diff --git a/Emby.Drawing/ImageProcessor.cs b/Emby.Drawing/ImageProcessor.cs index 978173d5a..7d952aa23 100644 --- a/Emby.Drawing/ImageProcessor.cs +++ b/Emby.Drawing/ImageProcessor.cs @@ -3,6 +3,7 @@ using System.Collections.Generic; using System.Globalization; using System.IO; using System.Linq; +using System.Text; using System.Threading.Tasks; using Jellyfin.Data.Entities; using MediaBrowser.Common.Extensions; @@ -171,11 +172,26 @@ namespace Emby.Drawing return (originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified); } - ImageDimensions newSize = ImageHelper.GetNewImageSize(options, null); int quality = options.Quality; ImageFormat outputFormat = GetOutputFormat(options.SupportedOutputFormats, requiresTransparency); - string cacheFilePath = GetCacheFilePath(originalImagePath, newSize, quality, dateModified, outputFormat, options.AddPlayedIndicator, options.PercentPlayed, options.UnplayedCount, options.Blur, options.BackgroundColor, options.ForegroundLayer); + string cacheFilePath = GetCacheFilePath( + originalImagePath, + options.Width, + options.Height, + options.MaxWidth, + options.MaxHeight, + options.FillWidth, + options.FillHeight, + quality, + dateModified, + outputFormat, + options.AddPlayedIndicator, + options.PercentPlayed, + options.UnplayedCount, + options.Blur, + options.BackgroundColor, + options.ForegroundLayer); try { @@ -241,48 +257,111 @@ namespace Emby.Drawing /// /// Gets the cache file path based on a set of parameters. /// - private string GetCacheFilePath(string originalPath, ImageDimensions outputSize, int quality, DateTime dateModified, ImageFormat format, bool addPlayedIndicator, double percentPlayed, int? unwatchedCount, int? blur, string backgroundColor, string foregroundLayer) + private string GetCacheFilePath( + string originalPath, + int? width, + int? height, + int? maxWidth, + int? maxHeight, + int? fillWidth, + int? fillHeight, + int quality, + DateTime dateModified, + ImageFormat format, + bool addPlayedIndicator, + double percentPlayed, + int? unwatchedCount, + int? blur, + string backgroundColor, + string foregroundLayer) { - var filename = originalPath - + "width=" + outputSize.Width - + "height=" + outputSize.Height - + "quality=" + quality - + "datemodified=" + dateModified.Ticks - + "f=" + format; + var filename = new StringBuilder(256); + filename.Append(originalPath); + + filename.Append(",quality="); + filename.Append(quality); + + filename.Append(",datemodified="); + filename.Append(dateModified.Ticks); + + filename.Append(",f="); + filename.Append(format); + + if (width.HasValue) + { + filename.Append(",width="); + filename.Append(width.Value); + } + + if (height.HasValue) + { + filename.Append(",height="); + filename.Append(height.Value); + } + + if (maxWidth.HasValue) + { + filename.Append(",maxwidth="); + filename.Append(maxWidth.Value); + } + + if (maxHeight.HasValue) + { + filename.Append(",maxheight="); + filename.Append(maxHeight.Value); + } + + if (fillWidth.HasValue) + { + filename.Append(",fillwidth="); + filename.Append(fillWidth.Value); + } + + if (fillHeight.HasValue) + { + filename.Append(",fillheight="); + filename.Append(fillHeight.Value); + } if (addPlayedIndicator) { - filename += "pl=true"; + filename.Append(",pl=true"); } if (percentPlayed > 0) { - filename += "p=" + percentPlayed; + filename.Append(",p="); + filename.Append(percentPlayed); } if (unwatchedCount.HasValue) { - filename += "p=" + unwatchedCount.Value; + filename.Append(",p="); + filename.Append(unwatchedCount.Value); } if (blur.HasValue) { - filename += "blur=" + blur.Value; + filename.Append(",blur="); + filename.Append(blur.Value); } if (!string.IsNullOrEmpty(backgroundColor)) { - filename += "b=" + backgroundColor; + filename.Append(",b="); + filename.Append(backgroundColor); } if (!string.IsNullOrEmpty(foregroundLayer)) { - filename += "fl=" + foregroundLayer; + filename.Append(",fl="); + filename.Append(foregroundLayer); } - filename += "v=" + Version; + filename.Append(",v="); + filename.Append(Version); - return GetCachePath(ResizedImageCachePath, filename, "." + format.ToString().ToLowerInvariant()); + return GetCachePath(ResizedImageCachePath, filename.ToString(), "." + format.ToString().ToLowerInvariant()); } /// diff --git a/Jellyfin.Api/Controllers/ImageController.cs b/Jellyfin.Api/Controllers/ImageController.cs index 2119e8e2c..55c2fe735 100644 --- a/Jellyfin.Api/Controllers/ImageController.cs +++ b/Jellyfin.Api/Controllers/ImageController.cs @@ -490,6 +490,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Supply the cache tag from the item object to receive strong caching headers. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. The of the returned image. @@ -519,6 +521,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] string? tag, [FromQuery] bool? cropWhitespace, [FromQuery] ImageFormat? format, @@ -549,6 +553,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -570,6 +576,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Supply the cache tag from the item object to receive strong caching headers. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. The of the returned image. @@ -599,6 +607,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] string? tag, [FromQuery] bool? cropWhitespace, [FromQuery] ImageFormat? format, @@ -628,6 +638,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -648,6 +660,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Supply the cache tag from the item object to receive strong caching headers. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Determines the output format of the image - original,gif,jpg,png. @@ -677,6 +691,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromRoute, Required] string tag, [FromQuery] bool? cropWhitespace, [FromRoute, Required] ImageFormat format, @@ -707,6 +723,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -731,6 +749,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. Add a played indicator. /// Optional. Blur image. @@ -760,6 +780,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] bool? cropWhitespace, [FromQuery] bool? addPlayedIndicator, [FromQuery] int? blur, @@ -786,6 +808,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -810,6 +834,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. Add a played indicator. /// Optional. Blur image. @@ -839,6 +865,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] bool? cropWhitespace, [FromQuery] bool? addPlayedIndicator, [FromQuery] int? blur, @@ -865,6 +893,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -890,6 +920,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. Add a played indicator. /// Optional. Blur image. @@ -919,6 +951,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] bool? cropWhitespace, [FromQuery] bool? addPlayedIndicator, [FromQuery] int? blur, @@ -944,6 +978,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -968,6 +1004,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. Add a played indicator. /// Optional. Blur image. @@ -997,6 +1035,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] bool? cropWhitespace, [FromQuery] bool? addPlayedIndicator, [FromQuery] int? blur, @@ -1023,6 +1063,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -1048,6 +1090,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. Add a played indicator. /// Optional. Blur image. @@ -1077,6 +1121,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] bool? cropWhitespace, [FromQuery] bool? addPlayedIndicator, [FromQuery] int? blur, @@ -1102,6 +1148,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -1126,6 +1174,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. Add a played indicator. /// Optional. Blur image. @@ -1155,6 +1205,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] bool? cropWhitespace, [FromQuery] bool? addPlayedIndicator, [FromQuery] int? blur, @@ -1181,6 +1233,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -1206,6 +1260,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. Add a played indicator. /// Optional. Blur image. @@ -1235,6 +1291,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] bool? cropWhitespace, [FromQuery] bool? addPlayedIndicator, [FromQuery] int? blur, @@ -1260,6 +1318,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -1284,6 +1344,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. Add a played indicator. /// Optional. Blur image. @@ -1313,6 +1375,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] bool? cropWhitespace, [FromQuery] bool? addPlayedIndicator, [FromQuery] int? blur, @@ -1339,6 +1403,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -1364,6 +1430,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. Add a played indicator. /// Optional. Blur image. @@ -1393,6 +1461,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] bool? cropWhitespace, [FromQuery] bool? addPlayedIndicator, [FromQuery] int? blur, @@ -1418,6 +1488,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -1442,6 +1514,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. Add a played indicator. /// Optional. Blur image. @@ -1471,6 +1545,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] bool? cropWhitespace, [FromQuery] bool? addPlayedIndicator, [FromQuery] int? blur, @@ -1514,6 +1590,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -1540,6 +1618,8 @@ namespace Jellyfin.Api.Controllers /// The fixed image width to return. /// The fixed image height to return. /// Optional. Quality setting, from 0-100. Defaults to 90 and should suffice in most cases. + /// Width of box to fill. + /// Height of box to fill. /// Optional. Specify if whitespace should be cropped out of the image. True/False. If unspecified, whitespace will be cropped from logos and clear art. /// Optional. Add a played indicator. /// Optional. Blur image. @@ -1569,6 +1649,8 @@ namespace Jellyfin.Api.Controllers [FromQuery] int? width, [FromQuery] int? height, [FromQuery] int? quality, + [FromQuery] int? fillWidth, + [FromQuery] int? fillHeight, [FromQuery] bool? cropWhitespace, [FromQuery] bool? addPlayedIndicator, [FromQuery] int? blur, @@ -1611,6 +1693,8 @@ namespace Jellyfin.Api.Controllers width, height, quality, + fillWidth, + fillHeight, cropWhitespace, addPlayedIndicator, blur, @@ -1695,6 +1779,8 @@ namespace Jellyfin.Api.Controllers int? width, int? height, int? quality, + int? fillWidth, + int? fillHeight, bool? cropWhitespace, // TODO: Remove bool? addPlayedIndicator, int? blur, @@ -1758,11 +1844,13 @@ namespace Jellyfin.Api.Controllers item, itemId, imageIndex, - height, - maxHeight, - maxWidth, - quality, width, + height, + maxWidth, + maxHeight, + fillWidth, + fillHeight, + quality, addPlayedIndicator, percentPlayed, unplayedCount, @@ -1856,11 +1944,13 @@ namespace Jellyfin.Api.Controllers BaseItem? item, Guid itemId, int? index, - int? height, - int? maxHeight, - int? maxWidth, - int? quality, int? width, + int? height, + int? maxWidth, + int? maxHeight, + int? fillWidth, + int? fillHeight, + int? quality, bool? addPlayedIndicator, double? percentPlayed, int? unplayedCount, @@ -1887,6 +1977,8 @@ namespace Jellyfin.Api.Controllers ItemId = itemId, MaxHeight = maxHeight, MaxWidth = maxWidth, + FillHeight = fillHeight, + FillWidth = fillWidth, Quality = quality ?? 100, Width = width, AddPlayedIndicator = addPlayedIndicator ?? false, diff --git a/MediaBrowser.Controller/Drawing/ImageHelper.cs b/MediaBrowser.Controller/Drawing/ImageHelper.cs index 87c28d577..181f8e905 100644 --- a/MediaBrowser.Controller/Drawing/ImageHelper.cs +++ b/MediaBrowser.Controller/Drawing/ImageHelper.cs @@ -1,4 +1,5 @@ #pragma warning disable CS1591 +#nullable enable using System; using MediaBrowser.Controller.Entities; @@ -9,67 +10,12 @@ namespace MediaBrowser.Controller.Drawing { public static class ImageHelper { - public static ImageDimensions GetNewImageSize(ImageProcessingOptions options, ImageDimensions? originalImageSize) + public static ImageDimensions GetNewImageSize(ImageProcessingOptions options, ImageDimensions originalImageSize) { - if (originalImageSize.HasValue) - { - // Determine the output size based on incoming parameters - var newSize = DrawingUtils.Resize(originalImageSize.Value, options.Width ?? 0, options.Height ?? 0, options.MaxWidth ?? 0, options.MaxHeight ?? 0); - - return newSize; - } - - return GetSizeEstimate(options); - } - - private static ImageDimensions GetSizeEstimate(ImageProcessingOptions options) - { - if (options.Width.HasValue && options.Height.HasValue) - { - return new ImageDimensions(options.Width.Value, options.Height.Value); - } - - double aspect = GetEstimatedAspectRatio(options.Image.Type, options.Item); - - int? width = options.Width ?? options.MaxWidth; - - if (width.HasValue) - { - int heightValue = Convert.ToInt32((double)width.Value / aspect); - return new ImageDimensions(width.Value, heightValue); - } - - var height = options.Height ?? options.MaxHeight ?? 200; - int widthValue = Convert.ToInt32(aspect * height); - return new ImageDimensions(widthValue, height); - } - - private static double GetEstimatedAspectRatio(ImageType type, BaseItem item) - { - switch (type) - { - case ImageType.Art: - case ImageType.Backdrop: - case ImageType.Chapter: - case ImageType.Screenshot: - case ImageType.Thumb: - return 1.78; - case ImageType.Banner: - return 5.4; - case ImageType.Box: - case ImageType.BoxRear: - case ImageType.Disc: - case ImageType.Menu: - case ImageType.Profile: - return 1; - case ImageType.Logo: - return 2.58; - case ImageType.Primary: - double defaultPrimaryImageAspectRatio = item.GetDefaultPrimaryImageAspectRatio(); - return defaultPrimaryImageAspectRatio > 0 ? defaultPrimaryImageAspectRatio : 2.0 / 3; - default: - return 1; - } + // Determine the output size based on incoming parameters + var newSize = DrawingUtils.Resize(originalImageSize, options.Width ?? 0, options.Height ?? 0, options.MaxWidth ?? 0, options.MaxHeight ?? 0); + newSize = DrawingUtils.ResizeFill(newSize, options.FillWidth, options.FillHeight); + return newSize; } } } diff --git a/MediaBrowser.Controller/Drawing/ImageProcessingOptions.cs b/MediaBrowser.Controller/Drawing/ImageProcessingOptions.cs index 22de9a43e..230a0af60 100644 --- a/MediaBrowser.Controller/Drawing/ImageProcessingOptions.cs +++ b/MediaBrowser.Controller/Drawing/ImageProcessingOptions.cs @@ -32,6 +32,10 @@ namespace MediaBrowser.Controller.Drawing public int? MaxHeight { get; set; } + public int? FillWidth { get; set; } + + public int? FillHeight { get; set; } + public int Quality { get; set; } public IReadOnlyCollection SupportedOutputFormats { get; set; } @@ -93,6 +97,11 @@ namespace MediaBrowser.Controller.Drawing return false; } + if (sizeValue.Width > FillWidth || sizeValue.Height > FillHeight) + { + return false; + } + return true; } diff --git a/MediaBrowser.Model/Drawing/DrawingUtils.cs b/MediaBrowser.Model/Drawing/DrawingUtils.cs index 1512c5233..556792768 100644 --- a/MediaBrowser.Model/Drawing/DrawingUtils.cs +++ b/MediaBrowser.Model/Drawing/DrawingUtils.cs @@ -57,6 +57,52 @@ namespace MediaBrowser.Model.Drawing return new ImageDimensions(newWidth, newHeight); } + /// + /// Scale down to fill box. + /// Returns original size if both width and height are null or zero. + /// + /// The original size object. + /// A new fixed width, if desired. + /// A new fixed height, if desired. + /// A new size object or size. + public static ImageDimensions ResizeFill( + ImageDimensions size, + int? fillWidth, + int? fillHeight) + { + // Return original size if input is invalid. + if ((fillWidth == null || fillWidth == 0) + && (fillHeight == null || fillHeight == 0)) + { + return size; + } + + if (fillWidth == null || fillWidth == 0) + { + fillWidth = 1; + } + + if (fillHeight == null || fillHeight == 0) + { + fillHeight = 1; + } + + double widthRatio = size.Width / (double)fillWidth; + double heightRatio = size.Height / (double)fillHeight; + double scaleRatio = Math.Min(widthRatio, heightRatio); + + // Clamp to current size. + if (scaleRatio < 1) + { + return size; + } + + int newWidth = Convert.ToInt32(Math.Ceiling(size.Width / scaleRatio)); + int newHeight = Convert.ToInt32(Math.Ceiling(size.Height / scaleRatio)); + + return new ImageDimensions(newWidth, newHeight); + } + /// /// Gets the new width. ///