?? dynsplitview2.cpp
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// DynSplitView2.cpp : implementation file
//
#include "stdafx.h"
#include "DSplit.h"
#include "DynSplitView2.h"
#include "DlgPingYi.h"
#include "DlgSuoFang.h"
#include "math.h"
#include "DlgXuanZhuan.h"
#include "JiHeBianHuanDib.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CDynSplitView2
IMPLEMENT_DYNCREATE(CDynSplitView2, CView)
CDynSplitView2::CDynSplitView2()
{
state2=0;
state3=1;
}
/*初始化圖像數據*/
void CDynSplitView2::clearmem()
{
CDSplitDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
pDoc ->statedoc=0;
state2=1;
CDibNew1=&pDoc->CDibNew;
CDib1=&pDoc->CDib;
long int size;
if(CDibNew1->m_pBitmapInfoHeader->biBitCount<9)
size=CDib1->GetHeight()*CDib1->GetWidth();
else
size=CDib1->GetHeight()*CDib1->GetWidth()*3;
memcpy(CDibNew1->m_pData,CDib1->m_pData,size);
CDibNew1->SetHeight(CDib1->GetHeight());
CDibNew1->SetWidth(CDib1->GetWidth());
}
CPalette * CDynSplitView2::CreateBitmapPalette(JiHeBianHuanDib * pBitmap)
{
struct
{
WORD Version;
WORD NumberOfEntries;
PALETTEENTRY aEntries[256];
} palette = { 0x300, 256 };
LPRGBQUAD pRGBTable = pBitmap->GetRGB();
UINT numberOfColors = pBitmap->GetNumberOfColors();
for(UINT x=0; x<numberOfColors; ++x)
{
palette.aEntries[x].peRed =
pRGBTable[x].rgbRed;
palette.aEntries[x].peGreen =
pRGBTable[x].rgbGreen;
palette.aEntries[x].peBlue =
pRGBTable[x].rgbBlue;
palette.aEntries[x].peFlags = 0;
}
hPalette.CreatePalette((LPLOGPALETTE)&palette);
return &hPalette;
}
CDynSplitView2::~CDynSplitView2()
{
}
CDSplitDoc* CDynSplitView2::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDSplitDoc)));
return (CDSplitDoc*)m_pDocument;
}
BEGIN_MESSAGE_MAP(CDynSplitView2, CView)
//{{AFX_MSG_MAP(CDynSplitView2)
ON_WM_ERASEBKGND()
ON_COMMAND(ID_FILESAVE, OnFilesave)
ON_COMMAND(ID_Tuxiangpingyi, OnTuxiangpingyi)
ON_COMMAND(ID_Shuipingjingxiang, OnShuipingjingxiang)
ON_COMMAND(ID_Chuizhijingxiang, OnChuizhijingxiang)
ON_COMMAND(ID_Zhuanzhi, OnZhuanzhi)
ON_COMMAND(ID_Xuanzhuan, OnXuanzhuan)
ON_COMMAND(ID_Fangda, OnFangda)
ON_COMMAND(ID_SuoXiao, OnSuoXiao)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDynSplitView2 drawing
void CDynSplitView2::OnDraw(CDC* pDC)
{
CDSplitDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if(!pDoc ->statedoc&&state2==1)
{
BYTE* pBitmapData = CDibNew1->GetData();
LPBITMAPINFO pBitmapInfo = CDibNew1->GetInfo();
int bitmapHeight = CDibNew1->GetHeight();
int bitmapWidth = CDibNew1->GetWidth();
int scaledWidth = (int)(bitmapWidth * 1);
int scaledHeight = (int)(bitmapHeight * 1);
if (CDibNew1->GetRGB()) // Has a color table
{
CPalette * hPalette1=CreateBitmapPalette(CDibNew1);
CPalette * hOldPalette =
pDC->SelectPalette(hPalette1, true);
pDC->RealizePalette();
::StretchDIBits(pDC->GetSafeHdc(),0,0, bitmapWidth, bitmapHeight,
0, 0, bitmapWidth , bitmapHeight ,
pBitmapData, pBitmapInfo,
DIB_RGB_COLORS, SRCCOPY);
pDC->SelectPalette(hOldPalette, true);
hPalette.DeleteObject();
CDibNew1->SetWidth(bitmapWidth);
CDibNew1->SetHeight(bitmapHeight);
}
else
{
::StretchDIBits(pDC->GetSafeHdc(),
0, 0, scaledWidth, scaledHeight,
0, 0, bitmapWidth, bitmapHeight,
pBitmapData, pBitmapInfo,
DIB_RGB_COLORS, SRCCOPY);
CDibNew1->SetWidth(bitmapWidth);
CDibNew1->SetHeight(bitmapHeight);
}
}
}
/////////////////////////////////////////////////////////////////////////////
// CDynSplitView2 diagnostics
#ifdef _DEBUG
void CDynSplitView2::AssertValid() const
{
CView::AssertValid();
}
void CDynSplitView2::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CDynSplitView2 message handlers
BOOL CDynSplitView2::OnEraseBkgnd(CDC* pDC)
{
CRect rect;
GetClientRect(&rect);
pDC->FillSolidRect(&rect,::GetSysColor(COLOR_WINDOW));
return TRUE;
}
void CDynSplitView2::OnFilesave()
{
CFileDialog dlg(FALSE,_T("BMP"),_T("*.BMP"),OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,_T("位圖文件(*.BMP)|*.BMP|"));
if(IDOK==dlg.DoModal())
CString filename;
filename.Format ("%s",dlg.GetPathName() );
CDibNew1->SaveFile(filename);
state2=1;
Invalidate();
}
/*平移消息映射*/
void CDynSplitView2::OnTuxiangpingyi()
{
int x,y;
if(state3==0)
CDibNew1->clearmem2();
MessageBox("正數表示右移量或下移量，負數表示左移量或上移量");
//初始化圖像數據
clearmem();
// 創建對話框
CDlgPingYi dlg;
dlg.m_Xmove=10;
dlg.m_Ymove=10;
// 顯示對話框，提示用戶設定窗口上下限
if (dlg.DoModal() != IDOK)
return;// 返回
x=dlg.m_Xmove;
y=dlg.m_Ymove;
// 刪除對話框
delete dlg;
CDibNew1->PingYi(x,y);
Invalidate(); //調用刷新函數
state3=1;
}
/*水平鏡像消息映射*/
void CDynSplitView2::OnShuipingjingxiang()
{
clearmem();
CDibNew1->JingXiang(TRUE); //調用水平鏡像處理函數
Invalidate(); //調用刷新函數
}
/*垂直鏡像消息映射*/
void CDynSplitView2::OnChuizhijingxiang()
{
clearmem();
CDibNew1->JingXiang(FALSE); //調用垂直鏡像處理函數
Invalidate(); //調用刷新函數
}
/*轉置消息映射*/
void CDynSplitView2::OnZhuanzhi()
{
clearmem();
CDibNew1->Zhuanzhi(); //調用轉置處理函數
Invalidate(); //調用刷新函數
state3=0;
}
void CDynSplitView2::OnXuanzhuan()
{
MessageBox("角度應為90度的整數倍，且圖像的高和寬需相同");
clearmem();
int iRotateAngle; // 旋轉角度
CDlgXuanZhuan dlg; // 創建對話框
dlg.m_iRotateAngle = 90; // 初始化變量值
// 顯示對話框，提示用戶設定旋轉角度
if (dlg.DoModal() != IDOK)
{
return;// 返回
}
// 獲取用戶設定的旋轉量
iRotateAngle = dlg.m_iRotateAngle;
CDibNew1->Xuanzhuan(iRotateAngle);
this->Invalidate();
}
//圖像放大消息映射
void CDynSplitView2::OnFangda()
{
if(state3==0)
CDibNew1->clearmem2();
clearmem();
float xzoom,yzoom;
CDlgSuoFang dlg; // 定義對話框
dlg.m_XZoom=2.0;
dlg.m_YZoom=2.0;
// 顯示對話框，提示用戶設定窗口上下限
if (dlg.DoModal() != IDOK)
{
return; // 返回
}
xzoom=dlg.m_XZoom;
yzoom=dlg.m_YZoom;
delete dlg; // 刪除對話框
// 源圖像的寬度和高度
LONG wide;
LONG height;
// 縮放后圖像的寬度和高度
LONG newwide;
LONG newheight;
LONG newLineBytes;
LPBYTE temp;
// 獲取圖像的寬度和高度
wide = CDibNew1->GetWidth();
height = CDibNew1->GetHeight();
if(CDibNew1->m_pBitmapInfoHeader->biBitCount<9)
{
// 計算縮放后的圖像寬度和高度
newwide = (LONG) (wide * xzoom +0.5);
newheight = (LONG) (height * yzoom+0.5);
newLineBytes=(newwide*8+31)/32*4;
// 分配內存，以保存新DIB
temp = new BYTE[ newLineBytes * newheight ];
memset(temp,0,newLineBytes * newheight);
CDibNew1->m_pData=CDibNew1->FangDa(temp,xzoom,yzoom,wide,height,newLineBytes,newheight);
CDibNew1->SetWidth(newwide);
CDibNew1->SetHeight(newheight);
Invalidate(); //調用刷新函數
}
else
{
// 計算縮放后的圖像寬度和高度
newwide = (LONG) (wide * xzoom*3);
newheight = (LONG) (height * yzoom);
// 分配內存，以保存新DIB
temp = new BYTE[ newwide * newheight];
memset(temp,0,newwide * newheight);
CDibNew1->m_pData=CDibNew1->FangDa(temp,xzoom,yzoom,wide,height,newwide,newheight);
CDibNew1->SetWidth(newwide/3);
CDibNew1->SetHeight(newheight);
Invalidate(); //調用刷新函數
}
}
//圖像縮小消息映射
void CDynSplitView2::OnSuoXiao()
{
if(state3==0)
CDibNew1->clearmem2();
float x,y; //縮小倍數
clearmem();
CDlgSuoFang dlg; //創建對話框
dlg.m_XZoom=0.5;
dlg.m_YZoom=0.5;
// 顯示對話框，提示用戶設定窗口上下限
if (dlg.DoModal() != IDOK)
{
return; //返回
}
x=dlg.m_XZoom;
y=dlg.m_YZoom;
delete dlg; //刪除對話框
CDibNew1->SuoXiao( x, y ); //調用縮小處理函數
Invalidate(); //調用刷新函數
state3=1;
}
void CDynSplitView2::clearmem(float xzoom, float yzoom)
{
CDSplitDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
pDoc->statedoc=0;
state2=1;
CDibNew1=&pDoc->CDibNew;
CDib1=&pDoc->CDib;
long int size=CDib1->GetHeight()*CDib1->GetDibWidthBytes()*xzoom;
memcpy(CDibNew1->m_pData,CDib1->m_pData,size);
}
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