public void SetFileSource(string file, ImageTagSet tags)
{
sources = new [] {
new NativeImageSource {
Source = file,
Tags = tags
}
};
}
public override Image WrapImage(string fileName, ImageTagSet tags, object img, Size reqSize)
{
var res = new Image(img, toolkit)
{
requestedSize = reqSize
};
res.NativeRef.SetCustomLoaderSource(loader, fileName, tags);
return(res);
}
public void SetResourceSource(Assembly asm, string name, ImageTagSet tags)
{
sources = new [] {
new NativeImageSource {
Source = name,
ResourceAssembly = asm,
Tags = tags
}
};
}
public void SetCustomLoaderSource(IImageLoader imageLoader, string fileName, ImageTagSet tags)
{
sources = new [] {
new NativeImageSource {
CustomImageLoader = imageLoader,
Source = fileName,
Tags = tags
}
};
}
internal static Image FromCustomLoader(IImageLoader loader, string fileName, ImageTagSet tags)
{
var toolkit = Toolkit.CurrentEngine;
if (toolkit == null)
{
throw new ToolkitNotInitializedException();
}
var ld = new StreamImageLoader(toolkit, loader);
return(LoadImage(ld, fileName, tags));
}
internal static Image FromFile(string file, ImageTagSet tagFilter)
{
var toolkit = Toolkit.CurrentEngine;
if (toolkit == null)
{
throw new ToolkitNotInitializedException();
}
var loader = new FileImageLoader(toolkit);
return(LoadImage(loader, file, tagFilter));
}
internal static Image FromResource(Assembly assembly, string resource, ImageTagSet tagFilter)
{
if (assembly == null)
{
throw new ArgumentNullException("assembly");
}
if (resource == null)
{
throw new ArgumentNullException("resource");
}
var toolkit = Toolkit.CurrentEngine;
if (toolkit == null)
{
throw new ToolkitNotInitializedException();
}
var loader = new ResourceImageLoader(toolkit, assembly);
return(LoadImage(loader, resource, tagFilter));
}
public void SetCustomLoaderSource(IImageLoader imageLoader, string fileName, ImageTagSet tags)
{
sources = new [] {
new NativeImageSource {
CustomImageLoader = imageLoader,
Source = fileName,
Tags = tags
}
};
}
public override Image WrapImage(string fileName, ImageTagSet tags, object img, Size reqSize)
{
var res = new Image (img, toolkit) {
requestedSize = reqSize
};
var ld = loader;
res.NativeRef.SetCustomLoaderSource (loader, fileName, tags);
return res;
}
public void SetResourceSource(Assembly asm, string name, ImageTagSet tags)
{
sources = new [] {
new NativeImageSource {
Source = name,
ResourceAssembly = asm,
Tags = tags
}
};
}
static bool ParseImageHints(string baseName, string fileName, string ext, out int scale, out ImageTagSet tags)
{
scale = 1;
tags = ImageTagSet.Empty;
if (!fileName.StartsWith(baseName, StringComparison.Ordinal) || fileName.Length <= baseName.Length + 1 || (fileName [baseName.Length] != '@' && fileName [baseName.Length] != '~'))
{
return(false);
}
fileName = fileName.Substring(0, fileName.Length - ext.Length);
int i = baseName.Length;
if (fileName [i] == '~')
{
// For example: foo~dark@2x
i++;
var i2 = fileName.IndexOf('@', i);
if (i2 != -1)
{
int i3 = fileName.IndexOf('x', i2 + 2);
if (i3 == -1 || !int.TryParse(fileName.Substring(i2 + 1, i3 - i2 - 1), out scale))
{
return(false);
}
}
else
{
i2 = fileName.Length;
}
tags = new ImageTagSet(fileName.Substring(i, i2 - i));
return(true);
}
else
{
// For example: foo@2x~dark
i++;
var i2 = fileName.IndexOf('~', i + 1);
if (i2 == -1)
{
i2 = fileName.Length;
}
i2--;
if (i2 < 0 || fileName [i2] != 'x')
{
return(false);
}
var s = fileName.Substring(i, i2 - i);
if (!int.TryParse(s, out scale))
{
tags = null;
return(false);
}
if (i2 + 2 < fileName.Length)
{
tags = new ImageTagSet(fileName.Substring(i2 + 2));
}
return(true);
}
}
internal static Image FromCustomLoader(IImageLoader loader, string fileName, ImageTagSet tags)
{
var toolkit = Toolkit.CurrentEngine;
if (toolkit == null)
throw new ToolkitNotInitializedException ();
var ld = new StreamImageLoader (toolkit, loader);
return LoadImage (ld, fileName, tags);
}
static Image LoadImage(ImageLoader loader, string fileName, ImageTagSet tagFilter)
{
var toolkit = Toolkit.CurrentEngine;
if (toolkit == null)
throw new ToolkitNotInitializedException ();
var img = loader.LoadImage (fileName);
var reqSize = toolkit.ImageBackendHandler.GetSize (img);
var ext = GetExtension (fileName);
var name = fileName.Substring (0, fileName.Length - ext.Length);
var altImages = new List<Tuple<string,ImageTagSet,bool,object>> ();
var tags = Context.RegisteredStyles;
foreach (var r in loader.GetAlternativeFiles (fileName, name, ext)) {
int scale;
ImageTagSet fileTags;
if (ParseImageHints (name, r, ext, out scale, out fileTags) && (tagFilter == null || tagFilter.Equals (fileTags))) {
var rim = loader.LoadImage (r);
if (rim != null)
altImages.Add (new Tuple<string, ImageTagSet, bool, object> (r, fileTags, scale > 1, rim));
}
}
if (altImages.Count > 0) {
altImages.Insert (0, new Tuple<string, ImageTagSet, bool, object> (fileName, ImageTagSet.Empty, false, img));
var list = new List<Tuple<Image,string[]>> ();
foreach (var imageGroup in altImages.GroupBy (t => t.Item2)) {
Image altImg;
if (ext == ".9.png")
altImg = CreateComposedNinePatch (toolkit, imageGroup);
else {
var ib = toolkit.ImageBackendHandler.CreateMultiResolutionImage (imageGroup.Select (i => i.Item4));
altImg = loader.WrapImage (fileName, imageGroup.Key, ib, reqSize);
}
list.Add (new Tuple<Image,string[]> (altImg, imageGroup.Key.AsArray));
}
if (list.Count == 1)
return list [0].Item1;
else {
return new ThemedImage (list, reqSize);
}
} else {
var res = loader.WrapImage (fileName, ImageTagSet.Empty, img, reqSize);
if (ext == ".9.png")
res = new NinePatchImage (res.ToBitmap ());
return res;
}
}
static Image LoadImage(ImageLoader loader, string fileName, ImageTagSet tagFilter)
{
var toolkit = Toolkit.CurrentEngine;
if (toolkit == null)
{
throw new ToolkitNotInitializedException();
}
var img = loader.LoadImage(fileName);
var reqSize = toolkit.ImageBackendHandler.GetSize(img);
var ext = GetExtension(fileName);
var name = fileName.Substring(0, fileName.Length - ext.Length);
var altImages = new List <Tuple <string, ImageTagSet, bool, object> > ();
var tags = Context.RegisteredStyles;
foreach (var r in loader.GetAlternativeFiles(fileName, name, ext))
{
int scale;
ImageTagSet fileTags;
if (ParseImageHints(name, r, ext, out scale, out fileTags) && (tagFilter == null || tagFilter.Equals(fileTags)))
{
var rim = loader.LoadImage(r);
if (rim != null)
{
altImages.Add(new Tuple <string, ImageTagSet, bool, object> (r, fileTags, scale > 1, rim));
}
}
}
if (altImages.Count > 0)
{
altImages.Insert(0, new Tuple <string, ImageTagSet, bool, object> (fileName, ImageTagSet.Empty, false, img));
var list = new List <Tuple <Image, string[]> > ();
foreach (var imageGroup in altImages.GroupBy(t => t.Item2))
{
Image altImg;
if (ext == ".9.png")
{
altImg = CreateComposedNinePatch(toolkit, imageGroup);
}
else
{
var ib = toolkit.ImageBackendHandler.CreateMultiResolutionImage(imageGroup.Select(i => i.Item4));
altImg = loader.WrapImage(fileName, imageGroup.Key, ib, reqSize);
}
list.Add(new Tuple <Image, string[]> (altImg, imageGroup.Key.AsArray));
}
if (list.Count == 1)
{
return(list [0].Item1);
}
else
{
return(new ThemedImage(list, reqSize));
}
}
else
{
var res = loader.WrapImage(fileName, ImageTagSet.Empty, img, reqSize);
if (ext == ".9.png")
{
res = new NinePatchImage(res.ToBitmap());
}
return(res);
}
}
public abstract Image WrapImage(string fileName, ImageTagSet tags, object img, Size reqSize);
static bool ParseImageHints(string baseName, string fileName, string ext, out int scale, out ImageTagSet tags)
{
scale = 1;
tags = ImageTagSet.Empty;
if (!fileName.StartsWith (baseName, StringComparison.Ordinal) || fileName.Length <= baseName.Length + 1 || (fileName [baseName.Length] != '@' && fileName [baseName.Length] != '~'))
return false;
fileName = fileName.Substring (0, fileName.Length - ext.Length);
int i = baseName.Length;
if (fileName [i] == '~') {
// For example: foo~dark@2x
i++;
var i2 = fileName.IndexOf ('@', i);
if (i2 != -1) {
int i3 = fileName.IndexOf ('x', i2 + 2);
if (i3 == -1 || !int.TryParse (fileName.Substring (i2 + 1, i3 - i2 - 1), out scale))
return false;
} else
i2 = fileName.Length;
tags = new ImageTagSet (fileName.Substring (i, i2 - i));
return true;
}
else {
// For example: foo@2x~dark
i++;
var i2 = fileName.IndexOf ('~', i + 1);
if (i2 == -1)
i2 = fileName.Length;
i2--;
if (i2 < 0 || fileName [i2] != 'x')
return false;
var s = fileName.Substring (i, i2 - i);
if (!int.TryParse (s, out scale)) {
tags = null;
return false;
}
if (i2 + 2 < fileName.Length)
tags = new ImageTagSet (fileName.Substring (i2 + 2));
return true;
}
}
public void SetFileSource(string file, ImageTagSet tags)
{
sources = new [] {
new NativeImageSource {
Source = file,
Tags = tags
}
};
}
public abstract Image WrapImage(string fileName, ImageTagSet tags, object img, Size reqSize);
public override Image WrapImage(string fileName, ImageTagSet tags, object img, Size reqSize)
{
var res = new Image (img, toolkit) {
requestedSize = reqSize
};
res.NativeRef.SetFileSource (fileName, tags);
return res;
}
