#include "wx/colordlg.h"
#include "wx/image.h"
#include "wx/artprov.h"
-
-#define wxTEST_GRAPHICS 1
-
-#if wxTEST_GRAPHICS
+#include "wx/dcgraph.h"
+#include "wx/overlay.h"
#include "wx/graphics.h"
-#if wxUSE_GRAPHICS_CONTEXT == 0
-#undef wxTEST_GRAPHICS
-#define wxTEST_GRAPHICS 0
-#endif
-#else
-#undef wxUSE_GRAPHICS_CONTEXT
-#define wxUSE_GRAPHICS_CONTEXT 0
-#endif
-
-// ----------------------------------------------------------------------------
-// ressources
-// ----------------------------------------------------------------------------
+#include "wx/filename.h"
+#include "wx/metafile.h"
-// the application icon
-#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)
- #include "mondrian.xpm"
-#endif
+#define TEST_CAIRO_EVERYWHERE 0
// ----------------------------------------------------------------------------
-// constants
+// resources
// ----------------------------------------------------------------------------
-// what do we show on screen (there are too many shapes to put them all on
-// screen simultaneously)
-enum ScreenToShow
-{
- Show_Default,
- Show_Text,
- Show_Lines,
- Show_Brushes,
- Show_Polygons,
- Show_Mask,
- Show_Mask_Stretch,
- Show_Ops,
- Show_Regions,
- Show_Circles,
- Show_Splines,
-#if wxUSE_GRAPHICS_CONTEXT
- Show_Alpha,
+// the application icon
+#ifndef wxHAS_IMAGES_IN_RESOURCES
+ #include "../sample.xpm"
#endif
- Show_Gradient,
- Show_Max
-};
// ----------------------------------------------------------------------------
// global variables
#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);
int m_backgroundMode;
int m_textureBackground;
- int m_mapMode;
+ wxMappingMode m_mapMode;
double m_xUserScale;
double m_yUserScale;
int m_xLogicalOrigin;
void OnPaint(wxPaintEvent &event);
void OnMouseMove(wxMouseEvent &event);
+ void OnMouseDown(wxMouseEvent &event);
+ void OnMouseUp(wxMouseEvent &event);
- void ToShow(ScreenToShow show) { m_show = show; Refresh(); }
+ void ToShow(int show) { m_show = show; Refresh(); }
// set or remove the clipping region
void Clip(bool clip) { m_clip = clip; Refresh(); }
#if wxUSE_GRAPHICS_CONTEXT
void UseGraphicContext(bool use) { m_useContext = use; Refresh(); }
#endif
+ void Draw(wxDC& dc);
protected:
enum DrawMode
void DrawWithLogicalOps(wxDC& dc);
#if wxUSE_GRAPHICS_CONTEXT
void DrawAlpha(wxDC& dc);
+ void DrawGraphics(wxGraphicsContext* gc);
#endif
void DrawRegions(wxDC& dc);
void DrawCircles(wxDC& dc);
private:
MyFrame *m_owner;
- ScreenToShow m_show;
+ int m_show;
wxBitmap m_smile_bmp;
wxIcon m_std_icon;
bool m_clip;
+ wxOverlay m_overlay;
+ bool m_rubberBand;
+ wxPoint m_anchorpoint;
+ wxPoint m_currentpoint;
#if wxUSE_GRAPHICS_CONTEXT
bool m_useContext ;
#endif
File_ShowSplines,
#if wxUSE_GRAPHICS_CONTEXT
File_ShowAlpha,
+ File_ShowGraphics,
#endif
File_ShowGradients,
MenuShow_Last = File_ShowGradients,
#if wxUSE_GRAPHICS_CONTEXT
File_GraphicContext,
#endif
+ File_Copy,
+ File_Save,
MenuOption_First,
gs_bmp36 = new wxBitmap;
wxPathList pathList;
- pathList.Add(_T("."));
- pathList.Add(_T(".."));
- pathList.Add(_T("../.."));
-
- wxString path = pathList.FindValidPath(_T("pat4.bmp"));
+ // special hack for Unix in-tree sample build, don't do this in real
+ // programs, use wxStandardPaths instead
+ pathList.Add(wxFileName(argv[0]).GetPath());
+ pathList.Add(wxT("."));
+ pathList.Add(wxT(".."));
+ pathList.Add(wxT("../.."));
+
+ wxString path = pathList.FindValidPath(wxT("pat4.bmp"));
if ( !path )
return false;
wxMask* mask4 = new wxMask(*gs_bmp4_mono, *wxBLACK);
gs_bmp4_mono->SetMask(mask4);
- path = pathList.FindValidPath(_T("pat36.bmp"));
+ path = pathList.FindValidPath(wxT("pat36.bmp"));
if ( !path )
return false;
gs_bmp36->LoadFile(path, wxBITMAP_TYPE_BMP);
wxMask* mask36 = new wxMask(*gs_bmp36, *wxBLACK);
gs_bmp36->SetMask(mask36);
- path = pathList.FindValidPath(_T("image.bmp"));
+ path = pathList.FindValidPath(wxT("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);
- path = pathList.FindValidPath(_T("mask.bmp"));
+ path = pathList.FindValidPath(wxT("mask.bmp"));
if ( !path )
return false;
gs_bmpMask->LoadFile(path, wxBITMAP_TYPE_BMP);
return false;
// Create the main application window
- MyFrame *frame = new MyFrame(_T("Drawing sample"),
- wxPoint(50, 50), wxSize(550, 340));
+ MyFrame *frame = new MyFrame(wxT("Drawing sample"),
+ 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() )
{
wxT("for this sample from the current or parent ")
wxT("directory, please copy them there."));
- // stop here
- DeleteBitmaps();
-
- return false;
+ // 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
- // ok, continue
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);
}
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
EVT_PAINT (MyCanvas::OnPaint)
EVT_MOTION (MyCanvas::OnMouseMove)
+ EVT_LEFT_DOWN (MyCanvas::OnMouseDown)
+ EVT_LEFT_UP (MyCanvas::OnMouseUp)
END_EVENT_TABLE()
#include "smile.xpm"
wxHSCROLL | wxVSCROLL | wxNO_FULL_REPAINT_ON_RESIZE)
{
m_owner = parent;
- m_show = Show_Default;
+ m_show = File_ShowDefault;
m_smile_bmp = wxBitmap(smile_xpm);
m_std_icon = wxArtProvider::GetIcon(wxART_INFORMATION);
m_clip = false;
+ m_rubberBand = false;
#if wxUSE_GRAPHICS_CONTEXT
m_useContext = false;
#endif
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, wxBRUSHSTYLE_CROSSDIAG_HATCH));
dc.DrawRectangle(x, y, WIDTH, HEIGHT);
- dc.DrawText(_T("Solid green"), x + 10, y + 10);
+ dc.DrawText(wxT("Diagonally hatched red"), x + 10, y + 10);
y += HEIGHT;
- dc.SetBrush(wxBrush(*wxRED, wxCROSSDIAG_HATCH));
+ dc.SetBrush(wxBrush(*wxBLUE, wxBRUSHSTYLE_CROSS_HATCH));
dc.DrawRectangle(x, y, WIDTH, HEIGHT);
- dc.DrawText(_T("Hatched red"), x + 10, y + 10);
+ 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("Horizontally hatched black"), x + 10, y + 10);
y += HEIGHT;
dc.SetBrush(wxBrush(*gs_bmpMask));
dc.DrawRectangle(x, y, WIDTH, HEIGHT);
- dc.DrawText(_T("Stipple mono"), x + 10, y + 10);
+ dc.DrawText(wxT("Stipple mono"), x + 10, y + 10);
y += HEIGHT;
dc.SetBrush(wxBrush(*gs_bmpNoMask));
dc.DrawRectangle(x, y, WIDTH, HEIGHT);
- dc.DrawText(_T("Stipple colour"), x + 10, y + 10);
+ dc.DrawText(wxT("Stipple colour"), x + 10, y + 10);
}
void MyCanvas::DrawTestPoly(wxDC& dc)
{
- wxBrush brushHatch(*wxRED, wxFDIAGONAL_HATCH);
+ wxBrush brushHatch(*wxRED, wxBRUSHSTYLE_FDIAGONAL_HATCH);
dc.SetBrush(brushHatch);
wxPoint star[5];
star[3] = wxPoint(40, 100);
star[4] = wxPoint(140, 150);
- dc.DrawText(_T("You should see two (irregular) stars below, the left one ")
- _T("hatched"), 10, 10);
- dc.DrawText(_T("except for the central region and the right ")
- _T("one entirely hatched"), 10, 30);
- dc.DrawText(_T("The third star only has a hatched outline"), 10, 50);
+ dc.DrawText(wxT("You should see two (irregular) stars below, the left one ")
+ wxT("hatched"), 10, 10);
+ dc.DrawText(wxT("except for the central region and the right ")
+ wxT("one entirely hatched"), 10, 30);
+ dc.DrawText(wxT("The third star only has a hatched outline"), 10, 50);
dc.DrawPolygon(WXSIZEOF(star), star, 0, 30);
dc.DrawPolygon(WXSIZEOF(star), star, 160, 30, wxWINDING_RULE);
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(_T("Solid/dot/short dash/long dash/dot dash"), x + 150, y + 10);
- dc.SetPen( wxPen( wxT("black"), width, wxSOLID) );
+ dc.DrawText(wxT("Solid/dot/short dash/long dash/dot dash"), x + 150, y + 10);
+ 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(_T("Misc hatches"), x + 150, y + 70);
- dc.SetPen( wxPen( wxT("black"), width, wxBDIAGONAL_HATCH) );
+ dc.DrawText(wxT("Misc hatches"), x + 150, y + 70);
+ 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(_T("User dash"), x + 150, y + 140);
- wxPen ud( wxT("black"), width, wxUSER_DASH );
+ dc.DrawText(wxT("User dash"), x + 150, y + 140);
+ 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
{
// set underlined font for testing
dc.SetFont( wxFont(12, wxMODERN, wxNORMAL, wxNORMAL, true) );
- dc.DrawText( _T("This is text"), 110, 10 );
- dc.DrawRotatedText( _T("That is text"), 20, 10, -45 );
+ dc.DrawText( wxT("This is text"), 110, 10 );
+ dc.DrawRotatedText( wxT("That is text"), 20, 10, -45 );
// use wxSWISS_FONT and not wxNORMAL_FONT as the latter can't be rotated
// under Win9x (it is not TrueType)
dc.SetFont( wxFont( 18, wxSWISS, wxNORMAL, wxNORMAL ) );
- dc.DrawText( _T("This is Swiss 18pt text."), 110, 40 );
+ dc.DrawText( wxT("This is Swiss 18pt text."), 110, 40 );
- long length;
- long height;
- long descent;
- dc.GetTextExtent( _T("This is Swiss 18pt text."), &length, &height, &descent );
- text.Printf( wxT("Dimensions are length %ld, height %ld, descent %ld"), length, height, descent );
+ wxCoord length;
+ wxCoord height;
+ wxCoord descent;
+ dc.GetTextExtent( wxT("This is Swiss 18pt text."), &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() );
// test the logical function effect
wxCoord y = 150;
dc.SetLogicalFunction(wxINVERT);
- dc.DrawText( _T("There should be no text below"), 110, 150 );
+ // text drawing should ignore logical function
+ dc.DrawText( wxT("There should be a text below"), 110, 150 );
dc.DrawRectangle( 110, y, 100, height );
- // twice drawn inverted should result in invisible
y += height;
- dc.DrawText( _T("Invisible text"), 110, y );
+ dc.DrawText( wxT("Visible text"), 110, y );
dc.DrawRectangle( 110, y, 100, height );
- dc.DrawText( _T("Invisible text"), 110, y );
+ dc.DrawText( wxT("Visible text"), 110, y );
dc.DrawRectangle( 110, y, 100, height );
dc.SetLogicalFunction(wxCOPY);
y += height;
dc.DrawRectangle( 110, y, 100, height );
- dc.DrawText( _T("Visible text"), 110, y );
+ dc.DrawText( wxT("Another visible text"), 110, y );
+
+ y += height;
+ dc.DrawText("And\nmore\ntext on\nmultiple\nlines", 110, y);
}
static const struct
{
const wxChar *name;
- int rop;
+ wxRasterOperationMode rop;
} rasterOperations[] =
{
{ wxT("wxAND"), wxAND },
void MyCanvas::DrawImages(wxDC& dc, DrawMode mode)
{
- dc.DrawText(_T("original image"), 0, 0);
+ dc.DrawText(wxT("original image"), 0, 0);
dc.DrawBitmap(*gs_bmpNoMask, 0, 20, 0);
- dc.DrawText(_T("with colour mask"), 0, 100);
+ dc.DrawText(wxT("with colour mask"), 0, 100);
dc.DrawBitmap(*gs_bmpWithColMask, 0, 120, true);
- dc.DrawText(_T("the mask image"), 0, 200);
+ dc.DrawText(wxT("the mask image"), 0, 200);
dc.DrawBitmap(*gs_bmpMask, 0, 220, 0);
- dc.DrawText(_T("masked image"), 0, 300);
+ dc.DrawText(wxT("masked image"), 0, 300);
dc.DrawBitmap(*gs_bmpWithMask, 0, 320, true);
int cx = gs_bmpWithColMask->GetWidth(),
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 ) ;
#endif
+#if wxUSE_GRAPHICS_CONTEXT
+
+const int BASE = 80.0;
+const int BASE2 = BASE/2;
+const int BASE4 = BASE/4;
+
+static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
+
+
+// modeled along Robin Dunn's GraphicsContext.py sample
+
+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 );
+ path.MoveToPoint(0, -BASE2);
+ path.AddLineToPoint(0, BASE2);
+ path.MoveToPoint(-BASE2, 0);
+ 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->Translate(60, 75); // reposition the context origin
+
+ gc->SetPen(wxPen("navy"));
+ gc->SetBrush(wxBrush("pink"));
+
+ for( int i = 0 ; i < 3 ; ++i )
+ {
+ wxString label;
+ switch( i )
+ {
+ case 0 :
+ label = "StrokePath";
+ break;
+ case 1 :
+ label = "FillPath";
+ break;
+ case 2 :
+ label = "DrawPath";
+ break;
+ }
+ wxDouble w, h;
+ gc->GetTextExtent(label, &w, &h, NULL, NULL);
+ gc->DrawText(label, -w/2, -BASE2-h-4);
+ switch( i )
+ {
+ case 0 :
+ gc->StrokePath(path);
+ break;
+ case 1 :
+ gc->FillPath(path);
+ break;
+ case 2 :
+ gc->DrawPath(path);
+ break;
+ }
+ 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);
+
+ gc->SetBrush(wxBrush(wxColour(178, 34, 34, 128)));// 128 == half transparent
+ for( int i = 0 ; i < 8 ; ++i )
+ {
+ gc->Scale(1.08, 1.08); // increase scale by 8%
+ gc->Translate(5,5);
+ gc->DrawPath(path);
+ }
+
+ gc->PopState(); // restore saved state
+ gc->PushState(); // save it again
+ gc->Translate(400, 200);
+
+ gc->DrawText("Rotate", 0, -BASE2);
+
+ // Move the origin over to the next location
+ gc->Translate(0, 75);
+
+ // draw our path again, rotating it about the central point,
+ // and changing colors as we go
+ for ( int angle = 0 ; angle < 360 ; angle += 30 )
+ {
+ 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));
+
+ // now draw it
+ gc->DrawPath(path);
+ 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 // wxUSE_GRAPHICS_CONTEXT
+
void MyCanvas::DrawCircles(wxDC& dc)
{
int x = 100,
dc.SetPen( *wxRED_PEN );
dc.SetBrush( *wxGREEN_BRUSH );
- dc.DrawText(_T("Some circles"), 0, y);
+ dc.DrawText(wxT("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(_T("And ellipses"), 0, y);
+ dc.DrawText(wxT("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(_T("And arcs"), 0, y);
+ dc.DrawText(wxT("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);
dc.SetBrush( *wxTRANSPARENT_BRUSH );
y += 2*r;
- dc.DrawText(_T("Some circles"), 0, y);
+ dc.DrawText(wxT("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(_T("And ellipses"), 0, y);
+ dc.DrawText(wxT("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(_T("And arcs"), 0, y);
+ dc.DrawText(wxT("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);
void MyCanvas::DrawSplines(wxDC& dc)
{
#if wxUSE_SPLINES
- dc.DrawText(_T("Some splines"), 10, 5);
+ dc.DrawText(wxT("Some splines"), 10, 5);
// values are hardcoded rather than randomly generated
// so the output can be compared between native
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]);
}
#else
- dc.DrawText(_T("Splines not supported."), 10, 5);
+ dc.DrawText(wxT("Splines not supported."), 10, 5);
#endif
}
// LHS: linear
wxRect r(10, 10, 50, 50);
- dc.DrawText(_T("wxRIGHT"), r.x, r.y);
+ dc.DrawText(wxT("wxRIGHT"), r.x, r.y);
r.Offset(0, TEXT_HEIGHT);
dc.GradientFillLinear(r, *wxWHITE, *wxBLUE, wxRIGHT);
r.Offset(0, r.height + 10);
- dc.DrawText(_T("wxLEFT"), r.x, r.y);
+ dc.DrawText(wxT("wxLEFT"), r.x, r.y);
r.Offset(0, TEXT_HEIGHT);
dc.GradientFillLinear(r, *wxWHITE, *wxBLUE, wxLEFT);
r.Offset(0, r.height + 10);
- dc.DrawText(_T("wxDOWN"), r.x, r.y);
+ dc.DrawText(wxT("wxDOWN"), r.x, r.y);
r.Offset(0, TEXT_HEIGHT);
dc.GradientFillLinear(r, *wxWHITE, *wxBLUE, wxDOWN);
r.Offset(0, r.height + 10);
- dc.DrawText(_T("wxUP"), r.x, r.y);
+ dc.DrawText(wxT("wxUP"), r.x, r.y);
r.Offset(0, TEXT_HEIGHT);
dc.GradientFillLinear(r, *wxWHITE, *wxBLUE, wxUP);
+ wxRect gfr = wxRect(r);
// RHS: concentric
r = wxRect(200, 10, 50, 50);
- dc.DrawText(_T("Blue inside"), r.x, r.y);
+ dc.DrawText(wxT("Blue inside"), r.x, r.y);
r.Offset(0, TEXT_HEIGHT);
dc.GradientFillConcentric(r, *wxBLUE, *wxWHITE);
r.Offset(0, r.height + 10);
- dc.DrawText(_T("White inside"), r.x, r.y);
+ dc.DrawText(wxT("White inside"), r.x, r.y);
r.Offset(0, TEXT_HEIGHT);
dc.GradientFillConcentric(r, *wxWHITE, *wxBLUE);
r.Offset(0, r.height + 10);
- dc.DrawText(_T("Blue in top left corner"), r.x, r.y);
+ dc.DrawText(wxT("Blue in top left corner"), r.x, r.y);
r.Offset(0, TEXT_HEIGHT);
dc.GradientFillConcentric(r, *wxBLUE, *wxWHITE, wxPoint(0, 0));
r.Offset(0, r.height + 10);
- dc.DrawText(_T("Blue in bottom right corner"), r.x, r.y);
+ dc.DrawText(wxT("Blue in bottom right corner"), r.x, r.y);
r.Offset(0, TEXT_HEIGHT);
dc.GradientFillConcentric(r, *wxBLUE, *wxWHITE, wxPoint(r.width, r.height));
+
+ // check that the area filled by the gradient is exactly the interior of
+ // the rectangle
+ r.x = 350;
+ r.y = 30;
+ dc.DrawText("The interior should be filled but", r.x, r.y);
+ r.y += 15;
+ dc.DrawText(" the red border should remain visible:", r.x, r.y);
+ r.y += 15;
+
+ r.width =
+ r.height = 50;
+ wxRect r2 = r;
+ r2.x += 60;
+ wxRect r3 = r;
+ r3.y += 60;
+ wxRect r4 = r2;
+ r4.y += 60;
+ dc.SetPen(*wxRED_PEN);
+ dc.DrawRectangle(r);
+ r.Deflate(1);
+ dc.GradientFillLinear(r, *wxGREEN, *wxBLACK, wxNORTH);
+ dc.DrawRectangle(r2);
+ r2.Deflate(1);
+ dc.GradientFillLinear(r2, *wxBLACK, *wxGREEN, wxSOUTH);
+ dc.DrawRectangle(r3);
+ r3.Deflate(1);
+ dc.GradientFillLinear(r3, *wxGREEN, *wxBLACK, wxEAST);
+ dc.DrawRectangle(r4);
+ r4.Deflate(1);
+ 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.DrawText(_T("You should see a red rect partly covered by a cyan one ")
- _T("on the left"), 10, 5);
- dc.DrawText(_T("and 5 smileys from which 4 are partially clipped on the right"),
+ dc.DrawText(wxT("You should see a red rect partly covered by a cyan one ")
+ wxT("on the left"), 10, 5);
+ dc.DrawText(wxT("and 5 smileys from which 4 are partially clipped on the right"),
10, 5 + dc.GetCharHeight());
- dc.DrawText(_T("The second copy should be identical but right part of it ")
- _T("should be offset by 10 pixels."),
+ dc.DrawText(wxT("The second copy should be identical but right part of it ")
+ wxT("should be offset by 10 pixels."),
10, 5 + 2*dc.GetCharHeight());
DrawRegionsHelper(dc, 10, true);
dc.DestroyClippingRegion();
wxRegion region(x + 110, y + 20, 100, 270);
-#if !defined(__WXMOTIF__) && !defined(__WXMAC__)
+#if !defined(__WXMOTIF__)
if ( !firstTime )
region.Offset(10, 10);
#endif
- dc.SetClippingRegion(region);
+ dc.SetDeviceClippingRegion(region);
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 );
void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
{
wxPaintDC pdc(this);
+ Draw(pdc);
+}
+void MyCanvas::Draw(wxDC& pdc)
+{
#if wxUSE_GRAPHICS_CONTEXT
- wxGCDC gdc( pdc ) ;
+ wxGCDC gdc;
+ wxGraphicsRenderer* const renderer = wxGraphicsRenderer::
+#if TEST_CAIRO_EVERYWHERE
+ GetCairoRenderer()
+#else
+ 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)));
}
}
switch ( m_show )
{
- case Show_Default:
+ case File_ShowDefault:
DrawDefault(dc);
break;
- case Show_Circles:
+ case File_ShowCircles:
DrawCircles(dc);
break;
- case Show_Splines:
+ case File_ShowSplines:
DrawSplines(dc);
break;
- case Show_Regions:
+ case File_ShowRegions:
DrawRegions(dc);
break;
- case Show_Text:
+ case File_ShowText:
DrawText(dc);
break;
- case Show_Lines:
+ case File_ShowLines:
DrawTestLines( 0, 100, 0, dc );
DrawTestLines( 0, 320, 1, dc );
DrawTestLines( 0, 540, 2, dc );
DrawTestLines( 0, 760, 6, dc );
break;
- case Show_Brushes:
+ case File_ShowBrushes:
DrawTestBrushes(dc);
break;
- case Show_Polygons:
+ case File_ShowPolygons:
DrawTestPoly(dc);
break;
- case Show_Mask:
+ case File_ShowMask:
DrawImages(dc, Draw_Normal);
break;
- case Show_Mask_Stretch:
+ case File_ShowMaskStretch:
DrawImages(dc, Draw_Stretch);
break;
- case Show_Ops:
+ case File_ShowOps:
DrawWithLogicalOps(dc);
break;
#if wxUSE_GRAPHICS_CONTEXT
- case Show_Alpha:
+ case File_ShowAlpha:
DrawAlpha(dc);
break;
+ case File_ShowGraphics:
+ DrawGraphics(gdc.GetGraphicsContext());
+ break;
#endif
- case Show_Gradient:
+ case File_ShowGradients:
DrawGradients(dc);
break;
void MyCanvas::OnMouseMove(wxMouseEvent &event)
{
#if wxUSE_STATUSBAR
- wxClientDC dc(this);
- PrepareDC(dc);
- m_owner->PrepareDC(dc);
+ {
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ m_owner->PrepareDC(dc);
+
+ wxPoint pos = event.GetPosition();
+ long x = dc.DeviceToLogicalX( pos.x );
+ long y = dc.DeviceToLogicalY( pos.y );
+ wxString str;
+ str.Printf( wxT("Current mouse position: %d,%d"), (int)x, (int)y );
+ m_owner->SetStatusText( str );
+ }
- wxPoint pos = event.GetPosition();
- long x = dc.DeviceToLogicalX( pos.x );
- long y = dc.DeviceToLogicalY( pos.y );
- wxString str;
- str.Printf( wxT("Current mouse position: %d,%d"), (int)x, (int)y );
- m_owner->SetStatusText( str );
+ if ( m_rubberBand )
+ {
+ int x,y, xx, yy ;
+ event.GetPosition(&x,&y);
+ CalcUnscrolledPosition( x, y, &xx, &yy );
+ m_currentpoint = wxPoint( xx , yy ) ;
+ wxRect newrect ( m_anchorpoint , m_currentpoint ) ;
+
+ wxClientDC dc( this ) ;
+ PrepareDC( dc ) ;
+
+ wxDCOverlay overlaydc( m_overlay, &dc );
+ overlaydc.Clear();
+#ifdef __WXMAC__
+ dc.SetPen( *wxGREY_PEN );
+ dc.SetBrush( wxColour( 192,192,192,64 ) );
+#else
+ dc.SetPen( wxPen( *wxLIGHT_GREY, 2 ) );
+ dc.SetBrush( *wxTRANSPARENT_BRUSH );
+#endif
+ dc.DrawRectangle( newrect );
+ }
#else
wxUnusedVar(event);
#endif // wxUSE_STATUSBAR
}
+void MyCanvas::OnMouseDown(wxMouseEvent &event)
+{
+ int x,y,xx,yy ;
+ event.GetPosition(&x,&y);
+ CalcUnscrolledPosition( x, y, &xx, &yy );
+ m_anchorpoint = wxPoint( xx , yy ) ;
+ m_currentpoint = m_anchorpoint ;
+ m_rubberBand = true ;
+ CaptureMouse() ;
+}
+
+void MyCanvas::OnMouseUp(wxMouseEvent &event)
+{
+ if ( m_rubberBand )
+ {
+ ReleaseMouse();
+ {
+ wxClientDC dc( this );
+ PrepareDC( dc );
+ wxDCOverlay overlaydc( m_overlay, &dc );
+ overlaydc.Clear();
+ }
+ m_overlay.Reset();
+ m_rubberBand = false;
+
+ 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);
+ }
+ }
+}
+
// ----------------------------------------------------------------------------
// MyFrame
// ----------------------------------------------------------------------------
#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, _T("&Default screen\tF1"));
- menuFile->Append(File_ShowText, _T("&Text screen\tF2"));
- menuFile->Append(File_ShowLines, _T("&Lines screen\tF3"));
- menuFile->Append(File_ShowBrushes, _T("&Brushes screen\tF4"));
- menuFile->Append(File_ShowPolygons, _T("&Polygons screen\tF5"));
- menuFile->Append(File_ShowMask, _T("&Mask screen\tF6"));
- menuFile->Append(File_ShowMaskStretch, _T("1/&2 scaled mask\tShift-F6"));
- menuFile->Append(File_ShowOps, _T("&ROP screen\tF7"));
- menuFile->Append(File_ShowRegions, _T("Re&gions screen\tF8"));
- menuFile->Append(File_ShowCircles, _T("&Circles screen\tF9"));
+ menuFile->Append(File_ShowDefault, wxT("&Default screen\tF1"));
+ menuFile->Append(File_ShowText, wxT("&Text screen\tF2"));
+ menuFile->Append(File_ShowLines, wxT("&Lines screen\tF3"));
+ menuFile->Append(File_ShowBrushes, wxT("&Brushes screen\tF4"));
+ menuFile->Append(File_ShowPolygons, wxT("&Polygons screen\tF5"));
+ menuFile->Append(File_ShowMask, wxT("&Mask screen\tF6"));
+ menuFile->Append(File_ShowMaskStretch, wxT("1/&2 scaled mask\tShift-F6"));
+ menuFile->Append(File_ShowOps, wxT("&Raster operations screen\tF7"));
+ menuFile->Append(File_ShowRegions, wxT("Re&gions screen\tF8"));
+ menuFile->Append(File_ShowCircles, wxT("&Circles screen\tF9"));
+#if wxUSE_GRAPHICS_CONTEXT
+ menuFile->Append(File_ShowAlpha, wxT("&Alpha screen\tF10"));
+#endif
+ menuFile->Append(File_ShowSplines, wxT("Spl&ines screen\tF11"));
+ menuFile->Append(File_ShowGradients, wxT("&Gradients screen\tF12"));
#if wxUSE_GRAPHICS_CONTEXT
- menuFile->Append(File_ShowAlpha, _T("&Alpha screen\tF10"));
+ menuFile->Append(File_ShowGraphics, wxT("&Graphics screen"));
#endif
- menuFile->Append(File_ShowSplines, _T("&Splines screen\tF11"));
- menuFile->Append(File_ShowGradients, _T("&Gradients screen\tF12"));
menuFile->AppendSeparator();
- menuFile->AppendCheckItem(File_Clip, _T("&Clip\tCtrl-C"), _T("Clip/unclip drawing"));
+ menuFile->AppendCheckItem(File_Clip, wxT("&Clip\tCtrl-C"), wxT("Clip/unclip drawing"));
#if wxUSE_GRAPHICS_CONTEXT
- menuFile->AppendCheckItem(File_GraphicContext, _T("&Use GraphicContext\tCtrl-Y"), _T("Use GraphicContext"));
+ menuFile->AppendCheckItem(File_GraphicContext, wxT("&Use GraphicContext\tCtrl-Y"), wxT("Use GraphicContext"));
+#endif
+ menuFile->AppendSeparator();
+#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, _T("&About...\tCtrl-A"), _T("Show about dialog"));
+ menuFile->Append(File_About, wxT("&About\tCtrl-A"), wxT("Show about dialog"));
menuFile->AppendSeparator();
- menuFile->Append(File_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
+ menuFile->Append(File_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
wxMenu *menuMapMode = new wxMenu;
- menuMapMode->Append( MapMode_Text, _T("&TEXT map mode") );
- menuMapMode->Append( MapMode_Lometric, _T("&LOMETRIC map mode") );
- menuMapMode->Append( MapMode_Twips, _T("T&WIPS map mode") );
- menuMapMode->Append( MapMode_Points, _T("&POINTS map mode") );
- menuMapMode->Append( MapMode_Metric, _T("&METRIC map mode") );
+ menuMapMode->Append( MapMode_Text, wxT("&TEXT map mode") );
+ menuMapMode->Append( MapMode_Lometric, wxT("&LOMETRIC map mode") );
+ menuMapMode->Append( MapMode_Twips, wxT("T&WIPS map mode") );
+ menuMapMode->Append( MapMode_Points, wxT("&POINTS map mode") );
+ menuMapMode->Append( MapMode_Metric, wxT("&METRIC map mode") );
wxMenu *menuUserScale = new wxMenu;
- menuUserScale->Append( UserScale_StretchHoriz, _T("Stretch &horizontally\tCtrl-H") );
- menuUserScale->Append( UserScale_ShrinkHoriz, _T("Shrin&k horizontally\tCtrl-G") );
- menuUserScale->Append( UserScale_StretchVertic, _T("Stretch &vertically\tCtrl-V") );
- menuUserScale->Append( UserScale_ShrinkVertic, _T("&Shrink vertically\tCtrl-W") );
+ menuUserScale->Append( UserScale_StretchHoriz, wxT("Stretch &horizontally\tCtrl-H") );
+ menuUserScale->Append( UserScale_ShrinkHoriz, wxT("Shrin&k horizontally\tCtrl-G") );
+ menuUserScale->Append( UserScale_StretchVertic, wxT("Stretch &vertically\tCtrl-V") );
+ menuUserScale->Append( UserScale_ShrinkVertic, wxT("&Shrink vertically\tCtrl-W") );
menuUserScale->AppendSeparator();
- menuUserScale->Append( UserScale_Restore, _T("&Restore to normal\tCtrl-0") );
+ menuUserScale->Append( UserScale_Restore, wxT("&Restore to normal\tCtrl-0") );
wxMenu *menuAxis = new wxMenu;
- menuAxis->AppendCheckItem( AxisMirror_Horiz, _T("Mirror horizontally\tCtrl-M") );
- menuAxis->AppendCheckItem( AxisMirror_Vertic, _T("Mirror vertically\tCtrl-N") );
+ menuAxis->AppendCheckItem( AxisMirror_Horiz, wxT("Mirror horizontally\tCtrl-M") );
+ menuAxis->AppendCheckItem( AxisMirror_Vertic, wxT("Mirror vertically\tCtrl-N") );
wxMenu *menuLogical = new wxMenu;
- menuLogical->Append( LogicalOrigin_MoveDown, _T("Move &down\tCtrl-D") );
- menuLogical->Append( LogicalOrigin_MoveUp, _T("Move &up\tCtrl-U") );
- menuLogical->Append( LogicalOrigin_MoveLeft, _T("Move &right\tCtrl-L") );
- menuLogical->Append( LogicalOrigin_MoveRight, _T("Move &left\tCtrl-R") );
+ menuLogical->Append( LogicalOrigin_MoveDown, wxT("Move &down\tCtrl-D") );
+ menuLogical->Append( LogicalOrigin_MoveUp, wxT("Move &up\tCtrl-U") );
+ menuLogical->Append( LogicalOrigin_MoveLeft, wxT("Move &right\tCtrl-L") );
+ menuLogical->Append( LogicalOrigin_MoveRight, wxT("Move &left\tCtrl-R") );
menuLogical->AppendSeparator();
- menuLogical->Append( LogicalOrigin_Set, _T("Set to (&100, 100)\tShift-Ctrl-1") );
- menuLogical->Append( LogicalOrigin_Restore, _T("&Restore to normal\tShift-Ctrl-0") );
+ menuLogical->Append( LogicalOrigin_Set, wxT("Set to (&100, 100)\tShift-Ctrl-1") );
+ menuLogical->Append( LogicalOrigin_Restore, wxT("&Restore to normal\tShift-Ctrl-0") );
wxMenu *menuColour = new wxMenu;
#if wxUSE_COLOURDLG
- menuColour->Append( Colour_TextForeground, _T("Text &foreground...") );
- menuColour->Append( Colour_TextBackground, _T("Text &background...") );
- menuColour->Append( Colour_Background, _T("Background &colour...") );
+ menuColour->Append( Colour_TextForeground, wxT("Text &foreground...") );
+ menuColour->Append( Colour_TextBackground, wxT("Text &background...") );
+ menuColour->Append( Colour_Background, wxT("Background &colour...") );
#endif // wxUSE_COLOURDLG
- menuColour->AppendCheckItem( Colour_BackgroundMode, _T("&Opaque/transparent\tCtrl-B") );
- menuColour->AppendCheckItem( Colour_TextureBackgound, _T("Draw textured back&ground\tCtrl-T") );
+ menuColour->AppendCheckItem( Colour_BackgroundMode, wxT("&Opaque/transparent\tCtrl-B") );
+ menuColour->AppendCheckItem( Colour_TextureBackgound, wxT("Draw textured back&ground\tCtrl-T") );
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar;
- menuBar->Append(menuFile, _T("&File"));
- menuBar->Append(menuMapMode, _T("&Mode"));
- menuBar->Append(menuUserScale, _T("&Scale"));
- menuBar->Append(menuAxis, _T("&Axis"));
- menuBar->Append(menuLogical, _T("&Origin"));
- menuBar->Append(menuColour, _T("&Colours"));
+ menuBar->Append(menuFile, wxT("&File"));
+ menuBar->Append(menuMapMode, wxT("&Mode"));
+ menuBar->Append(menuUserScale, wxT("&Scale"));
+ menuBar->Append(menuAxis, wxT("&Axis"));
+ menuBar->Append(menuLogical, wxT("&Origin"));
+ menuBar->Append(menuColour, wxT("&Colours"));
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
#if wxUSE_STATUSBAR
CreateStatusBar(2);
- SetStatusText(_T("Welcome to wxWidgets!"));
+ SetStatusText(wxT("Welcome to wxWidgets!"));
#endif // wxUSE_STATUSBAR
m_mapMode = wxMM_TEXT;
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 );
wxT("Copyright (c) Robert Roebling 1999")
);
- wxMessageBox(msg, _T("About Drawing"), wxOK | wxICON_INFORMATION, this);
+ wxMessageBox(msg, wxT("About Drawing"), wxOK | wxICON_INFORMATION, this);
}
void MyFrame::OnClip(wxCommandEvent& event)
}
#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((ScreenToShow)(event.GetId() - MenuShow_First));
+ m_canvas->ToShow(event.GetId());
}
void MyFrame::OnOption(wxCommandEvent& event)
case Colour_Background:
{
wxColour col = SelectColour();
- if ( col.Ok() )
+ if ( col.IsOk() )
{
m_backgroundBrush.SetColour(col);
}
projects / wxWidgets.git / blobdiff