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Inital fill in background, removed tabs, -1->wxID_ANY, TRUE->true, FALSE->false

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27470 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Włodzimierz Skiba
2004-05-27 17:29:32 +00:00
parent 2d1d813e2d
commit e0e31ccdbc
1 changed files with 88 additions and 82 deletions
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170
demos/fractal/fractal.cpp
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@@ -49,15 +49,16 @@ hack doesn't fix.
#define Random(x) (rand() % x) #define Random(x) (rand() % x)
#define Randomize() (srand((unsigned int)time(NULL))) #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; static wxMenuBar *menuBar = NULL;
// Define a new application type // Define a new application type
class MyApp: public wxApp class MyApp: public wxApp
{ public: {
bool OnInit(); public:
bool OnInit();
}; };
IMPLEMENT_APP(MyApp) IMPLEMENT_APP(MyApp)
@@ -66,26 +67,27 @@ IMPLEMENT_APP(MyApp)
class MyFrame: public wxFrame class MyFrame: public wxFrame
{ {
public: 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); void OnExit(wxCommandEvent& event);
DECLARE_EVENT_TABLE()
DECLARE_EVENT_TABLE()
}; };
// Define a new canvas which can receive some events // Define a new canvas which can receive some events
class MyCanvas: public wxWindow class MyCanvas: public wxWindow
{ {
public: public:
MyCanvas(wxFrame *frame); MyCanvas(wxFrame *frame);
void Draw(wxDC& dc); void Draw(wxDC& dc);
private: private:
void OnPaint(wxPaintEvent& event); 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); 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; wxPen SnowPen, MtnPen, GreenPen;
wxBrush WaterBrush; wxBrush WaterBrush;
int Sealevel; int Sealevel;
DECLARE_EVENT_TABLE() DECLARE_EVENT_TABLE()
}; };
@@ -94,7 +96,7 @@ DECLARE_EVENT_TABLE()
bool MyApp::OnInit() bool MyApp::OnInit()
{ {
// Create the main frame window // 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 // Make a menubar
wxMenu *file_menu = new wxMenu; wxMenu *file_menu = new wxMenu;
@@ -109,9 +111,9 @@ bool MyApp::OnInit()
(void) new MyCanvas(frame); (void) new MyCanvas(frame);
// Show the frame // Show the frame
frame->Show(TRUE); frame->Show(true);
return TRUE; return true;
} }
BEGIN_EVENT_TABLE(MyFrame, wxFrame) BEGIN_EVENT_TABLE(MyFrame, wxFrame)
@@ -121,7 +123,7 @@ END_EVENT_TABLE()
// My frame constructor // My frame constructor
MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size): 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 )
{ {
} }
@@ -133,13 +135,13 @@ void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
void MyFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) void MyFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
{ {
static bool destroyed = FALSE; static bool destroyed = false;
if (destroyed) if (destroyed)
return; return;
this->Destroy(); this->Destroy();
destroyed = TRUE; destroyed = true;
} }
BEGIN_EVENT_TABLE(MyCanvas, wxWindow) BEGIN_EVENT_TABLE(MyCanvas, wxWindow)
@@ -148,7 +150,7 @@ END_EVENT_TABLE()
// Define a constructor for my canvas // Define a constructor for my canvas
MyCanvas::MyCanvas(wxFrame *frame): MyCanvas::MyCanvas(wxFrame *frame):
wxWindow(frame, -1) wxWindow(frame, wxID_ANY)
{ {
wxColour wxCol1(255,255,255); wxColour wxCol1(255,255,255);
SnowPen = wxPen(wxCol1, 2, wxSOLID); SnowPen = wxPen(wxCol1, 2, wxSOLID);
@@ -166,90 +168,94 @@ MyCanvas::MyCanvas(wxFrame *frame):
void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
{ {
wxPaintDC dc(this); wxPaintDC dc(this);
Draw(dc); PrepareDC(dc);
Draw(dc);
} }
void MyCanvas::Draw(wxDC& dc) void MyCanvas::Draw(wxDC& dc)
{ {
if (running) return; if (running) return;
running = TRUE; running = true;
menuBar->EnableTop(0, FALSE); menuBar->EnableTop(0, false);
Randomize(); Randomize();
int Left, Top, Right, Bottom; dc.SetBackground(*wxLIGHT_GREY_BRUSH);
GetClientSize(&Right, &Bottom); dc.Clear();
Right *= 3; Right /= 4; int Left, Top, Right, Bottom;
Bottom *= 3; Bottom /= 4; GetClientSize(&Right, &Bottom);
Left = 0;
Top = Bottom/8;
wxPoint Water[4]; Right *= 3; Right /= 4;
Water[0].x = Left; Water[0].y = Top; Bottom *= 3; Bottom /= 4;
Water[1].x = Right; Water[1].y = Top; Left = 0;
Water[2].x = Right+Bottom/2; Water[2].y = Bottom; Top = Bottom/8;
Water[3].x = Bottom/2; Water[3].y = Bottom;
dc.SetBrush(WaterBrush); wxPoint Water[4];
dc.DrawPolygon(4, Water); 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;
double H = 0.75; dc.SetBrush(WaterBrush);
double Scale = Bottom; dc.DrawPolygon(4, Water);
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); double H = 0.75;
double Scale = Bottom;
double Ratio = 1.0 / pow(2.0, H);
double Std = Scale * Ratio;
Sealevel = Random(18) - 8;
menuBar->EnableTop(0, TRUE); Fractal(dc, Left, Top, Right, Bottom, 0, 0, 0, 0, detail, Std, Ratio);
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) 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 Xmid = (X1 + X2) / 2;
int Ymid = (Y1 + Y2) / 2; int Ymid = (Y1 + Y2) / 2;
int Z23 = (Z2 + Z3) / 2; int Z23 = (Z2 + Z3) / 2;
int Z41 = (Z4 + Z1) / 2; int Z41 = (Z4 + Z1) / 2;
int Newz = (int)((Z1 + Z2 + Z3 + Z4) / 4 + (double)(Random(17) - 8) / 8.0 * Std); int Newz = (int)((Z1 + Z2 + Z3 + Z4) / 4 + (double)(Random(17) - 8) / 8.0 * Std);
if (--Iteration) if (--Iteration)
{ {
int Z12 = (Z1 + Z2) / 2; int Z12 = (Z1 + Z2) / 2;
int Z34 = (Z3 + Z4) / 2; int Z34 = (Z3 + Z4) / 2;
double Stdmid = Std * Ratio; double Stdmid = Std * Ratio;
Fractal(dc, Xmid, Y1, X2, Ymid, Z12, Z2, Z23, Newz, Iteration, Stdmid, 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, 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, Xmid, Ymid, X2, Y2, Newz, Z23, Z3, Z34, Iteration, Stdmid, Ratio);
Fractal(dc, X1, Ymid, Xmid, Y2, Z41, Newz, Z34, Z4, Iteration, Stdmid, Ratio); Fractal(dc, X1, Ymid, Xmid, Y2, Z41, Newz, Z34, Z4, Iteration, Stdmid, Ratio);
} }
else else
{ {
if (Newz <= Sealevel) if (Newz <= Sealevel)
{ {
wxPoint P[4]; wxPoint P[4];
P[0].x = Y1 / 2 + X1; P[0].y = Y1 + Z1; P[0].x = Y1 / 2 + X1; P[0].y = Y1 + Z1;
P[1].x = Y1 / 2 + X2; P[1].y = Y1 + Z2; P[1].x = Y1 / 2 + X2; P[1].y = Y1 + Z2;
P[2].x = Y2 / 2 + X2; P[2].y = Y2 + Z3; P[2].x = Y2 / 2 + X2; P[2].y = Y2 + Z3;
P[3].x = Y2 / 2 + X1; P[3].y = Y2 + Z4; P[3].x = Y2 / 2 + X1; P[3].y = Y2 + Z4;
dc.SetPen(* wxBLACK_PEN); dc.SetPen(* wxBLACK_PEN);
dc.SetBrush(* wxBLACK_BRUSH); dc.SetBrush(* wxBLACK_BRUSH);
dc.DrawPolygon(4, P); dc.DrawPolygon(4, P);
if (Z1 >= -(60+Random(25))) if (Z1 >= -(60+Random(25)))
dc.SetPen(GreenPen); dc.SetPen(GreenPen);
else if (Z1 >= -(100+Random(25))) else if (Z1 >= -(100+Random(25)))
dc.SetPen(MtnPen); dc.SetPen(MtnPen);
else else
dc.SetPen(SnowPen); dc.SetPen(SnowPen);
dc.DrawLine(Ymid/2+X2, Ymid+Z23, Ymid/2+X1, Ymid+Z41); dc.DrawLine(Ymid/2+X2, Ymid+Z23, Ymid/2+X1, Ymid+Z41);
} }
} }
} }