diff options
Diffstat (limited to 'Jellyfin.Drawing.Skia/StripCollageBuilder.cs')
| -rw-r--r-- | Jellyfin.Drawing.Skia/StripCollageBuilder.cs | 120 |
1 files changed, 51 insertions, 69 deletions
diff --git a/Jellyfin.Drawing.Skia/StripCollageBuilder.cs b/Jellyfin.Drawing.Skia/StripCollageBuilder.cs index 61bef90ec..e0ee4a342 100644 --- a/Jellyfin.Drawing.Skia/StripCollageBuilder.cs +++ b/Jellyfin.Drawing.Skia/StripCollageBuilder.cs @@ -69,12 +69,10 @@ namespace Jellyfin.Drawing.Skia /// <param name="height">The desired height of the collage.</param> public void BuildSquareCollage(string[] paths, string outputPath, int width, int height) { - using (var bitmap = BuildSquareCollageBitmap(paths, width, height)) - using (var outputStream = new SKFileWStream(outputPath)) - using (var pixmap = new SKPixmap(new SKImageInfo(width, height), bitmap.GetPixels())) - { - pixmap.Encode(outputStream, GetEncodedFormat(outputPath), 90); - } + using var bitmap = BuildSquareCollageBitmap(paths, width, height); + using var outputStream = new SKFileWStream(outputPath); + using var pixmap = new SKPixmap(new SKImageInfo(width, height), bitmap.GetPixels()); + pixmap.Encode(outputStream, GetEncodedFormat(outputPath), 90); } /// <summary> @@ -86,56 +84,46 @@ namespace Jellyfin.Drawing.Skia /// <param name="height">The desired height of the collage.</param> public void BuildThumbCollage(string[] paths, string outputPath, int width, int height) { - using (var bitmap = BuildThumbCollageBitmap(paths, width, height)) - using (var outputStream = new SKFileWStream(outputPath)) - using (var pixmap = new SKPixmap(new SKImageInfo(width, height), bitmap.GetPixels())) - { - pixmap.Encode(outputStream, GetEncodedFormat(outputPath), 90); - } + using var bitmap = BuildThumbCollageBitmap(paths, width, height); + using var outputStream = new SKFileWStream(outputPath); + using var pixmap = new SKPixmap(new SKImageInfo(width, height), bitmap.GetPixels()); + pixmap.Encode(outputStream, GetEncodedFormat(outputPath), 90); } private SKBitmap BuildThumbCollageBitmap(string[] paths, int width, int height) { var bitmap = new SKBitmap(width, height); - using (var canvas = new SKCanvas(bitmap)) - { - canvas.Clear(SKColors.Black); + using var canvas = new SKCanvas(bitmap); + canvas.Clear(SKColors.Black); - // number of images used in the thumbnail - var iCount = 3; + // number of images used in the thumbnail + var iCount = 3; - // determine sizes for each image that will composited into the final image - var iSlice = Convert.ToInt32(width / iCount); - int iHeight = Convert.ToInt32(height * 1.00); - int imageIndex = 0; - for (int i = 0; i < iCount; i++) + // determine sizes for each image that will composited into the final image + var iSlice = Convert.ToInt32(width / iCount); + int iHeight = Convert.ToInt32(height * 1.00); + int imageIndex = 0; + for (int i = 0; i < iCount; i++) + { + using var currentBitmap = GetNextValidImage(paths, imageIndex, out int newIndex); + imageIndex = newIndex; + if (currentBitmap == null) { - using (var currentBitmap = GetNextValidImage(paths, imageIndex, out int newIndex)) - { - imageIndex = newIndex; - if (currentBitmap == null) - { - continue; - } - - // resize to the same aspect as the original - int iWidth = Math.Abs(iHeight * currentBitmap.Width / currentBitmap.Height); - using (var resizeBitmap = new SKBitmap(iWidth, iHeight, currentBitmap.ColorType, currentBitmap.AlphaType)) - { - currentBitmap.ScalePixels(resizeBitmap, SKFilterQuality.High); - - // crop image - int ix = Math.Abs((iWidth - iSlice) / 2); - using (var image = SKImage.FromBitmap(resizeBitmap)) - using (var subset = image.Subset(SKRectI.Create(ix, 0, iSlice, iHeight))) - { - // draw image onto canvas - canvas.DrawImage(subset ?? image, iSlice * i, 0); - } - } - } + continue; } + + // resize to the same aspect as the original + int iWidth = Math.Abs(iHeight * currentBitmap.Width / currentBitmap.Height); + using var resizeBitmap = new SKBitmap(iWidth, iHeight, currentBitmap.ColorType, currentBitmap.AlphaType); + currentBitmap.ScalePixels(resizeBitmap, SKFilterQuality.High); + + // crop image + int ix = Math.Abs((iWidth - iSlice) / 2); + using var image = SKImage.FromBitmap(resizeBitmap); + using var subset = image.Subset(SKRectI.Create(ix, 0, iSlice, iHeight)); + // draw image onto canvas + canvas.DrawImage(subset ?? image, iSlice * i, 0); } return bitmap; @@ -176,33 +164,27 @@ namespace Jellyfin.Drawing.Skia var cellWidth = width / 2; var cellHeight = height / 2; - using (var canvas = new SKCanvas(bitmap)) + using var canvas = new SKCanvas(bitmap); + for (var x = 0; x < 2; x++) { - for (var x = 0; x < 2; x++) + for (var y = 0; y < 2; y++) { - for (var y = 0; y < 2; y++) + using var currentBitmap = GetNextValidImage(paths, imageIndex, out int newIndex); + imageIndex = newIndex; + + if (currentBitmap == null) { - using (var currentBitmap = GetNextValidImage(paths, imageIndex, out int newIndex)) - { - imageIndex = newIndex; - - if (currentBitmap == null) - { - continue; - } - - using (var resizedBitmap = new SKBitmap(cellWidth, cellHeight, currentBitmap.ColorType, currentBitmap.AlphaType)) - { - // scale image - currentBitmap.ScalePixels(resizedBitmap, SKFilterQuality.High); - - // draw this image into the strip at the next position - var xPos = x * cellWidth; - var yPos = y * cellHeight; - canvas.DrawBitmap(resizedBitmap, xPos, yPos); - } - } + continue; } + + using var resizedBitmap = new SKBitmap(cellWidth, cellHeight, currentBitmap.ColorType, currentBitmap.AlphaType); + // scale image + currentBitmap.ScalePixels(resizedBitmap, SKFilterQuality.High); + + // draw this image into the strip at the next position + var xPos = x * cellWidth; + var yPos = y * cellHeight; + canvas.DrawBitmap(resizedBitmap, xPos, yPos); } } |