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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 "sludge/allfiles.h"
#include "sludge/fonttext.h"
#include "sludge/graphics.h"
#include "sludge/moreio.h"
#include "sludge/newfatal.h"
#include "sludge/sprites.h"
#include "sludge/sludge.h"
#include "sludge/version.h"
namespace Sludge {
TextManager::TextManager() {
init();
}
TextManager::~TextManager() {
kill();
}
void TextManager::init() {
_theFont.total = 0;
_theFont.sprites = nullptr;
_fontHeight = 0;
_numFontColours = 0;
_loadedFontNum = 0;
_fontSpace = -1;
_pastePalette.init();
_fontTable.clear();
}
void TextManager::kill() {
GraphicsManager::forgetSpriteBank(_theFont);
_pastePalette.kill();
}
bool TextManager::isInFont(const Common::String &theText) {
if (_fontTable.empty())
return 0;
if (theText.empty())
return 0;
Common::U32String str32 = UTF8Converter::convertUtf8ToUtf32(theText);
// We don't want to compare strings. Only single characters allowed!
if (str32.size() > 1)
return false;
uint32 c = str32[0];
// check if font order contains the utf8 char
return _fontOrder.getU32String().contains(c);
}
int TextManager::stringLength(const Common::String &theText) {
Common::U32String str32 = UTF8Converter::convertUtf8ToUtf32(theText);
return str32.size();
}
int TextManager::stringWidth(const Common::String &theText) {
int xOff = 0;
if (_fontTable.empty())
return 0;
Common::U32String str32 = UTF8Converter::convertUtf8ToUtf32(theText);
for (uint i = 0; i < str32.size(); ++i) {
uint32 c = str32[i];
xOff += _theFont.sprites[fontInTable(c)].surface.w + _fontSpace;
}
return xOff;
}
void TextManager::pasteString(const Common::String &theText, int xOff, int y, SpritePalette &thePal) {
if (_fontTable.empty())
return;
xOff += (int)((float)(_fontSpace >> 1) / g_sludge->_gfxMan->getCamZoom());
Common::U32String str32 = UTF8Converter::convertUtf8ToUtf32(theText);
for (uint32 i = 0; i < str32.size(); ++i) {
uint32 c = str32[i];
Sprite *mySprite = &_theFont.sprites[fontInTable(c)];
g_sludge->_gfxMan->fontSprite(xOff, y, *mySprite, thePal);
xOff += (int)((double)(mySprite->surface.w + _fontSpace) / g_sludge->_gfxMan->getCamZoom());
}
}
void TextManager::pasteStringToBackdrop(const Common::String &theText, int xOff, int y) {
if (_fontTable.empty())
return;
Common::U32String str32 = UTF8Converter::convertUtf8ToUtf32(theText);
xOff += _fontSpace >> 1;
for (uint32 i = 0; i < str32.size(); ++i) {
uint32 c = str32[i];
Sprite *mySprite = &_theFont.sprites[fontInTable(c)];
g_sludge->_gfxMan->pasteSpriteToBackDrop(xOff, y, *mySprite, _pastePalette);
xOff += mySprite->surface.w + _fontSpace;
}
}
void TextManager::burnStringToBackdrop(const Common::String &theText, int xOff, int y) {
if (_fontTable.empty())
return;
Common::U32String str32 = UTF8Converter::convertUtf8ToUtf32(theText);
xOff += _fontSpace >> 1;
for (uint i = 0; i < str32.size(); ++i) {
uint32 c = str32[i];
Sprite *mySprite = &_theFont.sprites[fontInTable(c)];
g_sludge->_gfxMan->burnSpriteToBackDrop(xOff, y, *mySprite, _pastePalette);
xOff += mySprite->surface.w + _fontSpace;
}
}
bool TextManager::loadFont(int filenum, const Common::String &charOrder, int h) {
_fontOrder.setUTF8String(charOrder);
g_sludge->_gfxMan->forgetSpriteBank(_theFont);
_loadedFontNum = filenum;
// get max value among all utf8 chars
Common::U32String fontOrderString = _fontOrder.getU32String();
// create an index table from utf8 char to the index
if (!_fontTable.empty()) {
_fontTable.clear();
}
for (uint i = 0; i < fontOrderString.size(); ++i) {
uint32 c = fontOrderString[i];
_fontTable[c] = i;
}
if (!g_sludge->_gfxMan->loadSpriteBank(filenum, _theFont, true)) {
fatal("Can't load font");
return false;
}
_numFontColours = _theFont.myPalette.total;
_fontHeight = h;
return true;
}
// load & save
void TextManager::saveFont(Common::WriteStream *stream) {
stream->writeByte(!_fontTable.empty());
if (!_fontTable.empty() > 0) {
stream->writeUint16BE(_loadedFontNum);
stream->writeUint16BE(_fontHeight);
writeString(_fontOrder.getUTF8String(), stream);
}
stream->writeSint16LE(_fontSpace);
}
void TextManager::loadFont(int ssgVersion, Common::SeekableReadStream *stream) {
bool fontLoaded = stream->readByte();
int fontNum = 0;
Common::String charOrder = "";
if (fontLoaded) {
fontNum = stream->readUint16BE();
_fontHeight = stream->readUint16BE();
if (ssgVersion < VERSION(2, 2)) {
char *tmp = new char[257];
for (int a = 0; a < 256; a++) {
int x = stream->readByte();
tmp[x] = a;
}
tmp[256] = 0;
charOrder = tmp;
delete []tmp;
} else {
charOrder = readString(stream);
}
}
loadFont(fontNum, charOrder, _fontHeight);
_fontSpace = stream->readSint16LE();
}
} // End of namespace Sludge
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