From 167a9cb767737077cc5b8a70d905a1840a726949 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Wed, 31 Dec 2008 15:07:30 +0000
Subject: ThemeEngine: * more cleanup, esp. of Doxygen comments * completely
 got rid of ImageMan, instead use the same Common::Archive to load bitmaps and
 XML data from

svn-id: r35636
---
 gui/ThemeEngine.cpp | 59 +++++++++++++++++++++++++++++++++++------------------
 gui/ThemeEngine.h   | 24 ++++++++++++++--------
 2 files changed, 55 insertions(+), 28 deletions(-)

diff --git a/gui/ThemeEngine.cpp b/gui/ThemeEngine.cpp
index abc419c428..6ae3524e99 100644
--- a/gui/ThemeEngine.cpp
+++ b/gui/ThemeEngine.cpp
@@ -33,7 +33,7 @@
 
 #include "graphics/surface.h"
 #include "graphics/colormasks.h"
-#include "graphics/imageman.h"
+#include "graphics/imagedec.h"
 #include "graphics/cursorman.h"
 #include "graphics/VectorRenderer.h"
 
@@ -72,6 +72,7 @@ ThemeEngine::ThemeEngine(Common::String fileName, GraphicsMode mode) :
 
 	_graphicsMode = mode;
 	_themeFileName = fileName;
+	_themeArchive = 0;
 	_initOk = false;
 }
 
@@ -81,17 +82,10 @@ ThemeEngine::~ThemeEngine() {
 	delete _parser;
 	delete _themeEval;
 	delete[] _cursor;
-
-	for (ImagesMap::iterator i = _bitmaps.begin(); i != _bitmaps.end(); ++i)
-		ImageMan.unregisterSurface(i->_key);
-
-	ImageMan.removeArchive(_themeFileName);
 }
 
 
 
-
-
 /**********************************************************
  *	Rendering mode management
  *********************************************************/
@@ -192,10 +186,18 @@ void ThemeEngine::unloadTheme() {
 		_texts[i] = 0;
 	}
 
-	for (ImagesMap::iterator i = _bitmaps.begin(); i != _bitmaps.end(); ++i)
-		ImageMan.unregisterSurface(i->_key);
-
-	ImageMan.removeArchive(_themeFileName);
+	// Release all graphics surfaces
+	for (ImagesMap::iterator i = _bitmaps.begin(); i != _bitmaps.end(); ++i) {
+		Graphics::Surface *surf = i->_value;
+		if (surf) {
+			surf->free();
+			delete surf;
+		}
+	}
+	_bitmaps.clear();
+	
+	delete _themeArchive;
+	_themeArchive = 0;
 
 	_themeEval->reset();
 	_themeOk = false;
@@ -387,13 +389,27 @@ bool ThemeEngine::addFont(const Common::String &fontId, const Common::String &fi
 }
 
 bool ThemeEngine::addBitmap(const Common::String &filename) {
-	if (_bitmaps.contains(filename))
-		ImageMan.unregisterSurface(filename);
-
-	ImageMan.registerSurface(filename, 0);
-	_bitmaps[filename] = ImageMan.getSurface(filename);
+	// Release any existing surface with that name.
+	Graphics::Surface *surf = _bitmaps[filename];
+	if (surf) {
+		surf->free();
+		delete surf;
+	}
+	
+	// Now try to load the bitmap via the ImageDecoder class.
+	surf = Graphics::ImageDecoder::loadFile(filename);
+	if (!surf && _themeArchive) {
+		Common::SeekableReadStream *stream = _themeArchive->openFile(filename);
+		if (stream) {
+			surf = Graphics::ImageDecoder::loadFile(*stream);
+			delete stream;
+		}
+	}
 
-	return _bitmaps[filename] != 0;
+	// Store the surface into our hashmap (attention, may store NULL entries!)
+	_bitmaps[filename] = surf;
+	
+	return surf != 0;
 }
 
 bool ThemeEngine::addDrawData(const Common::String &data, bool cached) {
@@ -423,7 +439,7 @@ bool ThemeEngine::loadTheme(const Common::String &fileName) {
 
 	bool tryAgain = false;
 	if (fileName != "builtin") {
-		ImageMan.addArchive(fileName);
+		// Load the archive containing image and XML data
 		if (!loadThemeXML(fileName)) {
 			warning("Could not parse custom theme '%s'. Falling back to default theme", fileName.c_str());
 			tryAgain = true;	// Fall back to default builtin theme
@@ -530,11 +546,14 @@ bool ThemeEngine::loadThemeXML(const Common::String &themeName) {
 		return false;
 	}
 
+	_themeArchive = archive;
+
 	// Loop over all STX files
 	for (Common::ArchiveMemberList::iterator i = members.begin(); i != members.end(); ++i) {
 		assert((*i)->getName().hasSuffix(".stx"));
 
 		if (_parser->loadStream((*i)->open()) == false) {
+			_themeArchive = 0;
 			delete archive;
 			warning("Failed to load STX file '%s'", (*i)->getDisplayName().c_str());
 			_parser->close();
@@ -542,6 +561,7 @@ bool ThemeEngine::loadThemeXML(const Common::String &themeName) {
 		}
 
 		if (_parser->parse() == false) {
+			_themeArchive = 0;
 			delete archive;
 			warning("Failed to parse STX file '%s'", (*i)->getDisplayName().c_str());
 			_parser->close();
@@ -551,7 +571,6 @@ bool ThemeEngine::loadThemeXML(const Common::String &themeName) {
 		_parser->close();
 	}
 
-	delete archive;
 	assert(!_themeName.empty());
 	return true;
 }
diff --git a/gui/ThemeEngine.h b/gui/ThemeEngine.h
index 4435848fb3..56a288f9d4 100644
--- a/gui/ThemeEngine.h
+++ b/gui/ThemeEngine.h
@@ -135,10 +135,12 @@ protected:
 		kTextDataMAX
 	};
 
-	static const struct TextDataInfo {
+	struct TextDataInfo {
 		TextData id;
 		const char *name;
-	} kTextDataDefaults[];
+	};
+	
+	static const TextDataInfo kTextDataDefaults[];
 
 public:
 	//! Vertical alignment of the text.
@@ -268,9 +270,8 @@ public:
 	void updateScreen();
 
 
-	/**
-	 *	FONT MANAGEMENT METHODS
-	 */
+	/** @name FONT MANAGEMENT METHODS */
+	//@{
 
 	TextData fontStyleToData(FontStyle font) const {
 		if (font == kFontStyleNormal)
@@ -286,10 +287,12 @@ public:
 
 	int getCharWidth(byte c, FontStyle font = kFontStyleBold) const;
 
+	//@}
+
+
+	/** @name WIDGET DRAWING METHODS */
+	//@{
 
-	/**
-	 *	WIDGET DRAWING METHODS
-	 */
 	void drawWidgetBackground(const Common::Rect &r, uint16 hints,
 		WidgetBackground background = kWidgetBackgroundPlain, WidgetStateInfo state = kStateEnabled);
 
@@ -326,6 +329,10 @@ public:
 
 	void drawChar(const Common::Rect &r, byte ch, const Graphics::Font *font, WidgetStateInfo state = kStateEnabled);
 
+	//@}
+
+
+
 	/**
 	 *	Actual implementation of a Dirty Rect drawing routine.
 	 *	Dirty rectangles are queued on a list and are later merged/calculated
@@ -657,6 +664,7 @@ protected:
 
 	Common::String _themeName; //!< Name of the currently loaded theme
 	Common::String _themeFileName;
+	Common::Archive *_themeArchive;
 
 	/** Custom Cursor Management */
 	void setUpCursor();
-- 
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