1/* 2 * "$Id: pwg-media.c 11934 2014-06-17 18:58:29Z msweet $" 3 * 4 * PWG media name API implementation for CUPS. 5 * 6 * Copyright 2009-2014 by Apple Inc. 7 * 8 * These coded instructions, statements, and computer programs are the 9 * property of Apple Inc. and are protected by Federal copyright 10 * law. Distribution and use rights are outlined in the file "LICENSE.txt" 11 * which should have been included with this file. If this file is 12 * file is missing or damaged, see the license at "http://www.cups.org/". 13 * 14 * This file is subject to the Apple OS-Developed Software exception. 15 */ 16 17/* 18 * Include necessary headers... 19 */ 20 21#include "cups-private.h" 22#include <math.h> 23 24 25/* 26 * Local macros... 27 */ 28 29#define _PWG_MEDIA_IN(p,l,a,x,y) {p, l, a, (int)(x * 2540), (int)(y * 2540)} 30#define _PWG_MEDIA_MM(p,l,a,x,y) {p, l, a, (int)(x * 100), (int)(y * 100)} 31 32 33/* 34 * Local functions... 35 */ 36 37static int pwg_compare_legacy(pwg_media_t *a, pwg_media_t *b); 38static int pwg_compare_pwg(pwg_media_t *a, pwg_media_t *b); 39static int pwg_compare_ppd(pwg_media_t *a, pwg_media_t *b); 40static char *pwg_format_inches(char *buf, size_t bufsize, int val); 41static char *pwg_format_millimeters(char *buf, size_t bufsize, int val); 42static int pwg_scan_measurement(const char *buf, char **bufptr, int numer, 43 int denom); 44 45 46/* 47 * Local globals... 48 */ 49 50static pwg_media_t const cups_pwg_media[] = 51{ /* Media size lookup table */ 52 /* North American Standard Sheet Media Sizes */ 53 _PWG_MEDIA_IN("na_index-3x5_3x5in", NULL, "3x5", 3, 5), 54 _PWG_MEDIA_IN("na_personal_3.625x6.5in", NULL, "EnvPersonal", 3.625, 6.5), 55 _PWG_MEDIA_IN("na_monarch_3.875x7.5in", "monarch-envelope", "EnvMonarch", 3.875, 7.5), 56 _PWG_MEDIA_IN("na_number-9_3.875x8.875in", "na-number-9-envelope", "Env9", 3.875, 8.875), 57 _PWG_MEDIA_IN("na_index-4x6_4x6in", NULL, "4x6", 4, 6), 58 _PWG_MEDIA_IN("na_number-10_4.125x9.5in", "na-number-10-envelope", "Env10", 4.125, 9.5), 59 _PWG_MEDIA_IN("na_a2_4.375x5.75in", NULL, "EnvA2", 4.375, 5.75), 60 _PWG_MEDIA_IN("na_number-11_4.5x10.375in", NULL, "Env11", 4.5, 10.375), 61 _PWG_MEDIA_IN("na_number-12_4.75x11in", NULL, "Env12", 4.75, 11), 62 _PWG_MEDIA_IN("na_5x7_5x7in", NULL, "5x7", 5, 7), 63 _PWG_MEDIA_IN("na_index-5x8_5x8in", NULL, "5x8", 5, 8), 64 _PWG_MEDIA_IN("na_number-14_5x11.5in", NULL, "Env14", 5, 11.5), 65 _PWG_MEDIA_IN("na_invoice_5.5x8.5in", "invoice", "Statement", 5.5, 8.5), 66 _PWG_MEDIA_IN("na_index-4x6-ext_6x8in", NULL, NULL, 6, 8), 67 _PWG_MEDIA_IN("na_6x9_6x9in", "na-6x9-envelope", "6x9", 6, 9), 68 _PWG_MEDIA_IN("na_c5_6.5x9.5in", NULL, "6.5x9.5", 6.5, 9.5), 69 _PWG_MEDIA_IN("na_7x9_7x9in", "na-7x9-envelope", "7x9", 7, 9), 70 _PWG_MEDIA_IN("na_executive_7.25x10.5in", "executive", "Executive", 7.25, 10.5), 71 _PWG_MEDIA_IN("na_govt-letter_8x10in", "na-8x10", "8x10", 8, 10), 72 _PWG_MEDIA_IN("na_govt-legal_8x13in", NULL, "8x13", 8, 13), 73 _PWG_MEDIA_IN("na_quarto_8.5x10.83in", "quarto", "Quarto", 8.5, 10.83), 74 _PWG_MEDIA_IN("na_letter_8.5x11in", "na-letter", "Letter", 8.5, 11), 75 _PWG_MEDIA_IN("na_fanfold-eur_8.5x12in", NULL, "FanFoldGerman", 8.5, 12), 76 _PWG_MEDIA_IN("na_letter-plus_8.5x12.69in", NULL, "LetterPlus", 8.5, 12.69), 77 _PWG_MEDIA_IN("na_foolscap_8.5x13in", NULL, "FanFoldGermanLegal", 8.5, 13), 78 _PWG_MEDIA_IN("na_oficio_8.5x13.4in", NULL, "Oficio", 8.5, 13.4), 79 _PWG_MEDIA_IN("na_legal_8.5x14in", "na-legal", "Legal", 8.5, 14), 80 _PWG_MEDIA_IN("na_super-a_8.94x14in", NULL, "SuperA", 8.94, 14), 81 _PWG_MEDIA_IN("na_9x11_9x11in", "na-9x11-envelope", "9x11", 9, 11), 82 _PWG_MEDIA_IN("na_arch-a_9x12in", "arch-a", "ARCHA", 9, 12), 83 _PWG_MEDIA_IN("na_letter-extra_9.5x12in", NULL, "LetterExtra", 9.5, 12), 84 _PWG_MEDIA_IN("na_legal-extra_9.5x15in", NULL, "LegalExtra", 9.5, 15), 85 _PWG_MEDIA_IN("na_10x11_10x11in", NULL, "10x11", 10, 11), 86 _PWG_MEDIA_IN("na_10x13_10x13in", "na-10x13-envelope", "10x13", 10, 13), 87 _PWG_MEDIA_IN("na_10x14_10x14in", "na-10x14-envelope", "10x14", 10, 14), 88 _PWG_MEDIA_IN("na_10x15_10x15in", "na-10x15-envelope", "10x15", 10, 15), 89 _PWG_MEDIA_IN("na_11x12_11x12in", NULL, "11x12", 11, 12), 90 _PWG_MEDIA_IN("na_edp_11x14in", NULL, "11x14", 11, 14), 91 _PWG_MEDIA_IN("na_fanfold-us_11x14.875in", NULL, NULL, 11, 14.875), 92 _PWG_MEDIA_IN("na_11x15_11x15in", NULL, "11x15", 11, 15), 93 _PWG_MEDIA_IN("na_ledger_11x17in", "tabloid", "Tabloid", 11, 17), 94 _PWG_MEDIA_IN("na_eur-edp_12x14in", NULL, NULL, 12, 14), 95 _PWG_MEDIA_IN("na_arch-b_12x18in", "arch-b", "ARCHB", 12, 18), 96 _PWG_MEDIA_IN("na_12x19_12x19in", NULL, "12x19", 12, 19), 97 _PWG_MEDIA_IN("na_b-plus_12x19.17in", NULL, "SuperB", 12, 19.17), 98 _PWG_MEDIA_IN("na_super-b_13x19in", "super-b", "13x19", 13, 19), 99 _PWG_MEDIA_IN("na_c_17x22in", "c", "AnsiC", 17, 22), 100 _PWG_MEDIA_IN("na_arch-c_18x24in", "arch-c", "ARCHC", 18, 24), 101 _PWG_MEDIA_IN("na_d_22x34in", "d", "AnsiD", 22, 34), 102 _PWG_MEDIA_IN("na_arch-d_24x36in", "arch-d", "ARCHD", 24, 36), 103 _PWG_MEDIA_IN("asme_f_28x40in", "f", NULL, 28, 40), 104 _PWG_MEDIA_IN("na_wide-format_30x42in", NULL, NULL, 30, 42), 105 _PWG_MEDIA_IN("na_e_34x44in", "e", "AnsiE", 34, 44), 106 _PWG_MEDIA_IN("na_arch-e_36x48in", "arch-e", "ARCHE", 36, 48), 107 _PWG_MEDIA_IN("na_f_44x68in", NULL, "AnsiF", 44, 68), 108 109 /* ISO Standard Sheet Media Sizes */ 110 _PWG_MEDIA_MM("iso_a10_26x37mm", "iso-a10", "A10", 26, 37), 111 _PWG_MEDIA_MM("iso_a9_37x52mm", "iso-a9", "A9", 37, 52), 112 _PWG_MEDIA_MM("iso_a8_52x74mm", "iso-a8", "A8", 52, 74), 113 _PWG_MEDIA_MM("iso_a7_74x105mm", "iso-a7", "A7", 74, 105), 114 _PWG_MEDIA_MM("iso_a6_105x148mm", "iso-a6", "A6", 105, 148), 115 _PWG_MEDIA_MM("iso_a5_148x210mm", "iso-a5", "A5", 148, 210), 116 _PWG_MEDIA_MM("iso_a5-extra_174x235mm", NULL, "A5Extra", 174, 235), 117 _PWG_MEDIA_MM("iso_a4_210x297mm", "iso-a4", "A4", 210, 297), 118 _PWG_MEDIA_MM("iso_a4-tab_225x297mm", NULL, "A4Tab", 225, 297), 119 _PWG_MEDIA_MM("iso_a4-extra_235.5x322.3mm", NULL, "A4Extra", 235.5, 322.3), 120 _PWG_MEDIA_MM("iso_a3_297x420mm", "iso-a3", "A3", 297, 420), 121 _PWG_MEDIA_MM("iso_a4x3_297x630mm", "iso-a4x3", NULL, 297, 630), 122 _PWG_MEDIA_MM("iso_a4x4_297x841mm", "iso-a4x4", NULL, 297, 841), 123 _PWG_MEDIA_MM("iso_a4x5_297x1051mm", "iso-a4x5", NULL, 297, 1051), 124 _PWG_MEDIA_MM("iso_a4x6_297x1261mm", "iso-a4x6", NULL, 297, 1261), 125 _PWG_MEDIA_MM("iso_a4x7_297x1471mm", "iso-a4x7", NULL, 297, 1471), 126 _PWG_MEDIA_MM("iso_a4x8_297x1682mm", "iso-a4x8", NULL, 297, 1682), 127 _PWG_MEDIA_MM("iso_a4x9_297x1892mm", "iso-a4x9", NULL, 297, 1892), 128 _PWG_MEDIA_MM("iso_a3-extra_322x445mm", "iso-a3-extra", "A3Extra", 322, 445), 129 _PWG_MEDIA_MM("iso_a2_420x594mm", "iso-a2", "A2", 420, 594), 130 _PWG_MEDIA_MM("iso_a3x3_420x891mm", "iso-a3x3", NULL, 420, 891), 131 _PWG_MEDIA_MM("iso_a3x4_420x1189mm", "iso-a3x4", NULL, 420, 1189), 132 _PWG_MEDIA_MM("iso_a3x5_420x1486mm", "iso-a3x5", NULL, 420, 1486), 133 _PWG_MEDIA_MM("iso_a3x6_420x1783mm", "iso-a3x6", NULL, 420, 1783), 134 _PWG_MEDIA_MM("iso_a3x7_420x2080mm", "iso-a3x7", NULL, 420, 2080), 135 _PWG_MEDIA_MM("iso_a1_594x841mm", "iso-a1", "A1", 594, 841), 136 _PWG_MEDIA_MM("iso_a2x3_594x1261mm", "iso-a2x3", NULL, 594, 1261), 137 _PWG_MEDIA_MM("iso_a2x4_594x1682mm", "iso-a2x4", NULL, 594, 1682), 138 _PWG_MEDIA_MM("iso_a2x5_594x2102mm", "iso-a2x5", NULL, 594, 2102), 139 _PWG_MEDIA_MM("iso_a0_841x1189mm", "iso-a0", "A0", 841, 1189), 140 _PWG_MEDIA_MM("iso_a1x3_841x1783mm", "iso-a1x3", NULL, 841, 1783), 141 _PWG_MEDIA_MM("iso_a1x4_841x2378mm", "iso-a1x4", NULL, 841, 2378), 142 _PWG_MEDIA_MM("iso_2a0_1189x1682mm", NULL, NULL, 1189, 1682), 143 _PWG_MEDIA_MM("iso_a0x3_1189x2523mm", NULL, NULL, 1189, 2523), 144 _PWG_MEDIA_MM("iso_b10_31x44mm", "iso-b10", "ISOB10", 31, 44), 145 _PWG_MEDIA_MM("iso_b9_44x62mm", "iso-b9", "ISOB9", 44, 62), 146 _PWG_MEDIA_MM("iso_b8_62x88mm", "iso-b8", "ISOB8", 62, 88), 147 _PWG_MEDIA_MM("iso_b7_88x125mm", "iso-b7", "ISOB7", 88, 125), 148 _PWG_MEDIA_MM("iso_b6_125x176mm", "iso-b6", "ISOB6", 125, 176), 149 _PWG_MEDIA_MM("iso_b6c4_125x324mm", NULL, NULL, 125, 324), 150 _PWG_MEDIA_MM("iso_b5_176x250mm", "iso-b5", "ISOB5", 176, 250), 151 _PWG_MEDIA_MM("iso_b5-extra_201x276mm", NULL, "ISOB5Extra", 201, 276), 152 _PWG_MEDIA_MM("iso_b4_250x353mm", "iso-b4", "ISOB4", 250, 353), 153 _PWG_MEDIA_MM("iso_b3_353x500mm", "iso-b3", "ISOB3", 353, 500), 154 _PWG_MEDIA_MM("iso_b2_500x707mm", "iso-b2", "ISOB2", 500, 707), 155 _PWG_MEDIA_MM("iso_b1_707x1000mm", "iso-b1", "ISOB1", 707, 1000), 156 _PWG_MEDIA_MM("iso_b0_1000x1414mm", "iso-b0", "ISOB0", 1000, 1414), 157 _PWG_MEDIA_MM("iso_c10_28x40mm", "iso-c10", NULL, 28, 40), 158 _PWG_MEDIA_MM("iso_c9_40x57mm", "iso-c9", NULL, 40, 57), 159 _PWG_MEDIA_MM("iso_c8_57x81mm", "iso-c8", NULL, 57, 81), 160 _PWG_MEDIA_MM("iso_c7_81x114mm", "iso-c7", "EnvC7", 81, 114), 161 _PWG_MEDIA_MM("iso_c7c6_81x162mm", NULL, NULL, 81, 162), 162 _PWG_MEDIA_MM("iso_c6_114x162mm", "iso-c6", "EnvC6", 114, 162), 163 _PWG_MEDIA_MM("iso_c6c5_114x229mm", NULL, "EnvC65", 114, 229), 164 _PWG_MEDIA_MM("iso_c5_162x229mm", "iso-c5", "EnvC5", 162, 229), 165 _PWG_MEDIA_MM("iso_c4_229x324mm", "iso-c4", "EnvC4", 229, 324), 166 _PWG_MEDIA_MM("iso_c3_324x458mm", "iso-c3", "EnvC3", 324, 458), 167 _PWG_MEDIA_MM("iso_c2_458x648mm", "iso-c2", "EnvC2", 458, 648), 168 _PWG_MEDIA_MM("iso_c1_648x917mm", "iso-c1", "EnvC1", 648, 917), 169 _PWG_MEDIA_MM("iso_c0_917x1297mm", "iso-c0", "EnvC0", 917, 1297), 170 _PWG_MEDIA_MM("iso_dl_110x220mm", "iso-designated", "EnvDL", 110, 220), 171 _PWG_MEDIA_MM("iso_ra4_215x305mm", "iso-ra4", NULL, 215, 305), 172 _PWG_MEDIA_MM("iso_sra4_225x320mm", "iso-sra4", NULL, 225, 320), 173 _PWG_MEDIA_MM("iso_ra3_305x430mm", "iso-ra3", NULL, 305, 430), 174 _PWG_MEDIA_MM("iso_sra3_320x450mm", "iso-sra3", NULL, 320, 450), 175 _PWG_MEDIA_MM("iso_ra2_430x610mm", "iso-ra2", NULL, 430, 610), 176 _PWG_MEDIA_MM("iso_sra2_450x640mm", "iso-sra2", NULL, 450, 640), 177 _PWG_MEDIA_MM("iso_ra1_610x860mm", "iso-ra1", NULL, 610, 860), 178 _PWG_MEDIA_MM("iso_sra1_640x900mm", "iso-sra1", NULL, 640, 900), 179 _PWG_MEDIA_MM("iso_ra0_860x1220mm", "iso-ra0", NULL, 860, 1220), 180 _PWG_MEDIA_MM("iso_sra0_900x1280mm", "iso-sra0", NULL, 900, 1280), 181 182 /* Japanese Standard Sheet Media Sizes */ 183 _PWG_MEDIA_MM("jis_b10_32x45mm", "jis-b10", "B10", 32, 45), 184 _PWG_MEDIA_MM("jis_b9_45x64mm", "jis-b9", "B9", 45, 64), 185 _PWG_MEDIA_MM("jis_b8_64x91mm", "jis-b8", "B8", 64, 91), 186 _PWG_MEDIA_MM("jis_b7_91x128mm", "jis-b7", "B7", 91, 128), 187 _PWG_MEDIA_MM("jis_b6_128x182mm", "jis-b6", "B6", 128, 182), 188 _PWG_MEDIA_MM("jis_b5_182x257mm", "jis-b5", "B5", 182, 257), 189 _PWG_MEDIA_MM("jis_b4_257x364mm", "jis-b4", "B4", 257, 364), 190 _PWG_MEDIA_MM("jis_b3_364x515mm", "jis-b3", "B3", 364, 515), 191 _PWG_MEDIA_MM("jis_b2_515x728mm", "jis-b2", "B2", 515, 728), 192 _PWG_MEDIA_MM("jis_b1_728x1030mm", "jis-b1", "B1", 728, 1030), 193 _PWG_MEDIA_MM("jis_b0_1030x1456mm", "jis-b0", "B0", 1030, 1456), 194 _PWG_MEDIA_MM("jis_exec_216x330mm", NULL, NULL, 216, 330), 195 _PWG_MEDIA_MM("jpn_kaku2_240x332mm", NULL, "EnvKaku2", 240, 332), 196 _PWG_MEDIA_MM("jpn_kaku3_216x277mm", NULL, "EnvKaku3", 216, 277), 197 _PWG_MEDIA_MM("jpn_kaku4_197x267mm", NULL, "EnvKaku4", 197, 267), 198 _PWG_MEDIA_MM("jpn_kaku5_190x240mm", NULL, "EnvKaku5", 190, 240), 199 _PWG_MEDIA_MM("jpn_kaku7_142x205mm", NULL, "EnvKaku7", 142, 205), 200 _PWG_MEDIA_MM("jpn_kaku8_119x197mm", NULL, "EnvKaku8", 119, 197), 201 _PWG_MEDIA_MM("jpn_chou4_90x205mm", NULL, "EnvChou4", 90, 205), 202 _PWG_MEDIA_MM("jpn_hagaki_100x148mm", NULL, "Postcard", 100, 148), 203 _PWG_MEDIA_MM("jpn_you4_105x235mm", NULL, "EnvYou4", 105, 235), 204 _PWG_MEDIA_MM("jpn_you6_98x190mm", NULL, "EnvYou6", 98, 190), 205 _PWG_MEDIA_MM("jpn_chou2_111.1x146mm", NULL, NULL, 111.1, 146), 206 _PWG_MEDIA_MM("jpn_chou3_120x235mm", NULL, "EnvChou3", 120, 235), 207 _PWG_MEDIA_MM("jpn_chou40_90x225mm", NULL, "EnvChou40", 90, 225), 208 _PWG_MEDIA_MM("jpn_oufuku_148x200mm", NULL, "DoublePostcardRotated", 148, 200), 209 _PWG_MEDIA_MM("jpn_kahu_240x322.1mm", NULL, NULL, 240, 322.1), 210 211 /* Chinese Standard Sheet Media Sizes */ 212 _PWG_MEDIA_MM("prc_32k_97x151mm", NULL, "PRC32K", 97, 151), 213 _PWG_MEDIA_MM("prc_1_102x165mm", NULL, "EnvPRC1", 102, 165), 214 _PWG_MEDIA_MM("prc_2_102x176mm", NULL, "EnvPRC2", 102, 176), 215 _PWG_MEDIA_MM("prc_4_110x208mm", NULL, "EnvPRC4", 110, 208), 216 _PWG_MEDIA_MM("prc_8_120x309mm", NULL, "EnvPRC8", 120, 309), 217 _PWG_MEDIA_MM("prc_6_120x320mm", NULL, NULL, 120, 320), 218 _PWG_MEDIA_MM("prc_16k_146x215mm", NULL, "PRC16K", 146, 215), 219 _PWG_MEDIA_MM("prc_7_160x230mm", NULL, "EnvPRC7", 160, 230), 220 _PWG_MEDIA_MM("om_juuro-ku-kai_198x275mm", NULL, NULL, 198, 275), 221 _PWG_MEDIA_MM("om_pa-kai_267x389mm", NULL, NULL, 267, 389), 222 _PWG_MEDIA_MM("om_dai-pa-kai_275x395mm", NULL, NULL, 275, 395), 223 224 /* Chinese Standard Sheet Media Inch Sizes */ 225 _PWG_MEDIA_IN("roc_16k_7.75x10.75in", NULL, "roc16k", 7.75, 10.75), 226 _PWG_MEDIA_IN("roc_8k_10.75x15.5in", NULL, "roc8k", 10.75, 15.5), 227 228 /* Other English Standard Sheet Media Sizes */ 229 _PWG_MEDIA_IN("oe_photo-l_3.5x5in", NULL, "3.5x5", 3.5, 5), 230 231 /* Other Metric Standard Sheet Media Sizes */ 232 _PWG_MEDIA_MM("om_small-photo_100x150mm", NULL, "om_small-photo", 100, 150), 233 _PWG_MEDIA_MM("om_italian_110x230mm", NULL, "EnvItalian", 110, 230), 234 _PWG_MEDIA_MM("om_large-photo_200x300", NULL, "om_large-photo", 200, 300), 235 _PWG_MEDIA_MM("om_folio_210x330mm", "folio", "Folio", 210, 330), 236 _PWG_MEDIA_MM("om_folio-sp_215x315mm", NULL, "FolioSP", 215, 315), 237 _PWG_MEDIA_MM("om_invite_220x220mm", NULL, "EnvInvite", 220, 220), 238 _PWG_MEDIA_MM("om_small-photo_100x200mm", NULL, "om_wide-photo", 100, 200) 239}; 240 241 242/* 243 * 'pwgFormatSizeName()' - Generate a PWG self-describing media size name. 244 * 245 * This function generates a PWG self-describing media size name of the form 246 * "prefix_name_WIDTHxLENGTHunits". The prefix is typically "custom" or "roll" 247 * for user-supplied sizes but can also be "disc", "iso", "jis", "jpn", "na", 248 * "oe", "om", "prc", or "roc". A value of @code NULL@ automatically chooses 249 * "oe" or "om" depending on the units. 250 * 251 * The size name may only contain lowercase letters, numbers, "-", and ".". If 252 * @code NULL@ is passed, the size name will contain the formatted dimensions. 253 * 254 * The width and length are specified in hundredths of millimeters, equivalent 255 * to 1/100000th of a meter or 1/2540th of an inch. The width, length, and 256 * units used for the generated size name are calculated automatically if the 257 * units string is @code NULL@, otherwise inches ("in") or millimeters ("mm") 258 * are used. 259 * 260 * @since CUPS 1.7/OS X 10.9@ 261 */ 262 263int /* O - 1 on success, 0 on failure */ 264pwgFormatSizeName(char *keyword, /* I - Keyword buffer */ 265 size_t keysize, /* I - Size of keyword buffer */ 266 const char *prefix, /* I - Prefix for PWG size or @code NULL@ for automatic */ 267 const char *name, /* I - Size name or @code NULL@ */ 268 int width, /* I - Width of page in 2540ths */ 269 int length, /* I - Length of page in 2540ths */ 270 const char *units) /* I - Units - "in", "mm", or @code NULL@ for automatic */ 271{ 272 char usize[12 + 1 + 12 + 3], /* Unit size: NNNNNNNNNNNNxNNNNNNNNNNNNuu */ 273 *uptr; /* Pointer into unit size */ 274 char *(*format)(char *, size_t, int); 275 /* Formatting function */ 276 277 278 /* 279 * Range check input... 280 */ 281 282 DEBUG_printf(("pwgFormatSize(keyword=%p, keysize=" CUPS_LLFMT 283 ", prefix=\"%s\", name=\"%s\", width=%d, length=%d, " 284 "units=\"%s\")", keyword, CUPS_LLCAST keysize, prefix, name, 285 width, length, units)); 286 287 if (keyword) 288 *keyword = '\0'; 289 290 if (!keyword || keysize < 32 || width < 0 || length < 0 || 291 (units && strcmp(units, "in") && strcmp(units, "mm"))) 292 { 293 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Invalid media name arguments."), 294 1); 295 return (0); 296 } 297 298 if (name) 299 { 300 /* 301 * Validate name... 302 */ 303 304 const char *nameptr; /* Pointer into name */ 305 306 for (nameptr = name; *nameptr; nameptr ++) 307 if (!(*nameptr >= 'a' && *nameptr <= 'z') && 308 !(*nameptr >= '0' && *nameptr <= '9') && 309 *nameptr != '.' && *nameptr != '-') 310 { 311 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, 312 _("Invalid media name arguments."), 1); 313 return (0); 314 } 315 } 316 else 317 name = usize; 318 319 320 if (!units) 321 { 322 if ((width % 635) == 0 && (length % 635) == 0) 323 { 324 /* 325 * Use inches since the size is a multiple of 1/4 inch. 326 */ 327 328 units = "in"; 329 } 330 else 331 { 332 /* 333 * Use millimeters since the size is not a multiple of 1/4 inch. 334 */ 335 336 units = "mm"; 337 } 338 } 339 340 if (!strcmp(units, "in")) 341 { 342 format = pwg_format_inches; 343 344 if (!prefix) 345 prefix = "oe"; 346 } 347 else 348 { 349 format = pwg_format_millimeters; 350 351 if (!prefix) 352 prefix = "om"; 353 } 354 355 /* 356 * Format the size string... 357 */ 358 359 uptr = usize; 360 (*format)(uptr, sizeof(usize) - (size_t)(uptr - usize), width); 361 uptr += strlen(uptr); 362 *uptr++ = 'x'; 363 (*format)(uptr, sizeof(usize) - (size_t)(uptr - usize), length); 364 uptr += strlen(uptr); 365 366 /* 367 * Safe because usize can hold up to 12 + 1 + 12 + 4 bytes. 368 */ 369 370 memcpy(uptr, units, 3); 371 372 /* 373 * Format the name... 374 */ 375 376 snprintf(keyword, keysize, "%s_%s_%s", prefix, name, usize); 377 378 return (1); 379} 380 381/* For OS X 10.8 and earlier... */ 382void _pwgGenerateSize(char *keyword, size_t keysize, const char *prefix, 383 const char *name, int width, int length) 384{ pwgFormatSizeName(keyword, keysize, prefix, name, width, length, NULL); } 385 386 387/* 388 * 'pwgInitSize()' - Initialize a pwg_size_t structure using IPP Job Template 389 * attributes. 390 * 391 * This function initializes a pwg_size_t structure from an IPP "media" or 392 * "media-col" attribute in the specified IPP message. 0 is returned if neither 393 * attribute is found in the message or the values are not valid. 394 * 395 * The "margins_set" variable is initialized to 1 if any "media-xxx-margin" 396 * member attribute was specified in the "media-col" Job Template attribute, 397 * otherwise it is initialized to 0. 398 * 399 * @since CUPS 1.7/OS X 10.9@ 400 */ 401 402int /* O - 1 if size was initialized, 0 otherwise */ 403pwgInitSize(pwg_size_t *size, /* I - Size to initialize */ 404 ipp_t *job, /* I - Job template attributes */ 405 int *margins_set) /* O - 1 if margins were set, 0 otherwise */ 406{ 407 ipp_attribute_t *media, /* media attribute */ 408 *media_bottom_margin, /* media-bottom-margin member attribute */ 409 *media_col, /* media-col attribute */ 410 *media_left_margin, /* media-left-margin member attribute */ 411 *media_right_margin, /* media-right-margin member attribute */ 412 *media_size, /* media-size member attribute */ 413 *media_top_margin, /* media-top-margin member attribute */ 414 *x_dimension, /* x-dimension member attribute */ 415 *y_dimension; /* y-dimension member attribute */ 416 pwg_media_t *pwg; /* PWG media value */ 417 418 419 /* 420 * Range check input... 421 */ 422 423 if (!size || !job || !margins_set) 424 return (0); 425 426 /* 427 * Look for media-col and then media... 428 */ 429 430 memset(size, 0, sizeof(pwg_size_t)); 431 *margins_set = 0; 432 433 if ((media_col = ippFindAttribute(job, "media-col", 434 IPP_TAG_BEGIN_COLLECTION)) != NULL) 435 { 436 /* 437 * Got media-col, look for media-size member attribute... 438 */ 439 440 if ((media_size = ippFindAttribute(media_col->values[0].collection, 441 "media-size", 442 IPP_TAG_BEGIN_COLLECTION)) != NULL) 443 { 444 /* 445 * Got media-size, look for x-dimension and y-dimension member 446 * attributes... 447 */ 448 449 x_dimension = ippFindAttribute(media_size->values[0].collection, 450 "x-dimension", IPP_TAG_INTEGER); 451 y_dimension = ippFindAttribute(media_size->values[0].collection, 452 "y-dimension", IPP_TAG_INTEGER); 453 454 if (x_dimension && y_dimension) 455 { 456 size->width = x_dimension->values[0].integer; 457 size->length = y_dimension->values[0].integer; 458 } 459 else if (!x_dimension) 460 { 461 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, 462 _("Missing x-dimension in media-size."), 1); 463 return (0); 464 } 465 else if (!y_dimension) 466 { 467 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, 468 _("Missing y-dimension in media-size."), 1); 469 return (0); 470 } 471 } 472 else 473 { 474 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Missing media-size in media-col."), 475 1); 476 return (0); 477 } 478 479 /* media-*-margin */ 480 media_bottom_margin = ippFindAttribute(media_col->values[0].collection, 481 "media-bottom-margin", 482 IPP_TAG_INTEGER); 483 media_left_margin = ippFindAttribute(media_col->values[0].collection, 484 "media-left-margin", 485 IPP_TAG_INTEGER); 486 media_right_margin = ippFindAttribute(media_col->values[0].collection, 487 "media-right-margin", 488 IPP_TAG_INTEGER); 489 media_top_margin = ippFindAttribute(media_col->values[0].collection, 490 "media-top-margin", 491 IPP_TAG_INTEGER); 492 if (media_bottom_margin && media_left_margin && media_right_margin && 493 media_top_margin) 494 { 495 *margins_set = 1; 496 size->bottom = media_bottom_margin->values[0].integer; 497 size->left = media_left_margin->values[0].integer; 498 size->right = media_right_margin->values[0].integer; 499 size->top = media_top_margin->values[0].integer; 500 } 501 } 502 else 503 { 504 if ((media = ippFindAttribute(job, "media", IPP_TAG_NAME)) == NULL) 505 if ((media = ippFindAttribute(job, "media", IPP_TAG_KEYWORD)) == NULL) 506 if ((media = ippFindAttribute(job, "PageSize", IPP_TAG_NAME)) == NULL) 507 media = ippFindAttribute(job, "PageRegion", IPP_TAG_NAME); 508 509 if (media && media->values[0].string.text) 510 { 511 const char *name = media->values[0].string.text; 512 /* Name string */ 513 514 if ((pwg = pwgMediaForPWG(name)) == NULL) 515 { 516 /* 517 * Not a PWG name, try a legacy name... 518 */ 519 520 if ((pwg = pwgMediaForLegacy(name)) == NULL) 521 { 522 /* 523 * Not a legacy name, try a PPD name... 524 */ 525 526 const char *suffix; /* Suffix on media string */ 527 528 pwg = pwgMediaForPPD(name); 529 if (pwg && 530 (suffix = name + strlen(name) - 10 /* .FullBleed */) > name && 531 !_cups_strcasecmp(suffix, ".FullBleed")) 532 { 533 /* 534 * Indicate that margins are set with the default values of 0. 535 */ 536 537 *margins_set = 1; 538 } 539 } 540 } 541 542 if (pwg) 543 { 544 size->width = pwg->width; 545 size->length = pwg->length; 546 } 547 else 548 { 549 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unsupported media value."), 1); 550 return (0); 551 } 552 } 553 else 554 { 555 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Missing media or media-col."), 1); 556 return (0); 557 } 558 } 559 560 return (1); 561} 562 563/* For OS X 10.8 and earlier */ 564int _pwgInitSize(pwg_size_t *size, ipp_t *job, int *margins_set) 565{ return (pwgInitSize(size, job, margins_set)); } 566 567 568/* 569 * 'pwgMediaForLegacy()' - Find a PWG media size by ISO/IPP legacy name. 570 * 571 * The "name" argument specifies the legacy ISO media size name, for example 572 * "iso-a4" or "na-letter". 573 * 574 * @since CUPS 1.7/OS X 10.9@ 575 */ 576 577pwg_media_t * /* O - Matching size or NULL */ 578pwgMediaForLegacy(const char *legacy) /* I - Legacy size name */ 579{ 580 pwg_media_t key; /* Search key */ 581 _cups_globals_t *cg = _cupsGlobals(); /* Global data */ 582 583 584 /* 585 * Range check input... 586 */ 587 588 if (!legacy) 589 return (NULL); 590 591 /* 592 * Build the lookup table for PWG names as needed... 593 */ 594 595 if (!cg->leg_size_lut) 596 { 597 int i; /* Looping var */ 598 pwg_media_t *size; /* Current size */ 599 600 cg->leg_size_lut = cupsArrayNew((cups_array_func_t)pwg_compare_legacy, 601 NULL); 602 603 for (i = (int)(sizeof(cups_pwg_media) / sizeof(cups_pwg_media[0])), 604 size = (pwg_media_t *)cups_pwg_media; 605 i > 0; 606 i --, size ++) 607 if (size->legacy) 608 cupsArrayAdd(cg->leg_size_lut, size); 609 } 610 611 /* 612 * Lookup the name... 613 */ 614 615 key.legacy = legacy; 616 return ((pwg_media_t *)cupsArrayFind(cg->leg_size_lut, &key)); 617} 618 619/* For OS X 10.8 and earlier */ 620pwg_media_t *_pwgMediaForLegacy(const char *legacy) 621{ return (pwgMediaForLegacy(legacy)); } 622 623 624/* 625 * 'pwgMediaForPPD()' - Find a PWG media size by Adobe PPD name. 626 * 627 * The "ppd" argument specifies an Adobe page size name as defined in Table B.1 628 * of the Adobe PostScript Printer Description File Format Specification Version 629 * 4.3. 630 * 631 * If the name is non-standard, the returned PWG media size is stored in 632 * thread-local storage and is overwritten by each call to the function in the 633 * thread. Custom names can be of the form "Custom.WIDTHxLENGTH[units]" or 634 * "WIDTHxLENGTH[units]". 635 * 636 * @since CUPS 1.7/OS X 10.9@ 637 */ 638 639pwg_media_t * /* O - Matching size or NULL */ 640pwgMediaForPPD(const char *ppd) /* I - PPD size name */ 641{ 642 pwg_media_t key, /* Search key */ 643 *size; /* Matching size */ 644 _cups_globals_t *cg = _cupsGlobals(); /* Global data */ 645 646 647 /* 648 * Range check input... 649 */ 650 651 if (!ppd) 652 return (NULL); 653 654 /* 655 * Build the lookup table for PWG names as needed... 656 */ 657 658 if (!cg->ppd_size_lut) 659 { 660 int i; /* Looping var */ 661 662 cg->ppd_size_lut = cupsArrayNew((cups_array_func_t)pwg_compare_ppd, NULL); 663 664 for (i = (int)(sizeof(cups_pwg_media) / sizeof(cups_pwg_media[0])), 665 size = (pwg_media_t *)cups_pwg_media; 666 i > 0; 667 i --, size ++) 668 if (size->ppd) 669 cupsArrayAdd(cg->ppd_size_lut, size); 670 } 671 672 /* 673 * Lookup the name... 674 */ 675 676 key.ppd = ppd; 677 if ((size = (pwg_media_t *)cupsArrayFind(cg->ppd_size_lut, &key)) == NULL) 678 { 679 /* 680 * See if the name is of the form: 681 * 682 * [Custom.]WIDTHxLENGTH[.FullBleed] - Size in points/inches [borderless] 683 * [Custom.]WIDTHxLENGTHcm[.FullBleed] - Size in centimeters [borderless] 684 * [Custom.]WIDTHxLENGTHft[.FullBleed] - Size in feet [borderless] 685 * [Custom.]WIDTHxLENGTHin[.FullBleed] - Size in inches [borderless] 686 * [Custom.]WIDTHxLENGTHm[.FullBleed] - Size in meters [borderless] 687 * [Custom.]WIDTHxLENGTHmm[.FullBleed] - Size in millimeters [borderless] 688 * [Custom.]WIDTHxLENGTHpt[.FullBleed] - Size in points [borderless] 689 */ 690 691 int w, l, /* Width and length of page */ 692 numer, /* Unit scaling factor */ 693 denom; /* ... */ 694 char *ptr; /* Pointer into name */ 695 const char *units; /* Pointer to units */ 696 int custom; /* Custom page size? */ 697 698 699 if (!_cups_strncasecmp(ppd, "Custom.", 7)) 700 { 701 custom = 1; 702 numer = 2540; 703 denom = 72; 704 ptr = (char *)ppd + 7; 705 } 706 else 707 { 708 custom = 0; 709 numer = 2540; 710 denom = 1; 711 ptr = (char *)ppd; 712 } 713 714 /* 715 * Find any units in the size... 716 */ 717 718 units = strchr(ptr, '.'); 719 while (units && isdigit(units[1] & 255)) 720 units = strchr(units + 1, '.'); 721 722 if (units) 723 units -= 2; 724 else 725 units = ptr + strlen(ptr) - 2; 726 727 if (units > ptr) 728 { 729 if (isdigit(*units & 255) || *units == '.') 730 units ++; 731 732 if (!_cups_strncasecmp(units, "cm", 2)) 733 { 734 numer = 1000; 735 denom = 1; 736 } 737 else if (!_cups_strncasecmp(units, "ft", 2)) 738 { 739 numer = 2540 * 12; 740 denom = 1; 741 } 742 else if (!_cups_strncasecmp(units, "in", 2)) 743 { 744 numer = 2540; 745 denom = 1; 746 } 747 else if (!_cups_strncasecmp(units, "mm", 2)) 748 { 749 numer = 100; 750 denom = 1; 751 } 752 else if (*units == 'm' || *units == 'M') 753 { 754 numer = 100000; 755 denom = 1; 756 } 757 else if (!_cups_strncasecmp(units, "pt", 2)) 758 { 759 numer = 2540; 760 denom = 72; 761 } 762 } 763 764 w = pwg_scan_measurement(ptr, &ptr, numer, denom); 765 766 if (ptr && ptr > ppd && *ptr == 'x') 767 { 768 l = pwg_scan_measurement(ptr + 1, &ptr, numer, denom); 769 770 if (ptr) 771 { 772 /* 773 * Not a standard size; convert it to a PWG custom name of the form: 774 * 775 * [oe|om]_WIDTHxHEIGHTuu_WIDTHxHEIGHTuu 776 */ 777 778 size = &(cg->pwg_media); 779 size->width = w; 780 size->length = l; 781 size->pwg = cg->pwg_name; 782 783 pwgFormatSizeName(cg->pwg_name, sizeof(cg->pwg_name), 784 custom ? "custom" : NULL, custom ? ppd + 7 : NULL, 785 size->width, size->length, NULL); 786 } 787 } 788 } 789 790 return (size); 791} 792 793/* For OS X 10.8 and earlier */ 794pwg_media_t *_pwgMediaForPPD(const char *ppd) 795{ return (pwgMediaForPPD(ppd)); } 796 797 798/* 799 * 'pwgMediaForPWG()' - Find a PWG media size by 5101.1 self-describing name. 800 * 801 * The "pwg" argument specifies a self-describing media size name of the form 802 * "prefix_name_WIDTHxLENGTHunits" as defined in PWG 5101.1. 803 * 804 * If the name is non-standard, the returned PWG media size is stored in 805 * thread-local storage and is overwritten by each call to the function in the 806 * thread. 807 * 808 * @since CUPS 1.7/OS X 10.9@ 809 */ 810 811pwg_media_t * /* O - Matching size or NULL */ 812pwgMediaForPWG(const char *pwg) /* I - PWG size name */ 813{ 814 char *ptr; /* Pointer into name */ 815 pwg_media_t key, /* Search key */ 816 *size; /* Matching size */ 817 _cups_globals_t *cg = _cupsGlobals(); /* Global data */ 818 819 820 /* 821 * Range check input... 822 */ 823 824 if (!pwg) 825 return (NULL); 826 827 /* 828 * Build the lookup table for PWG names as needed... 829 */ 830 831 if (!cg->pwg_size_lut) 832 { 833 int i; /* Looping var */ 834 835 cg->pwg_size_lut = cupsArrayNew((cups_array_func_t)pwg_compare_pwg, NULL); 836 837 for (i = (int)(sizeof(cups_pwg_media) / sizeof(cups_pwg_media[0])), 838 size = (pwg_media_t *)cups_pwg_media; 839 i > 0; 840 i --, size ++) 841 cupsArrayAdd(cg->pwg_size_lut, size); 842 } 843 844 /* 845 * Lookup the name... 846 */ 847 848 key.pwg = pwg; 849 if ((size = (pwg_media_t *)cupsArrayFind(cg->pwg_size_lut, &key)) == NULL && 850 (ptr = (char *)strchr(pwg, '_')) != NULL && 851 (ptr = (char *)strchr(ptr + 1, '_')) != NULL) 852 { 853 /* 854 * Try decoding the self-describing name of the form: 855 * 856 * class_name_WWWxHHHin 857 * class_name_WWWxHHHmm 858 */ 859 860 int w, l; /* Width and length of page */ 861 int numer; /* Scale factor for units */ 862 const char *units = ptr + strlen(ptr) - 2; 863 /* Units from size */ 864 865 ptr ++; 866 867 if (units >= ptr && !strcmp(units, "in")) 868 numer = 2540; 869 else 870 numer = 100; 871 872 w = pwg_scan_measurement(ptr, &ptr, numer, 1); 873 874 if (ptr && *ptr == 'x') 875 { 876 l = pwg_scan_measurement(ptr + 1, &ptr, numer, 1); 877 878 if (ptr) 879 { 880 size = &(cg->pwg_media); 881 size->width = w; 882 size->length = l; 883 884 strlcpy(cg->pwg_name, pwg, sizeof(cg->pwg_name)); 885 size->pwg = cg->pwg_name; 886 } 887 } 888 } 889 890 return (size); 891} 892 893/* For OS X 10.8 and earlier */ 894pwg_media_t *_pwgMediaForPWG(const char *pwg) 895{ return (pwgMediaForPWG(pwg)); } 896 897 898/* 899 * 'pwgMediaForSize()' - Get the PWG media size for the given dimensions. 900 * 901 * The "width" and "length" are in hundredths of millimeters, equivalent to 902 * 1/100000th of a meter or 1/2540th of an inch. 903 * 904 * If the dimensions are non-standard, the returned PWG media size is stored in 905 * thread-local storage and is overwritten by each call to the function in the 906 * thread. 907 * 908 * @since CUPS 1.7/OS X 10.9@ 909 */ 910 911pwg_media_t * /* O - PWG media name */ 912pwgMediaForSize(int width, /* I - Width in hundredths of millimeters */ 913 int length) /* I - Length in hundredths of millimeters */ 914{ 915 /* 916 * Adobe uses a size matching algorithm with an epsilon of 5 points, which 917 * is just about 176/2540ths... 918 */ 919 920 return (_pwgMediaNearSize(width, length, 176)); 921} 922 923 924/* 925 * '_pwgMediaNearSize()' - Get the PWG media size within the given tolerance. 926 */ 927 928pwg_media_t * /* O - PWG media name */ 929_pwgMediaNearSize(int width, /* I - Width in hundredths of millimeters */ 930 int length, /* I - Length in hundredths of millimeters */ 931 int epsilon) /* I - Match within this tolernace. PWG units */ 932{ 933 int i; /* Looping var */ 934 pwg_media_t *media, /* Current media */ 935 *best_media = NULL; /* Best match */ 936 int dw, dl, /* Difference in width and length */ 937 best_dw = 999, /* Best difference in width and length */ 938 best_dl = 999; 939 _cups_globals_t *cg = _cupsGlobals(); /* Global data */ 940 941 942 /* 943 * Range check input... 944 */ 945 946 if (width <= 0 || length <= 0) 947 return (NULL); 948 949 /* 950 * Look for a standard size... 951 */ 952 953 for (i = (int)(sizeof(cups_pwg_media) / sizeof(cups_pwg_media[0])), 954 media = (pwg_media_t *)cups_pwg_media; 955 i > 0; 956 i --, media ++) 957 { 958 959 dw = abs(media->width - width); 960 dl = abs(media->length - length); 961 962 if (!dw && !dl) 963 return (media); 964 else if (dw <= epsilon && dl <= epsilon) 965 { 966 if (dw <= best_dw && dl <= best_dl) 967 { 968 best_media = media; 969 best_dw = dw; 970 best_dl = dl; 971 } 972 } 973 } 974 975 if (best_media) 976 return (best_media); 977 978 /* 979 * Not a standard size; convert it to a PWG custom name of the form: 980 * 981 * custom_WIDTHxHEIGHTuu_WIDTHxHEIGHTuu 982 */ 983 984 pwgFormatSizeName(cg->pwg_name, sizeof(cg->pwg_name), "custom", NULL, width, 985 length, NULL); 986 987 cg->pwg_media.pwg = cg->pwg_name; 988 cg->pwg_media.width = width; 989 cg->pwg_media.length = length; 990 991 return (&(cg->pwg_media)); 992} 993 994/* For OS X 10.8 and earlier */ 995pwg_media_t *_pwgMediaForSize(int width, int length) 996{ return (pwgMediaForSize(width, length)); } 997 998 999/* 1000 * '_pwgMediaTable()' - Return the internal media size table. 1001 */ 1002 1003const pwg_media_t * /* O - Pointer to first entry */ 1004_pwgMediaTable(size_t *num_media) /* O - Number of entries */ 1005{ 1006 *num_media = sizeof(cups_pwg_media) / sizeof(cups_pwg_media[0]); 1007 1008 return (cups_pwg_media); 1009} 1010 1011 1012/* 1013 * 'pwg_compare_legacy()' - Compare two sizes using the legacy names. 1014 */ 1015 1016static int /* O - Result of comparison */ 1017pwg_compare_legacy(pwg_media_t *a, /* I - First size */ 1018 pwg_media_t *b) /* I - Second size */ 1019{ 1020 return (strcmp(a->legacy, b->legacy)); 1021} 1022 1023 1024/* 1025 * 'pwg_compare_ppd()' - Compare two sizes using the PPD names. 1026 */ 1027 1028static int /* O - Result of comparison */ 1029pwg_compare_ppd(pwg_media_t *a, /* I - First size */ 1030 pwg_media_t *b) /* I - Second size */ 1031{ 1032 return (strcmp(a->ppd, b->ppd)); 1033} 1034 1035 1036/* 1037 * 'pwg_compare_pwg()' - Compare two sizes using the PWG names. 1038 */ 1039 1040static int /* O - Result of comparison */ 1041pwg_compare_pwg(pwg_media_t *a, /* I - First size */ 1042 pwg_media_t *b) /* I - Second size */ 1043{ 1044 return (strcmp(a->pwg, b->pwg)); 1045} 1046 1047 1048/* 1049 * 'pwg_format_inches()' - Convert and format PWG units as inches. 1050 */ 1051 1052static char * /* O - String */ 1053pwg_format_inches(char *buf, /* I - Buffer */ 1054 size_t bufsize, /* I - Size of buffer */ 1055 int val) /* I - Value in hundredths of millimeters */ 1056{ 1057 int thousandths, /* Thousandths of inches */ 1058 integer, /* Integer portion */ 1059 fraction; /* Fractional portion */ 1060 1061 1062 /* 1063 * Convert hundredths of millimeters to thousandths of inches and round to 1064 * the nearest thousandth. 1065 */ 1066 1067 thousandths = (val * 1000 + 1270) / 2540; 1068 integer = thousandths / 1000; 1069 fraction = thousandths % 1000; 1070 1071 /* 1072 * Format as a pair of integers (avoids locale stuff), avoiding trailing 1073 * zeros... 1074 */ 1075 1076 if (fraction == 0) 1077 snprintf(buf, bufsize, "%d", integer); 1078 else if (fraction % 10) 1079 snprintf(buf, bufsize, "%d.%03d", integer, fraction); 1080 else if (fraction % 100) 1081 snprintf(buf, bufsize, "%d.%02d", integer, fraction / 10); 1082 else 1083 snprintf(buf, bufsize, "%d.%01d", integer, fraction / 100); 1084 1085 return (buf); 1086} 1087 1088 1089/* 1090 * 'pwg_format_millimeters()' - Convert and format PWG units as millimeters. 1091 */ 1092 1093static char * /* O - String */ 1094pwg_format_millimeters(char *buf, /* I - Buffer */ 1095 size_t bufsize, /* I - Size of buffer */ 1096 int val) /* I - Value in hundredths of millimeters */ 1097{ 1098 int integer, /* Integer portion */ 1099 fraction; /* Fractional portion */ 1100 1101 1102 /* 1103 * Convert hundredths of millimeters to integer and fractional portions. 1104 */ 1105 1106 integer = val / 100; 1107 fraction = val % 100; 1108 1109 /* 1110 * Format as a pair of integers (avoids locale stuff), avoiding trailing 1111 * zeros... 1112 */ 1113 1114 if (fraction == 0) 1115 snprintf(buf, bufsize, "%d", integer); 1116 else if (fraction % 10) 1117 snprintf(buf, bufsize, "%d.%02d", integer, fraction); 1118 else 1119 snprintf(buf, bufsize, "%d.%01d", integer, fraction / 10); 1120 1121 return (buf); 1122} 1123 1124 1125/* 1126 * 'pwg_scan_measurement()' - Scan a measurement in inches or millimeters. 1127 * 1128 * The "factor" argument specifies the scale factor for the units to convert to 1129 * hundredths of millimeters. The returned value is NOT rounded but is an 1130 * exact conversion of the fraction value (no floating point is used). 1131 */ 1132 1133static int /* O - Hundredths of millimeters */ 1134pwg_scan_measurement( 1135 const char *buf, /* I - Number string */ 1136 char **bufptr, /* O - First byte after the number */ 1137 int numer, /* I - Numerator from units */ 1138 int denom) /* I - Denominator from units */ 1139{ 1140 int value = 0, /* Measurement value */ 1141 fractional = 0, /* Fractional value */ 1142 divisor = 1, /* Fractional divisor */ 1143 digits = 10 * numer * denom; /* Maximum fractional value to read */ 1144 1145 1146 /* 1147 * Scan integer portion... 1148 */ 1149 1150 while (*buf >= '0' && *buf <= '9') 1151 value = value * 10 + (*buf++) - '0'; 1152 1153 if (*buf == '.') 1154 { 1155 /* 1156 * Scan fractional portion... 1157 */ 1158 1159 buf ++; 1160 1161 while (divisor < digits && *buf >= '0' && *buf <= '9') 1162 { 1163 fractional = fractional * 10 + (*buf++) - '0'; 1164 divisor *= 10; 1165 } 1166 1167 /* 1168 * Skip trailing digits that won't contribute... 1169 */ 1170 1171 while (*buf >= '0' && *buf <= '9') 1172 buf ++; 1173 } 1174 1175 if (bufptr) 1176 *bufptr = (char *)buf; 1177 1178 return (value * numer / denom + fractional * numer / denom / divisor); 1179} 1180 1181 1182/* 1183 * End of "$Id: pwg-media.c 11934 2014-06-17 18:58:29Z msweet $". 1184 */ 1185