From 9a95a40e926044368663e387f4a662335cb6d155 Mon Sep 17 00:00:00 2001
From: David Capello <davidcapello@gmail.com>
Date: Tue, 20 Apr 2010 23:32:44 -0300
Subject: [PATCH] Added RgbMap class (this class will replace rgb_map Allegro
 usage).

---
 makefile.lst          |  1 +
 src/raster/gfxobj.h   |  1 +
 src/raster/raster.h   |  1 +
 src/raster/rgbmap.cpp | 94 +++++++++++++++++++++++++++++++++++++++++++
 src/raster/rgbmap.h   | 43 ++++++++++++++++++++
 5 files changed, 140 insertions(+)
 create mode 100644 src/raster/rgbmap.cpp
 create mode 100644 src/raster/rgbmap.h

diff --git a/makefile.lst b/makefile.lst
index ac3fd3512..54476fa2b 100644
--- a/makefile.lst
+++ b/makefile.lst
@@ -179,6 +179,7 @@ COMMON_SOURCES =					\
 	src/raster/palette.cpp				\
 	src/raster/path.cpp				\
 	src/raster/quant.cpp				\
+	src/raster/rgbmap.cpp				\
 	src/raster/rotate.cpp				\
 	src/raster/sprite.cpp				\
 	src/raster/stock.cpp				\
diff --git a/src/raster/gfxobj.h b/src/raster/gfxobj.h
index 39ad81ddb..8c058f3bd 100644
--- a/src/raster/gfxobj.h
+++ b/src/raster/gfxobj.h
@@ -33,6 +33,7 @@ enum {
   GFXOBJ_SPRITE,
   GFXOBJ_STOCK,
   GFXOBJ_UNDO,
+  GFXOBJ_RGBMAP,
 };
 
 typedef unsigned int gfxobj_id;
diff --git a/src/raster/raster.h b/src/raster/raster.h
index 33b284234..73b48a1c5 100644
--- a/src/raster/raster.h
+++ b/src/raster/raster.h
@@ -31,6 +31,7 @@
 #include "raster/path.h"
 #include "raster/pen.h"
 #include "raster/quant.h"
+#include "raster/rgbmap.h"
 #include "raster/rotate.h"
 #include "raster/sprite.h"
 #include "raster/stock.h"
diff --git a/src/raster/rgbmap.cpp b/src/raster/rgbmap.cpp
new file mode 100644
index 000000000..3fac48775
--- /dev/null
+++ b/src/raster/rgbmap.cpp
@@ -0,0 +1,94 @@
+/* ASE - Allegro Sprite Editor
+ * Copyright (C) 2001-2010  David Capello
+ *
+ * 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
+ * (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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "config.h"
+
+#include <cassert>
+#include <allegro.h>
+
+#include "raster/palette.h"
+#include "raster/rgbmap.h"
+
+class RgbMapImpl
+{
+public:
+  RgbMapImpl() {
+    m_allegMap = new RGB_MAP;
+    m_palette_id = 0;
+    m_modifications = 0;
+  }
+
+  ~RgbMapImpl() {
+    delete m_allegMap;
+  }
+
+  bool match(const Palette* palette) const {
+    return (m_palette_id == palette->id &&
+	    m_modifications == palette->getModifications());
+  }
+
+  void regenerate(const Palette* palette) {
+    m_palette_id = palette->id;
+    m_modifications = palette->getModifications();
+
+    PALETTE allegPal;
+    palette->toAllegro(allegPal);
+    create_rgb_table(m_allegMap, allegPal, NULL);
+  }
+
+  int mapColor(int r, int g, int b) const {
+    assert(r >= 0 && r < 256);
+    assert(g >= 0 && g < 256);
+    assert(b >= 0 && b < 256);
+    return m_allegMap->data[r>>3][g>>3][b>>3];
+  }
+
+private:
+  RGB_MAP* m_allegMap;
+  gfxobj_id m_palette_id;
+  size_t m_modifications;
+};
+
+//////////////////////////////////////////////////////////////////////
+// RgbMap
+
+RgbMap::RgbMap()
+  : GfxObj(GFXOBJ_RGBMAP)
+{
+  m_impl = new RgbMapImpl;
+}
+
+RgbMap::~RgbMap()
+{
+  delete m_impl;
+}
+
+bool RgbMap::match(const Palette* palette) const
+{
+  return m_impl->match(palette);
+}
+
+void RgbMap::regenerate(const Palette* palette)
+{
+  m_impl->regenerate(palette);
+}
+
+int RgbMap::mapColor(int r, int g, int b) const
+{
+  return m_impl->mapColor(r, g, b);
+}
diff --git a/src/raster/rgbmap.h b/src/raster/rgbmap.h
new file mode 100644
index 000000000..370f0ea40
--- /dev/null
+++ b/src/raster/rgbmap.h
@@ -0,0 +1,43 @@
+/* ASE - Allegro Sprite Editor
+ * Copyright (C) 2001-2010  David Capello
+ *
+ * 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
+ * (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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef RASTER_RGBMAP_H_INCLUDED
+#define RASTER_RGBMAP_H_INCLUDED
+
+#include "Vaca/NonCopyable.h"
+#include "raster/gfxobj.h"
+
+class Palette;
+
+class RgbMap : public GfxObj
+	     , Vaca::NonCopyable
+{
+public:
+  RgbMap();
+  virtual ~RgbMap();
+
+  bool match(const Palette* palette) const;
+  void regenerate(const Palette* palette);
+
+  int mapColor(int r, int g, int b) const;
+
+private:
+  class RgbMapImpl* m_impl;
+};
+
+#endif