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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/.
*/
#include <utility>
#include <QtSvpSurface.hxx>
#include <QtSvpGraphics.hxx>
#include <vcl/sysdata.hxx>
#include <vcl/bitmap.hxx>
#include <vcl/virdev.hxx>
#include <vcl/window.hxx>
#include <basegfx/vector/b2isize.hxx>
namespace
{
Size get_surface_size(cairo_surface_t* surface)
{
cairo_t* cr = cairo_create(surface);
double x1, x2, y1, y2;
cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
cairo_destroy(cr);
return Size(x2 - x1, y2 - y1);
}
}
namespace cairo
{
QtSvpSurface::QtSvpSurface(CairoSurfaceSharedPtr pSurface)
: m_pGraphics(nullptr)
, m_pCairoContext(nullptr)
, m_pSurface(std::move(pSurface))
{
}
QtSvpSurface::QtSvpSurface(const QtSvpGraphics* pGraphics, int x, int y, int width, int height)
: m_pGraphics(pGraphics)
, m_pCairoContext(pGraphics->getCairoContext())
{
cairo_surface_t* surface = cairo_get_target(m_pCairoContext);
m_pSurface.reset(cairo_surface_create_for_rectangle(surface, x, y, width, height),
&cairo_surface_destroy);
}
QtSvpSurface::~QtSvpSurface()
{
if (m_pCairoContext)
cairo_destroy(m_pCairoContext);
}
CairoSharedPtr QtSvpSurface::getCairo() const
{
return CairoSharedPtr(cairo_create(m_pSurface.get()), &cairo_destroy);
}
SurfaceSharedPtr QtSvpSurface::getSimilar(int cairo_content_type, int width, int height) const
{
return std::make_shared<QtSvpSurface>(CairoSurfaceSharedPtr(
cairo_surface_create_similar(
m_pSurface.get(), static_cast<cairo_content_t>(cairo_content_type), width, height),
&cairo_surface_destroy));
}
void QtSvpSurface::flush() const
{
cairo_surface_flush(m_pSurface.get());
if (m_pGraphics)
m_pGraphics->updateQWidget();
}
VclPtr<VirtualDevice> QtSvpSurface::createVirtualDevice() const
{
SystemGraphicsData aSystemGraphicsData;
aSystemGraphicsData.nSize = sizeof(SystemGraphicsData);
aSystemGraphicsData.pSurface = m_pSurface.get();
return VclPtr<VirtualDevice>::Create(aSystemGraphicsData, get_surface_size(m_pSurface.get()),
DeviceFormat::WITHOUT_ALPHA);
}
} // namespace cairo
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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