checking
|
|
|
612 )
|
|
|
613 (while (and family (not done))
|
|
|
614 (setq cur-family (car family)
|
|
|
615 family (cdr family))
|
|
|
616 (if (assoc cur-family font-family-mappings)
|
|
|
617 ;; If the family name is an alias as defined by
|
|
|
618 ;; font-family-mappings, then append those families
|
|
|
619 ;; to the front of 'family' and continue in the loop.
|
|
|
620 (setq family (append
|
|
|
621 (cdr-safe (assoc cur-family
|
|
|
622 font-family-mappings))
|
|
|
623 family))
|
|
|
624 ;; CARL: Need help here - I am not familiar with the NS font
|
|
|
625 ;; model
|
|
|
626 (setq font-name "UNKNOWN FORMULA GOES HERE"
|
|
|
627 done (try-font-name font-name device))))
|
|
|
628 (if done font-name))))
|
|
|
629
|
|
|
630
|
|
|
631 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
632 ;;; Now overwrite the original copy of set-face-font with our own copy that
|
|
|
633 ;;; can deal with either syntax.
|
|
|
634 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
635 (defun font-set-face-font (&optional face font &rest args)
|
|
|
636 (if (interactive-p)
|
|
|
637 (call-interactively 'font-original-set-face-font)
|
|
|
638 (cond
|
|
|
639 ((and (vectorp font) (= (length font) 12))
|
|
|
640 (let ((font-name (font-create-name font)))
|
|
|
641 (set-face-property face 'font-specification font)
|
|
|
642 (cond
|
|
|
643 ((null font-name) ; No matching font!
|
|
|
644 nil)
|
|
|
645 ((listp font-name) ; For TTYs
|
|
|
646 (let (cur)
|
|
|
647 (while font-name
|
|
|
648 (setq cur (car font-name)
|
|
|
649 font-name (cdr font-name))
|
|
|
650 (apply 'set-face-property face (car cur) (cdr cur) args))))
|
|
|
651 (font-running-xemacs
|
|
|
652 (apply 'font-original-set-face-font face font-name args)
|
|
|
653 (apply 'set-face-underline-p face (font-underline-p font) args)
|
|
|
654 (if (and (or (font-smallcaps-p font) (font-bigcaps-p font))
|
|
|
655 (fboundp 'set-face-display-table))
|
|
|
656 (apply 'set-face-display-table
|
|
|
657 face font-caps-display-table args))
|
|
|
658 (apply 'set-face-property face 'strikethru (or
|
|
|
659 (font-linethrough-p font)
|
|
|
660 (font-strikethru-p font))
|
|
|
661 args))
|
|
|
662 (t
|
|
|
663 (condition-case nil
|
|
|
664 (apply 'font-original-set-face-font face font-name args)
|
|
|
665 (error
|
|
|
666 (let ((args (car-safe args)))
|
|
|
667 (and (or (font-bold-p font)
|
|
|
668 (memq (font-weight font) '(:bold :demi-bold)))
|
|
|
669 (make-face-bold face args t))
|
|
|
670 (and (font-italic-p font) (make-face-italic face args t)))))
|
|
|
671 (apply 'set-face-underline-p face (font-underline-p font) args)))))
|
|
|
672 (t
|
|
|
673 ;; Let the original set-face-font signal any errors
|
|
|
674 (set-face-property face 'font-specification nil)
|
|
|
675 (apply 'font-original-set-face-font face font args)))))
|
|
|
676
|
|
|
677
|
|
|
678 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
679 ;;; Now for emacsen specific stuff
|
|
|
680 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
681 (defun font-update-device-fonts (device)
|
|
|
682 ;; Update all faces that were created with the 'font' package
|
|
|
683 ;; to appear correctly on the new device. This should be in the
|
|
|
684 ;; create-device-hook. This is XEmacs 19.12+ specific
|
|
|
685 (let ((faces (face-list 2))
|
|
|
686 (cur nil)
|
|
|
687 (font nil)
|
|
|
688 (font-spec nil))
|
|
|
689 (while faces
|
|
|
690 (setq cur (car faces)
|
|
|
691 faces (cdr faces)
|
|
|
692 font-spec (face-property cur 'font-specification))
|
|
|
693 (if font-spec
|
|
|
694 (set-face-font cur font-spec device)))))
|
|
|
695
|
|
|
696 (defun font-update-one-face (face &optional device-list)
|
|
|
697 ;; Update FACE on all devices in DEVICE-LIST
|
|
|
698 ;; DEVICE_LIST defaults to a list of all active devices
|
|
|
699 (setq device-list (or device-list (device-list)))
|
|
|
700 (if (devicep device-list)
|
|
|
701 (setq device-list (list device-list)))
|
|
|
702 (let* ((cur-device nil)
|
|
|
703 (font-spec (face-property face 'font-specification))
|
|
|
704 (font nil))
|
|
|
705 (if (not font-spec)
|
|
|
706 ;; Hey! Don't mess with fonts we didn't create in the
|
|
|
707 ;; first place.
|
|
|
708 nil
|
|
|
709 (while device-list
|
|
|
710 (setq cur-device (car device-list)
|
|
|
711 device-list (cdr device-list))
|
|
|
712 (if (not (device-live-p cur-device))
|
|
|
713 ;; Whoah!
|
|
|
714 nil
|
|
|
715 (if font-spec
|
|
|
716 (set-face-font face font-spec cur-device)))))))
|
|
|
717
|
|
|
718 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
719 ;;; Various color related things
|
|
|
720 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
721 (cond
|
|
|
722 ((fboundp 'display-warning)
|
|
|
723 (fset 'font-warn 'display-warning))
|
|
|
724 ((fboundp 'w3-warn)
|
|
|
725 (fset 'font-warn 'w3-warn))
|
|
|
726 ((fboundp 'url-warn)
|
|
|
727 (fset 'font-warn 'url-warn))
|
|
|
728 ((fboundp 'warn)
|
|
|
729 (defun font-warn (class message &optional level)
|
|
|
730 (warn "(%s/%s) %s" class (or level 'warning) message)))
|
|
|
731 (t
|
|
|
732 (defun font-warn (class message &optional level)
|
|
|
733 (save-excursion
|
|
|
734 (set-buffer (get-buffer-create "*W3-WARNINGS*"))
|
|
|
735 (goto-char (point-max))
|
|
|
736 (save-excursion
|
|
|
737 (insert (format "(%s/%s) %s\n" class (or level 'warning) message)))
|
|
|
738 (display-buffer (current-buffer))))))
|
|
|
739
|
|
|
740 (defun font-lookup-rgb-components (color)
|
|
|
741 "Lookup COLOR (a color name) in rgb.txt and return a list of RGB values.
|
|
|
742 The list (R G B) is returned, or an error is signaled if the lookup fails."
|
|
|
743 (let ((lib-list (if (boundp 'x-library-search-path)
|
|
|
744 x-library-search-path
|
|
|
745 ;; This default is from XEmacs 19.13 - hope it covers
|
|
|
746 ;; everyone.
|
|
|
747 (list "/usr/X11R6/lib/X11/"
|
|
|
748 "/usr/X11R5/lib/X11/"
|
|
|
749 "/usr/lib/X11R6/X11/"
|
|
|
750 "/usr/lib/X11R5/X11/"
|
|
|
751 "/usr/local/X11R6/lib/X11/"
|
|
|
752 "/usr/local/X11R5/lib/X11/"
|
|
|
753 "/usr/local/lib/X11R6/X11/"
|
|
|
754 "/usr/local/lib/X11R5/X11/"
|
|
|
755 "/usr/X11/lib/X11/"
|
|
|
756 "/usr/lib/X11/"
|
|
|
757 "/usr/local/lib/X11/"
|
|
|
758 "/usr/X386/lib/X11/"
|
|
|
759 "/usr/x386/lib/X11/"
|
|
|
760 "/usr/XFree86/lib/X11/"
|
|
|
761 "/usr/unsupported/lib/X11/"
|
|
|
762 "/usr/athena/lib/X11/"
|
|
|
763 "/usr/local/x11r5/lib/X11/"
|
|
|
764 "/usr/lpp/Xamples/lib/X11/"
|
|
|
765 "/usr/openwin/lib/X11/"
|
|
|
766 "/usr/openwin/share/lib/X11/")))
|
|
|
767 (file font-rgb-file)
|
|
|
768 r g b)
|
|
|
769 (if (not file)
|
|
|
770 (while lib-list
|
|
|
771 (setq file (expand-file-name "rgb.txt" (car lib-list)))
|
|
|
772 (if (file-readable-p file)
|
|
|
773 (setq lib-list nil
|
|
|
774 font-rgb-file file)
|
|
|
775 (setq lib-list (cdr lib-list)
|
|
|
776 file nil))))
|
|
|
777 (if (null file)
|
|
|
778 (list 0 0 0)
|
|
|
779 (save-excursion
|
|
|
780 (set-buffer (find-file-noselect file))
|
|
|
781 (if (not (= (aref (buffer-name) 0) ? ))
|
|
|
782 (rename-buffer (generate-new-buffer-name " *rgb-tmp-buffer*")))
|
|
|
783 (save-excursion
|
|
|
784 (save-restriction
|
|
|
785 (widen)
|
|
|
786 (goto-char (point-min))
|
|
|
787 (if (re-search-forward (format "\t%s$" (regexp-quote color)) nil t)
|
|
|
788 (progn
|
|
|
789 (beginning-of-line)
|
|
|
790 (setq r (* (read (current-buffer)) 256)
|
|
|
791 g (* (read (current-buffer)) 256)
|
|
|
792 b (* (read (current-buffer)) 256)))
|
|
|
793 (font-warn 'color (format "No such color: %s" color))
|
|
|
794 (setq r 0
|
|
|
795 g 0
|
|
|
796 b 0))
|
|
|
797 (list r g b) ))))))
|
|
|
798
|
|
|
799 (defun font-hex-string-to-number (string)
|
|
|
800 "Convert STRING to an integer by parsing it as a hexadecimal number."
|
|
|
801 (let ((conv-list '((?0 . 0) (?a . 10) (?A . 10)
|
|
|
802 (?1 . 1) (?b . 11) (?B . 11)
|
|
|
803 (?2 . 2) (?c . 12) (?C . 12)
|
|
|
804 (?3 . 3) (?d . 13) (?D . 13)
|
|
|
805 (?4 . 4) (?e . 14) (?E . 14)
|
|
|
806 (?5 . 5) (?f . 15) (?F . 15)
|
|
|
807 (?6 . 6)
|
|
|
808 (?7 . 7)
|
|
|
809 (?8 . 8)
|
|
|
810 (?9 . 9)))
|
|
|
811 (n 0)
|
|
|
812 (i 0)
|
|
|
813 (lim (length string)))
|
|
|
814 (while (< i lim)
|
|
|
815 (setq n (+ (* n 16) (or (cdr (assq (aref string i) conv-list)) 0))
|
|
|
816 i (1+ i)))
|
|
|
817 n ))
|
|
|
818
|
|
|
819 (defun font-parse-rgb-components (color)
|
|
|
820 "Parse RGB color specification and return a list of integers (R G B).
|
|
|
821 #FEFEFE and rgb:fe/fe/fe style specifications are parsed."
|
|
|
822 (let ((case-fold-search t)
|
|
|
823 r g b str)
|
|
|
824 (cond ((string-match "^#[0-9a-f]+$" color)
|
|
|
825 (cond
|
|
|
826 ((= (length color) 4)
|
|
|
827 (setq r (font-hex-string-to-number (substring color 1 2))
|
|
|
828 g (font-hex-string-to-number (substring color 2 3))
|
|
|
829 b (font-hex-string-to-number (substring color 3 4))
|
|
|
830 r (* r 4096)
|
|
|
831 g (* g 4096)
|
|
|
832 b (* b 4096)))
|
|
|
833 ((= (length color) 7)
|
|
|
834 (setq r (font-hex-string-to-number (substring color 1 3))
|
|
|
835 g (font-hex-string-to-number (substring color 3 5))
|
|
|
836 b (font-hex-string-to-number (substring color 5 7))
|
|
|
837 r (* r 256)
|
|
|
838 g (* g 256)
|
|
|
839 b (* b 256)))
|
|
|
840 ((= (length color) 10)
|
|
|
841 (setq r (font-hex-string-to-number (substring color 1 4))
|
|
|
842 g (font-hex-string-to-number (substring color 4 7))
|
|
|
843 b (font-hex-string-to-number (substring color 7 10))
|
|
|
844 r (* r 16)
|
|
|
845 g (* g 16)
|
|
|
846 b (* b 16)))
|
|
|
847 ((= (length color) 13)
|
|
|
848 (setq r (font-hex-string-to-number (substring color 1 5))
|
|
|
849 g (font-hex-string-to-number (substring color 5 9))
|
|
|
850 b (font-hex-string-to-number (substring color 9 13))))
|
|
|
851 (t
|
|
|
852 (font-warn 'color (format "Invalid RGB color specification: %s"
|
|
|
853 color))
|
|
|
854 (setq r 0
|
|
|
855 g 0
|
|
|
856 b 0))))
|
|
|
857 ((string-match "rgb:\\([0-9a-f]+\\)/\\([0-9a-f]+\\)/\\([0-9a-f]+\\)"
|
|
|
858 color)
|
|
|
859 (if (or (> (- (match-end 1) (match-beginning 1)) 4)
|
|
|
860 (> (- (match-end 2) (match-beginning 2)) 4)
|
|
|
861 (> (- (match-end 3) (match-beginning 3)) 4))
|
|
|
862 (error "Invalid RGB color specification: %s" color)
|
|
|
863 (setq str (match-string 1 color)
|
|
|
864 r (* (font-hex-string-to-number str)
|
|
|
865 (expt 16 (- 4 (length str))))
|
|
|
866 str (match-string 2 color)
|
|
|
867 g (* (font-hex-string-to-number str)
|
|
|
868 (expt 16 (- 4 (length str))))
|
|
|
869 str (match-string 3 color)
|
|
|
870 b (* (font-hex-string-to-number str)
|
|
|
871 (expt 16 (- 4 (length str)))))))
|
|
|
872 (t
|
|
|
873 (font-warn 'html (format "Invalid RGB color specification: %s"
|
|
|
874 color))
|
|
|
875 (setq r 0
|
|
|
876 g 0
|
|
|
877 b 0)))
|
|
|
878 (list r g b) ))
|
|
|
879
|
|
|
880 (defsubst font-rgb-color-p (obj)
|
|
|
881 (and (vectorp obj)
|
|
|
882 (= (length obj) 4)
|
|
|
883 (eq (aref obj 0) 'rgb)))
|
|
|
884
|
|
|
885 (defsubst font-rgb-color-red (obj) (aref obj 1))
|
|
|
886 (defsubst font-rgb-color-green (obj) (aref obj 2))
|
|
|
887 (defsubst font-rgb-color-blue (obj) (aref obj 3))
|
|
|
888
|
|
|
889 (defun font-color-rgb-components (color)
|
|
|
890 "Return the RGB components of COLOR as a list of integers (R G B).
|
|
|
891 16-bit values are always returned.
|
|
|
892 #FEFEFE and rgb:fe/fe/fe style color specifications are parsed directly
|
|
|
893 into their components.
|
|
|
894 RGB values for color names are looked up in the rgb.txt file.
|
|
|
895 The variable x-library-search-path is use to locate the rgb.txt file."
|
|
|
896 (let ((case-fold-search t))
|
|
|
897 (cond
|
|
|
898 ((font-rgb-color-p color)
|
|
|
899 (list (* 65535 (font-rgb-color-red color))
|
|
|
900 (* 65535 (font-rgb-color-green color))
|
|
|
901 (* 65535 (font-rgb-color-blue color))))
|
|
|
902 ((and (vectorp color) (= 3 (length color)) (floatp (aref color 0)))
|
|
|
903 (list (* 65535 (aref color 0))
|
|
|
904 (* 65535 (aref color 1))
|
|
|
905 (* 65535 (aref color 2))))
|
|
|
906 ((and (vectorp color) (= 3 (length color)))
|
|
|
907 (list (aref color 0) (aref color 1) (aref color 2)))
|
|
|
908 ((and (listp color) (= 3 (length color)) (floatp (car color)))
|
|
|
909 (mapcar (function (lambda (x) (* x 65535))) color))
|
|
|
910 ((and (listp color) (= 3 (length color)))
|
|
|
911 color)
|
|
|
912 ((or (string-match "^#" color)
|
|
|
913 (string-match "^rgb:" color))
|
|
|
914 (font-parse-rgb-components color))
|
|
|
915 ((string-match "\\([0-9.]+\\)[ \t]\\([0-9.]+\\)[ \t]\\([0-9.]+\\)"
|
|
|
916 color)
|
|
|
917 (let ((r (string-to-number (match-string 1 color)))
|
|
|
918 (g (string-to-number (match-string 2 color)))
|
|
|
919 (b (string-to-number (match-string 3 color))))
|
|
|
920 (if (floatp r)
|
|
|
921 (setq r (round (* 255 r))
|
|
|
922 g (round (* 255 g))
|
|
|
923 b (round (* 255 b))))
|
|
|
924 (font-parse-rgb-components (format "#%02x%02x%02x" r g b))))
|
|
|
925 (t
|
|
|
926 (font-lookup-rgb-components color)))))
|
|
|
927
|
|
|
928 (defsubst font-tty-compute-color-delta (col1 col2)
|
|
|
929 (+
|
|
|
930 (* (- (aref col1 0) (aref col2 0))
|
|
|
931 (- (aref col1 0) (aref col2 0)))
|
|
|
932 (* (- (aref col1 1) (aref col2 1))
|
|
|
933 (- (aref col1 1) (aref col2 1)))
|
|
|
934 (* (- (aref col1 2) (aref col2 2))
|
|
|
935 (- (aref col1 2) (aref col2 2)))))
|
|
|
936
|
|
|
937 (defun font-tty-find-closest-color (r g b)
|
|
|
938 ;; This is basically just a lisp copy of allocate_nearest_color
|
|
|
939 ;; from objects-x.c from Emacs 19
|
|
|
940 ;; We really should just check tty-color-list, but unfortunately
|
|
|
941 ;; that does not include any RGB information at all.
|
|
|
942 ;; So for now we just hardwire in the default list and call it
|
|
|
943 ;; good for now.
|
|
|
944 (setq r (/ r 65535.0)
|
|
|
945 g (/ g 65535.0)
|
|
|
946 b (/ b 65535.0))
|
|
|
947 (let* ((color_def (vector r g b))
|
|
|
948 (colors [([1.0 1.0 1.0] . "white")
|
|
|
949 ([0.0 1.0 1.0] . "cyan")
|
|
|
950 ([1.0 0.0 1.0] . "magenta")
|
|
|
951 ([0.0 0.0 1.0] . "blue")
|
|
|
952 ([1.0 1.0 0.0] . "yellow")
|
|
|
953 ([0.0 1.0 0.0] . "green")
|
|
|
954 ([1.0 0.0 0.0] . "red")
|
|
|
955 ([0.0 0.0 0.0] . "black")])
|
|
|
956 (no_cells (length colors))
|
|
|
957 (x 1)
|
|
|
958 (nearest 0)
|
|
|
959 (nearest_delta 0)
|
|
|
960 (trial_delta 0))
|
|
|
961 (setq nearest_delta (font-tty-compute-color-delta (car (aref colors 0))
|
|
|
962 color_def))
|
|
|
963 (while (/= no_cells x)
|
|
|
964 (setq trial_delta (font-tty-compute-color-delta (car (aref colors x))
|
|
|
965 color_def))
|
|
|
966 (if (< trial_delta nearest_delta)
|
|
|
967 (setq nearest x
|
|
|
968 nearest_delta trial_delta))
|
|
|
969 (setq x (1+ x)))
|
|
|
970 (cdr-safe (aref colors nearest))))
|
|
|
971
|
|
|
972 (defun font-normalize-color (color &optional device)
|
|
|
973 "Return an RGB tuple, given any form of input. If an error occurs, black
|
|
|
974 is returned."
|
|
|
975 (cond
|
|
|
976 ((eq (device-type device) 'x)
|
|
|
977 (apply 'format "#%04x%04x%04x" (font-color-rgb-components color)))
|
|
|
978 ((eq (device-type device) 'tty)
|
|
|
979 (apply 'font-tty-find-closest-color (font-color-rgb-components color)))
|
|
|
980 ((eq (device-type device) 'ns)
|
|
|
981 (let ((vals (mapcar (function (lambda (x) (>> x 8)))
|
|
|
982 (font-color-rgb-components color))))
|
|
|
983 (apply 'format "RGB%02x%02x%02ff" vals)))
|
|
|
984 (t "black")))
|
|
|
985
|
|
|
986 (defun font-set-face-background (&optional face color &rest args)
|
|
|
987 (interactive)
|
|
|
988 (if (interactive-p)
|
|
|
989 (call-interactively 'font-original-set-face-background)
|
|
|
990 (cond
|
|
|
991 ((font-rgb-color-p color)
|
|
|
992 (apply 'font-original-set-face-background face
|
|
|
993 (font-normalize-color color) args))
|
|
|
994 (t
|
|
|
995 (apply 'font-original-set-face-background face color args)))))
|
|
|
996
|
|
|
997 (defun font-set-face-foreground (&optional face color &rest args)
|
|
|
998 (interactive)
|
|
|
999 (if (interactive-p)
|
|
|
1000 (call-interactively 'font-original-set-face-foreground)
|
|
|
1001 (cond
|
|
|
1002 ((font-rgb-color-p color)
|
|
|
1003 (apply 'font-original-set-face-foreground face
|
|
|
1004 (font-normalize-color color) args))
|
|
|
1005 (t
|
|
|
1006 (apply 'font-original-set-face-foreground face color args)))))
|
|
|
1007
|
|
|
1008 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
1009 ;;; Do the actual overwriting of some functions
|
|
|
1010 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
1011 (defmacro font-overwrite-fn (func)
|
|
|
1012 (` (let ((our-func (intern (format "font-%s" (, func))))
|
|
|
1013 (new-func (intern (format "font-original-%s" (, func))))
|
|
|
1014 (old-func (and (fboundp (, func)) (symbol-function (, func)))))
|
|
|
1015 (if (not (fboundp new-func))
|
|
|
1016 (progn
|
|
|
1017 (if old-func
|
|
|
1018 (fset new-func old-func)
|
|
|
1019 (fset new-func 'ignore))
|
|
|
1020 (fset (, func) our-func))))))
|
|
|
1021
|
|
|
1022 (font-overwrite-fn 'set-face-foreground)
|
|
|
1023 (font-overwrite-fn 'set-face-background)
|
|
|
1024 (font-overwrite-fn 'set-face-font)
|
|
|
1025
|
|
|
1026 (provide 'font)
|
