#include "wx/colordlg.h"
#include "wx/image.h"
+#include "wx/artprov.h"
// ----------------------------------------------------------------------------
// ressources
// ----------------------------------------------------------------------------
// the application icon
-#if defined(__WXGTK__) || defined(__WXMOTIF__)
+#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)
#include "mondrian.xpm"
#endif
Show_Default,
Show_Text,
Show_Lines,
+ Show_Brushes,
Show_Polygons,
Show_Mask,
- Show_Ops
+ Show_Ops,
+ Show_Regions,
+ Show_Circles
};
// ----------------------------------------------------------------------------
// global variables
// ----------------------------------------------------------------------------
-static wxBitmap gs_bmpNoMask,
- gs_bmpWithColMask,
- gs_bmpMask,
- gs_bmpWithMask,
- gs_bmp4,
- gs_bmp36;
+static wxBitmap *gs_bmpNoMask = NULL,
+ *gs_bmpWithColMask = NULL,
+ *gs_bmpMask = NULL,
+ *gs_bmpWithMask = NULL,
+ *gs_bmp4 = NULL,
+ *gs_bmp4_mono = NULL,
+ *gs_bmp36 = NULL;
// ----------------------------------------------------------------------------
// private classes
// return: if OnInit() returns false, the application terminates)
virtual bool OnInit();
+ virtual int OnExit() { DeleteBitmaps(); return 0; }
+
protected:
+ void DeleteBitmaps();
+
bool LoadImages();
};
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);
+ void DrawRegions(wxDC& dc);
+ void DrawCircles(wxDC& dc);
void DrawDefault(wxDC& dc);
+ void DrawRegionsHelper(wxDC& dc, wxCoord x, bool firstTime);
+
private:
MyFrame *m_owner;
ScreenToShow m_show;
+ wxBitmap m_smile_bmp;
+ wxIcon m_std_icon;
DECLARE_EVENT_TABLE()
};
File_ShowDefault = MenuShow_First,
File_ShowText,
File_ShowLines,
+ File_ShowBrushes,
File_ShowPolygons,
File_ShowMask,
File_ShowOps,
- MenuShow_Last = File_ShowOps,
+ File_ShowRegions,
+ File_ShowCircles,
+ MenuShow_Last = File_ShowCircles,
MenuOption_First,
LogicalOrigin_MoveUp,
LogicalOrigin_MoveLeft,
LogicalOrigin_MoveRight,
+ LogicalOrigin_Set,
+ LogicalOrigin_Restore,
Colour_TextForeground,
Colour_TextBackground,
bool MyApp::LoadImages()
{
+ gs_bmpNoMask = new wxBitmap;
+ gs_bmpWithColMask = new wxBitmap;
+ gs_bmpMask = new wxBitmap;
+ gs_bmpWithMask = new wxBitmap;
+ gs_bmp4 = new wxBitmap;
+ gs_bmp4_mono = new wxBitmap;
+ gs_bmp36 = new wxBitmap;
+
wxPathList pathList;
pathList.Add(".");
pathList.Add("..");
wxString path = pathList.FindValidPath("pat4.bmp");
if ( !path )
return FALSE;
- gs_bmp4.LoadFile(path, wxBITMAP_TYPE_BMP);
- wxMask* mask4 = new wxMask(gs_bmp4, *wxBLACK);
- gs_bmp4.SetMask(mask4);
+
+ /* 4 colour bitmap */
+ gs_bmp4->LoadFile(path, wxBITMAP_TYPE_BMP);
+ /* turn into mono-bitmap */
+ gs_bmp4_mono->LoadFile(path, wxBITMAP_TYPE_BMP);
+ wxMask* mask4 = new wxMask(*gs_bmp4_mono, *wxBLACK);
+ gs_bmp4_mono->SetMask(mask4);
path = pathList.FindValidPath("pat36.bmp");
if ( !path )
return FALSE;
- gs_bmp36.LoadFile(path, wxBITMAP_TYPE_BMP);
- wxMask* mask36 = new wxMask(gs_bmp36, *wxBLACK);
- gs_bmp36.SetMask(mask36);
+ gs_bmp36->LoadFile(path, wxBITMAP_TYPE_BMP);
+ wxMask* mask36 = new wxMask(*gs_bmp36, *wxBLACK);
+ gs_bmp36->SetMask(mask36);
path = pathList.FindValidPath("image.bmp");
if ( !path )
return FALSE;
- gs_bmpNoMask.LoadFile(path, wxBITMAP_TYPE_BMP);
- gs_bmpWithMask.LoadFile(path, wxBITMAP_TYPE_BMP);
- gs_bmpWithColMask.LoadFile(path, wxBITMAP_TYPE_BMP);
+ gs_bmpNoMask->LoadFile(path, wxBITMAP_TYPE_BMP);
+ gs_bmpWithMask->LoadFile(path, wxBITMAP_TYPE_BMP);
+ gs_bmpWithColMask->LoadFile(path, wxBITMAP_TYPE_BMP);
path = pathList.FindValidPath("mask.bmp");
if ( !path )
return FALSE;
- gs_bmpMask.LoadFile(path, wxBITMAP_TYPE_BMP);
+ gs_bmpMask->LoadFile(path, wxBITMAP_TYPE_BMP);
-// This is so wrong, it hurts.
-// gs_bmpMask.SetDepth(1);
-// wxMask *mask = new wxMask(gs_bmpMask);
+ wxMask *mask = new wxMask(*gs_bmpMask, *wxBLACK);
+ gs_bmpWithMask->SetMask(mask);
- wxMask *mask = new wxMask(gs_bmpMask, *wxBLACK);
- gs_bmpWithMask.SetMask(mask);
-
- mask = new wxMask(gs_bmpWithColMask, *wxWHITE);
- gs_bmpWithColMask.SetMask(mask);
+ mask = new wxMask(*gs_bmpWithColMask, *wxWHITE);
+ gs_bmpWithColMask->SetMask(mask);
return TRUE;
}
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();
+
return FALSE;
}
return TRUE;
}
+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;
+}
+
// ----------------------------------------------------------------------------
// MyCanvas
// ----------------------------------------------------------------------------
EVT_MOTION (MyCanvas::OnMouseMove)
END_EVENT_TABLE()
-MyCanvas::MyCanvas( MyFrame *parent ) : wxScrolledWindow( parent )
+#include "smile.xpm"
+
+MyCanvas::MyCanvas(MyFrame *parent)
+ : wxScrolledWindow(parent, -1, wxDefaultPosition, wxDefaultSize,
+ wxHSCROLL | wxVSCROLL | wxNO_FULL_REPAINT_ON_RESIZE)
{
m_owner = parent;
m_show = Show_Default;
+ m_smile_bmp = wxBitmap(smile_xpm);
+ m_std_icon = wxArtProvider::GetIcon(wxART_INFORMATION);
}
-//draw a polygon and an overlapping rectangle
-//is transparent is 1, the fill pattern are made transparent
-//is transparent is 2, the fill pattern are made transparent but inversed
-//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 miss_used 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* 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.SetPen( wxPen( "black", 4, wxSOLID) );
- dc.SetBrush( *brush4 );
- dc.SetTextForeground(*wxGREEN);
- dc.SetTextBackground(m_owner->m_colourForeground);
- dc.SetLogicalFunction(wxCOPY);
- dc.DrawPolygon(5,todraw,0,0,wxWINDING_RULE);
-
- //don't understand hwo but the outline is also depending on logicalfunction
- dc.SetPen( wxPen( "red", 4, wxSOLID) );
- dc.SetBrush( *brush36 );
- dc.SetTextForeground(*wxCYAN);
- dc.SetTextBackground(m_owner->m_colourBackground);
- dc.SetLogicalFunction(wxCOPY);
- dc.DrawRectangle( x+10, y+10, 200, 200 );
- 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 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(wxT("Testing lines of width %d"), width), x + 10, y - 10);
dc.DrawRectangle( x+10, y+10, 100, 190 );
- dc.SetPen( wxPen( "black", width, wxSOLID) );
+ dc.DrawText("Solid/dot/short dash/long dash/dot dash", x + 150, y + 10);
+ 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.SetPen( wxPen( "black", width, wxBDIAGONAL_HATCH) );
+ dc.DrawText("Misc hatches", x + 150, y + 70);
+ 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 );
- wxPen ud( "black", width, wxUSER_DASH );
+ dc.DrawText("User dash", x + 150, y + 140);
+ wxPen ud( wxT("black"), width, wxUSER_DASH );
wxDash dash1[1];
dash1[0] = 0;
ud.SetDashes( 1, dash1 );
dash1[0] = 2;
ud.SetDashes( 1, dash1 );
dc.DrawLine( x+20, y+160, 100, y+160 );
- dash1[0] = 0xFF;
+ dash1[0] = 0x7F;
ud.SetDashes( 1, dash1 );
dc.DrawLine( x+20, y+170, 100, y+170 );
}
{
// mark the origin
dc.DrawCircle(0, 0, 10);
-#if !(defined __WXGTK__) && !(defined __WXMOTIF__)
- // not implemented in wxGTK or wxMOTIF :-(
- dc.FloodFill(0, 0, wxColour(255, 0, 0));
-#endif //
- dc.DrawIcon( wxICON(mondrian), 40, 40 );
+ //flood fill using brush, starting at 1,1 and replacing whatever colour we find there
+ dc.SetBrush(wxBrush(wxColour(128,128,0), wxSOLID));
+ wxColour tmpColour ;
+ dc.GetPixel(1,1, &tmpColour);
+ dc.FloodFill(1,1, tmpColour, wxFLOOD_SURFACE);
dc.DrawCheckMark(5, 80, 15, 15);
dc.DrawCheckMark(25, 80, 30, 30);
dc.DrawCheckMark(60, 80, 60, 60);
- // this is the test for "blitting bitmap into DC damages selected brush"
- // bug
- wxIcon icon = wxTheApp->GetStdIcon(wxICON_INFORMATION);
- wxCoord rectSize = icon.GetWidth() + 10;
+ // this is the test for "blitting bitmap into DC damages selected brush" bug
+ wxCoord rectSize = m_std_icon.GetWidth() + 10;
wxCoord x = 100;
dc.SetPen(*wxTRANSPARENT_PEN);
dc.SetBrush( *wxGREEN_BRUSH );
dc.DrawRectangle(x, 10, rectSize, rectSize);
- dc.DrawBitmap(icon, x + 5, 15, TRUE);
+ dc.DrawBitmap(m_std_icon, x + 5, 15, TRUE);
x += rectSize + 10;
dc.DrawRectangle(x, 10, rectSize, rectSize);
- dc.DrawIcon(wxTheApp->GetStdIcon(wxICON_INFORMATION), x + 5, 15);
+ dc.DrawIcon(m_std_icon, x + 5, 15);
x += rectSize + 10;
dc.DrawRectangle(x, 10, rectSize, rectSize);
// test for "transparent" bitmap drawing (it intersects with the last
// rectangle above)
//dc.SetBrush( *wxTRANSPARENT_BRUSH );
- #include "../image/smile.xpm"
- wxBitmap bmp(smile_xpm);
- if (bmp.Ok())
- dc.DrawBitmap(bmp, x + rectSize - 20, rectSize - 10, TRUE);
+ if (m_smile_bmp.Ok())
+ dc.DrawBitmap(m_smile_bmp, x + rectSize - 20, rectSize - 10, TRUE);
dc.SetBrush( *wxBLACK_BRUSH );
dc.DrawRectangle( 0, 160, 1000, 300 );
// to the right
wxPen pen = *wxRED_PEN;
- pen.SetWidth(2);
memdc.SetPen(pen);
memdc.DrawLine( 10, 5,10, 5 );
memdc.DrawLine( 10,10,11,10 );
memdc.SelectObject( wxNullBitmap );
dc.DrawBitmap( bitmap, 10, 170 );
- wxImage image( bitmap );
+ wxImage image = bitmap.ConvertToImage();
image.Rescale( 60,210 );
- bitmap = image.ConvertToBitmap();
+ bitmap = wxBitmap(image);
dc.DrawBitmap( bitmap, 50, 170 );
// test the rectangle outline drawing - there should be one pixel between
dc.DrawLine(400, 170, 400, 210);
dc.DrawLine(300, 200, 410, 200);
+ // a few more tests of this kind
+ dc.SetPen(*wxRED_PEN);
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.DrawRectangle(300, 220, 1, 1);
+ dc.DrawRectangle(310, 220, 2, 2);
+ dc.DrawRectangle(320, 220, 3, 3);
+ dc.DrawRectangle(330, 220, 4, 4);
+
+ dc.SetPen(*wxTRANSPARENT_PEN);
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.DrawRectangle(300, 230, 1, 1);
+ dc.DrawRectangle(310, 230, 2, 2);
+ dc.DrawRectangle(320, 230, 3, 3);
+ dc.DrawRectangle(330, 230, 4, 4);
+
// and now for filled rect with outline
dc.SetPen(*wxRED_PEN);
dc.SetBrush( *wxWHITE_BRUSH );
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);
+ 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 );
+
+ // test the logical function effect
+ wxCoord y = 150;
+ dc.SetLogicalFunction(wxINVERT);
+ dc.DrawText( "There should be no text below", 110, 150 );
+ dc.DrawRectangle( 110, y, 100, height );
+
+ // twice drawn inverted should result in invisible
+ y += height;
+ dc.DrawText( "Invisible text", 110, y );
+ dc.DrawRectangle( 110, y, 100, height );
+ dc.DrawText( "Invisible text", 110, y );
+ dc.DrawRectangle( 110, y, 100, height );
+ dc.SetLogicalFunction(wxCOPY);
+
+ y += height;
+ dc.DrawRectangle( 110, y, 100, height );
+ dc.DrawText( "Visible text", 110, y );
}
static const struct
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)
{
dc.DrawText("original image", 0, 0);
- dc.DrawBitmap(gs_bmpNoMask, 0, 20, 0);
+ dc.DrawBitmap(*gs_bmpNoMask, 0, 20, 0);
dc.DrawText("with colour mask", 0, 100);
- dc.DrawBitmap(gs_bmpWithColMask, 0, 120, TRUE);
+ dc.DrawBitmap(*gs_bmpWithColMask, 0, 120, TRUE);
dc.DrawText("the mask image", 0, 200);
- dc.DrawBitmap(gs_bmpMask, 0, 220, 0);
+ dc.DrawBitmap(*gs_bmpMask, 0, 220, 0);
dc.DrawText("masked image", 0, 300);
- dc.DrawBitmap(gs_bmpWithMask, 0, 320, TRUE);
+ dc.DrawBitmap(*gs_bmpWithMask, 0, 320, TRUE);
- int cx = gs_bmpWithColMask.GetWidth(),
- cy = gs_bmpWithColMask.GetHeight();
+ int cx = gs_bmpWithColMask->GetWidth(),
+ cy = gs_bmpWithColMask->GetHeight();
wxMemoryDC memDC;
for ( size_t n = 0; n < WXSIZEOF(rasterOperations); n++ )
y = 20 + 100*(n/4);
dc.DrawText(rasterOperations[n].name, x, y - 20);
- memDC.SelectObject(gs_bmpWithColMask);
+ memDC.SelectObject(*gs_bmpWithColMask);
dc.Blit(x, y, cx, cy, &memDC, 0, 0, rasterOperations[n].rop, TRUE);
}
}
}
}
+void MyCanvas::DrawCircles(wxDC& dc)
+{
+ int x = 100,
+ y = 100,
+ r = 20;
+
+ dc.DrawText("Some circles", 0, y);
+ dc.DrawCircle(x, y, r);
+ dc.DrawCircle(x + 2*r, y, r);
+ dc.DrawCircle(x + 4*r, y, r);
+
+ y += 2*r;
+ dc.DrawText("And ellipses", 0, y);
+ dc.DrawEllipse(x - r, y, 2*r, r);
+ dc.DrawEllipse(x + r, y, 2*r, r);
+ dc.DrawEllipse(x + 3*r, y, 2*r, r);
+
+ y += 2*r;
+ dc.DrawText("And arcs", 0, y);
+ dc.DrawArc(x - r, y, x + r, y, x, y);
+ dc.DrawArc(x + 4*r, y, x + 2*r, y, x + 3*r, y);
+ dc.DrawArc(x + 5*r, y, x + 5*r, y, x + 6*r, y);
+
+ y += 2*r;
+ dc.DrawEllipticArc(x - r, y, 2*r, r, 0, 90);
+ dc.DrawEllipticArc(x + r, y, 2*r, r, 90, 180);
+ dc.DrawEllipticArc(x + 3*r, y, 2*r, r, 180, 270);
+ dc.DrawEllipticArc(x + 5*r, y, 2*r, r, 270, 360);
+}
+
+void MyCanvas::DrawRegions(wxDC& dc)
+{
+ dc.DrawText("You should see a red rect partly covered by a cyan one "
+ "on the left", 10, 5);
+ dc.DrawText("and 5 smileys from which 4 are partially clipped on the right",
+ 10, 5 + dc.GetCharHeight());
+ dc.DrawText("The second copy should be identical but right part of it "
+ "should be offset by 10 pixels.",
+ 10, 5 + 2*dc.GetCharHeight());
+
+ DrawRegionsHelper(dc, 10, TRUE);
+ DrawRegionsHelper(dc, 350, FALSE);
+}
+
+void MyCanvas::DrawRegionsHelper(wxDC& dc, wxCoord x, bool firstTime)
+{
+ wxCoord y = 100;
+
+ dc.DestroyClippingRegion();
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.SetPen( *wxTRANSPARENT_PEN );
+ dc.DrawRectangle( x, y, 310, 310 );
+
+ dc.SetClippingRegion( x + 10, y + 10, 100, 270 );
+
+ dc.SetBrush( *wxRED_BRUSH );
+ dc.DrawRectangle( x, y, 310, 310 );
+
+ dc.SetClippingRegion( x + 10, y + 10, 100, 100 );
+
+ dc.SetBrush( *wxCYAN_BRUSH );
+ dc.DrawRectangle( x, y, 310, 310 );
+
+ dc.DestroyClippingRegion();
+
+ wxRegion region(x + 110, y + 20, 100, 270);
+ if ( !firstTime )
+ region.Offset(10, 10);
+
+ dc.SetClippingRegion(region);
+
+ dc.SetBrush( *wxGREY_BRUSH );
+ dc.DrawRectangle( x, y, 310, 310 );
+
+ if (m_smile_bmp.Ok())
+ {
+ dc.DrawBitmap( m_smile_bmp, x + 150, y + 150, TRUE );
+ dc.DrawBitmap( m_smile_bmp, x + 130, y + 10, TRUE );
+ dc.DrawBitmap( m_smile_bmp, x + 130, y + 280, TRUE );
+ dc.DrawBitmap( m_smile_bmp, x + 100, y + 70, TRUE );
+ dc.DrawBitmap( m_smile_bmp, x + 200, y + 70, TRUE );
+ }
+}
+
void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
{
wxPaintDC dc(this);
PrepareDC(dc);
+
m_owner->PrepareDC(dc);
dc.SetBackgroundMode( m_owner->m_backgroundMode );
DrawDefault(dc);
break;
+ case Show_Circles:
+ DrawCircles(dc);
+ break;
+
+ case Show_Regions:
+ DrawRegions(dc);
+ break;
+
case Show_Text:
DrawText(dc);
break;
case Show_Lines:
DrawTestLines( 0, 100, 0, dc );
- DrawTestLines( 0, 300, 1, dc );
- DrawTestLines( 0, 500, 2, dc );
- DrawTestLines( 0, 700, 6, dc );
+ DrawTestLines( 0, 320, 1, dc );
+ DrawTestLines( 0, 540, 2, 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:
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 );
}
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
- : wxFrame((wxFrame *)NULL, -1, title, pos, size)
+ : wxFrame((wxFrame *)NULL, -1, title, pos, size,
+ wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)
{
// set the frame icon
SetIcon(wxICON(mondrian));
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_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();
menuMapMode->Append( MapMode_Metric, "&METRIC map mode" );
wxMenu *menuUserScale = new wxMenu;
- menuUserScale->Append( UserScale_StretchHoriz, "Stretch horizontally\tCtrl-H" );
- menuUserScale->Append( UserScale_ShrinkHoriz, "Shrink horizontally\tCtrl-G" );
- menuUserScale->Append( UserScale_StretchVertic, "Stretch vertically\tCtrl-V" );
- menuUserScale->Append( UserScale_ShrinkVertic, "Shrink vertically\tCtrl-W" );
+ menuUserScale->Append( UserScale_StretchHoriz, "Stretch &horizontally\tCtrl-H" );
+ menuUserScale->Append( UserScale_ShrinkHoriz, "Shrin&k horizontally\tCtrl-G" );
+ menuUserScale->Append( UserScale_StretchVertic, "Stretch &vertically\tCtrl-V" );
+ menuUserScale->Append( UserScale_ShrinkVertic, "&Shrink vertically\tCtrl-W" );
menuUserScale->AppendSeparator();
- menuUserScale->Append( UserScale_Restore, "Restore to normal\tCtrl-0" );
+ menuUserScale->Append( UserScale_Restore, "&Restore to normal\tCtrl-0" );
wxMenu *menuAxis = new wxMenu;
menuAxis->Append( AxisMirror_Horiz, "Mirror horizontally\tCtrl-M", "", TRUE );
menuLogical->Append( LogicalOrigin_MoveUp, "Move &up\tCtrl-U" );
menuLogical->Append( LogicalOrigin_MoveLeft, "Move &right\tCtrl-L" );
menuLogical->Append( LogicalOrigin_MoveRight, "Move &left\tCtrl-R" );
+ menuLogical->AppendSeparator();
+ menuLogical->Append( LogicalOrigin_Set, "Set to (&100, 100)\tShift-Ctrl-1" );
+ menuLogical->Append( LogicalOrigin_Restore, "&Restore to normal\tShift-Ctrl-0" );
wxMenu *menuColour = new wxMenu;
- menuColour->Append( Colour_TextForeground, "Text foreground..." );
- menuColour->Append( Colour_TextBackground, "Text background..." );
- menuColour->Append( Colour_Background, "Background colour..." );
- menuColour->Append( Colour_BackgroundMode, "Opaque/transparent\tCtrl-B", "", TRUE );
- menuColour->Append( Colour_TextureBackgound, "Draw textured background\tCtrl-T", "", TRUE);
+ menuColour->Append( Colour_TextForeground, "Text &foreground..." );
+ menuColour->Append( Colour_TextBackground, "Text &background..." );
+ menuColour->Append( Colour_Background, "Background &colour..." );
+ menuColour->Append( Colour_BackgroundMode, "&Opaque/transparent\tCtrl-B", "", TRUE );
+ menuColour->Append( Colour_TextureBackgound, "Draw textured back&ground\tCtrl-T", "", TRUE);
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append(menuFile, "&File");
- menuBar->Append(menuMapMode, "&MapMode");
- menuBar->Append(menuUserScale, "&UserScale");
+ menuBar->Append(menuMapMode, "&Mode");
+ menuBar->Append(menuUserScale, "&Scale");
menuBar->Append(menuAxis, "&Axis");
- menuBar->Append(menuLogical, "&LogicalOrigin");
+ menuBar->Append(menuLogical, "&Origin");
menuBar->Append(menuColour, "&Colours");
// ... and attach this menu bar to the frame
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxString msg;
- msg.Printf( _T("This is the about dialog of the drawing sample.\n")
- _T("Copyright (c) Robert Roebling 1999")
+ 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 attempts to prevent flicker).\n")
+ wxT("Copyright (c) Robert Roebling 1999")
);
wxMessageBox(msg, "About Drawing", wxOK | wxICON_INFORMATION, this);
void MyFrame::OnShow(wxCommandEvent& event)
{
- m_canvas->Show((ScreenToShow)(event.GetInt() - MenuShow_First));
+ m_canvas->Show((ScreenToShow)(event.GetId() - MenuShow_First));
}
void MyFrame::OnOption(wxCommandEvent& event)
{
- switch (event.GetInt())
+ switch (event.GetId())
{
case MapMode_Text:
m_mapMode = wxMM_TEXT;
case LogicalOrigin_MoveRight:
m_xLogicalOrigin -= 10;
break;
+ case LogicalOrigin_Set:
+ m_xLogicalOrigin =
+ m_yLogicalOrigin = -100;
+ break;
+ case LogicalOrigin_Restore:
+ m_xLogicalOrigin =
+ m_yLogicalOrigin = 0;
+ break;
case UserScale_StretchHoriz:
m_xUserScale *= 1.10;
void MyFrame::PrepareDC(wxDC& dc)
{
- dc.SetMapMode( m_mapMode );
- dc.SetUserScale( m_xUserScale, m_yUserScale );
dc.SetLogicalOrigin( m_xLogicalOrigin, m_yLogicalOrigin );
dc.SetAxisOrientation( !m_xAxisReversed, m_yAxisReversed );
+ dc.SetUserScale( m_xUserScale, m_yUserScale );
+ dc.SetMapMode( m_mapMode );
}
wxColour MyFrame::SelectColour()
projects / wxWidgets.git / blobdiff