084d7e2ea2
Change-Id: I7cac4483173e7c75413a6b17a468659ee2790768 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/103508 Tested-by: Jenkins Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
697 lines
19 KiB
C++
697 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_HWPFILTER_SOURCE_DRAWING_H
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#define INCLUDED_HWPFILTER_SOURCE_DRAWING_H
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#include "precompile.h"
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#include <math.h>
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#include <osl/diagnose.h>
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#include <comphelper/newarray.hxx>
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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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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 HIODev *hmem = nullptr;
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static int count = 0;
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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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if (!hmem->read4b(n))
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return false;
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if (hmem->state() || hmem->skipBlock(n) != static_cast<size_t>(n))
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return false;
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}
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if (!hmem->read4b(n))
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return false;
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if (hmem->state())
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return false;
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return hmem->skipBlock(n) == static_cast<size_t>(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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if (!hmem->read4b(SizeRead))
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return -1;
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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;
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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, unsigned short * 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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if (!hmem->read4b(size))
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return false;
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if (hmem->state())
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return false;
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if (size < HDOFILE_COMMON_SIZE)
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return false;
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common_size = HDOFILE_COMMON_SIZE;
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unsigned short tmp16;
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if (!hmem->read2b(tmp16))
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return false;
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hdo->type = tmp16;
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if (!hmem->read2b(tmp16))
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return false;
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*link_info = tmp16;
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if (!hmem->read4b(hdo->offset.x))
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return false;
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if (!hmem->read4b(hdo->offset.y))
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return false;
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if (!hmem->read4b(hdo->extent.w))
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return false;
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if (!hmem->read4b(hdo->extent.h))
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return false;
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if (!hmem->read4b(hdo->offset2.x))
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return false;
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if (!hmem->read4b(hdo->offset2.y))
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return false;
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if (hmem->state())
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return false;
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if (!hmem->read4b(hdo->vrect.x))
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return false;
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if (!hmem->read4b(hdo->vrect.y))
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return false;
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if (!hmem->read4b(hdo->vrect.w))
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return false;
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if (!hmem->read4b(hdo->vrect.h))
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return false;
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// read bare property 44 bytes
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if (!hmem->read4b(hdo->property.line_pstyle))
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return false;
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if (!hmem->read4b(hdo->property.line_hstyle))
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return false;
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if (!hmem->read4b(hdo->property.line_tstyle))
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return false;
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if (!hmem->read4b(hdo->property.line_color))
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return false;
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unsigned int tmp32;
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if (!hmem->read4b(tmp32))
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return false;
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hdo->property.line_width = static_cast<hunit>(tmp32);
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if (!hmem->read4b(hdo->property.fill_color))
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return false;
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if (!hmem->read4b(hdo->property.pattern_type))
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return false;
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if (!hmem->read4b(hdo->property.pattern_color))
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return false;
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if (!hmem->read4b(tmp32))
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return false;
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hdo->property.hmargin = static_cast<hunit>(tmp32);
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if (!hmem->read4b(tmp32))
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return false;
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hdo->property.vmargin = static_cast<hunit>(tmp32);
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if (!hmem->read4b(hdo->property.flag))
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return false;
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// read rotation 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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if (!hmem->read4b(hdo->property.rot_originx))
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return false;
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if (!hmem->read4b(hdo->property.rot_originy))
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return false;
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for (int ii = 0; ii < 3; ++ii)
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{
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if (!hmem->read4b(hdo->property.parall.pt[ii].x))
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return false;
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if (!hmem->read4b(hdo->property.parall.pt[ii].y))
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return false;
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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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if (!hmem->read4b(hdo->property.fromcolor))
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return false;
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if (!hmem->read4b(hdo->property.tocolor))
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return false;
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if (!hmem->read4b(hdo->property.gstyle))
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return false;
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if (!hmem->read4b(hdo->property.angle))
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return false;
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if (!hmem->read4b(hdo->property.center_x))
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return false;
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if (!hmem->read4b(hdo->property.center_y))
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return false;
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if (!hmem->read4b(hdo->property.nstep))
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return false;
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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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if (!hmem->read4b(hdo->property.offset1.x))
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return false;
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if (!hmem->read4b(hdo->property.offset1.y))
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return false;
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if (!hmem->read4b(hdo->property.offset2.x))
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return false;
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if (!hmem->read4b(hdo->property.offset2.y))
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return false;
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if (!hmem->readBlock(hdo->property.szPatternFile, 261))
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return false;
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if (!hmem->read1b(hdo->property.pictype))
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return false;
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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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unsigned char tmp8;
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if (!hmem->read1b(tmp8))
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return false;
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hdo->property.luminance = tmp8;
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if (!hmem->read1b(tmp8))
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return false;
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hdo->property.contrast = tmp8;
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if (!hmem->read1b(tmp8))
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return false;
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hdo->property.greyscale = tmp8;
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common_size += 5;
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}
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else
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{
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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 = nullptr;
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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 std::unique_ptr<HWPDrawingObject> LoadDrawingObject(void)
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{
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HWPDrawingObject *prev = nullptr;
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std::unique_ptr<HWPDrawingObject> hdo, head;
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unsigned short link_info;
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do
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{
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hdo.reset(new HWPDrawingObject);
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if (!LoadCommonHeader(hdo.get(), &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 (int res = HWPDOFunc(hdo.get(), OBJFUNC_LOAD, nullptr, 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 == nullptr)
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{
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goto error;
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}
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}
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if (prev == nullptr)
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{
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head = std::move(hdo);
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prev = head.get();
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}
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else
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{
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prev->next = std::move(hdo);
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prev = prev->next.get();
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}
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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->type < 0 || hdo->type >= HWPDO_NITEMS)
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{
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hdo->type = HWPDO_RECT;
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}
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HWPDOFunc(hdo.get(), OBJFUNC_FREE, nullptr, 0);
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hdo.reset();
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if( prev )
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{
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prev->next = nullptr;
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return head;
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}
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else
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return nullptr;
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}
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static bool LoadDrawingObjectBlock(Picture * pic)
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{
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int size;
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if (!hmem->read4b(size))
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return false;
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if (hmem->state() || size < HDOFILE_HEADER_SIZE)
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return false;
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if (!hmem->read4b(pic->picinfo.picdraw.zorder))
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return false;
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if (!hmem->read4b(pic->picinfo.picdraw.mbrcnt))
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return false;
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if (!hmem->read4b(pic->picinfo.picdraw.vrect.x))
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return false;
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if (!hmem->read4b(pic->picinfo.picdraw.vrect.y))
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return false;
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if (!hmem->read4b(pic->picinfo.picdraw.vrect.w))
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return false;
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if (!hmem->read4b(pic->picinfo.picdraw.vrect.h))
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return false;
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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().release();
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if (pic->picinfo.picdraw.hdo == nullptr)
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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 cmd)
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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 OBJRET_FILE_OK;
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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 = OBJRET_FILE_OK;
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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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if (!hmem->read4b(hdo->u.line_arc.flip))
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return OBJRET_FILE_ERROR;
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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(cmd);
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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(cmd);
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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(cmd);
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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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if (!hmem->read4b(hdo->u.arc.radial[0].x))
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return OBJRET_FILE_ERROR;
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if (!hmem->read4b(hdo->u.arc.radial[0].y))
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return OBJRET_FILE_ERROR;
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if (!hmem->read4b(hdo->u.arc.radial[1].x))
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return OBJRET_FILE_ERROR;
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if (!hmem->read4b(hdo->u.arc.radial[1].y))
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return OBJRET_FILE_ERROR;
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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(cmd);
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}
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return OBJRET_FILE_OK;
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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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{
|
|
switch (cmd)
|
|
{
|
|
case OBJFUNC_LOAD:
|
|
if (ReadSizeField(4) < 4)
|
|
return OBJRET_FILE_ERROR;
|
|
if (!hmem->read4b(hdo->u.line_arc.flip))
|
|
return OBJRET_FILE_ERROR;
|
|
if (hmem->state())
|
|
return OBJRET_FILE_ERROR;
|
|
if (!SkipUnusedField())
|
|
return OBJRET_FILE_ERROR;
|
|
break;
|
|
default:
|
|
return HWPDODefaultFunc(cmd);
|
|
}
|
|
return OBJRET_FILE_OK;
|
|
}
|
|
|
|
|
|
static int
|
|
HWPDOArc2Func(int /*type*/, HWPDrawingObject * /*hdo*/, int cmd, void * /*argp*/, int /*argv*/)
|
|
{
|
|
int ret = OBJRET_FILE_OK;
|
|
switch (cmd)
|
|
{
|
|
case OBJFUNC_LOAD:
|
|
ret = OBJRET_FILE_NO_PRIVATE_BLOCK;
|
|
break;
|
|
default:
|
|
ret = HWPDODefaultFunc(cmd);
|
|
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 = nullptr;
|
|
if (ReadSizeField(4) < 4)
|
|
return OBJRET_FILE_ERROR;
|
|
if (!hmem->read4b(hdo->u.freeform.npt))
|
|
return OBJRET_FILE_ERROR;
|
|
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 =
|
|
::comphelper::newArray_null<ZZPoint>(hdo->u.freeform.npt);
|
|
if (hdo->u.freeform.pt == nullptr)
|
|
{
|
|
hdo->u.freeform.npt = 0;
|
|
return OBJRET_FILE_ERROR;
|
|
}
|
|
for (int ii = 0; ii < hdo->u.freeform.npt; ++ii)
|
|
{
|
|
bool bFailure = false;
|
|
if (!hmem->read4b(hdo->u.freeform.pt[ii].x))
|
|
bFailure = true;
|
|
if (!hmem->read4b(hdo->u.freeform.pt[ii].y))
|
|
bFailure = true;
|
|
if (hmem->state())
|
|
bFailure = true;
|
|
if (bFailure)
|
|
{
|
|
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(cmd);
|
|
}
|
|
return OBJRET_FILE_OK;
|
|
}
|
|
|
|
|
|
// text box
|
|
|
|
static void FreeParaList(HWPPara * para)
|
|
{
|
|
if (para->Next())
|
|
FreeParaList(para->Next());
|
|
delete para;
|
|
}
|
|
|
|
|
|
static HWPPara *LoadParaList()
|
|
{
|
|
if (!hmem)
|
|
return nullptr;
|
|
|
|
HWPFile *hwpf = GetCurrentDoc();
|
|
std::unique_ptr<HIODev> hio = hwpf->SetIODevice(std::unique_ptr<HIODev>(hmem));
|
|
|
|
std::vector< HWPPara* > plist;
|
|
|
|
hwpf->ReadParaList(plist);
|
|
std::unique_ptr<HIODev> orighmem = hwpf->SetIODevice(std::move(hio));
|
|
hmem = orighmem.release();
|
|
|
|
return plist.size()? plist.front() : nullptr;
|
|
}
|
|
|
|
|
|
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 = nullptr;
|
|
}
|
|
break;
|
|
default:
|
|
return HWPDODefaultFunc(cmd);
|
|
}
|
|
return OBJRET_FILE_OK;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
HWPDOContainerFunc(int /*type*/, HWPDrawingObject * /*hdo*/,
|
|
int cmd, void * /*argp*/, int /*argv*/)
|
|
{
|
|
return HWPDODefaultFunc(cmd);
|
|
}
|
|
|
|
|
|
HWPDrawingObject::HWPDrawingObject():
|
|
type(0), offset{0, 0}, offset2{0, 0}, extent{0, 0}, vrect{0, 0, 0, 0}
|
|
{
|
|
memset(&property, 0, sizeof property);
|
|
memset(&u, 0, sizeof u);
|
|
index = ++count;
|
|
}
|
|
|
|
|
|
HWPDrawingObject::~HWPDrawingObject()
|
|
{
|
|
if (property.pPara)
|
|
FreeParaList(property.pPara);
|
|
|
|
HWPDOFunc(this, OBJFUNC_FREE, nullptr, 0);
|
|
}
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|