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126 lines
3.1 KiB
C++
126 lines
3.1 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "graphics/macgui/mactext.h"
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#include "graphics/font.h"
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namespace Graphics {
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MacText::MacText(Common::String s, Graphics::Font *font, int fgcolor, int bgcolor, int maxWidth) {
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_str = s;
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_font = font;
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_fgcolor = fgcolor;
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_bgcolor = bgcolor;
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_maxWidth = maxWidth;
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_interLinear = 0; // 0 pixels between the lines by default
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if (_maxWidth == -1)
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_textMaxWidth = 1000000; // Some big value
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else
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_textMaxWidth = -1;
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splitString(_str);
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_fullRefresh = true;
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}
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void MacText::splitString(Common::String &str) {
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const char *s = str.c_str();
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Common::String tmp;
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bool prevCR;
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while (*s) {
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if (*s == '\n' && prevCR) { // trean \r\n as one
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prevCR = false;
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continue;
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}
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if (*s == '\r')
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prevCR = true;
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if (*s == '\r' || *s == '\n') {
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_maxWidth = MIN(_font->wordWrapText(tmp, _maxWidth, _text), _maxWidth);
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tmp.clear();
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continue;
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}
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tmp += *s;
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}
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if (_text.size())
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_maxWidth = MIN(_font->wordWrapText(tmp, _maxWidth, _text), _maxWidth);
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}
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void MacText::reallocSurface() {
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int lineHeight = _font->getFontHeight() + _interLinear;
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int requiredHeight = (_text.size() + (_text.size() * 10 + 9) / 10) * lineHeight;
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if (_surface.w < requiredHeight) {
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// realloc surface
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_surface.create(_maxWidth == -1 ? _textMaxWidth : _maxWidth, requiredHeight);
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}
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}
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void MacText::render() {
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if (_fullRefresh) {
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reallocSurface();
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_surface.clear(_bgcolor);
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int y = 0;
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for (uint i = 0; i < _text.size(); i++) {
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_font->drawString(&_surface, _text[i], 0, y, _textMaxWidth, _fgcolor);
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y += _font->getFontHeight() + _interLinear;
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}
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_fullRefresh = false;
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}
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}
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void MacText::draw(ManagedSurface *g, int x, int y, int w, int h, int xoff, int yoff) {
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render();
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if (x + w < _surface.w || y + h < _surface.h) {
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g->fillRect(Common::Rect(x, y, x + w, y + w), _bgcolor);
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}
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g->blitFrom(_surface, Common::Rect(MIN<int>(_surface.w, x), MIN<int>(_surface.h, y),
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MIN<int>(_surface.w, x + w), MIN<int>(_surface.w, y + w)), Common::Point(xoff, yoff));
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}
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void MacText::appendText(Common::String str) {
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//int oldLen = _text.size();
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splitString(str);
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reallocSurface();
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//render(oldLen + 1, _text.size());
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}
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} // End of namespace Graphics
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