add support for GIMP palettes for dye colors.

Palette file must be named palette.gpl and contain
colors with correct names.

To use it in dye string can be used character @.
Example:
    <color id="2" name="black" value="@Untitled7,Untitled8,Untitled6"/>

in all dye string it not tested.

1 files changed, 107 insertions, 0 deletions

diff --git a/src/resources/palettedb.cpp b/src/resources/palettedb.cpp
new file mode 100644
index 000000000..c770a9cdc
--- /dev/null
+++ b/src/resources/palettedb.cpp
@@ -0,0 +1,107 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2013  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus 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 "resources/palettedb.h"
+
+#include "logger.h"
+
+#include "resources/dyecolor.h"
+#include "resources/resourcemanager.h"
+
+#include "utils/stringvector.h"
+
+#include <map>
+
+#include "debug.h"
+
+namespace
+{
+    bool mLoaded = false;
+    std::map<std::string, DyeColor> mColors;
+    DyeColor mEmpty(0, 0, 0, 0);
+}
+
+void PaletteDB::load()
+{
+    if (mLoaded)
+        unload();
+
+    loadPalette();
+}
+
+void PaletteDB::loadPalette()
+{
+    mLoaded = true;
+    StringVect lines;
+    ResourceManager::loadTextFile("palette.gpl", lines);
+    StringVectCIter it = lines.begin();
+    if (it == lines.end())
+    {
+        logger->log("missing GIMP palette file");
+        return;
+    }
+    if (*it != "GIMP Palette")
+    {
+        logger->log("wrong GIMP palette file");
+        return;
+    }
+    ++ it;
+    // skip header
+    while (it != lines.end())
+    {
+        const std::string line = *it;
+        if (!line.empty() && line[0] == '#')
+            break;
+        ++ it;
+    }
+
+    char name[101];
+
+    // process colors and ignore commets
+    while (it != lines.end())
+    {
+        const std::string line = *it;
+        ++ it;
+
+        if (line.empty() || line[0] == '#')
+            continue;
+
+        unsigned int r;
+        unsigned int g;
+        unsigned int b;
+
+        if (sscanf(line.c_str(), "%u %u %u\t%s", &r, &g, &b, name) == 4)
+            mColors[name] = DyeColor(r, g, b);
+    }
+}
+
+void PaletteDB::unload()
+{
+    mColors.clear();
+}
+
+const DyeColor &PaletteDB::getColor(const std::string &name)
+{
+    std::map<std::string, DyeColor>::const_iterator it = mColors.find(name);
+    if (it != mColors.end())
+        return (*it).second;
+    else
+        return mEmpty;
+}