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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 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 "illusions/illusions.h"
#include "illusions/textdrawer.h"
#include "illusions/screen.h"
#include "illusions/screentext.h"
namespace Illusions {
bool TextDrawer::wrapText(FontResource *font, uint16 *text, WidthHeight *dimensions, Common::Point offsPt,
uint textFlags, uint16 *&outTextPtr) {
_font = font;
_text = text;
_dimensions = dimensions;
_offsPt = offsPt;
_textFlags = textFlags;
// TODO Calc max width/height using textFlags (border, shadow)
_textLines.clear();
bool done = wrapTextIntern(0, 0, dimensions->_width, dimensions->_height, outTextPtr);
// TODO Adjust text dimensions
return done;
}
void TextDrawer::drawText(Screen *screen, Graphics::Surface *surface, uint16 backgroundColor, uint16 borderColor) {
uint16 x = 0;
uint16 y = 0;
if (_textFlags & TEXT_FLAG_BORDER_DECORATION) {
surface->frameRect(Common::Rect(0, 0, surface->w - 3, surface->h - 6), borderColor);
surface->fillRect(Common::Rect(1, 1, surface->w - 4, 4), backgroundColor);
surface->fillRect(Common::Rect(1, surface->h - 10, surface->w - 4, surface->h - 7), backgroundColor);
surface->fillRect(Common::Rect(1, 4, 4, surface->h - 10), backgroundColor);
surface->fillRect(Common::Rect(surface->w - 7, 4, surface->w - 4, surface->h - 10), backgroundColor);
surface->fillRect(Common::Rect(3, surface->h - 7, surface->w, surface->h), borderColor);
surface->fillRect(Common::Rect(surface->w - 3, 6, surface->w, surface->h), borderColor);
x = 4;
y = 4;
}
for (Common::Array<TextLine>::iterator it = _textLines.begin(); it != _textLines.end(); ++it) {
const TextLine &textLine = *it;
if (textLine._text) {
screen->drawText(_font, surface, textLine._x + x, textLine._y + y, textLine._text, textLine._length);
if (_textFlags & TEXT_FLAG_BORDER_DECORATION) {
Common::Rect textRect = _font->calculateRectForText(textLine._text, textLine._length);
// Fill in remainder of text line with background color.
surface->fillRect(Common::Rect(textLine._x + x + textRect.right, textLine._y + y,
surface->w - 4, textLine._y + y + textRect.bottom), backgroundColor);
}
}
#if 0
for (int16 linePos = 0; linePos < textLine._length; ++linePos) {
const uint16 c = textLine._text[linePos];
debugN("%c", c);
}
debug(" ");
#endif
}
}
bool TextDrawer::wrapTextIntern(int16 x, int16 y, int16 maxWidth, int16 maxHeight, uint16 *&outTextPtr) {
bool lineBreak = false;
bool done = false;
bool hasChar13 = textHasChar(13);
uint16 *lineStartText = _text;
uint16 *currText = _text;
outTextPtr = _text;
int16 textPosY = y;
int16 currLineWidth = 0, currLineLen = 0;
int16 currWordWidth = 0, currWordLen = 0;
int16 maxLineWidth = 0;
int16 spaceWidth = getSpaceWidth();
while (*currText && !done) {
currWordWidth = 0;
currWordLen = 0;
do {
currWordWidth += getCharWidth(*currText);
++currText;
++currWordLen;
} while (*currText != 32 && *(currText - 1) != 32 && !hasChar13 && *currText != 13 && *currText);
if (currWordWidth - _font->_widthC > maxWidth) {
while (currWordWidth + currLineWidth - _font->_widthC > maxWidth) {
--currText;
--currWordLen;
currWordWidth -= getCharWidth(*currText);
}
lineBreak = true;
}
if (!lineBreak && currWordWidth + currLineWidth - _font->_widthC > maxWidth) {
lineBreak = true;
} else {
currLineWidth += currWordWidth;
currLineLen += currWordLen;
if (*currText == 0 || *currText == 13)
lineBreak = true;
if (lineBreak) {
currWordLen = 0;
currWordWidth = 0;
}
}
while (lineBreak) {
currLineWidth -= _font->_widthC;
if (textPosY + _font->_charHeight <= maxHeight) {
int16 textPosX;
if (_textFlags & TEXT_FLAG_CENTER_ALIGN) {
textPosX = (_dimensions->_width - currLineWidth) / 2;
maxLineWidth = _dimensions->_width;
} else if (_textFlags & TEXT_FLAG_RIGHT_ALIGN) {
textPosX = _dimensions->_width - currLineWidth;
} else {
textPosX = x;
}
_textLines.push_back(TextLine(lineStartText, currLineLen, textPosX, textPosY));
if (*currText == 13) {
++currText;
if (*currText == 10)
++currText;
while (*currText == 13) {
++currText;
if (*currText == 10)
++currText;
_textLines.push_back(TextLine());
textPosY += _font->_lineIncr + _font->_charHeight;
}
lineStartText = currText;
} else {
lineStartText = currText - currWordLen;
if (*lineStartText == 32) {
++lineStartText;
--currWordLen;
currWordWidth -= spaceWidth;
}
}
outTextPtr = lineStartText;
if (maxLineWidth < currLineWidth)
maxLineWidth = currLineWidth;
currLineWidth = currWordWidth;
currLineLen = currWordLen;
currWordWidth = 0;
currWordLen = 0;
textPosY += _font->_charHeight + _font->_lineIncr;
if (*currText || !currLineLen)
lineBreak = false;
} else {
lineBreak = false;
done = true;
}
}
}
_dimensions->_width = maxLineWidth;
_dimensions->_height = textPosY - _font->_lineIncr;
return !done;
}
bool TextDrawer::textHasChar(uint16 c) {
uint16 *textp = _text;
while (*textp != 0) {
if (*textp == c)
return true;
++textp;
}
return false;
}
int16 TextDrawer::getSpaceWidth() {
return getCharWidth(32);
}
int16 TextDrawer::getCharWidth(uint16 c) {
return _font->getCharInfo(c)->_width + _font->_widthC;
}
// TODO
/*
int16 offsX = (int16)(offsPt.x * 0.75);
int16 offsY = (int16)(offsPt.y * 1.5);
*/
} // End of namespace Illusions
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