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engines/cryomni3d/font_manager.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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef CRYOMNI3D_FONT_MANAGER_H
+#define CRYOMNI3D_FONT_MANAGER_H
+
+#include "common/array.h"
+#include "common/path.h"
+#include "common/str.h"
+#include "common/str-enc.h"
+#include "common/ustr.h"
+#include "common/rect.h"
+
+#include "graphics/font.h"
+
+namespace Graphics {
+class ManagedSurface;
+}
+
+namespace CryOmni3D {
+
+class FontManager {
+public:
+	FontManager();
+	virtual ~FontManager();
+
+	void loadFonts(const Common::Array<Common::Path> &fontFiles, Common::CodePage codepage);
+	void loadTTFList(const Common::Path &listFile, Common::CodePage codepage);
+	void setCurrentFont(int currentFont);
+	uint getCurrentFont() { return _currentFontId; }
+	void setTransparentBackground(bool transparent) { _transparentBackground = transparent; }
+	void setSpaceWidth(uint additionalSpace);
+	void setForeColor(byte color) { _foreColor = color; }
+	void setLineHeight(int h) { _lineHeight = h; }
+	int lineHeight() { return _lineHeight; }
+	void setCharSpacing(uint w) { _charSpacing = w; }
+	void setSurface(Graphics::ManagedSurface *surface) { _currentSurface = surface; }
+
+	int getFontMaxHeight() { return _currentFont->getFontHeight(); }
+
+	void displayInt(uint x, uint y, int value) const {
+		displayStr_(x, y,
+		            toU32(Common::String::format("%d", value)));
+	}
+	void displayStr(uint x, uint y, const Common::String &text) const { displayStr_(x, y, toU32(text)); }
+	void displayStr(uint x, uint y, const Common::U32String &text) const { displayStr_(x, y, text); }
+	uint getStrWidth(const Common::String &text) const { return getStrWidth(toU32(text)); }
+	uint getStrWidth(const Common::U32String &text) const;
+
+	uint getLinesCount(const Common::String &text, uint width) { return getLinesCount(toU32(text), width); }
+
+	void setupBlock(const Common::Rect &block, bool justifyText = false) {
+		_blockRect = block;
+		_blockPos.x = block.left;
+		_blockPos.y = block.top;
+		_justifyText = justifyText;
+	}
+	bool displayBlockText(const Common::String &text) {
+		_blockTextStr = toU32(text);
+		return displayBlockText(_blockTextStr, _blockTextStr.begin());
+	}
+	bool displayBlockTextContinue() { return displayBlockText(_blockTextStr, _blockTextRemaining); }
+	Common::Point blockTextLastPos() { return _blockPos; }
+
+private:
+	Common::U32String toU32(const Common::String &text) const;
+
+	uint displayStr_(uint x, uint y, const Common::U32String &text) const;
+	uint getLinesCount(const Common::U32String &text, uint width);
+	bool displayBlockText(const Common::U32String &text, Common::U32String::const_iterator begin);
+	void calculateWordWrap(const Common::U32String &text, Common::U32String::const_iterator *position,
+	                       uint *finalPos, bool *has_br, Common::Array<Common::U32String> &words) const;
+
+	Common::CodePage _codepage;
+	bool _toUnicode;
+	Common::Array<Graphics::Font *> _fonts;
+	const Graphics::Font *_currentFont;
+	uint _currentFontId;
+	bool _transparentBackground;
+	uint _spaceWidth;
+	uint _charSpacing;
+
+	byte _foreColor;
+
+	Graphics::ManagedSurface *_currentSurface;
+
+	Common::Rect _blockRect;
+	Common::Point _blockPos;
+	int _lineHeight;
+	bool _justifyText;
+	Common::U32String _blockTextStr;
+	Common::U32String::const_iterator _blockTextRemaining;
+
+	// Specific parameters for non alphabetic languages
+	void setupWrapParameters();
+	bool _useSpaceDelimiter;
+	bool _keepASCIIjoined;
+};
+
+} // End of namespace CryOmni3D
+
+#endif