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core/DesktopEditor/graphics/Clip.cpp
Alexander.Trofimov 04d197375c change license to 2017
2017-01-17 18:17:26 +03:00

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/*
* (c) Copyright Ascensio System SIA 2010-2017
*
* 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 Lubanas st. 125a-25, Riga, Latvia,
* EU, LV-1021.
*
* 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 "Clip.h"
namespace Aggplus
{
/////////////////////////////////////////////////////////////////////////////////////
CClipMask::CClipMask() : m_pixf(m_alpha_rbuf)
{
m_pMask = NULL;
m_bIsClip = false;
m_lWidth = 0;
m_lHeight = 0;
}
CClipMask::~CClipMask()
{
Destroy();
}
void CClipMask::Destroy()
{
if (NULL != m_pMask)
delete [] m_pMask;
}
void CClipMask::Reset()
{
m_bIsClip = false;
}
void CClipMask::Create(LONG width, LONG height)
{
Destroy();
m_pMask = new BYTE[width * height];
m_alpha_rbuf.attach(m_pMask, width, height, width);
m_lWidth = width;
m_lHeight = height;
m_pixf.attach(m_alpha_rbuf);
m_base_renderer.attach(m_pixf);
m_renderer.attach(m_base_renderer);
m_renderer.color(agg::gray8(0xFF, 0xFF));
}
void CClipMask::ResetClip()
{
}
void CClipMask::GenerateClip(CGraphicsPath* pPath, CMatrix* pMatrix)
{
if (NULL == pPath)
return;
memset(m_pMask, 0, m_lWidth * m_lHeight);
m_rasterizer.reset();
typedef agg::conv_transform<agg::path_storage> trans_type;
trans_type trans(pPath->m_agg_ps, pMatrix->m_agg_mtx);
typedef agg::conv_curve<trans_type> conv_crv_type;
conv_crv_type c_c_path(trans);
m_rasterizer.add_path(c_c_path);
agg::render_scanlines(m_rasterizer, m_sl, m_renderer);
m_bIsClip = true;
}
agg::rendering_buffer CClipMask::GetRenderingBuffer()
{
return m_alpha_rbuf;
}
BYTE* CClipMask::GetMask()
{
return m_pMask;
}
bool CClipMask::IsClip()
{
return m_bIsClip;
}
/////////////////////////////////////////////////////////////////////////////////////
CClip::CClip() : m_pixf(m_alpha_rbuf)
{
m_pMask = NULL;
m_bIsClip = false;
m_lWidth = 0;
m_lHeight = 0;
}
CClip::~CClip()
{
Destroy();
}
void CClip::Destroy()
{
if (NULL != m_pMask)
delete [] m_pMask;
}
void CClip::Reset()
{
m_bIsClip = false;
}
void CClip::Create(LONG width, LONG height)
{
}
void CClip::ResetClip()
{
}
void CClip::GenerateClip(CGraphicsPath* pPath, CMatrix* pMatrix)
{
if (NULL == pPath)
return;
m_rasterizer.reset();
typedef agg::conv_transform<agg::path_storage> trans_type;
trans_type trans(pPath->m_agg_ps, pMatrix->m_agg_mtx);
typedef agg::conv_curve<trans_type> conv_crv_type;
conv_crv_type c_c_path(trans);
m_rasterizer.add_path(c_c_path);
m_bIsClip = true;
}
agg::rendering_buffer CClip::GetRenderingBuffer()
{
return m_alpha_rbuf;
}
BYTE* CClip::GetMask()
{
return m_pMask;
}
bool CClip::IsClip()
{
return m_bIsClip;
}
/////////////////////////////////////////////////////////////////////////////////////
CClipMulti::CClipMulti()
{
m_bIsClip = false;
m_bIsClip2 = false;
}
CClipMulti::~CClipMulti()
{
}
void CClipMulti::Create(LONG width, LONG height)
{
m_rasterizer.clip_box(0, 0, width, height);
m_bIsClip = false;
m_bIsClip2 = false;
}
void CClipMulti::GenerateClip(CGraphicsPath* pPath, CMatrix* pMatrix)
{
if (NULL == pPath)
return;
m_rasterizer.reset();
typedef agg::conv_transform<agg::path_storage> trans_type;
trans_type trans(pPath->m_agg_ps, pMatrix->m_agg_mtx);
typedef agg::conv_curve<trans_type> conv_crv_type;
conv_crv_type c_c_path(trans);
m_rasterizer.add_path(c_c_path);
m_rasterizer.filling_rule(pPath->m_bEvenOdd ? agg::fill_even_odd : agg::fill_non_zero);
m_bIsClip = true;
m_bIsClip2 = false;
}
void CClipMulti::Combine(CGraphicsPath* pPath, CMatrix* pMatrix, agg::sbool_op_e op)
{
if (!m_bIsClip)
return GenerateClip(pPath, pMatrix);
if (!m_bIsClip2)
{
// смешивать надо с растерайзером
agg::rasterizer_scanline_aa<> rasterizer;
typedef agg::conv_transform<agg::path_storage> trans_type;
trans_type trans(pPath->m_agg_ps, pMatrix->m_agg_mtx);
typedef agg::conv_curve<trans_type> conv_crv_type;
conv_crv_type c_c_path(trans);
rasterizer.add_path(c_c_path);
rasterizer.filling_rule(pPath->m_bEvenOdd ? agg::fill_even_odd : agg::fill_non_zero);
scanline_type sl1;
scanline_type sl2;
scanline_type sl;
agg::sbool_combine_shapes_aa(op, m_rasterizer, rasterizer, sl1, sl2, sl, m_storage1);
m_lCurStorage = 1;
}
else
{
// надо смешивать со стораджем
agg::rasterizer_scanline_aa<> rasterizer;
typedef agg::conv_transform<agg::path_storage> trans_type;
trans_type trans(pPath->m_agg_ps, pMatrix->m_agg_mtx);
typedef agg::conv_curve<trans_type> conv_crv_type;
conv_crv_type c_c_path(trans);
rasterizer.add_path(c_c_path);
rasterizer.filling_rule(pPath->m_bEvenOdd ? agg::fill_even_odd : agg::fill_non_zero);
scanline_type sl1;
scanline_type sl2;
scanline_type sl;
agg::sbool_combine_shapes_aa(op, rasterizer, (m_lCurStorage == 1) ? m_storage1 : m_storage2, sl1, sl2, sl,
(m_lCurStorage == 1) ? m_storage2 : m_storage1);
if (1 == m_lCurStorage)
{
//m_storage1.prepare();
m_lCurStorage = 2;
}
else
{
//m_storage2.prepare();
m_lCurStorage = 1;
}
}
m_bIsClip2 = true;
}
bool CClipMulti::IsClip()
{
return m_bIsClip;
}
bool CClipMulti::IsClip2()
{
return m_bIsClip2;
}
void CClipMulti::Reset()
{
m_rasterizer.reset();
//m_storage1.prepare();
//m_storage2.prepare();
m_bIsClip = false;
m_bIsClip2 = false;
}
}