[wxWidgets.git] / samples / image / image.cpp

/*
 * Program: image
 *
 * Author: Robert Roebling
 *
 * Copyright: (C) 1998, Robert Roebling
 *
 */

// 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/image.h"

#include "wx/file.h"

#include "smile.xbm"
#include "smile.xpm"

// derived classes

class MyFrame;
class MyApp;

// MyCanvas

class MyCanvas: public wxScrolledWindow
{
public:
    MyCanvas() {};
    MyCanvas( wxWindow *parent, wxWindowID, const wxPoint &pos, const wxSize &size );
    ~MyCanvas();
    void OnPaint( wxPaintEvent &event );
    void CreateAntiAliasedBitmap();

    wxBitmap  *my_horse_png;
    wxBitmap  *my_horse_jpeg;
    wxBitmap  *my_horse_gif;
    wxBitmap  *my_horse_bmp;
    wxBitmap  *my_horse_pcx;
    wxBitmap  *my_horse_pnm;
    wxBitmap  *my_horse_tiff;
    wxBitmap  *my_smile_xbm;
    wxBitmap  *my_square;
    wxBitmap  *my_anti;

protected:
    wxBitmap m_bmpSmileXpm;
    wxIcon   m_iconSmileXpm;

private:
    DECLARE_DYNAMIC_CLASS(MyCanvas)
    DECLARE_EVENT_TABLE()
};

// MyFrame

class MyFrame: public wxFrame
{
public:
    MyFrame();

    void OnAbout( wxCommandEvent &event );
    void OnQuit( wxCommandEvent &event );

    MyCanvas         *m_canvas;

private:
    DECLARE_DYNAMIC_CLASS(MyFrame)
    DECLARE_EVENT_TABLE()
};

// MyApp

class MyApp: public wxApp
{
public:
    virtual bool OnInit();
};

// main program

IMPLEMENT_APP(MyApp)

// MyCanvas

IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)

BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
  EVT_PAINT(MyCanvas::OnPaint)
END_EVENT_TABLE()

MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
                    const wxPoint &pos, const wxSize &size )
        : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER ),
          m_bmpSmileXpm((const char **) smile_xpm),
          m_iconSmileXpm((const char **) smile_xpm)
{
    my_horse_png = (wxBitmap*) NULL;
    my_horse_jpeg = (wxBitmap*) NULL;
    my_horse_gif = (wxBitmap*) NULL;
    my_horse_bmp = (wxBitmap*) NULL;
    my_horse_pcx = (wxBitmap*) NULL;
    my_horse_pnm = (wxBitmap*) NULL;
    my_horse_tiff = (wxBitmap*) NULL;
    my_smile_xbm = (wxBitmap*) NULL;
    my_square = (wxBitmap*) NULL;
    my_anti = (wxBitmap*) NULL;

    SetBackgroundColour(* wxWHITE);

    wxBitmap bitmap( 100, 100 );

    wxMemoryDC dc;
    dc.SelectObject( bitmap );
    dc.SetBrush( wxBrush( "orange", wxSOLID ) );
    dc.SetPen( *wxBLACK_PEN );
    dc.DrawRectangle( 0, 0, 100, 100 );
    dc.SetBrush( *wxWHITE_BRUSH );
    dc.DrawRectangle( 20, 20, 60, 60 );
    dc.SelectObject( wxNullBitmap );

    // try to find the directory with our images
    wxString dir;
    if ( wxFile::Exists("./horse.png") )
        dir = "./";          
    else if ( wxFile::Exists("../horse.png") )
        dir = "../";
    else
        wxLogWarning("Can't find image files in either '.' or '..'!");

    wxImage image( bitmap );

#if wxUSE_LIBPNG
    if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ) )
        wxLogError("Can't save file");

    if ( !image.LoadFile( dir + wxString("horse.png"), wxBITMAP_TYPE_PNG ) )
        wxLogError("Can't load PNG image");
    else
        my_horse_png = new wxBitmap( image.ConvertToBitmap() );
#endif // wxUSE_LIBPNG

#if wxUSE_LIBJPEG
    if ( !image.LoadFile( dir + wxString("horse.jpg") ) )
        wxLogError("Can't load JPG image");
    else
        my_horse_jpeg = new wxBitmap( image.ConvertToBitmap() );
#endif // wxUSE_LIBJPEG

#if wxUSE_GIF
    if ( !image.LoadFile( dir + wxString("horse.gif") ) )
        wxLogError("Can't load GIF image");
    else
        my_horse_gif = new wxBitmap( image.ConvertToBitmap() );
#endif

#if wxUSE_PCX
    if ( !image.LoadFile( dir + wxString("horse.pcx"), wxBITMAP_TYPE_PCX ) )
        wxLogError("Can't load PCX image");
    else
        my_horse_pcx = new wxBitmap( image.ConvertToBitmap() );
#endif

    if ( !image.LoadFile( dir + wxString("horse.bmp"), wxBITMAP_TYPE_BMP ) )
        wxLogError("Can't load BMP image");
    else
        my_horse_bmp = new wxBitmap( image.ConvertToBitmap() );

#if wxUSE_PNM
    if ( !image.LoadFile( dir + wxString("horse.pnm"), wxBITMAP_TYPE_PNM ) )
        wxLogError("Can't load PNM image");
    else
        my_horse_pnm = new wxBitmap( image.ConvertToBitmap() );
#endif

#if wxUSE_LIBTIFF
    if ( !image.LoadFile( dir + wxString("horse.tif"), wxBITMAP_TYPE_TIF ) )
        wxLogError("Can't load TIFF image");
    else
        my_horse_tiff = new wxBitmap( image.ConvertToBitmap() );
#endif

    image.LoadFile( dir + wxString("test.pcx") );
    my_square = new wxBitmap( image.ConvertToBitmap() );

    CreateAntiAliasedBitmap();

    my_smile_xbm = new wxBitmap( (const char*)smile_bits, smile_width,
                                 smile_height, 1 );

    // demonstrates XPM automatically using the mask when saving
    if ( m_bmpSmileXpm.Ok() )
        m_bmpSmileXpm.SaveFile("saved.xpm", wxBITMAP_TYPE_XPM);
}

MyCanvas::~MyCanvas()
{
    delete my_horse_pnm;
    delete my_horse_png;
    delete my_horse_jpeg;
    delete my_horse_gif;
    delete my_horse_bmp;
    delete my_horse_pcx;
    delete my_horse_tiff;
    delete my_smile_xbm;
    delete my_square;
    delete my_anti;
}

void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
    wxPaintDC dc( this );
    PrepareDC( dc );

    dc.DrawText( "Loaded image", 30, 10 );
    if (my_square && my_square->Ok()) dc.DrawBitmap( *my_square, 30, 30 );

    dc.DrawText( "Drawn directly", 150, 10 );
    dc.SetBrush( wxBrush( "orange", wxSOLID ) );
    dc.SetPen( *wxBLACK_PEN );
    dc.DrawRectangle( 150, 30, 100, 100 );
    dc.SetBrush( *wxWHITE_BRUSH );
    dc.DrawRectangle( 170, 50, 60, 60 );

    if (my_anti && my_anti->Ok())
        dc.DrawBitmap( *my_anti, 280, 30 );

    dc.DrawText( "PNG handler", 30, 135 );
    if (my_horse_png && my_horse_png->Ok())
    {
        dc.DrawBitmap( *my_horse_png, 30, 150 );
        wxRect rect(0,0,100,100);
        wxBitmap sub( my_horse_png->GetSubBitmap(rect) );
        dc.DrawText( "GetSubBitmap()", 280, 190 );
        dc.DrawBitmap( sub, 280, 210 );
    }

    dc.DrawText( "JPEG handler", 30, 365 );
    if (my_horse_jpeg && my_horse_jpeg->Ok())
        dc.DrawBitmap( *my_horse_jpeg, 30, 380 );

    dc.DrawText( "GIF handler", 30, 595 );
    if (my_horse_gif && my_horse_gif->Ok())
        dc.DrawBitmap( *my_horse_gif, 30, 610 );

    dc.DrawText( "PCX handler", 30, 825 );
    if (my_horse_pcx && my_horse_pcx->Ok())
        dc.DrawBitmap( *my_horse_pcx, 30, 840 );

    dc.DrawText( "BMP handler", 30, 1055 );
    if (my_horse_bmp && my_horse_bmp->Ok())
        dc.DrawBitmap( *my_horse_bmp, 30, 1070 );

    dc.DrawText( "PNM handler", 30, 1285 );
    if (my_horse_pnm && my_horse_pnm->Ok())
        dc.DrawBitmap( *my_horse_pnm, 30, 1300 );

    dc.DrawText( "TIFF handler", 30, 1515 );
    if (my_horse_tiff && my_horse_tiff->Ok())
        dc.DrawBitmap( *my_horse_tiff, 30, 1530 );

    if (my_smile_xbm && my_smile_xbm->Ok())
    {
        dc.DrawText( "XBM bitmap", 30, 1745 );
        dc.SetTextForeground( "RED" );
        dc.SetTextBackground( "GREEN" );
        dc.DrawBitmap( *my_smile_xbm, 30, 1760 );

        dc.DrawText( "After wxImage conversion", 150, 1745 );
        wxImage i( *my_smile_xbm );
        i.SetMaskColour( 0,0,0 );
        i.Replace( 255,255,255,
               wxRED_PEN->GetColour().Red(),
               wxRED_PEN->GetColour().Green(),
               wxRED_PEN->GetColour().Blue() );
        dc.DrawBitmap( i.ConvertToBitmap(), 150, 1760, TRUE );
    }
    dc.SetTextForeground( "BLACK" );

    wxBitmap mono( 60,50,1 );
    wxMemoryDC memdc;
    memdc.SelectObject( mono );
    memdc.SetPen( *wxBLACK_PEN );
    memdc.SetBrush( *wxWHITE_BRUSH );
    memdc.DrawRectangle( 0,0,60,50 );
    memdc.SetTextForeground( *wxBLACK );
    memdc.DrawText( "Hi!", 5, 5 );
    memdc.SetBrush( *wxBLACK_BRUSH );
    memdc.DrawRectangle( 33,5,20,20 );
    memdc.SetPen( *wxRED_PEN );
    memdc.DrawLine( 5, 42, 50, 42 );
    memdc.SelectObject( wxNullBitmap );
    if (mono.Ok())
    {
        dc.DrawText( "Mono bitmap", 30, 1845 );
        dc.SetTextForeground( "RED" );
        dc.SetTextBackground( "GREEN" );
        dc.DrawBitmap( mono, 30, 1860 );

        dc.SetTextForeground( "BLACK" );
        dc.DrawText( "After wxImage conversion", 150, 1845 );
        dc.SetTextForeground( "RED" );
        wxImage i( mono );
        i.SetMaskColour( 255,255,255 );
        i.Replace( 0,0,0,
               wxRED_PEN->GetColour().Red(),
               wxRED_PEN->GetColour().Green(),
               wxRED_PEN->GetColour().Blue() );
        dc.DrawBitmap( i.ConvertToBitmap(), 150, 1860, TRUE );
        dc.SetTextForeground( "BLACK" );
    }

    dc.DrawText("XPM bitmap", 30, 1950);
    if ( m_bmpSmileXpm.Ok() )
    {
        dc.DrawBitmap(m_bmpSmileXpm, 30, 1975, TRUE);
    }

    dc.DrawText("XPM icon", 150, 1950);
    if ( m_iconSmileXpm.Ok() )
    {
        dc.DrawIcon(m_iconSmileXpm, 150, 1975);
    }
}

void MyCanvas::CreateAntiAliasedBitmap()
{
  wxBitmap bitmap( 300, 300 );

  wxMemoryDC dc;

  dc.SelectObject( bitmap );

  dc.Clear();

  dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL) );
  dc.SetTextForeground( "RED" );
  dc.DrawText( "This is anti-aliased Text.", 20, 20 );
  dc.DrawText( "And a Rectangle.", 20, 60 );

  dc.SetBrush( *wxRED_BRUSH );
  dc.SetPen( *wxTRANSPARENT_PEN );
  dc.DrawRoundedRectangle( 20, 100, 200, 180, 20 );

  wxImage original( bitmap );
  wxImage anti( 150, 150 );

  /* This is quite slow, but safe. Use wxImage::GetData() for speed instead. */

  for (int y = 1; y < 149; y++)
    for (int x = 1; x < 149; x++)
    {
       int red = original.GetRed( x*2, y*2 ) +
                 original.GetRed( x*2-1, y*2 ) +
                 original.GetRed( x*2, y*2+1 ) +
                 original.GetRed( x*2+1, y*2+1 );
       red = red/4;

       int green = original.GetGreen( x*2, y*2 ) +
                   original.GetGreen( x*2-1, y*2 ) +
                   original.GetGreen( x*2, y*2+1 ) +
                   original.GetGreen( x*2+1, y*2+1 );
       green = green/4;

       int blue = original.GetBlue( x*2, y*2 ) +
                  original.GetBlue( x*2-1, y*2 ) +
                  original.GetBlue( x*2, y*2+1 ) +
                  original.GetBlue( x*2+1, y*2+1 );
       blue = blue/4;
       anti.SetRGB( x, y, red, green, blue );
    }
  my_anti = new wxBitmap( anti.ConvertToBitmap() );
}

// MyFrame

const int ID_QUIT  = 108;
const int ID_ABOUT = 109;

IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )

BEGIN_EVENT_TABLE(MyFrame,wxFrame)
  EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
  EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
END_EVENT_TABLE()

MyFrame::MyFrame()
       : wxFrame( (wxFrame *)NULL, -1, "wxImage sample",
                  wxPoint(20,20), wxSize(470,360) )
{
  wxMenu *file_menu = new wxMenu();
  file_menu->Append( ID_ABOUT, "&About..");
  file_menu->Append( ID_QUIT, "E&xit");

  wxMenuBar *menu_bar = new wxMenuBar();
  menu_bar->Append(file_menu, "&File");

  SetMenuBar( menu_bar );

  CreateStatusBar(2);
  int widths[] = { -1, 100 };
  SetStatusWidths( 2, widths );

  m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );

  // 500 width * 2100 height
  m_canvas->SetScrollbars( 10, 10, 50, 210 );
}

void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
{
  Close( TRUE );
}

void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
{
  (void)wxMessageBox( "wxImage demo\n"
                      "Robert Roebling (c) 1998,2000",
                      "About wxImage Demo", wxICON_INFORMATION | wxOK );
}

//-----------------------------------------------------------------------------
// MyApp
//-----------------------------------------------------------------------------

bool MyApp::OnInit()
{
#if wxUSE_LIBPNG
  wxImage::AddHandler( new wxPNGHandler );
#endif

#if wxUSE_LIBJPEG
  wxImage::AddHandler( new wxJPEGHandler );
#endif

#if wxUSE_LIBTIFF
  wxImage::AddHandler( new wxTIFFHandler );
#endif

#if wxUSE_GIF
  wxImage::AddHandler( new wxGIFHandler );
#endif

#if wxUSE_PCX
  wxImage::AddHandler( new wxPCXHandler );
#endif

#if wxUSE_PNM
  wxImage::AddHandler( new wxPNMHandler );
#endif

  wxFrame *frame = new MyFrame();
  frame->Show( TRUE );

  return TRUE;
}
Commit	Line	Data
01111366 RR	1	/*
01111366 RR	2	* Program: image
1d5b7a0b	3	*
01111366 RR	4	* Author: Robert Roebling
	5	*
	6	* Copyright: (C) 1998, Robert Roebling
	7	*
	8	*/
	9
3d05544e JS	10	// For compilers that support precompilation, includes "wx/wx.h".
	11	#include "wx/wxprec.h"
	12
	13	#ifdef __BORLANDC__
	14	#pragma hdrstop
	15	#endif
	16
	17	#ifndef WX_PRECOMP
01111366	18	#include "wx/wx.h"
3d05544e JS	19	#endif
3d05544e JS	20
01111366 RR	21	#include "wx/image.h"
01111366 RR	22
a23fd0e1 VZ	23	#include "wx/file.h"
a23fd0e1 VZ	24
dc1dbfc6	25	#include "smile.xbm"
bea56879	26	#include "smile.xpm"
dc1dbfc6	27
01111366 RR	28	// derived classes
	29
	30	class MyFrame;
	31	class MyApp;
	32
	33	// MyCanvas
	34
	35	class MyCanvas: public wxScrolledWindow
	36	{
1d5b7a0b VZ	37	public:
1d5b7a0b VZ	38	MyCanvas() {};
01111366	39	MyCanvas( wxWindow *parent, wxWindowID, const wxPoint &pos, const wxSize &size );
1d5b7a0b	40	~MyCanvas();
01111366	41	void OnPaint( wxPaintEvent &event );
9390a202	42	void CreateAntiAliasedBitmap();
1d5b7a0b	43
e1929140 RR	44	wxBitmap *my_horse_png;
	45	wxBitmap *my_horse_jpeg;
	46	wxBitmap *my_horse_gif;
ca26177c	47	wxBitmap *my_horse_bmp;
cbd4be25	48	wxBitmap *my_horse_pcx;
6319afe3	49	wxBitmap *my_horse_pnm;
60a41aee	50	wxBitmap *my_horse_tiff;
dc1dbfc6	51	wxBitmap *my_smile_xbm;
e8fdc264	52	wxBitmap *my_square;
9390a202	53	wxBitmap *my_anti;
1d5b7a0b	54
bea56879 VZ	55	protected:
	56	wxBitmap m_bmpSmileXpm;
	57	wxIcon m_iconSmileXpm;
	58
60a41aee	59	private:
1d5b7a0b VZ	60	DECLARE_DYNAMIC_CLASS(MyCanvas)
1d5b7a0b VZ	61	DECLARE_EVENT_TABLE()
01111366 RR	62	};
	63
	64	// MyFrame
	65
	66	class MyFrame: public wxFrame
	67	{
1d5b7a0b VZ	68	public:
1d5b7a0b VZ	69	MyFrame();
01111366	70
01111366 RR	71	void OnAbout( wxCommandEvent &event );
01111366 RR	72	void OnQuit( wxCommandEvent &event );
1d5b7a0b	73
01111366	74	MyCanvas *m_canvas;
1d5b7a0b	75
60a41aee	76	private:
1d5b7a0b VZ	77	DECLARE_DYNAMIC_CLASS(MyFrame)
1d5b7a0b VZ	78	DECLARE_EVENT_TABLE()
01111366 RR	79	};
	80
	81	// MyApp
	82
	83	class MyApp: public wxApp
	84	{
1d5b7a0b VZ	85	public:
1d5b7a0b VZ	86	virtual bool OnInit();
01111366 RR	87	};
	88
	89	// main program
	90
	91	IMPLEMENT_APP(MyApp)
	92
	93	// MyCanvas
	94
	95	IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)
	96
1d5b7a0b VZ	97	BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
1d5b7a0b VZ	98	EVT_PAINT(MyCanvas::OnPaint)
01111366 RR	99	END_EVENT_TABLE()
01111366 RR	100
acbd13a3	101	MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
1d5b7a0b	102	const wxPoint &pos, const wxSize &size )
bea56879	103	: wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER ),
bfef20bf GRG	104	m_bmpSmileXpm((const char **) smile_xpm),
bfef20bf GRG	105	m_iconSmileXpm((const char **) smile_xpm)
01111366	106	{
60a41aee RR	107	my_horse_png = (wxBitmap*) NULL;
	108	my_horse_jpeg = (wxBitmap*) NULL;
	109	my_horse_gif = (wxBitmap*) NULL;
	110	my_horse_bmp = (wxBitmap*) NULL;
	111	my_horse_pcx = (wxBitmap*) NULL;
	112	my_horse_pnm = (wxBitmap*) NULL;
	113	my_horse_tiff = (wxBitmap*) NULL;
dc1dbfc6	114	my_smile_xbm = (wxBitmap*) NULL;
60a41aee RR	115	my_square = (wxBitmap*) NULL;
	116	my_anti = (wxBitmap*) NULL;
	117
	118	SetBackgroundColour(* wxWHITE);
	119
	120	wxBitmap bitmap( 100, 100 );
	121
	122	wxMemoryDC dc;
	123	dc.SelectObject( bitmap );
	124	dc.SetBrush( wxBrush( "orange", wxSOLID ) );
cf3da716	125	dc.SetPen( *wxBLACK_PEN );
60a41aee	126	dc.DrawRectangle( 0, 0, 100, 100 );
cf3da716 RR	127	dc.SetBrush( *wxWHITE_BRUSH );
cf3da716 RR	128	dc.DrawRectangle( 20, 20, 60, 60 );
60a41aee RR	129	dc.SelectObject( wxNullBitmap );
	130
	131	// try to find the directory with our images
	132	wxString dir;
	133	if ( wxFile::Exists("./horse.png") )
bfef20bf	134	dir = "./";
60a41aee RR	135	else if ( wxFile::Exists("../horse.png") )
	136	dir = "../";
	137	else
	138	wxLogWarning("Can't find image files in either '.' or '..'!");
	139
	140	wxImage image( bitmap );
	141
bea56879	142	#if wxUSE_LIBPNG
60a41aee RR	143	if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ) )
	144	wxLogError("Can't save file");
	145
	146	if ( !image.LoadFile( dir + wxString("horse.png"), wxBITMAP_TYPE_PNG ) )
	147	wxLogError("Can't load PNG image");
	148	else
	149	my_horse_png = new wxBitmap( image.ConvertToBitmap() );
bea56879	150	#endif // wxUSE_LIBPNG
60a41aee	151
bea56879	152	#if wxUSE_LIBJPEG
60a41aee RR	153	if ( !image.LoadFile( dir + wxString("horse.jpg") ) )
	154	wxLogError("Can't load JPG image");
	155	else
	156	my_horse_jpeg = new wxBitmap( image.ConvertToBitmap() );
bea56879	157	#endif // wxUSE_LIBJPEG
6e47faf1 JS	158
6e47faf1 JS	159	#if wxUSE_GIF
60a41aee RR	160	if ( !image.LoadFile( dir + wxString("horse.gif") ) )
	161	wxLogError("Can't load GIF image");
	162	else
	163	my_horse_gif = new wxBitmap( image.ConvertToBitmap() );
6e47faf1	164	#endif
cbd4be25	165
6e47faf1	166	#if wxUSE_PCX
60a41aee RR	167	if ( !image.LoadFile( dir + wxString("horse.pcx"), wxBITMAP_TYPE_PCX ) )
	168	wxLogError("Can't load PCX image");
	169	else
	170	my_horse_pcx = new wxBitmap( image.ConvertToBitmap() );
6e47faf1	171	#endif
cbd4be25	172
60a41aee RR	173	if ( !image.LoadFile( dir + wxString("horse.bmp"), wxBITMAP_TYPE_BMP ) )
	174	wxLogError("Can't load BMP image");
	175	else
	176	my_horse_bmp = new wxBitmap( image.ConvertToBitmap() );
6319afe3	177
6e47faf1	178	#if wxUSE_PNM
60a41aee RR	179	if ( !image.LoadFile( dir + wxString("horse.pnm"), wxBITMAP_TYPE_PNM ) )
	180	wxLogError("Can't load PNM image");
	181	else
	182	my_horse_pnm = new wxBitmap( image.ConvertToBitmap() );
6e47faf1	183	#endif
f048e32f	184
60a41aee RR	185	#if wxUSE_LIBTIFF
	186	if ( !image.LoadFile( dir + wxString("horse.tif"), wxBITMAP_TYPE_TIF ) )
	187	wxLogError("Can't load TIFF image");
	188	else
	189	my_horse_tiff = new wxBitmap( image.ConvertToBitmap() );
	190	#endif
	191
bfef20bf	192	image.LoadFile( dir + wxString("test.pcx") );
60a41aee	193	my_square = new wxBitmap( image.ConvertToBitmap() );
f048e32f	194
60a41aee	195	CreateAntiAliasedBitmap();
dc1dbfc6 RL	196
	197	my_smile_xbm = new wxBitmap( (const char*)smile_bits, smile_width,
	198	smile_height, 1 );
bfef20bf GRG	199
	200	// demonstrates XPM automatically using the mask when saving
	201	if ( m_bmpSmileXpm.Ok() )
	202	m_bmpSmileXpm.SaveFile("saved.xpm", wxBITMAP_TYPE_XPM);
01111366 RR	203	}
01111366 RR	204
1d5b7a0b	205	MyCanvas::~MyCanvas()
01111366	206	{
60a41aee RR	207	delete my_horse_pnm;
	208	delete my_horse_png;
	209	delete my_horse_jpeg;
	210	delete my_horse_gif;
	211	delete my_horse_bmp;
	212	delete my_horse_pcx;
	213	delete my_horse_tiff;
dc1dbfc6	214	delete my_smile_xbm;
60a41aee RR	215	delete my_square;
60a41aee RR	216	delete my_anti;
01111366 RR	217	}
	218
	219	void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
	220	{
be25e480 RR	221	wxPaintDC dc( this );
be25e480 RR	222	PrepareDC( dc );
a91b47e8	223
be25e480 RR	224	dc.DrawText( "Loaded image", 30, 10 );
be25e480 RR	225	if (my_square && my_square->Ok()) dc.DrawBitmap( *my_square, 30, 30 );
f048e32f	226
be25e480 RR	227	dc.DrawText( "Drawn directly", 150, 10 );
be25e480 RR	228	dc.SetBrush( wxBrush( "orange", wxSOLID ) );
cf3da716	229	dc.SetPen( *wxBLACK_PEN );
be25e480	230	dc.DrawRectangle( 150, 30, 100, 100 );
cf3da716 RR	231	dc.SetBrush( *wxWHITE_BRUSH );
cf3da716 RR	232	dc.DrawRectangle( 170, 50, 60, 60 );
be25e480	233
408b4168	234	if (my_anti && my_anti->Ok())
be25e480 RR	235	dc.DrawBitmap( *my_anti, 280, 30 );
	236
	237	dc.DrawText( "PNG handler", 30, 135 );
	238	if (my_horse_png && my_horse_png->Ok())
408b4168	239	{
be25e480 RR	240	dc.DrawBitmap( *my_horse_png, 30, 150 );
	241	wxRect rect(0,0,100,100);
	242	wxBitmap sub( my_horse_png->GetSubBitmap(rect) );
	243	dc.DrawText( "GetSubBitmap()", 280, 190 );
	244	dc.DrawBitmap( sub, 280, 210 );
	245	}
	246
	247	dc.DrawText( "JPEG handler", 30, 365 );
408b4168	248	if (my_horse_jpeg && my_horse_jpeg->Ok())
be25e480 RR	249	dc.DrawBitmap( *my_horse_jpeg, 30, 380 );
	250
	251	dc.DrawText( "GIF handler", 30, 595 );
408b4168	252	if (my_horse_gif && my_horse_gif->Ok())
be25e480 RR	253	dc.DrawBitmap( *my_horse_gif, 30, 610 );
	254
	255	dc.DrawText( "PCX handler", 30, 825 );
408b4168	256	if (my_horse_pcx && my_horse_pcx->Ok())
be25e480 RR	257	dc.DrawBitmap( *my_horse_pcx, 30, 840 );
	258
	259	dc.DrawText( "BMP handler", 30, 1055 );
408b4168	260	if (my_horse_bmp && my_horse_bmp->Ok())
be25e480 RR	261	dc.DrawBitmap( *my_horse_bmp, 30, 1070 );
	262
	263	dc.DrawText( "PNM handler", 30, 1285 );
408b4168	264	if (my_horse_pnm && my_horse_pnm->Ok())
be25e480	265	dc.DrawBitmap( *my_horse_pnm, 30, 1300 );
408b4168	266
be25e480	267	dc.DrawText( "TIFF handler", 30, 1515 );
408b4168	268	if (my_horse_tiff && my_horse_tiff->Ok())
4b05d973	269	dc.DrawBitmap( *my_horse_tiff, 30, 1530 );
be25e480	270
408b4168	271	if (my_smile_xbm && my_smile_xbm->Ok())
be25e480 RR	272	{
be25e480 RR	273	dc.DrawText( "XBM bitmap", 30, 1745 );
82ea63e6 RR	274	dc.SetTextForeground( "RED" );
82ea63e6 RR	275	dc.SetTextBackground( "GREEN" );
be25e480	276	dc.DrawBitmap( *my_smile_xbm, 30, 1760 );
408b4168	277
be25e480 RR	278	dc.DrawText( "After wxImage conversion", 150, 1745 );
be25e480 RR	279	wxImage i( *my_smile_xbm );
408b4168 VZ	280	i.SetMaskColour( 0,0,0 );
408b4168 VZ	281	i.Replace( 255,255,255,
be25e480 RR	282	wxRED_PEN->GetColour().Red(),
	283	wxRED_PEN->GetColour().Green(),
	284	wxRED_PEN->GetColour().Blue() );
	285	dc.DrawBitmap( i.ConvertToBitmap(), 150, 1760, TRUE );
	286	}
82ea63e6	287	dc.SetTextForeground( "BLACK" );
408b4168	288
41fbc841	289	wxBitmap mono( 60,50,1 );
82ea63e6 RR	290	wxMemoryDC memdc;
82ea63e6 RR	291	memdc.SelectObject( mono );
bfef20bf	292	memdc.SetPen( *wxBLACK_PEN );
82ea63e6	293	memdc.SetBrush( *wxWHITE_BRUSH );
41fbc841 RR	294	memdc.DrawRectangle( 0,0,60,50 );
	295	memdc.SetTextForeground( *wxBLACK );
	296	memdc.DrawText( "Hi!", 5, 5 );
	297	memdc.SetBrush( *wxBLACK_BRUSH );
	298	memdc.DrawRectangle( 33,5,20,20 );
	299	memdc.SetPen( *wxRED_PEN );
	300	memdc.DrawLine( 5, 42, 50, 42 );
82ea63e6	301	memdc.SelectObject( wxNullBitmap );
408b4168	302	if (mono.Ok())
82ea63e6 RR	303	{
	304	dc.DrawText( "Mono bitmap", 30, 1845 );
	305	dc.SetTextForeground( "RED" );
	306	dc.SetTextBackground( "GREEN" );
	307	dc.DrawBitmap( mono, 30, 1860 );
408b4168	308
bea56879	309	dc.SetTextForeground( "BLACK" );
82ea63e6	310	dc.DrawText( "After wxImage conversion", 150, 1845 );
bea56879	311	dc.SetTextForeground( "RED" );
82ea63e6	312	wxImage i( mono );
408b4168 VZ	313	i.SetMaskColour( 255,255,255 );
408b4168 VZ	314	i.Replace( 0,0,0,
82ea63e6 RR	315	wxRED_PEN->GetColour().Red(),
	316	wxRED_PEN->GetColour().Green(),
	317	wxRED_PEN->GetColour().Blue() );
	318	dc.DrawBitmap( i.ConvertToBitmap(), 150, 1860, TRUE );
bea56879 VZ	319	dc.SetTextForeground( "BLACK" );
	320	}
	321
	322	dc.DrawText("XPM bitmap", 30, 1950);
	323	if ( m_bmpSmileXpm.Ok() )
	324	{
	325	dc.DrawBitmap(m_bmpSmileXpm, 30, 1975, TRUE);
	326	}
	327
	328	dc.DrawText("XPM icon", 150, 1950);
	329	if ( m_iconSmileXpm.Ok() )
	330	{
	331	dc.DrawIcon(m_iconSmileXpm, 150, 1975);
82ea63e6	332	}
9390a202	333	}
1d5b7a0b	334
9390a202 RR	335	void MyCanvas::CreateAntiAliasedBitmap()
	336	{
	337	wxBitmap bitmap( 300, 300 );
a91b47e8	338
9390a202	339	wxMemoryDC dc;
a91b47e8	340
9390a202	341	dc.SelectObject( bitmap );
a91b47e8	342
9390a202	343	dc.Clear();
f048e32f	344
6e47faf1	345	dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL) );
9390a202 RR	346	dc.SetTextForeground( "RED" );
	347	dc.DrawText( "This is anti-aliased Text.", 20, 20 );
	348	dc.DrawText( "And a Rectangle.", 20, 60 );
f048e32f	349
9390a202	350	dc.SetBrush( *wxRED_BRUSH );
91b8de8d	351	dc.SetPen( *wxTRANSPARENT_PEN );
9390a202	352	dc.DrawRoundedRectangle( 20, 100, 200, 180, 20 );
f048e32f	353
9390a202 RR	354	wxImage original( bitmap );
9390a202 RR	355	wxImage anti( 150, 150 );
a91b47e8	356
9390a202	357	/* This is quite slow, but safe. Use wxImage::GetData() for speed instead. */
f048e32f	358
9390a202 RR	359	for (int y = 1; y < 149; y++)
	360	for (int x = 1; x < 149; x++)
	361	{
	362	int red = original.GetRed( x2, y2 ) +
f048e32f VZ	363	original.GetRed( x2-1, y2 ) +
f048e32f VZ	364	original.GetRed( x2, y2+1 ) +
9390a202	365	original.GetRed( x2+1, y2+1 );
f048e32f VZ	366	red = red/4;
f048e32f VZ	367
9390a202	368	int green = original.GetGreen( x2, y2 ) +
f048e32f VZ	369	original.GetGreen( x2-1, y2 ) +
f048e32f VZ	370	original.GetGreen( x2, y2+1 ) +
9390a202	371	original.GetGreen( x2+1, y2+1 );
f048e32f VZ	372	green = green/4;
f048e32f VZ	373
9390a202	374	int blue = original.GetBlue( x2, y2 ) +
f048e32f VZ	375	original.GetBlue( x2-1, y2 ) +
f048e32f VZ	376	original.GetBlue( x2, y2+1 ) +
9390a202	377	original.GetBlue( x2+1, y2+1 );
f048e32f	378	blue = blue/4;
9390a202 RR	379	anti.SetRGB( x, y, red, green, blue );
	380	}
	381	my_anti = new wxBitmap( anti.ConvertToBitmap() );
01111366 RR	382	}
	383
	384	// MyFrame
	385
79490c3d VZ	386	const int ID_QUIT = 108;
79490c3d VZ	387	const int ID_ABOUT = 109;
01111366 RR	388
	389	IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
	390
	391	BEGIN_EVENT_TABLE(MyFrame,wxFrame)
	392	EVT_MENU (ID_ABOUT, MyFrame::OnAbout)
	393	EVT_MENU (ID_QUIT, MyFrame::OnQuit)
	394	END_EVENT_TABLE()
	395
1d5b7a0b VZ	396	MyFrame::MyFrame()
	397	: wxFrame( (wxFrame *)NULL, -1, "wxImage sample",
	398	wxPoint(20,20), wxSize(470,360) )
01111366 RR	399	{
01111366 RR	400	wxMenu *file_menu = new wxMenu();
90e58684 RR	401	file_menu->Append( ID_ABOUT, "&About..");
90e58684 RR	402	file_menu->Append( ID_QUIT, "E&xit");
1d5b7a0b	403
01111366	404	wxMenuBar *menu_bar = new wxMenuBar();
90e58684	405	menu_bar->Append(file_menu, "&File");
3d05544e	406
01111366	407	SetMenuBar( menu_bar );
1d5b7a0b	408
917e533b RR	409	CreateStatusBar(2);
	410	int widths[] = { -1, 100 };
	411	SetStatusWidths( 2, widths );
1d5b7a0b	412
fb1585ae	413	m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
cbd4be25	414
bea56879 VZ	415	// 500 width * 2100 height
bea56879 VZ	416	m_canvas->SetScrollbars( 10, 10, 50, 210 );
01111366 RR	417	}
	418
	419	void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
	420	{
	421	Close( TRUE );
	422	}
	423
	424	void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
	425	{
1d5b7a0b	426	(void)wxMessageBox( "wxImage demo\n"
41fbc841	427	"Robert Roebling (c) 1998,2000",
1d5b7a0b	428	"About wxImage Demo", wxICON_INFORMATION \| wxOK );
fb1585ae RR	429	}
fb1585ae RR	430
01111366 RR	431	//-----------------------------------------------------------------------------
	432	// MyApp
	433	//-----------------------------------------------------------------------------
	434
1d5b7a0b	435	bool MyApp::OnInit()
01111366	436	{
e9c4b1a2 JS	437	#if wxUSE_LIBPNG
	438	wxImage::AddHandler( new wxPNGHandler );
	439	#endif
	440
	441	#if wxUSE_LIBJPEG
	442	wxImage::AddHandler( new wxJPEGHandler );
	443	#endif
	444
60a41aee RR	445	#if wxUSE_LIBTIFF
	446	wxImage::AddHandler( new wxTIFFHandler );
	447	#endif
	448
6e47faf1	449	#if wxUSE_GIF
e1929140	450	wxImage::AddHandler( new wxGIFHandler );
6e47faf1 JS	451	#endif
	452
	453	#if wxUSE_PCX
cbd4be25	454	wxImage::AddHandler( new wxPCXHandler );
6e47faf1 JS	455	#endif
	456
	457	#if wxUSE_PNM
6319afe3	458	wxImage::AddHandler( new wxPNMHandler );
6e47faf1	459	#endif
e1929140	460
01111366 RR	461	wxFrame *frame = new MyFrame();
01111366 RR	462	frame->Show( TRUE );
1d5b7a0b	463
01111366 RR	464	return TRUE;
	465	}
	466