ImageMetadata
public static class ImageMetadataWrites resolution (DPI) metadata into encoded PNG (pHYs chunk) and JPEG (JFIF APP0 density) files.
Methods
| Method Signature | Returns | Description |
|---|---|---|
static # GetJpegDpi(byte[] jpeg) | (int, int)? | Reads the JFIF density in DPI (units 1) or null. |
static # GetPngDpi(byte[] png) | (double, double)? | Reads the pHYs resolution in DPI, or null. |
static # SetJpegDpi(byte[] jpeg, double dpiX, double dpiY) | byte[] | Returns the JPEG with JFIF APP0 density set to the resolution in dots per inch (inserts APP0 if missing). |
static # SetPngDpi(byte[] png, double dpiX, double dpiY) | byte[] | Returns the PNG with a pHYs chunk (replacing any existing one) for the given resolution. |