1 files changed, 129 insertions, 0 deletions
diff --git a/engines/zvision/truetype_font.h b/engines/zvision/truetype_font.h
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+++ b/engines/zvision/truetype_font.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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.
+ *
+ */
+
+// This file is based on engines/wintermute/base/fonts/base_font_truetype.h/.cpp
+
+#ifndef ZVISION_TRUETYPE_FONT_H
+#define ZVISION_TRUETYPE_FONT_H
+
+#include "common/types.h"
+
+#include "graphics/font.h"
+
+
+namespace Graphics {
+struct Surface;
+}
+
+namespace ZVision {
+
+class ZVision;
+
+class TruetypeFont {
+public:
+	TruetypeFont(ZVision *engine, int32 fontHeight, const Graphics::PixelFormat pixelFormat);
+	~TruetypeFont();
+
+public:
+	enum {
+		NUM_CACHED_TEXTS = 30
+	};
+
+	enum TextAlign {
+		ALIGN_LEFT = 0,
+		ALIGN_RIGHT,
+		ALIGN_CENTER
+	};
+
+	class CachedText {
+	public:
+		Common::String _text;
+		int32 _width;
+		TextAlign _align;
+		int32 _maxHeight;
+		Graphics::Surface *_surface;
+		int32 _textOffset;
+		bool _marked;
+		uint32 _lastUsed;
+
+		CachedText() {
+			_width = _maxHeight = -1;
+			_align = ALIGN_LEFT;
+			_surface = 0;
+			_lastUsed = 0;
+			_marked = false;
+		}
+
+		virtual ~CachedText() {
+			delete _surface;
+		}
+	};
+
+private:
+	ZVision *_engine;
+	const Graphics::PixelFormat _pixelFormat;
+
+	Graphics::Font *_font;
+
+	float _lineHeight;
+
+	size_t _maxCharWidth;
+	size_t _maxCharHeight;
+
+	CachedText *_cachedTexts[NUM_CACHED_TEXTS];
+
+public:
+	bool _isBold;
+	bool _isItalic;
+	bool _isUnderline;
+	bool _isStriked;
+	int32 _fontHeight;
+
+	//BaseArray<BaseTTFontLayer *> _layers;
+
+public:
+	int getTextWidth(const byte *text, int maxLength = -1);
+	int getTextHeight(const byte *text, int width);
+	void drawText(const Common::String &text, int x, int y, int width, TextAlign align = ALIGN_LEFT, int max_height = -1);
+	int getLetterHeight();
+
+	void initLoop() {}
+	void afterLoad() {}
+
+	bool loadBuffer(byte *buffer);
+	bool loadFile(const Common::String &filename);
+
+	float getLineHeight() const { return _lineHeight; }
+	
+	void clearCache();
+
+	static TruetypeFont *createFromFile(ZVision *game, const Common::String &filename);
+
+private:
+	void measureText(const Common::String &text, int maxWidth, int maxHeight, int &textWidthOut, int &textHeightOut);
+	Graphics::Surface *renderTextToTexture(const Common::String &text, int width, TextAlign align, int maxHeight);
+	bool initFont();
+};
+
+} // End of namespace ZVision
+
+#endif