[EGIT] [efl] 31/34: ecore_drm2: Add API to return Display DPI

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commit 3abd0933604edd2bfdff84fd401d90aab56d6e01
Author: Christopher Michael <devilho...@comcast.net>
AuthorDate: Wed Jan 17 07:22:11 2024 -0500

    ecore_drm2: Add API to return Display DPI
---
 src/lib/ecore_drm2/Ecore_Drm2.h          |  1 +
 src/lib/ecore_drm2/ecore_drm2_displays.c | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/src/lib/ecore_drm2/Ecore_Drm2.h b/src/lib/ecore_drm2/Ecore_Drm2.h
index eea8d0ae55..0261484989 100644
--- a/src/lib/ecore_drm2/Ecore_Drm2.h
+++ b/src/lib/ecore_drm2/Ecore_Drm2.h
@@ -110,6 +110,7 @@ EAPI Eina_Bool ecore_drm2_display_possible_crtc_get(Ecore_Drm2_Display *disp, Ec
 EAPI int ecore_drm2_display_supported_rotations_get(Ecore_Drm2_Display *disp);
 EAPI void ecore_drm2_display_relative_mode_set(Ecore_Drm2_Display *disp, Ecore_Drm2_Relative_Mode mode);
 EAPI void ecore_drm2_display_relative_to_set(Ecore_Drm2_Display *disp, const char *relative);
+EAPI void ecore_drm2_display_dpi_get(Ecore_Drm2_Display *disp, int *xdpi, int *ydpi);
 
 # endif
 
diff --git a/src/lib/ecore_drm2/ecore_drm2_displays.c b/src/lib/ecore_drm2/ecore_drm2_displays.c
index 7d420e4f58..2809a2368e 100644
--- a/src/lib/ecore_drm2/ecore_drm2_displays.c
+++ b/src/lib/ecore_drm2/ecore_drm2_displays.c
@@ -950,3 +950,16 @@ ecore_drm2_display_relative_to_set(Ecore_Drm2_Display *disp, const char *relativ
    EINA_SAFETY_ON_NULL_RETURN(disp);
    eina_stringshare_replace(&disp->relative.to, relative);
 }
+
+EAPI void
+ecore_drm2_display_dpi_get(Ecore_Drm2_Display *disp, int *xdpi, int *ydpi)
+{
+   EINA_SAFETY_ON_NULL_RETURN(disp);
+   EINA_SAFETY_ON_TRUE_RETURN(!disp->state.current->enabled);
+
+   if (xdpi)
+     *xdpi = ((25.4 * (disp->state.current->mode->width)) / disp->pw);
+
+   if (ydpi)
+     *ydpi = ((25.4 * (disp->state.current->mode->height)) / disp->ph);
+}


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