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simplepaint2

SimpePaint2 2009.01.19

SimpePaint2

URUZ-7 2009. 1. 19. 19:46

2009. 1. 19. 19:46

/*===============================================        
Program Title : SimplePaint2
Name : siro-y        
Date : 2009/01/19      
Version : 1.0      
E-Mail : ms08th@hotmail.com        
===============================================*/

#include <windows.h>
#include "resource.h"

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
HINSTANCE g_hInst;
LPCTSTR lpszClass=TEXT("SimplePaint2");
HWND hWnd;

int APIENTRY WinMain(HINSTANCE hlnstance,HINSTANCE hPrevlnstance
					 ,LPSTR lpszCmdParam,int nCmdShow)
{
	HWND hWnd;
	MSG Message;
	WNDCLASS WndClass;
	g_hInst=hlnstance;

WndClass.cbClsExtra=0;
	WndClass.cbWndExtra=0;
	WndClass.hbrBackground=(HBRUSH)(COLOR_BTNFACE);
	WndClass.hCursor=LoadCursor(NULL,IDC_ARROW);
	WndClass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
	WndClass.hInstance=hlnstance;
	WndClass.lpfnWndProc=WndProc;
	WndClass.lpszClassName=lpszClass;
	WndClass.lpszMenuName=NULL;
	WndClass.style=CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
	
	RegisterClass(&WndClass);

hWnd=CreateWindow(lpszClass,lpszClass,WS_CAPTION | WS_SYSMENU,
		CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,
		NULL,(HMENU)NULL,hlnstance,NULL);
	ShowWindow(hWnd,nCmdShow);
	
	while (GetMessage(&Message,NULL,0,0)){
		TranslateMessage(&Message);
		DispatchMessage(&Message);
	}
	return (int)Message.wParam;
}

int GetCheckedRadioButton(HWND hDlg, int First, int Last)
{
	for(int id=First; id<=Last; id++)
	{
		if(IsDlgButtonChecked(hDlg,id)==BST_CHECKED)			
			return id;
	}
	return -1;
}

//SetDlgProc에 필요한 전역 변수
HWND hDlgMain;
int thick=1;
enum tag_color {RED=0,GREEN,BLUE};
int Color = RED;
COLORREF LineColor[] = {RGB(255,0,0),RGB(0,255,0),RGB(0,0,255)};

BOOL CALLBACK SetDlgProc(HWND hDlg, UINT iMessage, WPARAM wParam, LPARAM lParam)
{
	switch(iMessage)
	{
	case WM_INITDIALOG:		
		CheckRadioButton(hDlg,IDC_THICK1,IDC_THICK5,IDC_THICK1+thick-1);
		CheckRadioButton(hDlg,IDC_RED,IDC_BLUE,IDC_RED+Color);
		return TRUE;

case WM_COMMAND:
		switch(LOWORD(wParam))
		{
		case IDOK:
			//check button set(선굵기)
			if(IsDlgButtonChecked(hDlg,IDC_THICK1)==BST_CHECKED)
				thick=1;
			if(IsDlgButtonChecked(hDlg,IDC_THICK2)==BST_CHECKED)
				thick=2;
			if(IsDlgButtonChecked(hDlg,IDC_THICK3)==BST_CHECKED)
				thick=3;
			if(IsDlgButtonChecked(hDlg,IDC_THICK4)==BST_CHECKED)
				thick=4;
			if(IsDlgButtonChecked(hDlg,IDC_THICK5)==BST_CHECKED)
				thick=5;
			//radio button set(선색상)
			if(IsDlgButtonChecked(hDlg,IDC_RED)==BST_CHECKED)
				Color = RED;
			if(IsDlgButtonChecked(hDlg,IDC_GREEN)==BST_CHECKED)
				Color = GREEN;
			if(IsDlgButtonChecked(hDlg,IDC_BLUE)==BST_CHECKED)
				Color = BLUE;
			EndDialog(hDlg,IDOK);
			return TRUE;
		case IDCANCEL:
			EndDialog(hDlg,IDCANCEL);
			return TRUE;
		}
		break;		
	}
	return FALSE;
}

LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam)
{
	HDC hdc;
	HPEN MyPen,OldPen;			//pen 핸들
	static int x,y;				//mouse 좌표
	static BOOL bNowDraw=FALSE;	//그리기 가능 상태
	TCHAR *str = TEXT("화면 지움 : 스페이스 바, 더블클릭");

switch(iMessage)
	{
	case WM_LBUTTONDOWN:
		x=LOWORD(lParam);
		y=HIWORD(lParam);
		bNowDraw=TRUE;//그리기 가능
		return 0;

case WM_RBUTTONDOWN:
		DialogBox(g_hInst,MAKEINTRESOURCE(IDD_DIALOG1),hWnd,SetDlgProc);
			return 0;

case WM_MOUSEMOVE:
		if(bNowDraw){
			hdc=GetDC(hWnd);//dc를 구함
			TextOut(hdc,10,10,str,lstrlen(str));
			MyPen=CreatePen(PS_SOLID, thick,LineColor[Color]);//설정된 정보로 펜을 만듬
			OldPen=(HPEN)SelectObject(hdc, MyPen);	//복사
			MoveToEx(hdc,x,y,NULL);
			x=LOWORD(lParam);
			y=HIWORD(lParam);
			LineTo(hdc,x,y);
			SelectObject(hdc,OldPen);//복사된 펜으로 설정
			DeleteObject(MyPen);//사용된 펜 삭제
			ReleaseDC(hWnd,hdc);//dc해제
		}
		return 0;
		
	case WM_LBUTTONUP:
		bNowDraw=FALSE;//그리기 안됨
		return 0;

case WM_LBUTTONDBLCLK:
		MessageBox(hWnd,TEXT("다 지우겠슈~!"),TEXT("알림"),MB_OK);
		InvalidateRect(hWnd,NULL,TRUE);
		return 0;

case WM_KEYDOWN:
		switch(wParam)
		{
		case VK_SPACE:
			MessageBox(hWnd,TEXT("다 지우겠슈~!"),TEXT("알림"),MB_OK);
			InvalidateRect(hWnd,NULL,TRUE);
		}
		return 0;
		
	case WM_DESTROY:
		PostQuitMessage(0);
		return 0;
	}
	return(DefWindowProc(hWnd,iMessage,wParam,lParam));
}

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