| /* |
| * PWG media name API implementation for CUPS. |
| * |
| * Copyright 2009-2017 by Apple Inc. |
| * |
| * These coded instructions, statements, and computer programs are the |
| * property of Apple Inc. and are protected by Federal copyright |
| * law. Distribution and use rights are outlined in the file "LICENSE.txt" |
| * which should have been included with this file. If this file is |
| * missing or damaged, see the license at "http://www.cups.org/". |
| * |
| * This file is subject to the Apple OS-Developed Software exception. |
| */ |
| |
| /* |
| * Include necessary headers... |
| */ |
| |
| #include "cups-private.h" |
| #include <math.h> |
| |
| |
| /* |
| * Local macros... |
| */ |
| |
| #define _PWG_MEDIA_IN(p,l,a,x,y) {p, l, a, (int)(x * 2540), (int)(y * 2540)} |
| #define _PWG_MEDIA_MM(p,l,a,x,y) {p, l, a, (int)(x * 100), (int)(y * 100)} |
| |
| |
| /* |
| * Local functions... |
| */ |
| |
| static int pwg_compare_legacy(pwg_media_t *a, pwg_media_t *b); |
| static int pwg_compare_pwg(pwg_media_t *a, pwg_media_t *b); |
| static int pwg_compare_ppd(pwg_media_t *a, pwg_media_t *b); |
| static char *pwg_format_inches(char *buf, size_t bufsize, int val); |
| static char *pwg_format_millimeters(char *buf, size_t bufsize, int val); |
| static int pwg_scan_measurement(const char *buf, char **bufptr, int numer, int denom); |
| |
| |
| /* |
| * Local globals... |
| */ |
| |
| static pwg_media_t const cups_pwg_media[] = |
| { /* Media size lookup table */ |
| /* North American Standard Sheet Media Sizes */ |
| _PWG_MEDIA_IN("na_index-3x5_3x5in", NULL, "3x5", 3, 5), |
| _PWG_MEDIA_IN("na_personal_3.625x6.5in", NULL, "EnvPersonal", 3.625, 6.5), |
| _PWG_MEDIA_IN("na_monarch_3.875x7.5in", "monarch-envelope", "EnvMonarch", 3.875, 7.5), |
| _PWG_MEDIA_IN("na_number-9_3.875x8.875in", "na-number-9-envelope", "Env9", 3.875, 8.875), |
| _PWG_MEDIA_IN("na_index-4x6_4x6in", NULL, "4x6", 4, 6), |
| _PWG_MEDIA_IN("na_number-10_4.125x9.5in", "na-number-10-envelope", "Env10", 4.125, 9.5), |
| _PWG_MEDIA_IN("na_a2_4.375x5.75in", NULL, "EnvA2", 4.375, 5.75), |
| _PWG_MEDIA_IN("na_number-11_4.5x10.375in", NULL, "Env11", 4.5, 10.375), |
| _PWG_MEDIA_IN("na_number-12_4.75x11in", NULL, "Env12", 4.75, 11), |
| _PWG_MEDIA_IN("na_5x7_5x7in", NULL, "5x7", 5, 7), |
| _PWG_MEDIA_IN("na_index-5x8_5x8in", NULL, "5x8", 5, 8), |
| _PWG_MEDIA_IN("na_number-14_5x11.5in", NULL, "Env14", 5, 11.5), |
| _PWG_MEDIA_IN("na_invoice_5.5x8.5in", "invoice", "Statement", 5.5, 8.5), |
| _PWG_MEDIA_IN("na_index-4x6-ext_6x8in", NULL, "6x8", 6, 8), |
| _PWG_MEDIA_IN("na_6x9_6x9in", "na-6x9-envelope", "6x9", 6, 9), |
| _PWG_MEDIA_IN("na_c5_6.5x9.5in", NULL, "6.5x9.5", 6.5, 9.5), |
| _PWG_MEDIA_IN("na_7x9_7x9in", "na-7x9-envelope", "7x9", 7, 9), |
| _PWG_MEDIA_IN("na_executive_7.25x10.5in", "executive", "Executive", 7.25, 10.5), |
| _PWG_MEDIA_IN("na_govt-letter_8x10in", "na-8x10", "8x10", 8, 10), |
| _PWG_MEDIA_IN("na_govt-legal_8x13in", NULL, "8x13", 8, 13), |
| _PWG_MEDIA_IN("na_quarto_8.5x10.83in", "quarto", "Quarto", 8.5, 10.83), |
| _PWG_MEDIA_IN("na_letter_8.5x11in", "na-letter", "Letter", 8.5, 11), |
| _PWG_MEDIA_IN("na_fanfold-eur_8.5x12in", NULL, "FanFoldGerman", 8.5, 12), |
| _PWG_MEDIA_IN("na_letter-plus_8.5x12.69in", NULL, "LetterPlus", 8.5, 12.69), |
| _PWG_MEDIA_IN("na_foolscap_8.5x13in", NULL, "FanFoldGermanLegal", 8.5, 13), |
| _PWG_MEDIA_IN("na_oficio_8.5x13.4in", NULL, "Oficio", 8.5, 13.4), |
| _PWG_MEDIA_IN("na_legal_8.5x14in", "na-legal", "Legal", 8.5, 14), |
| _PWG_MEDIA_IN("na_super-a_8.94x14in", NULL, "SuperA", 8.94, 14), |
| _PWG_MEDIA_IN("na_9x11_9x11in", "na-9x11-envelope", "9x11", 9, 11), |
| _PWG_MEDIA_IN("na_arch-a_9x12in", "arch-a", "ARCHA", 9, 12), |
| _PWG_MEDIA_IN("na_letter-extra_9.5x12in", NULL, "LetterExtra", 9.5, 12), |
| _PWG_MEDIA_IN("na_legal-extra_9.5x15in", NULL, "LegalExtra", 9.5, 15), |
| _PWG_MEDIA_IN("na_10x11_10x11in", NULL, "10x11", 10, 11), |
| _PWG_MEDIA_IN("na_10x13_10x13in", "na-10x13-envelope", "10x13", 10, 13), |
| _PWG_MEDIA_IN("na_10x14_10x14in", "na-10x14-envelope", "10x14", 10, 14), |
| _PWG_MEDIA_IN("na_10x15_10x15in", "na-10x15-envelope", "10x15", 10, 15), |
| _PWG_MEDIA_IN("na_11x12_11x12in", NULL, "11x12", 11, 12), |
| _PWG_MEDIA_IN("na_edp_11x14in", NULL, "11x14", 11, 14), |
| _PWG_MEDIA_IN("na_fanfold-us_11x14.875in", NULL, "11x14.875", 11, 14.875), |
| _PWG_MEDIA_IN("na_11x15_11x15in", NULL, "11x15", 11, 15), |
| _PWG_MEDIA_IN("na_ledger_11x17in", "tabloid", "Tabloid", 11, 17), |
| _PWG_MEDIA_IN("na_eur-edp_12x14in", NULL, NULL, 12, 14), |
| _PWG_MEDIA_IN("na_arch-b_12x18in", "arch-b", "ARCHB", 12, 18), |
| _PWG_MEDIA_IN("na_12x19_12x19in", NULL, "12x19", 12, 19), |
| _PWG_MEDIA_IN("na_b-plus_12x19.17in", NULL, "SuperB", 12, 19.17), |
| _PWG_MEDIA_IN("na_super-b_13x19in", "super-b", "13x19", 13, 19), |
| _PWG_MEDIA_IN("na_c_17x22in", "c", "AnsiC", 17, 22), |
| _PWG_MEDIA_IN("na_arch-c_18x24in", "arch-c", "ARCHC", 18, 24), |
| _PWG_MEDIA_IN("na_d_22x34in", "d", "AnsiD", 22, 34), |
| _PWG_MEDIA_IN("na_arch-d_24x36in", "arch-d", "ARCHD", 24, 36), |
| _PWG_MEDIA_IN("asme_f_28x40in", "f", "28x40", 28, 40), |
| _PWG_MEDIA_IN("na_wide-format_30x42in", NULL, "30x42", 30, 42), |
| _PWG_MEDIA_IN("na_e_34x44in", "e", "AnsiE", 34, 44), |
| _PWG_MEDIA_IN("na_arch-e_36x48in", "arch-e", "ARCHE", 36, 48), |
| _PWG_MEDIA_IN("na_f_44x68in", NULL, "AnsiF", 44, 68), |
| |
| /* ISO Standard Sheet Media Sizes */ |
| _PWG_MEDIA_MM("iso_a10_26x37mm", "iso-a10", "A10", 26, 37), |
| _PWG_MEDIA_MM("iso_a9_37x52mm", "iso-a9", "A9", 37, 52), |
| _PWG_MEDIA_MM("iso_a8_52x74mm", "iso-a8", "A8", 52, 74), |
| _PWG_MEDIA_MM("iso_a7_74x105mm", "iso-a7", "A7", 74, 105), |
| _PWG_MEDIA_MM("iso_a6_105x148mm", "iso-a6", "A6", 105, 148), |
| _PWG_MEDIA_MM("iso_a5_148x210mm", "iso-a5", "A5", 148, 210), |
| _PWG_MEDIA_MM("iso_a5-extra_174x235mm", NULL, "A5Extra", 174, 235), |
| _PWG_MEDIA_MM("iso_a4_210x297mm", "iso-a4", "A4", 210, 297), |
| _PWG_MEDIA_MM("iso_a4-tab_225x297mm", NULL, "A4Tab", 225, 297), |
| _PWG_MEDIA_MM("iso_a4-extra_235.5x322.3mm", NULL, "A4Extra", 235.5, 322.3), |
| _PWG_MEDIA_MM("iso_a3_297x420mm", "iso-a3", "A3", 297, 420), |
| _PWG_MEDIA_MM("iso_a4x3_297x630mm", "iso-a4x3", "A4x3", 297, 630), |
| _PWG_MEDIA_MM("iso_a4x4_297x841mm", "iso-a4x4", "A4x4", 297, 841), |
| _PWG_MEDIA_MM("iso_a4x5_297x1051mm", "iso-a4x5", "A4x5", 297, 1051), |
| _PWG_MEDIA_MM("iso_a4x6_297x1261mm", "iso-a4x6", "A4x6", 297, 1261), |
| _PWG_MEDIA_MM("iso_a4x7_297x1471mm", "iso-a4x7", "A4x7", 297, 1471), |
| _PWG_MEDIA_MM("iso_a4x8_297x1682mm", "iso-a4x8", "A4x8", 297, 1682), |
| _PWG_MEDIA_MM("iso_a4x9_297x1892mm", "iso-a4x9", "A4x9", 297, 1892), |
| _PWG_MEDIA_MM("iso_a3-extra_322x445mm", "iso-a3-extra", "A3Extra", 322, 445), |
| _PWG_MEDIA_MM("iso_a2_420x594mm", "iso-a2", "A2", 420, 594), |
| _PWG_MEDIA_MM("iso_a3x3_420x891mm", "iso-a3x3", "A3x3", 420, 891), |
| _PWG_MEDIA_MM("iso_a3x4_420x1189mm", "iso-a3x4", "A3x4", 420, 1189), |
| _PWG_MEDIA_MM("iso_a3x5_420x1486mm", "iso-a3x5", "A3x6", 420, 1486), |
| _PWG_MEDIA_MM("iso_a3x6_420x1783mm", "iso-a3x6", "A3x6", 420, 1783), |
| _PWG_MEDIA_MM("iso_a3x7_420x2080mm", "iso-a3x7", "A3x7", 420, 2080), |
| _PWG_MEDIA_MM("iso_a1_594x841mm", "iso-a1", "A1", 594, 841), |
| _PWG_MEDIA_MM("iso_a2x3_594x1261mm", "iso-a2x3", "A2x3", 594, 1261), |
| _PWG_MEDIA_MM("iso_a2x4_594x1682mm", "iso-a2x4", "A2x4", 594, 1682), |
| _PWG_MEDIA_MM("iso_a2x5_594x2102mm", "iso-a2x5", "A2x5", 594, 2102), |
| _PWG_MEDIA_MM("iso_a0_841x1189mm", "iso-a0", "A0", 841, 1189), |
| _PWG_MEDIA_MM("iso_a1x3_841x1783mm", "iso-a1x3", "A1x3", 841, 1783), |
| _PWG_MEDIA_MM("iso_a1x4_841x2378mm", "iso-a1x4", "A1x4", 841, 2378), |
| _PWG_MEDIA_MM("iso_2a0_1189x1682mm", NULL, "1189x1682mm", 1189, 1682), |
| _PWG_MEDIA_MM("iso_a0x3_1189x2523mm", NULL, "A0x3", 1189, 2523), |
| _PWG_MEDIA_MM("iso_b10_31x44mm", "iso-b10", "ISOB10", 31, 44), |
| _PWG_MEDIA_MM("iso_b9_44x62mm", "iso-b9", "ISOB9", 44, 62), |
| _PWG_MEDIA_MM("iso_b8_62x88mm", "iso-b8", "ISOB8", 62, 88), |
| _PWG_MEDIA_MM("iso_b7_88x125mm", "iso-b7", "ISOB7", 88, 125), |
| _PWG_MEDIA_MM("iso_b6_125x176mm", "iso-b6", "ISOB6", 125, 176), |
| _PWG_MEDIA_MM("iso_b6c4_125x324mm", NULL, "125x324mm", 125, 324), |
| _PWG_MEDIA_MM("iso_b5_176x250mm", "iso-b5", "ISOB5", 176, 250), |
| _PWG_MEDIA_MM("iso_b5-extra_201x276mm", NULL, "ISOB5Extra", 201, 276), |
| _PWG_MEDIA_MM("iso_b4_250x353mm", "iso-b4", "ISOB4", 250, 353), |
| _PWG_MEDIA_MM("iso_b3_353x500mm", "iso-b3", "ISOB3", 353, 500), |
| _PWG_MEDIA_MM("iso_b2_500x707mm", "iso-b2", "ISOB2", 500, 707), |
| _PWG_MEDIA_MM("iso_b1_707x1000mm", "iso-b1", "ISOB1", 707, 1000), |
| _PWG_MEDIA_MM("iso_b0_1000x1414mm", "iso-b0", "ISOB0", 1000, 1414), |
| _PWG_MEDIA_MM("iso_c10_28x40mm", "iso-c10", "EnvC10", 28, 40), |
| _PWG_MEDIA_MM("iso_c9_40x57mm", "iso-c9", "EnvC9", 40, 57), |
| _PWG_MEDIA_MM("iso_c8_57x81mm", "iso-c8", "EnvC8", 57, 81), |
| _PWG_MEDIA_MM("iso_c7_81x114mm", "iso-c7", "EnvC7", 81, 114), |
| _PWG_MEDIA_MM("iso_c7c6_81x162mm", NULL, "EnvC76", 81, 162), |
| _PWG_MEDIA_MM("iso_c6_114x162mm", "iso-c6", "EnvC6", 114, 162), |
| _PWG_MEDIA_MM("iso_c6c5_114x229mm", NULL, "EnvC65", 114, 229), |
| _PWG_MEDIA_MM("iso_c5_162x229mm", "iso-c5", "EnvC5", 162, 229), |
| _PWG_MEDIA_MM("iso_c4_229x324mm", "iso-c4", "EnvC4", 229, 324), |
| _PWG_MEDIA_MM("iso_c3_324x458mm", "iso-c3", "EnvC3", 324, 458), |
| _PWG_MEDIA_MM("iso_c2_458x648mm", "iso-c2", "EnvC2", 458, 648), |
| _PWG_MEDIA_MM("iso_c1_648x917mm", "iso-c1", "EnvC1", 648, 917), |
| _PWG_MEDIA_MM("iso_c0_917x1297mm", "iso-c0", "EnvC0", 917, 1297), |
| _PWG_MEDIA_MM("iso_dl_110x220mm", "iso-designated", "EnvDL", 110, 220), |
| _PWG_MEDIA_MM("iso_ra4_215x305mm", "iso-ra4", "RA4", 215, 305), |
| _PWG_MEDIA_MM("iso_sra4_225x320mm", "iso-sra4", "SRA4", 225, 320), |
| _PWG_MEDIA_MM("iso_ra3_305x430mm", "iso-ra3", "RA3", 305, 430), |
| _PWG_MEDIA_MM("iso_sra3_320x450mm", "iso-sra3", "SRA3", 320, 450), |
| _PWG_MEDIA_MM("iso_ra2_430x610mm", "iso-ra2", "RA2", 430, 610), |
| _PWG_MEDIA_MM("iso_sra2_450x640mm", "iso-sra2", "SRA2", 450, 640), |
| _PWG_MEDIA_MM("iso_ra1_610x860mm", "iso-ra1", "RA1", 610, 860), |
| _PWG_MEDIA_MM("iso_sra1_640x900mm", "iso-sra1", "SRA1", 640, 900), |
| _PWG_MEDIA_MM("iso_ra0_860x1220mm", "iso-ra0", "RA0", 860, 1220), |
| _PWG_MEDIA_MM("iso_sra0_900x1280mm", "iso-sra0", "SRA0", 900, 1280), |
| |
| /* Japanese Standard Sheet Media Sizes */ |
| _PWG_MEDIA_MM("jis_b10_32x45mm", "jis-b10", "B10", 32, 45), |
| _PWG_MEDIA_MM("jis_b9_45x64mm", "jis-b9", "B9", 45, 64), |
| _PWG_MEDIA_MM("jis_b8_64x91mm", "jis-b8", "B8", 64, 91), |
| _PWG_MEDIA_MM("jis_b7_91x128mm", "jis-b7", "B7", 91, 128), |
| _PWG_MEDIA_MM("jis_b6_128x182mm", "jis-b6", "B6", 128, 182), |
| _PWG_MEDIA_MM("jis_b5_182x257mm", "jis-b5", "B5", 182, 257), |
| _PWG_MEDIA_MM("jis_b4_257x364mm", "jis-b4", "B4", 257, 364), |
| _PWG_MEDIA_MM("jis_b3_364x515mm", "jis-b3", "B3", 364, 515), |
| _PWG_MEDIA_MM("jis_b2_515x728mm", "jis-b2", "B2", 515, 728), |
| _PWG_MEDIA_MM("jis_b1_728x1030mm", "jis-b1", "B1", 728, 1030), |
| _PWG_MEDIA_MM("jis_b0_1030x1456mm", "jis-b0", "B0", 1030, 1456), |
| _PWG_MEDIA_MM("jis_exec_216x330mm", NULL, "216x330mm", 216, 330), |
| _PWG_MEDIA_MM("jpn_kaku2_240x332mm", NULL, "EnvKaku2", 240, 332), |
| _PWG_MEDIA_MM("jpn_kaku3_216x277mm", NULL, "EnvKaku3", 216, 277), |
| _PWG_MEDIA_MM("jpn_kaku4_197x267mm", NULL, "EnvKaku4", 197, 267), |
| _PWG_MEDIA_MM("jpn_kaku5_190x240mm", NULL, "EnvKaku5", 190, 240), |
| _PWG_MEDIA_MM("jpn_kaku7_142x205mm", NULL, "EnvKaku7", 142, 205), |
| _PWG_MEDIA_MM("jpn_kaku8_119x197mm", NULL, "EnvKaku8", 119, 197), |
| _PWG_MEDIA_MM("jpn_chou4_90x205mm", NULL, "EnvChou4", 90, 205), |
| _PWG_MEDIA_MM("jpn_hagaki_100x148mm", NULL, "Postcard", 100, 148), |
| _PWG_MEDIA_MM("jpn_you4_105x235mm", NULL, "EnvYou4", 105, 235), |
| _PWG_MEDIA_MM("jpn_you6_98x190mm", NULL, "EnvYou6", 98, 190), |
| _PWG_MEDIA_MM("jpn_chou2_111.1x146mm", NULL, NULL, 111.1, 146), |
| _PWG_MEDIA_MM("jpn_chou3_120x235mm", NULL, "EnvChou3", 120, 235), |
| _PWG_MEDIA_MM("jpn_chou40_90x225mm", NULL, "EnvChou40", 90, 225), |
| _PWG_MEDIA_MM("jpn_oufuku_148x200mm", NULL, "DoublePostcardRotated", 148, 200), |
| _PWG_MEDIA_MM("jpn_kahu_240x322.1mm", NULL, "240x322mm", 240, 322.1), |
| |
| /* Chinese Standard Sheet Media Sizes */ |
| _PWG_MEDIA_MM("prc_32k_97x151mm", NULL, "PRC32K", 97, 151), |
| _PWG_MEDIA_MM("prc_1_102x165mm", NULL, "EnvPRC1", 102, 165), |
| _PWG_MEDIA_MM("prc_2_102x176mm", NULL, "EnvPRC2", 102, 176), |
| _PWG_MEDIA_MM("prc_4_110x208mm", NULL, "EnvPRC4", 110, 208), |
| _PWG_MEDIA_MM("prc_8_120x309mm", NULL, "EnvPRC8", 120, 309), |
| _PWG_MEDIA_MM("prc_6_120x320mm", NULL, NULL, 120, 320), |
| _PWG_MEDIA_MM("prc_16k_146x215mm", NULL, "PRC16K", 146, 215), |
| _PWG_MEDIA_MM("prc_7_160x230mm", NULL, "EnvPRC7", 160, 230), |
| _PWG_MEDIA_MM("om_juuro-ku-kai_198x275mm", NULL, "198x275mm", 198, 275), |
| _PWG_MEDIA_MM("om_pa-kai_267x389mm", NULL, "267x389mm", 267, 389), |
| _PWG_MEDIA_MM("om_dai-pa-kai_275x395mm", NULL, "275x395mm", 275, 395), |
| |
| /* Chinese Standard Sheet Media Inch Sizes */ |
| _PWG_MEDIA_IN("roc_16k_7.75x10.75in", NULL, "roc16k", 7.75, 10.75), |
| _PWG_MEDIA_IN("roc_8k_10.75x15.5in", NULL, "roc8k", 10.75, 15.5), |
| |
| /* Other English Standard Sheet Media Sizes */ |
| _PWG_MEDIA_IN("oe_photo-l_3.5x5in", NULL, "3.5x5", 3.5, 5), |
| |
| /* Other Metric Standard Sheet Media Sizes */ |
| _PWG_MEDIA_MM("om_small-photo_100x150mm", NULL, "100x150mm", 100, 150), |
| _PWG_MEDIA_MM("om_italian_110x230mm", NULL, "EnvItalian", 110, 230), |
| _PWG_MEDIA_MM("om_large-photo_200x300", NULL, "200x300mm", 200, 300), |
| _PWG_MEDIA_MM("om_folio_210x330mm", "folio", "Folio", 210, 330), |
| _PWG_MEDIA_MM("om_folio-sp_215x315mm", NULL, "FolioSP", 215, 315), |
| _PWG_MEDIA_MM("om_invite_220x220mm", NULL, "EnvInvite", 220, 220), |
| _PWG_MEDIA_MM("om_small-photo_100x200mm", NULL, "100x200mm", 100, 200), |
| |
| /* Disc Sizes */ |
| _PWG_MEDIA_MM("disc_standard_40x118mm", NULL, "Disc", 118, 118) |
| }; |
| |
| |
| /* |
| * 'pwgFormatSizeName()' - Generate a PWG self-describing media size name. |
| * |
| * This function generates a PWG self-describing media size name of the form |
| * "prefix_name_WIDTHxLENGTHunits". The prefix is typically "custom" or "roll" |
| * for user-supplied sizes but can also be "disc", "iso", "jis", "jpn", "na", |
| * "oe", "om", "prc", or "roc". A value of @code NULL@ automatically chooses |
| * "oe" or "om" depending on the units. |
| * |
| * The size name may only contain lowercase letters, numbers, "-", and ".". If |
| * @code NULL@ is passed, the size name will contain the formatted dimensions. |
| * |
| * The width and length are specified in hundredths of millimeters, equivalent |
| * to 1/100000th of a meter or 1/2540th of an inch. The width, length, and |
| * units used for the generated size name are calculated automatically if the |
| * units string is @code NULL@, otherwise inches ("in") or millimeters ("mm") |
| * are used. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| pwgFormatSizeName(char *keyword, /* I - Keyword buffer */ |
| size_t keysize, /* I - Size of keyword buffer */ |
| const char *prefix, /* I - Prefix for PWG size or @code NULL@ for automatic */ |
| const char *name, /* I - Size name or @code NULL@ */ |
| int width, /* I - Width of page in 2540ths */ |
| int length, /* I - Length of page in 2540ths */ |
| const char *units) /* I - Units - "in", "mm", or @code NULL@ for automatic */ |
| { |
| char usize[12 + 1 + 12 + 3], /* Unit size: NNNNNNNNNNNNxNNNNNNNNNNNNuu */ |
| *uptr; /* Pointer into unit size */ |
| char *(*format)(char *, size_t, int); |
| /* Formatting function */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| DEBUG_printf(("pwgFormatSize(keyword=%p, keysize=" CUPS_LLFMT ", prefix=\"%s\", name=\"%s\", width=%d, length=%d, units=\"%s\")", (void *)keyword, CUPS_LLCAST keysize, prefix, name, width, length, units)); |
| |
| if (keyword) |
| *keyword = '\0'; |
| |
| if (!keyword || keysize < 32 || width < 0 || length < 0 || |
| (units && strcmp(units, "in") && strcmp(units, "mm"))) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Invalid media name arguments."), |
| 1); |
| return (0); |
| } |
| |
| if (name) |
| { |
| /* |
| * Validate name... |
| */ |
| |
| const char *nameptr; /* Pointer into name */ |
| |
| for (nameptr = name; *nameptr; nameptr ++) |
| if (!(*nameptr >= 'a' && *nameptr <= 'z') && |
| !(*nameptr >= '0' && *nameptr <= '9') && |
| *nameptr != '.' && *nameptr != '-') |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("Invalid media name arguments."), 1); |
| return (0); |
| } |
| } |
| else |
| name = usize; |
| |
| if (prefix && !strcmp(prefix, "disc")) |
| width = 4000; /* Disc sizes use hardcoded 40mm inner diameter */ |
| |
| if (!units) |
| { |
| if ((width % 635) == 0 && (length % 635) == 0) |
| { |
| /* |
| * Use inches since the size is a multiple of 1/4 inch. |
| */ |
| |
| units = "in"; |
| } |
| else |
| { |
| /* |
| * Use millimeters since the size is not a multiple of 1/4 inch. |
| */ |
| |
| units = "mm"; |
| } |
| } |
| |
| if (!strcmp(units, "in")) |
| { |
| format = pwg_format_inches; |
| |
| if (!prefix) |
| prefix = "oe"; |
| } |
| else |
| { |
| format = pwg_format_millimeters; |
| |
| if (!prefix) |
| prefix = "om"; |
| } |
| |
| /* |
| * Format the size string... |
| */ |
| |
| uptr = usize; |
| (*format)(uptr, sizeof(usize) - (size_t)(uptr - usize), width); |
| uptr += strlen(uptr); |
| *uptr++ = 'x'; |
| (*format)(uptr, sizeof(usize) - (size_t)(uptr - usize), length); |
| uptr += strlen(uptr); |
| |
| /* |
| * Safe because usize can hold up to 12 + 1 + 12 + 4 bytes. |
| */ |
| |
| memcpy(uptr, units, 3); |
| |
| /* |
| * Format the name... |
| */ |
| |
| snprintf(keyword, keysize, "%s_%s_%s", prefix, name, usize); |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'pwgInitSize()' - Initialize a pwg_size_t structure using IPP Job Template |
| * attributes. |
| * |
| * This function initializes a pwg_size_t structure from an IPP "media" or |
| * "media-col" attribute in the specified IPP message. 0 is returned if neither |
| * attribute is found in the message or the values are not valid. |
| * |
| * The "margins_set" variable is initialized to 1 if any "media-xxx-margin" |
| * member attribute was specified in the "media-col" Job Template attribute, |
| * otherwise it is initialized to 0. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| int /* O - 1 if size was initialized, 0 otherwise */ |
| pwgInitSize(pwg_size_t *size, /* I - Size to initialize */ |
| ipp_t *job, /* I - Job template attributes */ |
| int *margins_set) /* O - 1 if margins were set, 0 otherwise */ |
| { |
| ipp_attribute_t *media, /* media attribute */ |
| *media_bottom_margin, /* media-bottom-margin member attribute */ |
| *media_col, /* media-col attribute */ |
| *media_left_margin, /* media-left-margin member attribute */ |
| *media_right_margin, /* media-right-margin member attribute */ |
| *media_size, /* media-size member attribute */ |
| *media_top_margin, /* media-top-margin member attribute */ |
| *x_dimension, /* x-dimension member attribute */ |
| *y_dimension; /* y-dimension member attribute */ |
| pwg_media_t *pwg; /* PWG media value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!size || !job || !margins_set) |
| return (0); |
| |
| /* |
| * Look for media-col and then media... |
| */ |
| |
| memset(size, 0, sizeof(pwg_size_t)); |
| *margins_set = 0; |
| |
| if ((media_col = ippFindAttribute(job, "media-col", |
| IPP_TAG_BEGIN_COLLECTION)) != NULL) |
| { |
| /* |
| * Got media-col, look for media-size member attribute... |
| */ |
| |
| if ((media_size = ippFindAttribute(media_col->values[0].collection, |
| "media-size", |
| IPP_TAG_BEGIN_COLLECTION)) != NULL) |
| { |
| /* |
| * Got media-size, look for x-dimension and y-dimension member |
| * attributes... |
| */ |
| |
| x_dimension = ippFindAttribute(media_size->values[0].collection, |
| "x-dimension", IPP_TAG_INTEGER); |
| y_dimension = ippFindAttribute(media_size->values[0].collection, |
| "y-dimension", IPP_TAG_INTEGER); |
| |
| if (x_dimension && y_dimension) |
| { |
| size->width = x_dimension->values[0].integer; |
| size->length = y_dimension->values[0].integer; |
| } |
| else if (!x_dimension) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("Missing x-dimension in media-size."), 1); |
| return (0); |
| } |
| else if (!y_dimension) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("Missing y-dimension in media-size."), 1); |
| return (0); |
| } |
| } |
| else |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Missing media-size in media-col."), |
| 1); |
| return (0); |
| } |
| |
| /* media-*-margin */ |
| media_bottom_margin = ippFindAttribute(media_col->values[0].collection, |
| "media-bottom-margin", |
| IPP_TAG_INTEGER); |
| media_left_margin = ippFindAttribute(media_col->values[0].collection, |
| "media-left-margin", |
| IPP_TAG_INTEGER); |
| media_right_margin = ippFindAttribute(media_col->values[0].collection, |
| "media-right-margin", |
| IPP_TAG_INTEGER); |
| media_top_margin = ippFindAttribute(media_col->values[0].collection, |
| "media-top-margin", |
| IPP_TAG_INTEGER); |
| if (media_bottom_margin && media_left_margin && media_right_margin && |
| media_top_margin) |
| { |
| *margins_set = 1; |
| size->bottom = media_bottom_margin->values[0].integer; |
| size->left = media_left_margin->values[0].integer; |
| size->right = media_right_margin->values[0].integer; |
| size->top = media_top_margin->values[0].integer; |
| } |
| } |
| else |
| { |
| if ((media = ippFindAttribute(job, "media", IPP_TAG_NAME)) == NULL) |
| if ((media = ippFindAttribute(job, "media", IPP_TAG_KEYWORD)) == NULL) |
| if ((media = ippFindAttribute(job, "PageSize", IPP_TAG_NAME)) == NULL) |
| media = ippFindAttribute(job, "PageRegion", IPP_TAG_NAME); |
| |
| if (media && media->values[0].string.text) |
| { |
| const char *name = media->values[0].string.text; |
| /* Name string */ |
| |
| if ((pwg = pwgMediaForPWG(name)) == NULL) |
| { |
| /* |
| * Not a PWG name, try a legacy name... |
| */ |
| |
| if ((pwg = pwgMediaForLegacy(name)) == NULL) |
| { |
| /* |
| * Not a legacy name, try a PPD name... |
| */ |
| |
| const char *suffix; /* Suffix on media string */ |
| |
| pwg = pwgMediaForPPD(name); |
| if (pwg && |
| (suffix = name + strlen(name) - 10 /* .FullBleed */) > name && |
| !_cups_strcasecmp(suffix, ".FullBleed")) |
| { |
| /* |
| * Indicate that margins are set with the default values of 0. |
| */ |
| |
| *margins_set = 1; |
| } |
| } |
| } |
| |
| if (pwg) |
| { |
| size->width = pwg->width; |
| size->length = pwg->length; |
| } |
| else |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unsupported media value."), 1); |
| return (0); |
| } |
| } |
| else |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Missing media or media-col."), 1); |
| return (0); |
| } |
| } |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'pwgMediaForLegacy()' - Find a PWG media size by ISO/IPP legacy name. |
| * |
| * The "name" argument specifies the legacy ISO media size name, for example |
| * "iso-a4" or "na-letter". |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| pwg_media_t * /* O - Matching size or NULL */ |
| pwgMediaForLegacy(const char *legacy) /* I - Legacy size name */ |
| { |
| pwg_media_t key; /* Search key */ |
| _cups_globals_t *cg = _cupsGlobals(); /* Global data */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!legacy) |
| return (NULL); |
| |
| /* |
| * Build the lookup table for PWG names as needed... |
| */ |
| |
| if (!cg->leg_size_lut) |
| { |
| int i; /* Looping var */ |
| pwg_media_t *size; /* Current size */ |
| |
| cg->leg_size_lut = cupsArrayNew((cups_array_func_t)pwg_compare_legacy, |
| NULL); |
| |
| for (i = (int)(sizeof(cups_pwg_media) / sizeof(cups_pwg_media[0])), |
| size = (pwg_media_t *)cups_pwg_media; |
| i > 0; |
| i --, size ++) |
| if (size->legacy) |
| cupsArrayAdd(cg->leg_size_lut, size); |
| } |
| |
| /* |
| * Lookup the name... |
| */ |
| |
| key.legacy = legacy; |
| return ((pwg_media_t *)cupsArrayFind(cg->leg_size_lut, &key)); |
| } |
| |
| |
| /* |
| * 'pwgMediaForPPD()' - Find a PWG media size by Adobe PPD name. |
| * |
| * The "ppd" argument specifies an Adobe page size name as defined in Table B.1 |
| * of the Adobe PostScript Printer Description File Format Specification Version |
| * 4.3. |
| * |
| * If the name is non-standard, the returned PWG media size is stored in |
| * thread-local storage and is overwritten by each call to the function in the |
| * thread. Custom names can be of the form "Custom.WIDTHxLENGTH[units]" or |
| * "WIDTHxLENGTH[units]". |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| pwg_media_t * /* O - Matching size or NULL */ |
| pwgMediaForPPD(const char *ppd) /* I - PPD size name */ |
| { |
| pwg_media_t key, /* Search key */ |
| *size; /* Matching size */ |
| _cups_globals_t *cg = _cupsGlobals(); /* Global data */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ppd) |
| return (NULL); |
| |
| /* |
| * Build the lookup table for PWG names as needed... |
| */ |
| |
| if (!cg->ppd_size_lut) |
| { |
| int i; /* Looping var */ |
| |
| cg->ppd_size_lut = cupsArrayNew((cups_array_func_t)pwg_compare_ppd, NULL); |
| |
| for (i = (int)(sizeof(cups_pwg_media) / sizeof(cups_pwg_media[0])), |
| size = (pwg_media_t *)cups_pwg_media; |
| i > 0; |
| i --, size ++) |
| if (size->ppd) |
| cupsArrayAdd(cg->ppd_size_lut, size); |
| } |
| |
| /* |
| * Lookup the name... |
| */ |
| |
| key.ppd = ppd; |
| if ((size = (pwg_media_t *)cupsArrayFind(cg->ppd_size_lut, &key)) == NULL) |
| { |
| /* |
| * See if the name is of the form: |
| * |
| * [Custom.]WIDTHxLENGTH[.FullBleed] - Size in points/inches [borderless] |
| * [Custom.]WIDTHxLENGTHcm[.FullBleed] - Size in centimeters [borderless] |
| * [Custom.]WIDTHxLENGTHft[.FullBleed] - Size in feet [borderless] |
| * [Custom.]WIDTHxLENGTHin[.FullBleed] - Size in inches [borderless] |
| * [Custom.]WIDTHxLENGTHm[.FullBleed] - Size in meters [borderless] |
| * [Custom.]WIDTHxLENGTHmm[.FullBleed] - Size in millimeters [borderless] |
| * [Custom.]WIDTHxLENGTHpt[.FullBleed] - Size in points [borderless] |
| */ |
| |
| int w, l, /* Width and length of page */ |
| numer, /* Unit scaling factor */ |
| denom; /* ... */ |
| char *ptr; /* Pointer into name */ |
| const char *units; /* Pointer to units */ |
| int custom; /* Custom page size? */ |
| |
| |
| if (!_cups_strncasecmp(ppd, "Custom.", 7)) |
| { |
| custom = 1; |
| numer = 2540; |
| denom = 72; |
| ptr = (char *)ppd + 7; |
| } |
| else |
| { |
| custom = 0; |
| numer = 2540; |
| denom = 1; |
| ptr = (char *)ppd; |
| } |
| |
| /* |
| * Find any units in the size... |
| */ |
| |
| units = strchr(ptr, '.'); |
| while (units && isdigit(units[1] & 255)) |
| units = strchr(units + 1, '.'); |
| |
| if (units) |
| units -= 2; |
| else |
| units = ptr + strlen(ptr) - 2; |
| |
| if (units > ptr) |
| { |
| if (isdigit(*units & 255) || *units == '.') |
| units ++; |
| |
| if (!_cups_strncasecmp(units, "cm", 2)) |
| { |
| numer = 1000; |
| denom = 1; |
| } |
| else if (!_cups_strncasecmp(units, "ft", 2)) |
| { |
| numer = 2540 * 12; |
| denom = 1; |
| } |
| else if (!_cups_strncasecmp(units, "in", 2)) |
| { |
| numer = 2540; |
| denom = 1; |
| } |
| else if (!_cups_strncasecmp(units, "mm", 2)) |
| { |
| numer = 100; |
| denom = 1; |
| } |
| else if (*units == 'm' || *units == 'M') |
| { |
| numer = 100000; |
| denom = 1; |
| } |
| else if (!_cups_strncasecmp(units, "pt", 2)) |
| { |
| numer = 2540; |
| denom = 72; |
| } |
| } |
| |
| w = pwg_scan_measurement(ptr, &ptr, numer, denom); |
| |
| if (ptr && ptr > ppd && *ptr == 'x') |
| { |
| l = pwg_scan_measurement(ptr + 1, &ptr, numer, denom); |
| |
| if (ptr) |
| { |
| /* |
| * Not a standard size; convert it to a PWG custom name of the form: |
| * |
| * [oe|om]_WIDTHxHEIGHTuu_WIDTHxHEIGHTuu |
| */ |
| |
| char wstr[32], lstr[32]; /* Width and length as strings */ |
| |
| size = &(cg->pwg_media); |
| size->width = w; |
| size->length = l; |
| size->pwg = cg->pwg_name; |
| |
| pwgFormatSizeName(cg->pwg_name, sizeof(cg->pwg_name), |
| custom ? "custom" : NULL, custom ? ppd + 7 : NULL, |
| size->width, size->length, NULL); |
| |
| if ((w % 635) == 0 && (l % 635) == 0) |
| snprintf(cg->ppd_name, sizeof(cg->ppd_name), "%sx%s", pwg_format_inches(wstr, sizeof(wstr), w), pwg_format_inches(lstr, sizeof(lstr), l)); |
| else |
| snprintf(cg->ppd_name, sizeof(cg->ppd_name), "%sx%smm", pwg_format_millimeters(wstr, sizeof(wstr), w), pwg_format_millimeters(lstr, sizeof(lstr), l)); |
| size->ppd = cg->ppd_name; |
| } |
| } |
| } |
| |
| return (size); |
| } |
| |
| |
| /* |
| * 'pwgMediaForPWG()' - Find a PWG media size by 5101.1 self-describing name. |
| * |
| * The "pwg" argument specifies a self-describing media size name of the form |
| * "prefix_name_WIDTHxLENGTHunits" as defined in PWG 5101.1. |
| * |
| * If the name is non-standard, the returned PWG media size is stored in |
| * thread-local storage and is overwritten by each call to the function in the |
| * thread. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| pwg_media_t * /* O - Matching size or NULL */ |
| pwgMediaForPWG(const char *pwg) /* I - PWG size name */ |
| { |
| char *ptr; /* Pointer into name */ |
| pwg_media_t key, /* Search key */ |
| *size; /* Matching size */ |
| _cups_globals_t *cg = _cupsGlobals(); /* Global data */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!pwg) |
| return (NULL); |
| |
| /* |
| * Build the lookup table for PWG names as needed... |
| */ |
| |
| if (!cg->pwg_size_lut) |
| { |
| int i; /* Looping var */ |
| |
| cg->pwg_size_lut = cupsArrayNew((cups_array_func_t)pwg_compare_pwg, NULL); |
| |
| for (i = (int)(sizeof(cups_pwg_media) / sizeof(cups_pwg_media[0])), |
| size = (pwg_media_t *)cups_pwg_media; |
| i > 0; |
| i --, size ++) |
| cupsArrayAdd(cg->pwg_size_lut, size); |
| } |
| |
| /* |
| * Lookup the name... |
| */ |
| |
| key.pwg = pwg; |
| if ((size = (pwg_media_t *)cupsArrayFind(cg->pwg_size_lut, &key)) == NULL && |
| (ptr = (char *)strchr(pwg, '_')) != NULL && |
| (ptr = (char *)strchr(ptr + 1, '_')) != NULL) |
| { |
| /* |
| * Try decoding the self-describing name of the form: |
| * |
| * class_name_WWWxHHHin |
| * class_name_WWWxHHHmm |
| */ |
| |
| int w, l; /* Width and length of page */ |
| int numer; /* Scale factor for units */ |
| const char *units = ptr + strlen(ptr) - 2; |
| /* Units from size */ |
| |
| ptr ++; |
| |
| if (units >= ptr && !strcmp(units, "in")) |
| numer = 2540; |
| else |
| numer = 100; |
| |
| w = pwg_scan_measurement(ptr, &ptr, numer, 1); |
| |
| if (ptr && *ptr == 'x') |
| { |
| l = pwg_scan_measurement(ptr + 1, &ptr, numer, 1); |
| |
| if (ptr) |
| { |
| char wstr[32], lstr[32]; /* Width and length strings */ |
| |
| if (!strncmp(pwg, "disc_", 5)) |
| w = l; /* Make the media size OUTERxOUTER */ |
| |
| size = &(cg->pwg_media); |
| size->width = w; |
| size->length = l; |
| |
| strlcpy(cg->pwg_name, pwg, sizeof(cg->pwg_name)); |
| size->pwg = cg->pwg_name; |
| |
| if (numer == 100) |
| snprintf(cg->ppd_name, sizeof(cg->ppd_name), "%sx%smm", pwg_format_millimeters(wstr, sizeof(wstr), w), pwg_format_millimeters(lstr, sizeof(lstr), l)); |
| else |
| snprintf(cg->ppd_name, sizeof(cg->ppd_name), "%sx%s", pwg_format_inches(wstr, sizeof(wstr), w), pwg_format_inches(lstr, sizeof(lstr), l)); |
| size->ppd = cg->ppd_name; |
| } |
| } |
| } |
| |
| return (size); |
| } |
| |
| |
| /* |
| * 'pwgMediaForSize()' - Get the PWG media size for the given dimensions. |
| * |
| * The "width" and "length" are in hundredths of millimeters, equivalent to |
| * 1/100000th of a meter or 1/2540th of an inch. |
| * |
| * If the dimensions are non-standard, the returned PWG media size is stored in |
| * thread-local storage and is overwritten by each call to the function in the |
| * thread. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| pwg_media_t * /* O - PWG media name */ |
| pwgMediaForSize(int width, /* I - Width in hundredths of millimeters */ |
| int length) /* I - Length in hundredths of millimeters */ |
| { |
| /* |
| * Adobe uses a size matching algorithm with an epsilon of 5 points, which |
| * is just about 176/2540ths... |
| */ |
| |
| return (_pwgMediaNearSize(width, length, 176)); |
| } |
| |
| |
| /* |
| * '_pwgMediaNearSize()' - Get the PWG media size within the given tolerance. |
| */ |
| |
| pwg_media_t * /* O - PWG media name */ |
| _pwgMediaNearSize(int width, /* I - Width in hundredths of millimeters */ |
| int length, /* I - Length in hundredths of millimeters */ |
| int epsilon) /* I - Match within this tolernace. PWG units */ |
| { |
| int i; /* Looping var */ |
| pwg_media_t *media, /* Current media */ |
| *best_media = NULL; /* Best match */ |
| int dw, dl, /* Difference in width and length */ |
| best_dw = 999, /* Best difference in width and length */ |
| best_dl = 999; |
| char wstr[32], lstr[32]; /* Width and length as strings */ |
| _cups_globals_t *cg = _cupsGlobals(); /* Global data */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (width <= 0 || length <= 0) |
| return (NULL); |
| |
| /* |
| * Look for a standard size... |
| */ |
| |
| for (i = (int)(sizeof(cups_pwg_media) / sizeof(cups_pwg_media[0])), |
| media = (pwg_media_t *)cups_pwg_media; |
| i > 0; |
| i --, media ++) |
| { |
| |
| dw = abs(media->width - width); |
| dl = abs(media->length - length); |
| |
| if (!dw && !dl) |
| return (media); |
| else if (dw <= epsilon && dl <= epsilon) |
| { |
| if (dw <= best_dw && dl <= best_dl) |
| { |
| best_media = media; |
| best_dw = dw; |
| best_dl = dl; |
| } |
| } |
| } |
| |
| if (best_media) |
| return (best_media); |
| |
| /* |
| * Not a standard size; convert it to a PWG custom name of the form: |
| * |
| * custom_WIDTHxHEIGHTuu_WIDTHxHEIGHTuu |
| */ |
| |
| pwgFormatSizeName(cg->pwg_name, sizeof(cg->pwg_name), "custom", NULL, width, |
| length, NULL); |
| |
| cg->pwg_media.pwg = cg->pwg_name; |
| cg->pwg_media.width = width; |
| cg->pwg_media.length = length; |
| |
| if ((width % 635) == 0 && (length % 635) == 0) |
| snprintf(cg->ppd_name, sizeof(cg->ppd_name), "%sx%s", pwg_format_inches(wstr, sizeof(wstr), width), pwg_format_inches(lstr, sizeof(lstr), length)); |
| else |
| snprintf(cg->ppd_name, sizeof(cg->ppd_name), "%sx%smm", pwg_format_millimeters(wstr, sizeof(wstr), width), pwg_format_millimeters(lstr, sizeof(lstr), length)); |
| cg->pwg_media.ppd = cg->ppd_name; |
| |
| return (&(cg->pwg_media)); |
| } |
| |
| |
| /* |
| * '_pwgMediaTable()' - Return the internal media size table. |
| */ |
| |
| const pwg_media_t * /* O - Pointer to first entry */ |
| _pwgMediaTable(size_t *num_media) /* O - Number of entries */ |
| { |
| *num_media = sizeof(cups_pwg_media) / sizeof(cups_pwg_media[0]); |
| |
| return (cups_pwg_media); |
| } |
| |
| |
| /* |
| * 'pwg_compare_legacy()' - Compare two sizes using the legacy names. |
| */ |
| |
| static int /* O - Result of comparison */ |
| pwg_compare_legacy(pwg_media_t *a, /* I - First size */ |
| pwg_media_t *b) /* I - Second size */ |
| { |
| return (strcmp(a->legacy, b->legacy)); |
| } |
| |
| |
| /* |
| * 'pwg_compare_ppd()' - Compare two sizes using the PPD names. |
| */ |
| |
| static int /* O - Result of comparison */ |
| pwg_compare_ppd(pwg_media_t *a, /* I - First size */ |
| pwg_media_t *b) /* I - Second size */ |
| { |
| return (strcmp(a->ppd, b->ppd)); |
| } |
| |
| |
| /* |
| * 'pwg_compare_pwg()' - Compare two sizes using the PWG names. |
| */ |
| |
| static int /* O - Result of comparison */ |
| pwg_compare_pwg(pwg_media_t *a, /* I - First size */ |
| pwg_media_t *b) /* I - Second size */ |
| { |
| return (strcmp(a->pwg, b->pwg)); |
| } |
| |
| |
| /* |
| * 'pwg_format_inches()' - Convert and format PWG units as inches. |
| */ |
| |
| static char * /* O - String */ |
| pwg_format_inches(char *buf, /* I - Buffer */ |
| size_t bufsize, /* I - Size of buffer */ |
| int val) /* I - Value in hundredths of millimeters */ |
| { |
| int thousandths, /* Thousandths of inches */ |
| integer, /* Integer portion */ |
| fraction; /* Fractional portion */ |
| |
| |
| /* |
| * Convert hundredths of millimeters to thousandths of inches and round to |
| * the nearest thousandth. |
| */ |
| |
| thousandths = (val * 1000 + 1270) / 2540; |
| integer = thousandths / 1000; |
| fraction = thousandths % 1000; |
| |
| /* |
| * Format as a pair of integers (avoids locale stuff), avoiding trailing |
| * zeros... |
| */ |
| |
| if (fraction == 0) |
| snprintf(buf, bufsize, "%d", integer); |
| else if (fraction % 10) |
| snprintf(buf, bufsize, "%d.%03d", integer, fraction); |
| else if (fraction % 100) |
| snprintf(buf, bufsize, "%d.%02d", integer, fraction / 10); |
| else |
| snprintf(buf, bufsize, "%d.%01d", integer, fraction / 100); |
| |
| return (buf); |
| } |
| |
| |
| /* |
| * 'pwg_format_millimeters()' - Convert and format PWG units as millimeters. |
| */ |
| |
| static char * /* O - String */ |
| pwg_format_millimeters(char *buf, /* I - Buffer */ |
| size_t bufsize, /* I - Size of buffer */ |
| int val) /* I - Value in hundredths of millimeters */ |
| { |
| int integer, /* Integer portion */ |
| fraction; /* Fractional portion */ |
| |
| |
| /* |
| * Convert hundredths of millimeters to integer and fractional portions. |
| */ |
| |
| integer = val / 100; |
| fraction = val % 100; |
| |
| /* |
| * Format as a pair of integers (avoids locale stuff), avoiding trailing |
| * zeros... |
| */ |
| |
| if (fraction == 0) |
| snprintf(buf, bufsize, "%d", integer); |
| else if (fraction % 10) |
| snprintf(buf, bufsize, "%d.%02d", integer, fraction); |
| else |
| snprintf(buf, bufsize, "%d.%01d", integer, fraction / 10); |
| |
| return (buf); |
| } |
| |
| |
| /* |
| * 'pwg_scan_measurement()' - Scan a measurement in inches or millimeters. |
| * |
| * The "factor" argument specifies the scale factor for the units to convert to |
| * hundredths of millimeters. The returned value is NOT rounded but is an |
| * exact conversion of the fraction value (no floating point is used). |
| */ |
| |
| static int /* O - Hundredths of millimeters */ |
| pwg_scan_measurement( |
| const char *buf, /* I - Number string */ |
| char **bufptr, /* O - First byte after the number */ |
| int numer, /* I - Numerator from units */ |
| int denom) /* I - Denominator from units */ |
| { |
| int value = 0, /* Measurement value */ |
| fractional = 0, /* Fractional value */ |
| divisor = 1, /* Fractional divisor */ |
| digits = 10 * numer * denom; /* Maximum fractional value to read */ |
| |
| |
| /* |
| * Scan integer portion... |
| */ |
| |
| while (*buf >= '0' && *buf <= '9') |
| value = value * 10 + (*buf++) - '0'; |
| |
| if (*buf == '.') |
| { |
| /* |
| * Scan fractional portion... |
| */ |
| |
| buf ++; |
| |
| while (divisor < digits && *buf >= '0' && *buf <= '9') |
| { |
| fractional = fractional * 10 + (*buf++) - '0'; |
| divisor *= 10; |
| } |
| |
| /* |
| * Skip trailing digits that won't contribute... |
| */ |
| |
| while (*buf >= '0' && *buf <= '9') |
| buf ++; |
| } |
| |
| if (bufptr) |
| *bufptr = (char *)buf; |
| |
| return (value * numer / denom + fractional * numer / denom / divisor); |
| } |