Show_Default,
Show_Text,
Show_Lines,
+ Show_Brushes,
Show_Polygons,
Show_Mask,
Show_Ops,
void Show(ScreenToShow show) { m_show = show; Refresh(); }
protected:
- void DrawTestPoly( int x, int y, wxDC &dc ,int transparent );
void DrawTestLines( int x, int y, int width, wxDC &dc );
+ void DrawTestPoly(wxDC& dc);
+ void DrawTestBrushes(wxDC& dc);
void DrawText(wxDC& dc);
void DrawImages(wxDC& dc);
void DrawWithLogicalOps(wxDC& dc);
File_ShowDefault = MenuShow_First,
File_ShowText,
File_ShowLines,
+ File_ShowBrushes,
File_ShowPolygons,
File_ShowMask,
File_ShowOps,
if ( !LoadImages() )
{
- wxLogError("Can't load one of the bitmap files needed for this sample "
- "from the current or parent directory, please copy them "
- "there.");
+ wxLogError(wxT("Can't load one of the bitmap files needed ")
+ wxT("for this sample from the current or parent ")
+ wxT("directory, please copy them there."));
// stop here
DeleteBitmaps();
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;
}
// ----------------------------------------------------------------------------
m_std_icon = wxTheApp->GetStdIcon(wxICON_INFORMATION);
}
-// Draw a polygon and an overlapping rectangle
-// If transparent is 1, the fill pattern is made transparent.
-// If transparent is 2, the fill pattern is made transparent but inversed
-// If is transparent is 0 the text for and background color will be used to represent/map
-// the colors of the monochrome bitmap pixels to the fillpattern
-//
-// I abused the the menu items for setting so called back and fore ground color
-// just to show how the those colors do influence the fillpatterns just play
-// with those, and with the code variations are endless using other logical
-// functions.
-
-void MyCanvas::DrawTestPoly( int x, int y,wxDC &dc,int transparent )
+void MyCanvas::DrawTestBrushes(wxDC& dc)
{
-// wxBrush* brush4 = new wxBrush(*gs_bmp4);
- wxBrush* brush4 = new wxBrush(*wxBLACK,wxFDIAGONAL_HATCH);
- wxBrush* brush4_mono = new wxBrush(*gs_bmp4_mono);
- wxBrush* brush36 = new wxBrush(*gs_bmp36);
-
- wxPoint todraw[5];
- todraw[0].x=(long)x+100;
- todraw[0].y=(long)y+100;
- todraw[1].x=(long)x+300;
- todraw[1].y=(long)y+100;
- todraw[2].x=(long)x+300;
- todraw[2].y=(long)y+300;
- todraw[3].x=(long)x+150;
- todraw[3].y=(long)y+350;
- todraw[4].x=(long)x+100;
- todraw[4].y=(long)y+300;
-
- wxPoint todraw2[5];
- todraw2[0].x=100;
- todraw2[0].y=100;
- todraw2[1].x=300;
- todraw2[1].y=100;
- todraw2[2].x=300;
- todraw2[2].y=300;
- todraw2[3].x=150;
- todraw2[3].y=350;
- todraw2[4].x=100;
- todraw2[4].y=300;
-
- switch (transparent)
- {
- case 0:
- {
- dc.SetLogicalFunction(wxCOPY);
-
- dc.SetPen( wxPen( "black", 4, wxSOLID) );
- dc.SetBrush( *brush4 );
- dc.DrawPolygon(5,todraw,0,0,wxWINDING_RULE);
-
- dc.SetPen( wxPen( "red", 4, wxSOLID) );
- dc.SetBrush( *brush36 );
- dc.SetTextForeground(*wxCYAN);
- dc.SetTextBackground(m_owner->m_colourBackground);
- dc.DrawRectangle( x+10, y+10, 200, 200 );
-
- dc.SetPen( wxPen( "green", 4, wxSOLID) );
- dc.SetBrush( *brush4_mono );
- dc.SetTextForeground(*wxCYAN);
- dc.SetTextBackground(m_owner->m_colourBackground);
- dc.DrawRectangle( x+50, y+50, 200, 200 );
-
- dc.DrawCircle( x+400, y+50, 130 );
-
- dc.SetBrush(wxNullBrush);
- dc.SetPen(wxNullPen);
- break;
- }
- case 1: //now with transparent fillpatterns
- {
-
- wxBitmap* bmpBlit = new wxBitmap(600,400);
- wxMemoryDC* memDC= new wxMemoryDC();
- // wxBrush _clearbrush(*wxGREEN,wxSOLID);
- wxBrush _clearbrush(*wxBLACK,wxSOLID);
- memDC->SelectObject(*bmpBlit);
- memDC->BeginDrawing();
- memDC->SetBackground(_clearbrush);
- memDC->Clear();
- memDC->SetBackground(wxNullBrush);
-
- memDC->SetPen( wxPen( "black", 4, wxSOLID) );
- memDC->SetBrush( wxNullBrush);
- memDC->SetBrush( *brush4 );
- memDC->SetTextForeground(*wxBLACK); // 0s --> 0x000000 (black)
- memDC->SetTextBackground(*wxWHITE); // 1s --> 0xFFFFFF (white)
- memDC->SetLogicalFunction(wxAND_INVERT);
-
- // BLACK OUT the opaque pixels and leave the rest as is
- memDC->DrawPolygon(5,todraw2,0,0,wxWINDING_RULE);
-
- // Set background and foreground colors for fill pattern
- //the previous blacked out pixels are now merged with the layer color
- //while the non blacked out pixels stay as they are.
- memDC->SetTextForeground(*wxBLACK); // 0s --> 0x000000 (black)
-
- //now define what will be the color of the fillpattern parts that are not transparent
- // memDC->SetTextBackground(*wxBLUE);
- memDC->SetTextBackground(m_owner->m_colourForeground);
- memDC->SetLogicalFunction(wxOR);
-
-
- //don't understand how but the outline is also depending on logicalfunction
- memDC->SetPen( wxPen( "red", 4, wxSOLID) );
- memDC->DrawPolygon(5,todraw2,0,0,wxWINDING_RULE);
-
- memDC->SetLogicalFunction(wxCOPY);
-
- memDC->SetPen( wxPen( "black", 4, wxSOLID) );
- memDC->SetBrush( wxNullBrush);
- memDC->SetBrush( *brush36 );
- memDC->SetTextForeground(*wxBLACK); // 0s --> 0x000000 (black)
- memDC->SetTextBackground(*wxWHITE); // 1s --> 0xFFFFFF (white)
- memDC->SetLogicalFunction(wxAND_INVERT);
-
- memDC->DrawRectangle( 10, 10, 200, 200 );
-
- // Set background and foreground colors for fill pattern
- //the previous blacked out pixels are now merged with the layer color
- //while the non blacked out pixels stay as they are.
- memDC->SetTextForeground(*wxBLACK); // 0s --> 0x000000 (black)
- //now define what will be the color of the fillpattern parts that are not transparent
- // memDC->SetTextBackground(*wxRED);
- memDC->SetTextBackground(m_owner->m_colourBackground);
- memDC->SetLogicalFunction(wxOR);
-
- //don't understand how but the outline is also depending on logicalfunction
- memDC->SetPen( wxPen( "yellow", 4, wxSOLID) );
- memDC->DrawRectangle( 10, 10, 200, 200 );
-
- memDC->SetBrush(wxNullBrush);
- memDC->SetPen(wxNullPen);
-
- memDC->EndDrawing();
- dc.Blit(x,y,600,400,memDC,0,0,wxCOPY);
- delete bmpBlit;
- delete memDC;
- break;
- }
- case 2: //now with transparent inversed fillpatterns
- {
- wxBitmap* bmpBlit = new wxBitmap(600,400);
- wxMemoryDC* memDC= new wxMemoryDC();
- wxBrush _clearbrush(*wxWHITE,wxSOLID);
- memDC->SelectObject(*bmpBlit);
- memDC->BeginDrawing();
- memDC->SetBackground(_clearbrush);
- memDC->Clear();
- memDC->SetBackground(wxNullBrush);
-
- memDC->SetPen( wxPen( "black", 4, wxSOLID) );
- memDC->SetBrush( *brush4 );
- memDC->SetTextBackground(*wxBLACK); // 0s --> 0x000000 (black)
- memDC->SetTextForeground(*wxWHITE); // 1s --> 0xFFFFFF (white)
- memDC->SetLogicalFunction(wxAND_INVERT);
-
- // BLACK OUT the opaque pixels and leave the rest as is
- memDC->DrawPolygon(5,todraw2,0,0,wxWINDING_RULE);
-
- // Set background and foreground colors for fill pattern
- //the previous blacked out pixels are now merged with the layer color
- //while the non blacked out pixels stay as they are.
- memDC->SetTextBackground(*wxBLACK); // 0s --> 0x000000 (black)
-
- //now define what will be the color of the fillpattern parts that are not transparent
- memDC->SetTextForeground(m_owner->m_colourForeground);
- memDC->SetLogicalFunction(wxOR);
-
-
- //don't understand how but the outline is also depending on logicalfunction
- memDC->SetPen( wxPen( "red", 4, wxSOLID) );
- memDC->DrawPolygon(5,todraw2,0,0,wxWINDING_RULE);
-
- memDC->SetLogicalFunction(wxCOPY);
-
- memDC->SetPen( wxPen( "black", 4, wxSOLID) );
- memDC->SetBrush( *brush36 );
- memDC->SetTextBackground(*wxBLACK); // 0s --> 0x000000 (black)
- memDC->SetTextForeground(*wxWHITE); // 1s --> 0xFFFFFF (white)
- memDC->SetLogicalFunction(wxAND_INVERT);
-
- memDC->DrawRectangle( 10,10, 200, 200 );
-
- // Set background and foreground colors for fill pattern
- //the previous blacked out pixels are now merged with the layer color
- //while the non blacked out pixels stay as they are.
- memDC->SetTextBackground(*wxBLACK); // 0s --> 0x000000 (black)
- //now define what will be the color of the fillpattern parts that are not transparent
- memDC->SetTextForeground(m_owner->m_colourBackground);
- memDC->SetLogicalFunction(wxOR);
-
- //don't understand how but the outline is also depending on logicalfunction
- memDC->SetPen( wxPen( "yellow", 4, wxSOLID) );
- memDC->DrawRectangle( 10, 10, 200, 200 );
-
- memDC->SetBrush(wxNullBrush);
- memDC->SetPen(wxNullPen);
- dc.Blit(x,y,600,400,memDC,0,0,wxCOPY);
- delete bmpBlit;
- delete memDC;
- }
- }
+ static const wxCoord WIDTH = 200;
+ static const wxCoord HEIGHT = 80;
+
+ wxCoord x = 10,
+ y = 10;
+
+ dc.SetBrush(wxBrush(*wxGREEN, wxSOLID));
+ dc.DrawRectangle(x, y, WIDTH, HEIGHT);
+ dc.DrawText("Solid green", x + 10, y + 10);
+
+ y += HEIGHT;
+ dc.SetBrush(wxBrush(*wxRED, wxCROSSDIAG_HATCH));
+ dc.DrawRectangle(x, y, WIDTH, HEIGHT);
+ dc.DrawText("Hatched red", x + 10, y + 10);
+
+ y += HEIGHT;
+ dc.SetBrush(wxBrush(*gs_bmpMask));
+ dc.DrawRectangle(x, y, WIDTH, HEIGHT);
+ dc.DrawText("Stipple mono", x + 10, y + 10);
+
+ y += HEIGHT;
+ dc.SetBrush(wxBrush(*gs_bmpNoMask));
+ dc.DrawRectangle(x, y, WIDTH, HEIGHT);
+ dc.DrawText("Stipple colour", x + 10, y + 10);
+}
- delete brush4;
- delete brush4_mono;
- delete brush36;
+void MyCanvas::DrawTestPoly(wxDC& dc)
+{
+ wxBrush brushHatch(*wxRED, wxFDIAGONAL_HATCH);
+ dc.SetBrush(brushHatch);
+
+ wxPoint star[5];
+ star[0] = wxPoint(100, 60);
+ star[1] = wxPoint(60, 150);
+ star[2] = wxPoint(160, 100);
+ star[3] = wxPoint(40, 100);
+ star[4] = wxPoint(140, 150);
+
+ dc.DrawText("You should see two (irregular) stars below, the left one "
+ "hatched", 10, 10);
+ dc.DrawText("except for the central region and the right "
+ "one entirely hatched", 10, 30);
+
+ dc.DrawPolygon(WXSIZEOF(star), star);
+ dc.DrawPolygon(WXSIZEOF(star), star, 160, 0, wxWINDING_RULE);
}
void MyCanvas::DrawTestLines( int x, int y, int width, wxDC &dc )
{
- dc.SetPen( wxPen( "black", width, wxSOLID) );
+ dc.SetPen( wxPen( wxT("black"), width, wxSOLID) );
dc.SetBrush( *wxRED_BRUSH );
- dc.DrawText(wxString::Format("Testing lines of width %d", width), x + 10, y - 10);
+ dc.DrawText(wxString::Format(wxT("Testing lines of width %d"), width), x + 10, y - 10);
dc.DrawRectangle( x+10, y+10, 100, 190 );
dc.DrawText("Solid/dot/short dash/long dash/dot dash", x + 150, y + 10);
- dc.SetPen( wxPen( "black", width, wxSOLID) );
+ dc.SetPen( wxPen( wxT("black"), width, wxSOLID) );
dc.DrawLine( x+20, y+20, 100, y+20 );
- dc.SetPen( wxPen( "black", width, wxDOT) );
+ dc.SetPen( wxPen( wxT("black"), width, wxDOT) );
dc.DrawLine( x+20, y+30, 100, y+30 );
- dc.SetPen( wxPen( "black", width, wxSHORT_DASH) );
+ dc.SetPen( wxPen( wxT("black"), width, wxSHORT_DASH) );
dc.DrawLine( x+20, y+40, 100, y+40 );
- dc.SetPen( wxPen( "black", width, wxLONG_DASH) );
+ dc.SetPen( wxPen( wxT("black"), width, wxLONG_DASH) );
dc.DrawLine( x+20, y+50, 100, y+50 );
- dc.SetPen( wxPen( "black", width, wxDOT_DASH) );
+ dc.SetPen( wxPen( wxT("black"), width, wxDOT_DASH) );
dc.DrawLine( x+20, y+60, 100, y+60 );
dc.DrawText("Misc hatches", x + 150, y + 70);
- dc.SetPen( wxPen( "black", width, wxBDIAGONAL_HATCH) );
+ dc.SetPen( wxPen( wxT("black"), width, wxBDIAGONAL_HATCH) );
dc.DrawLine( x+20, y+70, 100, y+70 );
- dc.SetPen( wxPen( "black", width, wxCROSSDIAG_HATCH) );
+ dc.SetPen( wxPen( wxT("black"), width, wxCROSSDIAG_HATCH) );
dc.DrawLine( x+20, y+80, 100, y+80 );
- dc.SetPen( wxPen( "black", width, wxFDIAGONAL_HATCH) );
+ dc.SetPen( wxPen( wxT("black"), width, wxFDIAGONAL_HATCH) );
dc.DrawLine( x+20, y+90, 100, y+90 );
- dc.SetPen( wxPen( "black", width, wxCROSS_HATCH) );
+ dc.SetPen( wxPen( wxT("black"), width, wxCROSS_HATCH) );
dc.DrawLine( x+20, y+100, 100, y+100 );
- dc.SetPen( wxPen( "black", width, wxHORIZONTAL_HATCH) );
+ dc.SetPen( wxPen( wxT("black"), width, wxHORIZONTAL_HATCH) );
dc.DrawLine( x+20, y+110, 100, y+110 );
- dc.SetPen( wxPen( "black", width, wxVERTICAL_HATCH) );
+ dc.SetPen( wxPen( wxT("black"), width, wxVERTICAL_HATCH) );
dc.DrawLine( x+20, y+120, 100, y+120 );
dc.DrawText("User dash", x + 150, y + 140);
- wxPen ud( "black", width, wxUSER_DASH );
+ wxPen ud( wxT("black"), width, wxUSER_DASH );
wxDash dash1[1];
dash1[0] = 0;
ud.SetDashes( 1, dash1 );
{
// mark the origin
dc.DrawCircle(0, 0, 10);
-#if !(defined __WXGTK__) && !(defined __WXMOTIF__)
+#if !(defined __WXGTK__) && !(defined __WXMOTIF__) && !(defined __WXMGL__)
// not implemented in wxGTK or wxMOTIF :-(
dc.FloodFill(0, 0, wxColour(255, 0, 0));
#endif //
dc.DrawText( "This is text", 110, 10 );
dc.DrawRotatedText( "That is text", 20, 10, -45 );
- dc.SetFont( *wxNORMAL_FONT );
+ // use wxSWISS_FONT and not wxNORMAL_FONT as the latter can't be rotated
+ // under Win9x (it is not TrueType)
+ dc.SetFont( *wxSWISS_FONT );
wxString text;
dc.SetBackgroundMode(wxTRANSPARENT);
for ( int n = -180; n < 180; n += 30 )
{
- text.Printf(" %d rotated text", n);
+ text.Printf(wxT(" %d rotated text"), n);
dc.DrawRotatedText(text , 400, 400, n);
}
long height;
long descent;
dc.GetTextExtent( "This is Swiss 18pt text.", &length, &height, &descent );
- text.Printf( "Dimensions are length %ld, height %ld, descent %ld", length, height, descent );
+ text.Printf( wxT("Dimensions are length %ld, height %ld, descent %ld"), length, height, descent );
dc.DrawText( text, 110, 80 );
- text.Printf( "CharHeight() returns: %d", dc.GetCharHeight() );
+ text.Printf( wxT("CharHeight() returns: %d"), dc.GetCharHeight() );
dc.DrawText( text, 110, 120 );
dc.DrawRectangle( 100, 40, 4, height );
int rop;
} rasterOperations[] =
{
- { "wxAND", wxAND },
- { "wxAND_INVERT", wxAND_INVERT },
- { "wxAND_REVERSE", wxAND_REVERSE },
- { "wxCLEAR", wxCLEAR },
- { "wxCOPY", wxCOPY },
- { "wxEQUIV", wxEQUIV },
- { "wxINVERT", wxINVERT },
- { "wxNAND", wxNAND },
- { "wxNO_OP", wxNO_OP },
- { "wxOR", wxOR },
- { "wxOR_INVERT", wxOR_INVERT },
- { "wxOR_REVERSE", wxOR_REVERSE },
- { "wxSET", wxSET },
- { "wxSRC_INVERT", wxSRC_INVERT },
- { "wxXOR", wxXOR },
+ { wxT("wxAND"), wxAND },
+ { wxT("wxAND_INVERT"), wxAND_INVERT },
+ { wxT("wxAND_REVERSE"), wxAND_REVERSE },
+ { wxT("wxCLEAR"), wxCLEAR },
+ { wxT("wxCOPY"), wxCOPY },
+ { wxT("wxEQUIV"), wxEQUIV },
+ { wxT("wxINVERT"), wxINVERT },
+ { wxT("wxNAND"), wxNAND },
+ { wxT("wxNO_OP"), wxNO_OP },
+ { wxT("wxOR"), wxOR },
+ { wxT("wxOR_INVERT"), wxOR_INVERT },
+ { wxT("wxOR_REVERSE"), wxOR_REVERSE },
+ { wxT("wxSET"), wxSET },
+ { wxT("wxSRC_INVERT"), wxSRC_INVERT },
+ { wxT("wxXOR"), wxXOR },
};
void MyCanvas::DrawImages(wxDC& dc)
DrawTestLines( 0, 760, 6, dc );
break;
+ case Show_Brushes:
+ DrawTestBrushes(dc);
+ break;
+
case Show_Polygons:
- DrawTestPoly( 0, 100, dc, 0 );
-/*
- DrawTestPoly( 33, 500, dc, 1 );
- DrawTestPoly( 43, 1000, dc, 2 );
-*/
+ DrawTestPoly(dc);
break;
case Show_Mask:
case Show_Ops:
DrawWithLogicalOps(dc);
break;
-
- default:
- {
- dc.SetPen( *wxBLACK_PEN );
- dc.DrawLine( 0,0,100,100 );
- }
-
}
}
long x = dc.DeviceToLogicalX( pos.x );
long y = dc.DeviceToLogicalY( pos.y );
wxString str;
- str.Printf( "Current mouse position: %d,%d", (int)x, (int)y );
+ str.Printf( wxT("Current mouse position: %d,%d"), (int)x, (int)y );
m_owner->SetStatusText( str );
}
menuFile->Append(File_ShowDefault, "&Default screen\tF1");
menuFile->Append(File_ShowText, "&Text screen\tF2");
menuFile->Append(File_ShowLines, "&Lines screen\tF3");
- menuFile->Append(File_ShowPolygons, "&Polygons screen\tF4");
- menuFile->Append(File_ShowMask, "wx&Mask screen\tF5");
- menuFile->Append(File_ShowOps, "&ROP screen\tF6");
- menuFile->Append(File_ShowRegions, "Re&gions screen\tF7");
- menuFile->Append(File_ShowCircles, "&Circles screen\tF8");
+ menuFile->Append(File_ShowBrushes, "&Brushes screen\tF4");
+ menuFile->Append(File_ShowPolygons, "&Polygons screen\tF5");
+ menuFile->Append(File_ShowMask, "&Mask screen\tF6");
+ menuFile->Append(File_ShowOps, "&ROP screen\tF7");
+ menuFile->Append(File_ShowRegions, "Re&gions screen\tF8");
+ menuFile->Append(File_ShowCircles, "&Circles screen\tF9");
menuFile->AppendSeparator();
menuFile->Append(File_About, "&About...\tCtrl-A", "Show about dialog");
menuFile->AppendSeparator();
wxString msg;
msg.Printf( wxT("This is the about dialog of the drawing sample.\n")
wxT("This sample tests various primitive drawing functions\n")
- wxT("without any tests to prevent flicker.\n")
+ wxT("(without any attempts to prevent flicker).\n")
wxT("Copyright (c) Robert Roebling 1999")
);
projects / wxWidgets.git / blobdiff