mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-27 00:07:58 +01:00
spinning world
This commit is contained in:
Thomas
192
UICatalog/Scenarios/Animation.cs
Normal file
192
UICatalog/Scenarios/Animation.cs
Normal file
@@ -0,0 +1,192 @@
|
||||
using SixLabors.ImageSharp;
|
||||
using SixLabors.ImageSharp.ColorSpaces;
|
||||
using SixLabors.ImageSharp.PixelFormats;
|
||||
using SixLabors.ImageSharp.Processing;
|
||||
using System;
|
||||
using System.Collections.Concurrent;
|
||||
using System.Collections.Generic;
|
||||
using System.IO;
|
||||
using System.Reflection;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
using Terminal.Gui;
|
||||
using Attribute = Terminal.Gui.Attribute;
|
||||
|
||||
namespace UICatalog.Scenarios {
|
||||
[ScenarioMetadata (Name: "Animation", Description: "Demonstration of how to render animated images with threading.")]
|
||||
[ScenarioCategory ("Colors")]
|
||||
public class Animation : Scenario
|
||||
{
|
||||
private bool isDisposed;
|
||||
|
||||
public override void Setup ()
|
||||
{
|
||||
base.Setup ();
|
||||
|
||||
var x = 0;
|
||||
var y = 0;
|
||||
|
||||
var imageView = new ImageView () {
|
||||
X = x,
|
||||
Y = y++,
|
||||
Width = Dim.Fill(),
|
||||
Height = Dim.Fill(),
|
||||
};
|
||||
Win.Add (imageView);
|
||||
|
||||
var dir = new DirectoryInfo(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location));
|
||||
|
||||
var f = new FileInfo(
|
||||
Path.Combine(dir.FullName,"Scenarios","Spinning_globe_dark_small.gif"));
|
||||
if(!f.Exists)
|
||||
{
|
||||
MessageBox.ErrorQuery("Could not find gif","Could not find "+ f.FullName,"Ok");
|
||||
return;
|
||||
}
|
||||
|
||||
imageView.SetImage(Image.Load<Rgba32> (File.ReadAllBytes (f.FullName)));
|
||||
|
||||
Task.Run(()=>{
|
||||
while(!isDisposed)
|
||||
{
|
||||
Application.MainLoop.Invoke(()=>
|
||||
{
|
||||
imageView.NextFrame();
|
||||
imageView.SetNeedsDisplay();
|
||||
});
|
||||
|
||||
Task.Delay(100).Wait();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
protected override void Dispose(bool disposing)
|
||||
{
|
||||
isDisposed = true;
|
||||
base.Dispose();
|
||||
}
|
||||
|
||||
// This is a C# port of https://github.com/andraaspar/bitmap-to-braille by Andraaspar
|
||||
|
||||
/// <summary>
|
||||
/// Renders an image as unicode Braille.
|
||||
/// </summary>
|
||||
public class BitmapToBraille
|
||||
{
|
||||
|
||||
public const int CHAR_WIDTH = 2;
|
||||
public const int CHAR_HEIGHT = 4;
|
||||
|
||||
const string CHARS = " ⠁⠂⠃⠄⠅⠆⠇⡀⡁⡂⡃⡄⡅⡆⡇⠈⠉⠊⠋⠌⠍⠎⠏⡈⡉⡊⡋⡌⡍⡎⡏⠐⠑⠒⠓⠔⠕⠖⠗⡐⡑⡒⡓⡔⡕⡖⡗⠘⠙⠚⠛⠜⠝⠞⠟⡘⡙⡚⡛⡜⡝⡞⡟⠠⠡⠢⠣⠤⠥⠦⠧⡠⡡⡢⡣⡤⡥⡦⡧⠨⠩⠪⠫⠬⠭⠮⠯⡨⡩⡪⡫⡬⡭⡮⡯⠰⠱⠲⠳⠴⠵⠶⠷⡰⡱⡲⡳⡴⡵⡶⡷⠸⠹⠺⠻⠼⠽⠾⠿⡸⡹⡺⡻⡼⡽⡾⡿⢀⢁⢂⢃⢄⢅⢆⢇⣀⣁⣂⣃⣄⣅⣆⣇⢈⢉⢊⢋⢌⢍⢎⢏⣈⣉⣊⣋⣌⣍⣎⣏⢐⢑⢒⢓⢔⢕⢖⢗⣐⣑⣒⣓⣔⣕⣖⣗⢘⢙⢚⢛⢜⢝⢞⢟⣘⣙⣚⣛⣜⣝⣞⣟⢠⢡⢢⢣⢤⢥⢦⢧⣠⣡⣢⣣⣤⣥⣦⣧⢨⢩⢪⢫⢬⢭⢮⢯⣨⣩⣪⣫⣬⣭⣮⣯⢰⢱⢲⢳⢴⢵⢶⢷⣰⣱⣲⣳⣴⣵⣶⣷⢸⢹⢺⢻⢼⢽⢾⢿⣸⣹⣺⣻⣼⣽⣾⣿";
|
||||
|
||||
public int WidthPixels {get; }
|
||||
public int HeightPixels { get; }
|
||||
|
||||
public Func<int,int,bool> PixelIsLit {get;}
|
||||
|
||||
public BitmapToBraille (int widthPixels, int heightPixels, Func<int, int, bool> pixelIsLit)
|
||||
{
|
||||
WidthPixels = widthPixels;
|
||||
HeightPixels = heightPixels;
|
||||
PixelIsLit = pixelIsLit;
|
||||
}
|
||||
|
||||
public string GenerateImage() {
|
||||
int imageHeightChars = (int) Math.Ceiling((double)HeightPixels / CHAR_HEIGHT);
|
||||
int imageWidthChars = (int) Math.Ceiling((double)WidthPixels / CHAR_WIDTH);
|
||||
|
||||
var result = new StringBuilder();
|
||||
|
||||
for (int y = 0; y < imageHeightChars; y++) {
|
||||
|
||||
for (int x = 0; x < imageWidthChars; x++) {
|
||||
int baseX = x * CHAR_WIDTH;
|
||||
int baseY = y * CHAR_HEIGHT;
|
||||
|
||||
int charIndex = 0;
|
||||
int value = 1;
|
||||
|
||||
for (int charX = 0; charX < CHAR_WIDTH; charX++) {
|
||||
for (int charY = 0; charY < CHAR_HEIGHT; charY++) {
|
||||
int bitmapX = baseX + charX;
|
||||
int bitmapY = baseY + charY;
|
||||
bool pixelExists = bitmapX < WidthPixels && bitmapY < HeightPixels;
|
||||
|
||||
if (pixelExists && PixelIsLit(bitmapX, bitmapY)) {
|
||||
charIndex += value;
|
||||
}
|
||||
value *= 2;
|
||||
}
|
||||
}
|
||||
|
||||
result.Append(CHARS[charIndex]);
|
||||
}
|
||||
result.Append('\n');
|
||||
}
|
||||
return result.ToString().TrimEnd();
|
||||
}
|
||||
}
|
||||
|
||||
class ImageView : View {
|
||||
private int frameCount;
|
||||
private int currentFrame = 0;
|
||||
|
||||
private Image<Rgba32>[] fullResImages;
|
||||
private Image<Rgba32>[] matchSizes;
|
||||
|
||||
internal void SetImage (Image<Rgba32> image)
|
||||
{
|
||||
frameCount = image.Frames.Count;
|
||||
|
||||
fullResImages = new Image<Rgba32>[frameCount];
|
||||
|
||||
for(int i=0;i<frameCount-1;i++)
|
||||
{
|
||||
fullResImages[i] = image.Frames.ExportFrame(0);
|
||||
}
|
||||
fullResImages[frameCount-1] = image;
|
||||
|
||||
this.SetNeedsDisplay ();
|
||||
}
|
||||
public void NextFrame()
|
||||
{
|
||||
currentFrame = currentFrame+1%frameCount;
|
||||
}
|
||||
|
||||
public override void Redraw (Rect bounds)
|
||||
{
|
||||
base.Redraw (bounds);
|
||||
|
||||
var lines = GetBraille();
|
||||
|
||||
for(int y = 0; y < lines.Length;y++)
|
||||
{
|
||||
var line = lines[y];
|
||||
for(int x = 0;x<line.Length ;x++)
|
||||
{
|
||||
AddRune(x,y,line[x]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private string[] GetBraille ()
|
||||
{
|
||||
var img = fullResImages[currentFrame];
|
||||
|
||||
var braille = new BitmapToBraille(
|
||||
img.Width,
|
||||
img.Height,
|
||||
(x,y)=>IsLit(img,x,y));
|
||||
|
||||
var pix = braille.GenerateImage();
|
||||
return pix.Split('\n');
|
||||
}
|
||||
|
||||
private bool IsLit (Image<Rgba32> img, int x, int y)
|
||||
{
|
||||
var rgb = img[x,y];
|
||||
return rgb.R + rgb.G + rgb.B > 50;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -1,123 +0,0 @@
|
||||
using SixLabors.ImageSharp;
|
||||
using SixLabors.ImageSharp.ColorSpaces;
|
||||
using SixLabors.ImageSharp.PixelFormats;
|
||||
using SixLabors.ImageSharp.Processing;
|
||||
using System;
|
||||
using System.Collections.Concurrent;
|
||||
using System.Collections.Generic;
|
||||
using System.IO;
|
||||
using Terminal.Gui;
|
||||
using Attribute = Terminal.Gui.Attribute;
|
||||
|
||||
namespace UICatalog.Scenarios {
|
||||
[ScenarioMetadata (Name: "Images", Description: "Demonstration of how to render an image with/without true color support.")]
|
||||
[ScenarioCategory ("Colors")]
|
||||
public class Images : Scenario
|
||||
{
|
||||
public override void Setup ()
|
||||
{
|
||||
base.Setup ();
|
||||
|
||||
var x = 0;
|
||||
var y = 0;
|
||||
|
||||
var canTrueColor = Application.Driver.SupportsTrueColorOutput;
|
||||
|
||||
var lblDriverName = new Label ($"Current driver is {Application.Driver.GetType ().Name}") {
|
||||
X = x,
|
||||
Y = y++
|
||||
};
|
||||
Win.Add (lblDriverName);
|
||||
y++;
|
||||
|
||||
var cbSupportsTrueColor = new CheckBox ("Driver supports true color ") {
|
||||
X = x,
|
||||
Y = y++,
|
||||
Checked = canTrueColor,
|
||||
CanFocus = false
|
||||
};
|
||||
Win.Add (cbSupportsTrueColor);
|
||||
|
||||
var cbUseTrueColor = new CheckBox ("Use true color") {
|
||||
X = x,
|
||||
Y = y++,
|
||||
Checked = Application.Driver.UseTrueColor,
|
||||
Enabled = canTrueColor,
|
||||
};
|
||||
cbUseTrueColor.Toggled += (_) => Application.Driver.UseTrueColor = cbUseTrueColor.Checked;
|
||||
Win.Add (cbUseTrueColor);
|
||||
|
||||
var btnOpenImage = new Button ("Open Image") {
|
||||
X = x,
|
||||
Y = y++
|
||||
};
|
||||
Win.Add (btnOpenImage);
|
||||
|
||||
var imageView = new ImageView () {
|
||||
X = x,
|
||||
Y = y++,
|
||||
Width = Dim.Fill(),
|
||||
Height = Dim.Fill(),
|
||||
};
|
||||
Win.Add (imageView);
|
||||
|
||||
btnOpenImage.Clicked += () => {
|
||||
var ofd = new OpenDialog ("Open Image", "Image");
|
||||
Application.Run (ofd);
|
||||
|
||||
var path = ofd.FilePath.ToString ();
|
||||
|
||||
if (string.IsNullOrWhiteSpace (path)) {
|
||||
return;
|
||||
}
|
||||
|
||||
if(!File.Exists(path)) {
|
||||
return;
|
||||
}
|
||||
|
||||
imageView.SetImage(Image.Load<Rgba32> (File.ReadAllBytes (path)));
|
||||
};
|
||||
}
|
||||
|
||||
class ImageView : View {
|
||||
|
||||
private Image<Rgba32> fullResImage;
|
||||
private Image<Rgba32> matchSize;
|
||||
|
||||
ConcurrentDictionary<Rgba32, Attribute> cache = new ConcurrentDictionary<Rgba32, Attribute>();
|
||||
|
||||
internal void SetImage (Image<Rgba32> image)
|
||||
{
|
||||
fullResImage = image;
|
||||
this.SetNeedsDisplay ();
|
||||
}
|
||||
|
||||
public override void Redraw (Rect bounds)
|
||||
{
|
||||
base.Redraw (bounds);
|
||||
|
||||
if (fullResImage == null) {
|
||||
return;
|
||||
}
|
||||
|
||||
// if we have not got a cached resized image of this size
|
||||
if(matchSize == null || bounds.Width != matchSize.Width || bounds.Height != matchSize.Height) {
|
||||
|
||||
// generate one
|
||||
matchSize = fullResImage.Clone (x => x.Resize (bounds.Width, bounds.Height));
|
||||
}
|
||||
|
||||
for (int y = 0; y < bounds.Height; y++) {
|
||||
for (int x = 0; x < bounds.Width; x++) {
|
||||
var rgb = matchSize [x, y];
|
||||
|
||||
var attr = cache.GetOrAdd (rgb, (rgb) => new Attribute (new TrueColor (), new TrueColor (rgb.R, rgb.G, rgb.B)));
|
||||
|
||||
Driver.SetAttribute(attr);
|
||||
AddRune (x, y, ' ');
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -18,6 +18,9 @@
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
|
||||
<DefineConstants>TRACE;DEBUG_IDISPOSABLE</DefineConstants>
|
||||
</PropertyGroup>
|
||||
<ItemGroup>
|
||||
<None Update="./Scenarios/Spinning_globe_dark_small.gif" CopyToOutputDirectory="PreserveNewest" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<PackageReference Include="SixLabors.ImageSharp" Version="2.1.3" />
|
||||
<PackageReference Include="CsvHelper" Version="30.0.1" />
|
||||
|
||||
Reference in New Issue
Block a user