From fa0bb7dd5a60c8f323ecbd5e190ad705bec3e934 Mon Sep 17 00:00:00 2001
From: Colin Snover
Date: Fri, 12 May 2017 12:44:44 -0500
Subject: BACKENDS: Compress screenshots using PNG if available

Closes gh-948.
---
 image/png.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'image/png.h')

diff --git a/image/png.h b/image/png.h
index b7ac91a3d2..7ecf68e76d 100644
--- a/image/png.h
+++ b/image/png.h
@@ -37,6 +37,7 @@
 
 namespace Common {
 class SeekableReadStream;
+class WriteStream;
 }
 
 namespace Graphics {
@@ -62,6 +63,14 @@ private:
 	Graphics::Surface *_outputSurface;
 };
 
+/**
+ * Outputs a compressed PNG stream of the given input surface.
+ *
+ * @param bottomUp Flip the vertical axis so pixel data is drawn from the
+ * bottom up, instead of from the top down.
+ */
+bool writePNG(Common::WriteStream &out, const Graphics::Surface &input, const bool bottomUp = false);
+
 } // End of namespace Image
 
 #endif
-- 
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