add basic implementation of a spu region

1 files changed, 58 insertions, 0 deletions

diff --git a/spuregion.c b/spuregion.c
new file mode 100644
index 0000000..1a183eb
--- /dev/null
+++ b/spuregion.c
@@ -0,0 +1,58 @@
+/*
+ *           _                 _             _                 _          _____
+ * __   ____| |_ __      _ __ | |_   _  __ _(_)_ __         __| |_  ___ _|___ /
+ * \ \ / / _` | '__|____| '_ \| | | | |/ _` | | '_ \ _____ / _` \ \/ / '__||_ \
+ *  \ V / (_| | | |_____| |_) | | |_| | (_| | | | | |_____| (_| |>  <| |  ___) |
+ *   \_/ \__,_|_|       | .__/|_|\__,_|\__, |_|_| |_|      \__,_/_/\_\_| |____/
+ *                      |_|            |___/
+ *
+ * Copyright (C) 2009 Christian Gmeiner
+ *
+ * This file is part of vdr-plugin-dxr3.
+ *
+ * vdr-plugin-dxr3 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 version 2.
+ *
+ * vdr-plugin-dxr3 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 dxr3-plugin.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "spuregion.h"
+
+cSpuRegion::cSpuRegion() : startLine(0), endLine(0), usedSections(0)
+{
+    memset(sections, 0, sizeof(sections));
+}
+
+bool cSpuRegion::addColIndex(tIndex idx)
+{
+    sSection sec = sections[usedSections];
+
+    if (sec.usedColors == MAX_COLORS) {
+        return false;
+    }
+
+    sec.cmap[idx] = sec.usedColors;
+    sec.colIndex[sec.usedColors++] = idx;
+    return true;
+}
+
+bool cSpuRegion::containsColIndex(tIndex idx)
+{
+    sSection sec = sections[usedSections];
+
+    for (uint8_t i = 0; i < sec.usedColors; i++) {
+        if (sec.colIndex[i] == idx) {
+            return true;
+        }
+    }
+
+    return false;
+}