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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/substream.h"
#include "director/director.h"
#include "director/cast.h"
#include "director/stxt.h"
namespace Director {
Stxt::Stxt(Cast *cast, Common::SeekableReadStreamEndian &textStream) : _cast(cast) {
// TODO: Side effects on textStream make this a little hard to understand in context?
_textType = kTextTypeFixed;
_textAlign = kTextAlignLeft;
_textShadow = kSizeNone;
_unk1f = _unk2f = 0;
_unk3f = 0;
_size = textStream.size();
// D4+ variant
if (textStream.size() == 0)
return;
uint32 offset = textStream.readUint32();
if (offset != 12) {
error("Stxt init: unhandled offset");
return;
}
uint32 strLen = textStream.readUint32();
uint32 dataLen = textStream.readUint32();
Common::String text = textStream.readString(0, strLen);
debugC(3, kDebugText, "Stxt init: offset: %d strLen: %d dataLen: %d textlen: %u", offset, strLen, dataLen, text.size());
// TODO: Before applying formatting and decoding the text to a U32String,
// check if the following hold true:
// - The engine platform doesn't match the file platform
// - The movie has a valid font table (FXmp)
// - The font table has a mapping between the two platforms
// - The text has sections written in a font without a Map None qualifier
// If yes, then just those sections should be preprocessed by churning the
// bytes through the appropriate mapping (e.g. if running a Mac file on
// Windows, use the "Mac: => Win:" rules).
// Confirmed in real Director 4 that these sections are preprocessed in
// the cast member on startup and not faked at text render time.
uint16 formattingCount = textStream.readUint16();
uint32 prevPos = 0;
debugC(3, kDebugText, "Stxt init: formattingCount: %u", formattingCount);
Common::U32String logText;
while (formattingCount) {
uint16 currentFont = _style.fontId;
_style.read(textStream, _cast);
assert(prevPos <= _style.formatStartOffset); // If this is triggered, we have to implement sorting
Common::String textPart;
while (prevPos != _style.formatStartOffset) {
char f = text.firstChar();
textPart += f;
text.deleteChar(0);
if (f == '\001') // Insert two \001s as a replacement
_ftext += '\001';
prevPos++;
}
_rtext += textPart;
Common::CodePage encoding = detectFontEncoding(cast->_platform, currentFont);
Common::U32String u32TextPart(textPart, encoding);
_ptext += u32TextPart;
_ftext += u32TextPart;
logText += Common::toPrintable(u32TextPart);
Common::String format = Common::String::format("\001\016%04x%02x%04x%04x%04x%04x", _style.fontId, _style.textSlant, _style.fontSize, _style.r, _style.g, _style.b);
_ftext += format;
logText += Common::toPrintable(format);
formattingCount--;
}
_rtext += text;
Common::CodePage encoding = detectFontEncoding(cast->_platform, _style.fontId);
Common::U32String u32Text(text, encoding);
_ptext += u32Text;
_ftext += u32Text;
logText += Common::toPrintable(u32Text);
debugC(4, kDebugText, "#### text:\n%s\n####", logText.encode(Common::kUtf8).c_str());
}
FontStyle::FontStyle() {
formatStartOffset = 0;
height = 0;
ascent = 0;
fontId = 0;
textSlant = 0;
fontSize = 12;
r = g = b = 0;
}
void FontStyle::read(Common::ReadStreamEndian &stream, Cast *cast) {
formatStartOffset = stream.readUint32();
uint16 originalHeight = height = stream.readUint16();
ascent = stream.readUint16();
uint16 originalFontId = fontId = stream.readUint16();
textSlant = stream.readByte();
stream.readByte(); // padding
fontSize = stream.readUint16();
r = stream.readUint16();
g = stream.readUint16();
b = stream.readUint16();
if (cast->_fontMap.contains(originalFontId)) {
FontMapEntry *info = cast->_fontMap[originalFontId];
fontId = info->toFont;
if (info->sizeMap.contains(originalHeight)) {
height = info->sizeMap[height];
}
}
debugC(3, kDebugLoading, "FontStyle::read(): formatStartOffset: %d, height: %d -> %d ascent: %d, fontId: %d -> %d, textSlant: %d, fontSize: %d, r: %x g: %x b: %x",
formatStartOffset, originalHeight, height, ascent, originalFontId, fontId, textSlant, fontSize, r, g, b);
}
} // End of namespace Director
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