Remove many unused files from //skia/ext

skia/ext/analysis_canvas_unittest.cc

Index: skia/ext/analysis_canvas_unittest.cc
diff --git a/skia/ext/analysis_canvas_unittest.cc b/skia/ext/analysis_canvas_unittest.cc
deleted file mode 100644
index 8263075be0fd62b2d67006a3ff8ffe1d330a28f3..0000000000000000000000000000000000000000
--- a/skia/ext/analysis_canvas_unittest.cc
+++ /dev/null
@@ -1,394 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/compiler_specific.h"
-#include "skia/ext/analysis_canvas.h"
-#include "skia/ext/refptr.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/skia/include/core/SkPicture.h"
-#include "third_party/skia/include/core/SkPictureRecorder.h"
-#include "third_party/skia/include/core/SkShader.h"
-#include "third_party/skia/include/effects/SkOffsetImageFilter.h"
-
-namespace {
-
-void SolidColorFill(skia::AnalysisCanvas& canvas) {
-  canvas.clear(SkColorSetARGB(255, 255, 255, 255));
-}
-
-void TransparentFill(skia::AnalysisCanvas& canvas) {
-  canvas.clear(SkColorSetARGB(0, 0, 0, 0));
-}
-
-} // namespace
-namespace skia {
-
-TEST(AnalysisCanvasTest, EmptyCanvas) {
-  skia::AnalysisCanvas canvas(255, 255);
-
-  SkColor color;
-  EXPECT_TRUE(canvas.GetColorIfSolid(&color));
-  EXPECT_EQ(color, SkColorSetARGB(0, 0, 0, 0));
-}
-
-TEST(AnalysisCanvasTest, ClearCanvas) {
-  skia::AnalysisCanvas canvas(255, 255);
-
-  // Transparent color
-  SkColor color = SkColorSetARGB(0, 12, 34, 56);
-  canvas.clear(color);
-
-  SkColor outputColor;
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-
-  // Solid color
-  color = SkColorSetARGB(255, 65, 43, 21);
-  canvas.clear(color);
-
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-  EXPECT_EQ(outputColor, color);
-
-  // Translucent color
-  color = SkColorSetARGB(128, 11, 22, 33);
-  canvas.clear(color);
-
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  // Test helper methods
-  SolidColorFill(canvas);
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-
-  TransparentFill(canvas);
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-}
-
-TEST(AnalysisCanvasTest, ComplexActions) {
-  skia::AnalysisCanvas canvas(255, 255);
-
-  // Draw paint test.
-  SkColor color = SkColorSetARGB(255, 11, 22, 33);
-  SkPaint paint;
-  paint.setColor(color);
-
-  canvas.drawPaint(paint);
-
-  SkColor outputColor;
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-
-  // Draw points test.
-  SkPoint points[4] = {
-    SkPoint::Make(0, 0),
-    SkPoint::Make(255, 0),
-    SkPoint::Make(255, 255),
-    SkPoint::Make(0, 255)
-  };
-
-  SolidColorFill(canvas);
-  canvas.drawPoints(SkCanvas::kLines_PointMode, 4, points, paint);
-
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  // Draw oval test.
-  SolidColorFill(canvas);
-  canvas.drawOval(SkRect::MakeWH(255, 255), paint);
-
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  // Draw bitmap test.
-  SolidColorFill(canvas);
-  SkBitmap secondBitmap;
-  secondBitmap.allocN32Pixels(255, 255);
-  canvas.drawBitmap(secondBitmap, 0, 0);
-
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-}
-
-TEST(AnalysisCanvasTest, SimpleDrawRect) {
-  skia::AnalysisCanvas canvas(255, 255);
-
-  SkColor color = SkColorSetARGB(255, 11, 22, 33);
-  SkPaint paint;
-  paint.setColor(color);
-  canvas.clipRect(SkRect::MakeWH(255, 255));
-  canvas.drawRect(SkRect::MakeWH(255, 255), paint);
-
-  SkColor outputColor;
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-  EXPECT_EQ(color, outputColor);
-
-  color = SkColorSetARGB(255, 22, 33, 44);
-  paint.setColor(color);
-  canvas.translate(-128, -128);
-  canvas.drawRect(SkRect::MakeWH(382, 382), paint);
-
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  color = SkColorSetARGB(255, 33, 44, 55);
-  paint.setColor(color);
-  canvas.drawRect(SkRect::MakeWH(383, 383), paint);
-
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-  EXPECT_EQ(color, outputColor);
-
-  color = SkColorSetARGB(0, 0, 0, 0);
-  paint.setColor(color);
-  canvas.drawRect(SkRect::MakeWH(383, 383), paint);
-
-  // This test relies on canvas treating a paint with 0-color as a no-op
-  // thus not changing its "is_solid" status.
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-  EXPECT_EQ(outputColor, SkColorSetARGB(255, 33, 44, 55));
-
-  color = SkColorSetARGB(128, 128, 128, 128);
-  paint.setColor(color);
-  canvas.drawRect(SkRect::MakeWH(383, 383), paint);
-
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  paint.setXfermodeMode(SkXfermode::kClear_Mode);
-  canvas.drawRect(SkRect::MakeWH(382, 382), paint);
-
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  canvas.drawRect(SkRect::MakeWH(383, 383), paint);
-
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-
-  canvas.translate(128, 128);
-  color = SkColorSetARGB(255, 11, 22, 33);
-  paint.setColor(color);
-  paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
-  canvas.drawRect(SkRect::MakeWH(255, 255), paint);
-
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-  EXPECT_EQ(color, outputColor);
-
-  canvas.rotate(50);
-  canvas.drawRect(SkRect::MakeWH(255, 255), paint);
-
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-}
-
-TEST(AnalysisCanvasTest, FilterPaint) {
-  skia::AnalysisCanvas canvas(255, 255);
-  SkPaint paint;
-
-  skia::RefPtr<SkImageFilter> filter = skia::AdoptRef(SkOffsetImageFilter::Create(10, 10));
-  paint.setImageFilter(filter.get());
-  canvas.drawRect(SkRect::MakeWH(255, 255), paint);
-
-  SkColor outputColor;
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-}
-
-TEST(AnalysisCanvasTest, ClipPath) {
-  skia::AnalysisCanvas canvas(255, 255);
-
-  // Skia will look for paths that are actually rects and treat
-  // them as such. We add a divot to the following path to prevent
-  // this optimization and truly test clipPath's behavior.
-  SkPath path;
-  path.moveTo(0, 0);
-  path.lineTo(128, 50);
-  path.lineTo(255, 0);
-  path.lineTo(255, 255);
-  path.lineTo(0, 255);
-
-  SkColor outputColor;
-  SolidColorFill(canvas);
-  canvas.clipPath(path);
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  canvas.save();
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  canvas.clipPath(path);
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  canvas.restore();
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  SolidColorFill(canvas);
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-}
-
-TEST(AnalysisCanvasTest, SaveLayerWithXfermode) {
-  skia::AnalysisCanvas canvas(255, 255);
-  SkRect bounds = SkRect::MakeWH(255, 255);
-  SkColor outputColor;
-
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-  SkPaint paint;
-
-  // Note: nothing is draw to the the save layer, but solid color
-  // and transparency are handled conservatively in case the layer's
-  // SkPaint draws something. For example, there could be an
-  // SkPictureImageFilter. If someday analysis_canvas starts doing
-  // a deeper analysis of the SkPaint, this test may need to be
-  // redesigned.
-  TransparentFill(canvas);
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-  paint.setXfermodeMode(SkXfermode::kSrc_Mode);
-  canvas.saveLayer(&bounds, &paint);
-  canvas.restore();
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  TransparentFill(canvas);
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-  paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
-  canvas.saveLayer(&bounds, &paint);
-  canvas.restore();
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  // Layer with dst xfermode is a no-op, so this is the only case
-  // where solid color is unaffected by the layer.
-  TransparentFill(canvas);
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-  paint.setXfermodeMode(SkXfermode::kDst_Mode);
-  canvas.saveLayer(&bounds, &paint);
-  canvas.restore();
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-}
-
-TEST(AnalysisCanvasTest, SaveLayerRestore) {
-  skia::AnalysisCanvas canvas(255, 255);
-
-  SkColor outputColor;
-  SolidColorFill(canvas);
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-
-  SkRect bounds = SkRect::MakeWH(255, 255);
-  SkPaint paint;
-  paint.setColor(SkColorSetARGB(255, 255, 255, 255));
-  paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
-
-  // This should force non-transparency
-  canvas.saveLayer(&bounds, &paint);
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-
-  TransparentFill(canvas);
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  SolidColorFill(canvas);
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-
-  paint.setXfermodeMode(SkXfermode::kDst_Mode);
-
-  // This should force non-solid color
-  canvas.saveLayer(&bounds, &paint);
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  TransparentFill(canvas);
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  SolidColorFill(canvas);
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  canvas.restore();
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  TransparentFill(canvas);
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  SolidColorFill(canvas);
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-
-  canvas.restore();
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-
-  TransparentFill(canvas);
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-
-  SolidColorFill(canvas);
-  EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor));
-  EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor);
-}
-
-TEST(AnalysisCanvasTest, EarlyOutNotSolid) {
-  SkRTreeFactory factory;
-  SkPictureRecorder recorder;
-
-  // Create a picture with 3 commands, last of which is non-solid.
-  skia::RefPtr<SkCanvas> record_canvas =
-      skia::SharePtr(recorder.beginRecording(256, 256, &factory));
-
-  std::string text = "text";
-  SkPoint point = SkPoint::Make(SkIntToScalar(25), SkIntToScalar(25));
-
-  SkPaint paint;
-  paint.setColor(SkColorSetARGB(255, 255, 255, 255));
-  paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
-
-  record_canvas->drawRect(SkRect::MakeWH(256, 256), paint);
-  record_canvas->drawRect(SkRect::MakeWH(256, 256), paint);
-  record_canvas->drawText(
-      text.c_str(), text.length(), point.fX, point.fY, paint);
-
-  skia::RefPtr<SkPicture> picture = skia::AdoptRef(recorder.endRecording());
-
-  // Draw the picture into the analysis canvas, using the canvas as a callback
-  // as well.
-  skia::AnalysisCanvas canvas(256, 256);
-  picture->playback(&canvas, &canvas);
-
-  // Ensure that canvas is not solid.
-  SkColor output_color;
-  EXPECT_FALSE(canvas.GetColorIfSolid(&output_color));
-
-  // Verify that we aborted drawing.
-  EXPECT_TRUE(canvas.abortDrawing());
-
-}
-
-TEST(AnalysisCanvasTest, ClipComplexRegion) {
-  skia::AnalysisCanvas canvas(255, 255);
-
-  SkPath path;
-  path.moveTo(0, 0);
-  path.lineTo(128, 50);
-  path.lineTo(255, 0);
-  path.lineTo(255, 255);
-  path.lineTo(0, 255);
-  SkIRect pathBounds = path.getBounds().round();
-  SkRegion region;
-  region.setPath(path, SkRegion(pathBounds));
-
-  SkColor outputColor;
-  SolidColorFill(canvas);
-  canvas.clipRegion(region);
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  canvas.save();
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  canvas.clipRegion(region);
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  canvas.restore();
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-
-  SolidColorFill(canvas);
-  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
-}
-
-}  // namespace skia