files structure reorganization, compilation BROKEN. compilation will be fixed soon.
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Pawel Kolodziejski
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08762f496d
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236
engine/textobject.cpp
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236
engine/textobject.cpp
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/* Residual - Virtual machine to run LucasArts' 3D adventure games
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* Copyright (C) 2003-2006 The ScummVM-Residual Team (www.scummvm.org)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library 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 GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; 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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* $URL$
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* $Id$
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*
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*/
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#include "stdafx.h"
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#include "textobject.h"
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#include "engine.h"
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#include "localize.h"
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#include "driver.h"
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std::string parseMsgText(const char *msg, char *msgId);
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TextObjectDefaults sayLineDefaults;
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TextObjectDefaults printLineDefaults;
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TextObjectDefaults textObjectDefaults;
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TextObject::TextObject() :
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_created(false), _x(0), _y(0), _width(0), _height(0), _justify(0),
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_numberLines(1), _disabled(false), _font(NULL), _textBitmap(NULL),
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_bitmapWidthPtr(NULL), _textObjectHandle(NULL) {
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memset(_textID, 0, sizeof(_textID));
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_fgColor._vals[0] = 0;
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_fgColor._vals[1] = 0;
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_fgColor._vals[2] = 0;
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}
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void TextObject::setText(char *text) {
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if (strlen(text) < sizeof(_textID))
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strcpy(_textID, text);
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else {
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error("Text ID exceeded maximum length (%d): %s\n", sizeof(_textID), text);
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// this should be good enough to still be unique
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// but for debug purposes lets make this crash the program so we know about it
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strncpy(_textID, text, sizeof(_textID));
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_textID[sizeof(_textID)] = 0;
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}
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}
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TextObject::~TextObject() {
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destroyBitmap();
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}
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void TextObject::setDefaults(TextObjectDefaults *defaults) {
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_x = defaults->x;
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_y = defaults->x;
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_font = defaults->font;
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_fgColor = defaults->fgColor;
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_justify = defaults->justify;
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_disabled = defaults->disabled;
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}
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int TextObject::getBitmapWidth() {
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if (_bitmapWidthPtr == NULL)
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return 0;
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int width = 0;
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for (int i = 0; i < _numberLines; i++) {
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if (_bitmapWidthPtr[i] > width)
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width = _bitmapWidthPtr[i];
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}
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return width;
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}
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int TextObject::getBitmapHeight() {
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uint height = 0;
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for (int i = 0; i < _numberLines; i++) {
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height += _font->getHeight();
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}
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return height;
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}
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int TextObject::getTextCharPosition(int pos) {
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int width = 0;
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std::string msg = parseMsgText(_textID, NULL);
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for (int i = 0; (msg[i] != '\0') && (i < pos); ++i) {
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width += _font->getCharWidth(msg[i]);
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}
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return width;
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}
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void TextObject::createBitmap() {
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if (_created)
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destroyBitmap();
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std::string msg = parseMsgText(_textID, NULL);
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std::string message;
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char *c = (char *)msg.c_str();
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int lineWidth = 0;
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// remove spaces (NULL_TEXT) from the end of the string,
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// while this helps make the string unique it screws up
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// text justification
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for (int i = (int)msg.length() - 1; c[i] == TEXT_NULL; i--)
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msg.erase(msg.length() - 1, msg.length());
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// remove char of id 13 from the end of the string,
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for (int i = (int)msg.length() - 1; c[i] == 13; i--)
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msg.erase(msg.length() - 1, msg.length());
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// format the output message to incorporate line wrapping
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// (if necessary) for the text object
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_numberLines = 1;
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lineWidth = 0;
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for (int i = 0; msg[i] != '\0'; ++i) {
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lineWidth += MAX(_font->getCharWidth(msg[i]), _font->getCharDataWidth(msg[i]));
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if ((_width != 0 && lineWidth > (_width - _x))
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|| (_justify == CENTER && (_x - lineWidth / 2 < 0 || _x + lineWidth / 2 > 640))
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|| (_justify == LJUSTIFY && (_x + lineWidth > 640))
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|| (_justify == RJUSTIFY && (_x - lineWidth < 0))) {
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lineWidth = 0;
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for (; msg[i] != ' '; i--)
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message.erase(message.length() - 1, message.length());
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message += '\n';
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_numberLines++;
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continue; // don't add the space back
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}
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message += msg[i];
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}
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_textObjectHandle = (Driver::TextObjectHandle **)malloc(sizeof(long) * _numberLines);
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_bitmapWidthPtr = (int *)malloc(sizeof(int) * _numberLines);
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for (int j = 0; j < _numberLines; j++) {
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int nextLinePos = message.find_first_of('\n');
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std::string currentLine = message.substr(0, nextLinePos);
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_bitmapWidthPtr[j] = 0;
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for (int i = 0; currentLine[i] != '\0'; ++i) {
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_bitmapWidthPtr[j] += MAX(_font->getCharWidth(currentLine[i]),
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_font->getCharDataWidth(currentLine[i]));
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}
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_textBitmap = new uint8[_font->getHeight() * (_bitmapWidthPtr[j] + 1)];
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memset(_textBitmap, 0, _font->getHeight() * (_bitmapWidthPtr[j] + 1));
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// Fill bitmap
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int startOffset = 0;
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for (int c = 0; currentLine[c] != '\0'; c++) {
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int ch = currentLine[c];
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int8 startingLine = _font->getCharStartingLine(ch) + _font->getBaseOffsetY();
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int32 charDataWidth = _font->getCharDataWidth(ch);
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int32 charWidth = _font->getCharWidth(ch);
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int8 startingCol = _font->getCharStartingCol(ch);
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for (int line = 0; line < _font->getCharDataHeight(ch); line++) {
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int offset = startOffset + ((_bitmapWidthPtr[j] + 1) * (line + startingLine));
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for (int r = 0; r < charDataWidth; r++) {
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const byte pixel = *(_font->getCharData(ch) + r + (charDataWidth * line));
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byte *dst = _textBitmap + offset + startingCol + r;
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if ((*dst == 0) && (pixel != 0))
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_textBitmap[offset + startingCol + r] = pixel;
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}
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if (line + startingLine >= _font->getHeight())
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break;
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}
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startOffset += charWidth;
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}
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_textObjectHandle[j] = g_driver->createTextBitmap(_textBitmap, _bitmapWidthPtr[j] + 1, _font->getHeight(), _fgColor);
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delete[] _textBitmap;
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message = message.substr(nextLinePos + 1, message.length() - (nextLinePos + 1));
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}
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_created = true;
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}
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void TextObject::destroyBitmap() {
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_created = false;
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if (_textObjectHandle) {
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for (int i = 0; i < _numberLines; i++) {
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g_driver->destroyTextBitmap(_textObjectHandle[i]);
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delete _textObjectHandle[i];
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}
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free(_textObjectHandle);
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_textObjectHandle = NULL;
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}
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if (_bitmapWidthPtr) {
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free(_bitmapWidthPtr);
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_bitmapWidthPtr = NULL;
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}
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}
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void TextObject::draw() {
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int height = 0;
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if (!_created)
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return;
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// render multi-line (wrapped) text
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for (int i = 0; i < _numberLines; i++) {
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int y;
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if (_height != 0)
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y = _y + 5;
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else
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y = _y + 5;
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if (y < 0)
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y = 0;
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if (_justify == LJUSTIFY || _justify == NONE)
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g_driver->drawTextBitmap(_x, height + y, _textObjectHandle[i]);
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else if (_justify == CENTER) {
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int x = _x - (_bitmapWidthPtr[i] / 2);
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if (x < 0)
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x = 0;
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g_driver->drawTextBitmap(x, height + y, _textObjectHandle[i]);
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} else if (_justify == RJUSTIFY) {
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int x = (_x - getBitmapWidth());
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if (x < 0)
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x = 0;
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g_driver->drawTextBitmap(x, height + y, _textObjectHandle[i]);
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} else if (debugLevel == DEBUG_WARN || debugLevel == DEBUG_ALL)
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warning("TextObject::draw: Unknown justification code (%d)!", _justify);
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height += _font->getHeight();
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}
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}
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