Fix low-quality software tile rasterization issues (See here for exam…

…ple: http://i.imgur.com/wcykqEo.png)
openfl · Jan 24, 2014 · cda7b69 · cda7b69
1 parent 60facc4
commit cda7b69
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Showing 2 changed files with 8 additions and 3 deletions.
diff --git a/project/src/renderer/software/BitmapFill.h b/project/src/renderer/software/BitmapFill.h
@@ -208,7 +208,12 @@ class BitmapFillerBase : public Filler
          }
       }
 
-      mMapper.Translate(0.5,0.5);
+      if (mBitmap->smooth)
+      {
+         // map from pixel centers? this breaks nearest-neighbor mapping badly.
+         // not sure if mBitmap->smooth is the right thing to switch this on/off.
+         mMapper.Translate(0.5,0.5);
+      }
 
       if (!mPerspective || inComponents<3)
       {

diff --git a/project/src/renderer/software/TileRenderer.cpp b/project/src/renderer/software/TileRenderer.cpp
@@ -238,8 +238,8 @@ class TileRenderer : public Renderer
                SpanRect *span = new SpanRect(alpha_rect,aa);
                for(int i=0;i<4;i++)
                   span->Line00(
-                       Fixed10( p[i].x + 0.5 , p[i].y + 0.5  ),
-                       Fixed10( p[(i+1)&3].x + 0.5 , p[(i+1)&3].y + 0.5 ) );
+                       Fixed10( p[i].x , p[i].y  ),
+                       Fixed10( p[(i+1)&3].x , p[(i+1)&3].y ) );
 
                AlphaMask *alpha = span->CreateMask(inState.mTransform,tile_alpha);
                delete span;