Added wxQuantize, wxSplashScreen, wxEffects & added palette to wxImage

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7892 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/splash.cpp

@@ -0,0 +1,158 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        splash.cpp
+// Purpose:     wxSplashScreen class
+// Author:      Julian Smart
+// Modified by:
+// Created:     28/6/2000
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "splash.h"
+#endif
+
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#include "wx/wx.h"
+#endif
+
+#include "wx/splash.h"
+
+/*
+ * wxSplashScreen
+ */
+
+#define wxSPLASH_TIMER_ID 9999
+
+BEGIN_EVENT_TABLE(wxSplashScreen, wxFrame)
+    EVT_TIMER(wxSPLASH_TIMER_ID, wxSplashScreen::OnNotify)
+    EVT_CLOSE(wxSplashScreen::OnCloseWindow)
+END_EVENT_TABLE()
+
+wxSplashScreen::wxSplashScreen(const wxBitmap& bitmap, long splashStyle, int milliseconds, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style):
+    wxFrame(parent, id, wxEmptyString, pos, size, style)
+{
+    m_window = NULL;
+    m_splashStyle = splashStyle;
+    m_milliseconds = milliseconds;
+
+    m_window = new wxSplashScreenWindow(bitmap, this, -1, pos, size, wxNO_BORDER);
+
+    SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
+
+    if (m_splashStyle & wxSPLASH_CENTRE_ON_PARENT)
+        CentreOnParent();
+    else if (m_splashStyle & wxSPLASH_CENTRE_ON_SCREEN)
+        CentreOnScreen();
+
+    if (m_splashStyle & wxSPLASH_TIMEOUT)
+    {
+        m_timer.SetOwner(this, wxSPLASH_TIMER_ID);
+        m_timer.Start(milliseconds, TRUE);
+    }
+
+    Show(TRUE);
+    m_window->SetFocus();
+    wxYield(); // Without this, you see a blank screen for an instant
+}
+
+wxSplashScreen::~wxSplashScreen()
+{
+    m_timer.Stop();
+}
+
+void wxSplashScreen::OnNotify(wxTimerEvent& event)
+{
+    m_timer.Stop();
+    this->Destroy();
+}
+
+void wxSplashScreen::OnCloseWindow(wxCloseEvent& event)
+{
+    m_timer.Stop();
+    this->Destroy();
+}
+
+/*
+ * wxSplashScreenWindow
+ */
+
+BEGIN_EVENT_TABLE(wxSplashScreenWindow, wxWindow)
+    //EVT_PAINT(wxSplashScreenWindow::OnPaint)
+    EVT_ERASE_BACKGROUND(wxSplashScreenWindow::OnEraseBackground)
+    EVT_CHAR(wxSplashScreenWindow::OnChar)
+    EVT_MOUSE_EVENTS(wxSplashScreenWindow::OnMouseEvent)
+END_EVENT_TABLE()
+
+wxSplashScreenWindow::wxSplashScreenWindow(const wxBitmap& bitmap, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style):
+    wxWindow(parent, id, pos, size, style)
+{
+    m_bitmap = bitmap;
+}
+
+void wxSplashScreenWindow::OnPaint(wxPaintEvent& event)
+{
+    wxPaintDC dc(this);
+    if (m_bitmap.Ok())
+        dc.DrawBitmap(m_bitmap, 0, 0);
+}
+
+static void wxDrawSplashBitmap(wxDC& dc, const wxBitmap& bitmap, int x, int y)
+{
+    wxMemoryDC dcMem;
+
+    bool hiColour = (wxDisplayDepth() >= 16) ;
+    
+    if (bitmap.GetPalette() && !hiColour)
+    {
+        dc.SetPalette(* bitmap.GetPalette());
+        dcMem.SetPalette(* bitmap.GetPalette());
+    }
+    dcMem.SelectObject(bitmap);
+    dc.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0);
+    dcMem.SelectObject(wxNullBitmap);
+    if (bitmap.GetPalette() && !hiColour)
+    {
+        dc.SetPalette(wxNullPalette);
+        dcMem.SetPalette(wxNullPalette);
+    }
+}
+
+void wxSplashScreenWindow::OnEraseBackground(wxEraseEvent& event)
+{
+    if (event.GetDC())
+    {
+        if (m_bitmap.Ok())
+        {
+            wxDrawSplashBitmap(* event.GetDC(), m_bitmap, 0, 0);
+        }
+    }
+    else
+    {
+        wxClientDC dc(this);
+        if (m_bitmap.Ok())
+        {
+            wxDrawSplashBitmap(dc, m_bitmap, 0, 0);
+        }
+    }
+}
+
+void wxSplashScreenWindow::OnMouseEvent(wxMouseEvent& event)
+{
+    if (event.LeftDown() || event.RightDown())
+        GetParent()->Close(TRUE);
+}
+
+void wxSplashScreenWindow::OnChar(wxKeyEvent& event)
+{
+    GetParent()->Close(TRUE);
+}
+