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Working on some basic data conversions.

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Creeper Lv
2025-12-26 22:49:47 +11:00
parent bdeeda44c3
commit 460cc8edd9
5 changed files with 117 additions and 21 deletions
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98
Progrart.Core/JSExecution/ProgrartConversion.cs
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@@ -1,4 +1,6 @@
using Jint.Native;
using Jint;
using Jint.Native;
using Progrart.Core.Graphics;
using SkiaSharp;
using System;
using System.Collections.Generic;
@@ -8,8 +10,102 @@ namespace Progrart.Core.JSExecution
{
public static class ProgrartConversion
{
public static SKColorF ObtainSKColorFFromJsObject(JsObject jsObject)
{
var r = (float)jsObject.Get("r").AsNumber();
var g = (float)jsObject.Get("g").AsNumber();
var b = (float)jsObject.Get("b").AsNumber();
float a = 1;
if (jsObject.TryGetValue("a", out var a_str))
{
a = (float)a_str.AsNumber();
}
return new SKColorF(r, g, b, a);
}
public static SKShader? ObtainFromJsObject(JsObject jsObject)
{
var type_str = jsObject.Get("Type").AsString();
if (Enum.TryParse<ShaderType>(type_str, out var type))
{
switch (type)
{
case ShaderType.LinearGradient:
{
var sx = (float)jsObject.Get("Start").Get("x").AsNumber();
var sy = (float)jsObject.Get("Start").Get("y").AsNumber();
var ex = (float)jsObject.Get("End").Get("x").AsNumber();
var ey = (float)jsObject.Get("End").Get("y").AsNumber();
SKColor C0 = SKColors.Black;
SKColor C1 = SKColors.White;
float p0 = 0;
float p1 = 1;
if (jsObject.Get("Colors") is JsArray color_array)
{
if (color_array[0] is JsObject c0)
if (color_array[1] is JsObject c1)
{
C0 = (SKColor)ObtainSKColorFFromJsObject(c0);
C1 = (SKColor)ObtainSKColorFFromJsObject(c1);
}
}
if (jsObject.Get("Positions") is JsArray pos_array)
{
if (pos_array[0] is JsNumber P0)
if (pos_array[1] is JsNumber P1)
{
p0 = (float)P0.AsNumber();
p1 = (float)P1.AsNumber();
}
}
var TileMode_str = jsObject.Get("TileMode").AsString();
if (Enum.TryParse<SKShaderTileMode>(TileMode_str, out var SKShaderTileMode))
return SKShader.CreateLinearGradient(new SKPoint(sx, sy), new SKPoint(ex, ey),
[C0, C1], [p0, p1], SKShaderTileMode);
}
break;
case ShaderType.RadialGradient:
{
var sx = (float)jsObject.Get("Center").Get("x").AsNumber();
var sy = (float)jsObject.Get("Center").Get("y").AsNumber();
var radius = (float)jsObject.Get("Radius").AsNumber();
SKColor C0 = SKColors.Black;
SKColor C1 = SKColors.White;
float p0 = 0;
float p1 = 1;
if (jsObject.Get("Colors") is JsArray color_array)
{
if (color_array[0] is JsObject c0)
if (color_array[1] is JsObject c1)
{
C0 = (SKColor)ObtainSKColorFFromJsObject(c0);
C1 = (SKColor)ObtainSKColorFFromJsObject(c1);
}
}
if (jsObject.Get("Positions") is JsArray pos_array)
{
if (pos_array[0] is JsNumber P0)
if (pos_array[1] is JsNumber P1)
{
p0 = (float)P0.AsNumber();
p1 = (float)P1.AsNumber();
}
}
var TileMode_str = jsObject.Get("TileMode").AsString();
if (Enum.TryParse<SKShaderTileMode>(TileMode_str, out var SKShaderTileMode))
return SKShader.CreateRadialGradient(new SKPoint(sx, sy), radius,
[C0, C1], [p0, p1], SKShaderTileMode);
}
break;
case ShaderType.Picture:
break;
default:
break;
}
}
return null;
}
}