--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/misc.cpp Wed May 08 15:19:06 2013 +0300
@@ -0,0 +1,277 @@
+/*
+ * LDForge: LDraw parts authoring CAD
+ * Copyright (C) 2013 Santeri Piippo
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <math.h>
+#include <locale.h>
+#include <qcolor.h>
+#include "common.h"
+#include "misc.h"
+#include "gui.h"
+
+// Prime number table.
+const ushort g_uaPrimes[NUM_PRIMES] = {
+ 2, 3, 5, 7, 11, 13, 17, 19, 23, 29,
+ 31, 37, 41, 43, 47, 53, 59, 61, 67, 71,
+ 73, 79, 83, 89, 97, 101, 103, 107, 109, 113,
+ 127, 131, 137, 139, 149, 151, 157, 163, 167, 173,
+ 179, 181, 191, 193, 197, 199, 211, 223, 227, 229,
+ 233, 239, 241, 251, 257, 263, 269, 271, 277, 281,
+ 283, 293, 307, 311, 313, 317, 331, 337, 347, 349,
+ 353, 359, 367, 373, 379, 383, 389, 397, 401, 409,
+ 419, 421, 431, 433, 439, 443, 449, 457, 461, 463,
+ 467, 479, 487, 491, 499, 503, 509, 521, 523, 541,
+ 547, 557, 563, 569, 571, 577, 587, 593, 599, 601,
+ 607, 613, 617, 619, 631, 641, 643, 647, 653, 659,
+ 661, 673, 677, 683, 691, 701, 709, 719, 727, 733,
+ 739, 743, 751, 757, 761, 769, 773, 787, 797, 809,
+ 811, 821, 823, 827, 829, 839, 853, 857, 859, 863,
+ 877, 881, 883, 887, 907, 911, 919, 929, 937, 941,
+ 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013,
+ 1019, 1021, 1031, 1033, 1039, 1049, 1051, 1061, 1063, 1069,
+ 1087, 1091, 1093, 1097, 1103, 1109, 1117, 1123, 1129, 1151,
+ 1153, 1163, 1171, 1181, 1187, 1193, 1201, 1213, 1217, 1223,
+ 1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1289, 1291,
+ 1297, 1301, 1303, 1307, 1319, 1321, 1327, 1361, 1367, 1373,
+ 1381, 1399, 1409, 1423, 1427, 1429, 1433, 1439, 1447, 1451,
+ 1453, 1459, 1471, 1481, 1483, 1487, 1489, 1493, 1499, 1511,
+ 1523, 1531, 1543, 1549, 1553, 1559, 1567, 1571, 1579, 1583,
+ 1597, 1601, 1607, 1609, 1613, 1619, 1621, 1627, 1637, 1657,
+ 1663, 1667, 1669, 1693, 1697, 1699, 1709, 1721, 1723, 1733,
+ 1741, 1747, 1753, 1759, 1777, 1783, 1787, 1789, 1801, 1811,
+ 1823, 1831, 1847, 1861, 1867, 1871, 1873, 1877, 1879, 1889,
+ 1901, 1907, 1913, 1931, 1933, 1949, 1951, 1973, 1979, 1987,
+ 1993, 1997, 1999, 2003, 2011, 2017, 2027, 2029, 2039, 2053,
+ 2063, 2069, 2081, 2083, 2087, 2089, 2099, 2111, 2113, 2129,
+ 2131, 2137, 2141, 2143, 2153, 2161, 2179, 2203, 2207, 2213,
+ 2221, 2237, 2239, 2243, 2251, 2267, 2269, 2273, 2281, 2287,
+ 2293, 2297, 2309, 2311, 2333, 2339, 2341, 2347, 2351, 2357,
+ 2371, 2377, 2381, 2383, 2389, 2393, 2399, 2411, 2417, 2423,
+ 2437, 2441, 2447, 2459, 2467, 2473, 2477, 2503, 2521, 2531,
+ 2539, 2543, 2549, 2551, 2557, 2579, 2591, 2593, 2609, 2617,
+ 2621, 2633, 2647, 2657, 2659, 2663, 2671, 2677, 2683, 2687,
+ 2689, 2693, 2699, 2707, 2711, 2713, 2719, 2729, 2731, 2741,
+ 2749, 2753, 2767, 2777, 2789, 2791, 2797, 2801, 2803, 2819,
+ 2833, 2837, 2843, 2851, 2857, 2861, 2879, 2887, 2897, 2903,
+ 2909, 2917, 2927, 2939, 2953, 2957, 2963, 2969, 2971, 2999,
+ 3001, 3011, 3019, 3023, 3037, 3041, 3049, 3061, 3067, 3079,
+ 3083, 3089, 3109, 3119, 3121, 3137, 3163, 3167, 3169, 3181,
+ 3187, 3191, 3203, 3209, 3217, 3221, 3229, 3251, 3253, 3257,
+ 3259, 3271, 3299, 3301, 3307, 3313, 3319, 3323, 3329, 3331,
+ 3343, 3347, 3359, 3361, 3371, 3373, 3389, 3391, 3407, 3413,
+ 3433, 3449, 3457, 3461, 3463, 3467, 3469, 3491, 3499, 3511,
+ 3517, 3527, 3529, 3533, 3539, 3541, 3547, 3557, 3559, 3571,
+};
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+// Grid stuff
+cfg (int, grid, Grid::Medium);
+EXTERN_ACTION (gridCoarse)
+EXTERN_ACTION (gridMedium)
+EXTERN_ACTION (gridFine)
+
+cfg (float, grid_coarse_x, 5.0f);
+cfg (float, grid_coarse_y, 5.0f);
+cfg (float, grid_coarse_z, 5.0f);
+cfg (float, grid_coarse_angle, 45.0f);
+cfg (float, grid_medium_x, 1.0f);
+cfg (float, grid_medium_y, 1.0f);
+cfg (float, grid_medium_z, 1.0f);
+cfg (float, grid_medium_angle, 22.5f);
+cfg (float, grid_fine_x, 0.1f);
+cfg (float, grid_fine_y, 0.1f);
+cfg (float, grid_fine_z, 0.1f);
+cfg (float, grid_fine_angle, 7.5f);
+
+const gridinfo g_GridInfo[3] = {
+ { "Coarse", { &grid_coarse_x, &grid_coarse_y, &grid_coarse_z, &grid_coarse_angle }, &ACTION (gridCoarse) },
+ { "Medium", { &grid_medium_x, &grid_medium_y, &grid_medium_z, &grid_medium_angle }, &ACTION (gridMedium) },
+ { "Fine", { &grid_fine_x, &grid_fine_y, &grid_fine_z, &grid_fine_angle }, &ACTION (gridFine) }
+};
+
+// =============================================================================
+double Grid::snap (double in, const Grid::Config axis) {
+ const double gridval = currentGrid ().confs[axis]->value;
+ const long mult = abs (in / gridval);
+ const bool neg = (in < 0);
+
+ double out = mult * gridval;
+
+ if (abs<double> (in) - (mult * gridval) > gridval / 2)
+ out += gridval;
+
+ if (neg && out != 0)
+ out *= -1;
+
+ return out;
+}
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+str ftoa (double fCoord) {
+ // Disable the locale first so that the decimal point will not
+ // turn into anything weird (like commas)
+ setlocale (LC_NUMERIC, "C");
+
+ str zRep = fmt ("%f", fCoord);
+
+ // Remove trailing zeroes
+ while (zRep[~zRep - 1] == '0')
+ zRep -= 1;
+
+ // If there was only zeroes in the decimal place, remove
+ // the decimal point now.
+ if (zRep[~zRep - 1] == '.')
+ zRep -= 1;
+
+ return zRep;
+}
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+bool isNumber (str& zToken) {
+ char* cpPointer = &zToken[0];
+ bool bGotDot = false;
+
+ // Allow leading hyphen for negatives
+ if (*cpPointer == '-')
+ cpPointer++;
+
+ while (*cpPointer != '\0') {
+ if (*cpPointer == '.' && !bGotDot) {
+ // Decimal point
+ bGotDot = true;
+ cpPointer++;
+ continue;
+ }
+
+ if (*cpPointer >= '0' && *cpPointer <= '9') {
+ cpPointer++;
+ continue; // Digit
+ }
+
+ // If the above cases didn't catch this character, it was
+ // illegal and this is therefore not a number.
+ return false;
+ }
+
+ return true;
+}
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+void simplify (short& dNum, short& dDenom) {
+ bool bRepeat;
+
+ do {
+ bRepeat = false;
+
+ for (ulong x = 0; x < NUM_PRIMES; x++) {
+ ulong i = NUM_PRIMES - x - 1;
+ ushort uPrime = g_uaPrimes[i];
+
+ if (dNum <= uPrime || dDenom <= uPrime)
+ continue;
+
+ if ((dNum % uPrime == 0) && (dDenom % uPrime == 0)) {
+ dNum /= uPrime;
+ dDenom /= uPrime;
+ bRepeat = true;
+ break;
+ }
+ }
+ } while (bRepeat);
+}
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+StringParser::StringParser (str zInText, char cSeparator) {
+ zaTokens = zInText.split (cSeparator, true);
+ dPos = -1;
+}
+
+// -----------------------------------------------------------------------------
+bool StringParser::atBeginning () {
+ return (dPos == -1);
+}
+
+// -----------------------------------------------------------------------------
+bool StringParser::atEnd () {
+ return (dPos == (signed) zaTokens.size () - 1);
+}
+
+// -----------------------------------------------------------------------------
+bool StringParser::getToken (str& zVal, const ushort uInPos) {
+ if (uInPos >= zaTokens.size())
+ return false;
+
+ zVal = zaTokens[uInPos];
+ return true;
+}
+
+// -----------------------------------------------------------------------------
+bool StringParser::next (str& zVal) {
+ return getToken (zVal, ++dPos);
+}
+
+// -----------------------------------------------------------------------------
+bool StringParser::peekNext (str& zVal) {
+ return getToken (zVal, dPos + 1);
+}
+
+// -----------------------------------------------------------------------------
+bool StringParser::findToken (short& dResult, char const* sNeedle, short dArgs) {
+ for (ushort i = 0; i < (zaTokens.size () - dArgs); ++i) {
+ if (zaTokens[i] == sNeedle) {
+ dResult = i;
+ return true;
+ }
+ }
+
+ return false;
+}
+
+// -----------------------------------------------------------------------------
+void StringParser::rewind () {
+ dPos = -1;
+}
+
+// -----------------------------------------------------------------------------
+void StringParser::seek (short int dAmount, bool bRelative) {
+ dPos = (bRelative ? dPos : 0) + dAmount;
+}
+
+// -----------------------------------------------------------------------------
+size_t StringParser::size () {
+ return zaTokens.size();
+}
+
+// -----------------------------------------------------------------------------
+bool StringParser
+::tokenCompare (short int dInPos, const char* sOther) {
+ str tok;
+ if (!getToken (tok, dInPos))
+ return false;
+
+ return (tok == sOther);
+}
\ No newline at end of file