1 files changed, 158 insertions, 0 deletions
diff --git a/graphics/macgui/mactext.cpp b/graphics/macgui/mactext.cpp
new file mode 100644
index 0000000000..06354457f2
--- /dev/null
+++ b/graphics/macgui/mactext.cpp
@@ -0,0 +1,158 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "graphics/macgui/mactext.h"
+#include "graphics/font.h"
+
+namespace Graphics {
+
+MacText::MacText(Common::String s, Graphics::Font *font, int fgcolor, int bgcolor, int maxWidth) {
+	_str = s;
+	_font = font;
+	_fgcolor = fgcolor;
+	_bgcolor = bgcolor;
+	_maxWidth = maxWidth;
+	_surface = nullptr;
+
+	_interLinear = 0; // 0 pixels between the lines by default
+
+	if (_maxWidth == -1)
+		_textMaxWidth = 1000000; // Some big value
+	else
+		_textMaxWidth = -1;
+
+	splitString(_str);
+
+	_fullRefresh = true;
+}
+
+void MacText::splitString(Common::String &str) {
+	const char *s = str.c_str();
+
+	Common::String tmp;
+	bool prevCR = false;
+
+	while (*s) {
+		if (*s == '\n' && prevCR) {	// trean \r\n as one
+			prevCR = false;
+			continue;
+		}
+
+		if (*s == '\r')
+			prevCR = true;
+
+		if (*s == '\r' || *s == '\n') {
+			_maxWidth = MIN(_font->wordWrapText(tmp, _maxWidth, _text), _maxWidth);
+
+			tmp.clear();
+
+			continue;
+		}
+
+		tmp += *s;
+	}
+
+	if (tmp.size())
+		_maxWidth = MIN(_font->wordWrapText(tmp, _maxWidth, _text), _maxWidth);
+}
+
+void MacText::reallocSurface() {
+	int lineH = _font->getFontHeight() + _interLinear;
+	// round to closest 10
+	int requiredH = (_text.size() + (_text.size() * 10 + 9) / 10) * lineH;
+	int surfW = _maxWidth == -1 ? _textMaxWidth : _maxWidth;
+
+	if (!_surface) {
+		_surface = new ManagedSurface(surfW, requiredH);
+
+		return;
+	}
+
+	if (_surface->h < requiredH) {
+		// realloc surface and copy old content
+		ManagedSurface *n = new ManagedSurface(surfW, requiredH);
+		n->blitFrom(*_surface, Common::Point(0, 0));
+
+		delete _surface;
+		_surface = n;
+	}
+}
+
+void MacText::render() {
+	if (_fullRefresh) {
+		render(0, _text.size());
+
+		_fullRefresh = false;
+	}
+}
+
+void MacText::render(int from, int to) {
+	reallocSurface();
+
+	from = MAX<int>(0, from);
+	to = MIN<int>(to, _text.size());
+
+	int lineH = _font->getFontHeight() + _interLinear;
+	int y = from * lineH;
+
+	// Clear the screen
+	_surface->fillRect(Common::Rect(0, y, _surface->w, to * lineH), _bgcolor);
+
+	for (uint i = from; i < to; i++) {
+		_font->drawString(_surface, _text[i], 0, y, _textMaxWidth, _fgcolor);
+
+		y += _font->getFontHeight() + _interLinear;
+	}
+
+}
+
+void MacText::draw(ManagedSurface *g, int x, int y, int w, int h, int xoff, int yoff) {
+	render();
+
+	if (x + w < _surface->w || y + h < _surface->h) {
+		g->fillRect(Common::Rect(x, y, x + w, y + w), _bgcolor);
+	}
+
+	g->blitFrom(*_surface, Common::Rect(MIN<int>(_surface->w, x),     MIN<int>(_surface->h, y),
+									    MIN<int>(_surface->w, x + w), MIN<int>(_surface->w, y + w)),
+										Common::Point(xoff, yoff));
+}
+
+void MacText::appendText(Common::String str) {
+	int oldLen = _text.size();
+
+	splitString(str);
+
+	render(oldLen + 1, _text.size());
+}
+
+void MacText::replaceLastLine(Common::String str) {
+	int oldLen = MAX<int>(0, _text.size() - 1);
+
+	if (_text.size())
+		_text.pop_back();
+
+	splitString(str);
+
+	render(oldLen, _text.size());
+}
+
+} // End of namespace Graphics