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/* -*- 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 IOS
#include <headless/svpbmp.hxx>
#include <headless/svpinst.hxx>
#include <headless/svpvd.hxx>
#include <headless/svpgdi.hxx>
#include <basegfx/vector/b2ivector.hxx>
#include <cairo.h>
using namespace basegfx;
SvpSalVirtualDevice::SvpSalVirtualDevice(DeviceFormat eFormat, cairo_surface_t* pRefSurface)
: m_eFormat(eFormat)
, m_pRefSurface(pRefSurface)
, m_pSurface(nullptr)
{
cairo_surface_reference(m_pRefSurface);
}
SvpSalVirtualDevice::~SvpSalVirtualDevice()
{
cairo_surface_destroy(m_pSurface);
cairo_surface_destroy(m_pRefSurface);
}
SalGraphics* SvpSalVirtualDevice::AcquireGraphics()
{
SvpSalGraphics* pGraphics = new SvpSalGraphics();
pGraphics->setSurface(m_pSurface, m_aFrameSize);
m_aGraphics.push_back( pGraphics );
return pGraphics;
}
void SvpSalVirtualDevice::ReleaseGraphics( SalGraphics* pGraphics )
{
m_aGraphics.erase(std::remove(m_aGraphics.begin(), m_aGraphics.end(), dynamic_cast<SvpSalGraphics*>(pGraphics)), m_aGraphics.end());
delete pGraphics;
}
bool SvpSalVirtualDevice::SetSize( long nNewDX, long nNewDY )
{
return SetSizeUsingBuffer(nNewDX, nNewDY, nullptr);
}
bool SvpSalVirtualDevice::SetSizeUsingBuffer( long nNewDX, long nNewDY,
sal_uInt8 *const pBuffer)
{
if (nNewDX == 0)
nNewDX = 1;
if (nNewDY == 0)
nNewDY = 1;
if (!m_pSurface || m_aFrameSize.getX() != nNewDX ||
m_aFrameSize.getY() != nNewDY )
{
m_aFrameSize = basegfx::B2IVector(nNewDX, nNewDY);
if (m_pSurface)
{
cairo_surface_destroy(m_pSurface);
}
if (m_eFormat == DeviceFormat::BITMASK)
{
m_pSurface = cairo_surface_create_similar(m_pRefSurface, CAIRO_CONTENT_ALPHA,
nNewDX, nNewDY);
}
else if (pBuffer)
{
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 14, 0)
double fXScale, fYScale;
cairo_surface_get_device_scale(m_pRefSurface, &fXScale, &fYScale);
nNewDX *= fXScale;
nNewDY *= fYScale;
#endif
m_pSurface = cairo_image_surface_create_for_data(pBuffer, CAIRO_FORMAT_ARGB32,
nNewDX, nNewDY, cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, nNewDX));
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 14, 0)
cairo_surface_set_device_scale(m_pSurface, fXScale, fYScale);
#endif
}
else
{
m_pSurface = cairo_surface_create_similar(m_pRefSurface, CAIRO_CONTENT_COLOR_ALPHA, nNewDX, nNewDY);
}
// update device in existing graphics
for (auto const& graphic : m_aGraphics)
graphic->setSurface(m_pSurface, m_aFrameSize);
}
return true;
}
long SvpSalVirtualDevice::GetWidth() const
{
return m_pSurface ? m_aFrameSize.getX() : 0;
}
long SvpSalVirtualDevice::GetHeight() const
{
return m_pSurface ? m_aFrameSize.getY() : 0;
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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