Relocate GC::DrawLineForDocumentMarker()

third_party/WebKit/Source/platform/graphics/GraphicsContext.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 29 matching lines @@
 #include "platform/instrumentation/tracing/TraceEvent.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/wtf/Assertions.h"
 #include "platform/wtf/MathExtras.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/skia/include/core/SkAnnotation.h"
 #include "third_party/skia/include/core/SkColorFilter.h"
 #include "third_party/skia/include/core/SkData.h"
 #include "third_party/skia/include/core/SkRRect.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
-#include "third_party/skia/include/effects/SkGradientShader.h"
 #include "third_party/skia/include/effects/SkLumaColorFilter.h"
 #include "third_party/skia/include/effects/SkPictureImageFilter.h"
 #include "third_party/skia/include/pathops/SkPathOps.h"
 #include "third_party/skia/include/utils/SkNullCanvas.h"
 
 namespace blink {
 
 GraphicsContext::GraphicsContext(PaintController& paint_controller,
                                  DisabledMode disable_context_or_painting,
                                  SkMetaData* meta_data)
@@ skipping 473 matching lines @@
     } else {
       p1.SetX(p1.X() + width / 2.f);
       p2.SetX(p2.X() - width / 2.f);
     }
   }
 
   AdjustLineToPixelBoundaries(p1, p2, width, pen_style);
   canvas_->drawLine(p1.X(), p1.Y(), p2.X(), p2.Y(), flags);
 }
 
-namespace {
-
-#if !OS(MACOSX)
-
-sk_sp<PaintRecord> RecordMarker(
-    GraphicsContext::DocumentMarkerLineStyle style) {
-  SkColor color = (style == GraphicsContext::kDocumentMarkerGrammarLineStyle)
-                      ? SkColorSetRGB(0xC0, 0xC0, 0xC0)
-                      : SK_ColorRED;
-
-  // Record the path equivalent to this legacy pattern:
-  //   X o   o X o   o X
-  //     o X o   o X o
-
-  static const float kW = 4;
-  static const float kH = 2;
-
-  // Adjust the phase such that f' == 0 is "pixel"-centered
-  // (for optimal rasterization at native rez).
-  SkPath path;
-  path.moveTo(kW * -3 / 8, kH * 3 / 4);
-  path.cubicTo(kW * -1 / 8, kH * 3 / 4,
-               kW * -1 / 8, kH * 1 / 4,
-               kW *  1 / 8, kH * 1 / 4);
-  path.cubicTo(kW * 3 / 8, kH * 1 / 4,
-               kW * 3 / 8, kH * 3 / 4,
-               kW * 5 / 8, kH * 3 / 4);
-  path.cubicTo(kW * 7 / 8, kH * 3 / 4,
-               kW * 7 / 8, kH * 1 / 4,
-               kW * 9 / 8, kH * 1 / 4);
-
-  PaintFlags flags;
-  flags.setAntiAlias(true);
-  flags.setColor(color);
-  flags.setStyle(PaintFlags::kStroke_Style);
-  flags.setStrokeWidth(kH * 1 / 2);
-
-  PaintRecorder recorder;
-  recorder.beginRecording(kW, kH);
-  recorder.getRecordingCanvas()->drawPath(path, flags);
-
-  return recorder.finishRecordingAsPicture();
-}
-
-#else  // OS(MACOSX)
-
-sk_sp<PaintRecord> RecordMarker(
-    GraphicsContext::DocumentMarkerLineStyle style) {
-  SkColor color = (style == GraphicsContext::kDocumentMarkerGrammarLineStyle)
-                      ? SkColorSetRGB(0x6B, 0x6B, 0x6B)
-                      : SkColorSetRGB(0xFB, 0x2D, 0x1D);
-
-  // Match the artwork used by the Mac.
-  static const float kW = 4;
-  static const float kH = 3;
-  static const float kR = 1.5f;
-
-  // top->bottom translucent gradient.
-  const SkColor colors[2] = {
-      SkColorSetARGB(0x48,
-                     SkColorGetR(color),
-                     SkColorGetG(color),
-                     SkColorGetB(color)),
-      color
-  };
-  const SkPoint pts[2] = {
-      SkPoint::Make(0, 0),
-      SkPoint::Make(0, 2 * kR)
-  };
-
-  PaintFlags flags;
-  flags.setAntiAlias(true);
-  flags.setColor(color);
-  flags.setShader(SkGradientShader::MakeLinear(
-      pts, colors, nullptr, ARRAY_SIZE(colors), SkShader::kClamp_TileMode));
-  PaintRecorder recorder;
-  recorder.beginRecording(kW, kH);
-  recorder.getRecordingCanvas()->drawCircle(kR, kR, kR, flags);
-
-  return recorder.finishRecordingAsPicture();
-}
-
-#endif  // OS(MACOSX)
-
-}  // anonymous ns
-
-void GraphicsContext::DrawLineForDocumentMarker(const FloatPoint& pt,
-                                                float width,
-                                                DocumentMarkerLineStyle style,
-                                                float zoom) {
-  if (ContextDisabled())
-    return;
-
-  DEFINE_STATIC_LOCAL(
-      PaintRecord*, spelling_marker,
-      (RecordMarker(kDocumentMarkerSpellingLineStyle).release()));
-  DEFINE_STATIC_LOCAL(
-      PaintRecord*, grammar_marker,
-      (RecordMarker(kDocumentMarkerGrammarLineStyle).release()));
-  const auto& marker = style == kDocumentMarkerSpellingLineStyle
-                           ? spelling_marker
-                           : grammar_marker;
-
-  // Position already includes zoom and device scale factor.
-  SkScalar origin_x = WebCoreFloatToSkScalar(pt.X());
-  SkScalar origin_y = WebCoreFloatToSkScalar(pt.Y());
-
-#if OS(MACOSX)
-  // Make sure to draw only complete dots, and finish inside the marked text.
-  width -= fmodf(width, marker->cullRect().width() * zoom);
-#else
-  // Offset it vertically by 1 so that there's some space under the text.
-  origin_y += 1;
-#endif
-
-  const auto rect = SkRect::MakeWH(width, marker->cullRect().height() * zoom);
-  const auto local_matrix = SkMatrix::MakeScale(zoom, zoom);
-
-  PaintFlags flags;
-  flags.setAntiAlias(true);
-  flags.setShader(WrapSkShader(MakePaintShaderRecord(
-      sk_ref_sp(marker), SkShader::kRepeat_TileMode, SkShader::kClamp_TileMode,
-      &local_matrix, nullptr)));
-
-  // Apply the origin translation as a global transform.  This ensures that the
-  // shader local matrix depends solely on zoom => Skia can reuse the same
-  // cached tile for all markers at a given zoom level.
-  PaintCanvasAutoRestore acr(canvas_, true);
-  canvas_->translate(origin_x, origin_y);
-  canvas_->drawRect(rect, flags);
-}
-
 void GraphicsContext::DrawLineForText(const FloatPoint& pt, float width) {
   if (ContextDisabled())
     return;
 
   if (width <= 0)
     return;
 
   PaintFlags flags;
   switch (GetStrokeStyle()) {
     case kNoStroke:
@@ skipping 675 matching lines @@
       break;
     default:
       NOTREACHED();
       break;
   }
 
   return nullptr;
 }
 
 }  // namespace blink