Trying to understand wxCanvas.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8812 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

contrib/samples/canvas/simple/Makefile.in

@@ -0,0 +1,23 @@
+#
+# File:		Makefile.in
+# Author:	Julian Smart
+# Created:	2000
+# Updated:	
+# Copyright:	(c) 2000 Julian Smart
+#
+# "%W% %G%"
+#
+# Makefile for the multicell example (UNIX).
+
+top_srcdir = @top_srcdir@/..
+top_builddir = ../../../..
+program_dir = contrib/samples/canvas/simple
+
+PROGRAM=simple
+
+OBJECTS=simple.o
+
+APPEXTRALIBS=$(top_builddir)/lib/libcanvas.@WX_TARGET_LIBRARY_TYPE@
+APPEXTRADEFS=-I$(top_srcdir)/contrib/include
+
+include $(top_builddir)/src/makeprog.env

contrib/samples/canvas/simple/mondrian.xpm

@@ -0,0 +1,44 @@
+/* XPM */
+static char *mondrian_xpm[] = {
+/* columns rows colors chars-per-pixel */
+"32 32 6 1",
+"  c Black",
+". c Blue",
+"X c #00bf00",
+"o c Red",
+"O c Yellow",
+"+ c Gray100",
+/* pixels */
+"                                ",
+" oooooo +++++++++++++++++++++++ ",
+" oooooo +++++++++++++++++++++++ ",
+" oooooo +++++++++++++++++++++++ ",
+" oooooo +++++++++++++++++++++++ ",
+" oooooo +++++++++++++++++++++++ ",
+" oooooo +++++++++++++++++++++++ ",
+" oooooo +++++++++++++++++++++++ ",
+"                                ",
+" ++++++ ++++++++++++++++++ .... ",
+" ++++++ ++++++++++++++++++ .... ",
+" ++++++ ++++++++++++++++++ .... ",
+" ++++++ ++++++++++++++++++ .... ",
+" ++++++ ++++++++++++++++++ .... ",
+" ++++++ ++++++++++++++++++      ",
+" ++++++ ++++++++++++++++++ ++++ ",
+" ++++++ ++++++++++++++++++ ++++ ",
+" ++++++ ++++++++++++++++++ ++++ ",
+" ++++++ ++++++++++++++++++ ++++ ",
+" ++++++ ++++++++++++++++++ ++++ ",
+" ++++++ ++++++++++++++++++ ++++ ",
+" ++++++ ++++++++++++++++++ ++++ ",
+" ++++++ ++++++++++++++++++ ++++ ",
+" ++++++ ++++++++++++++++++ ++++ ",
+" ++++++                    ++++ ",
+" ++++++ OOOOOOOOOOOO XXXXX ++++ ",
+" ++++++ OOOOOOOOOOOO XXXXX ++++ ",
+" ++++++ OOOOOOOOOOOO XXXXX ++++ ",
+" ++++++ OOOOOOOOOOOO XXXXX ++++ ",
+" ++++++ OOOOOOOOOOOO XXXXX ++++ ",
+" ++++++ OOOOOOOOOOOO XXXXX ++++ ",
+"                                "
+};

contrib/samples/canvas/simple/simple.cpp

@@ -0,0 +1,147 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        simple.cpp
+// Author:      XX
+// Created:     XX/XX/XX
+// Copyright:   
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+    #pragma implementation "simple.cpp"
+#endif
+
+// For compilers that support precompilation
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+// Include private headers
+#include "simple.h"
+
+// Include icon header
+#if defined(__WXGTK__) || defined(__WXMOTIF__)
+    #include "mondrian.xpm"
+#endif
+
+// Include image
+#include "smile.xpm"
+    
+// WDR: class implementations
+
+//------------------------------------------------------------------------------
+// MyFrame
+//------------------------------------------------------------------------------
+
+// WDR: event table for MyFrame
+
+BEGIN_EVENT_TABLE(MyFrame,wxFrame)
+    EVT_MENU(ID_QUIT, MyFrame::OnQuit)
+    EVT_CLOSE(MyFrame::OnCloseWindow)
+END_EVENT_TABLE()
+
+MyFrame::MyFrame( wxWindow *parent, wxWindowID id, const wxString &title,
+    const wxPoint &position, const wxSize& size, long style ) :
+    wxFrame( parent, id, title, position, size, style )
+{
+    CreateMyMenuBar();
+    
+    CreateStatusBar(1);
+    SetStatusText( "Welcome!" );
+    
+    SetIcon(wxICON(mondrian));
+
+    // wxCanvas from here
+    
+    m_admin = new wxCanvasAdmin;
+    wxCanvas *canvas = new wxCanvas( m_admin, this, -1 );
+    m_admin->Append( canvas );
+    m_admin->SetActive( canvas );
+    
+
+    wxCanvasObjectGroup *root = new wxCanvasObjectGroup(0,0);
+    root->DeleteContents( TRUE );
+
+    wxCanvasRect *rect;
+    
+    rect = new wxCanvasRect( 120,10,120,140 );
+    rect->SetBrush( *wxRED_BRUSH );
+    root->Append( rect );
+        
+/*
+    wxBitmap bitmap( smile_xpm );
+    wxImage image( bitmap );
+
+    m_smile1 = new wxCanvasImage( image, 0,70,32,32 );
+    root->Append( m_smile1 );
+
+    int i;
+    for (i = 10; i < 300; i+=10)
+    {
+        wxCanvasRect *r = new wxCanvasRect( i,50,3,140 );
+        r->SetBrush( *wxRED_BRUSH );
+        root->Append( r );
+    }
+    
+    m_smile2 = new wxCanvasImage( image, 0,110,32,32 );
+    root->Append( m_smile2 );
+
+    for (i = 15; i < 300; i+=10)
+    {
+        wxCanvasRect *r = new wxCanvasRect( i,50,3,140 );
+        r->SetBrush( *wxRED_BRUSH );
+        root->Append( r );
+    }
+*/
+    
+    canvas->SetRoot( root );
+}
+
+void MyFrame::CreateMyMenuBar()
+{
+    wxMenu *file_menu = new wxMenu;
+    file_menu->Append( ID_QUIT, "Quit...", "Quit program" );
+    
+    wxMenuBar *menu_bar = new wxMenuBar();
+    menu_bar->Append( file_menu, "File" );
+    
+    SetMenuBar( menu_bar );
+}
+
+// WDR: handler implementations for MyFrame
+
+void MyFrame::OnQuit( wxCommandEvent &event )
+{
+     Close( TRUE );
+}
+
+void MyFrame::OnCloseWindow( wxCloseEvent &event )
+{
+    // if ! saved changes -> return
+    
+    Destroy();
+}
+
+//------------------------------------------------------------------------------
+// MyApp
+//------------------------------------------------------------------------------
+
+IMPLEMENT_APP(MyApp)
+
+MyApp::MyApp()
+{
+}
+
+bool MyApp::OnInit()
+{
+    MyFrame *frame = new MyFrame( NULL, -1, "SuperApp", wxPoint(20,20), wxSize(500,340) );
+    frame->Show( TRUE );
+    
+    return TRUE;
+}
+
+int MyApp::OnExit()
+{
+    return 0;
+}
+

contrib/samples/canvas/simple/simple.h

@@ -0,0 +1,76 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        simple.h
+// Author:      XX
+// Created:     XX/XX/XX
+// Copyright:   
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef __simple_H__
+#define __simple_H__
+
+#ifdef __GNUG__
+    #pragma interface "simple.cpp"
+#endif
+
+// Include wxWindows' headers
+
+#ifndef WX_PRECOMP
+    #include <wx/wx.h>
+#endif
+
+#include "wx/canvas/canvas.h"
+
+//----------------------------------------------------------------------------
+//   constants
+//----------------------------------------------------------------------------
+
+#define ID_QUIT     101
+
+// WDR: class declarations
+
+//----------------------------------------------------------------------------
+// MyFrame
+//----------------------------------------------------------------------------
+
+class MyFrame: public wxFrame
+{
+public:
+    // constructors and destructors
+    MyFrame( wxWindow *parent, wxWindowID id, const wxString &title,
+        const wxPoint& pos = wxDefaultPosition,
+        const wxSize& size = wxDefaultSize,
+        long style = wxDEFAULT_FRAME_STYLE );
+    
+private:
+    // WDR: method declarations for MyFrame
+    void CreateMyMenuBar();
+    
+private:
+    // WDR: member variable declarations for MyFrame
+    wxCanvasImage    *m_smile1;
+    wxCanvasImage    *m_smile2;
+    wxCanvasAdmin    *m_admin;
+    
+private:
+    // WDR: handler declarations for MyFrame
+    void OnQuit( wxCommandEvent &event );
+    void OnCloseWindow( wxCloseEvent &event );
+    
+private:
+    DECLARE_EVENT_TABLE()
+};
+
+//----------------------------------------------------------------------------
+// MyApp
+//----------------------------------------------------------------------------
+
+class MyApp: public wxApp
+{
+public:
+    MyApp();
+    
+    virtual bool OnInit();
+    virtual int OnExit();
+};
+
+#endif

contrib/samples/canvas/simple/simple.rc

@@ -0,0 +1,3 @@
+#include "wx/msw/wx.rc"
+
+

contrib/samples/canvas/simple/smile.xpm

@@ -0,0 +1,42 @@
+/* XPM */
+static char * smile_xpm[] = {
+/* width height ncolors chars_per_pixel */
+"32 32 4 1",
+/* colors */
+" 	s None	c None",
+".	c #000000",
+"+	c #ff0000",
+"@	c #ffff00",
+/* pixels */
+"            ........            ",
+"         ...@@@@@@@@...         ",
+"       ..@@@@@@@@@@@@@@..       ",
+"      ..@@@@@@@@@@@@@@@@..      ",
+"     .@@@@@@@@@@@@@@@@@@@@.     ",
+"    .@@@@@@@@@@@@@@@@@@@@@@.    ",
+"   .@@@@@@@@@@@@@@@@@@@@@@@@.   ",
+"  ..@@@@@@@@@@@@@@@@@@@@@@@@..  ",
+"  .@@@@@@@@  @@@@@@  @@@@@@@@.  ",
+" .@@@@@@@@    @@@@    @@@@@@@@. ",
+" .@@@@@@@@    @@@@    @@@@@@@@. ",
+" .@@@@@@@@    @@@@    @@@@@@@@. ",
+".@@@@@@@@@    @@@@    @@@@@@@@@.",
+".@@@@@@@@@    @@@@    @@@@@@@@@.",
+".@@@@@@@@@@  @@@@@@  @@@@@@@@@@.",
+".@@@@@@@.@@@@@@@@@@@@@@.@@@@@@@.",
+".@@@@@@@.@@@@@@@@@@@@@@.@@@@@@@.",
+".@@@@@@.@@@@@@@@@@@@@@@@.@@@@@@.",
+".@@@....@@@@@@@@@@@@@@@@....@@@.",
+".@@@@@@@.@@@@@@@@@@@@@@.@@@@@@@.",
+" .@@@@@@@.@@@@@@@@@@@@.@@@@@@@. ",
+" .@@@@@@@..@@@@@@@@@@..@@@@@@@. ",
+" .@@@@@@@@...@@@@@@...@@@@@@@@. ",
+"  .@@@@@@@@.+......+.@@@@@@@@.  ",
+"  ..@@@@@@@@.++++++.@@@@@@@@..  ",
+"   .@@@@@@@@@.++++.@@@@@@@@@.   ",
+"    .@@@@@@@@@....@@@@@@@@@.    ",
+"     .@@@@@@@@@@@@@@@@@@@@.     ",
+"      ..@@@@@@@@@@@@@@@@..      ",
+"       ..@@@@@@@@@@@@@@..       ",
+"         ...@@@@@@@@...         ",
+"            ........            "};