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Windows 95 API Bible
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Windows 95 API Bible 3 Disc Set.iso
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Win32 API Bible Book 1 of 3
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CHAPTE16
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ANIMPAL.C
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C/C++ Source or Header
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1996-01-31
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9KB
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272 lines
#include <windows.h>
#include "AnimPal.h"
#if defined (WIN32)
#define IS_WIN32 TRUE
#else
#define IS_WIN32 FALSE
#endif
#define IS_NT IS_WIN32 && (BOOL)(GetVersion() < 0x80000000)
#define IS_WIN32S IS_WIN32 && (BOOL)(!(IS_NT) && (LOBYTE(LOWORD(GetVersion()))<4))
#define IS_WIN95 (BOOL)(!(IS_NT) && !(IS_WIN32S)) && IS_WIN32
HINSTANCE hInst; // current instance
LPCTSTR lpszAppName = "MyApp";
LPCTSTR lpszTitle = "My Application";
BOOL RegisterWin95( CONST WNDCLASS* lpwc );
int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPTSTR lpCmdLine, int nCmdShow)
{
MSG msg;
HWND hWnd;
WNDCLASS wc;
// Register the main application window class.
//............................................
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wc.lpfnWndProc = (WNDPROC)WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon( hInstance, lpszAppName );
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = lpszAppName;
wc.lpszClassName = lpszAppName;
if ( IS_WIN95 )
{
if ( !RegisterWin95( &wc ) )
return( FALSE );
}
else if ( !RegisterClass( &wc ) )
return( FALSE );
hInst = hInstance;
// Create the main application window.
//....................................
hWnd = CreateWindow( lpszAppName,
lpszTitle,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0,
CW_USEDEFAULT, 0,
NULL,
NULL,
hInstance,
NULL
);
if ( !hWnd )
return( FALSE );
ShowWindow( hWnd, nCmdShow );
UpdateWindow( hWnd );
while( GetMessage( &msg, NULL, 0, 0) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
return( msg.wParam );
}
BOOL RegisterWin95( CONST WNDCLASS* lpwc )
{
WNDCLASSEX wcex;
wcex.style = lpwc->style;
wcex.lpfnWndProc = lpwc->lpfnWndProc;
wcex.cbClsExtra = lpwc->cbClsExtra;
wcex.cbWndExtra = lpwc->cbWndExtra;
wcex.hInstance = lpwc->hInstance;
wcex.hIcon = lpwc->hIcon;
wcex.hCursor = lpwc->hCursor;
wcex.hbrBackground = lpwc->hbrBackground;
wcex.lpszMenuName = lpwc->lpszMenuName;
wcex.lpszClassName = lpwc->lpszClassName;
// Added elements for Windows 95.
//...............................
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.hIconSm = LoadImage(wcex.hInstance, lpwc->lpszClassName,
IMAGE_ICON, 16, 16,
LR_DEFAULTCOLOR );
return RegisterClassEx( &wcex );
}
#define NUMBERCOLORS 128
LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
static LPLOGPALETTE pLogPal;
static HPALETTE hPal;
switch( uMsg )
{
case WM_CREATE :
{
int i;
// Allocate space for the logical palette.
//........................................
pLogPal = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(LOGPALETTE) +
(NUMBERCOLORS * sizeof(PALETTEENTRY)) );
// Initialize the palette with 1 red color and the
// rest of the colors being white.
//................................................
pLogPal->palVersion = 0x300;
pLogPal->palNumEntries = NUMBERCOLORS;
for( i = 0; i < NUMBERCOLORS; i++ )
{
pLogPal->palPalEntry[i].peRed = 255;
pLogPal->palPalEntry[i].peGreen = (i==0 ? 0 : 255 );
pLogPal->palPalEntry[i].peBlue = (i==0 ? 0 : 255 );
pLogPal->palPalEntry[i].peFlags = PC_RESERVED;
}
// Create the palette.
//....................
hPal = CreatePalette( pLogPal );
}
break;
case WM_PAINT :
{
PAINTSTRUCT ps;
HBRUSH hBrush;
int i;
// Begin painting and select and realize the palette.
//...................................................
BeginPaint( hWnd, &ps );
SelectPalette( ps.hdc, hPal, FALSE );
RealizePalette( ps.hdc );
// Select a null pen.
//...................
SelectObject( ps.hdc, GetStockObject( NULL_PEN ) );
// Paint a rectangle in each of the
// colors in our logical palette.
//.................................
for ( i = 0; i < NUMBERCOLORS; i++ )
{
// Create a brush of the palette color and select it.
//...................................................
hBrush = CreateSolidBrush( PALETTEINDEX(i) );
SelectObject( ps.hdc, hBrush );
// Paint the rectangle.
//.....................
Rectangle( ps.hdc, i*4, 0, (i*4)+25, 50 );
// Select the stock white brush object.
//.....................................
SelectObject( ps.hdc, GetStockObject( WHITE_BRUSH ) );
// Delete the brush we created.
//.............................
DeleteObject( hBrush );
}
// End painting.
EndPaint( hWnd, &ps );
}
break;
case WM_COMMAND :
switch( LOWORD( wParam ) )
{
case IDM_TEST :
{
int i;
// Cycle through each of the palette entries
// changing on entry at a time to red and then
// calling animate palette to show the change.
//............................................
for ( i = 0; i < NUMBERCOLORS; i++ )
{
pLogPal->palPalEntry[i].peGreen = 255;
pLogPal->palPalEntry[i].peBlue = 255;
if ( i < NUMBERCOLORS-1 )
{
pLogPal->palPalEntry[i+1].peGreen = 0;
pLogPal->palPalEntry[i+1].peBlue = 0;
}
else
{
pLogPal->palPalEntry[0].peGreen = 0;
pLogPal->palPalEntry[0].peBlue = 0;
}
AnimatePalette( hPal, 0, NUMBERCOLORS,
pLogPal->palPalEntry );
}
}
break;
case IDM_ABOUT :
DialogBox( hInst, "AboutBox", hWnd, (DLGPROC)About );
break;
case IDM_EXIT :
DestroyWindow( hWnd );
break;
}
break;
case WM_DESTROY :
// Free the memory for the logical palette
// and delete the palette object handle.
//........................................
HeapFree( GetProcessHeap(), 0, pLogPal );
DeleteObject( hPal );
PostQuitMessage(0);
break;
default :
return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
}
return( 0L );
}
LRESULT CALLBACK About( HWND hDlg,
UINT message,
WPARAM wParam,
LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
return (TRUE);
case WM_COMMAND:
if ( LOWORD(wParam) == IDOK
|| LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, TRUE);
return (TRUE);
}
break;
}
return (FALSE);
}