?? canvas.cpp
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//-----------------------------------------------------------------------------------//
// Windows Graphics Programming: Win32 GDI and DirectDraw //
// ISBN 0-13-086985-6 //
// //
// Written by Yuan, Feng www.fengyuan.com //
// Copyright (c) 2000 by Hewlett-Packard Company www.hp.com //
// Published by Prentice Hall PTR, Prentice-Hall, Inc. www.phptr.com //
// //
// FileName : canvas.cpp //
// Description: Generic simple child window class //
// Version : 1.00.000, May 31, 2000 //
//-----------------------------------------------------------------------------------//
#define STRICT
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <commctrl.h>
#include <tchar.h>
#include <assert.h>
#include "win.h"
#include "Canvas.h"
KCanvas::KCanvas()
{
}
KCanvas::~KCanvas()
{
}
void KCanvas::OnDraw(HDC hDC, const RECT * rcPaint)
{
// Rectangle(hDC, 0, 0, 100, 100);
}
// called by CFrame::OnCommand
BOOL KCanvas::OnCommand(WPARAM wParam, LPARAM lParam)
{
return FALSE; // not processed
}
LRESULT KCanvas::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch( uMsg )
{
case WM_CREATE:
m_hWnd = hWnd;
return 0;
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hDC = BeginPaint(m_hWnd, &ps);
OnDraw(hDC, & ps.rcPaint);
EndPaint(m_hWnd, &ps);
}
return 0;
case WM_COMMAND:
if ( OnCommand(wParam, lParam) )
return 0;
}
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
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