From e3fcf5591eb2ac28a96315fb089f5c88e0c6aa1f Mon Sep 17 00:00:00 2001
From: Krisztian Pinter <pin.terminator@gmail.com>
Date: Thu, 3 Jul 2014 18:47:10 +0200
Subject: Add PaletteManager, refactor palette code

Change-Id: I7e30fc895834318514b51bc648d32aa6d297bfae
---
 svx/source/tbxctrls/Palette.cxx | 120 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 svx/source/tbxctrls/Palette.cxx

(limited to 'svx/source/tbxctrls/Palette.cxx')

diff --git a/svx/source/tbxctrls/Palette.cxx b/svx/source/tbxctrls/Palette.cxx
new file mode 100644
index 000000000000..aebb7f0fa48d
--- /dev/null
+++ b/svx/source/tbxctrls/Palette.cxx
@@ -0,0 +1,120 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svx/Palette.hxx>
+#include <tools/stream.hxx>
+
+// finds first token in rStr from index, separated by whitespace
+// returns position of next token in index
+OString lcl_getToken(const OString& rStr, sal_Int32& index)
+{
+    sal_Int32 substart, toklen = 0;
+
+    while(index < rStr.getLength() &&
+          (rStr[index] == ' ' || rStr[index] == '\n' || rStr[index] == '\t'))
+        ++index;
+    if(index == rStr.getLength())
+    {
+        index = -1;
+        return OString();
+    }
+    substart = index;
+
+    while(index < rStr.getLength() &&
+          !(rStr[index] == ' ' || rStr[index] == '\n' || rStr[index] == '\t'))
+    {
+        ++index;
+        ++toklen;
+    }
+
+    while(index < rStr.getLength() &&
+          (rStr[index] == ' ' || rStr[index] == '\n' || rStr[index] == '\t'))
+        ++index;
+    if(index == rStr.getLength())
+        index = -1;
+
+    return rStr.copy(substart, toklen);
+}
+
+Palette::Palette(const OUString &rFname) :
+    mbLoaded( false ),
+    maFname( rFname ){}
+
+const OString& Palette::GetPaletteName()
+{
+    LoadPalette();
+    return maName;
+}
+
+const Palette::ColorList& Palette::GetPaletteColors()
+{
+    LoadPalette();
+    return maColors;
+}
+
+void Palette::LoadPalette()
+{
+    if( mbLoaded ) return;
+
+    mbLoaded = true;
+
+    // TODO add error handling!!!
+    SvFileStream aFile(maFname, STREAM_READ);
+
+    OString aLine;
+
+    aFile.ReadLine(aLine);
+    if( !aLine.startsWith("GIMP Palette") ) return;
+    aFile.ReadLine(aLine);
+    if( aLine.startsWith("Name: ", &maName) )
+    {
+        aFile.ReadLine(aLine);
+        if( aLine.startsWith("Columns: "))
+            aFile.ReadLine(aLine); // we can ignore this
+    }
+
+    do {
+        if (aLine[0] != '#' && aLine[0] != '\n')
+        {
+            // TODO check if r,g,b are 0<= x <=255, or just clamp?
+            sal_Int32 nIndex = 0;
+            OString token;
+
+            token = lcl_getToken(aLine, nIndex);
+            if(token == "" || nIndex == -1) continue;
+            sal_Int32 r = token.toInt32();
+
+            token = lcl_getToken(aLine, nIndex);
+            if(token == "" || nIndex == -1) continue;
+            sal_Int32 g = token.toInt32();
+
+            token = lcl_getToken(aLine, nIndex);
+            if(token == "") continue;
+            sal_Int32 b = token.toInt32();
+
+            OString name;
+            if(nIndex != -1)
+                name = aLine.copy(nIndex);
+
+            maColors.push_back(std::make_pair(Color(r, g, b), name));
+        }
+    } while (aFile.ReadLine(aLine));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
-- 
cgit