vcl: Add GetPixmapFromScreen and RenderPixmapToScreen to X11SalGraphics

Change-Id: I007408885b5752f3abf55075ef025aa6dacbabde

3 files changed, 55 insertions, 2 deletions

diff --git a/vcl/inc/unx/gtk/gtkgdi.hxx b/vcl/inc/unx/gtk/gtkgdi.hxx
index b8b145b218d0..05d763caaae8 100644
--- a/vcl/inc/unx/gtk/gtkgdi.hxx
+++ b/vcl/inc/unx/gtk/gtkgdi.hxx
@@ -114,6 +114,7 @@ private:
 
 #else
 
+class GdkX11Pixmap;
 class GtkSalGraphics : public X11SalGraphics
 {
     GtkWidget           *m_pWindow;
@@ -162,8 +163,8 @@ public:
 protected:
     typedef std::list< Rectangle > clipList;
 
-    GdkPixmap* NWGetPixmapFromScreen( Rectangle srcRect );
-    bool NWRenderPixmapToScreen( GdkPixmap* pPixmap, Rectangle dstRect );
+    GdkX11Pixmap* NWGetPixmapFromScreen( Rectangle srcRect );
+    bool NWRenderPixmapToScreen( GdkX11Pixmap* pPixmap, Rectangle dstRect );
 
     bool NWPaintGTKArrow( GdkDrawable* gdkDrawable, ControlType nType, ControlPart nPart,
                            const Rectangle& rControlRectangle,
diff --git a/vcl/inc/unx/pixmap.hxx b/vcl/inc/unx/pixmap.hxx
new file mode 100644
index 000000000000..f8b23c763f64
--- /dev/null
+++ b/vcl/inc/unx/pixmap.hxx
@@ -0,0 +1,44 @@
+/* -*- 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_UNX_PIXMAP_HXX
+#define INCLUDED_VCL_INC_UNX_PIXMAP_HXX
+
+#include <prex.h>
+#include <postx.h>
+#include <unx/saltype.h>
+#include <vclpluginapi.h>
+
+class VCLPLUG_GEN_PUBLIC X11Pixmap
+{
+public:
+    X11Pixmap();
+    X11Pixmap( Display *pDisplay, SalX11Screen nScreen, int nWidth, int nHeight, int nDepth );
+    X11Pixmap( X11Pixmap& rOther );
+    virtual ~X11Pixmap();
+
+    Pixmap GetPixmap() const { return mpPixmap; };
+    Drawable GetDrawable() const { return mpPixmap; };
+    int GetWidth() const { return mnWidth; };
+    int GetHeight() const { return mnHeight; };
+    int GetDepth() const { return mnDepth; };
+    SalX11Screen GetScreen() const { return mnScreen; }
+
+protected:
+    Display*        mpDisplay;
+    SalX11Screen    mnScreen;
+    Pixmap          mpPixmap;
+    int             mnWidth;
+    int             mnHeight;
+    int             mnDepth;
+};
+
+#endif // INCLUDED_VCL_INC_UNX_PIXMAP_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/unx/salgdi.h b/vcl/inc/unx/salgdi.h
index 549698dd272a..b4eee5f75ccb 100644
--- a/vcl/inc/unx/salgdi.h
+++ b/vcl/inc/unx/salgdi.h
@@ -42,6 +42,7 @@ class SalBitmap;
 class SalColormap;
 class SalDisplay;
 class SalFrame;
+class X11Pixmap;
 class X11SalVirtualDevice;
 class X11SalGraphicsImpl;
 class PspSalPrinter;
@@ -263,6 +264,13 @@ public:
 
     virtual bool               SwapBuffers() SAL_OVERRIDE;
 
+    // create a pixmap from a screen region
+    X11Pixmap* GetPixmapFromScreen( const Rectangle& rRect );
+
+    // render a pixmap to the screen
+    bool RenderPixmapToScreen( X11Pixmap* pPixmap, int nX, int nY );
+
+
     /*  use to handle GraphicsExpose/NoExpose after XCopyArea & friends
      *  if pFrame is not NULL, corresponding Paint events are generated
      *  and dispatched to pFrame