plug-ins: improve formatting and comments related to resolution expor…

…t ... for PSD's
yingunjun · Aug 24, 2022 · fac6b2f · fac6b2f
1 parent 24886f9
commit fac6b2f
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Showing 2 changed files with 8 additions and 8 deletions.
diff --git a/plug-ins/file-psd/psd-save.c b/plug-ins/file-psd/psd-save.c
@@ -824,10 +824,10 @@ save_resources (GOutputStream  *output,
 
   /* --------------- Write resolution data ------------------- */
   {
-    gdouble xres = 0, yres = 0;
-    guint32 xres_fix, yres_fix;
+    gdouble  xres = 0, yres = 0;
+    guint32  xres_fix, yres_fix;
     GimpUnit g_unit;
-    gint16 psd_unit;
+    gint16   psd_unit;
 
     g_unit = gimp_image_get_unit (image);
     gimp_image_get_resolution (image, &xres, &yres);
@@ -850,10 +850,10 @@ save_resources (GOutputStream  *output,
     write_gint16(output, 0x03ed, "0x03ed Id (resolution)"); /* 1005 */
     write_gint16 (output, 0, "Id name"); /* Set to null string (two zeros) */
     write_gint32 (output, 16, "0x0400 resource size");
-    write_gint32 (output,  xres_fix, "hRes (16.16 fixed point)");
+    write_gint32 (output, xres_fix, "hRes (16.16 fixed point)");
     write_gint16 (output, psd_unit, "hRes unit");
     write_gint16 (output, psd_unit, "width unit");
-    write_gint32 (output,  yres_fix, "vRes (16.16 fixed point)");
+    write_gint32 (output, yres_fix, "vRes (16.16 fixed point)");
     write_gint16 (output, psd_unit, "vRes unit");
     write_gint16 (output, psd_unit, "height unit");
   }

diff --git a/plug-ins/file-psd/psd.h b/plug-ins/file-psd/psd.h
@@ -435,11 +435,11 @@ typedef struct
 /* Image resolution data */
 typedef struct {
   Fixed         hRes;                   /* Horizontal resolution pixels/inch */
-  gint16        hResUnit;               /* Horizontal display resolution unit */
-  gint16        widthUnit;              /* Width unit ?? */
+  gint16        hResUnit;               /* Horizontal display resolution unit (1=pixels per inch, 2=pixels per cm) */
+  gint16        widthUnit;              /* Display width unit (1=inches; 2=cm; 3=points; 4=picas; 5=columns) */
   Fixed         vRes;                   /* Vertical resolution pixels/inch */
   gint16        vResUnit;               /* Vertical display resolution unit */
-  gint16        heightUnit;             /* Height unit ?? */
+  gint16        heightUnit;             /* Display height unit */
 } ResolutionInfo;
 
 /* Grid & guide header */