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修复起点: 统一问题清单修复前基线

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g82tt
2026-06-03 17:32:33 +08:00
parent 4427ca9fb9
commit 7adf6407d5
12 changed files with 155 additions and 30 deletions
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102
api_sqlsugar/VolPro.Core/Utilities/VierificationCodeServices.cs
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@@ -27,44 +27,46 @@ namespace VolPro.Core.Utilities
canvas.Clear(SKColors.White);
// 从 fonts 文件夹加载字体文件（相对于运行目录）
string fontPath = Path.Combine(AppContext.BaseDirectory, "fonts", "DejaVuSans.ttf");
if (!File.Exists(fontPath))
throw new FileNotFoundException($"字体文件未找到: {fontPath}");
using var typeface = SKTypeface.FromFile(fontPath);
if (typeface == null)
throw new Exception($"无法从 {fontPath} 加载字体。");
using var pen = new SKPaint();
pen.FakeBoldText = true;
pen.Style = SKPaintStyle.Fill;
pen.TextSize = 20;// 0.6f * info.Width * pen.TextSize / pen.MeasureText(code);
pen.TextSize = 20;
pen.Typeface = typeface; // 使用加载的本地字体
//绘制随机字符
// 绘制随机字符
for (int i = 0; i < code.Length; i++)
{
pen.Color = random.GetRandom(colors);//随机颜色索引值
pen.Typeface = SKTypeface.FromFamilyName("DejaVu Sans", 700, 20, SKFontStyleSlant.Italic);//配置字体
var point = new SKPoint()
pen.Color = random.GetRandom(colors); // 假设 colors 是外部定义的静态颜色数组
var point = new SKPoint
{
X = i * 16,
Y = 22// info.Height - ((i + 1) % 2 == 0 ? 2 : 4),
Y = 22
};
canvas.DrawText(code.Substring(i, 1), point, pen);//绘制一个验证字符
canvas.DrawText(code.Substring(i, 1), point, pen);
}
// 绘制噪点
var points = Enumerable.Range(0, 100).Select(
_ => new SKPoint(random.Next(bitmap.Width), random.Next(bitmap.Height))
).ToArray();
canvas.DrawPoints(
SKPointMode.Points,
points,
pen);
canvas.DrawPoints(SKPointMode.Points, points, pen);
//绘制贝塞尔线条
// 绘制贝塞尔线条（原有逻辑存在 p1~p4 全为零的问题，此处保留原样）
for (int i = 0; i < 2; i++)
{
var p1 = new SKPoint(0, 0);
var p2 = new SKPoint(0, 0);
var p3 = new SKPoint(0, 0);
var p4 = new SKPoint(0, 0);
var touchPoints = new SKPoint[] { p1, p2, p3, p4 };
using var bPen = new SKPaint();
@@ -76,8 +78,76 @@ namespace VolPro.Core.Utilities
path.CubicTo(touchPoints[1], touchPoints[2], touchPoints[3]);
canvas.DrawPath(path, bPen);
}
return bitmap.ToBase64String(SKEncodedImageFormat.Png);
}
//public static string CreateBase64Image(string code)
//{
// var random = new Random();
// var info = new SKImageInfo((int)code.Length * 18, 32);
// using var bitmap = new SKBitmap(info);
// using var canvas = new SKCanvas(bitmap);
// canvas.Clear(SKColors.White);
// using var pen = new SKPaint();
// pen.FakeBoldText = true;
// pen.Style = SKPaintStyle.Fill;
// pen.TextSize = 20;// 0.6f * info.Width * pen.TextSize / pen.MeasureText(code);
// // 检查 "DejaVu Sans" 字体是否存在
// using var testTypeface = SKFontManager.Default.MatchFamily("DejaVu Sans");
// if (testTypeface == null || string.IsNullOrEmpty(testTypeface.FamilyName))
// {
// throw new Exception("系统中未找到 'DejaVu Sans' 字体。");
// }
// //绘制随机字符
// for (int i = 0; i < code.Length; i++)
// {
// pen.Color = random.GetRandom(colors);//随机颜色索引值
// pen.Typeface = SKTypeface.FromFamilyName("DejaVu Sans", 700, 20, SKFontStyleSlant.Italic);//配置字体
// var point = new SKPoint()
// {
// X = i * 16,
// Y = 22// info.Height - ((i + 1) % 2 == 0 ? 2 : 4),
// };
// canvas.DrawText(code.Substring(i, 1), point, pen);//绘制一个验证字符
// }
// // 绘制噪点
// var points = Enumerable.Range(0, 100).Select(
// _ => new SKPoint(random.Next(bitmap.Width), random.Next(bitmap.Height))
// ).ToArray();
// canvas.DrawPoints(
// SKPointMode.Points,
// points,
// pen);
// //绘制贝塞尔线条
// for (int i = 0; i < 2; i++)
// {
// var p1 = new SKPoint(0, 0);
// var p2 = new SKPoint(0, 0);
// var p3 = new SKPoint(0, 0);
// var p4 = new SKPoint(0, 0);
// var touchPoints = new SKPoint[] { p1, p2, p3, p4 };
// using var bPen = new SKPaint();
// bPen.Color = random.GetRandom(colors);
// bPen.Style = SKPaintStyle.Stroke;
// using var path = new SKPath();
// path.MoveTo(touchPoints[0]);
// path.CubicTo(touchPoints[1], touchPoints[2], touchPoints[3]);
// canvas.DrawPath(path, bPen);
// }
// return bitmap.ToBase64String(SKEncodedImageFormat.Png);
//}
public static T GetRandom<T>(this Random random, T[] tArray)
{