Include screen scale factor on the simulator, as cache is shared.

Fingertips · Oct 11, 2012 · 6c76cce · 6c76cce
1 parent 5d4338c
commit 6c76cce
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/Source/FTPDFIconRenderer.m b/Source/FTPDFIconRenderer.m
@@ -304,6 +304,12 @@ - (NSString *)cachePathWithIdentifier:(NSString *)identifier;
                                                    NSStringFromCGSize(self.targetSize),
                                                    self.sourcePageIndex,
                                                    identifier ?: @""];
+#if TARGET_IPHONE_SIMULATOR
+  // On the simulator, the cache dir is shared between retina and non-retina
+  // devices, so include the device's main screen scale factor to ensure the
+  // right dimensions are used per device.
+  cachePath = [NSString stringWithFormat:@"%@-%f", cachePath, [[UIScreen mainScreen] scale]];
+#endif
   cachePath = FTPDFMD5String(cachePath);
   cachePath = [[[self class] cacheDirectory] stringByAppendingPathComponent:cachePath];
   cachePath = [cachePath stringByAppendingPathExtension:@"png"];