office-gobmx/hwpfilter/source/drawing.h
Noel Grandin bfc1600c6a loplugin:indentation improve checks for brace alignment
Change-Id: I333100fda7e181f68f36b03279b3fbb8cb768310
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/117615
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2021-06-28 10:47:34 +02:00

697 lines
19 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_HWPFILTER_SOURCE_DRAWING_H
#define INCLUDED_HWPFILTER_SOURCE_DRAWING_H
#include "precompile.h"
#include <math.h>
#include <osl/diagnose.h>
#include <comphelper/newarray.hxx>
#include "hwplib.h"
#include "hwpfile.h"
#include "hiodev.h"
#include "hbox.h"
#include "drawdef.h"
enum
{
OBJFUNC_LOAD,
OBJFUNC_FREE,
OBJFUNC_DISPLAY,
OBJFUNC_NITEM
};
enum
{
BEGIN_GRADATION = 0, LINEAR, RADIAL, CONICAL, SQUARE,
END_GRADATION, BITMAP_PATTERN
};
#define OBJRET_FILE_OK 0
#define OBJRET_FILE_ERROR (-1)
#define OBJRET_FILE_NO_PRIVATE_BLOCK (-2)
#define OBJRET_FILE_NO_PRIVATE_BLOCK_2 (-3)
typedef int (*HWPDOFuncType) (int, HWPDrawingObject *, int, void *, int);
#define HWPDOFunc(hdo, cmd, argp, argv) \
(HWPDOFuncTbl[(hdo)->type]((hdo)->type, (hdo), (cmd), (argp), (argv)))
static int HWPDOLineFunc(int, HWPDrawingObject *, int, void *, int);
static int HWPDORectFunc(int, HWPDrawingObject *, int, void *, int);
static int HWPDOEllipseFunc(int, HWPDrawingObject *, int, void *, int);
static int HWPDOArcFunc(int, HWPDrawingObject *, int, void *, int);
static int HWPDOFreeFormFunc(int, HWPDrawingObject *, int, void *, int);
static int HWPDOTextBoxFunc(int, HWPDrawingObject *, int, void *, int);
static int HWPDOEllipse2Func(int, HWPDrawingObject *, int, void *, int);
static int HWPDOArc2Func(int, HWPDrawingObject *, int, void *, int);
static int HWPDOContainerFunc(int, HWPDrawingObject *, int, void *, int);
static HWPPara *LoadParaList();
HWPDOFuncType HWPDOFuncTbl[] =
{
HWPDOContainerFunc,
HWPDOLineFunc,
HWPDORectFunc,
HWPDOEllipseFunc,
HWPDOArcFunc,
HWPDOFreeFormFunc,
HWPDOTextBoxFunc,
HWPDOFreeFormFunc,
HWPDOEllipse2Func,
HWPDOArc2Func,
HWPDOFreeFormFunc,
};
static HIODev *hmem = nullptr;
static int count = 0;
static void SetHdoParallRgn(HWPDrawingObject * hdo, int width, int height)
{
hdo->property.parall.pt[0].x = 0;
hdo->property.parall.pt[0].y = 0;
hdo->property.parall.pt[1].x = width;
hdo->property.parall.pt[1].y = 0;
hdo->property.parall.pt[2].x = width;
hdo->property.parall.pt[2].y = height;
}
static bool SkipPrivateBlock(int type)
{
int n;
if (type == OBJRET_FILE_NO_PRIVATE_BLOCK)
{
if (!hmem->read4b(n))
return false;
if (hmem->state() || hmem->skipBlock(n) != static_cast<size_t>(n))
return false;
}
if (!hmem->read4b(n))
return false;
if (hmem->state())
return false;
return hmem->skipBlock(n) == static_cast<size_t>(n);
}
static int SizeExpected;
static int SizeRead;
static int ReadSizeField(int size)
{
SizeExpected = size;
if (!hmem->read4b(SizeRead))
return -1;
if (hmem->state())
return -1;
return SizeRead;
}
static bool SkipUnusedField(void)
{
return (SizeExpected >= SizeRead) &&
hmem->skipBlock(SizeRead - SizeExpected) != 0;
}
#define HDOFILE_HEADER_SIZE (2*4+16) // 16=sizeof(ZZRect)
#define HDOFILE_COMMON_SIZE (7*4+16+44)
#define HDOFILE_HAS_NEXT 0x01
#define HDOFILE_HAS_CHILD 0x02
static bool LoadCommonHeader(HWPDrawingObject * hdo, unsigned short * link_info)
{
uint size, common_size;
if (!hmem)
return false;
if (!hmem->read4b(size))
return false;
if (hmem->state())
return false;
if (size < HDOFILE_COMMON_SIZE)
return false;
common_size = HDOFILE_COMMON_SIZE;
unsigned short tmp16;
if (!hmem->read2b(tmp16))
return false;
hdo->type = tmp16;
if (!hmem->read2b(tmp16))
return false;
*link_info = tmp16;
if (!hmem->read4b(hdo->offset.x))
return false;
if (!hmem->read4b(hdo->offset.y))
return false;
if (!hmem->read4b(hdo->extent.w))
return false;
if (!hmem->read4b(hdo->extent.h))
return false;
if (!hmem->read4b(hdo->offset2.x))
return false;
if (!hmem->read4b(hdo->offset2.y))
return false;
if (hmem->state())
return false;
if (!hmem->read4b(hdo->vrect.x))
return false;
if (!hmem->read4b(hdo->vrect.y))
return false;
if (!hmem->read4b(hdo->vrect.w))
return false;
if (!hmem->read4b(hdo->vrect.h))
return false;
// read bare property 44 bytes
if (!hmem->read4b(hdo->property.line_pstyle))
return false;
if (!hmem->read4b(hdo->property.line_hstyle))
return false;
if (!hmem->read4b(hdo->property.line_tstyle))
return false;
if (!hmem->read4b(hdo->property.line_color))
return false;
unsigned int tmp32;
if (!hmem->read4b(tmp32))
return false;
hdo->property.line_width = static_cast<hunit>(tmp32);
if (!hmem->read4b(hdo->property.fill_color))
return false;
if (!hmem->read4b(hdo->property.pattern_type))
return false;
if (!hmem->read4b(hdo->property.pattern_color))
return false;
if (!hmem->read4b(tmp32))
return false;
hdo->property.hmargin = static_cast<hunit>(tmp32);
if (!hmem->read4b(tmp32))
return false;
hdo->property.vmargin = static_cast<hunit>(tmp32);
if (!hmem->read4b(hdo->property.flag))
return false;
// read rotation property 32 bytes
if ((size >= common_size + 32)
&& (hdo->property.flag & HWPDO_FLAG_ROTATION))
{
if (!hmem->read4b(hdo->property.rot_originx))
return false;
if (!hmem->read4b(hdo->property.rot_originy))
return false;
for (int ii = 0; ii < 3; ++ii)
{
if (!hmem->read4b(hdo->property.parall.pt[ii].x))
return false;
if (!hmem->read4b(hdo->property.parall.pt[ii].y))
return false;
}
common_size += 32;
}
else
SetHdoParallRgn(hdo, hdo->extent.w, hdo->extent.h);
// read gradient property 28 bytes
if ((size >= common_size + 28) &&
(hdo->property.flag & HWPDO_FLAG_GRADATION))
{
if (!hmem->read4b(hdo->property.fromcolor))
return false;
if (!hmem->read4b(hdo->property.tocolor))
return false;
if (!hmem->read4b(hdo->property.gstyle))
return false;
if (!hmem->read4b(hdo->property.angle))
return false;
if (!hmem->read4b(hdo->property.center_x))
return false;
if (!hmem->read4b(hdo->property.center_y))
return false;
if (!hmem->read4b(hdo->property.nstep))
return false;
common_size += 28;
}
// read bitmap property 278 bytes
if ((size >= common_size + 278) && \
(hdo->property.flag & HWPDO_FLAG_BITMAP))
{
if (!hmem->read4b(hdo->property.offset1.x))
return false;
if (!hmem->read4b(hdo->property.offset1.y))
return false;
if (!hmem->read4b(hdo->property.offset2.x))
return false;
if (!hmem->read4b(hdo->property.offset2.y))
return false;
if (!hmem->readBlock(hdo->property.szPatternFile, 261))
return false;
if (!hmem->read1b(hdo->property.pictype))
return false;
common_size += 278;
}
if( ( size >= common_size + 3 ) && ( hdo->property.flag & HWPDO_FLAG_WATERMARK ) )
//if( ( size >= common_size ) && ( hdo->property.flag >> 20 & 0x01 ) )
{
if (size - common_size >= 5)
hmem->skipBlock(2);
unsigned char tmp8;
if (!hmem->read1b(tmp8))
return false;
hdo->property.luminance = tmp8;
if (!hmem->read1b(tmp8))
return false;
hdo->property.contrast = tmp8;
if (!hmem->read1b(tmp8))
return false;
hdo->property.greyscale = tmp8;
common_size += 5;
}
else
{
hdo->property.luminance = 0;
hdo->property.contrast = 0;
hdo->property.greyscale = 0;
}
hdo->property.pPara = nullptr;
if( ( size > common_size ) && (hdo->property.flag & HWPDO_FLAG_AS_TEXTBOX) )
{
hmem->skipBlock(8);
hdo->property.pPara = LoadParaList();
if( hdo->property.pPara )
return true;
else
return false;
}
if (size <= common_size)
return true;
return hmem->skipBlock(size - common_size ) != 0;
}
static std::unique_ptr<HWPDrawingObject> LoadDrawingObject(void)
{
HWPDrawingObject *prev = nullptr;
std::unique_ptr<HWPDrawingObject> hdo, head;
unsigned short link_info;
do
{
hdo.reset(new HWPDrawingObject);
if (!LoadCommonHeader(hdo.get(), &link_info))
{
goto error;
}
if (hdo->type < 0 || hdo->type >= HWPDO_NITEMS)
{
hdo->type = HWPDO_RECT;
if (!SkipPrivateBlock(OBJRET_FILE_NO_PRIVATE_BLOCK))
{
goto error;
}
}
else
{
switch (int res = HWPDOFunc(hdo.get(), OBJFUNC_LOAD, nullptr, 0))
{
case OBJRET_FILE_ERROR:
goto error;
case OBJRET_FILE_OK:
break;
case OBJRET_FILE_NO_PRIVATE_BLOCK:
case OBJRET_FILE_NO_PRIVATE_BLOCK_2:
if (!SkipPrivateBlock(res))
goto error;
break;
}
}
if (link_info & HDOFILE_HAS_CHILD)
{
hdo->child = LoadDrawingObject();
if (hdo->child == nullptr)
{
goto error;
}
}
if (prev == nullptr)
{
head = std::move(hdo);
prev = head.get();
}
else
{
prev->next = std::move(hdo);
prev = prev->next.get();
}
}
while (link_info & HDOFILE_HAS_NEXT);
return head;
error:
// drawing object can be list.
// hdo = current item, head = list;
if (hdo->type < 0 || hdo->type >= HWPDO_NITEMS)
{
hdo->type = HWPDO_RECT;
}
HWPDOFunc(hdo.get(), OBJFUNC_FREE, nullptr, 0);
hdo.reset();
if( prev )
{
prev->next = nullptr;
return head;
}
else
return nullptr;
}
static bool LoadDrawingObjectBlock(Picture * pic)
{
int size;
if (!hmem->read4b(size))
return false;
if (hmem->state() || size < HDOFILE_HEADER_SIZE)
return false;
if (!hmem->read4b(pic->picinfo.picdraw.zorder))
return false;
if (!hmem->read4b(pic->picinfo.picdraw.mbrcnt))
return false;
if (!hmem->read4b(pic->picinfo.picdraw.vrect.x))
return false;
if (!hmem->read4b(pic->picinfo.picdraw.vrect.y))
return false;
if (!hmem->read4b(pic->picinfo.picdraw.vrect.w))
return false;
if (!hmem->read4b(pic->picinfo.picdraw.vrect.h))
return false;
if (size > HDOFILE_HEADER_SIZE &&
!hmem->skipBlock(size - HDOFILE_HEADER_SIZE))
return false;
pic->picinfo.picdraw.hdo = LoadDrawingObject().release();
if (pic->picinfo.picdraw.hdo == nullptr)
return false;
return true;
}
// object manipulation function
static int
HWPDODefaultFunc(int cmd)
{
if (cmd == OBJFUNC_LOAD)
return OBJRET_FILE_NO_PRIVATE_BLOCK;
return OBJRET_FILE_OK;
}
static int
HWPDOLineFunc(int /*type*/, HWPDrawingObject * hdo, int cmd, void * /*argp*/, int /*argv*/)
{
int ret = OBJRET_FILE_OK;
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;
ret = OBJRET_FILE_NO_PRIVATE_BLOCK_2;
break;
default:
ret = HWPDODefaultFunc(cmd);
break;
}
return ret;
}
// rectangle
static int
HWPDORectFunc(int /*type*/, HWPDrawingObject * /*hdo*/, int cmd, void * /*argp*/, int /*argv*/)
{
return HWPDODefaultFunc(cmd);
}
// ellipse
static int
HWPDOEllipseFunc(int /*type*/, HWPDrawingObject * /*hdo*/,
int cmd, void * /*argp*/, int /*argv*/)
{
return HWPDODefaultFunc(cmd);
}
#define WTMM(x) ((double)(x) / 1800. * 25.4)
static int
HWPDOEllipse2Func(int /*type*/, HWPDrawingObject * hdo,
int cmd, void * /*argp*/, int /*argv*/)
{
switch (cmd)
{
case OBJFUNC_LOAD:
if (ReadSizeField(16) < 16)
return OBJRET_FILE_ERROR;
if (!hmem->read4b(hdo->u.arc.radial[0].x))
return OBJRET_FILE_ERROR;
if (!hmem->read4b(hdo->u.arc.radial[0].y))
return OBJRET_FILE_ERROR;
if (!hmem->read4b(hdo->u.arc.radial[1].x))
return OBJRET_FILE_ERROR;
if (!hmem->read4b(hdo->u.arc.radial[1].y))
return OBJRET_FILE_ERROR;
if (ReadSizeField(0) < 0)
return OBJRET_FILE_ERROR;
break;
default:
return HWPDODefaultFunc(cmd);
}
return OBJRET_FILE_OK;
}
// arc
static int
HWPDOArcFunc(int /*type*/, HWPDrawingObject * hdo, int cmd, void * /*argp*/, int /*argv*/)
{
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: */