Change behavior of setBitmap to cleanly reset the canvas

 - identity matrix
 - no save stack
 - wide-open clip

This reverts commit 4f641d1e4586b027969052cc0ad6b65c1158e72e

Test: bit CtsGraphicsTestCases:.CanvasTest
Bug: 36218535
Change-Id: Id11deb06e37d6df61f1f171d424ab150d812a7a8

1 files changed, 0 insertions, 26 deletions

diff --git a/libs/hwui/SkiaCanvas.cpp b/libs/hwui/SkiaCanvas.cpp
index 9f649ead2b52..c1cad7dd4923 100644
--- a/libs/hwui/SkiaCanvas.cpp
+++ b/libs/hwui/SkiaCanvas.cpp
@@ -80,38 +80,12 @@ void SkiaCanvas::reset(SkCanvas* skiaCanvas) {
 // Canvas state operations: Replace Bitmap
 // ----------------------------------------------------------------------------
 
-class ClipCopier : public SkCanvas::ClipVisitor {
-public:
-    explicit ClipCopier(SkCanvas* dstCanvas) : m_dstCanvas(dstCanvas) {}
-
-    virtual void clipRect(const SkRect& rect, SkClipOp op, bool antialias) {
-        m_dstCanvas->clipRect(rect, op, antialias);
-    }
-    virtual void clipRRect(const SkRRect& rrect, SkClipOp op, bool antialias) {
-        m_dstCanvas->clipRRect(rrect, op, antialias);
-    }
-    virtual void clipPath(const SkPath& path, SkClipOp op, bool antialias) {
-        m_dstCanvas->clipPath(path, op, antialias);
-    }
-
-private:
-    SkCanvas* m_dstCanvas;
-};
-
 void SkiaCanvas::setBitmap(const SkBitmap& bitmap) {
     sk_sp<SkColorSpace> cs = bitmap.refColorSpace();
     std::unique_ptr<SkCanvas> newCanvas = std::unique_ptr<SkCanvas>(new SkCanvas(bitmap));
     std::unique_ptr<SkCanvas> newCanvasWrapper = SkCreateColorSpaceXformCanvas(newCanvas.get(),
             cs == nullptr ? SkColorSpace::MakeSRGB() : std::move(cs));
 
-    if (!bitmap.isNull()) {
-        // Copy the canvas matrix & clip state.
-        newCanvasWrapper->setMatrix(mCanvas->getTotalMatrix());
-
-        ClipCopier copier(newCanvasWrapper.get());
-        mCanvas->replayClips(&copier);
-    }
-
     // deletes the previously owned canvas (if any)
     mCanvasOwned = std::move(newCanvas);
     mCanvasWrapper = std::move(newCanvasWrapper);