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DocumentServer-v-9.2.0/core/MsBinaryFile/DocFile/DrawingPrimitives.cpp
Yajbir Singh f1b860b25c
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updated
2025-12-11 19:03:17 +05:30

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7.7 KiB
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/*
* (c) Copyright Ascensio System SIA 2010-2023
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#include "DrawingPrimitives.h"
#include "VirtualStreamReader.h"
namespace DocFileFormat
{
DrawingPrimitive * DrawingPrimitive::Create(VirtualStreamReader* reader, int length, short dpk)
{
DrawingPrimitive * dp = NULL;
int pos1 = reader->GetPosition();
switch(dpk)
{
case 0x0000:
dp = new DrawingPrimitiveGroup(reader, length, true);
break;
case 0x0001:
dp = new DrawingPrimitiveLine(reader, length);
break;
case 0x0002: //textbox
dp = new DrawingPrimitiveTextBox(reader, length);
break;
case 0x0003: //rectangle
dp = new DrawingPrimitiveRect(reader, length);
break;
case 0x0004: //elipse
dp = new DrawingPrimitiveElipse(reader, length);
break;
case 0x0005: //arc
dp = new DrawingPrimitiveArc(reader, length);
break;
case 0x0006: //polyline
dp = new DrawingPrimitivePolyline(reader, length);
break;
case 0x0007: //callout textbox
dp = new DrawingPrimitiveCTextBox(reader, length);
break;
case 0x0008: //callout textbox
dp = new DrawingPrimitiveGroup(reader, length, false);
break;
case 0x0009: //sample primitive holding default values
default:
dp = new DrawingPrimitive(reader, length);
break;
}
if (dp)
{
dp->type = dpk;
}
int pos2 = reader->GetPosition();
if (pos2 - pos1 < length && dpk != 0 && dpk != 8)
{
int sz = length - (pos2 - pos1);
unsigned char * data = reader->ReadBytes(sz, true);
if (data)
delete []data;
}
return dp;
}
DrawingPrimitive::DrawingPrimitive(VirtualStreamReader *reader, int length) :
lineWeight(0), lineStyle(0), lineColor(0), fillBack(0), fillFore(0), fillPattern(0), shadowX(0), shadowY(0)
{
xa = reader->ReadInt16();
ya = reader->ReadInt16();
dxa = reader->ReadInt16();
dya = reader->ReadInt16();
}
void DrawingPrimitive::read_fill(VirtualStreamReader* reader)
{
fillBack = read_color(reader);
fillFore = read_color(reader);
fillPattern = reader->ReadInt16();
}
void DrawingPrimitive::read_shadow(VirtualStreamReader* reader)
{
shadowInt = reader->ReadInt16();
shadowX = reader->ReadInt16();
shadowY = reader->ReadInt16();
}
void DrawingPrimitive::read_line(VirtualStreamReader* reader)
{
lineColor = read_color(reader);
lineWeight = reader->ReadInt16();
lineStyle = reader->ReadInt16();
}
long DrawingPrimitive::read_color(VirtualStreamReader* reader)
{
//int ind = reader->ReadUInt32();
//return shemeDefaultColor[ind];
unsigned r = reader->ReadByte();
unsigned g = reader->ReadByte();
unsigned b = reader->ReadByte();
unsigned a = reader->ReadByte();
return ( (r<<16) | (g<<8) | (b) );
}
DrawingPrimitiveGroup::DrawingPrimitiveGroup(VirtualStreamReader *reader, int length, bool start) : DrawingPrimitive(reader, length)
{
strVmlType = L"v:group";
bStart = start;
val = reader->ReadInt16();
}
DrawingPrimitiveLine::DrawingPrimitiveLine(VirtualStreamReader *reader, int length, bool read_as_line) : DrawingPrimitive(reader, length)
{
strVmlType = L"v:line";
if (!read_as_line) return;
read_start_end (reader);
read_line(reader);
read_epp(reader);
read_shadow(reader);
}
void DrawingPrimitiveLine::read_epp(VirtualStreamReader* reader)
{
unsigned short f = reader->ReadUInt16();
eppsStart = FormatUtils::BitmaskToInt (f, 0x0003);
eppwStart = FormatUtils::BitmaskToInt (f, 0x000c);
epplStart = FormatUtils::BitmaskToInt (f, 0x0030);
f = reader->ReadUInt16();
eppsEnd = FormatUtils::BitmaskToInt (f, 0x0003);
eppwEnd = FormatUtils::BitmaskToInt (f, 0x000c);
epplEnd = FormatUtils::BitmaskToInt (f, 0x0030);
}
void DrawingPrimitiveLine::read_start_end(VirtualStreamReader* reader)
{
xaStart = reader->ReadInt16();
yaStart = reader->ReadInt16();
xaEnd = reader->ReadInt16();
yaEnd = reader->ReadInt16();
}
DrawingPrimitiveRect::DrawingPrimitiveRect(VirtualStreamReader *reader, int length) : DrawingPrimitive(reader, length)
{
strVmlType = L"v:rect";
read_line(reader);
read_fill(reader);
read_shadow(reader);
unsigned short f = reader->ReadUInt16();
fRoundCorners = FormatUtils::BitmaskToInt (f, 0x0001);
zaShape = FormatUtils::BitmaskToInt (f, 0x000e);
}
DrawingPrimitiveArc::DrawingPrimitiveArc(VirtualStreamReader *reader, int length) : DrawingPrimitive(reader, length)
{
strVmlType = L"v:oval";//L"v:shape";
read_line (reader);
read_fill (reader);
read_shadow (reader);
unsigned short f = reader->ReadUInt16();
fLeft = FormatUtils::BitmaskToInt (f, 0x00ff);
fUp = FormatUtils::BitmaskToInt (f, 0xff00);
}
DrawingPrimitiveElipse::DrawingPrimitiveElipse(VirtualStreamReader *reader, int length) : DrawingPrimitive(reader, length)
{
strVmlType = L"v:oval";
read_line (reader);
read_fill (reader);
read_shadow (reader);
}
DrawingPrimitiveTextBox::DrawingPrimitiveTextBox(VirtualStreamReader *reader, int length) : DrawingPrimitiveRect(reader, length)
{
}
DrawingPrimitiveCTextBox::DrawingPrimitiveCTextBox(VirtualStreamReader *reader, int length) : DrawingPrimitive(reader, length)
{
strVmlType = L"v:rect";
txbx = NULL;
polyline = NULL;
unsigned short f = reader->ReadUInt16();
dzaOffset = reader->ReadUInt16();
dzaDescent = reader->ReadUInt16();
dzaLength = reader->ReadUInt16();
unsigned short dpk_txbx = reader->ReadUInt16();
unsigned short cb_txbx = reader->ReadUInt16();
txbx = new DrawingPrimitiveTextBox(reader, cb_txbx);
unsigned short dpk_polyline = reader->ReadUInt16();
unsigned short cb_polyline = reader->ReadUInt16();
polyline = new DrawingPrimitivePolyline(reader, cb_polyline);
}
DrawingPrimitiveCTextBox::~DrawingPrimitiveCTextBox()
{
if (polyline) delete polyline;
if (txbx) delete txbx;
}
DrawingPrimitivePolyline::DrawingPrimitivePolyline(VirtualStreamReader *reader, int length) : DrawingPrimitiveLine(reader, length, false)
{
strVmlType = L"v:shape";
read_line(reader);
read_fill(reader);
read_epp(reader);
read_shadow(reader);
unsigned short f = reader->ReadUInt16();
fPolygon = FormatUtils::BitmaskToInt (f, 0x0001);
count = FormatUtils::BitmaskToInt (f, 0x00fe);
read_start_end(reader);
for (int i = 0; i < count; i++)
{
std::pair<short, short> point;
point.first = reader->ReadInt16();
point.second = reader->ReadInt16();
arPoints.push_back(point);
}
}
}