Files
core/DesktopEditor/graphics/GraphicsLayer.cpp
Alexander Trofimov 76ee07f61c [copyright] Update copyright header
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
2026-05-14 08:23:56 +00:00

101 lines
2.6 KiB
C++

/*
* Copyright (C) Ascensio System SIA, 2009-2026
*
* 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, together with the
* additional terms provided in the LICENSE file.
*
* 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: https://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA by email at info@onlyoffice.com
* or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
* LV-1050, Latvia, European Union.
*
* The interactive user interfaces in modified versions of the Program
* are required to display Appropriate Legal Notices in accordance with
* Section 5 of the GNU AGPL version 3.
*
* No trademark rights are granted under this License.
*
* All non-code elements of the Product, including illustrations,
* icon sets, and technical writing content, are licensed under the
* Creative Commons Attribution-ShareAlike 4.0 International License:
* https://creativecommons.org/licenses/by-sa/4.0/legalcode
*
* This license applies only to such non-code elements and does not
* modify or replace the licensing terms applicable to the Program's
* source code, which remains licensed under the GNU Affero General
* Public License v3.
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
#include "GraphicsLayer.h"
#include <cmath>
namespace Aggplus
{
CGraphicsLayer::CGraphicsLayer(BYTE *pBuffer, bool bExternalBuffer)
: m_pBuffer(pBuffer), m_bExternalBuffer(NULL != pBuffer && bExternalBuffer)
{
SetDefaultSettings();
}
CGraphicsLayer::~CGraphicsLayer()
{
ClearBuffer();
}
bool CGraphicsLayer::Empty() const
{
return NULL == m_pBuffer;
}
BYTE *CGraphicsLayer::GetBuffer()
{
return m_pBuffer;
}
void CGraphicsLayer::SetDefaultSettings()
{
m_oSettings.m_uchOpacity = 255;
}
void CGraphicsLayer::ClearBuffer(bool bDeleteData)
{
if (bDeleteData && !m_bExternalBuffer)
RELEASEARRAYOBJECTS(m_pBuffer);
m_pBuffer = NULL;
}
void CGraphicsLayer::SetSettings(const TGraphicsLayerSettings &oSettings)
{
m_oSettings = oSettings;
}
const TGraphicsLayerSettings &CGraphicsLayer::GetSettings() const
{
return m_oSettings;
}
void CGraphicsLayer::SetOpacity(double dOpacity)
{
if (dOpacity > 1. || dOpacity < 0.)
m_oSettings.m_uchOpacity = 255;
else
{
m_oSettings.m_uchOpacity = ceil(255 * dOpacity);
}
}
void CGraphicsLayer::SetOpacity(BYTE uchOpacity)
{
m_oSettings.m_uchOpacity = uchOpacity;
}
}