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engines/nancy/misc/hypertext.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 NANCY_MISC_HYPERTEXT_H
+#define NANCY_MISC_HYPERTEXT_H
+
+#include "engines/nancy/renderobject.h"
+
+namespace Nancy {
+namespace Misc {
+
+// Base class for handling the engine's custom hypertext format
+// Used by the Textbox and by Autotext action records
+class HypertextParser {
+public:
+	HypertextParser() :
+		_backgroundColor(0),
+		_highlightBackgroundColor(0),
+		_numDrawnLines(0),
+		_drawnTextHeight(0),
+		_needsTextRedraw(false),
+		_defaultTextColor(0),
+		_imageVerticalOffset(0) {}
+	virtual ~HypertextParser() {};
+
+	bool hasBeenDrawn() const { return !_needsTextRedraw; }
+
+protected:
+	void initSurfaces(uint width, uint height, const struct Graphics::PixelFormat &format, uint32 backgroundColor, uint32 highlightBackgroundColor);
+
+	void addTextLine(const Common::String &text);
+	void addImage(uint16 lineID, const Common::Rect &src);
+	void setImageName(const Common::Path &name);
+
+	void drawAllText(const Common::Rect &textBounds, uint leftOffsetNonNewline, uint fontID, uint highlightFontID);
+	virtual void clear();
+
+	Graphics::ManagedSurface _fullSurface; 			// Contains all rendered text (may be cropped)
+	Graphics::ManagedSurface _textHighlightSurface; // Same as above, but drawn with the highlight font
+
+	uint32 _backgroundColor;
+	uint32 _highlightBackgroundColor;
+	uint _defaultTextColor;
+	int _imageVerticalOffset;
+
+	Common::Array<Common::String> _textLines;
+	Common::Array<Common::Rect> _hotspots;
+
+	// Data for displaying images inside text; used in Hypertext
+	Common::Path _imageName;
+	Common::Array<uint16> _imageLineIDs;
+	Common::Array<Common::Rect> _imageSrcs;
+
+	uint16 _numDrawnLines;
+	uint16 _drawnTextHeight;
+	bool _needsTextRedraw;
+};
+
+} // End of namespace Misc
+} // End of namespace Nancy
+
+#endif // NANCY_MISC_HYPERTEXT_H