70 lines
3.3 KiB
C++
70 lines
3.3 KiB
C++
/*
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* InfiniPaint
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* Copyright (C) 2025-2026 Yousef Khadadeh
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "../CoordSpaceHelper.hpp"
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#include <include/core/SkPathBuilder.h>
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#include "../InputManager.hpp"
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#include <clipper2/clipper.h>
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class DrawingProgram;
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struct MeshShapeData {
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std::vector<std::vector<Vector2f>> contours;
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template <typename Archive> void serialize(Archive& a) {
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a(contours);
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}
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};
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namespace BrushComponentCode {
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constexpr float CLIPPER_SIMPLIFY_EPSILON = 0.1;
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struct BrushPoint {
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Vector2f pos;
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float width;
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template <typename Archive> void serialize(Archive& a) {
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a(pos, width);
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}
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};
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struct BrushStrokeGenerationData {
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bool addedTemporaryPoint = false;
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std::vector<BrushComponentCode::BrushPoint> brushPoints;
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Vector2f prevPointUnaltered = {0, 0};
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float penWidth = 1.0f;
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CoordSpaceHelper coords;
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};
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void skpath_to_clipper2_pathsd(Clipper2Lib::PathsD& clipperPath, const SkPath& skPath);
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bool clipper2_polygon_to_skpath_builder(SkPathBuilder& skPathBuilder, const Clipper2Lib::PathD& clipperPath);
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void sort_clipper_polytreed_into_skpaths(std::vector<SkPath>& paths, const Clipper2Lib::PolyTreeD& tree);
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void clipper2_polygons_to_skpath_builder(SkPathBuilder& skPathBuilder, const Clipper2Lib::PathsD& clipperPath);
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std::optional<SkPath> skpath_simplify_only_lines(const SkPath& skPath);
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SkPath brush_stroke_to_skpath(const std::vector<BrushPoint>& brushPoints, bool hasRoundCaps);
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SkPath create_triangles(const std::vector<BrushPoint>& regularPoints, const std::vector<BrushPoint>& smoothedPoints, bool hasRoundCaps);
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std::vector<size_t> get_wedge_indices(const std::vector<BrushPoint>& points);
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std::vector<BrushPoint> smooth_points(const std::vector<BrushPoint>& points, size_t beginIndex, size_t endIndex, unsigned numOfDivisions);
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void smooth_out_points(std::vector<BrushPoint>& brushPoints, float smoothFactor);
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void fix_tip(std::vector<BrushPoint>& brushPoints);
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void mouse_button(DrawingProgram& drawP, BrushStrokeGenerationData& genData, const CoordSpaceHelper& strokeCoordSpace, const InputManager::MouseButtonCallbackArgs& button, float brushSize);
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void mouse_motion(DrawingProgram& drawP, BrushStrokeGenerationData& genData, const Vector2f& motionPos, float brushSize);
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void pen_pressure(DrawingProgram& drawP, BrushStrokeGenerationData& genData, float brushSize);
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bool extensive_point_checking(const std::vector<BrushPoint>& points, const Vector2f& newPoint, float minimumDistance);
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bool extensive_point_checking_back(const std::vector<BrushPoint>& points, const Vector2f& newPoint);
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}
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