#include "wx/wfstream.h"
#include "wx/quantize.h"
+#if wxUSE_CLIPBOARD
+ #include "wx/dataobj.h"
+ #include "wx/clipbrd.h"
+#endif // wxUSE_CLIPBOARD
+
#include "smile.xbm"
+#include "smile.xpm"
-#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
- #include "smile.xpm"
+#if defined(__WXMSW__) || defined(__WXMAC__)
+ #ifdef wxHAVE_RAW_BITMAP
+ #include "wx/rawbmp.h"
+ #endif
#endif
-
// derived classes
class MyFrame;
void OnAbout( wxCommandEvent &event );
void OnNewFrame( wxCommandEvent &event );
+#ifdef wxHAVE_RAW_BITMAP
+ void OnTestRawBitmap( wxCommandEvent &event );
+#endif // wxHAVE_RAW_BITMAP
void OnQuit( wxCommandEvent &event );
+#if wxUSE_CLIPBOARD
+ void OnCopy(wxCommandEvent& event);
+ void OnPaste(wxCommandEvent& event);
+#endif // wxUSE_CLIPBOARD
+
MyCanvas *m_canvas;
private:
{
public:
MyImageFrame(wxFrame *parent, const wxBitmap& bitmap)
- : wxFrame(parent, -1, _T("Double click to save"),
+ : wxFrame(parent, wxID_ANY, _T("Double click to save"),
wxDefaultPosition, wxDefaultSize,
- wxCAPTION | wxSYSTEM_MENU),
+ wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX),
m_bitmap(bitmap)
{
SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
}
+ void OnEraseBackground(wxEraseEvent& WXUNUSED(event))
+ {
+ // do nothing here to be able to see how transparent images are shown
+ }
+
void OnPaint(wxPaintEvent& WXUNUSED(event))
{
wxPaintDC dc( this );
- //TRUE for masked images
- dc.DrawBitmap( m_bitmap, 0, 0, TRUE );
+ dc.DrawBitmap( m_bitmap, 0, 0, true /* use mask */ );
}
void OnSave(wxMouseEvent& WXUNUSED(event))
wxT("PCX files (*.pcx)|*.pcx|")
wxT("ICO files (*.ico)|*.ico|")
wxT("CUR files (*.cur)|*.cur"),
- wxSAVE);
+ wxSAVE,
+ this);
if ( savefilename.empty() )
return;
{
unsigned char *cmap = new unsigned char [256];
for ( int i = 0; i < 256; i++ )
- cmap[i] = i;
+ cmap[i] = (unsigned char)i;
image.SetPalette(wxPalette(256, cmap, cmap, cmap));
delete cmap;
DECLARE_EVENT_TABLE()
};
+#ifdef wxHAVE_RAW_BITMAP
+
+#include "wx/rawbmp.h"
+
+class MyRawBitmapFrame : public wxFrame
+{
+public:
+ enum
+ {
+ BORDER = 15,
+ SIZE = 150,
+ REAL_SIZE = SIZE - 2*BORDER
+ };
+
+ MyRawBitmapFrame(wxFrame *parent)
+ : wxFrame(parent, wxID_ANY, _T("Raw bitmaps (how exciting)")),
+ m_bitmap(SIZE, SIZE, 32)
+ {
+ SetClientSize(SIZE, SIZE);
+
+ // another possibility: wxNativePixelData (don't forget to remove code
+ // setting alpha in the loop below then)
+ typedef wxAlphaPixelData Data;
+
+ Data data(m_bitmap, wxPoint(BORDER, BORDER), wxSize(REAL_SIZE, REAL_SIZE));
+ if ( !data )
+ {
+ wxLogError(_T("Failed to gain raw access to bitmap data"));
+ return;
+ }
+
+ data.UseAlpha();
+
+ Data::Iterator p(data);
+
+ for ( int y = 0; y < REAL_SIZE; ++y )
+ {
+ Data::Iterator rowStart = p;
+
+ int r = y < REAL_SIZE/3 ? 255 : 0,
+ g = (REAL_SIZE/3 <= y) && (y < 2*(REAL_SIZE/3)) ? 255 : 0,
+ b = 2*(REAL_SIZE/3) <= y ? 255 : 0;
+
+ for ( int x = 0; x < REAL_SIZE; ++x )
+ {
+ p.Red() = r;
+ p.Green() = g;
+ p.Blue() = b;
+ p.Alpha() = (Data::Iterator::ChannelType)((x*255.)/REAL_SIZE);
+
+ ++p; // same as p.OffsetX(1)
+ }
+
+ p = rowStart;
+ p.OffsetY(data, 1);
+ }
+ }
+
+ void OnPaint(wxPaintEvent& WXUNUSED(event))
+ {
+ wxPaintDC dc( this );
+ dc.DrawText(_T("This is alpha and raw bitmap test"), 0, BORDER);
+ dc.DrawText(_T("This is alpha and raw bitmap test"), 0, SIZE/2 - BORDER);
+ dc.DrawText(_T("This is alpha and raw bitmap test"), 0, SIZE - 2*BORDER);
+ dc.DrawBitmap( m_bitmap, 0, 0, true /* use mask */ );
+ }
+
+private:
+ wxBitmap m_bitmap;
+
+ DECLARE_EVENT_TABLE()
+};
+
+#endif // wxHAVE_RAW_BITMAP
+
// MyApp
class MyApp: public wxApp
IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)
BEGIN_EVENT_TABLE(MyImageFrame, wxFrame)
- EVT_PAINT(MyImageFrame::OnPaint)
- EVT_LEFT_DCLICK(MyImageFrame::OnSave)
+ EVT_ERASE_BACKGROUND(MyImageFrame::OnEraseBackground)
+ EVT_PAINT(MyImageFrame::OnPaint)
+ EVT_LEFT_DCLICK(MyImageFrame::OnSave)
END_EVENT_TABLE()
+#ifdef wxHAVE_RAW_BITMAP
+
+BEGIN_EVENT_TABLE(MyRawBitmapFrame, wxFrame)
+ EVT_PAINT(MyRawBitmapFrame::OnPaint)
+END_EVENT_TABLE()
+
+#endif // wxHAVE_RAW_BITMAP
+
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 )
-#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
, m_bmpSmileXpm((const char **) smile_xpm)
, m_iconSmileXpm((const char **) smile_xpm)
-#endif
{
my_horse_png = (wxBitmap*) NULL;
my_horse_jpeg = (wxBitmap*) NULL;
image.Destroy();
- image.LoadFile( dir + _T("test.png") );
- my_square = new wxBitmap( image );
+ if ( image.LoadFile( dir + _T("test.png") ) )
+ my_square = new wxBitmap( image );
image.Destroy();
my_smile_xbm = new wxBitmap( (const char*)smile_bits, smile_width,
smile_height, 1 );
-#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
// demonstrates XPM automatically using the mask when saving
if ( m_bmpSmileXpm.Ok() )
m_bmpSmileXpm.SaveFile(_T("saved.xpm"), wxBITMAP_TYPE_XPM);
-#endif
#if wxUSE_ICO_CUR
image.Destroy();
tmp << i ;
wxLogError(tmp);
}
- else
+ else
my_horse_ani [i] = wxBitmap( image );
}
-
-
-#endif
+#endif // wxUSE_ICO_CUR
image.Destroy();
// test image loading from stream
wxFile file(dir + _T("horse.bmp"));
- off_t len = file.Length();
- void *data = malloc(len);
- if ( file.Read(data, len) != len )
- wxLogError(_T("Reading bitmap file failed"));
- else
+ if ( file.IsOpened() )
{
- wxMemoryInputStream mis(data, len);
- if ( !image.LoadFile(mis) )
- wxLogError(wxT("Can't load BMP image from stream"));
+ wxFileOffset len = file.Length();
+ size_t dataSize = (size_t)len;
+ void *data = malloc(dataSize);
+ if ( file.Read(data, dataSize) != len )
+ wxLogError(_T("Reading bitmap file failed"));
else
- my_horse_bmp2 = new wxBitmap( image );
- }
+ {
+ wxMemoryInputStream mis(data, dataSize);
+ if ( !image.LoadFile(mis) )
+ wxLogError(wxT("Can't load BMP image from stream"));
+ else
+ my_horse_bmp2 = new wxBitmap( image );
+ }
- free(data);
+ free(data);
+ }
}
MyCanvas::~MyCanvas()
wxRED_PEN->GetColour().Red(),
wxRED_PEN->GetColour().Green(),
wxRED_PEN->GetColour().Blue() );
- dc.DrawBitmap( wxBitmap(i), 150, 2010, TRUE );
+ dc.DrawBitmap( wxBitmap(i), 150, 2010, true );
dc.SetTextForeground( wxT("BLACK") );
}
memdc.SetBrush( *wxWHITE_BRUSH );
memdc.DrawRectangle( 0,0,60,50 );
memdc.SetTextForeground( *wxBLACK );
+#ifndef __WXGTK20__
+ // I cannot convince GTK2 to draw into mono bitmaps
memdc.DrawText( _T("Hi!"), 5, 5 );
+#endif
memdc.SetBrush( *wxBLACK_BRUSH );
memdc.DrawRectangle( 33,5,20,20 );
memdc.SetPen( *wxRED_PEN );
wxRED_PEN->GetColour().Red(),
wxRED_PEN->GetColour().Green(),
wxRED_PEN->GetColour().Blue() );
- dc.DrawBitmap( wxBitmap(i), 150, 2130, TRUE );
+ dc.DrawBitmap( wxBitmap(i), 150, 2130, true );
dc.SetTextForeground( wxT("BLACK") );
}
- dc.DrawText(_T("XPM bitmap"), 30, 2230);
+ // For testing transparency
+ dc.SetBrush( *wxRED_BRUSH );
+ dc.DrawRectangle( 20, 2220, 560, 68 );
+
+ dc.DrawText(_T("XPM bitmap"), 30, 2230 );
if ( m_bmpSmileXpm.Ok() )
- {
- dc.DrawBitmap(m_bmpSmileXpm, 30, 2250, TRUE);
- }
+ dc.DrawBitmap(m_bmpSmileXpm, 30, 2250, true);
- dc.DrawText(_T("XPM icon"), 150, 2230);
+ dc.DrawText(_T("XPM icon"), 110, 2230 );
if ( m_iconSmileXpm.Ok() )
+ dc.DrawIcon(m_iconSmileXpm, 110, 2250);
+
+ // testing icon -> bitmap conversion
+ wxBitmap to_blit( m_iconSmileXpm );
+ if (to_blit.Ok())
{
- dc.DrawIcon(m_iconSmileXpm, 150, 2250);
+ dc.DrawText( _T("SubBitmap"), 170, 2230 );
+ wxBitmap sub = to_blit.GetSubBitmap( wxRect(0,0,15,15) );
+ if (sub.Ok())
+ dc.DrawBitmap( sub, 170, 2250, true );
+
+ dc.DrawText( _T("Enlarged"), 250, 2230 );
+ dc.SetUserScale( 1.5, 1.5 );
+ dc.DrawBitmap( to_blit, (int)(250/1.5), (int)(2250/1.5), true );
+ dc.SetUserScale( 2, 2 );
+ dc.DrawBitmap( to_blit, (int)(300/2), (int)(2250/2), true );
+ dc.SetUserScale( 1.0, 1.0 );
+
+ dc.DrawText( _T("Blit"), 400, 2230);
+ wxMemoryDC blit_dc;
+ blit_dc.SelectObject( to_blit );
+ dc.Blit( 400, 2250, to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, true );
+ dc.SetUserScale( 1.5, 1.5 );
+ dc.Blit( (int)(450/1.5), (int)(2250/1.5), to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, true );
+ dc.SetUserScale( 2, 2 );
+ dc.Blit( (int)(500/2), (int)(2250/2), to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, true );
+ dc.SetUserScale( 1.0, 1.0 );
}
dc.DrawText( _T("ICO handler (1st image)"), 30, 2290 );
if (my_horse_ico32 && my_horse_ico32->Ok())
- dc.DrawBitmap( *my_horse_ico32, 30, 2330, TRUE );
+ dc.DrawBitmap( *my_horse_ico32, 30, 2330, true );
dc.DrawText( _T("ICO handler (2nd image)"), 230, 2290 );
if (my_horse_ico16 && my_horse_ico16->Ok())
- dc.DrawBitmap( *my_horse_ico16, 230, 2330, TRUE );
+ dc.DrawBitmap( *my_horse_ico16, 230, 2330, true );
dc.DrawText( _T("ICO handler (best image)"), 430, 2290 );
if (my_horse_ico && my_horse_ico->Ok())
- dc.DrawBitmap( *my_horse_ico, 430, 2330, TRUE );
+ dc.DrawBitmap( *my_horse_ico, 430, 2330, true );
dc.DrawText( _T("CUR handler"), 30, 2390 );
if (my_horse_cur && my_horse_cur->Ok())
{
- dc.DrawBitmap( *my_horse_cur, 30, 2420, TRUE );
+ dc.DrawBitmap( *my_horse_cur, 30, 2420, true );
dc.SetPen (*wxRED_PEN);
dc.DrawLine (xH-10,yH,xH+10,yH);
dc.DrawLine (xH,yH-10,xH,yH+10);
for (i=0; i < m_ani_images; i ++)
if (my_horse_ani[i].Ok())
{
- dc.DrawBitmap( my_horse_ani[i], 230 + i * 2 * my_horse_ani[i].GetWidth() , 2420, TRUE );
+ dc.DrawBitmap( my_horse_ani[i], 230 + i * 2 * my_horse_ani[i].GetWidth() , 2420, true );
}
}
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 );
+ anti.SetRGB( x, y, (unsigned char)red, (unsigned char)green, (unsigned char)blue );
}
my_anti = new wxBitmap(anti);
}
// MyFrame
-const int ID_QUIT = 108;
-const int ID_ABOUT = 109;
-const int ID_NEW = 110;
+enum
+{
+ ID_QUIT = 108,
+ ID_ABOUT,
+ ID_NEW,
+ ID_SHOWRAW
+};
IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
EVT_MENU (ID_ABOUT, MyFrame::OnAbout)
EVT_MENU (ID_QUIT, MyFrame::OnQuit)
EVT_MENU (ID_NEW, MyFrame::OnNewFrame)
+#ifdef wxHAVE_RAW_BITMAP
+ EVT_MENU (ID_SHOWRAW, MyFrame::OnTestRawBitmap)
+#endif
+
+#if wxUSE_CLIPBOARD
+ EVT_MENU(wxID_COPY, MyFrame::OnCopy)
+ EVT_MENU(wxID_PASTE, MyFrame::OnPaste)
+#endif // wxUSE_CLIPBOARD
END_EVENT_TABLE()
MyFrame::MyFrame()
- : wxFrame( (wxFrame *)NULL, -1, _T("wxImage sample"),
+ : wxFrame( (wxFrame *)NULL, wxID_ANY, _T("wxImage sample"),
wxPoint(20,20), wxSize(470,360) )
{
- wxMenu *file_menu = new wxMenu();
- file_menu->Append( ID_NEW, _T("&Show image..."));
- file_menu->AppendSeparator();
- file_menu->Append( ID_ABOUT, _T("&About..."));
- file_menu->AppendSeparator();
- file_menu->Append( ID_QUIT, _T("E&xit"));
-
wxMenuBar *menu_bar = new wxMenuBar();
- menu_bar->Append(file_menu, _T("&File"));
+
+ wxMenu *menuImage = new wxMenu;
+ menuImage->Append( ID_NEW, _T("&Show any image...\tCtrl-O"));
+
+#ifdef wxHAVE_RAW_BITMAP
+ menuImage->Append( ID_SHOWRAW, _T("Test &raw bitmap...\tCtrl-R"));
+#endif
+ menuImage->AppendSeparator();
+ menuImage->Append( ID_ABOUT, _T("&About..."));
+ menuImage->AppendSeparator();
+ menuImage->Append( ID_QUIT, _T("E&xit\tCtrl-Q"));
+ menu_bar->Append(menuImage, _T("&Image"));
+
+#if wxUSE_CLIPBOARD
+ wxMenu *menuClipboard = new wxMenu;
+ menuClipboard->Append(wxID_COPY, _T("&Copy test image\tCtrl-C"));
+ menuClipboard->Append(wxID_PASTE, _T("&Paste image\tCtrl-V"));
+ menu_bar->Append(menuClipboard, _T("&Clipboard"));
+#endif // wxUSE_CLIPBOARD
SetMenuBar( menu_bar );
+#if wxUSE_STATUSBAR
CreateStatusBar(2);
int widths[] = { -1, 100 };
SetStatusWidths( 2, widths );
+#endif // wxUSE_STATUSBAR
- m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
+ m_canvas = new MyCanvas( this, wxID_ANY, wxPoint(0,0), wxSize(10,10) );
// 500 width * 2500 height
m_canvas->SetScrollbars( 10, 10, 50, 250 );
void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
{
- Close( TRUE );
+ Close( true );
}
void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
(new MyImageFrame(this, wxBitmap(image)))->Show();
}
+#ifdef wxHAVE_RAW_BITMAP
+
+void MyFrame::OnTestRawBitmap( wxCommandEvent &WXUNUSED(event) )
+{
+ (new MyRawBitmapFrame(this))->Show();
+}
+
+#endif // wxHAVE_RAW_BITMAP
+
+#if wxUSE_CLIPBOARD
+
+void MyFrame::OnCopy(wxCommandEvent& WXUNUSED(event))
+{
+ wxBitmapDataObject *dobjBmp = new wxBitmapDataObject;
+ dobjBmp->SetBitmap(*m_canvas->my_horse_png);
+
+ wxTheClipboard->Open();
+
+ if ( !wxTheClipboard->SetData(dobjBmp) )
+ {
+ wxLogError(_T("Failed to copy bitmap to clipboard"));
+ }
+
+ wxTheClipboard->Close();
+}
+
+void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
+{
+ wxBitmapDataObject dobjBmp;
+
+ wxTheClipboard->Open();
+ if ( !wxTheClipboard->GetData(dobjBmp) )
+ {
+ wxLogMessage(_T("No bitmap data in the clipboard"));
+ }
+ else
+ {
+ (new MyImageFrame(this, dobjBmp.GetBitmap()))->Show();
+ }
+ wxTheClipboard->Close();
+}
+
+#endif // wxUSE_CLIPBOARD
+
//-----------------------------------------------------------------------------
// MyApp
//-----------------------------------------------------------------------------
#endif
wxFrame *frame = new MyFrame();
- frame->Show( TRUE );
+ frame->Show( true );
- return TRUE;
+ return true;
}
projects / wxWidgets.git / blobdiff