X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bf504f980a2ab2e44ad20efe1f94292943d0dfae..58bd3862b82749175bd04809607d82f1b22f0300:/samples/image/image.cpp diff --git a/samples/image/image.cpp b/samples/image/image.cpp index 57260e265d..01af647f11 100644 --- a/samples/image/image.cpp +++ b/samples/image/image.cpp @@ -1,11 +1,13 @@ -/* - * Program: image - * - * Author: Robert Roebling - * - * Copyright: (C) 1998, Robert Roebling - * - */ +/////////////////////////////////////////////////////////////////////////////// +// Name: samples/image/image.cpp +// Purpose: sample showing operations with wxImage +// Author: Robert Roebling +// Modified by: +// Created: 1998 +// RCS-ID: $Id$ +// Copyright: (c) 1998-2005 Robert Roebling +// License: wxWindows licence +/////////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" @@ -15,18 +17,35 @@ #endif #ifndef WX_PRECOMP -#include "wx/wx.h" + #include "wx/wx.h" #endif #include "wx/image.h" #include "wx/file.h" +#include "wx/filename.h" #include "wx/mstream.h" #include "wx/wfstream.h" #include "wx/quantize.h" +#include "wx/stopwatch.h" + +#if wxUSE_CLIPBOARD + #include "wx/dataobj.h" + #include "wx/clipbrd.h" +#endif // wxUSE_CLIPBOARD #include "smile.xbm" #include "smile.xpm" +#if defined(__WXMSW__) + #ifdef wxHAVE_RAW_BITMAP + #include "wx/rawbmp.h" + #endif +#endif + +#if defined(__WXMAC__) || defined(__WXGTK__) + #define wxHAVE_RAW_BITMAP + #include "wx/rawbmp.h" +#endif // derived classes @@ -38,66 +57,58 @@ class MyApp; 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_horse_xpm; - wxBitmap *my_horse_ico32; - wxBitmap *my_horse_ico16; - wxBitmap *my_horse_ico; - wxBitmap *my_horse_cur; - - wxBitmap *my_smile_xbm; - wxBitmap *my_square; - wxBitmap *my_anti; + wxBitmap my_horse_png; + wxBitmap my_horse_jpeg; + wxBitmap my_horse_gif; + wxBitmap my_horse_bmp; + wxBitmap my_horse_bmp2; + wxBitmap my_horse_pcx; + wxBitmap my_horse_pnm; + wxBitmap my_horse_tiff; + wxBitmap my_horse_tga; + wxBitmap my_horse_xpm; + wxBitmap my_horse_ico32; + wxBitmap my_horse_ico16; + wxBitmap my_horse_ico; + wxBitmap my_horse_cur; + + wxBitmap my_smile_xbm; + wxBitmap my_square; + wxBitmap my_anti; + + wxBitmap my_horse_asciigrey_pnm; + wxBitmap my_horse_rawgrey_pnm; + + wxBitmap colorized_horse_jpeg; + wxBitmap my_cmyk_jpeg; + + wxBitmap my_toucan; + wxBitmap my_toucan_flipped_horiz; + wxBitmap my_toucan_flipped_vert; + wxBitmap my_toucan_flipped_both; + wxBitmap my_toucan_grey; + wxBitmap my_toucan_head; + wxBitmap my_toucan_scaled_normal; + wxBitmap my_toucan_scaled_high; + wxBitmap my_toucan_blur; int xH, yH ; + int m_ani_images; + wxBitmap *my_horse_ani; -protected: +private: wxBitmap m_bmpSmileXpm; wxIcon m_iconSmileXpm; -private: - DECLARE_DYNAMIC_CLASS(MyCanvas) DECLARE_EVENT_TABLE() }; -const int nChoices = 8 ; -static const wxString bppchoices[nChoices] = -{ - "1 bpp color", - "1 bpp B&W", - "4 bpp color", - "8 bpp color", - "8 bpp greyscale", - "8 bpp red", - "8 bpp own palette", - "24 bpp" -}; - -static const int bppvalues[nChoices] = -{ - wxBMP_1BPP, - wxBMP_1BPP_BW, - wxBMP_4BPP, - wxBMP_8BPP, - wxBMP_8BPP_GREY, - wxBMP_8BPP_RED, - wxBMP_8BPP_PALETTE, - wxBMP_24BPP -}; - // MyFrame @@ -108,118 +119,408 @@ public: void OnAbout( wxCommandEvent &event ); void OnNewFrame( wxCommandEvent &event ); + void OnImageInfo( wxCommandEvent &event ); + void OnThumbnail( 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: + // ask user for the file name and try to load an image from it + // + // return the file path on success, empty string if we failed to load the + // image or were cancelled by user + static wxString LoadUserImage(wxImage& image); + + DECLARE_DYNAMIC_CLASS(MyFrame) DECLARE_EVENT_TABLE() }; +// ---------------------------------------------------------------------------- +// Frame used for showing a standalone image +// ---------------------------------------------------------------------------- + +enum +{ + ID_ROTATE_LEFT = wxID_HIGHEST+1, + ID_ROTATE_RIGHT, + ID_RESIZE, + ID_PAINT_BG +}; + class MyImageFrame : public wxFrame { public: - MyImageFrame(wxFrame *parent, const wxBitmap& bitmap) - : wxFrame(parent, -1, _T("Double click to save"), + MyImageFrame(wxFrame *parent, const wxString& desc, const wxBitmap& bitmap) + : wxFrame(parent, wxID_ANY, + wxString::Format(_T("Image from %s"), desc.c_str()), wxDefaultPosition, wxDefaultSize, - wxCAPTION | wxSYSTEM_MENU), + wxDEFAULT_FRAME_STYLE | wxFULL_REPAINT_ON_RESIZE), m_bitmap(bitmap) { + wxMenu *menu = new wxMenu; + menu->Append(wxID_SAVE); + menu->AppendSeparator(); + m_pClearBgMenu = menu->AppendCheckItem(ID_PAINT_BG, _T("&Paint background")); + menu->AppendSeparator(); + menu->Append(ID_RESIZE, _T("&Fit to window\tCtrl-F")); + menu->AppendSeparator(); + menu->Append(ID_ROTATE_LEFT, _T("Rotate &left\tCtrl-L")); + menu->Append(ID_ROTATE_RIGHT, _T("Rotate &right\tCtrl-R")); + + wxMenuBar *mbar = new wxMenuBar; + mbar->Append(menu, _T("&Image")); + SetMenuBar(mbar); + + CreateStatusBar(); + SetClientSize(bitmap.GetWidth(), bitmap.GetHeight()); + + UpdateStatusBar(); + +// SetBackgroundColour(*wxWHITE); + } + + 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 ); + wxPaintDC dc(this); + + if (m_pClearBgMenu->IsChecked()) + ClearBackground(); + + const wxSize size = GetClientSize(); + dc.DrawBitmap(m_bitmap, + (size.x - m_bitmap.GetWidth())/2, + (size.y - m_bitmap.GetHeight())/2, + true /* use mask */); } void OnSave(wxCommandEvent& WXUNUSED(event)) { - wxImage image(m_bitmap); - - int bppselection = wxGetSingleChoiceIndex("Set BMP BPP", - "Set BMP BPP", - nChoices, - bppchoices, - this); - if ( bppselection == -1 ) +#if wxUSE_FILEDLG + wxImage image = m_bitmap.ConvertToImage(); + + wxString savefilename = wxFileSelector( wxT("Save Image"), + wxEmptyString, + wxEmptyString, + (const wxChar *)NULL, + wxT("BMP files (*.bmp)|*.bmp|") + wxT("PNG files (*.png)|*.png|") + wxT("JPEG files (*.jpg)|*.jpg|") + wxT("GIF files (*.gif)|*.gif|") + wxT("TIFF files (*.tif)|*.tif|") + wxT("PCX files (*.pcx)|*.pcx|") + wxT("ICO files (*.ico)|*.ico|") + wxT("CUR files (*.cur)|*.cur"), + wxFD_SAVE, + this); + + if ( savefilename.empty() ) + return; + + wxString extension; + wxFileName::SplitPath(savefilename, NULL, NULL, &extension); + + bool saved = false; + if ( extension == _T("bmp") ) + { + static const int bppvalues[] = + { + wxBMP_1BPP, + wxBMP_1BPP_BW, + wxBMP_4BPP, + wxBMP_8BPP, + wxBMP_8BPP_GREY, + wxBMP_8BPP_RED, + wxBMP_8BPP_PALETTE, + wxBMP_24BPP + }; + + const wxString bppchoices[] = + { + _T("1 bpp color"), + _T("1 bpp B&W"), + _T("4 bpp color"), + _T("8 bpp color"), + _T("8 bpp greyscale"), + _T("8 bpp red"), + _T("8 bpp own palette"), + _T("24 bpp") + }; + + int bppselection = wxGetSingleChoiceIndex(_T("Set BMP BPP"), + _T("Image sample: save file"), + WXSIZEOF(bppchoices), + bppchoices, + this); + if ( bppselection != -1 ) + { + int format = bppvalues[bppselection]; + image.SetOption(wxIMAGE_OPTION_BMP_FORMAT, format); + + if ( format == wxBMP_8BPP_PALETTE ) + { + unsigned char *cmap = new unsigned char [256]; + for ( int i = 0; i < 256; i++ ) + cmap[i] = (unsigned char)i; + image.SetPalette(wxPalette(256, cmap, cmap, cmap)); + + delete[] cmap; + } + } + } + else if ( extension == _T("png") ) + { + static const int pngvalues[] = + { + wxPNG_TYPE_COLOUR, + wxPNG_TYPE_COLOUR, + wxPNG_TYPE_GREY, + wxPNG_TYPE_GREY, + wxPNG_TYPE_GREY_RED, + wxPNG_TYPE_GREY_RED, + }; + + const wxString pngchoices[] = + { + _T("Colour 8bpp"), + _T("Colour 16bpp"), + _T("Grey 8bpp"), + _T("Grey 16bpp"), + _T("Grey red 8bpp"), + _T("Grey red 16bpp"), + }; + + int sel = wxGetSingleChoiceIndex(_T("Set PNG format"), + _T("Image sample: save file"), + WXSIZEOF(pngchoices), + pngchoices, + this); + if ( sel != -1 ) + { + image.SetOption(wxIMAGE_OPTION_PNG_FORMAT, pngvalues[sel]); + image.SetOption(wxIMAGE_OPTION_PNG_BITDEPTH, sel % 2 ? 16 : 8); + } + } + else if ( extension == _T("cur") ) + { + image.Rescale(32,32); + image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, 0); + image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, 0); + // This shows how you can save an image with explicitly + // specified image format: + saved = image.SaveFile(savefilename, wxBITMAP_TYPE_CUR); + } + + if ( !saved ) { - // cancelled + // This one guesses image format from filename extension + // (it may fail if the extension is not recognized): + image.SaveFile(savefilename); + } +#endif // wxUSE_FILEDLG + } + + void OnResize(wxCommandEvent& WXUNUSED(event)) + { + wxImage img(m_bitmap.ConvertToImage()); + + const wxSize size = GetClientSize(); + img.Rescale(size.x, size.y, wxIMAGE_QUALITY_HIGH); + m_bitmap = wxBitmap(img); + + UpdateStatusBar(); + Refresh(); + } + + void OnRotate(wxCommandEvent& event) + { + double angle = 5; + if ( event.GetId() == ID_ROTATE_LEFT ) + angle = -angle; + + wxImage img(m_bitmap.ConvertToImage()); + img = img.Rotate(angle, wxPoint(img.GetWidth() / 2, img.GetHeight() / 2)); + if ( !img.Ok() ) + { + wxLogWarning(_T("Rotation failed")); return; } - image.SetOption(wxBMP_FORMAT, bppvalues[bppselection]); + m_bitmap = wxBitmap(img); - wxString deffilename = bppchoices[bppselection]; - deffilename.Replace(wxT(" "), wxT("_")); - deffilename += wxT(".bmp"); - wxString savefilename = wxFileSelector( wxT("Save Image"), - wxT(""), - deffilename, - (const wxChar *)NULL, - wxT("BMP files (*.bmp)|*.bmp|") - wxT("PNG files (*.png)|*.png|") - wxT("JPEG files (*.jpg)|*.jpg|") - wxT("GIF files (*.gif)|*.gif|") - wxT("TIFF files (*.tif)|*.tif|") - wxT("PCX files (*.pcx)|*.pcx|") - wxT("ICO files (*.ico)|*.ico|") - wxT("CUR files (*.cur)|*.cur"), - wxSAVE); + UpdateStatusBar(); + Refresh(); + } - if ( savefilename.empty() ) +private: + void UpdateStatusBar() + { + wxLogStatus(this, _T("Image size: (%d, %d)"), + m_bitmap.GetWidth(), + m_bitmap.GetHeight()); + } + + wxBitmap m_bitmap; + wxMenuItem* m_pClearBgMenu; + + 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, 24), + m_alphaBitmap(SIZE, SIZE, 32) + { + SetClientSize(SIZE, SIZE*2+25); + + InitAlphaBitmap(); + InitBitmap(); + + } + + void InitAlphaBitmap() + { + // First, clear the whole bitmap by making it alpha + { + wxAlphaPixelData data( m_alphaBitmap, wxPoint(0,0), wxSize(SIZE, SIZE) ); + if ( !data ) + { + wxLogError(_T("Failed to gain raw access to bitmap data")); + return; + } + wxAlphaPixelData::Iterator p(data); + for ( int y = 0; y < SIZE; ++y ) + { + wxAlphaPixelData::Iterator rowStart = p; + for ( int x = 0; x < SIZE; ++x ) + { + p.Alpha() = 0; + ++p; // same as p.OffsetX(1) + } + p = rowStart; + p.OffsetY(data, 1); + } + } + + // Then, draw colourful alpha-blended stripes + wxAlphaPixelData data(m_alphaBitmap, wxPoint(BORDER, BORDER), + wxSize(REAL_SIZE, REAL_SIZE)); + if ( !data ) + { + wxLogError(_T("Failed to gain raw access to bitmap data")); return; + } - if ( image.GetOptionInt(wxBMP_FORMAT) == wxBMP_8BPP_PALETTE ) + wxAlphaPixelData::Iterator p(data); + + for ( int y = 0; y < REAL_SIZE; ++y ) { - unsigned char *cmap = new unsigned char [256]; - for ( int i = 0; i < 256; i++ ) - cmap[i] = i; - image.SetPalette(wxPalette(256, cmap, cmap, cmap)); + wxAlphaPixelData::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 ) + { + // note that RGB must be premultiplied by alpha + unsigned a = (wxAlphaPixelData::Iterator::ChannelType)((x*255.)/REAL_SIZE); + p.Red() = r * a / 256; + p.Green() = g * a / 256; + p.Blue() = b * a / 256; + p.Alpha() = a; + + ++p; // same as p.OffsetX(1) + } - delete cmap; + p = rowStart; + p.OffsetY(data, 1); } + } - bool saved = FALSE; - - wxString extension = savefilename.AfterLast('.').Lower(); - - if (extension == "bmp") - saved=image.SaveFile(savefilename, wxBITMAP_TYPE_BMP); - else if (extension == "png") - saved=image.SaveFile(savefilename, wxBITMAP_TYPE_PNG); - else if (extension == "pcx") - saved=image.SaveFile(savefilename, wxBITMAP_TYPE_PCX); - else if ((extension == "tif") || (extension == "tiff")) - saved=image.SaveFile(savefilename, wxBITMAP_TYPE_TIF); - else if (extension == "jpg") - saved=image.SaveFile(savefilename, wxBITMAP_TYPE_JPEG); - else if (extension == "pnm") - saved=image.SaveFile(savefilename, wxBITMAP_TYPE_PNM); - else if (extension == "ico") - saved=image.SaveFile(savefilename, wxBITMAP_TYPE_ICO); - else if (extension == "cur") + void InitBitmap() + { + // draw some colourful stripes without alpha + wxNativePixelData data(m_bitmap); + if ( !data ) + { + wxLogError(_T("Failed to gain raw access to bitmap data")); + return; + } + + wxNativePixelData::Iterator p(data); + for ( int y = 0; y < SIZE; ++y ) + { + wxNativePixelData::Iterator rowStart = p; + + int r = y < SIZE/3 ? 255 : 0, + g = (SIZE/3 <= y) && (y < 2*(SIZE/3)) ? 255 : 0, + b = 2*(SIZE/3) <= y ? 255 : 0; + + for ( int x = 0; x < SIZE; ++x ) { - image.Rescale(32,32); - image.SetOption(wxCUR_HOTSPOT_X, 0); - image.SetOption(wxCUR_HOTSPOT_Y, 0); - saved=image.SaveFile(savefilename, wxBITMAP_TYPE_CUR); + p.Red() = r; + p.Green() = g; + p.Blue() = b; + ++p; // same as p.OffsetX(1) } - else - wxMessageBox("Unknown file type, see options in file selector.", - "Unknown file type", - wxOK|wxCENTRE, this); + + 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_alphaBitmap, 0, 0, true /* use mask */ ); + + dc.DrawText(_T("Raw bitmap access without alpha"), 0, SIZE+5); + dc.DrawBitmap( m_bitmap, 0, SIZE+5+dc.GetCharHeight()); } private: wxBitmap m_bitmap; + wxBitmap m_alphaBitmap; DECLARE_EVENT_TABLE() }; +#endif // wxHAVE_RAW_BITMAP + // MyApp class MyApp: public wxApp @@ -234,41 +535,35 @@ IMPLEMENT_APP(MyApp) // MyCanvas -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_MENU(wxID_SAVE, MyImageFrame::OnSave) + EVT_MENU_RANGE(ID_ROTATE_LEFT, ID_ROTATE_RIGHT, MyImageFrame::OnRotate) + EVT_MENU(ID_RESIZE, MyImageFrame::OnResize) 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) + 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 + : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER ) + , m_bmpSmileXpm(smile_xpm) + , m_iconSmileXpm(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_horse_xpm = (wxBitmap*) NULL; - my_horse_ico32 = (wxBitmap*) NULL; - my_horse_ico16 = (wxBitmap*) NULL; - my_horse_ico = (wxBitmap*) NULL; - my_horse_cur = (wxBitmap*) NULL; - - my_smile_xbm = (wxBitmap*) NULL; - my_square = (wxBitmap*) NULL; - my_anti = (wxBitmap*) NULL; + my_horse_ani = NULL; + m_ani_images = 0 ; SetBackgroundColour(* wxWHITE); @@ -286,159 +581,235 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, // try to find the directory with our images wxString dir; if ( wxFile::Exists(wxT("./horse.png")) ) - dir = "./"; + dir = wxT("./"); else if ( wxFile::Exists(wxT("../horse.png")) ) - dir = "../"; + dir = wxT("../"); else wxLogWarning(wxT("Can't find image files in either '.' or '..'!")); wxImage image = bitmap.ConvertToImage(); #if wxUSE_LIBPNG - if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG )) + if ( !image.SaveFile( dir + _T("test.png"), wxBITMAP_TYPE_PNG )) wxLogError(wxT("Can't save file")); image.Destroy(); - image.LoadFile( dir + wxString("test.png") ); - my_square = new wxBitmap( image ); + if ( image.LoadFile( dir + _T("test.png") ) ) + my_square = wxBitmap( image ); image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.png")) ) + if ( !image.LoadFile( dir + _T("horse.png")) ) + wxLogError(wxT("Can't load PNG image")); + else + my_horse_png = wxBitmap( image ); + + if ( !image.LoadFile( dir + _T("toucan.png")) ) wxLogError(wxT("Can't load PNG image")); else - my_horse_png = new wxBitmap( image ); + my_toucan = wxBitmap(image); + + my_toucan_flipped_horiz = wxBitmap(image.Mirror(true)); + my_toucan_flipped_vert = wxBitmap(image.Mirror(false)); + my_toucan_flipped_both = wxBitmap(image.Mirror(true).Mirror(false)); + my_toucan_grey = wxBitmap(image.ConvertToGreyscale()); + my_toucan_head = wxBitmap(image.GetSubImage(wxRect(40, 7, 80, 60))); + my_toucan_scaled_normal = wxBitmap(image.Scale(110,90,wxIMAGE_QUALITY_NORMAL)); + my_toucan_scaled_high = wxBitmap(image.Scale(110,90,wxIMAGE_QUALITY_HIGH)); + my_toucan_blur = wxBitmap(image.Blur(10)); + #endif // wxUSE_LIBPNG #if wxUSE_LIBJPEG image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.jpg")) ) + if ( !image.LoadFile( dir + _T("horse.jpg")) ) wxLogError(wxT("Can't load JPG image")); else - my_horse_jpeg = new wxBitmap( image ); + { + my_horse_jpeg = wxBitmap( image ); + + // Colorize by rotating green hue to red + wxImage::HSVValue greenHSV = wxImage::RGBtoHSV(wxImage::RGBValue(0, 255, 0)); + wxImage::HSVValue redHSV = wxImage::RGBtoHSV(wxImage::RGBValue(255, 0, 0)); + image.RotateHue(redHSV.hue - greenHSV.hue); + colorized_horse_jpeg = wxBitmap( image ); + } + + if ( !image.LoadFile( dir + _T("cmyk.jpg")) ) + wxLogError(_T("Can't load CMYK JPG image")); + else + my_cmyk_jpeg = wxBitmap(image); #endif // wxUSE_LIBJPEG #if wxUSE_GIF image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.gif")) ) + if ( !image.LoadFile( dir + _T("horse.gif" )) ) wxLogError(wxT("Can't load GIF image")); else - my_horse_gif = new wxBitmap( image ); + my_horse_gif = wxBitmap( image ); #endif #if wxUSE_PCX image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.pcx"), wxBITMAP_TYPE_PCX ) ) + if ( !image.LoadFile( dir + _T("horse.pcx"), wxBITMAP_TYPE_PCX ) ) wxLogError(wxT("Can't load PCX image")); else - my_horse_pcx = new wxBitmap( image ); + my_horse_pcx = wxBitmap( image ); #endif image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.bmp"), wxBITMAP_TYPE_BMP ) ) + if ( !image.LoadFile( dir + _T("horse.bmp"), wxBITMAP_TYPE_BMP ) ) wxLogError(wxT("Can't load BMP image")); else - my_horse_bmp = new wxBitmap( image ); + my_horse_bmp = wxBitmap( image ); #if wxUSE_XPM image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.xpm"), wxBITMAP_TYPE_XPM ) ) + if ( !image.LoadFile( dir + _T("horse.xpm"), wxBITMAP_TYPE_XPM ) ) wxLogError(wxT("Can't load XPM image")); else - my_horse_xpm = new wxBitmap( image ); + my_horse_xpm = wxBitmap( image ); - if ( !image.SaveFile( dir + wxString("test.xpm"), wxBITMAP_TYPE_XPM )) + if ( !image.SaveFile( dir + _T("test.xpm"), wxBITMAP_TYPE_XPM )) wxLogError(wxT("Can't save file")); #endif #if wxUSE_PNM image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.pnm"), wxBITMAP_TYPE_PNM ) ) + if ( !image.LoadFile( dir + _T("horse.pnm"), wxBITMAP_TYPE_PNM ) ) + wxLogError(wxT("Can't load PNM image")); + else + my_horse_pnm = wxBitmap( image ); + + image.Destroy(); + + if ( !image.LoadFile( dir + _T("horse_ag.pnm"), wxBITMAP_TYPE_PNM ) ) + wxLogError(wxT("Can't load PNM image")); + else + my_horse_asciigrey_pnm = wxBitmap( image ); + + image.Destroy(); + + if ( !image.LoadFile( dir + _T("horse_rg.pnm"), wxBITMAP_TYPE_PNM ) ) wxLogError(wxT("Can't load PNM image")); else - my_horse_pnm = new wxBitmap( image ); + my_horse_rawgrey_pnm = wxBitmap( image ); #endif #if wxUSE_LIBTIFF image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.tif"), wxBITMAP_TYPE_TIF ) ) + if ( !image.LoadFile( dir + _T("horse.tif"), wxBITMAP_TYPE_TIF ) ) wxLogError(wxT("Can't load TIFF image")); else - my_horse_tiff = new wxBitmap( image ); + my_horse_tiff = wxBitmap( image ); +#endif + +#if wxUSE_LIBTIFF + image.Destroy(); + + if ( !image.LoadFile( dir + _T("horse.tga"), wxBITMAP_TYPE_TGA ) ) + wxLogError(wxT("Can't load TGA image")); + else + my_horse_tga = wxBitmap( image ); #endif CreateAntiAliasedBitmap(); - my_smile_xbm = new wxBitmap( (const char*)smile_bits, smile_width, + my_smile_xbm = 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("saved.xpm", wxBITMAP_TYPE_XPM); -#endif + m_bmpSmileXpm.SaveFile(_T("saved.xpm"), wxBITMAP_TYPE_XPM); #if wxUSE_ICO_CUR image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.ico"), wxBITMAP_TYPE_ICO, 0 ) ) + if ( !image.LoadFile( dir + _T("horse.ico"), wxBITMAP_TYPE_ICO, 0 ) ) wxLogError(wxT("Can't load first ICO image")); else - my_horse_ico32 = new wxBitmap( image ); - + my_horse_ico32 = wxBitmap( image ); + image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.ico"), wxBITMAP_TYPE_ICO, 1 ) ) + if ( !image.LoadFile( dir + _T("horse.ico"), wxBITMAP_TYPE_ICO, 1 ) ) wxLogError(wxT("Can't load second ICO image")); else - my_horse_ico16 = new wxBitmap( image ); + my_horse_ico16 = wxBitmap( image ); image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.ico") ) ) + if ( !image.LoadFile( dir + _T("horse.ico") ) ) wxLogError(wxT("Can't load best ICO image")); else - my_horse_ico = new wxBitmap( image ); + my_horse_ico = wxBitmap( image ); image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.cur"), wxBITMAP_TYPE_CUR ) ) + if ( !image.LoadFile( dir + _T("horse.cur"), wxBITMAP_TYPE_CUR ) ) wxLogError(wxT("Can't load best ICO image")); else + { + my_horse_cur = wxBitmap( image ); + xH = 30 + image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X) ; + yH = 2420 + image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y) ; + } + + m_ani_images = wxImage::GetImageCount ( dir + _T("horse3.ani"), wxBITMAP_TYPE_ANI ); + if (m_ani_images==0) + wxLogError(wxT("No ANI-format images found")); + else + my_horse_ani = new wxBitmap [m_ani_images]; + int i ; + for (i=0; i < m_ani_images; i++) + { + image.Destroy(); + if (!image.LoadFile( dir + _T("horse3.ani"), wxBITMAP_TYPE_ANI, i )) { - my_horse_cur = new wxBitmap( image ); - xH = 30 + image.GetOptionInt(wxCUR_HOTSPOT_X) ; - yH = 2420 + image.GetOptionInt(wxCUR_HOTSPOT_Y) ; + wxString tmp = wxT("Can't load image number "); + tmp << i ; + wxLogError(tmp); } - -#endif + else + my_horse_ani [i] = wxBitmap( image ); + } +#endif // wxUSE_ICO_CUR + + image.Destroy(); + // test image loading from stream + wxFile file(dir + _T("horse.bmp")); + if ( file.IsOpened() ) + { + 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 + { + wxMemoryInputStream mis(data, dataSize); + if ( !image.LoadFile(mis) ) + wxLogError(wxT("Can't load BMP image from stream")); + else + my_horse_bmp2 = wxBitmap( image ); + } + + free(data); + } } 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_horse_xpm; - delete my_horse_ico32; - delete my_horse_ico16; - delete my_horse_ico; - delete my_smile_xbm; - delete my_square; - delete my_anti; + delete [] my_horse_ani; } void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) @@ -446,78 +817,141 @@ 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( _T("Loaded image"), 30, 10 ); + if (my_square.Ok()) + dc.DrawBitmap( my_square, 30, 30 ); - dc.DrawText( "Drawn directly", 150, 10 ); + dc.DrawText( _T("Drawn directly"), 150, 10 ); dc.SetBrush( wxBrush( wxT("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 ); + if (my_anti.Ok()) + dc.DrawBitmap( my_anti, 280, 30 ); - dc.DrawText( "PNG handler", 30, 135 ); - if (my_horse_png && my_horse_png->Ok()) + dc.DrawText( _T("PNG handler"), 30, 135 ); + if (my_horse_png.Ok()) { - dc.DrawBitmap( *my_horse_png, 30, 150 ); + 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 ); + wxBitmap sub( my_horse_png.GetSubBitmap(rect) ); + dc.DrawText( _T("GetSubBitmap()"), 280, 175 ); + dc.DrawBitmap( sub, 280, 195 ); } - dc.DrawText( "JPEG handler", 30, 365 ); - if (my_horse_jpeg && my_horse_jpeg->Ok()) - dc.DrawBitmap( *my_horse_jpeg, 30, 380 ); + dc.DrawText( _T("JPEG handler"), 30, 365 ); + if (my_horse_jpeg.Ok()) + dc.DrawBitmap( my_horse_jpeg, 30, 380 ); + + dc.DrawText( _T("Green rotated to red"), 280, 365 ); + if (colorized_horse_jpeg.Ok()) + dc.DrawBitmap( colorized_horse_jpeg, 280, 380 ); + + dc.DrawText( _T("CMYK JPEG image"), 530, 365 ); + if (my_cmyk_jpeg.Ok()) + dc.DrawBitmap( my_cmyk_jpeg, 530, 380 ); - dc.DrawText( "GIF handler", 30, 595 ); - if (my_horse_gif && my_horse_gif->Ok()) - dc.DrawBitmap( *my_horse_gif, 30, 610 ); + dc.DrawText( _T("GIF handler"), 30, 595 ); + if (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( _T("PCX handler"), 30, 825 ); + if (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( _T("BMP handler"), 30, 1055 ); + if (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( _T("BMP read from memory"), 280, 1055 ); + if (my_horse_bmp2.Ok()) + dc.DrawBitmap( my_horse_bmp2, 280, 1070 ); - dc.DrawText( "TIFF handler", 30, 1515 ); - if (my_horse_tiff && my_horse_tiff->Ok()) - dc.DrawBitmap( *my_horse_tiff, 30, 1530 ); + dc.DrawText( _T("PNM handler"), 30, 1285 ); + if (my_horse_pnm.Ok()) + dc.DrawBitmap( my_horse_pnm, 30, 1300 ); - dc.DrawText( "XPM handler", 30, 1745 ); - if (my_horse_xpm && my_horse_xpm->Ok()) - dc.DrawBitmap( *my_horse_xpm, 30, 1760 ); + dc.DrawText( _T("PNM handler (ascii grey)"), 280, 1285 ); + if (my_horse_asciigrey_pnm.Ok()) + dc.DrawBitmap( my_horse_asciigrey_pnm, 280, 1300 ); + dc.DrawText( _T("PNM handler (raw grey)"), 530, 1285 ); + if (my_horse_rawgrey_pnm.Ok()) + dc.DrawBitmap( my_horse_rawgrey_pnm, 530, 1300 ); - if (my_smile_xbm && my_smile_xbm->Ok()) + dc.DrawText( _T("TIFF handler"), 30, 1515 ); + if (my_horse_tiff.Ok()) + dc.DrawBitmap( my_horse_tiff, 30, 1530 ); + + dc.DrawText( _T("TGA handler"), 30, 1745 ); + if (my_horse_tga.Ok()) + dc.DrawBitmap( my_horse_tga, 30, 1760 ); + + dc.DrawText( _T("XPM handler"), 30, 1975 ); + if (my_horse_xpm.Ok()) + dc.DrawBitmap( my_horse_xpm, 30, 2000 ); + + // toucans { - dc.DrawText( "XBM bitmap", 30, 1975 ); - dc.DrawText( "(green on red)", 30, 1990 ); - dc.SetTextForeground( wxT("GREEN") ); - dc.SetTextBackground( wxT("RED") ); - dc.DrawBitmap( *my_smile_xbm, 30, 2010 ); - - dc.SetTextForeground( wxT("BLACK") ); - dc.DrawText( "After wxImage conversion", 150, 1975 ); - dc.DrawText( "(red on white)", 150, 1990 ); + int x = 750, y = 10, yy = 170; + + dc.DrawText(wxT("Original toucan"), x+50, y); + dc.DrawBitmap(my_toucan, x, y+15, true); + y += yy; + dc.DrawText(wxT("Flipped horizontally"), x+50, y); + dc.DrawBitmap(my_toucan_flipped_horiz, x, y+15, true); + y += yy; + dc.DrawText(wxT("Flipped vertically"), x+50, y); + dc.DrawBitmap(my_toucan_flipped_vert, x, y+15, true); + y += yy; + dc.DrawText(wxT("Flipped both h&v"), x+50, y); + dc.DrawBitmap(my_toucan_flipped_both, x, y+15, true); + + y += yy; + dc.DrawText(wxT("In greyscale"), x+50, y); + dc.DrawBitmap(my_toucan_grey, x, y+15, true); + + y += yy; + dc.DrawText(wxT("Toucan's head"), x+50, y); + dc.DrawBitmap(my_toucan_head, x, y+15, true); + + y += yy; + dc.DrawText(wxT("Scaled with normal quality"), x+50, y); + dc.DrawBitmap(my_toucan_scaled_normal, x, y+15, true); + + y += yy; + dc.DrawText(wxT("Scaled with high quality"), x+50, y); + dc.DrawBitmap(my_toucan_scaled_high, x, y+15, true); + + y += yy; + dc.DrawText(wxT("Blured"), x+50, y); + dc.DrawBitmap(my_toucan_blur, x, y+15, true); + } + + if (my_smile_xbm.Ok()) + { + int x = 300, y = 1800; + + dc.DrawText( _T("XBM bitmap"), x, y ); + dc.DrawText( _T("(green on red)"), x, y + 15 ); + dc.SetTextForeground( _T("GREEN") ); + dc.SetTextBackground( _T("RED") ); + dc.DrawBitmap( my_smile_xbm, x, y + 30 ); + + dc.SetTextForeground( *wxBLACK ); + dc.DrawText( _T("After wxImage conversion"), x + 120, y ); + dc.DrawText( _T("(red on white)"), x + 120, y + 15 ); dc.SetTextForeground( wxT("RED") ); - wxImage i = my_smile_xbm->ConvertToImage(); + wxImage i = my_smile_xbm.ConvertToImage(); 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, 2010, TRUE ); - dc.SetTextForeground( wxT("BLACK") ); + dc.DrawBitmap( wxBitmap(i), x + 120, y + 30, true ); + dc.SetTextForeground( *wxBLACK ); } @@ -528,7 +962,10 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) memdc.SetBrush( *wxWHITE_BRUSH ); memdc.DrawRectangle( 0,0,60,50 ); memdc.SetTextForeground( *wxBLACK ); - memdc.DrawText( "Hi!", 5, 5 ); +#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 ); @@ -537,15 +974,17 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) if (mono.Ok()) { - dc.DrawText( "Mono bitmap", 30, 2095 ); - dc.DrawText( "(red on green)", 30, 2110 ); + int x = 300, y = 1900; + + dc.DrawText( _T("Mono bitmap"), x, y ); + dc.DrawText( _T("(red on green)"), x, y + 15 ); dc.SetTextForeground( wxT("RED") ); dc.SetTextBackground( wxT("GREEN") ); - dc.DrawBitmap( mono, 30, 2130 ); + dc.DrawBitmap( mono, x, y + 30 ); - dc.SetTextForeground( wxT("BLACK") ); - dc.DrawText( "After wxImage conversion", 150, 2095 ); - dc.DrawText( "(red on white)", 150, 2110 ); + dc.SetTextForeground( *wxBLACK ); + dc.DrawText( _T("After wxImage conversion"), x + 120, y ); + dc.DrawText( _T("(red on white)"), x + 120, y + 15 ); dc.SetTextForeground( wxT("RED") ); wxImage i = mono.ConvertToImage(); i.SetMaskColour( 255,255,255 ); @@ -553,42 +992,78 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) wxRED_PEN->GetColour().Red(), wxRED_PEN->GetColour().Green(), wxRED_PEN->GetColour().Blue() ); - dc.DrawBitmap( i.ConvertToBitmap(), 150, 2130, TRUE ); - dc.SetTextForeground( wxT("BLACK") ); + dc.DrawBitmap( wxBitmap(i), x + 120, y + 30, true ); + dc.SetTextForeground( *wxBLACK ); } - dc.DrawText("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("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( "ICO handler (1st image)", 30, 2290 ); - if (my_horse_ico32 && my_horse_ico32->Ok()) - dc.DrawBitmap( *my_horse_ico32, 30, 2330, TRUE ); + dc.DrawText( _T("ICO handler (1st image)"), 30, 2290 ); + if (my_horse_ico32.Ok()) + dc.DrawBitmap( my_horse_ico32, 30, 2330, true ); - dc.DrawText( "ICO handler (2nd image)", 230, 2290 ); - if (my_horse_ico16 && my_horse_ico16->Ok()) - dc.DrawBitmap( *my_horse_ico16, 230, 2330, TRUE ); - - dc.DrawText( "ICO handler (best image)", 430, 2290 ); - if (my_horse_ico && my_horse_ico->Ok()) - dc.DrawBitmap( *my_horse_ico, 430, 2330, TRUE ); + dc.DrawText( _T("ICO handler (2nd image)"), 230, 2290 ); + if (my_horse_ico16.Ok()) + dc.DrawBitmap( my_horse_ico16, 230, 2330, true ); - dc.DrawText( "CUR handler", 30, 2390 ); - if (my_horse_cur && my_horse_cur->Ok()) - { - dc.DrawBitmap( *my_horse_cur, 30, 2420, TRUE ); + dc.DrawText( _T("ICO handler (best image)"), 430, 2290 ); + if (my_horse_ico.Ok()) + dc.DrawBitmap( my_horse_ico, 430, 2330, true ); + + dc.DrawText( _T("CUR handler"), 30, 2390 ); + if (my_horse_cur.Ok()) + { + 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); + } + + dc.DrawText( _T("ANI handler"), 230, 2390 ); + for ( int 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 ); } + } } void MyCanvas::CreateAntiAliasedBitmap() @@ -603,12 +1078,12 @@ void MyCanvas::CreateAntiAliasedBitmap() dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL) ); dc.SetTextForeground( wxT("RED") ); - dc.DrawText( "This is anti-aliased Text.", 20, 20 ); - dc.DrawText( "And a Rectangle.", 20, 60 ); + dc.DrawText( _T("This is anti-aliased Text."), 20, 5 ); + dc.DrawText( _T("And a Rectangle."), 20, 45 ); dc.SetBrush( *wxRED_BRUSH ); dc.SetPen( *wxTRANSPARENT_PEN ); - dc.DrawRoundedRectangle( 20, 100, 200, 180, 20 ); + dc.DrawRoundedRectangle( 20, 85, 200, 180, 20 ); wxImage original= bitmap.ConvertToImage(); wxImage anti( 150, 150 ); @@ -635,122 +1110,254 @@ void MyCanvas::CreateAntiAliasedBitmap() 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.ConvertToBitmap() ); + my_anti = wxBitmap(anti); } // MyFrame -const int ID_QUIT = 108; -const int ID_ABOUT = 109; -const int ID_NEW = 110; +enum +{ + ID_QUIT = wxID_EXIT, + ID_ABOUT = wxID_ABOUT, + ID_NEW = 100, + ID_INFO, + ID_SHOWRAW, + ID_SHOWTHUMBNAIL +}; IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame ) -BEGIN_EVENT_TABLE(MyFrame,wxFrame) +BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU (ID_ABOUT, MyFrame::OnAbout) EVT_MENU (ID_QUIT, MyFrame::OnQuit) - EVT_MENU (ID_NEW, MyFrame::OnNewFrame) + EVT_MENU (ID_NEW, MyFrame::OnNewFrame) + EVT_MENU (ID_INFO, MyFrame::OnImageInfo) + EVT_MENU (ID_SHOWTHUMBNAIL, MyFrame::OnThumbnail) +#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, "wxImage sample", - wxPoint(20,20), wxSize(470,360) ) + : wxFrame( (wxFrame *)NULL, wxID_ANY, _T("wxImage sample"), + wxPoint(20, 20), wxSize(950, 700) ) { - wxMenu *file_menu = new wxMenu(); - file_menu->Append( ID_NEW, "&Show image..."); - file_menu->AppendSeparator(); - file_menu->Append( ID_ABOUT, "&About..."); - file_menu->AppendSeparator(); - file_menu->Append( ID_QUIT, "E&xit"); - wxMenuBar *menu_bar = new wxMenuBar(); - menu_bar->Append(file_menu, "&File"); + + wxMenu *menuImage = new wxMenu; + menuImage->Append( ID_NEW, _T("&Show any image...\tCtrl-O")); + menuImage->Append( ID_INFO, _T("Show image &information...\tCtrl-I")); +#ifdef wxHAVE_RAW_BITMAP + menuImage->AppendSeparator(); + menuImage->Append( ID_SHOWRAW, _T("Test &raw bitmap...\tCtrl-R")); +#endif + menuImage->AppendSeparator(); + menuImage->Append( ID_SHOWTHUMBNAIL, _T("Test &thumbnail...\tCtrl-T"), + "Test scaling the image during load (try with JPEG)"); + 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 ); + // 500 width * 2750 height + m_canvas->SetScrollbars( 10, 10, 50, 275 ); } void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) ) { - Close( TRUE ); + Close( true ); } void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) ) { - (void)wxMessageBox( "wxImage demo\n" - "Robert Roebling (c) 1998,2000", - "About wxImage Demo", wxICON_INFORMATION | wxOK ); + (void)wxMessageBox( _T("wxImage demo\n") + _T("Robert Roebling (c) 1998,2000"), + _T("About wxImage Demo"), wxICON_INFORMATION | wxOK ); +} + +wxString MyFrame::LoadUserImage(wxImage& image) +{ + wxString filename; + +#if wxUSE_FILEDLG + filename = wxFileSelector(_T("Select image file")); + if ( !filename.empty() ) + { + if ( !image.LoadFile(filename) ) + { + wxLogError(_T("Couldn't load image from '%s'."), filename.c_str()); + + return wxEmptyString; + } + } +#endif // wxUSE_FILEDLG + + return filename; } void MyFrame::OnNewFrame( wxCommandEvent &WXUNUSED(event) ) { - wxString filename = wxFileSelector(_T("Select image file")); - if ( !filename ) - return; + wxImage image; + wxString filename = LoadUserImage(image); + if ( !filename.empty() ) + (new MyImageFrame(this, filename, wxBitmap(image)))->Show(); +} +void MyFrame::OnImageInfo( wxCommandEvent &WXUNUSED(event) ) +{ wxImage image; - if ( !image.LoadFile(filename) ) + if ( !LoadUserImage(image).empty() ) { - wxLogError(_T("Couldn't load image from '%s'."), filename.c_str()); + // TODO: show more information about the file + wxString info = wxString::Format("Image size: %dx%d", + image.GetWidth(), + image.GetHeight()); + + int xres = image.GetOptionInt(wxIMAGE_OPTION_RESOLUTIONX), + yres = image.GetOptionInt(wxIMAGE_OPTION_RESOLUTIONY); + if ( xres || yres ) + { + info += wxString::Format("\nResolution: %dx%d", xres, yres); + switch ( image.GetOptionInt(wxIMAGE_OPTION_RESOLUTIONUNIT) ) + { + default: + wxFAIL_MSG( "unknown image resolution units" ); + // fall through - return; + case wxIMAGE_RESOLUTION_NONE: + info += " in default units"; + break; + + case wxIMAGE_RESOLUTION_INCHES: + info += " in"; + break; + + case wxIMAGE_RESOLUTION_CM: + info += " cm"; + break; + } + } + + wxLogMessage("%s", info); } +} - (new MyImageFrame(this, image.ConvertToBitmap()))->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, _T("Clipboard"), dobjBmp.GetBitmap()))->Show(); + } + wxTheClipboard->Close(); +} + +#endif // wxUSE_CLIPBOARD + //----------------------------------------------------------------------------- // MyApp //----------------------------------------------------------------------------- bool MyApp::OnInit() { -#if wxUSE_LIBPNG - wxImage::AddHandler( new wxPNGHandler ); -#endif + if ( !wxApp::OnInit() ) + return false; -#if wxUSE_LIBJPEG - wxImage::AddHandler( new wxJPEGHandler ); -#endif + wxInitAllImageHandlers(); -#if wxUSE_LIBTIFF - wxImage::AddHandler( new wxTIFFHandler ); -#endif + wxFrame *frame = new MyFrame(); + frame->Show( true ); -#if wxUSE_GIF - wxImage::AddHandler( new wxGIFHandler ); -#endif + return true; +} -#if wxUSE_PCX - wxImage::AddHandler( new wxPCXHandler ); -#endif +void MyFrame::OnThumbnail( wxCommandEvent &WXUNUSED(event) ) +{ +#if wxUSE_FILEDLG + wxString filename = wxFileSelector(_T("Select image file")); + if ( filename.empty() ) + return; -#if wxUSE_PNM - wxImage::AddHandler( new wxPNMHandler ); -#endif + static const int THUMBNAIL_WIDTH = 320; + static const int THUMBNAIL_HEIGHT = 240; -#if wxUSE_XPM - wxImage::AddHandler( new wxXPMHandler ); -#endif + wxImage image; + image.SetOption(wxIMAGE_OPTION_MAX_WIDTH, THUMBNAIL_WIDTH); + image.SetOption(wxIMAGE_OPTION_MAX_HEIGHT, THUMBNAIL_HEIGHT); -#if wxUSE_ICO_CUR - wxImage::AddHandler( new wxICOHandler ); - wxImage::AddHandler( new wxCURHandler ); -#endif + wxStopWatch sw; + if ( !image.LoadFile(filename) ) + { + wxLogError(_T("Couldn't load image from '%s'."), filename.c_str()); + return; + } - wxFrame *frame = new MyFrame(); - frame->Show( TRUE ); + const long loadTime = sw.Time(); - return TRUE; + MyImageFrame * const + frame = new MyImageFrame(this, filename, wxBitmap(image)); + frame->Show(); + wxLogStatus(frame, "Loaded \"%s\" in %ldms", filename, loadTime); +#else + wxLogError( _T("Couldn't create file selector dialog") ); + return; +#endif // wxUSE_FILEDLG }