Fix C# 14 SequenceEqual overload resolution issue

Use AsEnumerable() to force LINQ overload instead of span overload in TextRendererTests to avoid C# 14 breaking change warnings.

Author: ANcpLua

CreatePdf.NET.Tests/TextRendererTests.cs

@@ -115,7 +115,7 @@ public void RenderGlyph_FillsCorrectPixels()
 
         TextRenderer.RenderGlyph(bitmap, width, glyph, 20, 20, 2);
 
-        bitmap.Should().Contain(true, "character 'I' should have visible pixels");
+        bitmap.Should().Contain(expected: true, "character 'I' should have visible pixels");
     }
 
     [Fact]
@@ -198,8 +198,8 @@ public void RenderBitmap_PixelPerfectTest()
         var pixels = image.GetPixelMemory().ToArray();
 
         pixels.Chunk(3)
-            .Should().Contain(rgb => rgb.SequenceEqual(new byte[] { 255, 255, 255 }), "should have white pixels")
-            .And.Contain(rgb => rgb.SequenceEqual(new byte[] { 0, 0, 0 }), "should have black pixels");
+            .Should().Contain(rgb => rgb.AsEnumerable().SequenceEqual(new byte[] { 255, 255, 255 }), "should have white pixels")
+            .And.Contain(rgb => rgb.AsEnumerable().SequenceEqual(new byte[] { 0, 0, 0 }), "should have black pixels");
     }
 
     [Fact]

CreatePdf.NET.Tests/TextWrapperTests.cs

@@ -130,8 +130,10 @@ public void Measure_CalculatesCorrectWidth()
     [Fact]
     public void Wrap_RealWorldExample_HandlesCorrectly()
     {
-        const string text = @"This is a real-world example of text that might appear in a PDF document. 
-It contains multiple sentences, various punctuation marks, and even some numbers like 123.45!";
+        const string text = """
+                            This is a real-world example of text that might appear in a PDF document.
+                            It contains multiple sentences, various punctuation marks, and even some numbers like 123.45!
+                            """;
 
         var result = TextWrapper.Wrap(text, 14, 400);
 

CreatePdf.NET/Internal/TextRenderer.cs

@@ -331,8 +331,8 @@ public static BitmapImage RenderBitmap(ReadOnlySpan<char> text, Dye textDye, Dye
 
     internal static (int Width, int Height) CalculateDimensions(int charCount, int scale)
     {
-        var textWidth = (charCount * (CharWidth + CharSpacing) * scale) - (CharSpacing * scale);
-        return (Math.Max(textWidth, 0) + (Padding * 2), (CharHeight * scale) + (Padding * 2));
+        var textWidth = charCount * (CharWidth + CharSpacing) * scale - CharSpacing * scale;
+        return (Math.Max(textWidth, 0) + Padding * 2, CharHeight * scale + Padding * 2);
     }
 
     private static char[] ExtractRenderableChars(ReadOnlySpan<char> text)
@@ -371,7 +371,7 @@ internal static void RenderGlyph(bool[] bitmap, int width, byte[] glyph, int x,
             var glyphRow = glyph[row];
             for (var col = 0; col < CharWidth; col++)
                 if ((glyphRow & (1 << (CharWidth - 1 - col))) != 0)
-                    FillPixel(bitmap, width, x + (col * scale), y + (row * scale), scale);
+                    FillPixel(bitmap, width, x + col * scale, y + row * scale, scale);
         }
     }
 
@@ -386,8 +386,9 @@ private static void FillPixel(bool[] bitmap, int width, int x, int y, int scale)
                 var col = x + dx;
                 if (row < 0 || col < 0 || width <= 0 || row >= height || col >= width)
                     continue;
-                var pixelIndex = (row * width) + col;
-                if (pixelIndex < bitmap.Length) bitmap[pixelIndex] = true;
+                var pixelIndex = row * width + col;
+                if (pixelIndex < bitmap.Length)
+                    bitmap[pixelIndex] = true;
             }
         }
     }