private void Destimage_Loaded(object sender, RoutedEventArgs e)
{
CutImageClass cuter = new CutImageClass(new System.Drawing.Bitmap("pic1.jpg"), new System.Drawing.Rectangle(0, 0, 364, 240), 215);
var GenerImage = cuter
.MakeThumbnail(364, 240) //可选，压缩当前结果
.MakeVisualAttentionBitmap() //建议，制作显著图
.MakeCutBitmap() //制作切图
.OutputCurrentDestImage(); //输出
MemoryStream ms2 = new MemoryStream();
ms2.Seek(0, SeekOrigin.Begin);
GenerImage.Save(ms2, ImageFormat.Jpeg);
GenerImage.Dispose();
BitmapImage FinBitImage = new BitmapImage();
FinBitImage.BeginInit();
ms2.Seek(0, SeekOrigin.Begin);
FinBitImage.CacheOption = BitmapCacheOption.OnLoad;
FinBitImage.StreamSource = ms2;
FinBitImage.EndInit();
FinBitImage.Freeze();
ms2.Dispose();
destimage.Source = FinBitImage;
}
/// <summary>
/// 获取显著图片
/// </summary>
/// <param name="filepath">图片文件流</param>
/// <param name="prewidth">预处理后的宽</param>
/// <param name="preheight">预处理后的高</param>
/// <param name="premode">预处理时的压缩方式</param>
/// <param name="pretype">预处理图片后的类型</param>
/// <param name="R">最终切割大小</param>
/// <param name="Tolerance">切割阙值（切图时判断是否连续的亮度边界，越大越严格）</param>
/// <returns></returns>
public Bitmap GetSRDFromStream(Stream InImageStream,
double prewidth, double preheight, string premode, string pretype,
Rectangle R,
int Tolerance = 200)
{
if (R == null)
{
R = new System.Drawing.Rectangle(0, 0, 256, 256);
}
MemoryStream ms_out = new MemoryStream();
Bitmap Srcbitmap = new Bitmap(InImageStream);
//压缩尺寸以加快速度
BasicMethodClass.MakeThumbnail(Srcbitmap, ms_out, Math.Min(prewidth, Srcbitmap.Width), Math.Min(preheight, Srcbitmap.Height), premode, pretype);
if (InImageStream == null)
{
throw new Exception("not expectation result");
}
if (ms_out == null)
{
return(null);
}
var vdcSrcBitmap = new Bitmap(ms_out);
ms_out.Dispose();
var vdcmap = VisualAttentionDetectionClass.SalientRegionDetectionBasedOnFT(vdcSrcBitmap);
if (R.Width > Srcbitmap.Width || R.Height > Srcbitmap.Height)
{//格式化输出图片尺寸
ms_out = new MemoryStream();
BasicMethodClass.MakeThumbnail(Srcbitmap, ms_out, R.Width, R.Height, premode, pretype);
Srcbitmap.Dispose();
Srcbitmap = new Bitmap(ms_out);
ms_out.Dispose();
}
CutImageClass cuter = new CutImageClass(vdcmap, R, Tolerance);
var GenerImage = cuter.GCSsimp_getLightPointFromSource(Srcbitmap);
vdcSrcBitmap.Dispose();
vdcmap.Dispose();
Srcbitmap.Dispose();
return(GenerImage);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
string patch = dirpatchTextBox.Text;
if (!Directory.Exists(patch))
{
patch = Environment.CurrentDirectory + @"\Image\";
}
string[] Imagefiles = Directory.GetFiles(patch).Where(x => x.EndsWith(".jpg", true, null) ||
x.EndsWith(".png", true, null) || x.EndsWith(".bmp", true, null)).ToArray();
ObservableCollection <Thkindofimage> images = new ObservableCollection <Thkindofimage>();
ImageListBox.ItemsSource = images;
Thread t1 = new Thread((ThreadStart) delegate
{
foreach (var item in Imagefiles)
{
var srcBitmap = new Bitmap(item);
#region 测试FT后的区域选取函数
//准备切图类
CutImageClass cuter = new CutImageClass(srcBitmap, new System.Drawing.Rectangle(0, 0, 364, 240), 215);
cuter.MakeThumbnail(364, 240);
cuter.MakeVisualAttentionBitmap();
var areaImage = cuter.OutputAreaBitmap();
cuter.MakeCutBitmap();
var GenerImage = new Bitmap(cuter.CurDestBitmap);
#endregion
#region 准备视图数据
MemoryStream ms = new MemoryStream();
if (areaImage == null)
{
continue;
}
areaImage.Save(ms, ImageFormat.Jpeg);
areaImage.Dispose();
BitmapImage AreaBitImage = new BitmapImage();
AreaBitImage.BeginInit();
ms.Seek(0, SeekOrigin.Begin);
AreaBitImage.CacheOption = BitmapCacheOption.OnLoad;
AreaBitImage.StreamSource = ms;
AreaBitImage.EndInit();
AreaBitImage.Freeze();
ms.Dispose();
MemoryStream ms2 = new MemoryStream();
ms2.Seek(0, SeekOrigin.Begin);
if (GenerImage == null)
{
continue;
}
GenerImage.Save(ms2, ImageFormat.Jpeg);
GenerImage.Dispose();
BitmapImage FinBitImage = new BitmapImage();
FinBitImage.BeginInit();
ms2.Seek(0, SeekOrigin.Begin);
FinBitImage.CacheOption = BitmapCacheOption.OnLoad;
FinBitImage.StreamSource = ms2;
FinBitImage.EndInit();
FinBitImage.Freeze();
ms2.Dispose();
Dispatcher.Invoke(delegate
{
images.Add(new Thkindofimage
{
source = new BitmapImage(new Uri(item)),
area = AreaBitImage,
fin = FinBitImage,
});
});
//GC.Collect(0,GCCollectionMode.Forced);
}
});
#endregion
t1.Start();
}
