2386 lines
67 KiB
C++
2386 lines
67 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup bke
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*/
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#include <algorithm> /* For `min/max`. */
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#include <cctype>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include "BLI_math_base.h"
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#include "BLI_string.h"
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#include "BLI_string_utf8.h"
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#include "BLI_string_utf8_symbols.h"
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#include "BLI_sys_types.h"
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#include "DNA_scene_types.h"
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#include "BKE_unit.h" /* own include */
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#ifdef WIN32
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# include "BLI_winstuff.h"
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#endif
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/* No BKE or DNA includes! */
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/* Keep alignment. */
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/* clang-format off */
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#define TEMP_STR_SIZE 256
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#define SEP_CHR '#'
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#define SEP_STR "#"
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#define EPS 0.001
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#define UN_SC_KM 1000.0f
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#define UN_SC_HM 100.0f
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#define UN_SC_DAM 10.0f
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#define UN_SC_M 1.0f
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#define UN_SC_DM 0.1f
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#define UN_SC_CM 0.01f
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#define UN_SC_MM 0.001f
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#define UN_SC_UM 0.000001f
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#define UN_SC_MI 1609.344f
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#define UN_SC_FUR 201.168f
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#define UN_SC_CH 20.1168f
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#define UN_SC_YD 0.9144f
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#define UN_SC_FT 0.3048f
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#define UN_SC_IN 0.0254f
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#define UN_SC_MIL 0.0000254f
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#define UN_SC_MTON 1000.0f /* Metric ton. */
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#define UN_SC_QL 100.0f
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#define UN_SC_KG 1.0f
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#define UN_SC_HG 0.1f
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#define UN_SC_DAG 0.01f
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#define UN_SC_G 0.001f
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#define UN_SC_MG 0.000001f
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#define UN_SC_ITON 907.18474f /* Imperial ton. */
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#define UN_SC_CWT 45.359237f
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#define UN_SC_ST 6.35029318f
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#define UN_SC_LB 0.45359237f
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#define UN_SC_OZ 0.028349523125f
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#define UN_SC_FAH 0.555555555555f
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/* clang-format on */
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/* Define a single unit. */
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struct bUnitDef {
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const char *name;
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/** Abused a bit for the display name. */
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const char *name_plural;
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/** This is used for display. */
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const char *name_short;
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/**
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* Keyboard-friendly ASCII-only version of name_short, can be nullptr.
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* If name_short has non-ASCII chars, name_alt should be present.
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*/
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const char *name_alt;
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/** Can be nullptr. */
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const char *name_display;
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/** When nullptr, a transformed version of the name will be taken in some cases. */
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const char *identifier;
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double scalar;
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/** Needed for converting temperatures. */
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double bias;
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int flag;
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};
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enum {
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B_UNIT_DEF_NONE = 0,
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/** Use for units that are not used enough to be translated into for common use. */
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B_UNIT_DEF_SUPPRESS = 1,
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/** Display a unit even if its value is 0.1, eg 0.1mm instead of 100um. */
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B_UNIT_DEF_TENTH = 2,
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/** Short unit name is case sensitive, for example to distinguish mW and MW. */
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B_UNIT_DEF_CASE_SENSITIVE = 4,
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/** Short unit name does not have space between it and preceding number. */
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B_UNIT_DEF_NO_SPACE = 8,
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};
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/* Define a single unit system. */
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struct bUnitCollection {
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const bUnitDef *units;
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/** Basic unit index (when user doesn't specify unit explicitly). */
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int base_unit;
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/** Options for this system. */
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int flag;
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/** To quickly find the last item. */
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int length;
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};
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#define UNIT_COLLECTION_LENGTH(def) (ARRAY_SIZE(def) - 1)
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/* Clang-format wraps this define badly. */
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/* clang-format off */
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#define NULL_UNIT { \
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/*name*/ nullptr, \
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/*name_plural*/ nullptr, \
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/*name_short*/ nullptr, \
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/*name_alt*/ nullptr, \
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/*name_display*/ nullptr, \
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/*identifier*/ nullptr, \
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/*scalar*/ 0.0, \
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/*bias*/ 0.0, \
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/*flag*/ 0, \
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}
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/* clang-format on */
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/* Dummy */
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static bUnitDef buDummyDef[] = {
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{
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/*name*/ "",
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/*name_plural*/ nullptr,
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/*name_short*/ "",
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/*name_alt*/ nullptr,
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/*name_display*/ nullptr,
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/*identifier*/ nullptr,
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/*scalar*/ 1.0,
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/*bias*/ 0.0,
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/*flag*/ 0,
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},
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NULL_UNIT,
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};
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static bUnitCollection buDummyCollection = {
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/*units*/ buDummyDef,
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/*base_unit*/ 0,
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/*flag*/ 0,
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/*length*/ UNIT_COLLECTION_LENGTH(buDummyDef),
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};
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/* Lengths. */
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static bUnitDef buMetricLenDef[] = {
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{
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/*name*/ "kilometer",
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/*name_plural*/ "kilometers",
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/*name_short*/ "km",
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/*name_alt*/ nullptr,
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/*name_display*/ "Kilometers",
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/*identifier*/ "KILOMETERS",
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/*scalar*/ UN_SC_KM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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{
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/*name*/ "hectometer",
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/*name_plural*/ "hectometers",
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/*name_short*/ "hm",
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/*name_alt*/ nullptr,
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/*name_display*/ "100 Meters",
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/*identifier*/ "HECTOMETERS",
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/*scalar*/ UN_SC_HM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_SUPPRESS,
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},
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{
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/*name*/ "dekameter",
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/*name_plural*/ "dekameters",
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/*name_short*/ "dam",
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/*name_alt*/ nullptr,
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/*name_display*/ "10 Meters",
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/*identifier*/ "DEKAMETERS",
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/*scalar*/ UN_SC_DAM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_SUPPRESS,
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},
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/* Base unit. */
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{
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/*name*/ "meter",
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/*name_plural*/ "meters",
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/*name_short*/ "m",
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/*name_alt*/ nullptr,
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/*name_display*/ "Meters",
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/*identifier*/ "METERS",
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/*scalar*/ UN_SC_M,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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{
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/*name*/ "decimeter",
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/*name_plural*/ "decimeters",
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/*name_short*/ "dm",
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/*name_alt*/ nullptr,
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/*name_display*/ "10 Centimeters",
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/*identifier*/ "DECIMETERS",
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/*scalar*/ UN_SC_DM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_SUPPRESS,
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},
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{
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/*name*/ "centimeter",
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/*name_plural*/ "centimeters",
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/*name_short*/ "cm",
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/*name_alt*/ nullptr,
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/*name_display*/ "Centimeters",
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/*identifier*/ "CENTIMETERS",
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/*scalar*/ UN_SC_CM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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{
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/*name*/ "millimeter",
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/*name_plural*/ "millimeters",
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/*name_short*/ "mm",
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/*name_alt*/ nullptr,
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/*name_display*/ "Millimeters",
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/*identifier*/ "MILLIMETERS",
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/*scalar*/ UN_SC_MM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE | B_UNIT_DEF_TENTH,
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},
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{
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/*name*/ "micrometer",
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/*name_plural*/ "micrometers",
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/*name_short*/ "µm",
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/*name_alt*/ "um",
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/*name_display*/ "Micrometers",
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/*identifier*/ "MICROMETERS",
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/*scalar*/ UN_SC_UM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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/* These get displayed because of float precision problems in the transform header,
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* could work around, but for now probably people won't use these. */
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#if 0
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{
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/*name*/ "nanometer",
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/*name_plural*/ "nanometers",
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/*name_short*/ "nm",
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/*name_alt*/ nullptr,
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/*name_display*/ "Nanometers",
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/*identifier*/ "NANOMETERS",
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/*scalar*/ 0.000000001,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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{
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/*name*/ "picometer",
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/*name_plural*/ "picometers",
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/*name_short*/ "pm",
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/*name_alt*/ nullptr,
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/*name_display*/ "Picometers",
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/*identifier*/ "PICOMETERS",
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/*scalar*/ 0.000000000001,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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#endif
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NULL_UNIT,
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};
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static const bUnitCollection buMetricLenCollection = {
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/*units*/ buMetricLenDef,
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/*base_unit*/ 3,
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/*flag*/ 0,
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/*length*/ UNIT_COLLECTION_LENGTH(buMetricLenDef),
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};
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static bUnitDef buImperialLenDef[] = {
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{
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/*name*/ "mile",
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/*name_plural*/ "miles",
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/*name_short*/ "mi",
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/*name_alt*/ nullptr,
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/*name_display*/ "Miles",
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/*identifier*/ "MILES",
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/*scalar*/ UN_SC_MI,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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{
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/*name*/ "furlong",
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/*name_plural*/ "furlongs",
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/*name_short*/ "fur",
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/*name_alt*/ nullptr,
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/*name_display*/ "Furlongs",
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/*identifier*/ "FURLONGS",
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/*scalar*/ UN_SC_FUR,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_SUPPRESS,
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},
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{
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/*name*/ "chain",
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/*name_plural*/ "chains",
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/*name_short*/ "ch",
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/*name_alt*/ nullptr,
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/*name_display*/ "Chains",
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/*identifier*/ "CHAINS",
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/*scalar*/ UN_SC_CH,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_SUPPRESS,
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},
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{
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/*name*/ "yard",
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/*name_plural*/ "yards",
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/*name_short*/ "yd",
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/*name_alt*/ nullptr,
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/*name_display*/ "Yards",
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/*identifier*/ "YARDS",
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/*scalar*/ UN_SC_YD,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_SUPPRESS,
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},
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/* Base unit. */
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{
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/*name*/ "foot",
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/*name_plural*/ "feet",
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/*name_short*/ "'",
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/*name_alt*/ "ft",
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/*name_display*/ "Feet",
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/*identifier*/ "FEET",
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/*scalar*/ UN_SC_FT,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE | B_UNIT_DEF_NO_SPACE,
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},
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{
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/*name*/ "inch",
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/*name_plural*/ "inches",
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/*name_short*/ "\"",
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/*name_alt*/ "in",
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/*name_display*/ "Inches",
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/*identifier*/ "INCHES",
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/*scalar*/ UN_SC_IN,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE | B_UNIT_DEF_NO_SPACE,
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},
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/* NOTE: Plural for "thou" has no 's'. */
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{
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/*name*/ "thou",
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/*name_plural*/ "thou",
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/*name_short*/ "thou",
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/*name_alt*/ "mil",
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/*name_display*/ "Thou",
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/*identifier*/ "THOU",
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/*scalar*/ UN_SC_MIL,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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NULL_UNIT,
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};
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static bUnitCollection buImperialLenCollection = {
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/*units*/ buImperialLenDef,
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/*base_unit*/ 4,
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/*flag*/ 0,
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/*length*/ UNIT_COLLECTION_LENGTH(buImperialLenDef),
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};
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/* Areas. */
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static bUnitDef buMetricAreaDef[] = {
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{
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/*name*/ "square kilometer",
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/*name_plural*/ "square kilometers",
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/*name_short*/ "km" BLI_STR_UTF8_SUPERSCRIPT_2,
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/*name_alt*/ "km2",
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/*name_display*/ "Square Kilometers",
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/*identifier*/ nullptr,
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/*scalar*/ UN_SC_KM *UN_SC_KM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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{
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/*name*/ "square hectometer",
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/*name_plural*/ "square hectometers",
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/*name_short*/ "hm" BLI_STR_UTF8_SUPERSCRIPT_2,
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/*name_alt*/ "hm2",
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/*name_display*/ "Square Hectometers",
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/*identifier*/ nullptr,
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/*scalar*/ UN_SC_HM *UN_SC_HM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_SUPPRESS,
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}, /* Hectare. */
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{
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/*name*/ "square dekameter",
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/*name_plural*/ "square dekameters",
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/*name_short*/ "dam" BLI_STR_UTF8_SUPERSCRIPT_2,
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/*name_alt*/ "dam2",
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/*name_display*/ "Square Dekameters",
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/*identifier*/ nullptr,
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/*scalar*/ UN_SC_DAM *UN_SC_DAM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_SUPPRESS,
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},
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/* Base unit. */
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{
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/*name*/ "square meter",
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/*name_plural*/ "square meters",
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/*name_short*/ "m" BLI_STR_UTF8_SUPERSCRIPT_2,
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/*name_alt*/ "m2",
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/*name_display*/ "Square Meters",
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/*identifier*/ nullptr,
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/*scalar*/ UN_SC_M *UN_SC_M,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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{
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/*name*/ "square decimeter",
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/*name_plural*/ "square decimetees",
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/*name_short*/ "dm" BLI_STR_UTF8_SUPERSCRIPT_2,
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/*name_alt*/ "dm2",
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/*name_display*/ "Square Decimeters",
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/*identifier*/ nullptr,
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/*scalar*/ UN_SC_DM *UN_SC_DM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_SUPPRESS,
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},
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{
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/*name*/ "square centimeter",
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/*name_plural*/ "square centimeters",
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/*name_short*/ "cm" BLI_STR_UTF8_SUPERSCRIPT_2,
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/*name_alt*/ "cm2",
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/*name_display*/ "Square Centimeters",
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/*identifier*/ nullptr,
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/*scalar*/ UN_SC_CM *UN_SC_CM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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{
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/*name*/ "square millimeter",
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/*name_plural*/ "square millimeters",
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/*name_short*/ "mm" BLI_STR_UTF8_SUPERSCRIPT_2,
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/*name_alt*/ "mm2",
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/*name_display*/ "Square Millimeters",
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/*identifier*/ nullptr,
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/*scalar*/ UN_SC_MM *UN_SC_MM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE | B_UNIT_DEF_TENTH,
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},
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{
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/*name*/ "square micrometer",
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/*name_plural*/ "square micrometers",
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/*name_short*/ "µm" BLI_STR_UTF8_SUPERSCRIPT_2,
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/*name_alt*/ "um2",
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/*name_display*/ "Square Micrometers",
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/*identifier*/ nullptr,
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/*scalar*/ UN_SC_UM *UN_SC_UM,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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NULL_UNIT,
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};
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static bUnitCollection buMetricAreaCollection = {
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/*units*/ buMetricAreaDef,
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/*base_unit*/ 3,
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/*flag*/ 0,
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/*length*/ UNIT_COLLECTION_LENGTH(buMetricAreaDef),
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};
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static bUnitDef buImperialAreaDef[] = {
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{
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/*name*/ "square mile",
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/*name_plural*/ "square miles",
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/*name_short*/ "sq mi",
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/*name_alt*/ "sq m",
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/*name_display*/ "Square Miles",
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/*identifier*/ nullptr,
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/*scalar*/ UN_SC_MI *UN_SC_MI,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_NONE,
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},
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{
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/*name*/ "square furlong",
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/*name_plural*/ "square furlongs",
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/*name_short*/ "sq fur",
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/*name_alt*/ nullptr,
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/*name_display*/ "Square Furlongs",
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/*identifier*/ nullptr,
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/*scalar*/ UN_SC_FUR *UN_SC_FUR,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_SUPPRESS,
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},
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{
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/*name*/ "square chain",
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/*name_plural*/ "square chains",
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/*name_short*/ "sq ch",
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/*name_alt*/ nullptr,
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/*name_display*/ "Square Chains",
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/*identifier*/ nullptr,
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/*scalar*/ UN_SC_CH *UN_SC_CH,
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/*bias*/ 0.0,
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/*flag*/ B_UNIT_DEF_SUPPRESS,
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},
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{
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/*name*/ "square yard",
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/*name_plural*/ "square yards",
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/*name_short*/ "sq yd",
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/*name_alt*/ nullptr,
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/*name_display*/ "Square Yards",
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/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_YD *UN_SC_YD,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "square foot",
|
|
/*name_plural*/ "square feet",
|
|
/*name_short*/ "sq ft",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Square Feet",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_FT *UN_SC_FT,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "square inch",
|
|
/*name_plural*/ "square inches",
|
|
/*name_short*/ "sq in",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Square Inches",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_IN *UN_SC_IN,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "square thou",
|
|
/*name_plural*/ "square thou",
|
|
/*name_short*/ "sq mil",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Square Thou",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_MIL *UN_SC_MIL,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buImperialAreaCollection = {
|
|
/*units*/ buImperialAreaDef,
|
|
/*base_unit*/ 4,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buImperialAreaDef),
|
|
};
|
|
|
|
/* Volumes. */
|
|
static bUnitDef buMetricVolDef[] = {
|
|
{
|
|
/*name*/ "cubic kilometer",
|
|
/*name_plural*/ "cubic kilometers",
|
|
/*name_short*/ "km" BLI_STR_UTF8_SUPERSCRIPT_3,
|
|
/*name_alt*/ "km3",
|
|
/*name_display*/ "Cubic Kilometers",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_KM *UN_SC_KM *UN_SC_KM,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "cubic hectometer",
|
|
/*name_plural*/ "cubic hectometers",
|
|
/*name_short*/ "hm" BLI_STR_UTF8_SUPERSCRIPT_3,
|
|
/*name_alt*/ "hm3",
|
|
/*name_display*/ "Cubic Hectometers",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_HM *UN_SC_HM *UN_SC_HM,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
{
|
|
/*name*/ "cubic dekameter",
|
|
/*name_plural*/ "cubic dekameters",
|
|
/*name_short*/ "dam" BLI_STR_UTF8_SUPERSCRIPT_3,
|
|
/*name_alt*/ "dam3",
|
|
/*name_display*/ "Cubic Dekameters",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_DAM *UN_SC_DAM *UN_SC_DAM,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "cubic meter",
|
|
/*name_plural*/ "cubic meters",
|
|
/*name_short*/ "m" BLI_STR_UTF8_SUPERSCRIPT_3,
|
|
/*name_alt*/ "m3",
|
|
/*name_display*/ "Cubic Meters",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_M *UN_SC_M *UN_SC_M,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "cubic decimeter",
|
|
/*name_plural*/ "cubic decimeters",
|
|
/*name_short*/ "dm" BLI_STR_UTF8_SUPERSCRIPT_3,
|
|
/*name_alt*/ "dm3",
|
|
/*name_display*/ "Cubic Decimeters",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_DM *UN_SC_DM *UN_SC_DM,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
{
|
|
/*name*/ "cubic centimeter",
|
|
/*name_plural*/ "cubic centimeters",
|
|
/*name_short*/ "cm" BLI_STR_UTF8_SUPERSCRIPT_3,
|
|
/*name_alt*/ "cm3",
|
|
/*name_display*/ "Cubic Centimeters",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_CM *UN_SC_CM *UN_SC_CM,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "cubic millimeter",
|
|
/*name_plural*/ "cubic millimeters",
|
|
/*name_short*/ "mm" BLI_STR_UTF8_SUPERSCRIPT_3,
|
|
/*name_alt*/ "mm3",
|
|
/*name_display*/ "Cubic Millimeters",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_MM *UN_SC_MM *UN_SC_MM,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE | B_UNIT_DEF_TENTH,
|
|
},
|
|
{
|
|
/*name*/ "cubic micrometer",
|
|
/*name_plural*/ "cubic micrometers",
|
|
/*name_short*/ "µm" BLI_STR_UTF8_SUPERSCRIPT_3,
|
|
/*name_alt*/ "um3",
|
|
/*name_display*/ "Cubic Micrometers",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_UM *UN_SC_UM *UN_SC_UM,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buMetricVolCollection = {
|
|
/*units*/ buMetricVolDef,
|
|
/*base_unit*/ 3,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buMetricVolDef),
|
|
};
|
|
|
|
static bUnitDef buImperialVolDef[] = {
|
|
{
|
|
/*name*/ "cubic mile",
|
|
/*name_plural*/ "cubic miles",
|
|
/*name_short*/ "cu mi",
|
|
/*name_alt*/ "cu m",
|
|
/*name_display*/ "Cubic Miles",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_MI *UN_SC_MI *UN_SC_MI,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "cubic furlong",
|
|
/*name_plural*/ "cubic furlongs",
|
|
/*name_short*/ "cu fur",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Cubic Furlongs",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_FUR *UN_SC_FUR *UN_SC_FUR,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
{
|
|
/*name*/ "cubic chain",
|
|
/*name_plural*/ "cubic chains",
|
|
/*name_short*/ "cu ch",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Cubic Chains",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_CH *UN_SC_CH *UN_SC_CH,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
{
|
|
/*name*/ "cubic yard",
|
|
/*name_plural*/ "cubic yards",
|
|
/*name_short*/ "cu yd",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Cubic Yards",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_YD *UN_SC_YD *UN_SC_YD,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "cubic foot",
|
|
/*name_plural*/ "cubic feet",
|
|
/*name_short*/ "cu ft",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Cubic Feet",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_FT *UN_SC_FT *UN_SC_FT,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "cubic inch",
|
|
/*name_plural*/ "cubic inches",
|
|
/*name_short*/ "cu in",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Cubic Inches",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_IN *UN_SC_IN *UN_SC_IN,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "cubic thou",
|
|
/*name_plural*/ "cubic thou",
|
|
/*name_short*/ "cu mil",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Cubic Thou",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_MIL *UN_SC_MIL *UN_SC_MIL,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buImperialVolCollection = {
|
|
/*units*/ buImperialVolDef,
|
|
/*base_unit*/ 4,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buImperialVolDef),
|
|
};
|
|
|
|
/* Mass. */
|
|
static bUnitDef buMetricMassDef[] = {
|
|
{
|
|
/*name*/ "ton",
|
|
/*name_plural*/ "tonnes",
|
|
/*name_short*/ "ton",
|
|
/*name_alt*/ "t",
|
|
/*name_display*/ "Tonnes",
|
|
/*identifier*/ "TONNES",
|
|
/*scalar*/ UN_SC_MTON,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "quintal",
|
|
/*name_plural*/ "quintals",
|
|
/*name_short*/ "ql",
|
|
/*name_alt*/ "q",
|
|
/*name_display*/ "100 Kilograms",
|
|
/*identifier*/ "QUINTALS",
|
|
/*scalar*/ UN_SC_QL,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "kilogram",
|
|
/*name_plural*/ "kilograms",
|
|
/*name_short*/ "kg",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Kilograms",
|
|
/*identifier*/ "KILOGRAMS",
|
|
/*scalar*/ UN_SC_KG,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "hectogram",
|
|
/*name_plural*/ "hectograms",
|
|
/*name_short*/ "hg",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Hectograms",
|
|
/*identifier*/ "HECTOGRAMS",
|
|
/*scalar*/ UN_SC_HG,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
{
|
|
/*name*/ "dekagram",
|
|
/*name_plural*/ "dekagrams",
|
|
/*name_short*/ "dag",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "10 Grams",
|
|
/*identifier*/ "DEKAGRAMS",
|
|
/*scalar*/ UN_SC_DAG,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
{
|
|
/*name*/ "gram",
|
|
/*name_plural*/ "grams",
|
|
/*name_short*/ "g",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Grams",
|
|
/*identifier*/ "GRAMS",
|
|
/*scalar*/ UN_SC_G,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "milligram",
|
|
/*name_plural*/ "milligrams",
|
|
/*name_short*/ "mg",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Milligrams",
|
|
/*identifier*/ "MILLIGRAMS",
|
|
/*scalar*/ UN_SC_MG,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buMetricMassCollection = {
|
|
/*units*/ buMetricMassDef,
|
|
/*base_unit*/ 2,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buMetricMassDef),
|
|
};
|
|
|
|
static bUnitDef buImperialMassDef[] = {
|
|
{
|
|
/*name*/ "ton",
|
|
/*name_plural*/ "tonnes",
|
|
/*name_short*/ "ton",
|
|
/*name_alt*/ "t",
|
|
/*name_display*/ "Tonnes",
|
|
/*identifier*/ "TONNES",
|
|
/*scalar*/ UN_SC_ITON,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "centum weight",
|
|
/*name_plural*/ "centum weights",
|
|
/*name_short*/ "cwt",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Centum weights",
|
|
/*identifier*/ "CENTUM_WEIGHTS",
|
|
/*scalar*/ UN_SC_CWT,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "stone",
|
|
/*name_plural*/ "stones",
|
|
/*name_short*/ "st",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Stones",
|
|
/*identifier*/ "STONES",
|
|
/*scalar*/ UN_SC_ST,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "pound",
|
|
/*name_plural*/ "pounds",
|
|
/*name_short*/ "lb",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Pounds",
|
|
/*identifier*/ "POUNDS",
|
|
/*scalar*/ UN_SC_LB,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "ounce",
|
|
/*name_plural*/ "ounces",
|
|
/*name_short*/ "oz",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Ounces",
|
|
/*identifier*/ "OUNCES",
|
|
/*scalar*/ UN_SC_OZ,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buImperialMassCollection = {
|
|
/*units*/ buImperialMassDef,
|
|
/*base_unit*/ 3,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buImperialMassDef),
|
|
};
|
|
|
|
/* Even if user scales the system to a point where km^3 is used, velocity and
|
|
* acceleration aren't scaled: that's why we have so few units for them. */
|
|
|
|
/* Velocity. */
|
|
static bUnitDef buMetricVelDef[] = {
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "meter per second",
|
|
/*name_plural*/ "meters per second",
|
|
/*name_short*/ "m/s",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Meters per second",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_M,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "kilometer per hour",
|
|
/*name_plural*/ "kilometers per hour",
|
|
/*name_short*/ "km/h",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Kilometers per hour",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_KM / 3600.0f,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buMetricVelCollection = {
|
|
/*units*/ buMetricVelDef,
|
|
/*base_unit*/ 0,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buMetricVelDef),
|
|
};
|
|
|
|
static bUnitDef buImperialVelDef[] = {
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "foot per second",
|
|
/*name_plural*/ "feet per second",
|
|
/*name_short*/ "ft/s",
|
|
/*name_alt*/ "fps",
|
|
/*name_display*/ "Feet per second",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_FT,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "mile per hour",
|
|
/*name_plural*/ "miles per hour",
|
|
/*name_short*/ "mph",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Miles per hour",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_MI / 3600.0f,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buImperialVelCollection = {
|
|
/*units*/ buImperialVelDef,
|
|
/*base_unit*/ 0,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buImperialVelDef),
|
|
};
|
|
|
|
/* Acceleration. */
|
|
static bUnitDef buMetricAclDef[] = {
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "meter per second squared",
|
|
/*name_plural*/ "meters per second squared",
|
|
/*name_short*/ "m/s" BLI_STR_UTF8_SUPERSCRIPT_2,
|
|
/*name_alt*/ "m/s2",
|
|
/*name_display*/ "Meters per second squared",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_M,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buMetricAclCollection = {
|
|
/*units*/ buMetricAclDef,
|
|
/*base_unit*/ 0,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buMetricAclDef),
|
|
};
|
|
|
|
static bUnitDef buImperialAclDef[] = {
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "foot per second squared",
|
|
/*name_plural*/ "feet per second squared",
|
|
/*name_short*/ "ft/s" BLI_STR_UTF8_SUPERSCRIPT_2,
|
|
/*name_alt*/ "ft/s2",
|
|
/*name_display*/ "Feet per second squared",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_FT,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buImperialAclCollection = {
|
|
/*units*/ buImperialAclDef,
|
|
/*base_unit*/ 0,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buImperialAclDef),
|
|
};
|
|
|
|
/* Time. */
|
|
static bUnitDef buNaturalTimeDef[] = {
|
|
/* Weeks? - probably not needed for Blender. */
|
|
{
|
|
/*name*/ "day",
|
|
/*name_plural*/ "days",
|
|
/*name_short*/ "d",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Days",
|
|
/*identifier*/ "DAYS",
|
|
/*scalar*/ 86400.0,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "hour",
|
|
/*name_plural*/ "hours",
|
|
/*name_short*/ "hr",
|
|
/*name_alt*/ "h",
|
|
/*name_display*/ "Hours",
|
|
/*identifier*/ "HOURS",
|
|
/*scalar*/ 3600.0,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "minute",
|
|
/*name_plural*/ "minutes",
|
|
/*name_short*/ "min",
|
|
/*name_alt*/ "m",
|
|
/*name_display*/ "Minutes",
|
|
/*identifier*/ "MINUTES",
|
|
/*scalar*/ 60.0,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "second",
|
|
/*name_plural*/ "seconds",
|
|
/*name_short*/ "sec",
|
|
/*name_alt*/ "s",
|
|
/*name_display*/ "Seconds",
|
|
/*identifier*/ "SECONDS",
|
|
/*scalar*/ 1.0,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "millisecond",
|
|
/*name_plural*/ "milliseconds",
|
|
/*name_short*/ "ms",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Milliseconds",
|
|
/*identifier*/ "MILLISECONDS",
|
|
/*scalar*/ 0.001,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "microsecond",
|
|
/*name_plural*/ "microseconds",
|
|
/*name_short*/ "µs",
|
|
/*name_alt*/ "us",
|
|
/*name_display*/ "Microseconds",
|
|
/*identifier*/ "MICROSECONDS",
|
|
/*scalar*/ 0.000001,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buNaturalTimeCollection = {
|
|
/*units*/ buNaturalTimeDef,
|
|
/*base_unit*/ 3,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buNaturalTimeDef),
|
|
};
|
|
|
|
static bUnitDef buNaturalRotDef[] = {
|
|
{
|
|
/*name*/ "degree",
|
|
/*name_plural*/ "degrees",
|
|
/*name_short*/ BLI_STR_UTF8_DEGREE_SIGN,
|
|
/*name_alt*/ "d",
|
|
/*name_display*/ "Degrees",
|
|
/*identifier*/ "DEGREES",
|
|
/*scalar*/ M_PI / 180.0,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE | B_UNIT_DEF_NO_SPACE,
|
|
},
|
|
/* `arcminutes` / `arcseconds` are used in Astronomy/Navigation areas. */
|
|
{
|
|
/*name*/ "arcminute",
|
|
/*name_plural*/ "arcminutes",
|
|
/*name_short*/ "'",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Arcminutes",
|
|
/*identifier*/ "ARCMINUTES",
|
|
/*scalar*/ (M_PI / 180.0) / 60.0,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS | B_UNIT_DEF_NO_SPACE,
|
|
},
|
|
{
|
|
/*name*/ "arcsecond",
|
|
/*name_plural*/ "arcseconds",
|
|
/*name_short*/ "\"",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Arcseconds",
|
|
/*identifier*/ "ARCSECONDS",
|
|
/*scalar*/ (M_PI / 180.0) / 3600.0,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS | B_UNIT_DEF_NO_SPACE,
|
|
},
|
|
{
|
|
/*name*/ "radian",
|
|
/*name_plural*/ "radians",
|
|
/*name_short*/ "r",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Radians",
|
|
/*identifier*/ "RADIANS",
|
|
/*scalar*/ 1.0,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
#if 0
|
|
{
|
|
/*name*/ "turn",
|
|
/*name_plural*/ "turns",
|
|
/*name_short*/ "t",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Turns",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ 1.0 / (M_PI * 2.0),
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
#endif
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buNaturalRotCollection = {
|
|
/*units*/ buNaturalRotDef,
|
|
/*base_unit*/ 0,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buNaturalRotDef),
|
|
};
|
|
|
|
/* Camera Lengths. */
|
|
static bUnitDef buCameraLenDef[] = {
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "meter",
|
|
/*name_plural*/ "meters",
|
|
/*name_short*/ "m",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Meters",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_KM,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "decimeter",
|
|
/*name_plural*/ "decimeters",
|
|
/*name_short*/ "dm",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "10 Centimeters",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_HM,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
{
|
|
/*name*/ "centimeter",
|
|
/*name_plural*/ "centimeters",
|
|
/*name_short*/ "cm",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Centimeters",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_DAM,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
{
|
|
/*name*/ "millimeter",
|
|
/*name_plural*/ "millimeters",
|
|
/*name_short*/ "mm",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Millimeters",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_M,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "micrometer",
|
|
/*name_plural*/ "micrometers",
|
|
/*name_short*/ "µm",
|
|
/*name_alt*/ "um",
|
|
/*name_display*/ "Micrometers",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ UN_SC_MM,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buCameraLenCollection = {
|
|
/*units*/ buCameraLenDef,
|
|
/*base_unit*/ 3,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buCameraLenDef),
|
|
};
|
|
|
|
/* (Light) Power. */
|
|
static bUnitDef buPowerDef[] = {
|
|
{
|
|
/*name*/ "gigawatt",
|
|
/*name_plural*/ "gigawatts",
|
|
/*name_short*/ "GW",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Gigawatts",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ 1e9f,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "megawatt",
|
|
/*name_plural*/ "megawatts",
|
|
/*name_short*/ "MW",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Megawatts",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ 1e6f,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_CASE_SENSITIVE,
|
|
},
|
|
{
|
|
/*name*/ "kilowatt",
|
|
/*name_plural*/ "kilowatts",
|
|
/*name_short*/ "kW",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Kilowatts",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ 1e3f,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_SUPPRESS,
|
|
},
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "watt",
|
|
/*name_plural*/ "watts",
|
|
/*name_short*/ "W",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Watts",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ 1.0f,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "milliwatt",
|
|
/*name_plural*/ "milliwatts",
|
|
/*name_short*/ "mW",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Milliwatts",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ 1e-3f,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_CASE_SENSITIVE,
|
|
},
|
|
{
|
|
/*name*/ "microwatt",
|
|
/*name_plural*/ "microwatts",
|
|
/*name_short*/ "µW",
|
|
/*name_alt*/ "uW",
|
|
/*name_display*/ "Microwatts",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ 1e-6f,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
{
|
|
/*name*/ "nanowatt",
|
|
/*name_plural*/ "nanowatts",
|
|
/*name_short*/ "nW",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Nanowatts",
|
|
/*identifier*/ nullptr,
|
|
/*scalar*/ 1e-9f,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buPowerCollection = {
|
|
/*units*/ buPowerDef,
|
|
/*base_unit*/ 3,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buPowerDef),
|
|
};
|
|
|
|
/* Temperature */
|
|
static bUnitDef buMetricTempDef[] = {
|
|
{
|
|
/*name*/ "kelvin",
|
|
/*name_plural*/ "kelvin",
|
|
/*name_short*/ "K",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Kelvin",
|
|
/*identifier*/ "KELVIN",
|
|
/*scalar*/ 1.0f,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "celsius",
|
|
/*name_plural*/ "celsius",
|
|
/*name_short*/ BLI_STR_UTF8_DEGREE_SIGN "C",
|
|
/*name_alt*/ "C",
|
|
/*name_display*/ "Celsius",
|
|
/*identifier*/ "CELSIUS",
|
|
/*scalar*/ 1.0f,
|
|
/*bias*/ 273.15,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buMetricTempCollection = {
|
|
/*units*/ buMetricTempDef,
|
|
/*base_unit*/ 0,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buMetricTempDef),
|
|
};
|
|
|
|
static bUnitDef buImperialTempDef[] = {
|
|
{
|
|
/*name*/ "kelvin",
|
|
/*name_plural*/ "kelvin",
|
|
/*name_short*/ "K",
|
|
/*name_alt*/ nullptr,
|
|
/*name_display*/ "Kelvin",
|
|
/*identifier*/ "KELVIN",
|
|
/*scalar*/ 1.0f,
|
|
/*bias*/ 0.0,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
/* Base unit. */
|
|
{
|
|
/*name*/ "fahrenheit",
|
|
/*name_plural*/ "fahrenheit",
|
|
/*name_short*/ BLI_STR_UTF8_DEGREE_SIGN "F",
|
|
/*name_alt*/ "F",
|
|
/*name_display*/ "Fahrenheit",
|
|
/*identifier*/ "FAHRENHEIT",
|
|
/*scalar*/ UN_SC_FAH,
|
|
/*bias*/ 459.67,
|
|
/*flag*/ B_UNIT_DEF_NONE,
|
|
},
|
|
NULL_UNIT,
|
|
};
|
|
static bUnitCollection buImperialTempCollection = {
|
|
/*units*/ buImperialTempDef,
|
|
/*base_unit*/ 1,
|
|
/*flag*/ 0,
|
|
/*length*/ UNIT_COLLECTION_LENGTH(buImperialTempDef),
|
|
};
|
|
|
|
#define UNIT_SYSTEM_TOT (((sizeof(bUnitSystems) / B_UNIT_TYPE_TOT) / sizeof(void *)) - 1)
|
|
static const bUnitCollection *bUnitSystems[][B_UNIT_TYPE_TOT] = {
|
|
/* Natural. */
|
|
{
|
|
/*B_UNIT_NONE*/ nullptr,
|
|
/*B_UNIT_LENGTH*/ nullptr,
|
|
/*B_UNIT_AREA*/ nullptr,
|
|
/*B_UNIT_VOLUME*/ nullptr,
|
|
/*B_UNIT_MASS*/ nullptr,
|
|
/*B_UNIT_ROTATION*/ &buNaturalRotCollection,
|
|
/*B_UNIT_TIME*/ &buNaturalTimeCollection,
|
|
/*B_UNIT_TIME_ABSOLUTE*/ &buNaturalTimeCollection,
|
|
/*B_UNIT_VELOCITY*/ nullptr,
|
|
/*B_UNIT_ACCELERATION*/ nullptr,
|
|
/*B_UNIT_CAMERA*/ nullptr,
|
|
/*B_UNIT_POWER*/ nullptr,
|
|
/*B_UNIT_TEMPERATURE*/ nullptr,
|
|
},
|
|
/* Metric. */
|
|
{
|
|
/*B_UNIT_NONE*/ nullptr,
|
|
/*B_UNIT_LENGTH*/ &buMetricLenCollection,
|
|
/*B_UNIT_AREA*/ &buMetricAreaCollection,
|
|
/*B_UNIT_VOLUME*/ &buMetricVolCollection,
|
|
/*B_UNIT_MASS*/ &buMetricMassCollection,
|
|
/*B_UNIT_ROTATION*/ &buNaturalRotCollection,
|
|
/*B_UNIT_TIME*/ &buNaturalTimeCollection,
|
|
/*B_UNIT_TIME_ABSOLUTE*/ &buNaturalTimeCollection,
|
|
/*B_UNIT_VELOCITY*/ &buMetricVelCollection,
|
|
/*B_UNIT_ACCELERATION*/ &buMetricAclCollection,
|
|
/*B_UNIT_CAMERA*/ &buCameraLenCollection,
|
|
/*B_UNIT_POWER*/ &buPowerCollection,
|
|
/*B_UNIT_TEMPERATURE*/ &buMetricTempCollection,
|
|
},
|
|
/* Imperial. */
|
|
{
|
|
/*B_UNIT_NONE*/ nullptr,
|
|
/*B_UNIT_LENGTH*/ &buImperialLenCollection,
|
|
/*B_UNIT_AREA*/ &buImperialAreaCollection,
|
|
/*B_UNIT_VOLUME*/ &buImperialVolCollection,
|
|
/*B_UNIT_MASS*/ &buImperialMassCollection,
|
|
/*B_UNIT_ROTATION*/ &buNaturalRotCollection,
|
|
/*B_UNIT_TIME*/ &buNaturalTimeCollection,
|
|
/*B_UNIT_TIME_ABSOLUTE*/ &buNaturalTimeCollection,
|
|
/*B_UNIT_VELOCITY*/ &buImperialVelCollection,
|
|
/*B_UNIT_ACCELERATION*/ &buImperialAclCollection,
|
|
/*B_UNIT_CAMERA*/ &buCameraLenCollection,
|
|
/*B_UNIT_POWER*/ &buPowerCollection,
|
|
/*B_UNIT_TEMPERATURE*/ &buImperialTempCollection,
|
|
},
|
|
{nullptr},
|
|
};
|
|
|
|
static const bUnitCollection *unit_get_system(int system, int type)
|
|
{
|
|
BLI_assert((system > -1) && (system < UNIT_SYSTEM_TOT) && (type > -1) &&
|
|
(type < B_UNIT_TYPE_TOT));
|
|
return bUnitSystems[system][type]; /* Select system to use: metric/imperial/other? */
|
|
}
|
|
|
|
static const bUnitDef *unit_default(const bUnitCollection *usys)
|
|
{
|
|
return &usys->units[usys->base_unit];
|
|
}
|
|
|
|
static const bUnitDef *unit_best_fit(double value,
|
|
const bUnitCollection *usys,
|
|
const bUnitDef *unit_start,
|
|
int suppress)
|
|
{
|
|
double value_abs = value > 0.0 ? value : -value;
|
|
|
|
for (const bUnitDef *unit = unit_start ? unit_start : usys->units; unit->name; unit++) {
|
|
|
|
if (suppress && (unit->flag & B_UNIT_DEF_SUPPRESS)) {
|
|
continue;
|
|
}
|
|
|
|
/* Scale down scalar so 1cm doesn't convert to 10mm because of float error. */
|
|
if (UNLIKELY(unit->flag & B_UNIT_DEF_TENTH)) {
|
|
if (value_abs >= unit->scalar * (0.1 - EPS)) {
|
|
return unit;
|
|
}
|
|
}
|
|
else {
|
|
if (value_abs >= unit->scalar * (1.0 - EPS)) {
|
|
return unit;
|
|
}
|
|
}
|
|
}
|
|
|
|
return unit_default(usys);
|
|
}
|
|
|
|
/* Convert into 2 units and 2 values for "2ft, 3inch" syntax. */
|
|
static void unit_dual_convert(double value,
|
|
const bUnitCollection *usys,
|
|
bUnitDef const **r_unit_a,
|
|
bUnitDef const **r_unit_b,
|
|
double *r_value_a,
|
|
double *r_value_b,
|
|
const bUnitDef *main_unit)
|
|
{
|
|
const bUnitDef *unit = (main_unit) ? main_unit : unit_best_fit(value, usys, nullptr, 1);
|
|
|
|
const double scaled_value = value / unit->scalar;
|
|
*r_value_a = (value < 0.0 ? ceil(scaled_value) : floor(scaled_value)) * unit->scalar;
|
|
*r_value_b = value - (*r_value_a);
|
|
|
|
*r_unit_a = unit;
|
|
*r_unit_b = unit_best_fit(*r_value_b, usys, *r_unit_a, 1);
|
|
}
|
|
|
|
static size_t unit_as_string(char *str,
|
|
int str_maxncpy,
|
|
double value,
|
|
int prec,
|
|
const bUnitCollection *usys,
|
|
/* Non exposed options. */
|
|
const bUnitDef *unit,
|
|
char pad)
|
|
{
|
|
if (unit == nullptr) {
|
|
if (value == 0.0) {
|
|
/* Use the default units since there is no way to convert. */
|
|
unit = unit_default(usys);
|
|
}
|
|
else {
|
|
unit = unit_best_fit(value, usys, nullptr, 1);
|
|
}
|
|
}
|
|
|
|
double value_conv = (value / unit->scalar) - unit->bias;
|
|
bool strip_skip = false;
|
|
|
|
/* Negative precision is used to disable stripping of zeroes.
|
|
* This reduces text jumping when changing values. */
|
|
if (prec < 0) {
|
|
strip_skip = true;
|
|
prec *= -1;
|
|
}
|
|
|
|
/* Adjust precision to expected number of significant digits.
|
|
* Note that here, we shall not have to worry about very big/small numbers, units are expected
|
|
* to replace 'scientific notation' in those cases. */
|
|
prec -= integer_digits_d(value_conv);
|
|
|
|
CLAMP(prec, 0, 6);
|
|
|
|
/* Convert to a string. */
|
|
size_t len = BLI_snprintf_rlen(str, str_maxncpy, "%.*f", prec, value_conv);
|
|
|
|
/* Add unit prefix and strip zeros. */
|
|
|
|
/* Replace trailing zero's with spaces so the number
|
|
* is less complicated but alignment in a button won't
|
|
* jump about while dragging. */
|
|
size_t i = len - 1;
|
|
|
|
if (prec > 0) {
|
|
if (!strip_skip) {
|
|
while (i > 0 && str[i] == '0') { /* 4.300 -> 4.3 */
|
|
str[i--] = pad;
|
|
}
|
|
|
|
if (i > 0 && str[i] == '.') { /* 10. -> 10 */
|
|
str[i--] = pad;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Now add a space for all units except foot, inch, degree, arcminute, arcsecond. */
|
|
if (!(unit->flag & B_UNIT_DEF_NO_SPACE)) {
|
|
str[++i] = ' ';
|
|
}
|
|
|
|
/* Now add the suffix. */
|
|
if (i < str_maxncpy) {
|
|
int j = 0;
|
|
i++;
|
|
while (unit->name_short[j] && (i < str_maxncpy)) {
|
|
str[i++] = unit->name_short[j++];
|
|
}
|
|
}
|
|
|
|
/* Terminate no matter what's done with padding above. */
|
|
if (i >= str_maxncpy) {
|
|
i = str_maxncpy - 1;
|
|
}
|
|
|
|
str[i] = '\0';
|
|
return i;
|
|
}
|
|
|
|
static bool unit_should_be_split(int type)
|
|
{
|
|
return ELEM(type, B_UNIT_LENGTH, B_UNIT_MASS, B_UNIT_TIME, B_UNIT_CAMERA);
|
|
}
|
|
|
|
struct PreferredUnits {
|
|
int system;
|
|
int rotation;
|
|
/* USER_UNIT_ADAPTIVE means none, otherwise the value is the index in the collection. */
|
|
int length;
|
|
int mass;
|
|
int time;
|
|
int temperature;
|
|
};
|
|
|
|
static PreferredUnits preferred_units_from_UnitSettings(const UnitSettings *settings)
|
|
{
|
|
PreferredUnits units = {0};
|
|
units.system = settings->system;
|
|
units.rotation = settings->system_rotation;
|
|
units.length = settings->length_unit;
|
|
units.mass = settings->mass_unit;
|
|
units.time = settings->time_unit;
|
|
units.temperature = settings->temperature_unit;
|
|
return units;
|
|
}
|
|
|
|
static size_t unit_as_string_split_pair(char *str,
|
|
int str_maxncpy,
|
|
double value,
|
|
int prec,
|
|
const bUnitCollection *usys,
|
|
const bUnitDef *main_unit)
|
|
{
|
|
const bUnitDef *unit_a, *unit_b;
|
|
double value_a, value_b;
|
|
unit_dual_convert(value, usys, &unit_a, &unit_b, &value_a, &value_b, main_unit);
|
|
|
|
/* Check the 2 is a smaller unit. */
|
|
if (unit_b > unit_a) {
|
|
size_t i = unit_as_string(str, str_maxncpy, value_a, prec, usys, unit_a, '\0');
|
|
|
|
prec -= integer_digits_d(value_a / unit_b->scalar) -
|
|
integer_digits_d(value_b / unit_b->scalar);
|
|
prec = max_ii(prec, 0);
|
|
|
|
/* Is there enough space for at least 1 char of the next unit? */
|
|
if (i + 2 < str_maxncpy) {
|
|
str[i++] = ' ';
|
|
|
|
/* Use low precision since this is a smaller unit. */
|
|
i += unit_as_string(str + i, str_maxncpy - i, value_b, prec, usys, unit_b, '\0');
|
|
}
|
|
return i;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static bool is_valid_unit_collection(const bUnitCollection *usys)
|
|
{
|
|
return usys != nullptr && usys->units[0].name != nullptr;
|
|
}
|
|
|
|
static const bUnitDef *get_preferred_display_unit_if_used(int type, PreferredUnits units)
|
|
{
|
|
const bUnitCollection *usys = unit_get_system(units.system, type);
|
|
if (!is_valid_unit_collection(usys)) {
|
|
return nullptr;
|
|
}
|
|
|
|
int max_offset = usys->length - 1;
|
|
|
|
switch (type) {
|
|
case B_UNIT_LENGTH:
|
|
case B_UNIT_AREA:
|
|
case B_UNIT_VOLUME:
|
|
if (units.length == USER_UNIT_ADAPTIVE) {
|
|
return nullptr;
|
|
}
|
|
return usys->units + std::min(units.length, max_offset);
|
|
case B_UNIT_MASS:
|
|
if (units.mass == USER_UNIT_ADAPTIVE) {
|
|
return nullptr;
|
|
}
|
|
return usys->units + std::min(units.mass, max_offset);
|
|
case B_UNIT_TIME:
|
|
if (units.time == USER_UNIT_ADAPTIVE) {
|
|
return nullptr;
|
|
}
|
|
return usys->units + std::min(units.time, max_offset);
|
|
case B_UNIT_ROTATION:
|
|
if (units.rotation == 0) {
|
|
return usys->units + 0;
|
|
}
|
|
else if (units.rotation == USER_UNIT_ROT_RADIANS) {
|
|
return usys->units + 3;
|
|
}
|
|
break;
|
|
case B_UNIT_TEMPERATURE:
|
|
if (units.temperature == USER_UNIT_ADAPTIVE) {
|
|
return nullptr;
|
|
}
|
|
return usys->units + std::min(units.temperature, max_offset);
|
|
default:
|
|
break;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
/* Return the length of the generated string. */
|
|
static size_t unit_as_string_main(char *str,
|
|
int str_maxncpy,
|
|
double value,
|
|
int prec,
|
|
int type,
|
|
bool split,
|
|
bool pad,
|
|
PreferredUnits units)
|
|
{
|
|
const bUnitCollection *usys = unit_get_system(units.system, type);
|
|
const bUnitDef *main_unit = nullptr;
|
|
|
|
if (!is_valid_unit_collection(usys)) {
|
|
usys = &buDummyCollection;
|
|
}
|
|
else {
|
|
main_unit = get_preferred_display_unit_if_used(type, units);
|
|
}
|
|
|
|
if (split && unit_should_be_split(type)) {
|
|
int length = unit_as_string_split_pair(str, str_maxncpy, value, prec, usys, main_unit);
|
|
/* Failed when length is negative, fallback to no split. */
|
|
if (length >= 0) {
|
|
return length;
|
|
}
|
|
}
|
|
|
|
return unit_as_string(str, str_maxncpy, value, prec, usys, main_unit, pad ? ' ' : '\0');
|
|
}
|
|
|
|
size_t BKE_unit_value_as_string_adaptive(
|
|
char *str, int str_maxncpy, double value, int prec, int system, int type, bool split, bool pad)
|
|
{
|
|
PreferredUnits units;
|
|
units.system = system;
|
|
units.rotation = 0;
|
|
units.length = USER_UNIT_ADAPTIVE;
|
|
units.mass = USER_UNIT_ADAPTIVE;
|
|
units.time = USER_UNIT_ADAPTIVE;
|
|
units.temperature = USER_UNIT_ADAPTIVE;
|
|
return unit_as_string_main(str, str_maxncpy, value, prec, type, split, pad, units);
|
|
}
|
|
|
|
size_t BKE_unit_value_as_string(char *str,
|
|
int str_maxncpy,
|
|
double value,
|
|
int prec,
|
|
int type,
|
|
const UnitSettings *settings,
|
|
bool pad)
|
|
{
|
|
bool do_split = (settings->flag & USER_UNIT_OPT_SPLIT) != 0;
|
|
PreferredUnits units = preferred_units_from_UnitSettings(settings);
|
|
return unit_as_string_main(str, str_maxncpy, value, prec, type, do_split, pad, units);
|
|
}
|
|
|
|
BLI_INLINE bool isalpha_or_utf8(const int ch)
|
|
{
|
|
return (ch >= 128 || isalpha(ch));
|
|
}
|
|
|
|
static const char *unit_find_str(const char *str, const char *substr, bool case_sensitive)
|
|
{
|
|
if (substr == nullptr || substr[0] == '\0') {
|
|
return nullptr;
|
|
}
|
|
|
|
while (true) {
|
|
/* Unit detection is case insensitive. */
|
|
const char *str_found;
|
|
if (case_sensitive) {
|
|
str_found = strstr(str, substr);
|
|
}
|
|
else {
|
|
str_found = BLI_strcasestr(str, substr);
|
|
}
|
|
|
|
if (str_found) {
|
|
/* Previous char cannot be a letter. */
|
|
if (str_found == str ||
|
|
/* Weak unicode support!, so "µm" won't match up be replaced by "m"
|
|
* since non ascii utf8 values will NEVER return true */
|
|
isalpha_or_utf8(*BLI_str_find_prev_char_utf8(str_found, str)) == 0)
|
|
{
|
|
/* Next char cannot be alpha-numeric. */
|
|
int len_name = strlen(substr);
|
|
|
|
if (!isalpha_or_utf8(*(str_found + len_name))) {
|
|
return str_found;
|
|
}
|
|
}
|
|
/* If str_found is not a valid unit, we have to check further in the string... */
|
|
for (str_found++; isalpha_or_utf8(*str_found); str_found++) {
|
|
/* Pass. */
|
|
}
|
|
str = str_found;
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
/* Note that numbers are added within brackets.
|
|
* ") " - is used to detect numbers we added so we can detect if commas need to be added.
|
|
*
|
|
* "1m1cm+2mm" - Original value.
|
|
* "1*1#1*0.01#+2*0.001#" - Replace numbers.
|
|
* "1*1+1*0.01 +2*0.001 " - Add plus signs if ( + - * / | & ~ < > ^ ! = % ) not found in between.
|
|
*/
|
|
|
|
/* Not too strict, (+ - * /) are most common. */
|
|
static bool ch_is_op(char op)
|
|
{
|
|
switch (op) {
|
|
case '+':
|
|
case '-':
|
|
case '*':
|
|
case '/':
|
|
case '|':
|
|
case '&':
|
|
case '~':
|
|
case '<':
|
|
case '>':
|
|
case '^':
|
|
case '!':
|
|
case '=':
|
|
case '%':
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Helper function for #unit_distribute_negatives to find the next negative to distribute.
|
|
*
|
|
* \note This unnecessarily skips the next space if it comes right after the "-"
|
|
* just to make a more predictable output.
|
|
*/
|
|
static const char *find_next_negative(const char *str, const char *remaining_str)
|
|
{
|
|
const char *str_found = strstr(remaining_str, "-");
|
|
|
|
if (str_found == nullptr) {
|
|
return nullptr;
|
|
}
|
|
|
|
/* Don't use the "-" from scientific notation, but make sure we can look backwards first. */
|
|
if ((str_found != str) && ELEM(*(str_found - 1), 'e', 'E')) {
|
|
return find_next_negative(str, str_found + 1);
|
|
}
|
|
|
|
if (*(str_found + 1) == ' ') {
|
|
str_found++;
|
|
}
|
|
|
|
return str_found + 1;
|
|
}
|
|
|
|
/**
|
|
* Helper function for #unit_distribute_negatives to find the next operation, including "-".
|
|
*
|
|
* \note This unnecessarily skips the space before the operation character
|
|
* just to make a more predictable output.
|
|
*/
|
|
static char *find_next_op(const char *str, char *remaining_str, int remaining_str_maxncpy)
|
|
{
|
|
int i;
|
|
for (i = 0; i < remaining_str_maxncpy; i++) {
|
|
if (remaining_str[i] == '\0') {
|
|
return remaining_str + i;
|
|
}
|
|
|
|
if (ch_is_op(remaining_str[i])) {
|
|
/* Make sure we don't look backwards before the start of the string. */
|
|
if (remaining_str != str && i != 0) {
|
|
/* Check for velocity or acceleration (e.g. '/' in 'ft/s' is not an op). */
|
|
if ((remaining_str[i] == '/') && ELEM(remaining_str[i - 1], 't', 'T', 'm', 'M') &&
|
|
ELEM(remaining_str[i + 1], 's', 'S'))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
/* Check for scientific notation. */
|
|
if (ELEM(remaining_str[i - 1], 'e', 'E')) {
|
|
continue;
|
|
}
|
|
|
|
/* Return position before a space character. */
|
|
if (remaining_str[i - 1] == ' ') {
|
|
i--;
|
|
}
|
|
}
|
|
|
|
return remaining_str + i;
|
|
}
|
|
}
|
|
BLI_assert_msg(0, "String should be nullptr terminated");
|
|
return remaining_str + i;
|
|
}
|
|
|
|
/**
|
|
* Put parentheses around blocks of values after negative signs to get rid of an implied "+"
|
|
* between numbers without an operation between them. For example:
|
|
*
|
|
* "-1m50cm + 1 - 2m50cm" -> "-(1m50cm) + 1 - (2m50cm)"
|
|
*/
|
|
static bool unit_distribute_negatives(char *str, const int str_maxncpy)
|
|
{
|
|
bool changed = false;
|
|
|
|
char *remaining_str = str;
|
|
while ((remaining_str = const_cast<char *>(find_next_negative(str, remaining_str))) != nullptr) {
|
|
int remaining_str_maxncpy;
|
|
/* Exit early in the unlikely situation that we've run out of length to add the parentheses. */
|
|
remaining_str_maxncpy = str_maxncpy - int(remaining_str - str);
|
|
if (remaining_str_maxncpy <= 2) {
|
|
return changed;
|
|
}
|
|
|
|
changed = true;
|
|
|
|
/* Add '(', shift the following characters to the right to make space. */
|
|
memmove(remaining_str + 1, remaining_str, remaining_str_maxncpy - 2);
|
|
*remaining_str = '(';
|
|
|
|
/* Add the ')' before the next operation or at the end. */
|
|
remaining_str = find_next_op(str, remaining_str + 1, remaining_str_maxncpy);
|
|
remaining_str_maxncpy = str_maxncpy - int(remaining_str - str);
|
|
memmove(remaining_str + 1, remaining_str, remaining_str_maxncpy - 2);
|
|
*remaining_str = ')';
|
|
|
|
/* Only move forward by 1 even though we added two characters. Minus signs need to be able to
|
|
* apply to the next block of values too. */
|
|
remaining_str += 1;
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
/**
|
|
* Helper for #unit_scale_str for the process of correctly applying the order of operations
|
|
* for the unit's bias term.
|
|
*/
|
|
static int find_previous_non_value_char(const char *str, const int start_ofs)
|
|
{
|
|
for (int i = start_ofs; i > 0; i--) {
|
|
if (ch_is_op(str[i - 1]) || strchr("( )", str[i - 1])) {
|
|
return i;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Helper for #unit_scale_str for the process of correctly applying the order of operations
|
|
* for the unit's bias term.
|
|
*/
|
|
static int find_end_of_value_chars(const char *str, const int str_maxncpy, const int start_ofs)
|
|
{
|
|
int i;
|
|
for (i = start_ofs; i < str_maxncpy; i++) {
|
|
if (!strchr("0123456789eE.", str[i])) {
|
|
return i;
|
|
}
|
|
}
|
|
return i;
|
|
}
|
|
|
|
static int unit_scale_str(char *str,
|
|
int str_maxncpy,
|
|
char *str_tmp,
|
|
double scale_pref,
|
|
const bUnitDef *unit,
|
|
const char *replace_str,
|
|
bool case_sensitive)
|
|
{
|
|
if (str_maxncpy < 0) {
|
|
return 0;
|
|
}
|
|
|
|
/* XXX: investigate, does not respect str_maxncpy properly. */
|
|
char *str_found = (char *)unit_find_str(str, replace_str, case_sensitive);
|
|
|
|
if (str_found == nullptr) {
|
|
return 0;
|
|
}
|
|
|
|
int found_ofs = int(str_found - str);
|
|
|
|
int len = strlen(str);
|
|
|
|
/* Deal with unit bias for temperature units. Order of operations is important, so we
|
|
* have to add parentheses, add the bias, then multiply by the scalar like usual.
|
|
*
|
|
* NOTE: If these changes don't fit in the buffer properly unit evaluation has failed,
|
|
* just try not to destroy anything while failing. */
|
|
if (unit->bias != 0.0) {
|
|
/* Add the open parenthesis. */
|
|
int prev_op_ofs = find_previous_non_value_char(str, found_ofs);
|
|
if (len + 1 < str_maxncpy) {
|
|
memmove(str + prev_op_ofs + 1, str + prev_op_ofs, len - prev_op_ofs + 1);
|
|
str[prev_op_ofs] = '(';
|
|
len++;
|
|
found_ofs++;
|
|
str_found++;
|
|
} /* If this doesn't fit, we have failed. */
|
|
|
|
/* Add the addition sign, the bias, and the close parenthesis after the value. */
|
|
int value_end_ofs = find_end_of_value_chars(str, str_maxncpy, prev_op_ofs + 2);
|
|
int len_bias_num = BLI_snprintf_rlen(str_tmp, TEMP_STR_SIZE, "+%.9g)", unit->bias);
|
|
if (value_end_ofs + len_bias_num < str_maxncpy) {
|
|
memmove(str + value_end_ofs + len_bias_num, str + value_end_ofs, len - value_end_ofs + 1);
|
|
memcpy(str + value_end_ofs, str_tmp, len_bias_num);
|
|
len += len_bias_num;
|
|
found_ofs += len_bias_num;
|
|
str_found += len_bias_num;
|
|
} /* If this doesn't fit, we have failed. */
|
|
}
|
|
|
|
int len_name = strlen(replace_str);
|
|
int len_move = (len - (found_ofs + len_name)) + 1; /* 1+ to copy the string terminator. */
|
|
|
|
/* "#" Removed later */
|
|
int len_num = BLI_snprintf_rlen(
|
|
str_tmp, TEMP_STR_SIZE, "*%.9g" SEP_STR, unit->scalar / scale_pref);
|
|
|
|
if (len_num > str_maxncpy) {
|
|
len_num = str_maxncpy;
|
|
}
|
|
|
|
if (found_ofs + len_num + len_move > str_maxncpy) {
|
|
/* Can't move the whole string, move just as much as will fit. */
|
|
len_move -= (found_ofs + len_num + len_move) - str_maxncpy;
|
|
}
|
|
|
|
if (len_move > 0) {
|
|
/* Resize the last part of the string.
|
|
* May grow or shrink the string. */
|
|
memmove(str_found + len_num, str_found + len_name, len_move);
|
|
}
|
|
|
|
if (found_ofs + len_num > str_maxncpy) {
|
|
/* Not even the number will fit into the string, only copy part of it. */
|
|
len_num -= (found_ofs + len_num) - str_maxncpy;
|
|
}
|
|
|
|
if (len_num > 0) {
|
|
/* It's possible none of the number could be copied in. */
|
|
memcpy(str_found, str_tmp, len_num); /* Without the string terminator. */
|
|
}
|
|
|
|
/* Since the null terminator won't be moved if the stringlen_max
|
|
* was not long enough to fit everything in it. */
|
|
str[str_maxncpy - 1] = '\0';
|
|
return found_ofs + len_num;
|
|
}
|
|
|
|
static int unit_replace(
|
|
char *str, int str_maxncpy, char *str_tmp, double scale_pref, const bUnitDef *unit)
|
|
{
|
|
const bool case_sensitive = (unit->flag & B_UNIT_DEF_CASE_SENSITIVE) != 0;
|
|
int ofs = 0;
|
|
ofs += unit_scale_str(
|
|
str + ofs, str_maxncpy - ofs, str_tmp, scale_pref, unit, unit->name_short, case_sensitive);
|
|
ofs += unit_scale_str(
|
|
str + ofs, str_maxncpy - ofs, str_tmp, scale_pref, unit, unit->name_plural, false);
|
|
ofs += unit_scale_str(
|
|
str + ofs, str_maxncpy - ofs, str_tmp, scale_pref, unit, unit->name_alt, case_sensitive);
|
|
ofs += unit_scale_str(
|
|
str + ofs, str_maxncpy - ofs, str_tmp, scale_pref, unit, unit->name, false);
|
|
return ofs;
|
|
}
|
|
|
|
static bool unit_find(const char *str, const bUnitDef *unit)
|
|
{
|
|
const bool case_sensitive = (unit->flag & B_UNIT_DEF_CASE_SENSITIVE) != 0;
|
|
if (unit_find_str(str, unit->name_short, case_sensitive)) {
|
|
return true;
|
|
}
|
|
if (unit_find_str(str, unit->name_plural, false)) {
|
|
return true;
|
|
}
|
|
if (unit_find_str(str, unit->name_alt, case_sensitive)) {
|
|
return true;
|
|
}
|
|
if (unit_find_str(str, unit->name, false)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static const bUnitDef *unit_find_in_collection(const bUnitCollection *usys, const char *str)
|
|
{
|
|
for (const bUnitDef *unit = usys->units; unit->name; unit++) {
|
|
if (unit_find(str, unit)) {
|
|
return unit;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
/**
|
|
* Try to find a default unit from current or previous string.
|
|
* This allows us to handle cases like 2 + 2mm, people would expect to get 4mm, not 2.002m!
|
|
* \note This does not handle corner cases like 2 + 2cm + 1 + 2.5mm... We can't support
|
|
* everything.
|
|
*/
|
|
static const bUnitDef *unit_detect_from_str(const bUnitCollection *usys,
|
|
const char *str,
|
|
const char *str_prev)
|
|
{
|
|
/* See which units the new value has. */
|
|
const bUnitDef *unit = unit_find_in_collection(usys, str);
|
|
/* Else, try to infer the default unit from the previous string. */
|
|
if (str_prev && (unit == nullptr)) {
|
|
/* See which units the original value had. */
|
|
unit = unit_find_in_collection(usys, str_prev);
|
|
}
|
|
/* Else, fall back to default unit. */
|
|
if (unit == nullptr) {
|
|
unit = unit_default(usys);
|
|
}
|
|
|
|
return unit;
|
|
}
|
|
|
|
bool BKE_unit_string_contains_unit(const char *str, int type)
|
|
{
|
|
for (int system = 0; system < UNIT_SYSTEM_TOT; system++) {
|
|
const bUnitCollection *usys = unit_get_system(system, type);
|
|
if (!is_valid_unit_collection(usys)) {
|
|
continue;
|
|
}
|
|
if (unit_find_in_collection(usys, str)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
double BKE_unit_apply_preferred_unit(const UnitSettings *settings, int type, double value)
|
|
{
|
|
PreferredUnits units = preferred_units_from_UnitSettings(settings);
|
|
const bUnitDef *unit = get_preferred_display_unit_if_used(type, units);
|
|
|
|
const double scalar = (unit == nullptr) ? BKE_unit_base_scalar(units.system, type) :
|
|
unit->scalar;
|
|
const double bias = (unit == nullptr) ? 0.0 : unit->bias; /* Base unit shouldn't have a bias. */
|
|
|
|
return value * scalar + bias;
|
|
}
|
|
|
|
bool BKE_unit_replace_string(
|
|
char *str, int str_maxncpy, const char *str_prev, double scale_pref, int system, int type)
|
|
{
|
|
const bUnitCollection *usys = unit_get_system(system, type);
|
|
if (!is_valid_unit_collection(usys)) {
|
|
return false;
|
|
}
|
|
|
|
double scale_pref_base = scale_pref;
|
|
char str_tmp[TEMP_STR_SIZE];
|
|
bool changed = false;
|
|
|
|
/* Fix cases like "-1m50cm" which would evaluate to -0.5m without this. */
|
|
changed |= unit_distribute_negatives(str, str_maxncpy);
|
|
|
|
/* Try to find a default unit from current or previous string. */
|
|
const bUnitDef *default_unit = unit_detect_from_str(usys, str, str_prev);
|
|
|
|
/* We apply the default unit to the whole expression (default unit is now the reference
|
|
* '1.0' one). */
|
|
scale_pref_base *= default_unit->scalar;
|
|
|
|
/* Apply the default unit on the whole expression, this allows to handle nasty cases like
|
|
* '2+2in'. */
|
|
if (SNPRINTF(str_tmp, "(%s)*%.9g", str, default_unit->scalar) < sizeof(str_tmp)) {
|
|
BLI_strncpy(str, str_tmp, str_maxncpy);
|
|
}
|
|
else {
|
|
/* BLI_snprintf would not fit into str_tmp, can't do much in this case.
|
|
* Check for this because otherwise BKE_unit_replace_string could call itself forever. */
|
|
return changed;
|
|
}
|
|
|
|
for (const bUnitDef *unit = usys->units; unit->name; unit++) {
|
|
/* In case there are multiple instances. */
|
|
while (unit_replace(str, str_maxncpy, str_tmp, scale_pref_base, unit)) {
|
|
changed = true;
|
|
}
|
|
}
|
|
|
|
/* Try other unit systems now, so we can evaluate imperial when metric is set for eg. */
|
|
/* Note that checking other systems at that point means we do not support their units as
|
|
* 'default' one. In other words, when in metrics, typing '2+2in' will give 2 meters 2 inches,
|
|
* not 4 inches. I do think this is the desired behavior!
|
|
*/
|
|
for (int system_iter = 0; system_iter < UNIT_SYSTEM_TOT; system_iter++) {
|
|
if (system_iter == system) {
|
|
continue;
|
|
}
|
|
const bUnitCollection *usys_iter = unit_get_system(system_iter, type);
|
|
if (usys_iter == nullptr) {
|
|
continue;
|
|
}
|
|
|
|
for (const bUnitDef *unit = usys_iter->units; unit->name; unit++) {
|
|
int ofs = 0;
|
|
/* In case there are multiple instances. */
|
|
while ((ofs = unit_replace(str + ofs, str_maxncpy - ofs, str_tmp, scale_pref_base, unit))) {
|
|
changed = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Replace # with add sign when there is no operator between it and the next number.
|
|
*
|
|
* "1*1# 3*100# * 3" -> "1*1+ 3*100 * 3"
|
|
*/
|
|
{
|
|
char *str_found = str;
|
|
|
|
while ((str_found = strchr(str_found, SEP_CHR))) {
|
|
bool op_found = false;
|
|
|
|
/* Any operators after this? */
|
|
for (const char *ch = str_found + 1; *ch != '\0'; ch++) {
|
|
if (ELEM(*ch, ' ', '\t')) {
|
|
continue;
|
|
}
|
|
op_found = (ch_is_op(*ch) || ELEM(*ch, ',', ')'));
|
|
break;
|
|
}
|
|
|
|
/* If found an op, comma or closing parenthesis, no need to insert a '+', else we need it. */
|
|
*str_found++ = op_found ? ' ' : '+';
|
|
}
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
void BKE_unit_name_to_alt(char *str, int str_maxncpy, const char *orig_str, int system, int type)
|
|
{
|
|
const bUnitCollection *usys = unit_get_system(system, type);
|
|
|
|
/* Find and substitute all units. */
|
|
for (const bUnitDef *unit = usys->units; unit->name && (str_maxncpy > 0); unit++) {
|
|
if (unit->name_alt == nullptr) {
|
|
continue;
|
|
}
|
|
const bool case_sensitive = (unit->flag & B_UNIT_DEF_CASE_SENSITIVE) != 0;
|
|
const char *found = unit_find_str(orig_str, unit->name_short, case_sensitive);
|
|
if (found == nullptr) {
|
|
continue;
|
|
}
|
|
|
|
int offset = int(found - orig_str);
|
|
|
|
/* Copy everything before the unit. */
|
|
if (offset < str_maxncpy) {
|
|
memcpy(str, orig_str, offset);
|
|
}
|
|
else {
|
|
BLI_strncpy(str, orig_str, str_maxncpy);
|
|
offset = str_maxncpy;
|
|
}
|
|
|
|
str += offset;
|
|
orig_str += offset + strlen(unit->name_short);
|
|
str_maxncpy -= offset;
|
|
|
|
/* Print the alt_name. */
|
|
const int len_name = BLI_strncpy_rlen(str, unit->name_alt, str_maxncpy);
|
|
BLI_assert(len_name < str_maxncpy);
|
|
str += len_name;
|
|
str_maxncpy -= len_name;
|
|
}
|
|
|
|
/* Finally copy the rest of the string. */
|
|
BLI_strncpy(str, orig_str, str_maxncpy);
|
|
}
|
|
|
|
double BKE_unit_closest_scalar(double value, int system, int type)
|
|
{
|
|
const bUnitCollection *usys = unit_get_system(system, type);
|
|
|
|
if (usys == nullptr) {
|
|
return -1;
|
|
}
|
|
|
|
const bUnitDef *unit = unit_best_fit(value, usys, nullptr, 1);
|
|
if (unit == nullptr) {
|
|
return -1;
|
|
}
|
|
|
|
return unit->scalar;
|
|
}
|
|
|
|
double BKE_unit_base_scalar(int system, int type)
|
|
{
|
|
const bUnitCollection *usys = unit_get_system(system, type);
|
|
if (usys) {
|
|
return unit_default(usys)->scalar;
|
|
}
|
|
|
|
return 1.0;
|
|
}
|
|
|
|
bool BKE_unit_is_valid(int system, int type)
|
|
{
|
|
return !(system < 0 || system > UNIT_SYSTEM_TOT || type < 0 || type > B_UNIT_TYPE_TOT);
|
|
}
|
|
|
|
void BKE_unit_system_get(int system, int type, void const **r_usys_pt, int *r_len)
|
|
{
|
|
const bUnitCollection *usys = unit_get_system(system, type);
|
|
*r_usys_pt = usys;
|
|
|
|
if (usys == nullptr) {
|
|
*r_len = 0;
|
|
return;
|
|
}
|
|
|
|
*r_len = usys->length;
|
|
}
|
|
|
|
int BKE_unit_base_get(const void *usys_pt)
|
|
{
|
|
return ((bUnitCollection *)usys_pt)->base_unit;
|
|
}
|
|
|
|
int BKE_unit_base_of_type_get(int system, int type)
|
|
{
|
|
return unit_get_system(system, type)->base_unit;
|
|
}
|
|
|
|
const char *BKE_unit_name_get(const void *usys_pt, int index)
|
|
{
|
|
const bUnitCollection *usys = static_cast<const bUnitCollection *>(usys_pt);
|
|
BLI_assert(uint(index) < uint(usys->length));
|
|
return usys->units[index].name;
|
|
}
|
|
const char *BKE_unit_display_name_get(const void *usys_pt, int index)
|
|
{
|
|
const bUnitCollection *usys = static_cast<const bUnitCollection *>(usys_pt);
|
|
BLI_assert(uint(index) < uint(usys->length));
|
|
return usys->units[index].name_display;
|
|
}
|
|
const char *BKE_unit_identifier_get(const void *usys_pt, int index)
|
|
{
|
|
const bUnitCollection *usys = static_cast<const bUnitCollection *>(usys_pt);
|
|
BLI_assert(uint(index) < uint(usys->length));
|
|
const bUnitDef *unit = &usys->units[index];
|
|
if (unit->identifier == nullptr) {
|
|
BLI_assert_msg(0, "identifier for this unit is not specified yet");
|
|
}
|
|
return unit->identifier;
|
|
}
|
|
|
|
double BKE_unit_scalar_get(const void *usys_pt, int index)
|
|
{
|
|
const bUnitCollection *usys = static_cast<const bUnitCollection *>(usys_pt);
|
|
BLI_assert(uint(index) < uint(usys->length));
|
|
return usys->units[index].scalar;
|
|
}
|
|
|
|
bool BKE_unit_is_suppressed(const void *usys_pt, int index)
|
|
{
|
|
const bUnitCollection *usys = static_cast<const bUnitCollection *>(usys_pt);
|
|
BLI_assert(uint(index) < uint(usys->length));
|
|
return (usys->units[index].flag & B_UNIT_DEF_SUPPRESS) != 0;
|
|
}
|