92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
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// Copyright 2020 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CORE_FXGE_CFX_FILLRENDEROPTIONS_H_
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#define CORE_FXGE_CFX_FILLRENDEROPTIONS_H_
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#include <stdint.h>
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// Represents the options for filling paths.
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struct CFX_FillRenderOptions {
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// FillType defines how path is filled.
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enum class FillType : uint8_t {
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// No filling needed.
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kNoFill = 0,
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// Use even-odd or inverse even-odd algorithms to decide if the area needs
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// to be filled.
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kEvenOdd = 1,
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// Use winding or inverse winding algorithms to decide whether the area
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// needs to be filled.
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kWinding = 2,
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};
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static constexpr CFX_FillRenderOptions EvenOddOptions() {
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return CFX_FillRenderOptions(FillType::kEvenOdd);
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}
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static constexpr CFX_FillRenderOptions WindingOptions() {
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return CFX_FillRenderOptions(FillType::kWinding);
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}
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constexpr CFX_FillRenderOptions()
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: CFX_FillRenderOptions(FillType::kNoFill) {}
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// TODO(thestig): Switch to default member initializer for bit-fields when
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// C++20 is available.
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constexpr explicit CFX_FillRenderOptions(FillType fill_type)
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: fill_type(fill_type),
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adjust_stroke(false),
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aliased_path(false),
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full_cover(false),
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rect_aa(false),
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stroke(false),
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stroke_text_mode(false),
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text_mode(false),
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zero_area(false) {}
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bool operator==(const CFX_FillRenderOptions& other) const {
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return fill_type == other.fill_type &&
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adjust_stroke == other.adjust_stroke &&
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aliased_path == other.aliased_path &&
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full_cover == other.full_cover && rect_aa == other.rect_aa &&
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stroke == other.stroke &&
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stroke_text_mode == other.stroke_text_mode &&
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text_mode == other.text_mode && zero_area == other.zero_area;
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}
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bool operator!=(const CFX_FillRenderOptions& other) const {
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return !(*this == other);
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}
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// Fill type.
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FillType fill_type;
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// Adjusted stroke rendering is enabled.
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bool adjust_stroke : 1;
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// Whether anti aliasing is enabled for path rendering.
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bool aliased_path : 1;
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// Fills with the sum of colors from both cover and source.
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bool full_cover : 1;
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// Rect paths use anti-aliasing.
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bool rect_aa : 1;
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// Path is stroke.
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bool stroke : 1;
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// Renders text by filling strokes.
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bool stroke_text_mode : 1;
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// Path is text.
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bool text_mode : 1;
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// Path encloses zero area.
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bool zero_area : 1;
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};
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#endif // CORE_FXGE_CFX_FILLRENDEROPTIONS_H_
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