// Author: Robert Roebling
// Modified by: Francesco Montorsi
// Created: 1998
-// RCS-ID: $Id$
// Copyright: (c) 1998-2005 Robert Roebling
// (c) 2005-2009 Vadim Zeitlin
-// License: wxWindows licence
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/image.h"
#include "wx/file.h"
#include "wx/filename.h"
+#include "wx/graphics.h"
#include "wx/mstream.h"
#include "wx/wfstream.h"
#include "wx/quantize.h"
+#include "wx/scopedptr.h"
#include "wx/stopwatch.h"
+#include "wx/versioninfo.h"
#if wxUSE_CLIPBOARD
#include "wx/dataobj.h"
#include "canvas.h"
-#ifndef __WXMSW__
+#ifndef wxHAS_IMAGES_IN_RESOURCES
#include "../sample.xpm"
#endif
#ifdef wxHAVE_RAW_BITMAP
void OnTestRawBitmap( wxCommandEvent &event );
#endif // wxHAVE_RAW_BITMAP
+#if wxUSE_GRAPHICS_CONTEXT
+ void OnTestGraphics(wxCommandEvent& event);
+#endif // wxUSE_GRAPHICS_CONTEXT
void OnQuit( wxCommandEvent &event );
#if wxUSE_CLIPBOARD
m_zoom = 1.;
wxMenu *menu = new wxMenu;
- menu->Append(wxID_SAVE);
+ menu->Append(wxID_SAVEAS);
menu->AppendSeparator();
menu->AppendCheckItem(ID_PAINT_BG, wxT("&Paint background"),
"Uncheck this for transparent images");
{
wxPaintDC dc(this);
-#ifndef __WXOSX__
- // on OSX the immediate Update from within ClearBackground leads to a recursion
if ( GetMenuBar()->IsChecked(ID_PAINT_BG) )
- ClearBackground();
-#endif
+ dc.Clear();
dc.SetUserScale(m_zoom, m_zoom);
wxString savefilename = wxFileSelector( wxT("Save Image"),
wxEmptyString,
wxEmptyString,
- (const wxChar *)NULL,
+ wxEmptyString,
wxT("BMP files (*.bmp)|*.bmp|")
#if wxUSE_LIBPNG
wxT("PNG files (*.png)|*.png|")
#endif
#if wxUSE_PCX
wxT("PCX files (*.pcx)|*.pcx|")
+#endif
+#if wxUSE_XPM
+ wxT("X PixMap files (*.xpm)|*.xpm|")
#endif
wxT("ICO files (*.ico)|*.ico|")
wxT("CUR files (*.cur)|*.cur"),
- wxFD_SAVE,
+ wxFD_SAVE | wxFD_OVERWRITE_PROMPT,
this);
if ( savefilename.empty() )
wxImage img(m_bitmap.ConvertToImage());
img = img.Rotate(angle, wxPoint(img.GetWidth() / 2, img.GetHeight() / 2));
- if ( !img.Ok() )
+ if ( !img.IsOk() )
{
wxLogWarning(wxT("Rotation failed"));
return;
EVT_ERASE_BACKGROUND(MyImageFrame::OnEraseBackground)
EVT_PAINT(MyImageFrame::OnPaint)
- EVT_MENU(wxID_SAVE, MyImageFrame::OnSave)
+ EVT_MENU(wxID_SAVEAS, MyImageFrame::OnSave)
EVT_MENU_RANGE(ID_ROTATE_LEFT, ID_ROTATE_RIGHT, MyImageFrame::OnRotate)
EVT_MENU(ID_RESIZE, MyImageFrame::OnResize)
ID_NEW = 100,
ID_INFO,
ID_SHOWRAW,
+ ID_GRAPHICS,
ID_SHOWTHUMBNAIL
};
#ifdef wxHAVE_RAW_BITMAP
EVT_MENU (ID_SHOWRAW, MyFrame::OnTestRawBitmap)
#endif
+#if wxUSE_GRAPHICS_CONTEXT
+ EVT_MENU (ID_GRAPHICS, MyFrame::OnTestGraphics)
+#endif // wxUSE_GRAPHICS_CONTEXT
#if wxUSE_CLIPBOARD
EVT_MENU(wxID_COPY, MyFrame::OnCopy)
EVT_MENU(wxID_PASTE, MyFrame::OnPaste)
menuImage->AppendSeparator();
menuImage->Append( ID_SHOWRAW, wxT("Test &raw bitmap...\tCtrl-R"));
#endif
+#if wxUSE_GRAPHICS_CONTEXT
+ menuImage->AppendSeparator();
+ menuImage->Append(ID_GRAPHICS, "Test &graphics context...\tCtrl-G");
+#endif // wxUSE_GRAPHICS_CONTEXT
menuImage->AppendSeparator();
menuImage->Append( ID_SHOWTHUMBNAIL, wxT("Test &thumbnail...\tCtrl-T"),
"Test scaling the image during load (try with JPEG)");
menuImage->AppendSeparator();
- menuImage->Append( ID_ABOUT, wxT("&About..."));
+ menuImage->Append( ID_ABOUT, wxT("&About\tF1"));
menuImage->AppendSeparator();
menuImage->Append( ID_QUIT, wxT("E&xit\tCtrl-Q"));
menu_bar->Append(menuImage, wxT("&Image"));
// 500 width * 2750 height
m_canvas->SetScrollbars( 10, 10, 50, 275 );
+ m_canvas->SetCursor(wxImage("cursor.png"));
}
void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
Close( true );
}
+#if wxUSE_ZLIB && wxUSE_STREAMS
+#include "wx/zstream.h"
+#endif
+
void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
{
- (void)wxMessageBox( "wxImage demo\n"
- "(c) Robert Roebling 1998-2005"
- "(c) Vadim Zeitlin 2005-2009",
+ wxArrayString array;
+
+ array.Add("wxImage demo");
+ array.Add("(c) Robert Roebling 1998-2005");
+ array.Add("(c) Vadim Zeitlin 2005-2009");
+
+ array.Add(wxEmptyString);
+ array.Add("Version of the libraries used:");
+
+#if wxUSE_LIBPNG
+ array.Add(wxPNGHandler::GetLibraryVersionInfo().ToString());
+#endif
+#if wxUSE_LIBJPEG
+ array.Add(wxJPEGHandler::GetLibraryVersionInfo().ToString());
+#endif
+#if wxUSE_LIBTIFF
+ array.Add(wxTIFFHandler::GetLibraryVersionInfo().ToString());
+#endif
+#if wxUSE_ZLIB && wxUSE_STREAMS
+ // zlib is used by libpng
+ array.Add(wxGetZlibVersionInfo().ToString());
+#endif
+ (void)wxMessageBox( wxJoin(array, '\n'),
"About wxImage Demo",
wxICON_INFORMATION | wxOK );
}
#endif // wxHAVE_RAW_BITMAP
+#if wxUSE_GRAPHICS_CONTEXT
+
+class MyGraphicsFrame : public wxFrame
+{
+public:
+ enum
+ {
+ WIDTH = 256,
+ HEIGHT = 90
+ };
+
+ MyGraphicsFrame(wxWindow* parent) :
+ wxFrame(parent, wxID_ANY, "Graphics context test"),
+ m_image(WIDTH, HEIGHT, false)
+ {
+ // Create a test image: it has 3 horizontal primary colour bands with
+ // alpha increasing from left to right.
+ m_image.SetAlpha();
+ unsigned char* alpha = m_image.GetAlpha();
+ unsigned char* data = m_image.GetData();
+
+ for ( int y = 0; y < HEIGHT; y++ )
+ {
+ unsigned char r = 0,
+ g = 0,
+ b = 0;
+ if ( y < HEIGHT/3 )
+ r = 0xff;
+ else if ( y < (2*HEIGHT)/3 )
+ g = 0xff;
+ else
+ b = 0xff;
+
+ for ( int x = 0; x < WIDTH; x++ )
+ {
+ *alpha++ = x;
+ *data++ = r;
+ *data++ = g;
+ *data++ = b;
+ }
+ }
+
+ m_bitmap = wxBitmap(m_image);
+
+ Connect(wxEVT_PAINT, wxPaintEventHandler(MyGraphicsFrame::OnPaint));
+
+ Show();
+ }
+
+private:
+ void OnPaint(wxPaintEvent& WXUNUSED(event))
+ {
+ wxPaintDC dc(this);
+ wxScopedPtr<wxGraphicsContext> gc(wxGraphicsContext::Create(dc));
+ wxGraphicsBitmap gb(gc->CreateBitmapFromImage(m_image));
+
+ gc->SetFont(*wxNORMAL_FONT, *wxBLACK);
+ gc->DrawText("Bitmap", 0, HEIGHT/2);
+ gc->DrawBitmap(m_bitmap, 0, 0, WIDTH, HEIGHT);
+
+ wxGraphicsFont gf = gc->CreateFont(wxNORMAL_FONT->GetPixelSize().y, "");
+ gc->SetFont(gf);
+ gc->DrawText("Graphics bitmap", 0, (3*HEIGHT)/2);
+ gc->DrawBitmap(gb, 0, HEIGHT, WIDTH, HEIGHT);
+ }
+
+ wxImage m_image;
+ wxBitmap m_bitmap;
+
+ wxDECLARE_NO_COPY_CLASS(MyGraphicsFrame);
+};
+
+void MyFrame::OnTestGraphics(wxCommandEvent& WXUNUSED(event))
+{
+ new MyGraphicsFrame(this);
+}
+
+#endif // wxUSE_GRAPHICS_CONTEXT
+
#if wxUSE_CLIPBOARD
void MyFrame::OnCopy(wxCommandEvent& WXUNUSED(event))
return;
}
+ int origWidth = image.GetOptionInt( wxIMAGE_OPTION_ORIGINAL_WIDTH );
+ int origHeight = image.GetOptionInt( wxIMAGE_OPTION_ORIGINAL_HEIGHT );
+
const long loadTime = sw.Time();
MyImageFrame * const frame = new MyImageFrame(this, filename, image);
- wxLogStatus(frame, "Loaded \"%s\" in %ldms", filename, loadTime);
+ wxLogStatus(frame, "Loaded \"%s\" in %ldms; original size was (%d, %d)",
+ filename, loadTime, origWidth, origHeight);
#else
wxLogError( wxT("Couldn't create file selector dialog") );
return;
projects / wxWidgets.git / blobdiff