foldcc/XCharts
1
0
Fork 0
mirror of https://github.com/XCharts-Team/XCharts.git synced 2026-05-19 23:10:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

[feature][API] add SaveAsImage()

Browse Source
This commit is contained in:
monitor1394
2022-09-22 08:37:56 +08:00
parent eba8986f18
commit bd9a0df52b
8 changed files with 147 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
Runtime/Internal/Utilities/ChartHelper.cs
View File

@@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
using UnityEngine;
@@ -896,5 +897,62 @@ namespace XCharts.Runtime
if (valueOrRate >= -maxRate && valueOrRate <= maxRate) return valueOrRate * total;
else return valueOrRate;
}
[DllImport("__Internal")]
private static extern void Download(string base64str, string fileName);
public static Texture2D SaveAsImage(RectTransform rectTransform, Canvas canvas, string imageType = "png", string path = "")
{
var cam = canvas.renderMode == RenderMode.ScreenSpaceOverlay ? null : canvas.worldCamera;
var pos = RectTransformUtility.WorldToScreenPoint(cam, rectTransform.position);
var width = rectTransform.rect.width * canvas.scaleFactor;
var height = rectTransform.rect.height * canvas.scaleFactor;
var posX = pos.x + rectTransform.rect.xMin * canvas.scaleFactor;
var posY = pos.y + rectTransform.rect.yMin * canvas.scaleFactor;
var rect = new Rect(posX, posY, width, height);
var tex = new Texture2D((int) width, (int) height, TextureFormat.RGBA32, false);
tex.ReadPixels(rect, 0, 0);
tex.Apply();
byte[] bytes;
switch (imageType)
{
case "png":
bytes = tex.EncodeToPNG();
break;
case "jpg":
bytes = tex.EncodeToJPG();
break;
case "exr":
bytes = tex.EncodeToEXR();
break;
default:
Debug.LogError("SaveAsImage ERROR: not support image type:" + imageType);
return null;
}
var fileName = rectTransform.name + "." + imageType;
#if UNITY_WEBGL
string base64str = Convert.ToBase64String(bytes);
Download(base64str, fileName);
Debug.Log("SaveAsImage: download by brower:" + fileName);
return tex;
#endif
if (string.IsNullOrEmpty(path))
{
var dir = Application.persistentDataPath + "/SavedImage";
#if UNITY_EDITOR
dir = Application.dataPath + "/../SavedImage";
#else
dir = Application.persistentDataPath + "/SavedImage";
#endif
if (!System.IO.Directory.Exists(dir))
{
System.IO.Directory.CreateDirectory(dir);
}
path = dir + "/" + fileName;
}
System.IO.File.WriteAllBytes(path, bytes);
Debug.Log("SaveAsImage:" + path);
return tex;
}
}
}