671 lines
17 KiB
C
671 lines
17 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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 Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef _DRAWING_H_
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#define _DRAWING_H_
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#include "precompile.h"
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#include <math.h>
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#include "hwplib.h"
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#include "hwpfile.h"
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#include "hiodev.h"
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#include "hbox.h"
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#include "drawdef.h"
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enum
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{
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OBJFUNC_LOAD,
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OBJFUNC_FREE,
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OBJFUNC_DISPLAY,
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OBJFUNC_NITEM
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};
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enum
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{
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BEGIN_GRADATION = 0, LINEAR, RADIAL, CONICAL, SQUARE,
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END_GRADATION, BITMAP_PATTERN
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};
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#define OBJRET_FILE_OK 0
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#define OBJRET_FILE_ERROR (-1)
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#define OBJRET_FILE_NO_PRIVATE_BLOCK (-2)
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#define OBJRET_FILE_NO_PRIVATE_BLOCK_2 (-3)
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typedef int (*HWPDOFuncType) (int, HWPDrawingObject *, int, void *, int);
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#define HWPDOFunc(hdo, cmd, argp, argv) \
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(HWPDOFuncTbl[(hdo)->type]((hdo)->type, (hdo), (cmd), (argp), (argv)))
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#define HWPDOFunc2(type, cmd, argp, argv) \
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(HWPDOFuncTbl[(type)]((type), NULL, (cmd), (argp), (argv)))
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static int HWPDOLineFunc(int, HWPDrawingObject *, int, void *, int);
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static int HWPDORectFunc(int, HWPDrawingObject *, int, void *, int);
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static int HWPDOEllipseFunc(int, HWPDrawingObject *, int, void *, int);
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static int HWPDOArcFunc(int, HWPDrawingObject *, int, void *, int);
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static int HWPDOFreeFormFunc(int, HWPDrawingObject *, int, void *, int);
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static int HWPDOTextBoxFunc(int, HWPDrawingObject *, int, void *, int);
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static int HWPDOEllipse2Func(int, HWPDrawingObject *, int, void *, int);
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static int HWPDOArc2Func(int, HWPDrawingObject *, int, void *, int);
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static int HWPDOContainerFunc(int, HWPDrawingObject *, int, void *, int);
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static HWPPara *LoadParaList();
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HWPDOFuncType HWPDOFuncTbl[] =
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{
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HWPDOContainerFunc,
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HWPDOLineFunc,
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HWPDORectFunc,
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HWPDOEllipseFunc,
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HWPDOArcFunc,
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HWPDOFreeFormFunc,
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HWPDOTextBoxFunc,
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HWPDOFreeFormFunc,
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HWPDOEllipse2Func,
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HWPDOArc2Func,
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HWPDOFreeFormFunc,
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};
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static HMemIODev *hmem = 0;
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static int count = 0;
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inline bool HAVE_FCOLOR(HWPDrawingObject * hdo)
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{
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return hdo->property.fill_color != HWPDO_COLOR_NONE;
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}
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inline bool HAVE_PATTERN(HWPDrawingObject * hdo)
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{
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return (hdo->property.pattern_type & HWPDO_PAT_TYPE_BITS)
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!= HWPDO_PAT_SOLID && hdo->property.pattern_color != HWPDO_COLOR_NONE;
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}
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inline bool HAVE_GRADATION(HWPDrawingObject * hdo)
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{
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return hdo->property.gstyle > BEGIN_GRADATION &&
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hdo->property.gstyle < END_GRADATION &&
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hdo->property.fromcolor != HWPDO_COLOR_NONE &&
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hdo->property.tocolor != HWPDO_COLOR_NONE;
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}
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inline bool HAVE_BITMAP_PATTERN(HWPDrawingObject * hdo)
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{
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return hdo->property.gstyle == BITMAP_PATTERN &&
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hdo->property.szPatternFile[0];
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}
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inline bool HAS_PAT(HWPDrawingObject * hdo)
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{
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return HAVE_FCOLOR(hdo) || HAVE_PATTERN(hdo) ||
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HAVE_GRADATION(hdo) || HAVE_BITMAP_PATTERN(hdo);
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}
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static void SetHdoParallRgn(HWPDrawingObject * hdo, int width, int height)
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{
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hdo->property.parall.pt[0].x = 0;
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hdo->property.parall.pt[0].y = 0;
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hdo->property.parall.pt[1].x = width;
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hdo->property.parall.pt[1].y = 0;
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hdo->property.parall.pt[2].x = width;
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hdo->property.parall.pt[2].y = height;
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}
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static bool SkipPrivateBlock(int type)
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{
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int n;
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if (type == OBJRET_FILE_NO_PRIVATE_BLOCK)
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{
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n = hmem->read4b();
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if (hmem->state() || hmem->skipBlock(n) != n)
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return false;
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}
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n = hmem->read4b();
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if (hmem->state())
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return false;
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return hmem->skipBlock(n) == n;
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}
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static int SizeExpected;
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static int SizeRead;
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static int ReadSizeField(int size)
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{
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SizeExpected = size;
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SizeRead = hmem->read4b();
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if (hmem->state())
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return -1;
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return SizeRead;
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}
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static bool SkipUnusedField(void)
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{
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return (SizeExpected < SizeRead) ?
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hmem->skipBlock(SizeRead - SizeExpected) != 0 : true;
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}
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#define HDOFILE_HEADER_SIZE (2*4+16) // 16=sizeof(ZZRect)
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#define HDOFILE_COMMON_SIZE (7*4+16+44)
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#define HDOFILE_HAS_NEXT 0x01
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#define HDOFILE_HAS_CHILD 0x02
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static bool LoadCommonHeader(HWPDrawingObject * hdo, WORD * link_info)
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{
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uint size, common_size;
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if( !hmem )
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return FALSE;
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size = hmem->read4b();
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if (hmem->state())
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{
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return FALSE;
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}
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if (size < HDOFILE_COMMON_SIZE)
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{
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return FALSE;
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}
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common_size = HDOFILE_COMMON_SIZE;
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hdo->type = hmem->read2b();
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*link_info = sal::static_int_cast<WORD>(hmem->read2b());
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hdo->offset.x = hmem->read4b();
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hdo->offset.y = hmem->read4b();
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hdo->extent.w = hmem->read4b();
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hdo->extent.h = hmem->read4b();
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hdo->offset2.x = hmem->read4b();
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hdo->offset2.y = hmem->read4b();
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if (hmem->state())
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return FALSE;
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hdo->vrect.x = hmem->read4b();
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hdo->vrect.y = hmem->read4b();
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hdo->vrect.w = hmem->read4b();
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hdo->vrect.h = hmem->read4b();
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// read bare property 44 bytes
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hdo->property.line_pstyle = hmem->read4b();
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hdo->property.line_hstyle = hmem->read4b();
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hdo->property.line_tstyle = hmem->read4b();
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hdo->property.line_color = hmem->read4b();
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hdo->property.line_width = (hunit) hmem->read4b();
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hdo->property.fill_color = hmem->read4b();
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hdo->property.pattern_type = hmem->read4b();
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hdo->property.pattern_color = hmem->read4b();
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hdo->property.hmargin = (hunit) hmem->read4b();
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hdo->property.vmargin = (hunit) hmem->read4b();
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hdo->property.flag = hmem->read4b();
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// read ratation property 32 bytes
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if ((size >= common_size + 32)
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&& (hdo->property.flag & HWPDO_FLAG_ROTATION))
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{
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hdo->property.rot_originx = hmem->read4b();
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hdo->property.rot_originy = hmem->read4b();
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for (int ii = 0; ii < 3; ii++)
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{
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hdo->property.parall.pt[ii].x = hmem->read4b();
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hdo->property.parall.pt[ii].y = hmem->read4b();
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}
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common_size += 32;
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}
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else
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SetHdoParallRgn(hdo, hdo->extent.w, hdo->extent.h);
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// read gradient property 28 bytes
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if ((size >= common_size + 28) &&
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(hdo->property.flag & HWPDO_FLAG_GRADATION))
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{
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hdo->property.fromcolor = hmem->read4b();
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hdo->property.tocolor = hmem->read4b();
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hdo->property.gstyle = hmem->read4b();
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hdo->property.angle = hmem->read4b();
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hdo->property.center_x = hmem->read4b();
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hdo->property.center_y = hmem->read4b();
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hdo->property.nstep = hmem->read4b();
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common_size += 28;
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}
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// read bitmap property 278 bytes
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if ((size >= common_size + 278) && \
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(hdo->property.flag & HWPDO_FLAG_BITMAP))
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{
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hdo->property.offset1.x = hmem->read4b();
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hdo->property.offset1.y = hmem->read4b();
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hdo->property.offset2.x = hmem->read4b();
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hdo->property.offset2.y = hmem->read4b();
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if (!hmem->readBlock(hdo->property.szPatternFile, 261))
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return FALSE;
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hdo->property.pictype = sal::static_int_cast<char>(hmem->read1b());
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common_size += 278;
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}
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if( ( size >= common_size + 3 ) && ( hdo->property.flag & HWPDO_FLAG_WATERMARK ) )
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//if( ( size >= common_size ) && ( hdo->property.flag >> 20 & 0x01 ) )
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{
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if( size - common_size >= 5 )
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hmem->skipBlock( 2 );
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hdo->property.luminance = hmem->read1b();
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hdo->property.contrast = hmem->read1b();
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hdo->property.greyscale = hmem->read1b();
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common_size += 5;
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}
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else{
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hdo->property.luminance = 0;
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hdo->property.contrast = 0;
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hdo->property.greyscale = 0;
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}
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hdo->property.pPara = 0L;
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if( ( size > common_size ) && (hdo->property.flag & HWPDO_FLAG_AS_TEXTBOX) )
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{
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hmem->skipBlock(8);
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hdo->property.pPara = LoadParaList();
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if( hdo->property.pPara )
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return TRUE;
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else
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return FALSE;
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}
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if( size <= common_size )
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return TRUE;
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return hmem->skipBlock(size - common_size ) != 0;
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}
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static HWPDrawingObject *LoadDrawingObject(void)
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{
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HWPDrawingObject *hdo, *head, *prev;
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int res;
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WORD link_info;
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head = prev = NULL;
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do
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{
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if ((hdo = new HWPDrawingObject) == NULL)
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{
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goto error;
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}
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if (!LoadCommonHeader(hdo, &link_info))
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{
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goto error;
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}
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if (hdo->type < 0 || hdo->type >= HWPDO_NITEMS)
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{
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hdo->type = HWPDO_RECT;
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if (!SkipPrivateBlock(OBJRET_FILE_NO_PRIVATE_BLOCK))
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{
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goto error;
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}
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}
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else
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{
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switch (res = HWPDOFunc(hdo, OBJFUNC_LOAD, NULL, 0))
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{
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case OBJRET_FILE_ERROR:
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goto error;
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case OBJRET_FILE_OK:
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break;
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case OBJRET_FILE_NO_PRIVATE_BLOCK:
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case OBJRET_FILE_NO_PRIVATE_BLOCK_2:
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if (!SkipPrivateBlock(res))
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goto error;
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break;
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}
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}
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if (link_info & HDOFILE_HAS_CHILD)
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{
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hdo->child = LoadDrawingObject();
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if (hdo->child == NULL)
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{
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}
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}
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if (prev == NULL)
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head = hdo;
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else
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prev->next = hdo;
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prev = hdo;
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}
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while (link_info & HDOFILE_HAS_NEXT);
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return head;
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error:
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// drawing object can be list.
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// hdo = current item, head = list;
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if (hdo != NULL)
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{
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HWPDOFunc(hdo, OBJFUNC_FREE, NULL, 0);
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delete hdo;
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}
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if( prev )
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{
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prev->next = NULL;
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return head;
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}
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else
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return 0;
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}
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static bool LoadDrawingObjectBlock(Picture * pic)
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{
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int size = hmem->read4b();
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if (hmem->state() || size < HDOFILE_HEADER_SIZE)
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return false;
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pic->picinfo.picdraw.zorder = hmem->read4b();
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pic->picinfo.picdraw.mbrcnt = hmem->read4b();
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pic->picinfo.picdraw.vrect.x = hmem->read4b();
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pic->picinfo.picdraw.vrect.y = hmem->read4b();
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pic->picinfo.picdraw.vrect.w = hmem->read4b();
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pic->picinfo.picdraw.vrect.h = hmem->read4b();
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if (size > HDOFILE_HEADER_SIZE &&
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!hmem->skipBlock(size - HDOFILE_HEADER_SIZE))
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return false;
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pic->picinfo.picdraw.hdo = LoadDrawingObject();
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if (pic->picinfo.picdraw.hdo == 0)
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return false;
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return true;
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}
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// object manipulation function
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static int
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HWPDODefaultFunc(int , HWPDrawingObject * , int cmd, void *, int)
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{
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if (cmd == OBJFUNC_LOAD)
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return OBJRET_FILE_NO_PRIVATE_BLOCK;
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return true;
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}
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static int
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HWPDOLineFunc(int type, HWPDrawingObject * hdo, int cmd, void *argp, int argv)
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{
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int ret = true;
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switch (cmd)
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{
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case OBJFUNC_LOAD:
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if (ReadSizeField(4) < 4)
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return OBJRET_FILE_ERROR;
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hdo->u.line_arc.flip = hmem->read4b();
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if (hmem->state())
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return OBJRET_FILE_ERROR;
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if (!SkipUnusedField())
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return OBJRET_FILE_ERROR;
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ret = OBJRET_FILE_NO_PRIVATE_BLOCK_2;
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break;
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default:
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ret = HWPDODefaultFunc(type, hdo, cmd, argp, argv);
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break;
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}
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return ret;
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}
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// rectangle
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static int
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HWPDORectFunc(int type, HWPDrawingObject * hdo, int cmd, void *argp, int argv)
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{
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return HWPDODefaultFunc(type, hdo, cmd, argp, argv);
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}
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// ellipse
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static int
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HWPDOEllipseFunc(int type, HWPDrawingObject * hdo,
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int cmd, void *argp, int argv)
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{
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return HWPDODefaultFunc(type, hdo, cmd, argp, argv);
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}
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#define WTMM(x) ((double)(x) / 1800. * 25.4)
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static int
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HWPDOEllipse2Func(int type, HWPDrawingObject * hdo,
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int cmd, void *argp, int argv)
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{
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switch (cmd)
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{
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case OBJFUNC_LOAD:
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if (ReadSizeField(16) < 16)
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return OBJRET_FILE_ERROR;
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hdo->u.arc.radial[0].x = hmem->read4b();
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hdo->u.arc.radial[0].y = hmem->read4b();
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hdo->u.arc.radial[1].x = hmem->read4b();
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hdo->u.arc.radial[1].y = hmem->read4b();
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if (ReadSizeField(0) < 0)
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return OBJRET_FILE_ERROR;
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break;
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default:
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return HWPDODefaultFunc(type, hdo, cmd, argp, argv);
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}
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return true;
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}
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// arc
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static int
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HWPDOArcFunc(int type, HWPDrawingObject * hdo, int cmd, void *argp, int argv)
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{
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switch (cmd)
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{
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case OBJFUNC_LOAD:
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if (ReadSizeField(4) < 4)
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return OBJRET_FILE_ERROR;
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hdo->u.line_arc.flip = hmem->read4b();
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if (hmem->state())
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return OBJRET_FILE_ERROR;
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if (!SkipUnusedField())
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return OBJRET_FILE_ERROR;
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break;
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default:
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return HWPDODefaultFunc(type, hdo, cmd, argp, argv);
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}
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return true;
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}
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static int
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HWPDOArc2Func(int type, HWPDrawingObject * hdo, int cmd, void *argp, int argv)
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{
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int ret = true;
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switch (cmd)
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{
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case OBJFUNC_LOAD:
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ret = OBJRET_FILE_NO_PRIVATE_BLOCK;
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break;
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default:
|
|
ret = HWPDODefaultFunc(type, hdo, cmd, argp, argv);
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int
|
|
HWPDOFreeFormFunc(int type, HWPDrawingObject * hdo,
|
|
int cmd, void *argp, int argv)
|
|
{
|
|
switch (cmd)
|
|
{
|
|
case OBJFUNC_LOAD:
|
|
{
|
|
hdo->u.freeform.pt = 0;
|
|
if (ReadSizeField(4) < 4)
|
|
return OBJRET_FILE_ERROR;
|
|
hdo->u.freeform.npt = hmem->read4b();
|
|
if (hmem->state())
|
|
return OBJRET_FILE_ERROR;
|
|
if (!SkipUnusedField())
|
|
return OBJRET_FILE_ERROR;
|
|
|
|
int size = hdo->u.freeform.npt * sizeof(ZZPoint);
|
|
|
|
if (ReadSizeField(size) < size)
|
|
return OBJRET_FILE_ERROR;
|
|
if (hdo->u.freeform.npt)
|
|
{
|
|
hdo->u.freeform.pt = new ZZPoint[hdo->u.freeform.npt];
|
|
if (hdo->u.freeform.pt == NULL)
|
|
{
|
|
hdo->u.freeform.npt = 0;
|
|
return OBJRET_FILE_ERROR;
|
|
}
|
|
for (int ii = 0; ii < hdo->u.freeform.npt; ii++)
|
|
{
|
|
hdo->u.freeform.pt[ii].x = hmem->read4b();
|
|
hdo->u.freeform.pt[ii].y = hmem->read4b();
|
|
if (hmem->state())
|
|
{
|
|
delete[]hdo->u.freeform.pt;
|
|
hdo->u.freeform.npt = 0;
|
|
return OBJRET_FILE_ERROR;
|
|
}
|
|
}
|
|
}
|
|
if (!SkipUnusedField())
|
|
return OBJRET_FILE_ERROR;
|
|
return OBJRET_FILE_OK;
|
|
}
|
|
case OBJFUNC_FREE:
|
|
if (hdo->u.freeform.pt)
|
|
delete[]hdo->u.freeform.pt;
|
|
break;
|
|
default:
|
|
return HWPDODefaultFunc(type, hdo, cmd, argp, argv);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
// text box
|
|
|
|
static void FreeParaList(HWPPara * para)
|
|
{
|
|
if (para->Next())
|
|
FreeParaList(para->Next());
|
|
delete para;
|
|
}
|
|
|
|
|
|
static HWPPara *LoadParaList()
|
|
{
|
|
if (!hmem)
|
|
return 0;
|
|
|
|
HWPFile *hwpf = GetCurrentDoc();
|
|
HIODev *hio = hwpf->SetIODevice(hmem);
|
|
|
|
LinkedList < HWPPara > plist;
|
|
|
|
hwpf->ReadParaList(plist);
|
|
hwpf->SetIODevice(hio);
|
|
|
|
return plist.count()? plist.first() : 0;
|
|
}
|
|
|
|
|
|
static int
|
|
HWPDOTextBoxFunc(int type, HWPDrawingObject * hdo,
|
|
int cmd, void *argp, int argv)
|
|
{
|
|
switch (cmd)
|
|
{
|
|
case OBJFUNC_LOAD:
|
|
if (ReadSizeField(0) < 0 || !SkipUnusedField())
|
|
return OBJRET_FILE_ERROR;
|
|
if (ReadSizeField(0) < 0)
|
|
return OBJRET_FILE_ERROR;
|
|
hdo->u.textbox.h = LoadParaList();
|
|
return hdo->u.textbox.h ? OBJRET_FILE_OK : OBJRET_FILE_ERROR;
|
|
case OBJFUNC_FREE:
|
|
if (hdo->u.textbox.h)
|
|
{
|
|
FreeParaList(hdo->u.textbox.h);
|
|
hdo->u.textbox.h = NULL;
|
|
}
|
|
break;
|
|
default:
|
|
return HWPDODefaultFunc(type, hdo, cmd, argp, argv);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
static int
|
|
HWPDOContainerFunc(int type, HWPDrawingObject * hdo,
|
|
int cmd, void *argp, int argv)
|
|
{
|
|
return HWPDODefaultFunc(type, hdo, cmd, argp, argv);
|
|
}
|
|
|
|
|
|
HWPDrawingObject::HWPDrawingObject()
|
|
{
|
|
memset(this, 0, sizeof(HWPDrawingObject));
|
|
index = ++count;
|
|
}
|
|
|
|
|
|
HWPDrawingObject::~HWPDrawingObject()
|
|
{
|
|
#if 0
|
|
if (hdo->property.pictype == PICTYP_EMBED)
|
|
RemoveEmbeddedPic(hdo->property.szPatternFile);
|
|
hdo->property.szPatternFile[0] = 0;
|
|
#endif
|
|
if (child)
|
|
delete child;
|
|
|
|
if (next)
|
|
delete next;
|
|
|
|
HWPDOFunc(this, OBJFUNC_FREE, NULL, 0);
|
|
}
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|