Videomode: add to_string()

1 files changed, 11 insertions, 0 deletions

diff --git a/kms++/src/videomode.cpp b/kms++/src/videomode.cpp
index 4964a57..b8bd797 100644
--- a/kms++/src/videomode.cpp
+++ b/kms++/src/videomode.cpp
@@ -1,6 +1,7 @@
 #include <xf86drm.h>
 #include <xf86drmMode.h>
 #include <math.h>
+#include <sstream>
 
 #include <kms++/kms++.h>
 #include "helpers.h"
@@ -87,6 +88,16 @@ void Videomode::set_vsync(SyncPolarity pol)
 	}
 }
 
+string Videomode::to_string() const
+{
+	std::stringstream ss;
+	ss << hdisplay << "x" << vdisplay;
+	if (interlace())
+		ss << "i";
+	ss << "@" << calculated_vrefresh();
+	return ss.str();
+}
+
 Videomode videomode_from_timings(uint32_t clock_khz,
 				 uint16_t hact, uint16_t hfp, uint16_t hsw, uint16_t hbp,
 				 uint16_t vact, uint16_t vfp, uint16_t vsw, uint16_t vbp)