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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
treeff8eab35e732bc0749fc11677c8873a7b3a58704 /tools/dyecmd/src/dye.cpp
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana and my private repository.
Diffstat (limited to 'tools/dyecmd/src/dye.cpp')
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1 files changed, 202 insertions, 0 deletions
diff --git a/tools/dyecmd/src/dye.cpp b/tools/dyecmd/src/dye.cpp
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+/*
+ * The Mana Client
+ * Copyright (C) 2007-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ *
+ * This file is part of The Mana Client.
+ *
+ * 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 2 of the License, or
+ * 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 <algorithm>
+#include <sstream>
+#include <iostream>
+
+#include "dye.h"
+
+Palette::Palette(const std::string &description)
+{
+ mLoaded = false;
+ int size = description.length();
+ if (size == 0) return;
+ if (description[0] != '#')
+ {
+ std::cout << "Missing # in the palette description "
+ << "in the third parameter." << std::endl;
+ return;
+ }
+
+ int pos = 1;
+ for (;;)
+ {
+ if (pos + 6 > size) break;
+ int v = 0;
+ for (int i = 0; i < 6; ++i)
+ {
+ char c = description[pos + i];
+ int n;
+ if ('0' <= c && c <= '9')
+ n = c - '0';
+ else if ('A' <= c && c <= 'F')
+ n = c - 'A' + 10;
+ else if ('a' <= c && c <= 'f')
+ n = c - 'a' + 10;
+ else
+ {
+ std::cout << "invalid Hexadecimal description: "
+ << description << std::endl;
+ return;
+ }
+
+ v = (v << 4) | n;
+ }
+ Color c = { { v >> 16, v >> 8, v } };
+ mColors.push_back(c);
+ pos += 6;
+ if (pos == size)
+ {
+ mLoaded = true;
+ return;
+ }
+ if (description[pos] != ',')
+ break;
+
+ ++pos;
+ }
+
+ mLoaded = true;
+}
+
+void Palette::getColor(int intensity, int color[3]) const
+{
+ // Return implicit black
+ if (intensity == 0)
+ {
+ color[0] = 0;
+ color[1] = 0;
+ color[2] = 0;
+ return;
+ }
+
+ int last = mColors.size();
+ if (last == 0) return;
+
+ int i = intensity * last / 255;
+ int t = intensity * last % 255;
+
+ int j = t != 0 ? i : i - 1;
+ // Get the exact color if any, the next color otherwise.
+ int r2 = mColors[j].value[0],
+ g2 = mColors[j].value[1],
+ b2 = mColors[j].value[2];
+
+ if (t == 0)
+ {
+ // Exact color.
+ color[0] = r2;
+ color[1] = g2;
+ color[2] = b2;
+ return;
+ }
+
+ // Get the previous color. First color is implicitly black.
+ int r1 = 0, g1 = 0, b1 = 0;
+ if (i > 0)
+ {
+ r1 = mColors[i - 1].value[0];
+ g1 = mColors[i - 1].value[1];
+ b1 = mColors[i - 1].value[2];
+ }
+
+ // Perform a linear interpolation.
+ color[0] = ((255 - t) * r1 + t * r2) / 255;
+ color[1] = ((255 - t) * g1 + t * g2) / 255;
+ color[2] = ((255 - t) * b1 + t * b2) / 255;
+}
+
+Dye::Dye(const std::string &description)
+{
+ mLoaded = false;
+ for (int i = 0; i < 7; ++i)
+ mPalettes[i] = 0;
+
+ if (description.empty()) return;
+
+ std::string::size_type next_pos = 0, length = description.length();
+ do
+ {
+ std::string::size_type pos = next_pos;
+ next_pos = description.find(';', pos);
+ if (next_pos == std::string::npos)
+ next_pos = length;
+ if (next_pos <= pos + 3 || description[pos + 1] != ':')
+ {
+ std::cout << "Dyeing: Missing ':' in channel description."
+ << std::endl;
+ return;
+ }
+ int i = 0;
+ switch (description[pos])
+ {
+ case 'R': i = 0; break;
+ case 'G': i = 1; break;
+ case 'Y': i = 2; break;
+ case 'B': i = 3; break;
+ case 'M': i = 4; break;
+ case 'C': i = 5; break;
+ case 'W': i = 6; break;
+ default:
+ std::cout << "Dyeing: Invalid channel. Not in [R,G,Y,B,M,C,W]"
+ << std::endl;
+ return;
+ }
+ mPalettes[i] = new Palette(
+ description.substr(pos + 2, next_pos - pos - 2));
+
+ if (!mPalettes[i]->loaded())
+ return;
+
+ ++next_pos;
+ }
+ while (next_pos < length);
+
+ mLoaded = true;
+}
+
+Dye::~Dye()
+{
+ for (int i = 0; i < 7; ++i)
+ delete mPalettes[i];
+}
+
+void Dye::update(int color[3]) const
+{
+ int cmax = std::max(color[0], std::max(color[1], color[2]));
+ if (cmax == 0) return;
+
+ int cmin = std::min(color[0], std::min(color[1], color[2]));
+ int intensity = color[0] + color[1] + color[2];
+
+ if (cmin != cmax &&
+ (cmin != 0 || (intensity != cmax && intensity != 2 * cmax)))
+ {
+ // not pure
+ return;
+ }
+
+ int i = (color[0] != 0) | ((color[1] != 0) << 1) | ((color[2] != 0) << 2);
+
+ if (mPalettes[i - 1])
+ mPalettes[i - 1]->getColor(cmax, color);
+}