nettika/mattercontrol
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Basic support for images encoded as Base64 data urls

Browse source
This commit is contained in:
John Lewin 2019-01-03 21:56:14 -08:00
parent 948f081d00
commit 890ff53681
3 changed files with 97 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

82
MatterControlLib/Library/BufferLibraryItem.cs Normal file
View file

@ -0,0 +1,82 @@
/*
Copyright (c) 2018, John Lewin
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
The views and conclusions contained in the software and documentation are those
of the authors and should not be interpreted as representing official policies,
either expressed or implied, of the FreeBSD Project.
*/
using System;
using System.IO;
using System.Threading.Tasks;
using MatterHackers.Localizations;
namespace MatterHackers.MatterControl.Library
{
public class BufferLibraryItem : ILibraryAssetStream
{
private byte[] buffer;
public BufferLibraryItem(byte[] buffer, string contentType, string name)
{
this.Name = name ?? "Unknown".Localize();
this.buffer = buffer;
this.FileSize = buffer.Length;
this.ContentType = contentType.Replace("image/", "");
}
public string ID { get; set; } = Guid.NewGuid().ToString();
public string Name { get; set; }
public string FileName => $"{this.Name}.{this.ContentType}";
public bool IsProtected { get; } = false;
public bool IsVisible { get; } = true;
public DateTime DateCreated { get; } = DateTime.Now;
public DateTime DateModified { get; } = DateTime.Now;
public string ContentType { get; set; }
public string Category => "General";
public string AssetPath { get; set; }
public long FileSize { get; }
public bool LocalContentExists => false;
public Task<StreamAndLength> GetStream(Action<double, string> progress)
{
return Task.FromResult(new StreamAndLength()
{
Stream = new MemoryStream(buffer),
Length = this.FileSize
});
}
}
}

2
MatterControlLib/Library/RemoteLibraryItem.cs
View file

@ -63,7 +63,7 @@ namespace MatterHackers.MatterControl.Library
public DateTime DateModified { get; } = DateTime.Now;
public string ContentType { get; private set; } = "jpg"; // TODO: Remove invalid static assignment used to depict what would be possible with more effort
public string ContentType { get; private set; } = "jpg";
public string Category => "General";

16
MatterControlLib/PartPreviewWindow/View3D/View3DWidget.cs
View file

@ -1388,7 +1388,8 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
return ApplicationController.Instance.IsLoadableFile(filePath)
// Disallow GCode drop in part view
&& (this.Printer != null || !string.Equals(System.IO.Path.GetExtension(filePath), ".gcode", StringComparison.OrdinalIgnoreCase))
|| filePath.StartsWith("http", StringComparison.OrdinalIgnoreCase);
|| filePath.StartsWith("http", StringComparison.OrdinalIgnoreCase)
|| filePath.StartsWith("data:", StringComparison.OrdinalIgnoreCase);
});
// View3DWidgets Filesystem DropDrop handler
@ -1405,8 +1406,19 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
this.StartDragDrop(
mouseEvent.DragFiles.Select<string, ILibraryItem>(path =>
{
if (path.StartsWith("http", StringComparison.OrdinalIgnoreCase))
if (path.StartsWith("data:"))
{
// Basic support for images encoded as Base64 data urls
var match = Regex.Match(path, @"data:(?<type>.+?);base64,(?<data>.+)");
var base64Data = match.Groups["data"].Value;
var contentType = match.Groups["type"].Value;
var binData = Convert.FromBase64String(base64Data);
return new BufferLibraryItem(binData, contentType, "unknown");
}
else if (path.StartsWith("http", StringComparison.OrdinalIgnoreCase))
{
// Basic support for images via remote urls
return new RemoteLibraryItem(path, null);
}