Delete SkRectShaderImageFilter

tests/ShaderImageFilterTest.cpp

-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkCanvas.h"
-#include "SkGradientShader.h"
-#include "SkRectShaderImageFilter.h"
-#include "SkShader.h"
-#include "Test.h"
-
-DEF_TEST(ShaderImageFilter, reporter) {
-    int w = 10, h = 10;
-    SkRect r = SkRect::MakeWH(SkIntToScalar(w), SkIntToScalar(h)); // Make small 10x10 gradient
-
-    SkBitmap filterResult, shaderResult;
-
-    filterResult.allocN32Pixels(w, h);
-    SkCanvas canvasFilter(filterResult);
-    canvasFilter.clear(0x00000000);
-
-    shaderResult.allocN32Pixels(w, h);
-    SkCanvas canvasShader(shaderResult);
-    canvasShader.clear(0x00000000);
-
-    SkPoint center = SkPoint::Make(SkIntToScalar(5), SkIntToScalar(5));
-    SkColor colors[] = {SK_ColorBLUE, SK_ColorRED, SK_ColorGREEN};
-    SkScalar pos[] = {0, SK_ScalarHalf, SK_Scalar1};
-    SkScalar radius = SkIntToScalar(5);
-
-    // Test using the image filter
-    {
-        SkShader* s = SkGradientShader::CreateRadial(
-            center, radius, colors, pos, SK_ARRAY_COUNT(colors), SkShader::kClamp_TileMode);
-        SkPaint paint;
-        SkImageFilter::CropRect cr(r);
-        paint.setImageFilter(SkRectShaderImageFilter::Create(s, &cr))->unref();
-        canvasFilter.drawRect(r, paint);
-        s->unref();
-    }
-
-    // Test using the shader directly
-    {
-        SkShader* s = SkGradientShader::CreateRadial(
-            center, radius, colors, pos, SK_ARRAY_COUNT(colors), SkShader::kClamp_TileMode);
-        SkPaint paint;
-        paint.setShader(s)->unref();
-        canvasShader.drawRect(r, paint);
-    }
-
-    // Assert that both paths yielded the same result
-    for (int y = 0; y < r.height(); ++y) {
-        const SkPMColor* filterPtr = filterResult.getAddr32(0, y);
-        const SkPMColor* shaderPtr = shaderResult.getAddr32(0, y);
-        for (int x = 0; x < r.width(); ++x, ++filterPtr, ++shaderPtr) {
-            REPORTER_ASSERT(reporter, *filterPtr == *shaderPtr);
-        }
-    }
-}