public async Task PixelImagesToGoogle()
{
PixelImage pixelImage = null;
int skip = 0;
do
{
_logger.Info($"skiping: {skip}");
using (var pixelContext = new PixelContext(_dbContextOptions))
{
var q = pixelContext.PixelImage
.Where(x => string.IsNullOrWhiteSpace(x.GoogleId) &&
x.ProcessState == null || x.ProcessState.Value == 0)
.Skip(skip);
var count = await q.CountAsync();
_logger.Info($"To proccess: {count}");
pixelImage = await q.FirstOrDefaultAsync();
}
if (pixelImage == null)
{
break;
}
await PixelImageToGoogle(pixelImage);
} while (true);
}
public void BlackAndWhite()
{
// Arrange
Image image = Image.FromFile("image.jpg");
PixelImage pixelImage = new PixelImage(new Bitmap(image));
// Act
pixelImage.BlackAndWhite();
// Assert
Assert.IsNotNull(pixelImage.pixels);
pixelImage.GetAsBitmap().Save("image.png", ImageFormat.Png);
}
public async Task UpdateImagesMeta(int index = 0)
{
PixelImage pixelImage = null;
do
{
_logger.Info($"index: {index}");
using (var pixelContext = new PixelContext(_dbContextOptions))
{
pixelImage = await pixelContext.PixelImage.Skip(index).FirstOrDefaultAsync();
}
index++;
await UpdateImageMeta(pixelImage);
} while (pixelImage != null);
}
public void Constructor()
{
// Arrange
Image image = Image.FromFile("image.jpg");
// Act
PixelImage pixelImage = new PixelImage(new Bitmap(image));
// Assert
Assert.IsNotNull(pixelImage.pixels);
foreach (Pixel pixel in pixelImage.pixels)
{
if (pixel == null)
{
Assert.Fail();
}
}
}
public void ConvertFromBytesToPixels()
{
int j = 0;
for (int i = 0; i < this.ImageToProcess.Length; i += 4)
{
if (ImageToProcess[i + 1] != 0)
{
var red = ImageToProcess[i + 1];
var px = j % ImageWidth;
int py = (j / ImageWidth);
var point = new Point(px, py);
var PointToAdd = new Pixel(0, red, 0, 0, point);
PixelImage.Add(PointToAdd);
}
j++;
}
}
public async Task UpdateImageMeta(PixelImage pixelImage)
{
_logger.Info($"metaurl: {pixelImage.MetaUrl}");
var list = await _imageMetaParser.LoadImageTags(pixelImage.MetaUrl);
if (list != null && list.Count > 0)
{
_logger.Info($"Tags loaded: {list.Count}");
var keywords = string.Join(',', list);
using (var pixelContext = new PixelContext(_dbContextOptions))
{
pixelImage.Keywords = keywords;
pixelContext.PixelImage.Update(pixelImage);
await pixelContext.SaveChangesAsync();
}
}
else
{
_logger.Info("No tags.");
}
}
public DragBar(int width) : base()
{
bg = new ThreePatch(Resources.Option_DragBarBG_Left, Resources.Option_DragBarBG_Mid, Resources.Option_DragBarBG_Right);
btn = new PictureBox();
btn.SizeMode = PictureBoxSizeMode.AutoSize;
btn.Image = Resources.Option_DragBarBtn;
btn.Cursor = Cursors.Hand;
bar = new PixelImage();
bar.SizeMode = PictureBoxSizeMode.StretchImage;
bar.Image = Resources.Option_DragBar_Mid;
bar.Location = new Point(BtnMinX / 2, 0);
BarWidth = width;
bg.Controls.Add(bar);
bg.Controls.Add(btn);
Controls.Add(bg);
bar.BringToFront();
btn.BringToFront();
SetEvent();
SetValueWithoutEvent(1f);
}
/// <summary>
/// 载入首层资源
/// </summary>
/// <param name="pImage"></param>
public void LoadSource(PixelImage pImage, int ans)
{
Layers[0].Load(Matrix <double> .Build.Dense(SourceNum, 1, (i, j) => Convert.ToDouble(pImage.Data[i]) / 255));
this.ans = ans;
}
public async Task PixelImageToGoogle(PixelImage pixelImage)
{
_logger.Info($"url: {pixelImage.Url}");
var arr = await _fileLoader.GetByteArrayAsync(pixelImage.Url);
if (arr == null || arr.Length == 0)
{
_logger.Error("arr is null");
using (var pixelContext = new PixelContext(_dbContextOptions))
{
pixelImage.ProcessState = PixelImageProcessState.ImageNotFound;
pixelContext.Update(pixelImage);
await pixelContext.SaveChangesAsync();
}
return;
}
int width = 0;
int height = 0;
//string phashStr = null;
using (var stream = new MemoryStream())
{
try
{
using (var im = new MagickImage(arr))
{
im.Strip();
im.Format = MagickFormat.Jpeg;
im.Quality = 85;
im.Interlace = Interlace.Jpeg;
im.ColorSpace = ColorSpace.sRGB;
im.Settings.SetDefines(new JpegWriteDefines()
{
SamplingFactors = new MagickGeometry[] {
new MagickGeometry(4, 2)
}
});
width = im.Width;
height = im.Height;
im.Write(stream);
//im.Grayscale();
//var phash = im.PerceptualHash();
//phashStr = phash.ToString();
}
}
catch (ImageMagick.MagickErrorException ex) {
_logger.Error(ex);
using (var pixelContext = new PixelContext(_dbContextOptions))
{
pixelImage.ProcessState = PixelImageProcessState.ImgFormatNotValid;
pixelContext.Update(pixelImage);
await pixelContext.SaveChangesAsync();
}
return;
}
catch (Exception ex)
{
_logger.Error(ex);
throw ex;
}
stream.Position = 0;
try
{
var name = string.IsNullOrEmpty(pixelImage.Title)
? "image"
: pixelImage.Title;
var id = await _googleService.Upload(stream, $"{name}.jpg");
using (var pixelContext = new PixelContext(_dbContextOptions))
{
pixelImage.GoogleId = id;
//pixelImage.GrayscalePerceptualHash = phashStr;
pixelImage.Width = width;
pixelImage.Height = height;
pixelContext.Update(pixelImage);
await pixelContext.SaveChangesAsync();
}
}
catch (Exception ex)
{
_logger.Error(ex);
throw ex;
}
}
return;
}
