lgladsden/jellyfin-server
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remove mirror images from library thumbnail

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This commit is contained in:
dkanada 2019-03-08 18:39:41 +09:00
parent 8d1fc3f984
commit e498e47109
1 changed files with 5 additions and 47 deletions
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52
Jellyfin.Drawing.Skia/StripCollageBuilder.cs
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@ -78,20 +78,15 @@ namespace Jellyfin.Drawing.Skia
canvas.Clear(SKColors.Black);
// determine sizes for each image that will composited into the final image
var iSlice = Convert.ToInt32(width * 0.23475);
int iTrans = Convert.ToInt32(height * .25);
int iHeight = Convert.ToInt32(height * .70);
var horizontalImagePadding = Convert.ToInt32(width * 0.0125);
var verticalSpacing = Convert.ToInt32(height * 0.01111111111111111111111111111111);
var iSlice = Convert.ToInt32(width * 0.33);
int iTrans = Convert.ToInt32(height * 0.25);
int iHeight = Convert.ToInt32(height * 1.00);
int imageIndex = 0;
for (int i = 0; i < 4; i++)
for (int i = 0; i < 3; i++)
{
using (var currentBitmap = GetNextValidImage(paths, imageIndex, out int newIndex))
{
imageIndex = newIndex;
if (currentBitmap == null)
{
continue;
@ -108,44 +103,7 @@ namespace Jellyfin.Drawing.Skia
using (var subset = image.Subset(SKRectI.Create(ix, 0, iSlice, iHeight)))
{
// draw image onto canvas
canvas.DrawImage(subset ?? image, (horizontalImagePadding * (i + 1)) + (iSlice * i), verticalSpacing);
if (subset == null)
{
continue;
}
// create reflection of image below the drawn image
using (var croppedBitmap = SKBitmap.FromImage(subset))
using (var reflectionBitmap = new SKBitmap(croppedBitmap.Width, croppedBitmap.Height / 2, croppedBitmap.ColorType, croppedBitmap.AlphaType))
{
// resize to half height
currentBitmap.ScalePixels(reflectionBitmap, SKFilterQuality.High);
using (var flippedBitmap = new SKBitmap(reflectionBitmap.Width, reflectionBitmap.Height, reflectionBitmap.ColorType, reflectionBitmap.AlphaType))
using (var flippedCanvas = new SKCanvas(flippedBitmap))
{
// flip image vertically
var matrix = SKMatrix.MakeScale(1, -1);
matrix.SetScaleTranslate(1, -1, 0, flippedBitmap.Height);
flippedCanvas.SetMatrix(matrix);
flippedCanvas.DrawBitmap(reflectionBitmap, 0, 0);
flippedCanvas.ResetMatrix();
// create gradient to make image appear as a reflection
var remainingHeight = height - (iHeight + (2 * verticalSpacing));
flippedCanvas.ClipRect(SKRect.Create(reflectionBitmap.Width, remainingHeight));
using (var gradient = new SKPaint())
{
gradient.IsAntialias = true;
gradient.BlendMode = SKBlendMode.SrcOver;
gradient.Shader = SKShader.CreateLinearGradient(new SKPoint(0, 0), new SKPoint(0, remainingHeight), new[] { new SKColor(0, 0, 0, 128), new SKColor(0, 0, 0, 208), new SKColor(0, 0, 0, 240), new SKColor(0, 0, 0, 255) }, null, SKShaderTileMode.Clamp);
flippedCanvas.DrawPaint(gradient);
}
// finally draw reflection onto canvas
canvas.DrawBitmap(flippedBitmap, (horizontalImagePadding * (i + 1)) + (iSlice * i), iHeight + (2 * verticalSpacing));
}
}
canvas.DrawImage(subset ?? image, iSlice * i, 0);
}
}
}