Display JPGs in Viewer with Split Screen and ColorSpaceXform

tools/viewer/ImageSlide.h

+/*
+* Copyright 2016 Google Inc.
+*
+* Use of this source code is governed by a BSD-style license that can be
+* found in the LICENSE file.
+*/
+
+#ifndef ImageSlide_DEFINED
+#define ImageSlide_DEFINED
+
+#include "Slide.h"
+#include "SkPicture.h"
+#include "SkImage.h"
+
+static const char* kImageColorXformMetaData = "ImageColorSpaceXform";
+
+class ImageSlide : public Slide {
+public:
+    ImageSlide(const SkString& name, const SkString& path);
+
+    SkISize getDimensions() const override;
+
+    void draw(SkCanvas* canvas) override;
+    void load() override;
+    void unload() override;
+
+private:
+    SkString               fPath;
+    sk_sp<const SkImage>   fImage;
+    SkBitmap               fOriginalBitmap, fXformedBitmap;

[msarett, 2016/06/13 14:56:26]

nit: Skia style puts these fields on two separate lines.
nit: kLegacyBitmap (or something else) might be a better name than
kOriginalBitmap?

[liyuqian, 2016/06/13 16:10:40]

Done.

+};
+
+#endif