added mouse wheel support (patch 1696082)

[wxWidgets.git] / src / generic / animateg.cpp

diff --git a/src/generic/animateg.cpp b/src/generic/animateg.cpp
index 2794e1a08f2d3e7043fdb2a47a8e5cd1e0636af7..a2bb8403494c9b5b154a0c6659743cbfcad7b272 100644 (file)
--- a/src/generic/animateg.cpp
+++ b/src/generic/animateg.cpp
@@ -51,14 +51,14 @@ wxSize wxAnimation::GetSize() const
     return M_ANIMDATA->GetAnimationSize();
 }
 
-size_t wxAnimation::GetFrameCount() const
+unsigned int wxAnimation::GetFrameCount() const
 {
     wxCHECK_MSG( IsOk(), 0, wxT("invalid animation") );
 
     return M_ANIMDATA->GetFrameCount();
 }
 
-wxImage wxAnimation::GetFrame(size_t i) const
+wxImage wxAnimation::GetFrame(unsigned int i) const
 {
     wxCHECK_MSG( IsOk(), wxNullImage, wxT("invalid animation") );
 
@@ -68,35 +68,35 @@ wxImage wxAnimation::GetFrame(size_t i) const
     return ret;
 }
 
-int wxAnimation::GetDelay(size_t i) const
+int wxAnimation::GetDelay(unsigned int i) const
 {
     wxCHECK_MSG( IsOk(), 0, wxT("invalid animation") );
 
     return M_ANIMDATA->GetDelay(i);
 }
 
-wxPoint wxAnimation::GetFramePosition(size_t frame) const
+wxPoint wxAnimation::GetFramePosition(unsigned int frame) const
 {
     wxCHECK_MSG( IsOk(), wxDefaultPosition, wxT("invalid animation") );
 
     return M_ANIMDATA->GetFramePosition(frame);
 }
 
-wxSize wxAnimation::GetFrameSize(size_t frame) const
+wxSize wxAnimation::GetFrameSize(unsigned int frame) const
 {
     wxCHECK_MSG( IsOk(), wxDefaultSize, wxT("invalid animation") );
 
     return M_ANIMDATA->GetFrameSize(frame);
 }
 
-wxAnimationDisposal wxAnimation::GetDisposalMethod(size_t frame) const
+wxAnimationDisposal wxAnimation::GetDisposalMethod(unsigned int frame) const
 {
     wxCHECK_MSG( IsOk(), wxANIM_UNSPECIFIED, wxT("invalid animation") );
 
     return M_ANIMDATA->GetDisposalMethod(frame);
 }
 
-wxColour wxAnimation::GetTransparentColour(size_t frame) const
+wxColour wxAnimation::GetTransparentColour(unsigned int frame) const
 {
     wxCHECK_MSG( IsOk(), wxNullColour, wxT("invalid animation") );
 
@@ -147,10 +147,6 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type)
 
     handler = FindHandler(type);
 
-    // do a copy of the handler from the static list which we will own
-    // as our reference data
-    m_refData = handler->Clone();
-
     if (handler == NULL)
     {
         wxLogWarning( _("No animation handler for type %ld defined."), type );
@@ -158,6 +154,11 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type)
         return false;
     }
 
+
+    // do a copy of the handler from the static list which we will own
+    // as our reference data
+    m_refData = handler->Clone();
+
     if (stream.IsSeekable() && !M_ANIMDATA->CanRead(stream))
     {
         wxLogError(_("Animation file is not of type %ld."), type);
@@ -333,7 +334,7 @@ void wxAnimationCtrl::SetAnimation(const wxAnimation& animation)
     m_animation = animation;
     if (!m_animation.IsOk())
     {
-        UpdateBackingStoreWithStaticImage();
+        DisplayStaticImage();
         return;
     }
 
@@ -342,13 +343,11 @@ void wxAnimationCtrl::SetAnimation(const wxAnimation& animation)
     if (!this->HasFlag(wxAC_NO_AUTORESIZE))
         FitToAnimation();
 
-    UpdateBackingStoreWithStaticImage();
+    DisplayStaticImage();
 }
 
 void wxAnimationCtrl::SetInactiveBitmap(const wxBitmap &bmp)
 {
-    m_bmpStatic = bmp;
-
     // if the bitmap has an associated mask, we need to set our background to
     // the colour of our parent otherwise when calling DrawCurrentFrame()
     // (which uses the bitmap's mask), our background colour would be used for
@@ -357,9 +356,7 @@ void wxAnimationCtrl::SetInactiveBitmap(const wxBitmap &bmp)
     if ( bmp.GetMask() != NULL && GetParent() != NULL )
         SetBackgroundColour(GetParent()->GetBackgroundColour());
 
-    // if not playing, update the backing store now
-    if ( !IsPlaying() )
-        UpdateBackingStoreWithStaticImage();
+    wxAnimationCtrlBase::SetInactiveBitmap(bmp);
 }
 
 void wxAnimationCtrl::FitToAnimation()
@@ -375,7 +372,7 @@ bool wxAnimationCtrl::SetBackgroundColour(const wxColour& colour)
     // if not playing, then this change must be seen immediately (unless
     // there's an inactive bitmap set which has higher priority than bg colour)
     if ( !IsPlaying() )
-        UpdateBackingStoreWithStaticImage();
+        DisplayStaticImage();
 
     return true;
 }
@@ -393,7 +390,7 @@ void wxAnimationCtrl::Stop()
     // reset frame counter
     m_currentFrame = 0;
 
-    UpdateBackingStoreWithStaticImage();
+    DisplayStaticImage();
 }
 
 bool wxAnimationCtrl::Play(bool looped)
@@ -432,7 +429,7 @@ bool wxAnimationCtrl::Play(bool looped)
 // wxAnimationCtrl - rendering methods
 // ----------------------------------------------------------------------------
 
-bool wxAnimationCtrl::RebuildBackingStoreUpToFrame(size_t frame)
+bool wxAnimationCtrl::RebuildBackingStoreUpToFrame(unsigned int frame)
 {
     // if we've not created the backing store yet or it's too
     // small, then recreate it
@@ -455,7 +452,7 @@ bool wxAnimationCtrl::RebuildBackingStoreUpToFrame(size_t frame)
     DisposeToBackground(dc);
 
     // Draw all intermediate frames that haven't been removed from the animation
-    for (size_t i = 0; i < frame; i++)
+    for (unsigned int i = 0; i < frame; i++)
     {
         if (m_animation.GetDisposalMethod(i) == wxANIM_DONOTREMOVE ||
             m_animation.GetDisposalMethod(i) == wxANIM_UNSPECIFIED)
@@ -526,23 +523,26 @@ void wxAnimationCtrl::IncrementalUpdateBackingStore()
     dc.SelectObject(wxNullBitmap);
 }
 
-void wxAnimationCtrl::UpdateBackingStoreWithStaticImage()
+void wxAnimationCtrl::DisplayStaticImage()
 {
     wxASSERT(!IsPlaying());
 
-    if (m_bmpStatic.IsOk())
+    // m_bmpStaticReal will be updated only if necessary...
+    UpdateStaticImage();
+
+    if (m_bmpStaticReal.IsOk())
     {
         // copy the inactive bitmap in the backing store
         // eventually using the mask if the static bitmap has one
-        if ( m_bmpStatic.GetMask() )
+        if ( m_bmpStaticReal.GetMask() )
         {
             wxMemoryDC temp;
             temp.SelectObject(m_backingStore);
             DisposeToBackground(temp);
-            temp.DrawBitmap(m_bmpStatic, 0, 0, true /* use mask */);
+            temp.DrawBitmap(m_bmpStaticReal, 0, 0, true /* use mask */);
         }
         else
-            m_backingStore = m_bmpStatic;
+            m_backingStore = m_bmpStaticReal;
     }
     else
     {
@@ -558,7 +558,7 @@ void wxAnimationCtrl::UpdateBackingStoreWithStaticImage()
     Refresh();
 }
 
-void wxAnimationCtrl::DrawFrame(wxDC &dc, size_t frame)
+void wxAnimationCtrl::DrawFrame(wxDC &dc, unsigned int frame)
 {
     // PERFORMANCE NOTE:
     // this draw stuff is not as fast as possible: the wxAnimationDecoder
@@ -584,7 +584,8 @@ void wxAnimationCtrl::DisposeToBackground()
     // clear the backing store
     wxMemoryDC dc;
     dc.SelectObject(m_backingStore);
-    DisposeToBackground(dc);
+    if ( dc.IsOk() )
+        DisposeToBackground(dc);
 }
 
 void wxAnimationCtrl::DisposeToBackground(wxDC& dc)