#include "wx/overlay.h"
#include "wx/graphics.h"
#include "wx/filename.h"
+#include "wx/metafile.h"
#define TEST_CAIRO_EVERYWHERE 0
// ----------------------------------------------------------------------------
// the application icon
-#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)
- #include "mondrian.xpm"
+#ifndef wxHAS_IMAGES_IN_RESOURCES
+ #include "../sample.xpm"
#endif
// ----------------------------------------------------------------------------
#if wxUSE_GRAPHICS_CONTEXT
void OnGraphicContext(wxCommandEvent& event);
#endif
+ void OnCopy(wxCommandEvent& event);
+ void OnSave(wxCommandEvent& event);
void OnShow(wxCommandEvent &event);
void OnOption(wxCommandEvent &event);
#if wxUSE_GRAPHICS_CONTEXT
void UseGraphicContext(bool use) { m_useContext = use; Refresh(); }
#endif
+ void Draw(wxDC& dc);
protected:
enum DrawMode
#if wxUSE_GRAPHICS_CONTEXT
File_GraphicContext,
#endif
+ File_Copy,
+ File_Save,
MenuOption_First,
// 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() )
{
// still continue, the sample can be used without images too if they're
// missing for whatever reason
}
+#if wxUSE_LIBPNG
+ wxImage::AddHandler( new wxPNGHandler );
+#endif
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;
+ wxDELETE(gs_bmpNoMask);
+ wxDELETE(gs_bmpWithColMask);
+ wxDELETE(gs_bmpMask);
+ wxDELETE(gs_bmpWithMask);
+ wxDELETE(gs_bmp4);
+ wxDELETE(gs_bmp4_mono);
+ wxDELETE(gs_bmp36);
}
// ----------------------------------------------------------------------------
wxCoord x = 10,
y = 10;
- dc.SetBrush(wxBrush(*wxGREEN, wxSOLID));
+ dc.SetBrush(*wxGREEN_BRUSH);
dc.DrawRectangle(x, y, WIDTH, HEIGHT);
dc.DrawText(wxT("Solid green"), x + 10, y + 10);
y += HEIGHT;
- dc.SetBrush(wxBrush(*wxRED, wxCROSSDIAG_HATCH));
+ dc.SetBrush(wxBrush(*wxRED, wxBRUSHSTYLE_CROSSDIAG_HATCH));
+ dc.DrawRectangle(x, y, WIDTH, HEIGHT);
+ dc.DrawText(wxT("Diagonally hatched red"), x + 10, y + 10);
+
+ y += HEIGHT;
+ dc.SetBrush(wxBrush(*wxBLUE, wxBRUSHSTYLE_CROSS_HATCH));
+ dc.DrawRectangle(x, y, WIDTH, HEIGHT);
+ dc.DrawText(wxT("Cross hatched blue"), x + 10, y + 10);
+
+ y += HEIGHT;
+ dc.SetBrush(wxBrush(*wxCYAN, wxBRUSHSTYLE_VERTICAL_HATCH));
+ dc.DrawRectangle(x, y, WIDTH, HEIGHT);
+ dc.DrawText(wxT("Vertically hatched cyan"), x + 10, y + 10);
+
+ y += HEIGHT;
+ dc.SetBrush(wxBrush(*wxBLACK, wxBRUSHSTYLE_HORIZONTAL_HATCH));
dc.DrawRectangle(x, y, WIDTH, HEIGHT);
- dc.DrawText(wxT("Hatched red"), x + 10, y + 10);
+ dc.DrawText(wxT("Horizontally hatched black"), x + 10, y + 10);
y += HEIGHT;
dc.SetBrush(wxBrush(*gs_bmpMask));
void MyCanvas::DrawTestPoly(wxDC& dc)
{
- wxBrush brushHatch(*wxRED, wxFDIAGONAL_HATCH);
+ wxBrush brushHatch(*wxRED, wxBRUSHSTYLE_FDIAGONAL_HATCH);
dc.SetBrush(brushHatch);
wxPoint star[5];
void MyCanvas::DrawTestLines( int x, int y, int width, wxDC &dc )
{
- dc.SetPen( wxPen( wxT("black"), width, wxSOLID) );
+ dc.SetPen( wxPen( *wxBLACK, width ) );
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.DrawText(wxT("Solid/dot/short dash/long dash/dot dash"), x + 150, y + 10);
- dc.SetPen( wxPen( wxT("black"), width, wxSOLID) );
+ dc.SetPen( wxPen( *wxBLACK, width ) );
dc.DrawLine( x+20, y+20, 100, y+20 );
- dc.SetPen( wxPen( wxT("black"), width, wxDOT) );
+ dc.SetPen( wxPen( *wxBLACK, width, wxPENSTYLE_DOT) );
dc.DrawLine( x+20, y+30, 100, y+30 );
- dc.SetPen( wxPen( wxT("black"), width, wxSHORT_DASH) );
+ dc.SetPen( wxPen( *wxBLACK, width, wxPENSTYLE_SHORT_DASH) );
dc.DrawLine( x+20, y+40, 100, y+40 );
- dc.SetPen( wxPen( wxT("black"), width, wxLONG_DASH) );
+ dc.SetPen( wxPen( *wxBLACK, width, wxPENSTYLE_LONG_DASH) );
dc.DrawLine( x+20, y+50, 100, y+50 );
- dc.SetPen( wxPen( wxT("black"), width, wxDOT_DASH) );
+ dc.SetPen( wxPen( *wxBLACK, width, wxPENSTYLE_DOT_DASH) );
dc.DrawLine( x+20, y+60, 100, y+60 );
dc.DrawText(wxT("Misc hatches"), x + 150, y + 70);
- dc.SetPen( wxPen( wxT("black"), width, wxBDIAGONAL_HATCH) );
+ dc.SetPen( wxPen( *wxBLACK, width, wxPENSTYLE_BDIAGONAL_HATCH) );
dc.DrawLine( x+20, y+70, 100, y+70 );
- dc.SetPen( wxPen( wxT("black"), width, wxCROSSDIAG_HATCH) );
+ dc.SetPen( wxPen( *wxBLACK, width, wxPENSTYLE_CROSSDIAG_HATCH) );
dc.DrawLine( x+20, y+80, 100, y+80 );
- dc.SetPen( wxPen( wxT("black"), width, wxFDIAGONAL_HATCH) );
+ dc.SetPen( wxPen( *wxBLACK, width, wxPENSTYLE_FDIAGONAL_HATCH) );
dc.DrawLine( x+20, y+90, 100, y+90 );
- dc.SetPen( wxPen( wxT("black"), width, wxCROSS_HATCH) );
+ dc.SetPen( wxPen( *wxBLACK, width, wxPENSTYLE_CROSS_HATCH) );
dc.DrawLine( x+20, y+100, 100, y+100 );
- dc.SetPen( wxPen( wxT("black"), width, wxHORIZONTAL_HATCH) );
+ dc.SetPen( wxPen( *wxBLACK, width, wxPENSTYLE_HORIZONTAL_HATCH) );
dc.DrawLine( x+20, y+110, 100, y+110 );
- dc.SetPen( wxPen( wxT("black"), width, wxVERTICAL_HATCH) );
+ dc.SetPen( wxPen( *wxBLACK, width, wxPENSTYLE_VERTICAL_HATCH) );
dc.DrawLine( x+20, y+120, 100, y+120 );
dc.DrawText(wxT("User dash"), x + 150, y + 140);
- wxPen ud( wxT("black"), width, wxUSER_DASH );
+ wxPen ud( *wxBLACK, width, wxPENSTYLE_USER_DASH );
wxDash dash1[6];
dash1[0] = 8; // Long dash <---------+
dash1[1] = 2; // Short gap |
void MyCanvas::DrawDefault(wxDC& dc)
{
- // mark the origin
- dc.DrawCircle(0, 0, 10);
-
-#if !defined(wxMAC_USE_CORE_GRAPHICS) || !wxMAC_USE_CORE_GRAPHICS
- // GetPixel and FloodFill not supported by Mac OS X CoreGraphics
- // (FloodFill uses Blit from a non-wxMemoryDC)
- //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);
-#endif
+ // Draw circle centered at the origin, then flood fill it with a different
+ // color. Done with a wxMemoryDC because Blit (used by generic
+ // wxDoFloodFill) from a window that is being painted gives unpredictable
+ // results on wxGTK
+ {
+ wxImage img(21, 21, false);
+ img.Clear(1);
+ wxBitmap bmp(img);
+ {
+ wxMemoryDC mdc(bmp);
+ mdc.SetBrush(dc.GetBrush());
+ mdc.SetPen(dc.GetPen());
+ mdc.DrawCircle(10, 10, 10);
+ wxColour c;
+ if (mdc.GetPixel(11, 11, &c))
+ {
+ mdc.SetBrush(wxColour(128, 128, 0));
+ mdc.FloodFill(11, 11, c, wxFLOOD_SURFACE);
+ }
+ }
+ bmp.SetMask(new wxMask(bmp, wxColour(1, 1, 1)));
+ dc.DrawBitmap(bmp, -10, -10, true);
+ }
dc.DrawCheckMark(5, 80, 15, 15);
dc.DrawCheckMark(25, 80, 30, 30);
// 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 );
wxMemoryDC memdc2;
memdc2.SelectObject(bitmap2);
- wxColour clr(255, 255, 0);
- wxBrush yellowBrush(clr, wxSOLID);
- memdc2.SetBackground(yellowBrush);
+ memdc2.SetBackground(*wxYELLOW_BRUSH);
memdc2.Clear();
- wxPen yellowPen(clr, 1, wxSOLID);
-
// Now draw a white rectangle with red outline. It should
// entirely eclipse the yellow background.
memdc2.SetPen(*wxRED_PEN);
// Draw a yellow rectangle filling the bitmap
x = 600; int y = 270;
- dc.SetPen(yellowPen);
- dc.SetBrush(yellowBrush);
+ dc.SetPen(*wxYELLOW_PEN);
+ dc.SetBrush(*wxYELLOW_BRUSH);
dc.DrawRectangle(x, y, totalWidth, totalHeight);
// Now draw a white rectangle with red outline. It should
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
static const wxCoord h = 60;
// reuse the text colour here
- dc.SetPen(wxPen(m_owner->m_colourForeground, 1, wxSOLID));
+ dc.SetPen(wxPen(m_owner->m_colourForeground));
dc.SetBrush(*wxTRANSPARENT_BRUSH);
size_t n;
}
// now some filled rectangles
- dc.SetBrush(wxBrush(m_owner->m_colourForeground, wxSOLID));
+ dc.SetBrush(wxBrush(m_owner->m_colourForeground));
for ( n = 0; n < WXSIZEOF(rasterOperations); n++ )
{
#if wxUSE_GRAPHICS_CONTEXT
#ifdef __WXGTK20__
-void MyCanvas::DrawAlpha(wxDC& no_dc)
+void MyCanvas::DrawAlpha(wxDC& WXUNUSED(dummyDC))
#else
void MyCanvas::DrawAlpha(wxDC& dc)
#endif
wxDouble width = 180 ;
wxDouble radius = 30 ;
- dc.SetPen( wxPen( wxColour( 128, 0, 0, 255 ),12, wxSOLID));
- dc.SetBrush( wxBrush( wxColour( 255, 0, 0, 255),wxSOLID));
+ dc.SetPen( wxPen( wxColour( 128, 0, 0 ), 12 ));
+ dc.SetBrush(*wxRED_BRUSH);
wxRect r(margin,margin+width*0.66,width,width) ;
dc.DrawRoundedRectangle( r.x, r.y, r.width, r.width, radius ) ;
- dc.SetPen( wxPen( wxColour( 0, 0, 128, 255 ),12, wxSOLID));
- dc.SetBrush( wxBrush( wxColour( 0, 0, 255, 255),wxSOLID));
+ dc.SetPen( wxPen( wxColour( 0, 0, 128 ), 12));
+ dc.SetBrush(*wxBLUE_BRUSH);
r.Offset( width * 0.8 , - width * 0.66 ) ;
dc.DrawRoundedRectangle( r.x, r.y, r.width, r.width, radius ) ;
- dc.SetPen( wxPen( wxColour( 128, 128, 0, 255 ),12, wxSOLID));
- dc.SetBrush( wxBrush( wxColour( 192, 192, 0, 255),wxSOLID));
+ dc.SetPen( wxPen( wxColour( 128, 128, 0 ), 12));
+ dc.SetBrush( wxBrush( wxColour( 192, 192, 0)));
r.Offset( width * 0.8 , width *0.5 ) ;
{
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->SetPen(wxPen("navy"));
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)
{
letters[m][n].y = center.y + h[ letters[m][n].y ];
}
- dc.SetPen( wxPen( wxT("blue"), 1, wxDOT) );
+ dc.SetPen( wxPen( *wxBLUE, 1, wxDOT) );
dc.DrawLines(5, letters[m]);
- dc.SetPen( wxPen( wxT("black"), 4, wxSOLID) );
+ dc.SetPen( wxPen( *wxBLACK, 4) );
dc.DrawSpline(5, letters[m]);
}
r.Offset(0, TEXT_HEIGHT);
dc.GradientFillLinear(r, *wxWHITE, *wxBLUE, wxUP);
+ wxRect gfr = wxRect(r);
// RHS: concentric
r = wxRect(200, 10, 50, 50);
r3.y += 60;
wxRect r4 = r2;
r4.y += 60;
- dc.SetPen(wxPen(wxColour(255, 0, 0)));
+ dc.SetPen(*wxRED_PEN);
dc.DrawRectangle(r);
r.Deflate(1);
- dc.GradientFillLinear(r, wxColour(0,255,0), wxColour(0,0,0), wxNORTH);
+ dc.GradientFillLinear(r, *wxGREEN, *wxBLACK, wxNORTH);
dc.DrawRectangle(r2);
r2.Deflate(1);
- dc.GradientFillLinear(r2, wxColour(0,0,0), wxColour(0,255,0), wxSOUTH);
+ dc.GradientFillLinear(r2, *wxBLACK, *wxGREEN, wxSOUTH);
dc.DrawRectangle(r3);
r3.Deflate(1);
- dc.GradientFillLinear(r3, wxColour(0,255,0), wxColour(0,0,0), wxEAST);
+ dc.GradientFillLinear(r3, *wxGREEN, *wxBLACK, wxEAST);
dc.DrawRectangle(r4);
r4.Deflate(1);
- dc.GradientFillLinear(r4, wxColour(0,0,0), wxColour(0,255,0), wxWEST);
+ dc.GradientFillLinear(r4, *wxBLACK, *wxGREEN, 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(*wxRED, *wxBLUE);
+ stops.Add(wxColour(255,255,0), 0.33f);
+ stops.Add(*wxGREEN, 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(*wxRED, *wxBLUE);
+ stops.Add(wxColour(255,255,0), 0.33f);
+ stops.Add(wxTransparentColour, 0.33f);
+ stops.Add(wxTransparentColour, 0.67f);
+ stops.Add(*wxGREEN, 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(*wxRED, wxTransparentColour);
+ stops.Add(*wxRED, 0.33f);
+ stops.Add(wxTransparentColour, 0.33f);
+ stops.Add(wxTransparentColour, 0.67f);
+ stops.Add(*wxBLUE, 0.67f);
+ stops.Add(*wxBLUE, 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 );
}
}
-#if TEST_CAIRO_EVERYWHERE
-extern wxGraphicsRenderer* gCairoRenderer;
-#endif
-
void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
{
wxPaintDC pdc(this);
+ Draw(pdc);
+}
+void MyCanvas::Draw(wxDC& pdc)
+{
#if wxUSE_GRAPHICS_CONTEXT
-#if TEST_CAIRO_EVERYWHERE
wxGCDC gdc;
- gdc.SetGraphicsContext( gCairoRenderer->CreateContext( pdc ) );
+ wxGraphicsRenderer* const renderer = wxGraphicsRenderer::
+#if TEST_CAIRO_EVERYWHERE
+ GetCairoRenderer()
#else
- wxGCDC gdc( pdc ) ;
+ GetDefaultRenderer()
+#endif
+ ;
+
+ wxGraphicsContext* context;
+ if ( wxPaintDC *paintdc = wxDynamicCast(&pdc, wxPaintDC) )
+ {
+ context = renderer->CreateContext(*paintdc);
+ }
+ else if ( wxMemoryDC *memdc = wxDynamicCast(&pdc, wxMemoryDC) )
+ {
+ context = renderer->CreateContext(*memdc);
+ }
+#if wxUSE_METAFILE && defined(wxMETAFILE_IS_ENH)
+ else if ( wxMetafileDC *metadc = wxDynamicCast(&pdc, wxMetafileDC) )
+ {
+ context = renderer->CreateContext(*metadc);
+ }
#endif
+ else
+ {
+ wxFAIL_MSG( "Unknown wxDC kind" );
+ return;
+ }
+
+ gdc.SetGraphicsContext(context);
+
wxDC &dc = m_useContext ? (wxDC&) gdc : (wxDC&) pdc ;
#else
wxDC &dc = pdc ;
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() ) {
- wxColour clr(0,128,0);
- wxBrush b(clr, wxSOLID);
- dc.SetBackground(b);
+ if ( ! m_owner->m_backgroundBrush.IsOk() ) {
+ dc.SetBackground(wxBrush(wxColour(0, 128, 0)));
}
}
str.Printf( wxT("Current mouse position: %d,%d"), (int)x, (int)y );
m_owner->SetStatusText( str );
}
-
+
if ( m_rubberBand )
{
int x,y, xx, yy ;
dc.SetPen( *wxGREY_PEN );
dc.SetBrush( wxColour( 192,192,192,64 ) );
#else
- dc.SetPen( wxPen( *wxLIGHT_GREY, 2, wxSOLID ) );
+ dc.SetPen( wxPen( *wxLIGHT_GREY, 2 ) );
dc.SetBrush( *wxTRANSPARENT_BRUSH );
#endif
dc.DrawRectangle( newrect );
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);
+ }
}
}
#if wxUSE_GRAPHICS_CONTEXT
EVT_MENU (File_GraphicContext, MyFrame::OnGraphicContext)
#endif
+ EVT_MENU (File_Copy, MyFrame::OnCopy)
+ EVT_MENU (File_Save, MyFrame::OnSave)
EVT_MENU_RANGE(MenuShow_First, MenuShow_Last, MyFrame::OnShow)
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"));
#if wxUSE_GRAPHICS_CONTEXT
menuFile->Append(File_ShowAlpha, wxT("&Alpha screen\tF10"));
#endif
- menuFile->Append(File_ShowSplines, wxT("&Splines screen\tF11"));
+ menuFile->Append(File_ShowSplines, wxT("Spl&ines screen\tF11"));
menuFile->Append(File_ShowGradients, wxT("&Gradients screen\tF12"));
#if wxUSE_GRAPHICS_CONTEXT
menuFile->Append(File_ShowGraphics, wxT("&Graphics screen"));
menuFile->AppendCheckItem(File_GraphicContext, wxT("&Use GraphicContext\tCtrl-Y"), wxT("Use GraphicContext"));
#endif
menuFile->AppendSeparator();
- menuFile->Append(File_About, wxT("&About...\tCtrl-A"), wxT("Show about dialog"));
+#if wxUSE_METAFILE && defined(wxMETAFILE_IS_ENH)
+ menuFile->Append(File_Copy, wxT("Copy to clipboard"));
+#endif
+ menuFile->Append(File_Save, wxT("&Save...\tCtrl-S"), wxT("Save drawing to file"));
+ menuFile->AppendSeparator();
+ menuFile->Append(File_About, wxT("&About\tCtrl-A"), wxT("Show about dialog"));
menuFile->AppendSeparator();
menuFile->Append(File_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
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 );
}
#endif
+void MyFrame::OnCopy(wxCommandEvent& WXUNUSED(event))
+{
+#if wxUSE_METAFILE && defined(wxMETAFILE_IS_ENH)
+ wxMetafileDC dc;
+ if (!dc.IsOk())
+ return;
+ m_canvas->Draw(dc);
+ wxMetafile *mf = dc.Close();
+ if (!mf)
+ return;
+ mf->SetClipboard();
+ delete mf;
+#endif
+}
+
+void MyFrame::OnSave(wxCommandEvent& WXUNUSED(event))
+{
+ wxFileDialog dlg(this, wxT("Save as bitmap"), wxT(""), wxT(""),
+#if wxUSE_LIBPNG
+ wxT("PNG image (*.png)|*.png;*.PNG|")
+#endif
+ wxT("Bitmap image (*.bmp)|*.bmp;*.BMP"),
+ wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
+ if (dlg.ShowModal() == wxID_OK)
+ {
+ wxBitmap bmp(500, 800);
+ wxMemoryDC mdc(bmp);
+ m_canvas->Draw(mdc);
+ bmp.ConvertToImage().SaveFile(dlg.GetPath());
+ }
+}
+
void MyFrame::OnShow(wxCommandEvent& event)
{
m_canvas->ToShow(event.GetId());
case Colour_Background:
{
wxColour col = SelectColour();
- if ( col.Ok() )
+ if ( col.IsOk() )
{
m_backgroundBrush.SetColour(col);
}
projects / wxWidgets.git / blobdiff