1 files changed, 148 insertions, 0 deletions
diff --git a/vcl/headless/svpvd.cxx b/vcl/headless/svpvd.cxx
new file mode 100644
index 000000000..70ac5785e
--- /dev/null
+++ b/vcl/headless/svpvd.cxx
@@ -0,0 +1,148 @@
+/* -*- 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 <comphelper/lok.hxx>
+
+#include <cairo.h>
+
+using namespace basegfx;
+
+SvpSalVirtualDevice::SvpSalVirtualDevice(DeviceFormat eFormat, cairo_surface_t* pRefSurface, cairo_surface_t* pPreExistingTarget)
+    : m_eFormat(eFormat)
+    , m_pRefSurface(pRefSurface)
+    , m_pSurface(pPreExistingTarget)
+    , m_bOwnsSurface(!pPreExistingTarget)
+{
+    cairo_surface_reference(m_pRefSurface);
+}
+
+SvpSalVirtualDevice::~SvpSalVirtualDevice()
+{
+    if (m_bOwnsSurface)
+        cairo_surface_destroy(m_pSurface);
+    cairo_surface_destroy(m_pRefSurface);
+}
+
+SvpSalGraphics* SvpSalVirtualDevice::AddGraphics(SvpSalGraphics* pGraphics)
+{
+    pGraphics->setSurface(m_pSurface, m_aFrameSize);
+    m_aGraphics.push_back(pGraphics);
+    return pGraphics;
+}
+
+SalGraphics* SvpSalVirtualDevice::AcquireGraphics()
+{
+    return AddGraphics(new SvpSalGraphics());
+}
+
+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);
+}
+
+void SvpSalVirtualDevice::CreateSurface(long nNewDX, long nNewDY, sal_uInt8 *const pBuffer)
+{
+    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)
+    {
+        double fXScale, fYScale;
+        if (comphelper::LibreOfficeKit::isActive())
+        {
+            // Force scaling of the painting
+            fXScale = fYScale = comphelper::LibreOfficeKit::getDPIScale();
+        }
+        else
+        {
+            dl_cairo_surface_get_device_scale(m_pRefSurface, &fXScale, &fYScale);
+            nNewDX *= fXScale;
+            nNewDY *= fYScale;
+        }
+
+        m_pSurface = cairo_image_surface_create_for_data(pBuffer, CAIRO_FORMAT_ARGB32,
+                            nNewDX, nNewDY, cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, nNewDX));
+
+        dl_cairo_surface_set_device_scale(m_pSurface, fXScale, fYScale);
+    }
+    else
+    {
+        m_pSurface = cairo_surface_create_similar(m_pRefSurface, CAIRO_CONTENT_COLOR_ALPHA, nNewDX, nNewDY);
+    }
+}
+
+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_bOwnsSurface)
+            CreateSurface(nNewDX, nNewDY, pBuffer);
+
+        assert(m_pSurface);
+
+        // 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: */