Fix spectrogram orientation

vadd98 · vadd98 · commit 22e6541cbca4 · 2024-10-31T21:14:35.000+01:00
diff --git a/src/Spectrogram/ImageMaker.cs b/src/Spectrogram/ImageMaker.cs
@@ -88,7 +88,7 @@ public SKBitmap GetBitmap(List<double[]> ffts)
                     value *= Intensity;
                     value = Math.Min(value, 255);
 
-                    int bytePosition = row * width + col;
+                    int bytePosition = (height - 1 - row) * width + col;
                     pixelBuffer[bytePosition] = (byte)value;
                 }
             });

Original file line number	Diff line number	Diff line change
`@@ -88,7 +88,7 @@ public SKBitmap GetBitmap(List<double[]> ffts)`
`88`	`88`	`value *= Intensity;`
`89`	`89`	`value = Math.Min(value, 255);`
`90`	`90`
`91`		`- int bytePosition = row * width + col;`
	`91`	`+ int bytePosition = (height - 1 - row) * width + col;`
`92`	`92`	`pixelBuffer[bytePosition] = (byte)value;`
`93`	`93`	`}`
`94`	`94`	`});`