Initial commit

engines/sword2/maketext.h

@@ -0,0 +1,138 @@
+/* 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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1994-1998 Revolution Software Ltd.
+ *
+ * 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 SWORD2_MAKETEXT_H
+#define SWORD2_MAKETEXT_H
+
+#include "sword2/debug.h"
+
+namespace Sword2 {
+
+// Output color for character border - should be be black but note that we
+// have to use a different pen number during sequences
+
+#define BORDER_PEN 194
+
+// Usually the only texts on screen are the subtitles and the mouse-over text,
+// but there can also be a considerable number of debugging messages...
+
+#define MAX_text_blocs MAX_DEBUG_TEXTS + 1
+
+enum {
+	// Doesn't keep the text inside the screen - only for debug text!
+	NO_JUSTIFICATION = 0,
+
+	// These all force text inside the screen edge margin when necessary
+	POSITION_AT_CENTER_OF_BASE = 1,
+	POSITION_AT_CENTER_OF_TOP = 2,
+	POSITION_AT_LEFT_OF_TOP = 3,
+	POSITION_AT_RIGHT_OF_TOP = 4,
+	POSITION_AT_LEFT_OF_BASE = 5,
+	POSITION_AT_RIGHT_OF_BASE = 6,
+	POSITION_AT_LEFT_OF_CENTER = 7,
+	POSITION_AT_RIGHT_OF_CENTER = 8,
+	POSITION_AT_CENTER_OF_CENTER = 9
+};
+
+enum {
+	DEFAULT_TEXT = 0,
+	FINNISH_TEXT = 1,
+	POLISH_TEXT = 2
+};
+
+// Info about the text, used to create the SpriteInfo struct
+
+ struct TextBloc {
+	int16 x;
+	int16 y;
+	uint16 type;
+	byte *text_mem;
+};
+
+// Info for each line of words in the output text sprite
+
+struct LineInfo {
+	uint16 width;	// Width in pixels
+	uint16 length;	// Length in characters
+	bool skipSpace; // Whether there is a trailing space
+};
+
+class FontRenderer {
+private:
+	Sword2Engine *_vm;
+	TextBloc _blocList[MAX_text_blocs];
+
+	// Layout variables - these used to be defines, but now we're dealing
+	// with three character sets
+
+	int8 _lineSpacing;	// no. of pixels to separate lines of
+				// characters in the output sprite - negative
+				// for overlap
+	int8 _charSpacing;	// no. of pixels to separate characters along
+				// each line - negative for overlap
+	uint8 _borderPen;	// output pen color of character borders
+
+	Common::HashMap<Common::String, Common::String> _subTranslations;
+	static const int kChineseWidth = 20;
+	static const int kChineseHeight = 26;
+	struct ChineseGlyph {
+		byte bitmap[kChineseWidth * kChineseHeight];
+	};
+	Common::Array<ChineseGlyph> _chineseFont;
+
+	uint16 analyzeSentence(const byte *sentence, uint16 maxWidth, uint32 fontRes, LineInfo *line, bool isChinese);
+	byte *buildTextSprite(const byte *sentence, uint32 fontRes, uint8 pen, LineInfo *line, uint16 noOfLines, bool isChinese);
+	uint16 charWidth(byte ch, uint32 fontRes);
+	uint16 wcharWidth(byte hi, byte lo, uint32 fontRes);
+	uint16 charHeight(uint32 fontRes);
+	byte *findChar(byte ch, byte *charSet);
+	byte *findWChar(byte hi, byte lo, byte *charSet);
+	void copyChar(const byte *charPtr, byte *spritePtr, uint16 spriteWidth, uint8 pen);
+	void copyWChar(const byte *charPtr, byte *spritePtr, uint16 spriteWidth, uint8 pen);
+	void copyCharRaw(const byte *source, uint16 charWidth, uint16 charHeight, byte *spritePtr, uint16 spriteWidth, uint8 pen);
+	bool isKoreanChar(const byte hi, const byte lo, const uint32 fontRes);
+
+public:
+	FontRenderer(Sword2Engine *vm) : _vm(vm) {
+		for (int i = 0; i < MAX_text_blocs; i++)
+			_blocList[i].text_mem = nullptr;
+	}
+
+	~FontRenderer() {
+		for (int i = 0; i < MAX_text_blocs; i++)
+			free(_blocList[i].text_mem);
+	}
+
+	byte *makeTextSprite(const byte *sentence, uint16 maxWidth, uint8 pen, uint32 fontRes, uint8 border = BORDER_PEN);
+
+	void killTextBloc(uint32 bloc_number);
+	void printTextBlocs();
+
+	uint32 buildNewBloc(byte *ascii, int16 x, int16 y, uint16 width, uint8 pen, uint32 type, uint32 fontRes, uint8 justification);
+
+	void loadTranslations();
+};
+
+} // End of namespace Sword2
+
+#endif