mirror of
https://github.com/ONLYOFFICE/core.git
synced 2026-07-11 06:22:44 +08:00
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
101 lines
2.6 KiB
C++
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;
|
|
}
|
|
}
|
|
|