Provides various implementations of Android's SkBitmapRegionDecoder.
Implements testing in DM for these implementations.
nanobench testing will follow after this.
TBR=scroggo
BUG=skia:
Committed: https://skia.googlesource.com/skia/+/76f755e6d54a32f9887ad254ce59a3a62f28bde4
Review URL: https://codereview.chromium.org/1288963002
diff --git a/dm/DMSrcSink.h b/dm/DMSrcSink.h
index efae871..fe6c91d 100644
--- a/dm/DMSrcSink.h
+++ b/dm/DMSrcSink.h
@@ -12,6 +12,7 @@
#include "SkBBHFactory.h"
#include "SkBBoxHierarchy.h"
#include "SkBitmap.h"
+#include "SkBitmapRegionDecoderInterface.h"
#include "SkCanvas.h"
#include "SkData.h"
#include "SkGPipe.h"
@@ -128,6 +129,34 @@
float fScale;
};
+// Allows for testing of various implementations of Android's BitmapRegionDecoder
+class BRDSrc : public Src {
+public:
+ enum Mode {
+ // Decode the entire image as one region.
+ kFullImage_Mode,
+ // Splits the image into multiple regions using a divisor and decodes the regions
+ // separately. Also, this test adds a border of a few pixels to each of the regions
+ // that it is decoding. This tests the behavior when a client asks for a region that
+ // does not fully fit in the image.
+ kDivisor_Mode,
+ };
+
+ BRDSrc(Path, SkBitmapRegionDecoderInterface::Strategy, Mode, CodecSrc::DstColorType, uint32_t);
+
+ static float GetScale(uint32_t sampleSize) { return 1.0f / (float) sampleSize; }
+
+ Error draw(SkCanvas*) const override;
+ SkISize size() const override;
+ Name name() const override;
+ bool veto(SinkFlags) const override;
+private:
+ Path fPath;
+ SkBitmapRegionDecoderInterface::Strategy fStrategy;
+ Mode fMode;
+ CodecSrc::DstColorType fDstColorType;
+ uint32_t fSampleSize;
+};
class ImageSrc : public Src {
public: