doom3-bfg/neo/swf/SWF_Text.cpp

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2012-11-26 18:58:24 +00:00
/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code 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.
Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#pragma hdrstop
#include "../idlib/precompiled.h"
#pragma warning( disable: 4189 ) // local variable is initialized but not referenced
/*
========================
idSWF::DefineFont2
========================
*/
void idSWF::DefineFont2( idSWFBitStream & bitstream ) {
uint16 characterID = bitstream.ReadU16();
idSWFDictionaryEntry * entry = AddDictionaryEntry( characterID, SWF_DICT_FONT );
if ( entry == NULL ) {
return;
}
uint8 flags = bitstream.ReadU8();
uint8 language = bitstream.ReadU8();
char fontName[257];
uint8 fontNameLength = bitstream.ReadU8();
memcpy( fontName, bitstream.ReadData( fontNameLength ), fontNameLength );
fontName[ fontNameLength ] = 0;
entry->font->fontID = renderSystem->RegisterFont( fontName );
uint16 numGlyphs = bitstream.ReadU16();
entry->font->glyphs.SetNum( numGlyphs );
if ( flags & BIT( 3 ) ) {
// 32 bit offsets
uint32 offsetTableSize = ( numGlyphs + 1 ) * 4;
idSWFBitStream offsetStream( bitstream.ReadData( offsetTableSize ), offsetTableSize, false );
if ( offsetStream.ReadU32() != offsetTableSize ) {
idLib::Warning( "idSWF::DefineFont2: first glyph offset != offsetTableSize" );
return;
}
uint32 previousOffset = offsetTableSize;
for ( int i = 0; i < numGlyphs; i++ ) {
uint32 nextOffset = offsetStream.ReadU32();
uint32 shapeSize = nextOffset - previousOffset;
previousOffset = nextOffset;
idSWFBitStream shapeStream( bitstream.ReadData( shapeSize ), shapeSize, false );
idSWFShapeParser swfShapeParser;
swfShapeParser.ParseFont( shapeStream, entry->font->glyphs[i] );
}
} else {
// 16 bit offsets
uint16 offsetTableSize = ( numGlyphs + 1 ) * 2;
idSWFBitStream offsetStream( bitstream.ReadData( offsetTableSize ), offsetTableSize, false );
if ( offsetStream.ReadU16() != offsetTableSize ) {
idLib::Warning( "idSWF::DefineFont2: first glyph offset != offsetTableSize" );
return;
}
uint16 previousOffset = offsetTableSize;
for ( int i = 0; i < numGlyphs; i++ ) {
uint16 nextOffset = offsetStream.ReadU16();
uint16 shapeSize = nextOffset - previousOffset;
previousOffset = nextOffset;
idSWFBitStream shapeStream( bitstream.ReadData( shapeSize ), shapeSize, false );
idSWFShapeParser swfShapeParser;
swfShapeParser.ParseFont( shapeStream, entry->font->glyphs[i] );
}
}
if ( flags & BIT( 2 ) ) {
// 16 bit codes
for ( int i = 0; i < numGlyphs; i++ ) {
entry->font->glyphs[i].code = bitstream.ReadU16();
}
} else {
// 8 bit codes
for ( int i = 0; i < numGlyphs; i++ ) {
entry->font->glyphs[i].code = bitstream.ReadU8();
}
}
if ( flags & BIT( 7 ) ) {
entry->font->ascent = bitstream.ReadS16();
entry->font->descent = bitstream.ReadS16();
entry->font->leading = bitstream.ReadS16();
for ( int i = 0; i < numGlyphs; i++ ) {
entry->font->glyphs[i].advance = bitstream.ReadS16();
}
for ( int i = 0; i < numGlyphs; i++ ) {
swfRect_t ignored;
bitstream.ReadRect( ignored );
}
uint16 kearningCount = bitstream.ReadU16();
if ( flags & BIT( 2 ) ) {
for ( int i = 0; i < kearningCount; i++ ) {
uint16 code1 = bitstream.ReadU16();
uint16 code2 = bitstream.ReadU16();
int16 adjustment = bitstream.ReadS16();
}
} else {
for ( int i = 0; i < kearningCount; i++ ) {
uint16 code1 = bitstream.ReadU8();
uint16 code2 = bitstream.ReadU8();
int16 adjustment = bitstream.ReadS16();
}
}
}
}
/*
========================
idSWF::DefineFont3
========================
*/
void idSWF::DefineFont3( idSWFBitStream & bitstream ) {
DefineFont2( bitstream );
}
/*
========================
idSWF::DefineTextX
========================
*/
void idSWF::DefineTextX( idSWFBitStream & bitstream, bool rgba ) {
uint16 characterID = bitstream.ReadU16();
idSWFDictionaryEntry * entry = AddDictionaryEntry( characterID, SWF_DICT_TEXT );
if ( entry == NULL ) {
return;
}
idSWFText * text = entry->text;
bitstream.ReadRect( text->bounds );
bitstream.ReadMatrix( text->matrix );
uint8 glyphBits = bitstream.ReadU8();
uint8 advanceBits = bitstream.ReadU8();
while ( true ) {
uint8 flags = bitstream.ReadU8();
if ( flags == 0 ) {
break;
}
idSWFTextRecord & textRecord = text->textRecords.Alloc();
if ( flags & BIT( 3 ) ) {
textRecord.fontID = bitstream.ReadU16();
}
if ( flags & BIT( 2 ) ) {
if ( rgba ) {
bitstream.ReadColorRGBA( textRecord.color );
} else {
bitstream.ReadColorRGB( textRecord.color );
}
}
if ( flags & BIT( 0 ) ) {
textRecord.xOffset = bitstream.ReadS16();
}
if ( flags & BIT( 1 ) ) {
textRecord.yOffset = bitstream.ReadS16();
}
if ( flags & BIT( 3 ) ) {
textRecord.textHeight = bitstream.ReadU16();
}
textRecord.firstGlyph = text->glyphs.Num();
textRecord.numGlyphs = bitstream.ReadU8();
for ( int i = 0; i < textRecord.numGlyphs; i++ ) {
swfGlyphEntry_t & glyph = text->glyphs.Alloc();
glyph.index = bitstream.ReadU( glyphBits );
glyph.advance = bitstream.ReadS( advanceBits );
}
};
}
/*
========================
idSWF::DefineText
========================
*/
void idSWF::DefineText( idSWFBitStream & bitstream ) {
DefineTextX( bitstream, false );
}
/*
========================
idSWF::DefineText2
========================
*/
void idSWF::DefineText2( idSWFBitStream & bitstream ) {
DefineTextX( bitstream, true );
}
/*
========================
idSWF::DefineEditText
========================
*/
void idSWF::DefineEditText( idSWFBitStream & bitstream ) {
uint16 characterID = bitstream.ReadU16();
idSWFDictionaryEntry * entry = AddDictionaryEntry( characterID, SWF_DICT_EDITTEXT );
if ( entry == NULL ) {
return;
}
idSWFEditText * edittext = entry->edittext;
bitstream.ReadRect( edittext->bounds );
bitstream.ResetBits();
bool hasText = bitstream.ReadBool();
bool wordWrap = bitstream.ReadBool();
bool multiline = bitstream.ReadBool();
bool password = bitstream.ReadBool();
bool readonly = bitstream.ReadBool();
bool hasTextColor = bitstream.ReadBool();
bool hasMaxLength = bitstream.ReadBool();
bool hasFont = bitstream.ReadBool();
bool hasFontClass = bitstream.ReadBool();
bool autoSize = bitstream.ReadBool();
bool hasLayout = bitstream.ReadBool();
bool noSelect = bitstream.ReadBool();
bool border = bitstream.ReadBool();
bool wasStatic = bitstream.ReadBool();
bool html = bitstream.ReadBool();
bool useOutlines = bitstream.ReadBool();
if ( hasFont ) {
edittext->fontID = bitstream.ReadU16();
edittext->fontHeight = bitstream.ReadU16();
}
if ( hasFontClass ) {
idStr fontClass = bitstream.ReadString();
}
if ( hasTextColor ) {
bitstream.ReadColorRGBA( edittext->color );
}
if ( hasMaxLength ) {
edittext->maxLength = bitstream.ReadU16();
}
if ( hasLayout ) {
edittext->align = (swfEditTextAlign_t)bitstream.ReadU8();
edittext->leftMargin = bitstream.ReadU16();
edittext->rightMargin = bitstream.ReadU16();
edittext->indent = bitstream.ReadU16();
edittext->leading = bitstream.ReadS16();
}
edittext->variable = bitstream.ReadString();
if ( hasText ) {
const char * text = bitstream.ReadString();
idStr initialText;
// convert html tags if necessary
for ( int i = 0; text[i] != 0; i++ ) {
if ( text[i] == '<' ) {
if ( i != 0 && text[i+1] == 'p' ) {
initialText.Append( '\n' );
}
for ( ; text[i] != 0 && text[i] != '>'; i++ ) {
}
continue;
}
byte tc = (byte)text[i];
if ( tc == '&' ) {
idStr special;
for ( i++; text[i] != 0 && text[i] != ';'; i++ ) {
special.Append( text[i] );
}
if ( special.Icmp( "amp" ) == 0 ) {
tc = '&';
} else if ( special.Icmp( "apos" ) == 0 ) {
tc = '\'';
} else if ( special.Icmp( "lt" ) == 0 ) {
tc = '<';
} else if ( special.Icmp( "gt" ) == 0 ) {
tc = '>';
} else if ( special.Icmp( "quot" ) == 0 ) {
tc = '\"';
}
}
initialText.Append( tc );
}
edittext->initialText = initialText;
}
edittext->flags |= wordWrap ? SWF_ET_WORDWRAP : 0;
edittext->flags |= multiline ? SWF_ET_MULTILINE : 0;
edittext->flags |= password ? SWF_ET_PASSWORD : 0;
edittext->flags |= readonly ? SWF_ET_READONLY : 0;
edittext->flags |= autoSize ? SWF_ET_AUTOSIZE : 0;
edittext->flags |= border ? SWF_ET_BORDER : 0;
}