Revert "Implement a resize image filter."

gm/resizeimagefilter.cpp

-/*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "gm.h"
-#include "SkColor.h"
-#include "SkResizeImageFilter.h"
-
-namespace skiagm {
-
-class ResizeGM : public GM {
-public:
-    ResizeGM() {
-        this->setBGColor(0x00000000);
-    }
-
-protected:
-    virtual SkString onShortName() {
-        return SkString("resizeimagefilter");
-    }
-
-    void draw(SkCanvas* canvas,
-              const SkRect& rect,
-              const SkSize& deviceSize,
-              SkPaint::FilterLevel filterLevel) {
-        SkRect dstRect;
-        canvas->getTotalMatrix().mapRect(&dstRect, rect);
-        canvas->save();
-        SkScalar deviceScaleX = SkScalarDiv(deviceSize.width(), dstRect.width());
-        SkScalar deviceScaleY = SkScalarDiv(deviceSize.height(), dstRect.height());
-        canvas->translate(rect.x(), rect.y());
-        canvas->scale(deviceScaleX, deviceScaleY);
-        canvas->translate(-rect.x(), -rect.y());
-        SkAutoTUnref<SkImageFilter> imageFilter(
-            new SkResizeImageFilter(SkScalarInvert(deviceScaleX),
-                                    SkScalarInvert(deviceScaleY),
-                                    filterLevel));
-        SkPaint filteredPaint;
-        filteredPaint.setImageFilter(imageFilter.get());
-        canvas->saveLayer(&rect, &filteredPaint);
-        SkPaint paint;
-        paint.setColor(0xFF00FF00);
-        SkRect ovalRect = rect;
-        ovalRect.inset(SkIntToScalar(4), SkIntToScalar(4));
-        canvas->drawOval(ovalRect, paint);
-        canvas->restore(); // for saveLayer
-        canvas->restore();
-    }
-
-    virtual SkISize onISize() {
-        return make_isize(420, 100);
-    }
-
-    virtual void onDraw(SkCanvas* canvas) {
-        canvas->clear(0x00000000);
-
-        SkRect srcRect = SkRect::MakeWH(96, 96);
-
-        SkSize deviceSize = SkSize::Make(16, 16);
-        draw(canvas,
-             srcRect,
-             deviceSize,
-             SkPaint::kNone_FilterLevel);
-
-        canvas->translate(srcRect.width() + SkIntToScalar(10), 0);
-        draw(canvas,
-             srcRect,
-             deviceSize,
-             SkPaint::kLow_FilterLevel);
-
-        canvas->translate(srcRect.width() + SkIntToScalar(10), 0);
-        draw(canvas,
-             srcRect,
-             deviceSize,
-             SkPaint::kMedium_FilterLevel);
-
-        canvas->translate(srcRect.width() + SkIntToScalar(10), 0);
-        draw(canvas,
-             srcRect,
-             deviceSize,
-             SkPaint::kHigh_FilterLevel);
-    }
-
-private:
-    typedef GM INHERITED;
-};
-
-//////////////////////////////////////////////////////////////////////////////
-
-static GM* MyFactory(void*) { return new ResizeGM; }
-static GMRegistry reg(MyFactory);
-
-}