From 149267613a0f9e4b04f63ee71865e5948871cf4f Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Sun, 4 Sep 2016 15:13:27 +0200
Subject: FULLPIPE: Implement FullpipeEngine::drawAlphaRectangle()

---
 engines/fullpipe/gfx.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'engines')

diff --git a/engines/fullpipe/gfx.cpp b/engines/fullpipe/gfx.cpp
index 76d29f7aad..32d23048cd 100644
--- a/engines/fullpipe/gfx.cpp
+++ b/engines/fullpipe/gfx.cpp
@@ -1265,7 +1265,16 @@ DynamicPhase *Shadows::findSize(int width, int height) {
 }
 
 void FullpipeEngine::drawAlphaRectangle(int x1, int y1, int x2, int y2, int alpha) {
-	warning("STUB: FullpipeEngine::drawAlphaRectangle()");
+	for (int y = y1; y < y2; y++) {
+		uint32 *ptr = (uint32 *)g_fp->_backgroundSurface.getBasePtr(0, y);
+
+		for (int x = x1; x < x2; x++) {
+			uint32 color = *ptr;
+			color = (color & 0xffffff00) | (alpha & 0xff);
+			*ptr = color;
+			ptr++;
+		}
+	}
 }
 
 void FullpipeEngine::sceneFade(Scene *sc, bool direction) {
-- 
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