avoiding nesting dcs on the same window concurrently

[wxWidgets.git] / src / gtk / animate.cpp

diff --git a/src/gtk/animate.cpp b/src/gtk/animate.cpp
index 27e535f8effcef1e1d33026d9d353a70d69a508c..cb596e7bd5d9dcf7ec4a3287ed0e444414cc2cfa 100644 (file)
--- a/src/gtk/animate.cpp
+++ b/src/gtk/animate.cpp
@@ -9,20 +9,20 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#if wxUSE_ANIMATIONCTRL
+#if wxUSE_ANIMATIONCTRL && !defined(__WXUNIVERSAL__)
 
 #include "wx/animate.h"
-#include "wx/log.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/image.h"
+    #include "wx/log.h"
+    #include "wx/stream.h"
+#endif
+
 #include <gtk/gtk.h>
-#include <gtk/gtkimage.h>
 
 
 // ============================================================================
@@ -51,6 +51,27 @@ void gdk_pixbuf_area_updated(GdkPixbufLoader *loader,
 
 IMPLEMENT_DYNAMIC_CLASS(wxAnimation, wxAnimationBase)
 
+wxAnimation::wxAnimation(const wxAnimation& that)
+    : base_type(that)
+{
+    m_pixbuf = that.m_pixbuf;
+    if (m_pixbuf)
+        g_object_ref(m_pixbuf);
+}
+
+wxAnimation& wxAnimation::operator=(const wxAnimation& that)
+{
+    if (this != &that)
+    {
+        base_type::operator=(that);
+        UnRef();
+        m_pixbuf = that.m_pixbuf;
+        if (m_pixbuf)
+            g_object_ref(m_pixbuf);
+    }
+    return *this;
+}
+
 bool wxAnimation::LoadFile(const wxString &name, wxAnimationType WXUNUSED(type))
 {
     UnRef();
@@ -75,6 +96,7 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type)
         break;
 
     default:
+        anim_type[0] = '\0';
         break;
     }
 
@@ -100,7 +122,7 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type)
     while (stream.IsOk())
     {
         // read a chunk of data
-        stream.Read(buf, 2048);
+        stream.Read(buf, sizeof(buf));
 
         // fetch all data into the loader
         if (!gdk_pixbuf_loader_write(loader, buf, stream.LastRead(), &error))
@@ -123,6 +145,31 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type)
     return true;
 }
 
+wxImage wxAnimation::GetFrame(size_t i) const
+{
+    return wxNullImage;
+}
+
+wxSize wxAnimation::GetSize() const
+{
+    return wxSize(gdk_pixbuf_animation_get_width(m_pixbuf),
+                  gdk_pixbuf_animation_get_height(m_pixbuf));
+}
+
+void wxAnimation::UnRef()
+{
+    if (m_pixbuf)
+        g_object_unref(m_pixbuf);
+    m_pixbuf = NULL;
+}
+
+void wxAnimation::SetPixbuf(GdkPixbufAnimation* p)
+{
+    UnRef();
+    m_pixbuf = p;
+    if (m_pixbuf)
+        g_object_ref(m_pixbuf);
+}
 
 //-----------------------------------------------------------------------------
 // wxAnimationCtrl
@@ -133,6 +180,13 @@ BEGIN_EVENT_TABLE(wxAnimationCtrl, wxAnimationCtrlBase)
     EVT_TIMER(wxID_ANY, wxAnimationCtrl::OnTimer)
 END_EVENT_TABLE()
 
+void wxAnimationCtrl::Init()
+{
+    m_anim = NULL;
+    m_iter = NULL;
+    m_bPlaying = false;
+}
+
 bool wxAnimationCtrl::Create( wxWindow *parent, wxWindowID id,
                               const wxAnimation& anim,
                               const wxPoint& pos,
@@ -144,7 +198,7 @@ bool wxAnimationCtrl::Create( wxWindow *parent, wxWindowID id,
     m_acceptsFocus = true;
 
     if (!PreCreation( parent, pos, size ) ||
-        !wxControl::CreateBase(parent, id, pos, size, style & wxWINDOW_STYLE_MASK,
+        !base_type::CreateBase(parent, id, pos, size, style & wxWINDOW_STYLE_MASK,
                                wxDefaultValidator, name))
     {
         wxFAIL_MSG( wxT("wxAnimationCtrl creation failed") );
@@ -161,9 +215,6 @@ bool wxAnimationCtrl::Create( wxWindow *parent, wxWindowID id,
     PostCreation(size);
     SetBestSize(size);
 
-    m_anim = NULL;
-    m_iter = NULL;
-    m_bPlaying = false;
     if (anim != wxNullAnimation)
         SetAnimation(anim);
 
@@ -234,6 +285,20 @@ void wxAnimationCtrl::FitToAnimation()
         SetSize(w, h);
 }
 
+void wxAnimationCtrl::ResetAnim()
+{
+    if (m_anim)
+        g_object_unref(m_anim);
+    m_anim = NULL;
+}
+
+void wxAnimationCtrl::ResetIter()
+{
+    if (m_iter)
+        g_object_unref(m_iter);
+    m_iter = NULL;
+}
+
 bool wxAnimationCtrl::Play()
 {
     if (m_anim == NULL)