// ----------------------------------------------------------------------------
// 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
// ----------------------------------------------------------------------------
// 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() )
{
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);
}
// ----------------------------------------------------------------------------
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));
// 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 );
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() );
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
{
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 );
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;
}
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);
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
// 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));
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)
{
r.Offset(0, TEXT_HEIGHT);
dc.GradientFillLinear(r, *wxWHITE, *wxBLUE, wxUP);
+ wxRect gfr = wxRect(r);
// RHS: concentric
r = wxRect(200, 10, 50, 50);
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)
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 );
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);
str.Printf( wxT("Current mouse position: %d,%d"), (int)x, (int)y );
m_owner->SetStatusText( str );
}
-
+
if ( m_rubberBand )
{
int x,y, xx, yy ;
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 ;
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);
+ }
}
}
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"));
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 );
case Colour_Background:
{
wxColour col = SelectColour();
- if ( col.Ok() )
+ if ( col.IsOk() )
{
m_backgroundBrush.SetColour(col);
}
projects / wxWidgets.git / blobdiff