X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/84e0e5265dc876c4a6f541211ab2a80d36704201..c1b293bb8df110ae772cd99fde09e5724730653a:/samples/drawing/drawing.cpp diff --git a/samples/drawing/drawing.cpp b/samples/drawing/drawing.cpp index 5069eb5938..7d9060710b 100644 --- a/samples/drawing/drawing.cpp +++ b/samples/drawing/drawing.cpp @@ -45,8 +45,8 @@ // ---------------------------------------------------------------------------- // the application icon -#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__) - #include "mondrian.xpm" +#if !defined(__WXMSW__) && !defined(__WXPM__) + #include "../sample.xpm" #endif // ---------------------------------------------------------------------------- @@ -345,11 +345,10 @@ bool MyApp::OnInit() // Create the main application window MyFrame *frame = new MyFrame(wxT("Drawing sample"), - wxPoint(50, 50), wxSize(550, 340)); + wxDefaultPosition, wxSize(550, 840)); - // Show it and tell the application that it's our main window + // Show it frame->Show(true); - SetTopWindow(frame); if ( !LoadImages() ) { @@ -366,21 +365,13 @@ bool MyApp::OnInit() void MyApp::DeleteBitmaps() { - delete gs_bmpNoMask; - delete gs_bmpWithColMask; - delete gs_bmpMask; - delete gs_bmpWithMask; - delete gs_bmp4; - delete gs_bmp4_mono; - delete gs_bmp36; - - gs_bmpNoMask = NULL; - gs_bmpWithColMask = NULL; - gs_bmpMask = NULL; - gs_bmpWithMask = NULL; - gs_bmp4 = NULL; - gs_bmp4_mono = NULL; - gs_bmp36 = NULL; + wxDELETE(gs_bmpNoMask); + wxDELETE(gs_bmpWithColMask); + wxDELETE(gs_bmpMask); + wxDELETE(gs_bmpWithMask); + wxDELETE(gs_bmp4); + wxDELETE(gs_bmp4_mono); + wxDELETE(gs_bmp36); } // ---------------------------------------------------------------------------- @@ -428,7 +419,22 @@ void MyCanvas::DrawTestBrushes(wxDC& dc) y += HEIGHT; dc.SetBrush(wxBrush(*wxRED, wxCROSSDIAG_HATCH)); dc.DrawRectangle(x, y, WIDTH, HEIGHT); - dc.DrawText(wxT("Hatched red"), x + 10, y + 10); + dc.DrawText(wxT("Diagonally hatched red"), x + 10, y + 10); + + y += HEIGHT; + dc.SetBrush(wxBrush(*wxBLUE, wxCROSS_HATCH)); + dc.DrawRectangle(x, y, WIDTH, HEIGHT); + dc.DrawText(wxT("Cross hatched blue"), x + 10, y + 10); + + y += HEIGHT; + dc.SetBrush(wxBrush(*wxCYAN, wxVERTICAL_HATCH)); + dc.DrawRectangle(x, y, WIDTH, HEIGHT); + dc.DrawText(wxT("Vertically hatched cyan"), x + 10, y + 10); + + y += HEIGHT; + dc.SetBrush(wxBrush(*wxBLACK, wxHORIZONTAL_HATCH)); + dc.DrawRectangle(x, y, WIDTH, HEIGHT); + dc.DrawText(wxT("Horizontally hatched black"), x + 10, y + 10); y += HEIGHT; dc.SetBrush(wxBrush(*gs_bmpMask)); @@ -574,7 +580,7 @@ void MyCanvas::DrawDefault(wxDC& dc) // rectangle above) //dc.SetBrush( *wxTRANSPARENT_BRUSH ); - if (m_smile_bmp.Ok()) + if (m_smile_bmp.IsOk()) dc.DrawBitmap(m_smile_bmp, x + rectSize - 20, rectSize - 10, true); dc.SetBrush( *wxBLACK_BRUSH ); @@ -772,7 +778,7 @@ void MyCanvas::DrawText(wxDC& dc) wxCoord height; wxCoord descent; dc.GetTextExtent( wxT("This is Swiss 18pt text."), &length, &height, &descent ); - text.Printf( wxT("Dimensions are length %ld, height %ld, descent %ld"), length, height, descent ); + text.Printf( wxT("Dimensions are length %d, height %d, descent %d"), length, height, descent ); dc.DrawText( text, 110, 80 ); text.Printf( wxT("CharHeight() returns: %d"), dc.GetCharHeight() ); @@ -797,6 +803,9 @@ void MyCanvas::DrawText(wxDC& dc) y += height; dc.DrawRectangle( 110, y, 100, height ); dc.DrawText( wxT("Another visible text"), 110, y ); + + y += height; + dc.DrawText("And\nmore\ntext on\nmultiple\nlines", 110, y); } static const struct @@ -955,7 +964,7 @@ void MyCanvas::DrawGraphics(wxGraphicsContext* gc) { wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); gc->SetFont(font,*wxBLACK); - + // make a path that contains a circle and some lines, centered at 0,0 wxGraphicsPath path = gc->CreatePath() ; path.AddCircle( 0, 0, BASE2 ); @@ -965,14 +974,14 @@ void MyCanvas::DrawGraphics(wxGraphicsContext* gc) path.AddLineToPoint(BASE2, 0); path.CloseSubpath(); path.AddRectangle(-BASE4, -BASE4/2, BASE2, BASE4); - + // Now use that path to demonstrate various capbilites of the grpahics context - gc->PushState(); // save current translation/scale/other state + gc->PushState(); // save current translation/scale/other state gc->Translate(60, 75); // reposition the context origin gc->SetPen(wxPen("navy", 1)); gc->SetBrush(wxBrush("pink")); - + for( int i = 0 ; i < 3 ; ++i ) { wxString label; @@ -1005,11 +1014,11 @@ void MyCanvas::DrawGraphics(wxGraphicsContext* gc) } gc->Translate(2*BASE, 0); } - + gc->PopState(); // restore saved state gc->PushState(); // save it again gc->Translate(60, 200); // offset to the lower part of the window - + gc->DrawText("Scale", 0, -BASE2); gc->Translate(0, 20); @@ -1017,14 +1026,14 @@ void MyCanvas::DrawGraphics(wxGraphicsContext* gc) for( int i = 0 ; i < 8 ; ++i ) { gc->Scale(1.08, 1.08); // increase scale by 8% - gc->Translate(5,5); + gc->Translate(5,5); gc->DrawPath(path); } gc->PopState(); // restore saved state gc->PushState(); // save it again - gc->Translate(400, 200); - + gc->Translate(400, 200); + gc->DrawText("Rotate", 0, -BASE2); // Move the origin over to the next location @@ -1034,16 +1043,16 @@ void MyCanvas::DrawGraphics(wxGraphicsContext* gc) // and changing colors as we go for ( int angle = 0 ; angle < 360 ; angle += 30 ) { - gc->PushState(); // save this new current state so we can + gc->PushState(); // save this new current state so we can // pop back to it at the end of the loop wxImage::RGBValue val = wxImage::HSVtoRGB(wxImage::HSVValue(float(angle)/360, 1, 1)); gc->SetBrush(wxBrush(wxColour(val.red, val.green, val.blue, 64))); gc->SetPen(wxPen(wxColour(val.red, val.green, val.blue, 128))); - + // use translate to artfully reposition each drawn path gc->Translate(1.5 * BASE2 * cos(DegToRad(angle)), 1.5 * BASE2 * sin(DegToRad(angle))); - + // use Rotate to rotate the path gc->Rotate(DegToRad(angle)); @@ -1052,8 +1061,15 @@ void MyCanvas::DrawGraphics(wxGraphicsContext* gc) gc->PopState(); } gc->PopState(); + + gc->PushState(); + gc->Translate(60, 400); + gc->DrawText("Scaled smiley inside a square", 0, 0); + gc->DrawRectangle(BASE2, BASE2, 100, 100); + gc->DrawBitmap(m_smile_bmp, BASE2, BASE2, 100, 100); + gc->PopState(); } -#endif +#endif // wxUSE_GRAPHICS_CONTEXT void MyCanvas::DrawCircles(wxDC& dc) { @@ -1231,6 +1247,7 @@ void MyCanvas::DrawGradients(wxDC& dc) r.Offset(0, TEXT_HEIGHT); dc.GradientFillLinear(r, *wxWHITE, *wxBLUE, wxUP); + wxRect gfr = wxRect(r); // RHS: concentric r = wxRect(200, 10, 50, 50); @@ -1283,6 +1300,127 @@ void MyCanvas::DrawGradients(wxDC& dc) dc.DrawRectangle(r4); r4.Deflate(1); dc.GradientFillLinear(r4, wxColour(0,0,0), wxColour(0,255,0), wxWEST); + +#if wxUSE_GRAPHICS_CONTEXT + if (m_useContext) + { + wxGCDC &gdc = (wxGCDC&)dc; + wxGraphicsContext *gc = gdc.GetGraphicsContext(); + wxGraphicsPath pth; + wxGraphicsGradientStops stops; + + gfr.Offset(0, gfr.height + 10); + dc.DrawText(wxT("Linear Gradient with Stops"), gfr.x, gfr.y); + gfr.Offset(0, TEXT_HEIGHT); + + stops = wxGraphicsGradientStops(wxColour(255,0,0), wxColour(0,0,255)); + stops.Add(wxColour(255,255,0), 0.33f); + stops.Add(wxColour(0,255,0), 0.67f); + + gc->SetBrush(gc->CreateLinearGradientBrush(gfr.x, gfr.y, + gfr.x + gfr.width, gfr.y + gfr.height, + stops)); + pth = gc->CreatePath(); + pth.MoveToPoint(gfr.x,gfr.y); + pth.AddLineToPoint(gfr.x + gfr.width,gfr.y); + pth.AddLineToPoint(gfr.x + gfr.width,gfr.y+gfr.height); + pth.AddLineToPoint(gfr.x,gfr.y+gfr.height); + pth.CloseSubpath(); + gc->FillPath(pth); + + gfr.Offset(0, gfr.height + 10); + dc.DrawText(wxT("Radial Gradient with Stops"), gfr.x, gfr.y); + gfr.Offset(0, TEXT_HEIGHT); + + gc->SetBrush(gc->CreateRadialGradientBrush(gfr.x + gfr.width / 2, + gfr.y + gfr.height / 2, + gfr.x + gfr.width / 2, + gfr.y + gfr.height / 2, + gfr.width / 2, + stops)); + pth = gc->CreatePath(); + pth.MoveToPoint(gfr.x,gfr.y); + pth.AddLineToPoint(gfr.x + gfr.width,gfr.y); + pth.AddLineToPoint(gfr.x + gfr.width,gfr.y+gfr.height); + pth.AddLineToPoint(gfr.x,gfr.y+gfr.height); + pth.CloseSubpath(); + gc->FillPath(pth); + + gfr.Offset(0, gfr.height + 10); + dc.DrawText(wxT("Linear Gradient with Stops and Gaps"), gfr.x, gfr.y); + gfr.Offset(0, TEXT_HEIGHT); + + stops = wxGraphicsGradientStops(wxColour(255,0,0), wxColour(0,0,255)); + stops.Add(wxColour(255,255,0), 0.33f); + stops.Add(wxTransparentColour, 0.33f); + stops.Add(wxTransparentColour, 0.67f); + stops.Add(wxColour(0,255,0), 0.67f); + + gc->SetBrush(gc->CreateLinearGradientBrush(gfr.x, gfr.y + gfr.height, + gfr.x + gfr.width, gfr.y, + stops)); + pth = gc->CreatePath(); + pth.MoveToPoint(gfr.x,gfr.y); + pth.AddLineToPoint(gfr.x + gfr.width,gfr.y); + pth.AddLineToPoint(gfr.x + gfr.width,gfr.y+gfr.height); + pth.AddLineToPoint(gfr.x,gfr.y+gfr.height); + pth.CloseSubpath(); + gc->FillPath(pth); + + gfr.Offset(0, gfr.height + 10); + dc.DrawText(wxT("Radial Gradient with Stops and Gaps"), gfr.x, gfr.y); + gfr.Offset(0, TEXT_HEIGHT); + + gc->SetBrush(gc->CreateRadialGradientBrush(gfr.x + gfr.width / 2, + gfr.y + gfr.height / 2, + gfr.x + gfr.width / 2, + gfr.y + gfr.height / 2, + gfr.width / 2, + stops)); + pth = gc->CreatePath(); + pth.MoveToPoint(gfr.x,gfr.y); + pth.AddLineToPoint(gfr.x + gfr.width,gfr.y); + pth.AddLineToPoint(gfr.x + gfr.width,gfr.y+gfr.height); + pth.AddLineToPoint(gfr.x,gfr.y+gfr.height); + pth.CloseSubpath(); + gc->FillPath(pth); + + gfr.Offset(0, gfr.height + 10); + dc.DrawText(wxT("Gradients with Stops and Transparency"), gfr.x, gfr.y); + gfr.Offset(0, TEXT_HEIGHT); + + stops = wxGraphicsGradientStops(wxColour(255,0,0), wxTransparentColour); + stops.Add(wxColour(255,0,0), 0.33f); + stops.Add(wxTransparentColour, 0.33f); + stops.Add(wxTransparentColour, 0.67f); + stops.Add(wxColour(0,0,255), 0.67f); + stops.Add(wxColour(0,0,255), 1.0f); + + pth = gc->CreatePath(); + pth.MoveToPoint(gfr.x,gfr.y); + pth.AddLineToPoint(gfr.x + gfr.width,gfr.y); + pth.AddLineToPoint(gfr.x + gfr.width,gfr.y+gfr.height); + pth.AddLineToPoint(gfr.x,gfr.y+gfr.height); + pth.CloseSubpath(); + + gc->SetBrush(gc->CreateRadialGradientBrush(gfr.x + gfr.width / 2, + gfr.y + gfr.height / 2, + gfr.x + gfr.width / 2, + gfr.y + gfr.height / 2, + gfr.width / 2, + stops)); + gc->FillPath(pth); + + stops = wxGraphicsGradientStops(wxColour(255,0,0, 128), wxColour(0,0,255, 128)); + stops.Add(wxColour(255,255,0,128), 0.33f); + stops.Add(wxColour(0,255,0,128), 0.67f); + + gc->SetBrush(gc->CreateLinearGradientBrush(gfr.x, gfr.y, + gfr.x + gfr.width, gfr.y, + stops)); + gc->FillPath(pth); + } +#endif // wxUSE_GRAPHICS_CONTEXT } void MyCanvas::DrawRegions(wxDC& dc) @@ -1330,7 +1468,7 @@ void MyCanvas::DrawRegionsHelper(wxDC& dc, wxCoord x, bool firstTime) dc.SetBrush( *wxGREY_BRUSH ); dc.DrawRectangle( x, y, 310, 310 ); - if (m_smile_bmp.Ok()) + if (m_smile_bmp.IsOk()) { dc.DrawBitmap( m_smile_bmp, x + 150, y + 150, true ); dc.DrawBitmap( m_smile_bmp, x + 130, y + 10, true ); @@ -1365,15 +1503,15 @@ void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event)) m_owner->PrepareDC(dc); dc.SetBackgroundMode( m_owner->m_backgroundMode ); - if ( m_owner->m_backgroundBrush.Ok() ) + if ( m_owner->m_backgroundBrush.IsOk() ) dc.SetBackground( m_owner->m_backgroundBrush ); - if ( m_owner->m_colourForeground.Ok() ) + if ( m_owner->m_colourForeground.IsOk() ) dc.SetTextForeground( m_owner->m_colourForeground ); - if ( m_owner->m_colourBackground.Ok() ) + if ( m_owner->m_colourBackground.IsOk() ) dc.SetTextBackground( m_owner->m_colourBackground ); if ( m_owner->m_textureBackground) { - if ( ! m_owner->m_backgroundBrush.Ok() ) { + if ( ! m_owner->m_backgroundBrush.IsOk() ) { wxColour clr(0,128,0); wxBrush b(clr, wxSOLID); dc.SetBackground(b); @@ -1474,7 +1612,7 @@ void MyCanvas::OnMouseMove(wxMouseEvent &event) str.Printf( wxT("Current mouse position: %d,%d"), (int)x, (int)y ); m_owner->SetStatusText( str ); } - + if ( m_rubberBand ) { int x,y, xx, yy ; @@ -1504,8 +1642,8 @@ void MyCanvas::OnMouseMove(wxMouseEvent &event) void MyCanvas::OnMouseDown(wxMouseEvent &event) { - int x,y,xx,yy ; - event.GetPosition(&x,&y); + int x,y,xx,yy ; + event.GetPosition(&x,&y); CalcUnscrolledPosition( x, y, &xx, &yy ); m_anchorpoint = wxPoint( xx , yy ) ; m_currentpoint = m_anchorpoint ; @@ -1527,15 +1665,15 @@ void MyCanvas::OnMouseUp(wxMouseEvent &event) m_overlay.Reset(); m_rubberBand = false; - int x,y,xx,yy ; - event.GetPosition(&x,&y); - CalcUnscrolledPosition( x, y, &xx, &yy ); - - wxString str; - str.Printf( wxT("Rectangle selection from %d,%d to %d,%d"), - m_anchorpoint.x, m_anchorpoint.y , (int)xx, (int)yy ); - wxMessageBox( str , wxT("Rubber-Banding") ); + wxPoint endpoint = CalcUnscrolledPosition(event.GetPosition()); + // Don't pop up the message box if nothing was actually selected. + if ( endpoint != m_anchorpoint ) + { + wxLogMessage("Selected rectangle from (%d, %d) to (%d, %d)", + m_anchorpoint.x, m_anchorpoint.y, + endpoint.x, endpoint.y); + } } } @@ -1565,7 +1703,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE) { // set the frame icon - SetIcon(wxICON(mondrian)); + SetIcon(wxICON(sample)); wxMenu *menuFile = new wxMenu; menuFile->Append(File_ShowDefault, wxT("&Default screen\tF1")); @@ -1658,8 +1796,8 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) m_xAxisReversed = m_yAxisReversed = false; m_backgroundMode = wxSOLID; - m_colourForeground = *wxRED; - m_colourBackground = *wxBLUE; + m_colourForeground = *wxBLACK; + m_colourBackground = *wxLIGHT_GREY; m_textureBackground = false; m_canvas = new MyCanvas( this ); @@ -1778,7 +1916,7 @@ void MyFrame::OnOption(wxCommandEvent& event) case Colour_Background: { wxColour col = SelectColour(); - if ( col.Ok() ) + if ( col.IsOk() ) { m_backgroundBrush.SetColour(col); }