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// Copyright 2014 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_OBJECT_PAINTER_BASE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_OBJECT_PAINTER_BASE_H_
#include "third_party/blink/renderer/core/style/computed_style_constants.h"
#include "third_party/blink/renderer/platform/geometry/int_rect.h"
#include "third_party/blink/renderer/platform/graphics/color.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class ComputedStyle;
class GraphicsContext;
struct PaintInfo;
struct PhysicalRect;
// Base class for object painting. Has no dependencies on the layout tree and
// thus provides functionality and definitions that can be shared between both
// legacy layout and LayoutNG.
class ObjectPainterBase {
STACK_ALLOCATED();
public:
static void DrawBoxSide(GraphicsContext& context,
const IntRect& snapped_edge_rect,
BoxSide side,
Color color,
EBorderStyle style) {
DrawLineForBoxSide(context, snapped_edge_rect.X(), snapped_edge_rect.Y(),
snapped_edge_rect.MaxX(), snapped_edge_rect.MaxY(), side,
color, style, 0, 0, true);
}
// TODO(wangxianzhu): The float parameters are truncated to int in the
// function, which implicitly snaps to whole pixels incorrectly. We should
// always use the above function. For now the only outside caller is
// BoxBorderPainter::PaintOneBorderSide().
static void DrawLineForBoxSide(GraphicsContext&,
float x1,
float y1,
float x2,
float y2,
BoxSide,
Color,
EBorderStyle,
int adjacent_edge_width1,
int adjacent_edge_width2,
bool antialias = false);
protected:
ObjectPainterBase() = default;
void PaintOutlineRects(const PaintInfo&,
const Vector<PhysicalRect>&,
const ComputedStyle&);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_OBJECT_PAINTER_BASE_H_
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