Cache the transparent colour instead of calling a function for every pixel.

svn-id: r42192

2 files changed, 6 insertions, 2 deletions

diff --git a/engines/draci/font.cpp b/engines/draci/font.cpp
index 17ff8644cb..8a6f353876 100644
--- a/engines/draci/font.cpp
+++ b/engines/draci/font.cpp
@@ -162,6 +162,8 @@ void Font::drawChar(Surface *dst, uint8 chr, int tx, int ty, bool markDirty) con
 	int ySpaceLeft = dst->h - ty - 1;	
 	int yPixelsToDraw = (_fontHeight < ySpaceLeft) ? _fontHeight : ySpaceLeft;
 
+	int _transparent = dst->getTransparentColour();
+
 	for (int y = 0; y < yPixelsToDraw; ++y) {
 		for (int x = 0; x <= xPixelsToDraw; ++x) {
 
@@ -189,7 +191,7 @@ void Font::drawChar(Surface *dst, uint8 chr, int tx, int ty, bool markDirty) con
 			}
 			
 			// Paint pixel (if not transparent)
-			if (colour != dst->getTransparentColour())			
+			if (colour != _transparent)			
 				ptr[x] = colour;
 		}
 
diff --git a/engines/draci/sprite.cpp b/engines/draci/sprite.cpp
index bd442e5ee8..32f9d04171 100644
--- a/engines/draci/sprite.cpp
+++ b/engines/draci/sprite.cpp
@@ -142,12 +142,14 @@ void Sprite::draw(Surface *surface, bool markDirty) const {
 	byte *dst = (byte *)surface->getBasePtr(clippedDestRect.left, clippedDestRect.top);
 	byte *src = _data;
 
+	int _transparent = surface->getTransparentColour();
+
 	// Blit the sprite to the surface
 	for (int i = sourceRect.top; i < sourceRect.bottom; ++i) {
 		for (int j = sourceRect.left; j < sourceRect.right; ++j) {
 			
 			// Don't blit if the pixel is transparent on the target surface
-			if (src[i * _width + j] != surface->getTransparentColour())	{
+			if (src[i * _width + j] != _transparent) {
 
 				// Draw the sprite mirrored if the _mirror flag is set						
 				if (_mirror) {