Display: report ppi to 0 if screen size is not available

CarterLi · CarterLi · commit 601b9706b516 · 2024-11-21T21:44:05.000+08:00
diff --git a/src/modules/display/display.c b/src/modules/display/display.c
@@ -148,7 +148,7 @@ void ffPrintDisplay(FFDisplayOptions* options)
         }
         else
         {
-            double ppi = sqrt(result->width * result->width + result->height * result->height) / inch;
+            double ppi = inch == 0 ? 0 : sqrt(result->width * result->width + result->height * result->height) / inch;
             bool hdrEnabled = result->hdrStatus == FF_DISPLAY_HDR_STATUS_ENABLED;
             bool hdrCompatible = result->hdrStatus == FF_DISPLAY_HDR_STATUS_SUPPORTED || result->hdrStatus == FF_DISPLAY_HDR_STATUS_ENABLED;
             uint32_t iInch = (uint32_t) (inch + 0.5), iPpi = (uint32_t) (ppi + 0.5);

Original file line number	Diff line number	Diff line change
`@@ -148,7 +148,7 @@ void ffPrintDisplay(FFDisplayOptions* options)`
`148`	`148`	`}`
`149`	`149`	`else`
`150`	`150`	`{`
`151`		`- double ppi = sqrt(result->width * result->width + result->height * result->height) / inch;`
	`151`	`+ double ppi = inch == 0 ? 0 : sqrt(result->width * result->width + result->height * result->height) / inch;`
`152`	`152`	`bool hdrEnabled = result->hdrStatus == FF_DISPLAY_HDR_STATUS_ENABLED;`
`153`	`153`	`bool hdrCompatible = result->hdrStatus == FF_DISPLAY_HDR_STATUS_SUPPORTED \|\| result->hdrStatus == FF_DISPLAY_HDR_STATUS_ENABLED;`
`154`	`154`	`uint32_t iInch = (uint32_t) (inch + 0.5), iPpi = (uint32_t) (ppi + 0.5);`