/
ImageConverterManager.cs
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/
ImageConverterManager.cs
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//
// ImageConverterManager.cs
//
// Author:
// Jonathan Pobst <monkey@jpobst.com>
//
// Copyright (c) 2010 Jonathan Pobst
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.Linq;
using Gdk;
using System.IO;
namespace Pinta.Core
{
public class ImageConverterManager
{
private List<FormatDescriptor> formats;
public ImageConverterManager ()
{
formats = new List<FormatDescriptor> ();
// Create all the formats supported by Gdk
foreach (var format in Pixbuf.Formats) {
string formatName = format.Name.ToLowerInvariant ();
string formatNameUpperCase = formatName.ToUpperInvariant ();
string[] extensions;
switch (formatName) {
case "jpeg":
extensions = new string[] { "jpg", "jpeg", "JPG", "JPEG" };
break;
case "tiff":
extensions = new string[] { "tif", "tiff", "TIF", "TIFF" };
break;
default:
extensions = new string[] { formatName, formatNameUpperCase };
break;
}
GdkPixbufFormat importer = new GdkPixbufFormat (format.Name.ToLowerInvariant ());
IImageExporter exporter;
if (formatName == "jpeg")
exporter = importer = new JpegFormat ();
else if (formatName == "tga")
exporter = new TgaExporter ();
else if (format.IsWritable)
exporter = importer;
else
exporter = null;
RegisterFormat (new FormatDescriptor (formatName, formatNameUpperCase, extensions, importer, exporter));
}
// Create all the formats we have our own importers/exporters for
OraFormat oraHandler = new OraFormat ();
RegisterFormat (new FormatDescriptor ("ora", "OpenRaster", new string[] { "ora", "ORA" }, oraHandler, oraHandler));
}
public IEnumerable<FormatDescriptor> Formats { get { return formats; } }
/// <summary>
/// Registers a new file format.
/// </summary>
public void RegisterFormat (FormatDescriptor fd)
{
formats.Add (fd);
}
/// <summary>
/// Unregisters the file format for the given extension.
/// </summary>
public void UnregisterFormatByExtension (string extension)
{
extension = NormalizeExtension (extension);
formats.RemoveAll (f => f.Extensions.Contains (extension));
}
public FormatDescriptor GetDefaultSaveFormat ()
{
string extension = PintaCore.Settings.GetSetting<string> ("default-image-type", "jpeg");
var fd = GetFormatByExtension (extension);
// We found the last one we used
if (fd != null)
return fd;
// Return any format we have
foreach (var f in Formats)
if (!f.IsReadOnly ())
return f;
// We don't have any formats
throw new InvalidOperationException ("There are no image formats supported.");
}
public IImageExporter GetExporterByExtension (string extension)
{
FormatDescriptor format = GetFormatByExtension (extension);
if (format == null)
return null;
return format.Exporter;
}
public IImageExporter GetExporterByFile (string file)
{
string extension = Path.GetExtension (file);
return GetExporterByExtension (extension);
}
public FormatDescriptor GetFormatByExtension (string extension)
{
extension = NormalizeExtension (extension);
return Formats.Where (p => p.Extensions.Contains (extension)).FirstOrDefault ();
}
public FormatDescriptor GetFormatByFile (string file)
{
string extension = Path.GetExtension (file);
extension = NormalizeExtension (extension);
return Formats.Where (p => p.Extensions.Contains (extension)).FirstOrDefault ();
}
public IImageImporter GetImporterByExtension (string extension)
{
FormatDescriptor format = GetFormatByExtension (extension);
if (format == null)
return null;
return format.Importer;
}
public IImageImporter GetImporterByFile (string file)
{
string extension = Path.GetExtension (file);
if (extension == null) {
return null;
} else {
return GetImporterByExtension (extension);
}
}
public void SetDefaultFormat (string extension)
{
extension = NormalizeExtension (extension);
PintaCore.Settings.PutSetting ("default-image-type", extension);
PintaCore.Settings.SaveSettings ();
}
/// <summary>
/// Normalizes the extension.
/// </summary>
private static string NormalizeExtension (string extension)
{
return extension.ToLowerInvariant ().TrimStart ('.').Trim ();
}
}
}