Merged the "palette manager" into the cursor manager. It was only used to

manage *cursor* palettes, so the name was misleading.

svn-id: r25500

5 files changed, 152 insertions, 240 deletions

diff --git a/graphics/cursorman.cpp b/graphics/cursorman.cpp
index 53a1bf1abb..06364b860a 100644
--- a/graphics/cursorman.cpp
+++ b/graphics/cursorman.cpp
@@ -34,6 +34,7 @@ CursorManager::CursorManager() {
 	if (!g_initialized) {
 		g_initialized = true;
 		_cursorStack.clear();
+		_cursorPaletteStack.clear();
 	}
 }
 
@@ -107,4 +108,83 @@ void CursorManager::replaceCursor(const byte *buf, uint w, uint h, int hotspotX,
 	g_system->setMouseCursor(cur->_data, w, h, hotspotX, hotspotY, keycolor, targetScale);
 }
 
+void CursorManager::disableCursorPalette(bool disable) {
+	if (!g_system->hasFeature(OSystem::kFeatureCursorHasPalette))
+		return;
+
+	if (_cursorPaletteStack.empty())
+		return;
+
+	Palette *pal = _cursorPaletteStack.top();
+	pal->_disabled = disable;
+
+	g_system->disableCursorPalette(true);
+}
+
+void CursorManager::pushCursorPalette(const byte *colors, uint start, uint num) {
+	if (!g_system->hasFeature(OSystem::kFeatureCursorHasPalette))
+		return;
+
+	Palette *pal = new Palette(colors, start, num);
+	_cursorPaletteStack.push(pal);
+
+	if (num)
+		g_system->setCursorPalette(colors, start, num);
+	else
+		g_system->disableCursorPalette(true);
+}
+
+void CursorManager::popCursorPalette() {
+	if (!g_system->hasFeature(OSystem::kFeatureCursorHasPalette))
+		return;
+
+	if (_cursorPaletteStack.empty())
+		return;
+
+	Palette *pal = _cursorPaletteStack.pop();
+	delete pal;
+
+	if (_cursorPaletteStack.empty()) {
+		g_system->disableCursorPalette(true);
+		return;
+	}
+
+	pal = _cursorPaletteStack.top();
+
+	if (pal->_num && !pal->_disabled)
+		g_system->setCursorPalette(pal->_data, pal->_start, pal->_num);
+	else
+		g_system->disableCursorPalette(true);
+}
+
+void CursorManager::replaceCursorPalette(const byte *colors, uint start, uint num) {
+	if (!g_system->hasFeature(OSystem::kFeatureCursorHasPalette))
+		return;
+
+	if (_cursorPaletteStack.empty()) {
+		pushCursorPalette(colors, start, num);
+		return;
+	}
+
+	Palette *pal = _cursorPaletteStack.top();
+	uint size = 4 * num;
+
+	if (pal->_size < size) {
+		// Could not re-use the old buffer. Create a new one.
+		delete[] pal->_data;
+		pal->_data = new byte[size];
+		pal->_size = size;
+	}
+
+	pal->_start = start;
+	pal->_num = num;
+
+	if (num) {
+		memcpy(pal->_data, colors, 4 * num);
+		g_system->setCursorPalette(pal->_data, pal->_start, pal->_num);
+	} else {
+		g_system->disableCursorPalette(true);
+	}
+}
+
 } // End of namespace Graphics
diff --git a/graphics/cursorman.h b/graphics/cursorman.h
index f86883f1e1..af5021e5d4 100644
--- a/graphics/cursorman.h
+++ b/graphics/cursorman.h
@@ -74,6 +74,49 @@ public:
 	 */
 	void replaceCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor = 255, int targetScale = 1);
 
+	/**
+	 * Enable/Disable the current cursor palette.
+	 *
+	 * @param disable
+	 */
+	void disableCursorPalette(bool disable);
+
+	/**
+	 * Push a new cursor palette onto the stack, and set it in the backend.
+	 * The palette entries from 'start' till (start+num-1) will be replaced
+	 * so a full palette updated is accomplished via start=0, num=256.
+	 *
+	 * The palette data is specified in the same interleaved RGBA format as
+	 * used by all backends.
+	 *
+	 * @param colors	the new palette data, in interleaved RGB format
+	 * @param start		the first palette entry to be updated
+	 * @param num		the number of palette entries to be updated
+	 *
+	 * @note If num is zero, the cursor palette is disabled.
+	 */
+	void pushCursorPalette(const byte *colors, uint start, uint num);
+
+	/**
+	 * Pop a cursor palette from the stack, and restore the previous one to
+	 * the backend. If there is no previous palette, the cursor palette is
+	 * disabled instead.
+	 */
+	void popCursorPalette();
+
+	/**
+	 * Replace the current cursor palette on the stack. If the stack is
+	 * empty, the palette is pushed instead. It's a slightly more optimized
+	 * way of popping the old palette before pushing the new one.
+	 *
+	 * @param colors	the new palette data, in interleaved RGB format
+	 * @param start		the first palette entry to be updated
+	 * @param num		the number of palette entries to be updated
+	 *
+	 * @note If num is zero, the cursor palette is disabled.
+	 */
+	void replaceCursorPalette(const byte *colors, uint start, uint num);
+
 private:
 	friend class Common::Singleton<SingletonBaseType>;
 	CursorManager();
@@ -108,13 +151,40 @@ private:
 		}
 	};
 
+	struct Palette {
+		byte *_data;
+		uint _start;
+		uint _num;
+		uint _size;
+
+		bool _disabled;
+
+		Palette(const byte *colors, uint start, uint num) {
+			_start = start;
+			_num = num;
+			_size = 4 * num;
+
+			if (num) {
+				_data = new byte[_size];
+				memcpy(_data, colors, _size);
+			} else {
+				_data = NULL;
+			}
+
+			_disabled = false;
+		}
+
+		~Palette() {
+			delete [] _data;
+		}
+	};
+
 	Common::Stack<Cursor *> _cursorStack;
+	Common::Stack<Palette *> _cursorPaletteStack;
 };
 
-
 } // End of namespace Graphics
 
-/** Shortcut for accessing the cursor manager. */
 #define CursorMan	(::Graphics::CursorManager::instance())
 
 #endif
diff --git a/graphics/module.mk b/graphics/module.mk
index d14ca763f2..44c118668f 100644
--- a/graphics/module.mk
+++ b/graphics/module.mk
@@ -13,7 +13,6 @@ MODULE_OBJS := \
 	imagedec.o \
 	imageman.o \
 	mpeg_player.o \
-	paletteman.o \
 	primitives.o \
 	scaler.o \
 	scaler/thumbnail.o \
diff --git a/graphics/paletteman.cpp b/graphics/paletteman.cpp
deleted file mode 100644
index b3f47bf585..0000000000
--- a/graphics/paletteman.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-/* ScummVM - Scumm Interpreter
- * Copyright (C) 2006 The ScummVM project
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- */
-
-#include "graphics/paletteman.h"
-
-#include "common/system.h"
-#include "common/stack.h"
-
-DECLARE_SINGLETON(Graphics::PaletteManager);
-
-namespace Graphics {
-
-static bool g_initialized = false;
-
-PaletteManager::PaletteManager() {
-	if (!g_initialized) {
-		g_initialized = true;
-		_cursorPaletteStack.clear();
-	}
-}
-
-void PaletteManager::disableCursorPalette(bool disable) {
-	if (!g_system->hasFeature(OSystem::kFeatureCursorHasPalette))
-		return;
-
-	if (_cursorPaletteStack.empty())
-		return;
-
-	Palette *pal = _cursorPaletteStack.top();
-	pal->_disabled = disable;
-
-	g_system->disableCursorPalette(true);
-}
-
-void PaletteManager::pushCursorPalette(const byte *colors, uint start, uint num) {
-	if (!g_system->hasFeature(OSystem::kFeatureCursorHasPalette))
-		return;
-
-	Palette *pal = new Palette(colors, start, num);
-	_cursorPaletteStack.push(pal);
-
-	if (num)
-		g_system->setCursorPalette(colors, start, num);
-	else
-		g_system->disableCursorPalette(true);
-}
-
-void PaletteManager::popCursorPalette() {
-	if (!g_system->hasFeature(OSystem::kFeatureCursorHasPalette))
-		return;
-
-	if (_cursorPaletteStack.empty())
-		return;
-
-	Palette *pal = _cursorPaletteStack.pop();
-	delete pal;
-
-	if (_cursorPaletteStack.empty()) {
-		g_system->disableCursorPalette(true);
-		return;
-	}
-
-	pal = _cursorPaletteStack.top();
-
-	if (pal->_num && !pal->_disabled)
-		g_system->setCursorPalette(pal->_data, pal->_start, pal->_num);
-	else
-		g_system->disableCursorPalette(true);
-}
-
-void PaletteManager::replaceCursorPalette(const byte *colors, uint start, uint num) {
-	if (!g_system->hasFeature(OSystem::kFeatureCursorHasPalette))
-		return;
-
-	if (_cursorPaletteStack.empty()) {
-		pushCursorPalette(colors, start, num);
-		return;
-	}
-
-	Palette *pal = _cursorPaletteStack.top();
-	uint size = 4 * num;
-
-	if (pal->_size < size) {
-		// Could not re-use the old buffer. Create a new one.
-		delete[] pal->_data;
-		pal->_data = new byte[size];
-		pal->_size = size;
-	}
-
-	pal->_start = start;
-	pal->_num = num;
-
-	if (num) {
-		memcpy(pal->_data, colors, 4 * num);
-		g_system->setCursorPalette(pal->_data, pal->_start, pal->_num);
-	} else {
-		g_system->disableCursorPalette(true);
-	}
-}
-
-} // End of namespace Graphics
diff --git a/graphics/paletteman.h b/graphics/paletteman.h
deleted file mode 100644
index dc3f03dbaa..0000000000
--- a/graphics/paletteman.h
+++ /dev/null
@@ -1,118 +0,0 @@
-/* ScummVM - Scumm Interpreter
- * Copyright (C) 2006 The ScummVM project
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- */
-
-#ifndef GRAPHICS_PALETTEMAN_H
-#define GRAPHICS_PALETTEMAN_H
-
-#include "common/stdafx.h"
-#include "common/scummsys.h"
-#include "common/stack.h"
-#include "common/singleton.h"
-
-namespace Graphics {
-
-class PaletteManager : public Common::Singleton<PaletteManager> {
-public:
-	/**
-	 * Enable/Disable the current cursor palette.
-	 *
-	 * @param disable
-	 */
-	void disableCursorPalette(bool disable);
-
-	/**
-	 * Push a new cursor palette onto the stack, and set it in the backend.
-	 * The palette entries from 'start' till (start+num-1) will be replaced
-	 * so a full palette updated is accomplished via start=0, num=256.
-	 *
-	 * The palette data is specified in the same interleaved RGBA format as
-	 * used by all backends.
-	 *
-	 * @param colors	the new palette data, in interleaved RGB format
-	 * @param start		the first palette entry to be updated
-	 * @param num		the number of palette entries to be updated
-	 *
-	 * @note If num is zero, the cursor palette is disabled.
-	 */
-	void pushCursorPalette(const byte *colors, uint start, uint num);
-
-	/**
-	 * Pop a cursor palette from the stack, and restore the previous one to
-	 * the backend. If there is no previous palette, the cursor palette is
-	 * disabled instead.
-	 */
-	void popCursorPalette();
-
-	/**
-	 * Replace the current cursor palette on the stack. If the stack is
-	 * empty, the palette is pushed instead. It's a slightly more optimized
-	 * way of popping the old palette before pushing the new one.
-	 *
-	 * @param colors	the new palette data, in interleaved RGB format
-	 * @param start		the first palette entry to be updated
-	 * @param num		the number of palette entries to be updated
-	 *
-	 * @note If num is zero, the cursor palette is disabled.
-	 */
-	void replaceCursorPalette(const byte *colors, uint start, uint num);
-
-private:
-	friend class Common::Singleton<SingletonBaseType>;
-	PaletteManager();
-
-	struct Palette {
-		byte *_data;
-		uint _start;
-		uint _num;
-		uint _size;
-
-		bool _disabled;
-
-		Palette(const byte *colors, uint start, uint num) {
-			_start = start;
-			_num = num;
-			_size = 4 * num;
-
-			if (num) {
-				_data = new byte[_size];
-				memcpy(_data, colors, _size);
-			} else {
-				_data = NULL;
-			}
-
-			_disabled = false;
-		}
-
-		~Palette() {
-			delete [] _data;
-		}
-	};
-
-	Common::Stack<Palette *> _cursorPaletteStack;
-};
-
-
-} // End of namespace Graphics
-
-/** Shortcut for accessing the palette manager. */
-#define PaletteMan	(Graphics::PaletteManager::instance())
-
-#endif