#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"
#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
#include "smile.xpm"
#endif
-#if !defined(__WXMOTIF__)
-#define wxHAVE_RAW_BITMAP
+#if defined(__WXMSW__) || defined(__WXMAC__)
+ #ifdef wxHAVE_RAW_BITMAP
+ #include "wx/rawbmp.h"
+ #endif
#endif
// derived classes
#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:
MyImageFrame(wxFrame *parent, const wxBitmap& bitmap)
: wxFrame(parent, -1, _T("Double click to save"),
wxDefaultPosition, wxDefaultSize,
- wxCAPTION | wxSYSTEM_MENU),
+ wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX),
m_bitmap(bitmap)
{
SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
{
SetClientSize(SIZE, SIZE);
- wxRawBitmapData data(m_bitmap);
+ // 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;
}
- wxRawBitmapIterator p(data);
+ data.UseAlpha();
- p.Offset(BORDER, BORDER);
+ Data::Iterator p(data);
for ( int y = 0; y < REAL_SIZE; ++y )
{
- wxRawBitmapIterator rowStart = p;
+ Data::Iterator rowStart = p;
int r = y < REAL_SIZE/3 ? 255 : 0,
g = (REAL_SIZE/3 <= y) && (y < 2*(REAL_SIZE/3)) ? 255 : 0,
p.Red() = r;
p.Green() = g;
p.Blue() = b;
- p.Alpha() = x;
+ p.Alpha() = (Data::Iterator::ChannelType)((x*255.)/REAL_SIZE);
++p; // same as p.OffsetX(1)
}
p = rowStart;
- p.OffsetY(1);
+ p.OffsetY(data, 1);
}
}
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();
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"));
+ off_t len = file.Length();
+ void *data = malloc(len);
+ if ( file.Read(data, len) != len )
+ wxLogError(_T("Reading bitmap file failed"));
else
- my_horse_bmp2 = new wxBitmap( image );
- }
+ {
+ wxMemoryInputStream mis(data, len);
+ 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()
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 );
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.DrawText(_T("XPM icon"), 150, 2230);
+ dc.DrawText(_T("XPM icon"), 110, 2230 );
if ( m_iconSmileXpm.Ok() )
- {
- dc.DrawIcon(m_iconSmileXpm, 150, 2250);
- }
+ dc.DrawIcon(m_iconSmileXpm, 110, 2250);
+
+ // testing icon -> bitmap conversion
+ wxBitmap to_blit( m_iconSmileXpm );
+
+ dc.DrawText( _T("SubBitmap"), 170, 2230 );
+ wxBitmap sub = to_blit.GetSubBitmap( wxRect(0,0,15,15) );
+ 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())
#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"),
wxPoint(20,20), wxSize(470,360) )
{
- wxMenu *file_menu = new wxMenu();
- file_menu->Append( ID_NEW, _T("&Show image...\tCtrl-O"));
+ wxMenuBar *menu_bar = new wxMenuBar();
+
+ wxMenu *menuImage = new wxMenu;
+ menuImage->Append( ID_NEW, _T("&Show any image...\tCtrl-O"));
+
#ifdef wxHAVE_RAW_BITMAP
- file_menu->Append( ID_SHOWRAW, _T("Test &raw bitmap...\tCtrl-R"));
+ menuImage->Append( ID_SHOWRAW, _T("Test &raw bitmap...\tCtrl-R"));
#endif
- file_menu->AppendSeparator();
- file_menu->Append( ID_ABOUT, _T("&About..."));
- file_menu->AppendSeparator();
- file_menu->Append( ID_QUIT, _T("E&xit\tCtrl-Q"));
-
- wxMenuBar *menu_bar = new wxMenuBar();
- menu_bar->Append(file_menu, _T("&File"));
+ 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 );
#ifdef wxHAVE_RAW_BITMAP
-void MyFrame::OnTestRawBitmap( wxCommandEvent &event )
+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
//-----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff