From b82a2f50548c33bc6727a54e193a2cccaf4e12f7 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Sat, 15 Feb 2020 12:47:29 +1100
Subject: Extract image conversion from RGBA to BGRA premultiplied into common
 function.

---
 src/XPM.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/XPM.h')

diff --git a/src/XPM.h b/src/XPM.h
index b7b895cdd..f8c908ecb 100644
--- a/src/XPM.h
+++ b/src/XPM.h
@@ -50,6 +50,7 @@ class RGBAImage {
 	float scale;
 	std::vector<unsigned char> pixelBytes;
 public:
+	static constexpr size_t bytesPerPixel = 4;
 	RGBAImage(int width_, int height_, float scale_, const unsigned char *pixels_);
 	explicit RGBAImage(const XPM &xpm);
 	RGBAImage(const RGBAImage &) = default;
@@ -65,6 +66,7 @@ public:
 	int CountBytes() const;
 	const unsigned char *Pixels() const;
 	void SetPixel(int x, int y, ColourDesired colour, int alpha);
+	static void BGRAFromRGBA(unsigned char *pixelsBGRA, const unsigned char *pixelsRGBA, size_t count) noexcept;
 };
 
 /**
-- 
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