static Image CreateComposedNinePatch(Toolkit toolkit, IEnumerable <Tuple <string, ImageTagSet, bool, object> > altImages)
{
var npImage = new NinePatchImage();
foreach (var fi in altImages)
{
int i = fi.Item1.LastIndexOf('@');
double scaleFactor;
if (i == -1)
{
scaleFactor = 1;
}
else
{
int j = fi.Item1.IndexOf('x', ++i);
if (!double.TryParse(fi.Item1.Substring(i, j - i), out scaleFactor))
{
toolkit.ImageBackendHandler.Dispose(fi.Item4);
continue;
}
}
npImage.AddFrame(new Image(fi.Item4, toolkit).ToBitmap(), scaleFactor);
}
return(npImage);
}
public static Image FromFile(string file)
{
var toolkit = Toolkit.CurrentEngine;
if (toolkit == null)
{
throw new ToolkitNotInitializedException();
}
var ext = GetExtension(file);
var img = toolkit.ImageBackendHandler.LoadFromFile(file);
List <Tuple <string, object> > altImages = null;
foreach (var s in supportedScales)
{
var fn = file.Substring(0, file.Length - ext.Length) + "@" + s + ext;
if (File.Exists(fn))
{
if (altImages == null)
{
altImages = new List <Tuple <string, object> > ();
altImages.Add(new Tuple <string, object> (file, img));
}
altImages.Add(new Tuple <string, object> (fn, toolkit.ImageBackendHandler.LoadFromFile(fn)));
}
}
if (altImages != null)
{
if (ext == ".9.png")
{
return(CreateComposedNinePatch(toolkit, altImages));
}
img = toolkit.ImageBackendHandler.CreateMultiResolutionImage(altImages.Select(i => i.Item2));
}
var res = new Image(img, toolkit);
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);
}
}
static Image CreateComposedNinePatch(Toolkit toolkit, List<Tuple<string,object>> altImages)
{
var npImage = new NinePatchImage ();
foreach (var fi in altImages) {
int i = fi.Item1.LastIndexOf ('@');
double scaleFactor;
if (i == -1)
scaleFactor = 1;
else {
int j = fi.Item1.IndexOf ('x', ++i);
if (!double.TryParse (fi.Item1.Substring (i, j - i), out scaleFactor)) {
toolkit.ImageBackendHandler.Dispose (fi.Item2);
continue;
}
}
npImage.AddFrame (new Image (fi.Item2, toolkit).ToBitmap (), scaleFactor);
}
return npImage;
}
/// <summary>
/// Loads an image from a resource
/// </summary>
/// <returns>An image</returns>
/// <param name="assembly">The assembly from which to load the image</param>
/// <param name="resource">Resource name</param>
/// <remarks>
/// This method will look for alternative versions of the image with different resolutions.
/// For example, if a resource is named "foo.png", this method will load
/// other resources with the name "*****@*****.**", where XXX can be any arbitrary string. For example "*****@*****.**".
/// Each of those resources will be considered different versions of the same image.
/// </remarks>
public static Image FromResource(Assembly assembly, string resource)
{
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 name = Path.GetFileNameWithoutExtension (resource);
var img = toolkit.ImageBackendHandler.LoadFromResource (assembly, resource);
if (img == null)
throw new InvalidOperationException ("Resource not found: " + resource);
var reqSize = toolkit.ImageBackendHandler.GetSize (img);
var ext = GetExtension (resource);
var altImages = new List<Tuple<string,object>> ();
foreach (var r in assembly.GetManifestResourceNames ()) {
int i = r.LastIndexOf ('@');
if (i != -1) {
string rname = r.Substring (0, i);
if (rname == resource || rname == name) {
var rim = toolkit.ImageBackendHandler.LoadFromResource (assembly, r);
if (rim != null)
altImages.Add (new Tuple<string, object> (r, rim));
}
}
}
if (altImages.Count > 0) {
altImages.Insert (0, new Tuple<string, object> (resource, img));
if (ext == ".9.png")
return CreateComposedNinePatch (toolkit, altImages);
img = toolkit.ImageBackendHandler.CreateMultiResolutionImage (altImages.Select (i => i.Item2));
}
var res = new Image (img, toolkit) {
requestedSize = reqSize
};
res.NativeRef.SetResourceSource (assembly, resource);
if (ext == ".9.png")
res = new NinePatchImage (res.ToBitmap ());
return res;
}
public static Image FromFile(string file)
{
var toolkit = Toolkit.CurrentEngine;
if (toolkit == null)
throw new ToolkitNotInitializedException ();
var ext = GetExtension (file);
var img = toolkit.ImageBackendHandler.LoadFromFile (file);
List<Tuple<string,object>> altImages = null;
foreach (var s in supportedScales) {
var fn = file.Substring (0, file.Length - ext.Length) + "@" + s + "x" + ext;
if (File.Exists (fn)) {
if (altImages == null) {
altImages = new List<Tuple<string, object>> ();
altImages.Add (new Tuple<string, object> (file, img));
}
altImages.Add (new Tuple<string, object> (fn, toolkit.ImageBackendHandler.LoadFromFile (fn)));
}
}
if (altImages != null) {
if (ext == ".9.png")
return CreateComposedNinePatch (toolkit, altImages);
img = toolkit.ImageBackendHandler.CreateMultiResolutionImage (altImages.Select (i => i.Item2));
}
var res = new Image (img, toolkit);
if (ext == ".9.png")
res = new NinePatchImage (res.ToBitmap ());
return res;
}
/// <summary>
/// Loads an image from a resource
/// </summary>
/// <returns>An image</returns>
/// <param name="assembly">The assembly from which to load the image</param>
/// <param name="resource">Resource name</param>
/// <remarks>
/// This method will look for alternative versions of the image with different resolutions.
/// For example, if a resource is named "foo.png", this method will load
/// other resources with the name "*****@*****.**", where XXX can be any arbitrary string. For example "*****@*****.**".
/// Each of those resources will be considered different versions of the same image.
/// </remarks>
public static Image FromResource(Assembly assembly, string resource)
{
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 name = Path.GetFileNameWithoutExtension(resource);
var img = toolkit.ImageBackendHandler.LoadFromResource(assembly, resource);
if (img == null)
{
throw new InvalidOperationException("Resource not found: " + resource);
}
var reqSize = toolkit.ImageBackendHandler.GetSize(img);
var ext = GetExtension(resource);
var altImages = new List <Tuple <string, object> > ();
foreach (var r in assembly.GetManifestResourceNames())
{
int i = r.LastIndexOf('@');
if (i != -1)
{
string rname = r.Substring(0, i);
if (rname == resource || rname == name)
{
var rim = toolkit.ImageBackendHandler.LoadFromResource(assembly, r);
if (rim != null)
{
altImages.Add(new Tuple <string, object> (r, rim));
}
}
}
}
if (altImages.Count > 0)
{
altImages.Insert(0, new Tuple <string, object> (resource, img));
if (ext == ".9.png")
{
return(CreateComposedNinePatch(toolkit, altImages));
}
img = toolkit.ImageBackendHandler.CreateMultiResolutionImage(altImages.Select(i => i.Item2));
}
var res = new Image(img, toolkit)
{
requestedSize = reqSize
};
res.NativeRef.SetResourceSource(assembly, resource);
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;
}
}
