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Brian Harris
306
neo/swf/SWF_Text.cpp
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306
neo/swf/SWF_Text.cpp
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/*
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===========================================================================
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Doom 3 BFG Edition GPL Source Code
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Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
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Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 BFG Edition Source Code 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
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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.
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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.
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===========================================================================
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*/
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#pragma hdrstop
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#include "../idlib/precompiled.h"
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#pragma warning( disable: 4189 ) // local variable is initialized but not referenced
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/*
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========================
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idSWF::DefineFont2
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========================
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*/
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void idSWF::DefineFont2( idSWFBitStream & bitstream ) {
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uint16 characterID = bitstream.ReadU16();
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idSWFDictionaryEntry * entry = AddDictionaryEntry( characterID, SWF_DICT_FONT );
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if ( entry == NULL ) {
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return;
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}
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uint8 flags = bitstream.ReadU8();
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uint8 language = bitstream.ReadU8();
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char fontName[257];
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uint8 fontNameLength = bitstream.ReadU8();
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memcpy( fontName, bitstream.ReadData( fontNameLength ), fontNameLength );
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fontName[ fontNameLength ] = 0;
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entry->font->fontID = renderSystem->RegisterFont( fontName );
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uint16 numGlyphs = bitstream.ReadU16();
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entry->font->glyphs.SetNum( numGlyphs );
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if ( flags & BIT( 3 ) ) {
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// 32 bit offsets
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uint32 offsetTableSize = ( numGlyphs + 1 ) * 4;
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idSWFBitStream offsetStream( bitstream.ReadData( offsetTableSize ), offsetTableSize, false );
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if ( offsetStream.ReadU32() != offsetTableSize ) {
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idLib::Warning( "idSWF::DefineFont2: first glyph offset != offsetTableSize" );
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return;
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}
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uint32 previousOffset = offsetTableSize;
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for ( int i = 0; i < numGlyphs; i++ ) {
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uint32 nextOffset = offsetStream.ReadU32();
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uint32 shapeSize = nextOffset - previousOffset;
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previousOffset = nextOffset;
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idSWFBitStream shapeStream( bitstream.ReadData( shapeSize ), shapeSize, false );
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idSWFShapeParser swfShapeParser;
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swfShapeParser.ParseFont( shapeStream, entry->font->glyphs[i] );
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}
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} else {
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// 16 bit offsets
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uint16 offsetTableSize = ( numGlyphs + 1 ) * 2;
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idSWFBitStream offsetStream( bitstream.ReadData( offsetTableSize ), offsetTableSize, false );
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if ( offsetStream.ReadU16() != offsetTableSize ) {
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idLib::Warning( "idSWF::DefineFont2: first glyph offset != offsetTableSize" );
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return;
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}
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uint16 previousOffset = offsetTableSize;
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for ( int i = 0; i < numGlyphs; i++ ) {
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uint16 nextOffset = offsetStream.ReadU16();
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uint16 shapeSize = nextOffset - previousOffset;
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previousOffset = nextOffset;
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idSWFBitStream shapeStream( bitstream.ReadData( shapeSize ), shapeSize, false );
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idSWFShapeParser swfShapeParser;
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swfShapeParser.ParseFont( shapeStream, entry->font->glyphs[i] );
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}
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}
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if ( flags & BIT( 2 ) ) {
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// 16 bit codes
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for ( int i = 0; i < numGlyphs; i++ ) {
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entry->font->glyphs[i].code = bitstream.ReadU16();
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}
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} else {
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// 8 bit codes
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for ( int i = 0; i < numGlyphs; i++ ) {
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entry->font->glyphs[i].code = bitstream.ReadU8();
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}
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}
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if ( flags & BIT( 7 ) ) {
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entry->font->ascent = bitstream.ReadS16();
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entry->font->descent = bitstream.ReadS16();
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entry->font->leading = bitstream.ReadS16();
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for ( int i = 0; i < numGlyphs; i++ ) {
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entry->font->glyphs[i].advance = bitstream.ReadS16();
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}
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for ( int i = 0; i < numGlyphs; i++ ) {
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swfRect_t ignored;
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bitstream.ReadRect( ignored );
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}
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uint16 kearningCount = bitstream.ReadU16();
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if ( flags & BIT( 2 ) ) {
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for ( int i = 0; i < kearningCount; i++ ) {
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uint16 code1 = bitstream.ReadU16();
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uint16 code2 = bitstream.ReadU16();
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int16 adjustment = bitstream.ReadS16();
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}
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} else {
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for ( int i = 0; i < kearningCount; i++ ) {
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uint16 code1 = bitstream.ReadU8();
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uint16 code2 = bitstream.ReadU8();
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int16 adjustment = bitstream.ReadS16();
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}
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}
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}
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}
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/*
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========================
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idSWF::DefineFont3
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========================
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*/
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void idSWF::DefineFont3( idSWFBitStream & bitstream ) {
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DefineFont2( bitstream );
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}
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/*
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========================
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idSWF::DefineTextX
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========================
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*/
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void idSWF::DefineTextX( idSWFBitStream & bitstream, bool rgba ) {
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uint16 characterID = bitstream.ReadU16();
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idSWFDictionaryEntry * entry = AddDictionaryEntry( characterID, SWF_DICT_TEXT );
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if ( entry == NULL ) {
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return;
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}
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idSWFText * text = entry->text;
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bitstream.ReadRect( text->bounds );
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bitstream.ReadMatrix( text->matrix );
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uint8 glyphBits = bitstream.ReadU8();
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uint8 advanceBits = bitstream.ReadU8();
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while ( true ) {
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uint8 flags = bitstream.ReadU8();
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if ( flags == 0 ) {
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break;
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}
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idSWFTextRecord & textRecord = text->textRecords.Alloc();
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if ( flags & BIT( 3 ) ) {
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textRecord.fontID = bitstream.ReadU16();
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}
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if ( flags & BIT( 2 ) ) {
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if ( rgba ) {
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bitstream.ReadColorRGBA( textRecord.color );
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} else {
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bitstream.ReadColorRGB( textRecord.color );
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}
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}
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if ( flags & BIT( 0 ) ) {
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textRecord.xOffset = bitstream.ReadS16();
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}
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if ( flags & BIT( 1 ) ) {
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textRecord.yOffset = bitstream.ReadS16();
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}
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if ( flags & BIT( 3 ) ) {
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textRecord.textHeight = bitstream.ReadU16();
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}
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textRecord.firstGlyph = text->glyphs.Num();
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textRecord.numGlyphs = bitstream.ReadU8();
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for ( int i = 0; i < textRecord.numGlyphs; i++ ) {
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swfGlyphEntry_t & glyph = text->glyphs.Alloc();
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glyph.index = bitstream.ReadU( glyphBits );
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glyph.advance = bitstream.ReadS( advanceBits );
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}
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};
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}
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/*
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========================
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idSWF::DefineText
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========================
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*/
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void idSWF::DefineText( idSWFBitStream & bitstream ) {
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DefineTextX( bitstream, false );
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}
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/*
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========================
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idSWF::DefineText2
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========================
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*/
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void idSWF::DefineText2( idSWFBitStream & bitstream ) {
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DefineTextX( bitstream, true );
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}
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/*
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========================
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idSWF::DefineEditText
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========================
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*/
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void idSWF::DefineEditText( idSWFBitStream & bitstream ) {
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uint16 characterID = bitstream.ReadU16();
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idSWFDictionaryEntry * entry = AddDictionaryEntry( characterID, SWF_DICT_EDITTEXT );
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if ( entry == NULL ) {
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return;
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}
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idSWFEditText * edittext = entry->edittext;
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bitstream.ReadRect( edittext->bounds );
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bitstream.ResetBits();
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bool hasText = bitstream.ReadBool();
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bool wordWrap = bitstream.ReadBool();
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bool multiline = bitstream.ReadBool();
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bool password = bitstream.ReadBool();
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bool readonly = bitstream.ReadBool();
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bool hasTextColor = bitstream.ReadBool();
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bool hasMaxLength = bitstream.ReadBool();
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bool hasFont = bitstream.ReadBool();
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bool hasFontClass = bitstream.ReadBool();
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bool autoSize = bitstream.ReadBool();
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bool hasLayout = bitstream.ReadBool();
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bool noSelect = bitstream.ReadBool();
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bool border = bitstream.ReadBool();
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bool wasStatic = bitstream.ReadBool();
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bool html = bitstream.ReadBool();
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bool useOutlines = bitstream.ReadBool();
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if ( hasFont ) {
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edittext->fontID = bitstream.ReadU16();
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edittext->fontHeight = bitstream.ReadU16();
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}
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if ( hasFontClass ) {
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idStr fontClass = bitstream.ReadString();
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}
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if ( hasTextColor ) {
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bitstream.ReadColorRGBA( edittext->color );
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}
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if ( hasMaxLength ) {
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edittext->maxLength = bitstream.ReadU16();
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}
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if ( hasLayout ) {
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edittext->align = (swfEditTextAlign_t)bitstream.ReadU8();
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edittext->leftMargin = bitstream.ReadU16();
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edittext->rightMargin = bitstream.ReadU16();
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edittext->indent = bitstream.ReadU16();
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edittext->leading = bitstream.ReadS16();
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}
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edittext->variable = bitstream.ReadString();
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if ( hasText ) {
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const char * text = bitstream.ReadString();
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idStr initialText;
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// convert html tags if necessary
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for ( int i = 0; text[i] != 0; i++ ) {
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if ( text[i] == '<' ) {
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if ( i != 0 && text[i+1] == 'p' ) {
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initialText.Append( '\n' );
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}
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for ( ; text[i] != 0 && text[i] != '>'; i++ ) {
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}
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continue;
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}
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byte tc = (byte)text[i];
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if ( tc == '&' ) {
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idStr special;
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for ( i++; text[i] != 0 && text[i] != ';'; i++ ) {
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special.Append( text[i] );
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}
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if ( special.Icmp( "amp" ) == 0 ) {
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tc = '&';
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} else if ( special.Icmp( "apos" ) == 0 ) {
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tc = '\'';
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} else if ( special.Icmp( "lt" ) == 0 ) {
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tc = '<';
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} else if ( special.Icmp( "gt" ) == 0 ) {
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tc = '>';
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} else if ( special.Icmp( "quot" ) == 0 ) {
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tc = '\"';
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}
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}
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initialText.Append( tc );
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}
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edittext->initialText = initialText;
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}
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edittext->flags |= wordWrap ? SWF_ET_WORDWRAP : 0;
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edittext->flags |= multiline ? SWF_ET_MULTILINE : 0;
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edittext->flags |= password ? SWF_ET_PASSWORD : 0;
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edittext->flags |= readonly ? SWF_ET_READONLY : 0;
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edittext->flags |= autoSize ? SWF_ET_AUTOSIZE : 0;
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edittext->flags |= border ? SWF_ET_BORDER : 0;
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}
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