三個函數，垂直鏡像、水平鏡像、自定義鏡像。
[cpp]
void CDIGTLSView::OnMirrorVertical() //垂直鏡像
//程序編制：李立宗 [email protected]
// 2012-8-6
{
if(myImage1.IsNull())
OnOpenResourceFile();
if(myImage2.IsNull()){
//myImage2.Destroy();
myImage2.Create(myImage1.GetWidth(),myImage1.GetHeight(),24,0);
}
COLORREF pixel;
int maxY = myImage1.GetHeight();
int maxX=myImage1.GetWidth();
int r,g,b,avg;
double c;
byte* pRealData;
byte* pRealData2;
pRealData=(byte*)myImage1.GetBits();
pRealData2=(byte*)myImage2.GetBits();
int pit=myImage1.GetPitch();
int pit2=myImage2.GetPitch();
//需要注意,pit和pit2的值並不一樣,所以如果使用一個值,會導致不同的結果出現
//CString str;
//str.Format(TEXT("%d"),pit2);
//MessageBox(str);
//str.Format(TEXT("%d"),pit2);
//MessageBox(str);
int bitCount=myImage1.GetBPP()/8;
int bitCount2=myImage2.GetBPP()/8;
//CString str;
//str.Format(TEXT("%d"),bitCount);
//MessageBox(str);
//str.Format(TEXT("%d"),bitCount2);
//MessageBox(str);
int newValue;
int tempR,tempG,tempB;
int key1,key2; //用來控制方向
//srand((unsigned)time(NULL));
//key1=rand()%100;
//key2=rand()%100;
//if(key1>50)
// key1=-1;
//else
// key1=1;
//if(key2<50)
// key2=1;
//else
// key2=-1;
//int xTrans=key1*rand()%(int)(maxX/1.5)+1;
//int yTrans=key2*rand()%(int)(maxY/1.5)+1;
//說明：將生產的圖像作為24位圖處理。
for (int y=0; y<maxY; y++) {
for (int x=0; x<maxX; x++) {
if((maxY-1-y>=0)&&(maxY-1-y<=maxY))
{ tempR=(int)(int)(*(pRealData+pit*(maxY-1-y)+x*bitCount));
if(bitCount==1)
{tempG=tempR;
tempB=tempR;}
else
{
tempG=(int)(int)(*(pRealData+pit*(maxY-1-y)+x*bitCount+1));
tempB=(int)(int)(*(pRealData+pit*(maxY-1-y)+x*bitCount+2));
}
}
else
{
tempR=255;
tempG=0;
tempB=0;
}
*(pRealData2+pit2*y+x*bitCount2)=tempR;
*(pRealData2+pit2*y+x*bitCount2+1)=tempG;
*(pRealData2+pit2*y+x*bitCount2+2)=tempB;
}
}
Invalidate();
}
void CDIGTLSView::OnMirrorHorizental() //水平鏡像
{
if(myImage1.IsNull())
OnOpenResourceFile();
if(myImage2.IsNull()){
//myImage2.Destroy();
myImage2.Create(myImage1.GetWidth(),myImage1.GetHeight(),24,0);
}
COLORREF pixel;
int maxY = myImage1.GetHeight();
int maxX=myImage1.GetWidth();
int r,g,b,avg;
double c;
byte* pRealData;
byte* pRealData2;
pRealData=(byte*)myImage1.GetBits();
pRealData2=(byte*)myImage2.GetBits();
int pit=myImage1.GetPitch();
int pit2=myImage2.GetPitch();
//需要注意,pit和pit2的值並不一樣,所以如果使用一個值,會導致不同的結果出現
//CString str;
//str.Format(TEXT("%d"),pit2);
//MessageBox(str);
//str.Format(TEXT("%d"),pit2);
//MessageBox(str);
int bitCount=myImage1.GetBPP()/8;
int bitCount2=myImage2.GetBPP()/8;
//CString str;
//str.Format(TEXT("%d"),bitCount);
//MessageBox(str);
//str.Format(TEXT("%d"),bitCount2);
//MessageBox(str);
int newValue;
int tempR,tempG,tempB;
int key1,key2; //用來控制方向
//srand((unsigned)time(NULL));
//key1=rand()%100;
//key2=rand()%100;
//if(key1>50)
// key1=-1;
//else
// key1=1;
//if(key2<50)
// key2=1;
//else
// key2=-1;
//int xTrans=key1*rand()%(int)(maxX/1.5)+1;
//int yTrans=key2*rand()%(int)(maxY/1.5)+1;
//說明：將生產的圖像作為24位圖處理。
for (int y=0; y<maxY; y++) {
for (int x=0; x<maxX; x++) {
if((maxX-1-x>=0)&&(maxX-1-x<=maxX))
{ tempR=(int)(int)(*(pRealData+pit*y+(maxX-1-x)*bitCount));
if(bitCount==1)
{tempG=tempR;
tempB=tempR;}
else
{
tempG=(int)(int)(*(pRealData+pit*y+(maxX-1-x)*bitCount+1));
tempB=(int)(int)(*(pRealData+pit*y+(maxX-1-x)*bitCount+2));
}
}
else
{
tempR=255;
tempG=0;
tempB=0;
}
*(pRealData2+pit2*y+x*bitCount2)=tempR;
*(pRealData2+pit2*y+x*bitCount2+1)=tempG;
*(pRealData2+pit2*y+x*bitCount2+2)=tempB;
}
}
Invalidate();
}
void CDIGTLSView::OnMirrorCustome() //自定義水平、垂直鏡像
{
if(myImage1.IsNull())
OnOpenResourceFile();
CMyMirror myDlg;
int myAngle;
if(myDlg.DoModal () == IDOK)
{ www.2cto.com
myAngle=myDlg.myMirror;
// CString str;
//str.Format(TEXT("%d"),myAngle);
//MessageBox(str);
if(myAngle==0)
OnMirrorHorizental();
else
OnMirrorVertical();
}
else
{
myImage2.Destroy();
Invalidate();
}
}
作者：superdont
