一、图像锐化处理
//图像锐化处理
void CGDIEffectSampleView::OnMenuitemRuihua()
{
Status status = GenericError;
Graphics graphics(m_hWnd);
status = graphics.GetLastStatus();
if (status != Ok)
return;
Bitmap oldBitmap(L"girl.JPG");
status = oldBitmap.GetLastStatus();
if (status != Ok)
return;
UINT width = oldBitmap.GetWidth();
UINT height = oldBitmap.GetHeight();
Bitmap newBitmap(width, height);
Color pixel1, pixel2, pixel;
graphics.DrawImage(&oldBitmap, 10, 0, width, height);
int Laplacian[] ={ -1, -1, -1, -1, 9, -1, -1, -1, -1 };//拉普拉斯模板
for (int x = 1; x < (int)width - 1; x++)
{
for (int y = 1; y < (int)height - 1; y++)
{
int r = 0, g = 0, b = 0;
int Index = 0;
for (int col = -1; col <= 1; col++)
for (int row = -1; row <= 1; row++)
{
oldBitmap.GetPixel(x + row, y + col, &pixel);
r += pixel.GetRed() * Laplacian[Index];
g += pixel.GetGreen() * Laplacian[Index];
b += pixel.GetBlue() * Laplacian[Index];
Index++;
}
if ( r > 255 ) r = 255;
else if ( r < 0 ) r = -r;
if ( g > 255 ) g = 255;
else if ( g < 0 ) g = -g;
if ( b > 255 ) b = 255;
else if ( b < 0 ) b = -b;
pixel.SetFromCOLORREF(RGB(r, g, b));
newBitmap.SetPixel(x - 1, y - 1, pixel);
}
}
graphics.DrawImage(&newBitmap, width+20, 0, width, height);
}
二、图像柔化处理
//图像柔化处理
void CGDIEffectSampleView::OnMenuitemRouhua()
{
Status status = GenericError;
Graphics graphics(m_hWnd);
status = graphics.GetLastStatus();
if (status != Ok) return;
Bitmap oldBitmap(L"girl.JPG");
status = oldBitmap.GetLastStatus();
if (status != Ok) return;
UINT width = oldBitmap.GetWidth();
UINT height = oldBitmap.GetHeight();
Bitmap newBitmap(width, height);
Color pixel1, pixel2, pixel;
graphics.DrawImage(&oldBitmap, 10, 0, width, height);
int smoothGauss[9] = {1,2,1,2,4,2,1,2,1}; // 高斯模板
for (int x = 1; x < (int)width - 1; x++)
{
for (int y = 1; y < (int)height - 1; y++)
{
int r = 0, g = 0, b = 0;
int Index = 0;
for (int col = -1; col <= 1; col++)
for (int row = -1; row <= 1; row++)
{
oldBitmap.GetPixel(x + row, y + col, &pixel);
r += pixel.GetRed() * smoothGauss[Index];
g += pixel.GetGreen() * smoothGauss[Index];
b += pixel.GetBlue() * smoothGauss[Index];
Index++;
}
r = (r/16);
g = (g/16);
b = (b/16);
if ( r > 255 ) r = 255;
else if ( r < 0 ) r = -r;
if ( g > 255 ) g = 255;
else if ( g < 0 ) g = -g;
if ( b > 255 ) b = 255;
else if ( b < 0 ) b = -b;
pixel.SetFromCOLORREF(RGB(r, g, b));
newBitmap.SetPixel(x - 1, y - 1, pixel);
}
}
graphics.DrawImage(&newBitmap, width+20, 0, width, height);
}
三、图像反色处理
//图像反色处理
void CGDIEffectSampleView::OnMenuitemFanse()
{
//创建反色图像的颜色矩阵
ColorMatrix colorMatrix = {
-1.0f, 0.0f, 0.0f, 0.0f, 0.0f,
0.0f, -1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, -1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f};
Status status = GenericError;
Graphics graphics(m_hWnd);
status = graphics.GetLastStatus();
if (status != Ok) return;
Image image(L"girl.JPG");
status = image.GetLastStatus();
if (status != Ok) return;
UINT width = image.GetWidth();
UINT height = image.GetHeight();
ImageAttributes imageAttributes;
Rect destRect1(width+20, 10, width, height);
imageAttributes.SetColorMatrix(&colorMatrix,ColorMatrixFlagsDefault,ColorAdjustTypeBitmap);
graphics.DrawImage(&image, 10, 10, width, height);
graphics.DrawImage(&image, destRect1, 0, 0, width, height, UnitPixel,&imageAttributes);
}
四、图像灰度处理
//图像灰度处理
void CGDIEffectSampleView::OnMenuitemHuidu()
{
//创建灰度图像的颜色矩阵
ColorMatrix colorMatrix = {
0.299f, 0.299f, 0.299f, 0.0f, 0.0f,
0.587f, 0.587f, 0.587f, 0.0f, 0.0f,
0.114f, 0.114f, 0.114f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f, 1.0f};
Status status = GenericError;
Graphics graphics(m_hWnd);
status = graphics.GetLastStatus();
if (status != Ok) return;
Image image(L"girl.JPG");
status = image.GetLastStatus();
if (status != Ok) return;
UINT width = image.GetWidth();
UINT height = image.GetHeight();
ImageAttributes imageAttributes;
Rect destRect1(width+20, 10, width, height);
imageAttributes.SetColorMatrix(&colorMatrix,ColorMatrixFlagsDefault,ColorAdjustTypeBitmap);
graphics.DrawImage(&image, 10, 10, width, height);
graphics.DrawImage(&image, destRect1, 0, 0, width, height, UnitPixel, &imageAttributes);
}
五、图像浮雕处理
//图像浮雕效果
void CGDIEffectSampleView::OnMenuitemFudiao()
{
Status status = GenericError;
Graphics graphics(m_hWnd);
status = graphics.GetLastStatus();
if (status != Ok) return;
Bitmap oldBitmap(L"girl.JPG");
status = oldBitmap.GetLastStatus();
if (status != Ok) return;
UINT width = oldBitmap.GetWidth();
UINT height = oldBitmap.GetHeight();
Bitmap newBitmap(width, height);
Color pixel1, pixel2, pixel;
graphics.DrawImage(&oldBitmap, 10, 0, width, height);
for (int x = 0; x < (int)width-1; x++)
{
for (int y = 0; y < (int)height-1; y++)
{
int r = 0, g = 0, b = 0;
oldBitmap.GetPixel(x, y, &pixel1);
oldBitmap.GetPixel(x + 1, y + 1, &pixel2);
r = abs(pixel1.GetRed() - pixel2.GetRed() + 128);
g = abs(pixel1.GetGreen() - pixel2.GetGreen() + 128);
b = abs(pixel1.GetBlue() - pixel2.GetBlue() + 128);
if (r > 255) r = 255;
if (r < 0) r = 0;
if (g > 255) g = 255;
if (g < 0) g = 0;
if (b > 255) b = 255;
if (b < 0) b = 0;
pixel.SetFromCOLORREF(RGB(r, g, b));
newBitmap.SetPixel(x, y, pixel);
}
}
graphics.DrawImage(&newBitmap, width+20, 0, width, height);
}
六、图像翻转
//图像翻转
void CGDIEffectSampleView::OnMenuitemReserve()
{
Status status = GenericError;
Graphics graphics(m_hWnd);
status = graphics.GetLastStatus();
if (status != Ok) return;
Image image(L"girl.JPG");
status = image.GetLastStatus();
if (status != Ok) return;
UINT width = image.GetWidth();
UINT height = image.GetHeight();
graphics.DrawImage(&image, 10, 0, width, height);
image.RotateFlip(Rotate180FlipX);
width = image.GetWidth();
height = image.GetHeight();
graphics.DrawImage(&image, 20 + width, 0, width, height);
}
七、图像缩放
//图像缩放
void CGDIEffectSampleView::OnMenuitemResize()
{
Status status = GenericError;
Graphics graphics(m_hWnd);
status = graphics.GetLastStatus();
if (status != Ok) return;
Image image(L"girl.JPG");
status = image.GetLastStatus();
if (status != Ok) return;
UINT width = image.GetWidth();
UINT height = image.GetHeight();
graphics.DrawImage(&image, 0, 0, width, height);
graphics.DrawImage(&image, width, 0, (int)0.75 * width, (int)0.75 * height);
}
八、图像剪切
//图片剪切
void CGDIEffectSampleView::OnMenuitemCut()
{
Status status = GenericError;
Graphics graphics(m_hWnd);
status = graphics.GetLastStatus();
if (status != Ok) return;
Image image(L"girl.JPG");
status = image.GetLastStatus();
if (status != Ok) return;
UINT width = image.GetWidth();
UINT height = image.GetHeight();
Rect destRect1(width+20, 20, 30, 30); //小范围
Rect destRect2(width+20, 100, 120, 120); //大范围
graphics.DrawImage(&image, 0, 0, width, height);//原始图像
graphics.DrawImage(&image, destRect1, 87, 123, 35, 35, UnitPixel);//缩小剪切
graphics.SetInterpolationMode(InterpolationModeHighQualityBilinear);
graphics.DrawImage(&image, destRect2, 87, 123, 35, 35, UnitPixel);//放大剪切
}
九、图像马赛克
//图片马赛克效果
void CGDIEffectSampleView::OnMenuitemMasaike()
{
Status status = GenericError;
Graphics graphics(m_hWnd);
status = graphics.GetLastStatus();
if (status != Ok) return;
graphics.Clear(Color::White);
Image image(L"girl.JPG");
status = image.GetLastStatus();
if (status != Ok) return;
UINT width = image.GetWidth();
UINT height = image.GetHeight();
int dw = width / 50;
int dh = height / 50;
int points[2500]={0};
int nCount=0;
while(nCount < 2500)
{
int index = rand()%00;
if (points[index] == 0)
{
nCount ++;
points[index] = 1;
int m = index/50;
int n = indexP;
Rect destRect(dw*m, dh*n, (m+1)*dw, (n+1)*dh);
graphics.DrawImage(&image, destRect, dw*m, dh*n, (m+1)*dw, (n+1)*dh, UnitPixel);
}
Sleep(10);
}
}
十、垂直百叶窗
//垂直百叶窗显示图片
void CGDIEffectSampleView::OnMenuitemVbaiye()
{
Status status = GenericError;
Graphics graphics(m_hWnd);
status = graphics.GetLastStatus();
if (status != Ok) return;
graphics.Clear(Color::White);
Image image(L"girl.JPG");
status = image.GetLastStatus();
if (status != Ok) return;
UINT width = image.GetWidth();
UINT height = image.GetHeight();
int nPixes = 15;
int nNum = width/nPixes;
for (int i = 0;i <nPixes; i++)
{
for(int j=0;j<nNum;j++)
{ //分别扫描每条
Rect destRect1(0, j*nPixes+i, width, 1);
graphics.DrawImage(&image, destRect1, 0, j*nPixes+i, width, 1, UnitPixel);
}
Sleep(50);
}
}
十一、水平百叶窗
//水平百叶窗显示图片
void CGDIEffectSampleView::OnMenuitemHbaiye()
{
Status status = GenericError;
Graphics graphics(m_hWnd);
status = graphics.GetLastStatus();
if (status != Ok) return;
graphics.Clear(Color::White);
Image image(L"girl.JPG");
status = image.GetLastStatus();
if (status != Ok) return;
UINT width = image.GetWidth();
UINT height = image.GetHeight();
int nPixes = 30;
int nNum = width/nPixes;
for (int i = 0;i <nPixes; i++)
{
for(int j=0;j<nNum;j++)
{//分别扫描每条
Rect destRect1(j*nPixes+i, 0, 1, height);
graphics.DrawImage(&image, destRect1, j*nPixes+i, 0, 1, height, UnitPixel);
}
Sleep(10);
}
}
