chromium/third_party/blink/renderer/platform/graphics/paint/drawing_display_item.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/platform/graphics/paint/drawing_display_item.h"

#include "base/logging.h"
#include "cc/paint/display_item_list.h"
#include "cc/paint/paint_op_buffer_iterator.h"
#include "third_party/blink/renderer/platform/graphics/graphics_context.h"
#include "third_party/blink/renderer/platform/graphics/logging_canvas.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_canvas.h"
#include "third_party/blink/renderer/platform/wtf/size_assertions.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkData.h"
#include "ui/gfx/geometry/insets_f.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/skia_conversions.h"

namespace blink {

namespace {

SkBitmap RecordToBitmap(const PaintRecord& record, const gfx::Rect& bounds) { … }

bool BitmapsEqual(const PaintRecord& record1,
                  const PaintRecord& record2,
                  const gfx::Rect& bounds) { … }

bool PaintFlagsMayChangeColorOrMovePixelsExceptShader(
    const cc::PaintFlags& flags) { … }

bool IsDrawAreaAnalysisCandidate(const cc::PaintOp& op) { … }

}  // anonymous namespace

bool DrawingDisplayItem::EqualsForUnderInvalidationImpl(
    const DrawingDisplayItem& other) const { … }

DrawingDisplayItem::BackgroundColorInfo DrawingDisplayItem::BackgroundColor()
    const { … }

gfx::Rect DrawingDisplayItem::CalculateRectKnownToBeOpaque() const { … }

// This is not a PaintRecord method because it's not a general opaqueness
// detection algorithm (which might be more complex and slower), but works well
// and fast for most blink painted results.
gfx::Rect DrawingDisplayItem::CalculateRectKnownToBeOpaqueForRecord(
    const PaintRecord& record) const { … }

gfx::Rect DrawingDisplayItem::TightenVisualRect(const gfx::Rect& visual_rect,
                                                const PaintRecord& record) { … }

}  // namespace blink