162 lines
3.4 KiB
C++
162 lines
3.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef QDENGINE_SYSTEM_GRAPHICS_UI_TEXT_PARSER_H
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#define QDENGINE_SYSTEM_GRAPHICS_UI_TEXT_PARSER_H
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#include "qdengine/system/graphics/gr_font.h"
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namespace QDEngine {
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struct OutNode {
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enum {
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NEW_LINE,
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TEXT,
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COLOR
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} type;
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int width;
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union {
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struct {
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const char *begin;
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const char *end;
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} nl;
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struct {
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int style;
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} t;
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int color;
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};
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OutNode() : type(NEW_LINE), width(0) { nl.begin = 0; nl.end = 0; }
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OutNode(const char *b, const char *e, int wd) : type(TEXT), width(wd) { nl.begin = b; nl.end = e; }
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OutNode(int clr) : type(COLOR), width(0), color(clr) {}
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};
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typedef Std::vector<OutNode> OutNodes;
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class UI_TextParser {
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public:
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UI_TextParser(const grFont *font = 0);
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UI_TextParser(const UI_TextParser &src);
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void operator= (const UI_TextParser &src);
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void setFont(const grFont *font);
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void parseString(const char *text, int color = 0, int fitIn = -1);
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const OutNodes &outNodes() const {
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return _outNodes;
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}
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int fontHeight() const {
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return _font ? _font->size_y() : 1;
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}
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const Vect2i &size() const {
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return _size;
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}
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int lineCount() const {
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return _lineCount;
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}
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OutNodes::const_iterator getLineBegin(int lineNum) const;
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private:
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void init();
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inline int fromHex(char a) {
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if (a >= '0' && a <= '9')
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return a - '0';
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if (a >= 'A' && a <= 'F')
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return a - 'A' + 10;
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if (a >= 'a' && a <= 'f')
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return a - 'a' + 10;
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return -1;
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}
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inline void addChar(byte cc) {
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int width = _font->char_width(cc);
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if (testWidth(width) || cc != ' ')
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_tagWidth += width;
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++_pstr;
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}
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inline void skipNode() {
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_lineBegin = _pstr;
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_lastSpace = _lineBegin;
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_lastTagWidth = 0;
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_tagWidth = 0;
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}
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inline void putNode(OutNode &node) {
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_outNodes.push_back(node);
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skipNode();
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}
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void putText() {
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if (_pstr == _lineBegin)
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return;
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_lineWidth += _tagWidth;
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OutNode node(_lineBegin, _pstr, _tagWidth);
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putNode(node);
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}
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void endLine() {
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_size.x = MAX(_size.x, _lineWidth);
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_outNodes[_prevLineIndex].width = _lineWidth;
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_lineWidth = 0;
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_outNodes.push_back(OutNode());
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_prevLineIndex = _outNodes.size() - 1;
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++_lineCount;
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}
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void getColor(int defColor);
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int getStyle(const char *styleptr, const char *end);
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int getToken();
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bool testWidth(int width);
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OutNodes _outNodes;
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int _prevLineIndex;
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const char *_lastSpace;
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int _lastTagWidth;
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const char *_lineBegin;
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const char *_pstr;
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int _tagWidth;
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int _lineWidth;
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int _fitIn;
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Vect2i _size;
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int _lineCount;
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const grFont *_font;
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};
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} // namespace QDEngine
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#endif // QDENGINE_SYSTEM_GRAPHICS_UI_TEXT_PARSER_H
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