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engines/zvision/text/text.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 ZVISION_TEXT_H
+#define ZVISION_TEXT_H
+
+#include "zvision/zvision.h"
+#include "zvision/text/truetype_font.h"
+
+namespace ZVision {
+
+class ZVision;
+
+enum TextJustification {
+	TEXT_JUSTIFY_CENTER = 0,
+	TEXT_JUSTIFY_LEFT = 1,
+	TEXT_JUSTIFY_RIGHT = 2
+};
+
+enum TextChange {
+	TEXT_CHANGE_NONE = 0x0,
+	TEXT_CHANGE_FONT_TYPE = 0x1,
+	TEXT_CHANGE_FONT_STYLE = 0x2,
+	TEXT_CHANGE_NEWLINE = 0x4,
+	TEXT_CHANGE_HAS_STATE_BOX = 0x8
+};
+
+class TextStyleState {
+public:
+	TextStyleState();
+	TextChange parseStyle(const Common::String &str, int16 len);
+	void readAllStyles(const Common::String &txt);
+	void updateFontWithTextState(StyledTTFont &font);
+
+	uint32 getTextColor(ZVision *engine) {
+		return engine->_resourcePixelFormat.RGBToColor(_red, _green, _blue);
+	}
+
+public:
+	Common::String _fontname;
+	TextJustification _justification;
+	int16 _size;
+	uint8 _red;     // 0-255
+	uint8 _green;   // 0-255
+	uint8 _blue;    // 0-255
+	bool _italic;
+	bool _bold;
+	bool _underline;
+	bool _strikeout;
+	int32 _statebox;
+	bool _sharp;
+};
+
+class TextRenderer {
+public:
+	TextRenderer(ZVision *engine): _engine(engine) {};
+
+	void drawTextWithJustification(const Common::String &text, StyledTTFont &font, uint32 color, Graphics::Surface &dest, int lineY, TextJustification jusification);
+	int32 drawText(const Common::String &text, TextStyleState &state, Graphics::Surface &dest);
+	void drawTextWithWordWrapping(const Common::String &text, Graphics::Surface &dest, bool blackFrame = false);
+
+private:
+	ZVision *_engine;
+};
+
+Common::U32String readWideLine(Common::SeekableReadStream &stream);
+
+} // End of namespace ZVision
+
+#endif