diff options
Diffstat (limited to 'engines/wintermute/base/font/base_font_bitmap.cpp')
| -rw-r--r-- | engines/wintermute/base/font/base_font_bitmap.cpp | 589 |
1 files changed, 589 insertions, 0 deletions
diff --git a/engines/wintermute/base/font/base_font_bitmap.cpp b/engines/wintermute/base/font/base_font_bitmap.cpp new file mode 100644 index 0000000000..fced08c7e2 --- /dev/null +++ b/engines/wintermute/base/font/base_font_bitmap.cpp @@ -0,0 +1,589 @@ +/* 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. + * + */ + +/* + * This file is based on WME Lite. + * http://dead-code.org/redir.php?target=wmelite + * Copyright (c) 2011 Jan Nedoma + */ + +#include "engines/wintermute/base/font/base_font_bitmap.h" +#include "engines/wintermute/utils/string_util.h" +#include "engines/wintermute/base/base_parser.h" +#include "engines/wintermute/base/base_frame.h" +#include "engines/wintermute/base/gfx/base_surface.h" +#include "engines/wintermute/base/base_game.h" +#include "engines/wintermute/base/base_sub_frame.h" +#include "engines/wintermute/base/base_frame.h" +#include "engines/wintermute/base/base_sprite.h" +#include "engines/wintermute/base/base_file_manager.h" +#include "engines/wintermute/platform_osystem.h" + +namespace Wintermute { + +////////////////////////////////////////////////////////////////////// +// Construction/Destruction +////////////////////////////////////////////////////////////////////// + +IMPLEMENT_PERSISTENT(BaseFontBitmap, false) + +////////////////////////////////////////////////////////////////////// +BaseFontBitmap::BaseFontBitmap(BaseGame *inGame) : BaseFont(inGame) { + _subframe = NULL; + _sprite = NULL; + _widthsFrame = 0; + memset(_widths, 0, NUM_CHARACTERS); + _tileWidth = _tileHeight = _numColumns = 0; + _fontextFix = false; + _freezable = false; + _wholeCell = false; +} + + +////////////////////////////////////////////////////////////////////// +BaseFontBitmap::~BaseFontBitmap() { + delete _subframe; + delete _sprite; + _subframe = NULL; + _sprite = NULL; +} + + +////////////////////////////////////////////////////////////////////// +void BaseFontBitmap::drawText(const byte *text, int x, int y, int width, TTextAlign align, int maxHeight, int maxLength) { + textHeightDraw(text, x, y, width, align, true, maxHeight, maxLength); +} + + +////////////////////////////////////////////////////////////////////// +int BaseFontBitmap::getTextHeight(byte *text, int width) { + return textHeightDraw(text, 0, 0, width, TAL_LEFT, false); +} + + +////////////////////////////////////////////////////////////////////// +int BaseFontBitmap::getTextWidth(byte *text, int maxLength) { + AnsiString str; + + if (_gameRef->_textEncoding == TEXT_UTF8) { + WideString wstr = StringUtil::utf8ToWide(Utf8String((char *)text)); + str = StringUtil::wideToAnsi(wstr); + } else { + str = AnsiString((char *)text); + } + + if (maxLength >= 0 && str.size() > (uint32)maxLength) { + str = Common::String(str.c_str(), (uint32)maxLength); + } + //str.substr(0, maxLength); // TODO: Remove + + int textWidth = 0; + for (int i = 0; (uint32)i < str.size(); i++) { + textWidth += getCharWidth((byte)str[i]); + } + + return textWidth; +} + + +////////////////////////////////////////////////////////////////////// +int BaseFontBitmap::textHeightDraw(const byte *text, int x, int y, int width, TTextAlign align, bool draw, int maxHeight, int maxLength) { + if (maxLength == 0) { + return 0; + } + + if (text == NULL || text[0] == '\0') { + return _tileHeight; + } + + AnsiString str; + + if (_gameRef->_textEncoding == TEXT_UTF8) { + WideString wstr = StringUtil::utf8ToWide(Utf8String((const char *)text)); + str = StringUtil::wideToAnsi(wstr); + } else { + str = AnsiString((const char *)text); + } + if (str.empty()) { + return 0; + } + + int lineLength = 0; + int realLength = 0; + int numLines = 0; + + int i; + + int index = -1; + int start = 0; + int end = 0; + int last_end = 0; + + bool done = false; + bool newLine = false; + bool longLine = false; + + if (draw) { + _gameRef->_renderer->startSpriteBatch(); + } + + while (!done) { + if (maxHeight > 0 && (numLines + 1)*_tileHeight > maxHeight) { + if (draw) { + _gameRef->_renderer->endSpriteBatch(); + } + return numLines * _tileHeight; + } + + index++; + + if (str[index] == ' ' && (maxHeight < 0 || maxHeight / _tileHeight > 1)) { + end = index - 1; + realLength = lineLength; + } + + if (str[index] == '\n') { + end = index - 1; + realLength = lineLength; + newLine = true; + } + + if (lineLength + getCharWidth(str[index]) > width && last_end == end) { + end = index - 1; + realLength = lineLength; + newLine = true; + longLine = true; + } + + if ((int)str.size() == (index + 1) || (maxLength >= 0 && index == maxLength - 1)) { + done = true; + if (!newLine) { + end = index; + lineLength += getCharWidth(str[index]); + realLength = lineLength; + } + } else { + lineLength += getCharWidth(str[index]); + } + + if ((lineLength > width) || done || newLine) { + if (end < 0) { + done = true; + } + int startX; + switch (align) { + case TAL_CENTER: + startX = x + (width - realLength) / 2; + break; + case TAL_RIGHT: + startX = x + width - realLength; + break; + case TAL_LEFT: + startX = x; + break; + default: + error("BaseFontBitmap::TextHeightDraw - Unhandled enum"); + break; + } + for (i = start; i < end + 1; i++) { + if (draw) { + drawChar(str[i], startX, y); + } + startX += getCharWidth(str[i]); + } + y += _tileHeight; + last_end = end; + if (longLine) { + end--; + } + start = end + 2; + index = end + 1; + lineLength = 0; + newLine = false; + longLine = false; + numLines++; + } + } + + if (draw) { + _gameRef->_renderer->endSpriteBatch(); + } + + return numLines * _tileHeight; +} + + +////////////////////////////////////////////////////////////////////// +void BaseFontBitmap::drawChar(byte c, int x, int y) { + if (_fontextFix) { + c--; + } + + int row, col; + + row = c / _numColumns; + col = c % _numColumns; + + Rect32 rect; + /* l t r b */ + int tileWidth; + if (_wholeCell) { + tileWidth = _tileWidth; + } else { + tileWidth = _widths[c]; + } + + BasePlatform::setRect(&rect, col * _tileWidth, row * _tileHeight, col * _tileWidth + tileWidth, (row + 1)*_tileHeight); + bool handled = false; + if (_sprite) { + _sprite->getCurrentFrame(); + if (_sprite->_currentFrame >= 0 && _sprite->_currentFrame < (int32)_sprite->_frames.size() && _sprite->_frames[_sprite->_currentFrame]) { + if (_sprite->_frames[_sprite->_currentFrame]->_subframes.size() > 0) { + _sprite->_frames[_sprite->_currentFrame]->_subframes[0]->_surface->displayTrans(x, y, rect); + } + handled = true; + } + } + if (!handled && _subframe) { + _subframe->_surface->displayTrans(x, y, rect); + } +} + + +////////////////////////////////////////////////////////////////////// +bool BaseFontBitmap::loadFile(const Common::String &filename) { + byte *buffer = BaseFileManager::getEngineInstance()->readWholeFile(filename); + if (buffer == NULL) { + _gameRef->LOG(0, "BaseFontBitmap::LoadFile failed for file '%s'", filename.c_str()); + return STATUS_FAILED; + } + + bool ret; + + setFilename(filename.c_str()); + + if (DID_FAIL(ret = loadBuffer(buffer))) { + _gameRef->LOG(0, "Error parsing FONT file '%s'", filename.c_str()); + } + + delete[] buffer; + + return ret; +} + + +TOKEN_DEF_START +TOKEN_DEF(FONTEXT_FIX) +TOKEN_DEF(FONT) +TOKEN_DEF(IMAGE) +TOKEN_DEF(TRANSPARENT) +TOKEN_DEF(COLUMNS) +TOKEN_DEF(TILE_WIDTH) +TOKEN_DEF(TILE_HEIGHT) +TOKEN_DEF(DEFAULT_WIDTH) +TOKEN_DEF(WIDTHS) +TOKEN_DEF(AUTO_WIDTH) +TOKEN_DEF(SPACE_WIDTH) +TOKEN_DEF(EXPAND_WIDTH) +TOKEN_DEF(EDITOR_PROPERTY) +TOKEN_DEF(SPRITE) +TOKEN_DEF(WIDTHS_FRAME) +TOKEN_DEF(PAINT_WHOLE_CELL) +TOKEN_DEF_END +////////////////////////////////////////////////////////////////////// +bool BaseFontBitmap::loadBuffer(byte *buffer) { + TOKEN_TABLE_START(commands) + TOKEN_TABLE(FONTEXT_FIX) + TOKEN_TABLE(FONT) + TOKEN_TABLE(IMAGE) + TOKEN_TABLE(TRANSPARENT) + TOKEN_TABLE(COLUMNS) + TOKEN_TABLE(TILE_WIDTH) + TOKEN_TABLE(TILE_HEIGHT) + TOKEN_TABLE(DEFAULT_WIDTH) + TOKEN_TABLE(WIDTHS) + TOKEN_TABLE(AUTO_WIDTH) + TOKEN_TABLE(SPACE_WIDTH) + TOKEN_TABLE(EXPAND_WIDTH) + TOKEN_TABLE(EDITOR_PROPERTY) + TOKEN_TABLE(SPRITE) + TOKEN_TABLE(WIDTHS_FRAME) + TOKEN_TABLE(PAINT_WHOLE_CELL) + TOKEN_TABLE_END + + char *params; + int cmd; + BaseParser parser; + + if (parser.getCommand((char **)&buffer, commands, (char **)¶ms) != TOKEN_FONT) { + _gameRef->LOG(0, "'FONT' keyword expected."); + return STATUS_FAILED; + } + buffer = (byte *)params; + + int widths[300]; + int num = 0, defaultWidth = 8; + int lastWidth = 0; + int i; + int r = 255, g = 255, b = 255; + bool custoTrans = false; + char *surfaceFile = NULL; + char *spriteFile = NULL; + + bool autoWidth = false; + int spaceWidth = 0; + int expandWidth = 0; + + while ((cmd = parser.getCommand((char **)&buffer, commands, (char **)¶ms)) > 0) { + + switch (cmd) { + case TOKEN_IMAGE: + surfaceFile = (char *)params; + break; + + case TOKEN_SPRITE: + spriteFile = (char *)params; + break; + + case TOKEN_TRANSPARENT: + parser.scanStr(params, "%d,%d,%d", &r, &g, &b); + custoTrans = true; + break; + + case TOKEN_WIDTHS: + parser.scanStr(params, "%D", widths, &num); + for (i = 0; lastWidth < NUM_CHARACTERS && num > 0; lastWidth++, num--, i++) { + _widths[lastWidth] = (byte)widths[i]; + } + break; + + case TOKEN_DEFAULT_WIDTH: + parser.scanStr(params, "%d", &defaultWidth); + break; + + case TOKEN_WIDTHS_FRAME: + parser.scanStr(params, "%d", &_widthsFrame); + break; + + case TOKEN_COLUMNS: + parser.scanStr(params, "%d", &_numColumns); + break; + + case TOKEN_TILE_WIDTH: + parser.scanStr(params, "%d", &_tileWidth); + break; + + case TOKEN_TILE_HEIGHT: + parser.scanStr(params, "%d", &_tileHeight); + break; + + case TOKEN_AUTO_WIDTH: + parser.scanStr(params, "%b", &autoWidth); + break; + + case TOKEN_FONTEXT_FIX: + parser.scanStr(params, "%b", &_fontextFix); + break; + + case TOKEN_PAINT_WHOLE_CELL: + parser.scanStr(params, "%b", &_wholeCell); + break; + + case TOKEN_SPACE_WIDTH: + parser.scanStr(params, "%d", &spaceWidth); + break; + + case TOKEN_EXPAND_WIDTH: + parser.scanStr(params, "%d", &expandWidth); + break; + + case TOKEN_EDITOR_PROPERTY: + parseEditorProperty((byte *)params, false); + break; + } + + } + if (cmd == PARSERR_TOKENNOTFOUND) { + _gameRef->LOG(0, "Syntax error in FONT definition"); + return STATUS_FAILED; + } + + if (spriteFile != NULL) { + delete _sprite; + _sprite = new BaseSprite(_gameRef, this); + if (!_sprite || DID_FAIL(_sprite->loadFile(spriteFile))) { + delete _sprite; + _sprite = NULL; + } + } + + if (surfaceFile != NULL && !_sprite) { + _subframe = new BaseSubFrame(_gameRef); + if (custoTrans) { + _subframe->setSurface(surfaceFile, false, r, g, b); + } else { + _subframe->setSurface(surfaceFile); + } + } + + + if (((_subframe == NULL || _subframe->_surface == NULL) && _sprite == NULL) || _numColumns == 0 || _tileWidth == 0 || _tileHeight == 0) { + _gameRef->LOG(0, "Incomplete font definition"); + return STATUS_FAILED; + } + + if (autoWidth) { + // calculate characters width + getWidths(); + + // do we need to modify widths? + if (expandWidth != 0) { + for (i = 0; i < NUM_CHARACTERS; i++) { + int newWidth = (int)_widths[i] + expandWidth; + if (newWidth < 0) { + newWidth = 0; + } + + _widths[i] = (byte)newWidth; + } + } + + // handle space character + uint32 spaceChar = ' '; + if (_fontextFix) { + spaceChar--; + } + + if (spaceWidth != 0) { + _widths[spaceChar] = spaceWidth; + } else { + if (_widths[spaceChar] == expandWidth || _widths[spaceChar] == 0) { + _widths[spaceChar] = (_widths['m'] + _widths['i']) / 2; + } + } + } else { + for (i = lastWidth; i < NUM_CHARACTERS; i++) { + _widths[i] = defaultWidth; + } + } + + + return STATUS_OK; +} + + +////////////////////////////////////////////////////////////////////////// +bool BaseFontBitmap::persist(BasePersistenceManager *persistMgr) { + + BaseFont::persist(persistMgr); + persistMgr->transfer(TMEMBER(_numColumns)); + + persistMgr->transfer(TMEMBER(_subframe)); + persistMgr->transfer(TMEMBER(_tileHeight)); + persistMgr->transfer(TMEMBER(_tileWidth)); + persistMgr->transfer(TMEMBER(_sprite)); + persistMgr->transfer(TMEMBER(_widthsFrame)); + + if (persistMgr->getIsSaving()) { + persistMgr->putBytes(_widths, sizeof(_widths)); + } else { + persistMgr->getBytes(_widths, sizeof(_widths)); + } + + + persistMgr->transfer(TMEMBER(_fontextFix)); + persistMgr->transfer(TMEMBER(_wholeCell)); + + + return STATUS_OK; +} + + +////////////////////////////////////////////////////////////////////////// +int BaseFontBitmap::getCharWidth(byte index) { + if (_fontextFix) { + index--; + } + return _widths[index]; +} + + +////////////////////////////////////////////////////////////////////////// +bool BaseFontBitmap::getWidths() { + BaseSurface *surf = NULL; + + if (_sprite) { + if (_widthsFrame >= 0 && _widthsFrame < (int32)_sprite->_frames.size()) { + if (_sprite->_frames[_widthsFrame] && (int32)_sprite->_frames[_widthsFrame]->_subframes.size() > 0) { + surf = _sprite->_frames[_widthsFrame]->_subframes[0]->_surface; + } + } + } + if (surf == NULL && _subframe) { + surf = _subframe->_surface; + } + if (!surf || DID_FAIL(surf->startPixelOp())) { + return STATUS_FAILED; + } + + + for (int i = 0; i < NUM_CHARACTERS; i++) { + int xxx = (i % _numColumns) * _tileWidth; + int yyy = (i / _numColumns) * _tileHeight; + + + int minCol = -1; + for (int row = 0; row < _tileHeight; row++) { + for (int col = _tileWidth - 1; col >= minCol + 1; col--) { + if (xxx + col < 0 || xxx + col >= surf->getWidth() || yyy + row < 0 || yyy + row >= surf->getHeight()) { + continue; + } + if (!surf->isTransparentAtLite(xxx + col, yyy + row)) { + //min_col = col; + minCol = MAX(col, minCol); + break; + } + } + if (minCol == _tileWidth - 1) { + break; + } + } + + _widths[i] = minCol + 1; + } + surf->endPixelOp(); + /* + _gameRef->LOG(0, "----- %s ------", _filename); + for(int j=0; j<16; j++) + { + _gameRef->LOG(0, "%02d %02d %02d %02d %02d %02d %02d %02d %02d %02d %02d %02d %02d %02d %02d %02d", _widths[j*16+0], _widths[j*16+1], _widths[j*16+2], _widths[j*16+3], _widths[j*16+4], _widths[j*16+5], _widths[j*16+6], _widths[j*16+7], _widths[j*16+8], _widths[j*16+9], _widths[j*16+10], _widths[j*16+11], _widths[j*16+12], _widths[j*16+13], _widths[j*16+14], _widths[j*16+15]); + } + */ + return STATUS_OK; +} + +////////////////////////////////////////////////////////////////////////// +int BaseFontBitmap::getLetterHeight() { + return _tileHeight; +} + +} // end of namespace Wintermute |