1 files changed, 120 insertions, 0 deletions
diff --git a/gui/ThemeEngine.cpp b/gui/ThemeEngine.cpp
index 20638b827d..64e2fc373e 100644
--- a/gui/ThemeEngine.cpp
+++ b/gui/ThemeEngine.cpp
@@ -45,6 +45,105 @@ namespace GUI {
 
 using namespace Graphics;
 
+struct TextDrawData {
+	const Graphics::Font *_fontPtr;
+
+	struct {
+		uint8 r, g, b;
+	} _color;
+};
+
+struct WidgetDrawData {
+	/** List of all the steps needed to draw this widget */
+	Common::List<Graphics::DrawStep> _steps;
+
+	int _textDataId;
+	GUI::Theme::TextAlign _textAlignH;
+	GUI::Theme::TextAlignVertical _textAlignV;
+
+	/** Extra space that the widget occupies when it's drawn.
+	    E.g. when taking into account rounded corners, drop shadows, etc
+		Used when restoring the widget background */
+	uint16 _backgroundOffset;
+
+	/** Sets whether the widget is cached beforehand. */
+	bool _cached;
+	bool _buffer;
+
+	/** Texture where the cached widget is stored. */
+	Graphics::Surface *_surfaceCache;
+
+	~WidgetDrawData() {
+		_steps.clear();
+
+		if (_surfaceCache) {
+			_surfaceCache->free();
+			delete _surfaceCache;
+		}
+	}
+};
+
+class ThemeItem {
+
+public:
+	ThemeItem(ThemeEngine *engine, const Common::Rect &area) :
+		_engine(engine), _area(area) {}
+	virtual ~ThemeItem() {}
+
+	virtual void drawSelf(bool doDraw, bool doRestore) = 0;
+
+protected:
+	ThemeEngine *_engine;
+	Common::Rect _area;
+};
+
+class ThemeItemDrawData : public ThemeItem {
+public:
+	ThemeItemDrawData(ThemeEngine *engine, const WidgetDrawData *data, const Common::Rect &area, uint32 dynData) :
+		ThemeItem(engine, area), _dynamicData(dynData), _data(data) {}
+
+	void drawSelf(bool draw, bool restore);
+
+protected:
+	uint32 _dynamicData;
+	const WidgetDrawData *_data;
+};
+
+class ThemeItemTextData : public ThemeItem {
+public:
+	ThemeItemTextData(ThemeEngine *engine, const TextDrawData *data, const Common::Rect &area, const Common::String &text,
+		GUI::Theme::TextAlign alignH, GUI::Theme::TextAlignVertical alignV,
+		bool ellipsis, bool restoreBg, int deltaX) :
+		ThemeItem(engine, area), _data(data), _text(text), _alignH(alignH), _alignV(alignV),
+		_ellipsis(ellipsis), _restoreBg(restoreBg), _deltax(deltaX) {}
+
+	void drawSelf(bool draw, bool restore);
+
+protected:
+	const TextDrawData *_data;
+	Common::String _text;
+	GUI::Theme::TextAlign _alignH;
+	GUI::Theme::TextAlignVertical _alignV;
+	bool _ellipsis;
+	bool _restoreBg;
+	int _deltax;
+};
+
+class ThemeItemBitmap : public ThemeItem {
+public:
+	ThemeItemBitmap(ThemeEngine *engine, const Common::Rect &area, const Graphics::Surface *bitmap, bool alpha) :
+		ThemeItem(engine, area), _bitmap(bitmap), _alpha(alpha) {}
+
+	void drawSelf(bool draw, bool restore);
+
+protected:
+	const Graphics::Surface *_bitmap;
+	bool _alpha;
+};
+
+
+
+
 const ThemeEngine::Renderer ThemeEngine::_rendererModes[] = {
 	{ "Disabled GFX", "none", kGfxDisabled },
 	{ "Standard Renderer (16bpp)", "normal_16bpp", kGfxStandard16bit },
@@ -1094,4 +1193,25 @@ bool ThemeEngine::createCursor(const Common::String &filename, int hotspotX, int
 	return true;
 }
 
+const Graphics::Font *ThemeEngine::getFont(FontStyle font) const {
+	return _texts[fontStyleToData(font)]->_fontPtr;
+}
+
+int ThemeEngine::getFontHeight(FontStyle font) const {
+	return ready() ? _texts[fontStyleToData(font)]->_fontPtr->getFontHeight() : 0;
+}
+
+int ThemeEngine::getStringWidth(const Common::String &str, FontStyle font) const {
+	return ready() ? _texts[fontStyleToData(font)]->_fontPtr->getStringWidth(str) : 0;
+}
+
+int ThemeEngine::getCharWidth(byte c, FontStyle font) const {
+	return ready() ? _texts[fontStyleToData(font)]->_fontPtr->getCharWidth(c) : 0;
+}
+
+ThemeEngine::TextData ThemeEngine::getTextData(DrawData ddId) {
+	return _widgets[ddId] ? (TextData)_widgets[ddId]->_textDataId : kTextDataNone;
+}
+
+
 } // end of namespace GUI.