#include<windows.h>
#include<commctrl.h>
#include"resource.h"
#include"hensu.h"
#include"bmp_io.h"
#include"clip_board.h"
#include"transform.h"
#include<stdio.h>

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
ATOM InitApp(HINSTANCE);
BOOL InitInstance(HINSTANCE,int);
LRESULT CALLBACK MyDlgProc(HWND hDlg,UINT msg,WPARAM wp,LPARAM lp);
LRESULT CALLBACK MyDlgProc2(HWND hDlg,UINT msg,WPARAM wp,LPARAM lp);
LRESULT CALLBACK MyDlgProc3(HWND hDlg,UINT msg,WPARAM wp,LPARAM lp);

char szClassName[]="katachi";
int iWidth,iHeight;
HINSTANCE hInst;
double dlg_zx=1,dlg_zy=1;
double dlg_px,dlg_py;
double dlg_deg;

int WINAPI WinMain(HINSTANCE hCurInst,HINSTANCE hPrevInst,
				   LPSTR lpsCmdLine,int nCmdShow)
{
	MSG msg;
	BOOL bRet;

	hInst=hCurInst;

	if(!InitApp(hCurInst))
		return FALSE;
	if(!InitInstance(hCurInst,nCmdShow))
		return FALSE;
	while((bRet=GetMessage(&msg,NULL,0,0))!=0){
		if(bRet==-1){
			MessageBox(NULL,"GetMessageエラー","Error",MB_OK);
			break;
		}else{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}
	}
	return (int)msg.wParam;
}

ATOM InitApp(HINSTANCE hInst)
{
	WNDCLASSEX wc;
	wc.cbSize=sizeof(WNDCLASSEX);
	wc.style=CS_HREDRAW | CS_VREDRAW;
	wc.lpfnWndProc=WndProc;
	wc.cbClsExtra=0;
	wc.cbWndExtra=0;
	wc.hInstance=hInst;
	wc.hIcon=(HICON)LoadImage(NULL,
		MAKEINTRESOURCE(IDI_APPLICATION),
		IMAGE_ICON,
		0,0,
		LR_DEFAULTSIZE|LR_SHARED);
	wc.hCursor=(HCURSOR)LoadImage(NULL,
		MAKEINTRESOURCE(IDC_ARROW),
		IMAGE_CURSOR,
		0,0,
		LR_DEFAULTSIZE|LR_SHARED);
	wc.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
	wc.lpszMenuName="MYMENU";
	wc.lpszClassName=(LPCTSTR)szClassName;
	wc.hIconSm=(HICON)LoadImage(NULL,
		MAKEINTRESOURCE(IDI_APPLICATION),
		IMAGE_ICON,
		0,0,
		LR_DEFAULTSIZE|LR_SHARED);

	return RegisterClassEx(&wc);
}

BOOL InitInstance(HINSTANCE hInst,int nCmdShow)
{
	HWND hWnd;

	hWnd=CreateWindow(szClassName,
		"第１０章　形を変える",
		WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT,
		CW_USEDEFAULT,
		CW_USEDEFAULT,
		CW_USEDEFAULT,
		NULL,
		NULL,
		hInst,
		NULL);
	if(!hWnd)
		return FALSE;
	ShowWindow(hWnd,nCmdShow);
	UpdateWindow(hWnd);
	return TRUE;
}

LRESULT CALLBACK WndProc(HWND hWnd,UINT msg,WPARAM wp,LPARAM lp)
{
	static LPDWORD lpPixel,lpPixelTemp,lpPixelShow;
	static BMP_IO mybmp;

	static LPBITMAPINFO lpbiInfo;
	
	HDROP hDrop;
	char szFileName[256];

	HMENU hMenu;
	MENUITEMINFO mi;

	static double w,h;

	HDC hdc;
	PAINTSTRUCT ps;

	switch(msg){
		case WM_CREATE:
			DragAcceptFiles(hWnd,TRUE);
			w=1; h=1;
			break;
		case WM_DROPFILES:
			hDrop=(HDROP)wp;
			DragQueryFile(hDrop,0,szFileName,sizeof(szFileName));
			DragFinish(hDrop);

			if(!mybmp.bmp_in(szFileName,hWnd)) break;

			lpbiInfo=&mybmp.biInfo;
			lpPixel=mybmp.lpPixel;

			iWidth=mybmp.iWidth;
			iHeight=mybmp.iHeight;

			if(lpPixelShow!=NULL)
				HeapFree(GetProcessHeap(),0,lpPixelShow);
	
			lpPixelShow=(LPDWORD)HeapAlloc(GetProcessHeap(),
				HEAP_ZERO_MEMORY,2*iWidth*iHeight*sizeof(DWORD));
			lpPixelTemp=lpPixelShow+iWidth*iHeight;

			CopyMemory(lpPixelShow,lpPixel,iWidth*iHeight*sizeof(DWORD));

			w=1; h=1;

			InvalidateRect(hWnd,NULL,TRUE);
			break;
		case WM_PAINT:
			hdc=BeginPaint(hWnd,&ps);
			StretchDIBits(hdc,0,0,(int)(w*iWidth),(int)(h*iHeight),
				0,0,iWidth,iHeight,lpPixelShow,lpbiInfo,
				DIB_RGB_COLORS,SRCCOPY);
			EndPaint(hWnd,&ps);
			break;
		case WM_COMMAND:
			switch(LOWORD(wp)){
				case IDM_COPY:
					CopyDIB(hWnd,lpPixelShow);
					break;
				case IDM_PASTE:
					if(!mybmp.PasteDIBSection(hWnd)) break;

					lpbiInfo=&mybmp.biInfo;
					lpPixel=mybmp.lpPixel;

					iWidth=mybmp.iWidth;
					iHeight=mybmp.iHeight;

					if(lpPixelShow!=NULL)
						HeapFree(GetProcessHeap(),0,lpPixelShow);

					lpPixelShow=(LPDWORD)HeapAlloc(GetProcessHeap(),
						HEAP_ZERO_MEMORY,2*iWidth*iHeight*sizeof(DWORD));
					lpPixelTemp=lpPixelShow+iWidth*iHeight;

					CopyMemory(lpPixelShow,lpPixel,iWidth*iHeight*sizeof(DWORD));
					
					w=1; h=1;
					break;
				case IDM_NG:
					if(DialogBox(hInst,"MYDLG",hWnd,(DLGPROC)MyDlgProc)==IDOK){
						scale_ng(lpPixelShow,lpPixelTemp,dlg_zx,dlg_zy);
						CopyMemory(lpPixelShow,lpPixelTemp,iWidth*iHeight*sizeof(DWORD));
					}
					break;
				case IDM_NEAR:
					if(DialogBox(hInst,"MYDLG",hWnd,(DLGPROC)MyDlgProc)==IDOK){
						scale_near(lpPixelShow,lpPixelTemp,dlg_zx,dlg_zy);
						CopyMemory(lpPixelShow,lpPixelTemp,iWidth*iHeight*sizeof(DWORD));
					}
					break;
				case IDM_SCALE:
					if(DialogBox(hInst,"MYDLG",hWnd,(DLGPROC)MyDlgProc)==IDOK){
						scale(lpPixelShow,lpPixelTemp,dlg_zx,dlg_zy);
						CopyMemory(lpPixelShow,lpPixelTemp,iWidth*iHeight*sizeof(DWORD));
					}
					break;
				case IDM_SHIFT:
					if(DialogBox(hInst,"MYDLG",hWnd,(DLGPROC)MyDlgProc2)==IDOK){
						shift(lpPixelShow,lpPixelTemp,dlg_px,dlg_py);
						CopyMemory(lpPixelShow,lpPixelTemp,iWidth*iHeight*sizeof(DWORD));
					}
					break;
				case IDM_ROTATION:
					if(DialogBox(hInst,"MYDLG2",hWnd,(DLGPROC)MyDlgProc3)==IDOK){
						rotation(lpPixelShow,lpPixelTemp,dlg_deg);
						CopyMemory(lpPixelShow,lpPixelTemp,iWidth*iHeight*sizeof(DWORD));
					}
					break;
				case IDM_ORIGINAL:
					CopyMemory(lpPixelShow,lpPixel,iWidth*iHeight*4);
					break;
				case IDM_ZOOM1:
					w=1; h=1;
					break;
				case IDM_ZOOM2:
					w=2; h=2;
					break;
				case IDM_ZOOM3:
					w=3; h=3;
					break;
				case IDM_ZOOM4:
					w=4; h=4;
					break;
				case IDM_ZOOM02:
					w=1.0/2; h=1.0/2;
					break;
				case IDM_ZOOM03:
					w=1.0/3; h=1.0/3;
					break;
				case IDM_ZOOM04:
					w=1.0/4; h=1.0/4;
					break;
			}
			InvalidateRect(hWnd,NULL,TRUE);
			break;
		case WM_INITMENU:
			hMenu=GetMenu(hWnd);

			mi.cbSize=sizeof(MENUITEMINFO);
			mi.fMask=MIIM_STATE;
			
			if(IsClipboardFormatAvailable(CF_DIB)){
				mi.fState=MFS_ENABLED;
                SetMenuItemInfo(hMenu,IDM_PASTE,FALSE,&mi);
			}else{
				mi.fState=MFS_GRAYED;
                SetMenuItemInfo(hMenu,IDM_PASTE,FALSE,&mi);
			}

			if(w==1){
				mi.fState=MFS_CHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM1,FALSE,&mi);
			}else{
				mi.fState=MFS_UNCHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM1,FALSE,&mi);
			}
			if(w==2){
				mi.fState=MFS_CHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM2,FALSE,&mi);
			}else{
				mi.fState=MFS_UNCHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM2,FALSE,&mi);
			}
			if(w==3){
				mi.fState=MFS_CHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM3,FALSE,&mi);
			}else{
				mi.fState=MFS_UNCHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM3,FALSE,&mi);
			}
			if(w==4){
				mi.fState=MFS_CHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM4,FALSE,&mi);
			}else{
				mi.fState=MFS_UNCHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM4,FALSE,&mi);
			}
			if(w==1.0/2){
				mi.fState=MFS_CHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM02,FALSE,&mi);
			}else{
				mi.fState=MFS_UNCHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM02,FALSE,&mi);
			}
			if(w==1.0/3){
				mi.fState=MFS_CHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM03,FALSE,&mi);
			}else{
				mi.fState=MFS_UNCHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM03,FALSE,&mi);
			}
			if(w==1.0/4){
				mi.fState=MFS_CHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM04,FALSE,&mi);
			}else{
				mi.fState=MFS_UNCHECKED;
                SetMenuItemInfo(hMenu,IDM_ZOOM04,FALSE,&mi);
			}
			DrawMenuBar(hWnd);
			break;
		case WM_CLOSE:
			HeapFree(GetProcessHeap(),0,lpPixelShow);
			DestroyWindow(hWnd);
			break;
		case WM_DESTROY:
			PostQuitMessage(0);
			break;
		default:
			return DefWindowProc(hWnd,msg,wp,lp);
	}
	return 0;
}

LRESULT CALLBACK MyDlgProc(HWND hDlg,UINT msg,WPARAM wp,LPARAM lp)
{
	static HWND hEdit1,hEdit2,hUpdown1,hUpdown2;
	double x,y;
	char str[32];
	LPNMUPDOWN lpnmud;

	switch(msg){
		case WM_INITDIALOG:
			x=dlg_zx;
			y=dlg_zy;

			hEdit1=GetDlgItem(hDlg,IDC_EDIT1);
			hEdit2=GetDlgItem(hDlg,IDC_EDIT2);
			hUpdown1=GetDlgItem(hDlg,IDC_SPIN1);
			hUpdown2=GetDlgItem(hDlg,IDC_SPIN2);

			sprintf(str,"%lf",x);
			SetWindowText(hEdit1,str);
			sprintf(str,"%lf",y);
			SetWindowText(hEdit2,str);
			return TRUE;
		case WM_NOTIFY:
			if(wp==(WPARAM)IDC_SPIN1){
                lpnmud=(LPNMUPDOWN)lp;
                if(lpnmud->hdr.code==UDN_DELTAPOS){
					GetWindowText(hEdit1,str,(int)sizeof(str));
					x=atof(str);
                    if((lpnmud->iDelta)<0) x+=0.01;
					else if((lpnmud->iDelta)>0) x-=0.01;
					sprintf(str,"%lf",x);
					SetWindowText(hEdit1,str);
					return TRUE;
                }
            }else if(wp==(WPARAM)IDC_SPIN2){
                lpnmud=(LPNMUPDOWN)lp;
                if(lpnmud->hdr.code==UDN_DELTAPOS){
					GetWindowText(hEdit2,str,(int)sizeof(str));
					y=atof(str);
                    if((lpnmud->iDelta)<0) y+=0.01;
					else if((lpnmud->iDelta)>0) y-=0.01;
					sprintf(str,"%lf",y);
					SetWindowText(hEdit2,str);
					return TRUE;
                }
            }
            return FALSE;
		case WM_COMMAND:
			switch(LOWORD(wp)){
				case IDOK:
					GetWindowText(hEdit1,str,(int)sizeof(str));
					dlg_zx=atof(str);
					GetWindowText(hEdit2,str,(int)sizeof(str));
					dlg_zy=atof(str);
					EndDialog(hDlg,IDOK);
					return TRUE;
				case IDCANCEL:
					EndDialog(hDlg,IDCANCEL);
					return TRUE;
			}
			return FALSE;
	}
	return FALSE;
}

LRESULT CALLBACK MyDlgProc2(HWND hDlg,UINT msg,WPARAM wp,LPARAM lp)
{
	static HWND hEdit1,hEdit2,hUpdown1,hUpdown2;
	double x,y;
	char str[32];
	LPNMUPDOWN lpnmud;

	switch(msg){
		case WM_INITDIALOG:
			x=dlg_px;
			y=dlg_py;

			hEdit1=GetDlgItem(hDlg,IDC_EDIT1);
			hEdit2=GetDlgItem(hDlg,IDC_EDIT2);
			hUpdown1=GetDlgItem(hDlg,IDC_SPIN1);
			hUpdown2=GetDlgItem(hDlg,IDC_SPIN2);

			sprintf(str,"%lf",x);
			SetWindowText(hEdit1,str);
			sprintf(str,"%lf",y);
			SetWindowText(hEdit2,str);
			return TRUE;
		case WM_NOTIFY:
			if(wp==(WPARAM)IDC_SPIN1){
                lpnmud=(LPNMUPDOWN)lp;
                if(lpnmud->hdr.code==UDN_DELTAPOS){
					GetWindowText(hEdit1,str,(int)sizeof(str));
					x=atof(str);
                    if((lpnmud->iDelta)<0) x+=0.01;
					else if((lpnmud->iDelta)>0) x-=0.01;
					sprintf(str,"%lf",x);
					SetWindowText(hEdit1,str);
					return TRUE;
                }
            }else if(wp==(WPARAM)IDC_SPIN2){
                lpnmud=(LPNMUPDOWN)lp;
                if(lpnmud->hdr.code==UDN_DELTAPOS){
					GetWindowText(hEdit2,str,(int)sizeof(str));
					y=atof(str);
                    if((lpnmud->iDelta)<0) y+=0.01;
					else if((lpnmud->iDelta)>0) y-=0.01;
					sprintf(str,"%lf",y);
					SetWindowText(hEdit2,str);
					return TRUE;
                }
            }
            return FALSE;
		case WM_COMMAND:
			switch(LOWORD(wp)){
				case IDOK:
					GetWindowText(hEdit1,str,(int)sizeof(str));
					dlg_px=atof(str);
					GetWindowText(hEdit2,str,(int)sizeof(str));
					dlg_py=atof(str);
					EndDialog(hDlg,IDOK);
					return TRUE;
				case IDCANCEL:
					EndDialog(hDlg,IDCANCEL);
					return TRUE;
			}
			return FALSE;
	}
	return FALSE;
}

LRESULT CALLBACK MyDlgProc3(HWND hDlg,UINT msg,WPARAM wp,LPARAM lp)
{
	static HWND hEdit1,hUpdown1;
	double deg;
	char str[32];
	LPNMUPDOWN lpnmud;

	switch(msg){
		case WM_INITDIALOG:
			deg=dlg_deg;

			hEdit1=GetDlgItem(hDlg,IDC_EDIT1);
			hUpdown1=GetDlgItem(hDlg,IDC_SPIN1);

			sprintf(str,"%lf",deg);
			SetWindowText(hEdit1,str);
			return TRUE;
		case WM_NOTIFY:
			if(wp==(WPARAM)IDC_SPIN1){
                lpnmud=(LPNMUPDOWN)lp;
                if(lpnmud->hdr.code==UDN_DELTAPOS){
					GetWindowText(hEdit1,str,(int)sizeof(str));
					deg=atof(str);
                    if((lpnmud->iDelta)<0) deg+=0.01;
					else if((lpnmud->iDelta)>0) deg-=0.01;
					sprintf(str,"%lf",deg);
					SetWindowText(hEdit1,str);
					return TRUE;
                }
			}
            return FALSE;
		case WM_COMMAND:
			switch(LOWORD(wp)){
				case IDOK:
					GetWindowText(hEdit1,str,(int)sizeof(str));
					dlg_deg=atof(str);
					EndDialog(hDlg,IDOK);
					return TRUE;
				case IDCANCEL:
					EndDialog(hDlg,IDCANCEL);
					return TRUE;
			}
			return FALSE;
	}
	return FALSE;
}