aboutsummaryrefslogtreecommitdiffhomepage
diff options
context:
space:
mode:
-rw-r--r--src/effects/SkTileImageFilter.cpp11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/effects/SkTileImageFilter.cpp b/src/effects/SkTileImageFilter.cpp
index ca4c15d419..844895c6d8 100644
--- a/src/effects/SkTileImageFilter.cpp
+++ b/src/effects/SkTileImageFilter.cpp
@@ -9,6 +9,7 @@
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkDevice.h"
+#include "SkOffsetImageFilter.h"
#include "SkReadBuffer.h"
#include "SkWriteBuffer.h"
#include "SkMatrix.h"
@@ -21,6 +22,16 @@ SkImageFilter* SkTileImageFilter::Create(const SkRect& srcRect, const SkRect& ds
if (!SkIsValidRect(srcRect) || !SkIsValidRect(dstRect)) {
return nullptr;
}
+ if (srcRect.width() == dstRect.width() && srcRect.height() == dstRect.height()) {
+ SkRect ir = dstRect;
+ if (!ir.intersect(srcRect)) {
+ return SkSafeRef(input);
+ }
+ CropRect cropRect(ir);
+ return SkOffsetImageFilter::Create(dstRect.x() - srcRect.x(),
+ dstRect.y() - srcRect.y(),
+ input, &cropRect);
+ }
return new SkTileImageFilter(srcRect, dstRect, input);
}