#define Random(x) (rand() % x)
#define Randomize() (srand((unsigned int)time(NULL)))
-static int detail = 9; // CHANGE THIS... 7,8,9 etc
+static int detail = 9; // CHANGE THIS... 7,8,9 etc
-static bool running = FALSE;
+static bool running = false;
static wxMenuBar *menuBar = NULL;
// Define a new application type
class MyApp: public wxApp
-{ public:
- bool OnInit();
+{
+public:
+ bool OnInit();
};
IMPLEMENT_APP(MyApp)
class MyFrame: public wxFrame
{
public:
- MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size);
+ MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size);
- void OnCloseWindow(wxCloseEvent& event);
+ void OnCloseWindow(wxCloseEvent& event);
void OnExit(wxCommandEvent& event);
-DECLARE_EVENT_TABLE()
+
+ DECLARE_EVENT_TABLE()
};
// Define a new canvas which can receive some events
class MyCanvas: public wxWindow
{
public:
- MyCanvas(wxFrame *frame);
- void Draw(wxDC& dc);
+ MyCanvas(wxFrame *frame);
+ void Draw(wxDC& dc);
private:
- void OnPaint(wxPaintEvent& event);
- void Fractal(wxDC& dc, int X1, int Y1, int X2, int Y2, int Z1, int Z2, int Z3, int Z4, int Iteration, double Std, double Ratio);
- wxPen SnowPen, MtnPen, GreenPen;
- wxBrush WaterBrush;
- int Sealevel;
+ void OnPaint(wxPaintEvent& event);
+ void Fractal(wxDC& dc, int X1, int Y1, int X2, int Y2, int Z1, int Z2, int Z3, int Z4, int Iteration, double Std, double Ratio);
+ wxPen SnowPen, MtnPen, GreenPen;
+ wxBrush WaterBrush;
+ int Sealevel;
DECLARE_EVENT_TABLE()
};
bool MyApp::OnInit()
{
// Create the main frame window
- MyFrame *frame = new MyFrame(NULL, _T("Fractal Mountains for wxWidgets"), wxPoint(-1, -1), wxSize(640, 480));
+ MyFrame *frame = new MyFrame(NULL, _T("Fractal Mountains for wxWidgets"), wxDefaultPosition, wxSize(640, 480));
// Make a menubar
wxMenu *file_menu = new wxMenu;
(void) new MyCanvas(frame);
// Show the frame
- frame->Show(TRUE);
+ frame->Show(true);
- return TRUE;
+ return true;
}
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
// My frame constructor
MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size):
- wxFrame(frame, -1, title, pos, size, wxDEFAULT_FRAME_STYLE | wxFULL_REPAINT_ON_RESIZE)
+ wxFrame(frame, wxID_ANY, title, pos, size, wxDEFAULT_FRAME_STYLE | wxFULL_REPAINT_ON_RESIZE )
{
}
void MyFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
{
- static bool destroyed = FALSE;
+ static bool destroyed = false;
if (destroyed)
return;
this->Destroy();
- destroyed = TRUE;
+ destroyed = true;
}
BEGIN_EVENT_TABLE(MyCanvas, wxWindow)
// Define a constructor for my canvas
MyCanvas::MyCanvas(wxFrame *frame):
- wxWindow(frame, -1)
+ wxWindow(frame, wxID_ANY)
{
wxColour wxCol1(255,255,255);
SnowPen = wxPen(wxCol1, 2, wxSOLID);
void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
{
wxPaintDC dc(this);
- Draw(dc);
+ PrepareDC(dc);
+ Draw(dc);
}
void MyCanvas::Draw(wxDC& dc)
{
if (running) return;
- running = TRUE;
- menuBar->EnableTop(0, FALSE);
+ running = true;
+ menuBar->EnableTop(0, false);
+
+ Randomize();
- Randomize();
+ dc.SetBackground(*wxLIGHT_GREY_BRUSH);
+ dc.Clear();
- int Left, Top, Right, Bottom;
- GetClientSize(&Right, &Bottom);
+ int Left, Top, Right, Bottom;
+ GetClientSize(&Right, &Bottom);
- Right *= 3; Right /= 4;
- Bottom *= 3; Bottom /= 4;
- Left = 0;
- Top = Bottom/8;
+ Right *= 3; Right /= 4;
+ Bottom *= 3; Bottom /= 4;
+ Left = 0;
+ Top = Bottom/8;
- wxPoint Water[4];
- Water[0].x = Left; Water[0].y = Top;
- Water[1].x = Right; Water[1].y = Top;
- Water[2].x = Right+Bottom/2; Water[2].y = Bottom;
- Water[3].x = Bottom/2; Water[3].y = Bottom;
+ wxPoint Water[4];
+ Water[0].x = Left; Water[0].y = Top;
+ Water[1].x = Right; Water[1].y = Top;
+ Water[2].x = Right+Bottom/2; Water[2].y = Bottom;
+ Water[3].x = Bottom/2; Water[3].y = Bottom;
- dc.SetBrush(WaterBrush);
- dc.DrawPolygon(4, Water);
+ dc.SetBrush(WaterBrush);
+ dc.DrawPolygon(4, Water);
- double H = 0.75;
- double Scale = Bottom;
- double Ratio = 1.0 / pow(2.0, H);
- double Std = Scale * Ratio;
- Sealevel = Random(18) - 8;
+ double H = 0.75;
+ double Scale = Bottom;
+ double Ratio = 1.0 / pow(2.0, H);
+ double Std = Scale * Ratio;
+ Sealevel = Random(18) - 8;
- Fractal(dc, Left, Top, Right, Bottom, 0, 0, 0, 0, detail, Std, Ratio);
+ Fractal(dc, Left, Top, Right, Bottom, 0, 0, 0, 0, detail, Std, Ratio);
- menuBar->EnableTop(0, TRUE);
- running = FALSE;
+ menuBar->EnableTop(0, true);
+ running = false;
}
void MyCanvas::Fractal(wxDC& dc, int X1, int Y1, int X2, int Y2, int Z1, int Z2, int Z3, int Z4, int Iteration, double Std, double Ratio)
{
- int Xmid = (X1 + X2) / 2;
- int Ymid = (Y1 + Y2) / 2;
- int Z23 = (Z2 + Z3) / 2;
- int Z41 = (Z4 + Z1) / 2;
- int Newz = (int)((Z1 + Z2 + Z3 + Z4) / 4 + (double)(Random(17) - 8) / 8.0 * Std);
-
- if (--Iteration)
- {
- int Z12 = (Z1 + Z2) / 2;
- int Z34 = (Z3 + Z4) / 2;
- double Stdmid = Std * Ratio;
-
- Fractal(dc, Xmid, Y1, X2, Ymid, Z12, Z2, Z23, Newz, Iteration, Stdmid, Ratio);
- Fractal(dc, X1, Y1, Xmid, Ymid, Z1, Z12, Newz, Z41, Iteration, Stdmid, Ratio);
- Fractal(dc, Xmid, Ymid, X2, Y2, Newz, Z23, Z3, Z34, Iteration, Stdmid, Ratio);
- Fractal(dc, X1, Ymid, Xmid, Y2, Z41, Newz, Z34, Z4, Iteration, Stdmid, Ratio);
- }
- else
- {
- if (Newz <= Sealevel)
- {
- wxPoint P[4];
- P[0].x = Y1 / 2 + X1; P[0].y = Y1 + Z1;
- P[1].x = Y1 / 2 + X2; P[1].y = Y1 + Z2;
- P[2].x = Y2 / 2 + X2; P[2].y = Y2 + Z3;
- P[3].x = Y2 / 2 + X1; P[3].y = Y2 + Z4;
-
- dc.SetPen(* wxBLACK_PEN);
- dc.SetBrush(* wxBLACK_BRUSH);
-
- dc.DrawPolygon(4, P);
-
- if (Z1 >= -(60+Random(25)))
- dc.SetPen(GreenPen);
- else if (Z1 >= -(100+Random(25)))
- dc.SetPen(MtnPen);
- else
- dc.SetPen(SnowPen);
-
- dc.DrawLine(Ymid/2+X2, Ymid+Z23, Ymid/2+X1, Ymid+Z41);
- }
- }
+ int Xmid = (X1 + X2) / 2;
+ int Ymid = (Y1 + Y2) / 2;
+ int Z23 = (Z2 + Z3) / 2;
+ int Z41 = (Z4 + Z1) / 2;
+ int Newz = (int)((Z1 + Z2 + Z3 + Z4) / 4 + (double)(Random(17) - 8) / 8.0 * Std);
+
+ if (--Iteration)
+ {
+ int Z12 = (Z1 + Z2) / 2;
+ int Z34 = (Z3 + Z4) / 2;
+ double Stdmid = Std * Ratio;
+
+ Fractal(dc, Xmid, Y1, X2, Ymid, Z12, Z2, Z23, Newz, Iteration, Stdmid, Ratio);
+ Fractal(dc, X1, Y1, Xmid, Ymid, Z1, Z12, Newz, Z41, Iteration, Stdmid, Ratio);
+ Fractal(dc, Xmid, Ymid, X2, Y2, Newz, Z23, Z3, Z34, Iteration, Stdmid, Ratio);
+ Fractal(dc, X1, Ymid, Xmid, Y2, Z41, Newz, Z34, Z4, Iteration, Stdmid, Ratio);
+ }
+ else
+ {
+ if (Newz <= Sealevel)
+ {
+ wxPoint P[4];
+ P[0].x = Y1 / 2 + X1; P[0].y = Y1 + Z1;
+ P[1].x = Y1 / 2 + X2; P[1].y = Y1 + Z2;
+ P[2].x = Y2 / 2 + X2; P[2].y = Y2 + Z3;
+ P[3].x = Y2 / 2 + X1; P[3].y = Y2 + Z4;
+
+ dc.SetPen(* wxBLACK_PEN);
+ dc.SetBrush(* wxBLACK_BRUSH);
+
+ dc.DrawPolygon(4, P);
+
+ if (Z1 >= -(60+Random(25)))
+ dc.SetPen(GreenPen);
+ else if (Z1 >= -(100+Random(25)))
+ dc.SetPen(MtnPen);
+ else
+ dc.SetPen(SnowPen);
+
+ dc.DrawLine(Ymid/2+X2, Ymid+Z23, Ymid/2+X1, Ymid+Z41);
+ }
+ }
}
projects / wxWidgets.git / blobdiff