Added rotation to wxImage

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5872 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/rotate/rotate.cpp

@@ -0,0 +1,120 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:      test.cpp
+// Purpose:   Image rotation test
+// Author:    Carlos Moreno
+// Modified by:
+// Created:   6/2/2000
+// RCS-ID:    $Id$
+// Copyright: (c) 2000
+// Licence:   wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#include "wx/image.h"
+
+class MyApp: public wxApp
+{
+    virtual bool OnInit();
+};
+
+
+class MyFrame: public wxFrame
+{
+public:
+    MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
+
+    void OnQuit (wxCommandEvent &);
+    void OnMouseLeftUp (wxMouseEvent & event);
+    void OnMouseRightUp (wxMouseEvent & event);
+
+private:
+    DECLARE_EVENT_TABLE()
+};
+
+enum
+{
+    ID_Quit = 1
+};
+
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+    EVT_MENU (ID_Quit, MyFrame::OnQuit)
+    EVT_LEFT_UP (MyFrame::OnMouseLeftUp)
+    EVT_RIGHT_UP (MyFrame::OnMouseRightUp)
+END_EVENT_TABLE()
+
+IMPLEMENT_APP(MyApp)
+
+
+bool MyApp::OnInit()
+{
+    MyFrame *frame = new MyFrame ("wxWindows Skeleton", wxPoint(20,20), wxSize(600,450));
+
+    frame->SetBackgroundColour (wxColour (0,80,60));
+
+    frame->Show (TRUE);
+    SetTopWindow (frame);
+    return TRUE;
+}
+
+MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
+    : wxFrame((wxFrame *)NULL, -1, title, pos, size)
+{
+    wxMenu *menuFile = new wxMenu;
+    menuFile->Append (ID_Quit, "E&xit");
+
+    wxMenuBar *menuBar = new wxMenuBar;
+    menuBar->Append (menuFile, "&File");
+
+    SetMenuBar (menuBar);
+}
+
+void MyFrame::OnQuit (wxCommandEvent &)
+{
+    Close (TRUE);
+}
+
+
+// Rotate with interpolation and with offset correction
+void MyFrame::OnMouseLeftUp (wxMouseEvent & event)
+{
+    static double angle = 0.1;
+    const double pi = 3.14159265359;
+
+    wxImage img ("kclub.bmp", wxBITMAP_TYPE_BMP);
+
+    wxPoint offset;
+    wxImage img2 = img.Rotate(angle, wxPoint(img.GetWidth()/2, img.GetHeight()/2), TRUE, &offset);
+    angle += 0.05;
+
+    wxBitmap bmp = img2.ConvertToBitmap ();
+
+    wxClientDC dc (this);
+    dc.DrawBitmap (bmp, event.m_x + offset.x, event.m_y + offset.y);
+
+    return;
+}
+
+// without interpolation, and without offset correction
+void MyFrame::OnMouseRightUp (wxMouseEvent & event)
+{
+    static double angle = 0.1;
+    const double pi = 3.14159265359;
+
+    wxImage img ("kclub.bmp", wxBITMAP_TYPE_BMP);
+
+    wxImage img2 = img.Rotate(angle, wxPoint(img.GetWidth()/2, img.GetHeight()/2), FALSE);
+    angle += 0.05;
+
+    wxBitmap bmp = img2.ConvertToBitmap ();
+
+    wxClientDC dc (this);
+    dc.DrawBitmap (bmp, event.m_x, event.m_y);
+
+    return;
+}