initial implementation of Skia drawing on screen in Windows

Change-Id: I1562bd2cfd1862947042bef3343aefd851a65002

1 files changed, 54 insertions, 0 deletions

diff --git a/vcl/inc/skia/win/gdiimpl.hxx b/vcl/inc/skia/win/gdiimpl.hxx
new file mode 100644
index 000000000000..621d8d4b4a78
--- /dev/null
+++ b/vcl/inc/skia/win/gdiimpl.hxx
@@ -0,0 +1,54 @@
+/* -*- 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/.
+ */
+
+#ifndef INCLUDED_VCL_INC_SKIA_WIN_GDIIMPL_HXX
+#define INCLUDED_VCL_INC_SKIA_WIN_GDIIMPL_HXX
+
+#include <memory>
+#include <vcl/dllapi.h>
+
+#include <skia/gdiimpl.hxx>
+#include <win/salgdi.h>
+
+class ControlCacheKey;
+namespace sk_app
+{
+class WindowContext;
+}
+
+class WinSkiaSalGraphicsImpl : public SkiaSalGraphicsImpl
+{
+private:
+    WinSalGraphics& mWinParent;
+
+public:
+    WinSkiaSalGraphicsImpl(WinSalGraphics& rGraphics, SalGeometryProvider* mpProvider);
+
+    virtual void Init() override;
+    virtual void DeInit() override;
+    virtual void copyBits(const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics) override;
+
+    virtual void freeResources() override;
+
+    bool TryRenderCachedNativeControl(ControlCacheKey const& rControlCacheKey, int nX, int nY);
+
+    bool RenderAndCacheNativeControl(OpenGLCompatibleDC& rWhite, OpenGLCompatibleDC& rBlack, int nX,
+                                     int nY, ControlCacheKey& aControlCacheKey);
+
+protected:
+    virtual void createSurface() override;
+    virtual void performFlush() override;
+
+private:
+    std::unique_ptr<sk_app::WindowContext> mWindowContext;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */