From 2986eb869c0b00d6c7e3860ba0b757efe22d1759 Mon Sep 17 00:00:00 2001
From: Stefan Csomor <csomor@advancedconcepts.ch>
Date: Fri, 2 Oct 2009 19:45:03 +0000
Subject: [PATCH] adding construction from native bitmaps

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62226 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/graphics.h       |  3 +++
 src/generic/graphicc.cpp    | 23 +++++++++++++++++++++++
 src/msw/graphics.cpp        | 16 ++++++++++++++++
 src/osx/carbon/graphics.cpp | 17 +++++++++++++++--
 4 files changed, 57 insertions(+), 2 deletions(-)

diff --git a/include/wx/graphics.h b/include/wx/graphics.h
index 322e2b769f..ef8501e4ed 100644
--- a/include/wx/graphics.h
+++ b/include/wx/graphics.h
@@ -657,6 +657,9 @@ public:
 
     // create a native bitmap representation
     virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) = 0;
+    
+    // create a graphics bitmap from a native bitmap
+    virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap ) = 0;
 
     // create a subimage from a native image representation
     virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  ) = 0;
diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index d2a9ab089f..50965a5b99 100644
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -290,6 +290,7 @@ class wxCairoBitmapData : public wxGraphicsObjectRefData
 {
 public:
     wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp );
+    wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap );
     ~wxCairoBitmapData();
 
     virtual cairo_surface_t* GetCairoSurface() { return m_surface; }
@@ -1014,6 +1015,13 @@ void * wxCairoMatrixData::GetNativeMatrix() const
 // wxCairoBitmap implementation
 //-----------------------------------------------------------------------------
 
+wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, cairo_surface_t* bitmap ) :
+    wxGraphicsObjectRefData( renderer )
+{
+    m_surface = bitmap;
+    m_pattern = cairo_pattern_create_for_surface(m_surface);
+}
+
 wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitmap& bmp ) : wxGraphicsObjectRefData( renderer )
 {
     wxCHECK_RET( bmp.IsOk(), wxT("Invalid bitmap in wxCairoContext::DrawBitmap"));
@@ -1708,6 +1716,9 @@ public :
     // create a native bitmap representation
     virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap );
 
+    // create a graphics bitmap from a native bitmap
+    virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap );
+
     // create a subimage from a native image representation
     virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  );
 
@@ -1879,6 +1890,18 @@ wxGraphicsBitmap wxCairoRenderer::CreateBitmap( const wxBitmap& bmp )
         return wxNullGraphicsBitmap;
 }
 
+wxGraphicsBitmap wxCairoRenderer::CreateBitmapFromNativeBitmap( void* bitmap )
+{
+    if ( bitmap != NULL )
+    {
+        wxGraphicsBitmap p;
+        p.SetRefData(new wxCairoBitmapData( this , (cairo_surface_t*) bitmap ));
+        return p;
+    }
+    else
+        return wxNullGraphicsBitmap;
+}
+
 wxGraphicsBitmap
 wxCairoRenderer::CreateSubBitmap(const wxGraphicsBitmap& WXUNUSED(bitmap),
                                  wxDouble WXUNUSED(x),
diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp
index 3b5317b7c0..6562a8a55e 100644
--- a/src/msw/graphics.cpp
+++ b/src/msw/graphics.cpp
@@ -1580,6 +1580,9 @@ public :
     // create a native bitmap representation
     virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap );
 
+    // create a graphics bitmap from a native bitmap
+    virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap );
+    
     // create a subimage from a native image representation
     virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  );
 
@@ -1807,6 +1810,19 @@ wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmap( const wxBitmap &bitmap )
         return wxNullGraphicsBitmap;
 }
 
+wxGraphicsBitmap wxGDIPlusRenderer::CreateBitmapFromNativeBitmap( void *bitmap )
+{
+    ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
+    if ( bitmap != NULL )
+    {
+        wxGraphicsBitmap p;
+        p.SetRefData(new wxGDIPlusBitmapData( this , (Bitmap*) bitmap ));
+        return p;
+    }
+    else
+        return wxNullGraphicsBitmap;
+}
+
 wxGraphicsBitmap wxGDIPlusRenderer::CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  )
 {
     ENSURE_LOADED_OR_RETURN(wxNullGraphicsBitmap);
diff --git a/src/osx/carbon/graphics.cpp b/src/osx/carbon/graphics.cpp
index 5389a37e14..826e51545d 100644
--- a/src/osx/carbon/graphics.cpp
+++ b/src/osx/carbon/graphics.cpp
@@ -2635,6 +2635,9 @@ public :
     // create a native bitmap representation
     virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) ;
 
+    // create a graphics bitmap from a native bitmap
+    virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap );
+
     // create a native bitmap representation
     virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h  ) ;
 private :
@@ -2784,9 +2787,19 @@ wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateBitmap( const wxBitmap& bmp )
     if ( bmp.Ok() )
     {
         wxGraphicsBitmap p;
-#ifdef __WXMAC__
         p.SetRefData(new wxMacCoreGraphicsBitmapData( this , bmp.CreateCGImage(), bmp.GetDepth() == 1 ) );
-#endif
+        return p;
+    }
+    else
+        return wxNullGraphicsBitmap;
+}
+
+wxGraphicsBitmap wxMacCoreGraphicsRenderer::CreateBitmapFromNativeBitmap( void* bitmap )
+{
+    if ( bitmap != NULL )
+    {
+        wxGraphicsBitmap p;
+        p.SetRefData(new wxMacCoreGraphicsBitmapData( this , (CGImageRef) bitmap, false ));
         return p;
     }
     else
-- 
2.45.2