From 1fe164e36f0996fb07f62de0ac38199943818095 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sat, 7 Mar 2020 21:08:29 +0100
Subject: Re-enable drumkit image hover effect.

---
 plugingui/drumkittab.cc |  2 +-
 plugingui/painter.cc    | 72 ++++++++++++-------------------------------------
 plugingui/painter.h     |  3 ++-
 3 files changed, 20 insertions(+), 57 deletions(-)

diff --git a/plugingui/drumkittab.cc b/plugingui/drumkittab.cc
index c3ee62e..8d85f1e 100644
--- a/plugingui/drumkittab.cc
+++ b/plugingui/drumkittab.cc
@@ -270,7 +270,7 @@ void DrumkitTab::init(std::string const& image_file,
 			if(it == colours.end())
 			{
 				// XXX: avoids low alpha values due to feathering of edges
-				colours.emplace_back(colour.red(), colour.green(), colour.blue(), 0.7);
+				colours.emplace_back(colour.red(), colour.green(), colour.blue(), 178);
 				colour_index_to_positions.emplace_back();
 			}
 
diff --git a/plugingui/painter.cc b/plugingui/painter.cc
index d3f28ff..bad5318 100644
--- a/plugingui/painter.cc
+++ b/plugingui/painter.cc
@@ -389,10 +389,7 @@ void Painter::drawImage(int x0, int y0, const Drawable& image)
 					assert(x0 + x < pixbuf.width);
 					assert(y0 + y < pixbuf.height);
 
-					if (!has_restriction || c == restriction_colour)
-					{
-						pixbuf.addPixel(x0 + x, y0 + y, c);
-					}
+					pixbuf.addPixel(x0 + x, y0 + y, c);
 				}
 			}
 		}
@@ -417,8 +414,9 @@ void Painter::drawImage(int x0, int y0, const Drawable& image)
 	}
 }
 
-#if 0
-void Painter::drawImage(int x0, int y0, const Drawable& image)
+void Painter::drawRestrictedImage(int x0, int y0,
+                                  const Colour& restriction_colour,
+                                  const Drawable& image)
 {
 	int fw = image.width();
 	int fh = image.height();
@@ -439,64 +437,28 @@ void Painter::drawImage(int x0, int y0, const Drawable& image)
 		return;
 	}
 
-	if(image.hasAlpha())
+	for(std::size_t y = -1 * std::min(0, y0); y < (std::size_t)fh; ++y)
 	{
-		for(std::size_t y = -1 * std::min(0, y0); y < (std::size_t)fh; ++y)
+		for(std::size_t x = -1 * std::min(0, x0); x < (std::size_t)fw; ++x)
 		{
-			for(std::size_t x = -1 * std::min(0, x0); x < (std::size_t)fw; ++x)
-			{
-				assert(x >= 0);
-				assert(y >= 0);
-				assert(x < image.width());
-				assert(y < image.height());
-				auto& c = image.getPixel(x, y);
+			assert(x >= 0);
+			assert(y >= 0);
+			assert(x < image.width());
+			assert(y < image.height());
+			auto& c = image.getPixel(x, y);
 
-				assert(x0 + x >= 0);
-				assert(y0 + y >= 0);
-				assert(x0 + x < pixbuf.width);
-				assert(y0 + y < pixbuf.height);
+			assert(x0 + x >= 0);
+			assert(y0 + y >= 0);
+			assert(x0 + x < pixbuf.width);
+			assert(y0 + y < pixbuf.height);
 
-				if (!has_restriction || c == restriction_colour)
-				{
-					pixbuf.addPixel(x0 + x, y0 + y, c);
-				}
-			}
-		}
-	}
-	else
-	{
-		for(std::size_t y = -1 * std::min(0, y0); y < (std::size_t)fh; ++y)
-		{
-			for(std::size_t x = -1 * std::min(0, x0); x < (std::size_t)fw; ++x)
+			if(c == restriction_colour)
 			{
-				assert(x >= 0);
-				assert(y >= 0);
-				assert(x < image.width());
-				assert(y < image.height());
-				auto& c = image.getPixel(x, y);
-
-				assert(x0 + x >= 0);
-				assert(y0 + y >= 0);
-				assert(x0 + x < pixbuf.width);
-				assert(y0 + y < pixbuf.height);
-
-				if (!has_restriction || c == restriction_colour)
-				{
-					pixbuf.setPixel(x0 + x, y0 + y, c);
-				}
+				pixbuf.setPixel(x0 + x, y0 + y, c);
 			}
 		}
 	}
 }
-#endif
-
-void Painter::drawRestrictedImage(int x0, int y0, Colour const& colour, const Drawable& image)
-{
-	has_restriction = true;
-	restriction_colour = colour;
-	drawImage(x0, y0, image);
-	has_restriction = false;
-}
 
 void Painter::drawImageStretched(int x0, int y0, const Drawable& image,
                                  int width, int height)
diff --git a/plugingui/painter.h b/plugingui/painter.h
index 2630b0c..d1a8e56 100644
--- a/plugingui/painter.h
+++ b/plugingui/painter.h
@@ -56,7 +56,8 @@ public:
 	void drawCircle(int x, int y, double r);
 	void drawFilledCircle(int x, int y, int r);
 	void drawImage(int x, int y, const Drawable& image);
-	void drawRestrictedImage(int x0, int y0, Colour const& colour, const Drawable& image);
+	void drawRestrictedImage(int x0, int y0, const Colour& restriction_colour,
+	                         const Drawable& image);
 	void drawImageStretched(int x, int y, const Drawable& image,
 	                        int width, int height);
 
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