random number generators fault). The viewing plane is not
quite right as the original code used SetViewportOrg() which there
doesn't seem to be an equivalent of under wxWidgets, and my quick
-hack doesn't fix.
+hack doesn't fix.
*/
-#ifdef __GNUG__
-#pragma implementation
-#pragma interface
-#endif
-
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#include "wx/wx.h"
#endif //precompiled headers
+#include "wx/math.h"
+#include "wx/stockitem.h"
+
#include <stdlib.h>
-#include <math.h>
#include <time.h>
#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;
- file_menu->Append(wxID_EXIT, _T("E&xit"));
+ file_menu->Append(wxID_EXIT, wxGetStockLabel(wxID_EXIT));
menuBar = new wxMenuBar;
menuBar->Append(file_menu, _T("&File"));
frame->SetMenuBar(menuBar);
(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);
- Randomize();
+ running = true;
+ menuBar->EnableTop(0, false);
+
+ 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