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The CICA Windows Explosion!
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The CICA Windows Explosion! - Disc 2.iso
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progwin.zip
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WHATSIZE.ZIP
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WHATSIZE.C
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C/C++ Source or Header
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1991-11-01
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3KB
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123 lines
/*----------------------------------------
WHATSIZE.C -- WHat Size Is the Window?
----------------------------------------*/
#include <windows.h>
#include <stdio.h>
long FAR PASCAL WndProc(HWND, WORD, WORD, LONG);
int PASCAL WinMain(HANDLE hInstance, HANDLE hPrevInstance,
LPSTR lpszCmdLine, int nCmdShow)
{
static char szAppName[] = "WhatSize";
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
if (!hPrevInstance)
{
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = szAppName;
RegisterClass(&wndclass);
}
hwnd = CreateWindow(szAppName, "What Size Is the Window?",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL);
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
void Show(HWND hwnd, HDC hdc, short xText, short yText, short nMapMode,
char *szMapMode)
{
char szBuffer[60];
RECT rect;
SaveDC(hdc);
SetMapMode(hdc, nMapMode);
GetClientRect(hwnd, &rect);
DPtoLP(hdc, (LPPOINT) &rect, 2);
RestoreDC(hdc, -1);
TextOut(hdc, xText, yText, szBuffer,
sprintf(szBuffer, "%-20s %7d %7d %7d %7d", szMapMode,
rect.left, rect.right, rect.top, rect.bottom));
}
long FAR PASCAL WndProc(HWND hwnd, WORD message, WORD wParam, LONG lParam)
{
static char szHeading[] =
"Mapping Mode Left Right Top Bottom";
static char szUndLine[] =
"------------ ---- ----- --- ------";
static short cxChar, cyChar;
HDC hdc;
PAINTSTRUCT ps;
TEXTMETRIC tm;
switch (message)
{
case WM_CREATE:
hdc = GetDC(hwnd);
SelectObject(hdc,GetStockObject(SYSTEM_FIXED_FONT));
GetTextMetrics(hdc,&tm);
cxChar = tm.tmAveCharWidth;
cyChar = tm.tmHeight + tm.tmExternalLeading;
ReleaseDC(hwnd, hdc);
return 0;
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
SelectObject(hdc, GetStockObject(SYSTEM_FIXED_FONT));
SetMapMode(hdc, MM_ANISOTROPIC);
SetWindowExt(hdc, 1, 1);
SetViewportExt(hdc, cxChar, cyChar);
TextOut(hdc, 1, 1, szHeading, sizeof szHeading - 1);
TextOut(hdc, 1, 2, szUndLine, sizeof szUndLine - 1);
Show(hwnd, hdc, 1, 3, MM_TEXT, "TEXT (pixels)");
Show(hwnd, hdc, 1, 4, MM_LOMETRIC, "LOMETRIC (.1 mm)");
Show(hwnd, hdc, 1, 5, MM_HIMETRIC, "HIMETRIC (.01 mm)");
Show(hwnd, hdc, 1, 6, MM_LOENGLISH, "LOENGLISH (.01 in)");
Show(hwnd, hdc, 1, 7, MM_HIENGLISH, "HIENGLISH (.001 in)");
Show(hwnd, hdc, 1, 8, MM_TWIPS, "TWIPS (1/1440 in)");
EndPaint(hwnd, &ps);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd, message, wParam, lParam);
}