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File, .
1. drawShape , . , .
, .
#define W 200 //
#define H 140 //
enum ShapeSize {MIN, MAX }; // MIN = 0, MAX = 1
struct SHAPE_DATA {
int id_shape; // ,
//
BOOL fRed; //
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BOOL fGreen; //
BOOL fBlue; //
int id_bright; //
};
// drawShape :
// hWnd -
// hdc -
// shapeData -
// shapeSize -
// bShow - ( )
void drawShape (HWND hWnd, HDC hdc, SHAPE_DATA shapeData,
ShapeSize shapeSize, BOOL bShow)
{
if (bShow)
{
int intensity[3] = {100, 170, 255 };
int brightness = intensity [shapeData.id_bright - ID_DARK ];
// , hBrush
HBRUSH hBrush = CreateSolidBrush (RGB(
shapeData.fRed? brightness: 0,
shapeData.fGreen? brightness: 0,
shapeData.fBlue? brightness: 0)
);
// hBrush ,
// holdBrush
HBRUSH holdBrush = (HBRUSH) SelectObject(hdc,hBrush);
RECT rect; // rect RECT, RECT
// ,
// ,
GetClientRect(hWnd, &rect); //
// rect
// (x0, y0) - ()
int x0=rect.right /2, x1, x2;
int y0=rect.bottom /2, y1, y2;
//
if (shapeSize == MIN)
{ x1 = x0 - W/2; y1 = y0 - H/2;
x2 = x0 + W/2; y2 = y0 + H/2;
}
else
{
x1 = y1 = 0;
x2 = rect.right; y2 = rect.bottom;
}
// pt[4] POINT
POINT pt[4];
pt[0].x = (x1+x2) / 2; pt[0].y = y1;
pt[1].x = x2; pt[1].y = (y1+y2) / 2;
pt[2].x = (x1+x2) / 2; pt[2].y = y2;
pt[3].x = x1; pt[3].y = (y1+y2) / 2;
switch (shapeData.id_shape)
{
case ID_RECTANGLE:
Rectangle(hdc, x1,y1,x2,y2);
break;
case ID_RHOMB:
Polygon(hdc, pt,4);
break;
case ID_ELLIPSE:
Ellipse(hdc, x1,y1,x2,y2);
break;
}
// , , -
DeleteObject(SelectObject(hdc,holdBrush));
} // if (bShow)
}
2. Win32 Project _ 1.
. .
Resource.h , #define. , , , , .
, , _ 1.rc . Resource.h , .
, . . ( !)
Resource.h _ 1.rc
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3. _ 1.rc . Menu, IDC_MY ( ), .
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(0- )
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| &! | IDM_RESIZE | ||
| & | - | 4 ( ) |
| , -, True False , . Resource.h , , !!!! |
! , , , .
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(1- )
| & | IDM_OPEN | |
| & | IDM_CLOSE | |
| & | IDM_SAVE | |
| - | SEPARATOR | - |
| & | IDM_EXIT ( ) | |
(1- )
| & | IDM_SHOW_SHAPE | |
| & | IDM_HIDE_SHAPE |
(1- )
| - | ||
| - |
| . 1 . , -, False True , Resource.h , , !!!! |
(1- )
| IDM_ABOUT |
(2- )
| ID_RECTANGLE | ||
| ID_RHOMB | ||
| ID_ELLIPSE |
(2- )
| ID_RED | ||
| ID_GREEN | ||
| ID_BLUE | ||
| - | SEPARATOR | - |
| ID_DARK | ||
| ID_MEDIUM | ||
| ID_LIGHT |
Resource.h _ 1.rc .
. , .
4. _ 1.h W H,
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enum ShapeSize, SHAPE_DATA.
#define W 200 //
#define H 140 //
enum ShapeSize { MIN, MAX }; // MIN = 0, MAX = 1
struct SHAPE_DATA {
int id_shape; // ,
//
BOOL fRed; //
BOOL fGreen; //
BOOL fBlue; //
int id_bright; //
};
drawShape.cpp,
drawShape.
#include "stdafx.h"
#include ".h"
5. _ 1.cpp. drawShape _ 1. cpp
WndProc, , WM_CREATE, WM_COMMAND WM_PAINT, . case WM_COMMAND, .
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam,
LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
// ,
// , drawShape.
//
// drawShape
static ShapeSize shapeSize = MIN;
static BOOL bShow = TRUE;
static SHAPE_DATA shapeData = { ID_RECTANGLE, TRUE, FALSE, FALSE, ID_DARK};
static HMENU hMenu = GetMenu(hWnd); //
// GetMenu
// static.
// , static, ,
// . . , , ,
// . ,
// , ,
// . ,
// .
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
switch (wmId)
{
case IDM_OPEN:
// MessageBox
//
MessageBox (hWnd, TEXT(" ' ' "),
TEXT(" '' "), MB_OK);
break;
case IDM_CLOSE:
MessageBox(hWnd, TEXT(" ' ' "),
TEXT(" ' '"), MB_OK);
break;
case IDM_SAVE:
MessageBox(hWnd, TEXT(" ' ' "),
TEXT(" "), MB_OK);
break;
case IDM_SHOW_SHAPE:
bShow = TRUE;
break;
case IDM_HIDE_SHAPE:
bShow = FALSE;
break;
case ID_RECTANGLE:
shapeData.id_shape = ID_RECTANGLE;
break;
case ID_RHOMB:
shapeData.id_shape = ID_RHOMB;
break;
case ID_ELLIPSE:
shapeData.id_shape = ID_ELLIPSE; break;
case ID_RED:
shapeData.fRed= TRUE;
shapeData.fGreen =FALSE;
shapeData.fBlue=FALSE;
break;
case ID_GREEN:
shapeData.fRed=FALSE;
shapeData.fGreen =TRUE;
shapeData.fBlue=FALSE;
break;
case ID_BLUE:
shapeData.fRed=FALSE;
shapeData.fGreen = FALSE;
shapeData.fBlue=TRUE;
break;
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case ID_DARK:
shapeData.id_bright = ID_DARK;
break;
case ID_MEDIUM:
shapeData.id_bright = ID_MEDIUM;
break;
case ID_LIGHT:
shapeData.id_bright = ID_LIGHT;
break;
case IDM_RESIZE:
// !!!!!!!!
break;
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
// InvalidateRect , ,
// drawShape
// InvalidateRect, WM_PAINT, // hWnd
InvalidateRect(hWnd,NULL,TRUE);
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
