增加了对于与X轴平行直线的修正

ArchitectureColoredPainting/ArchitectureColoredPainting.vcxproj

@@ -113,6 +113,7 @@
     <ClCompile Include="src\Renderer\Painting\Line.cpp" />
     <ClCompile Include="src\Renderer\Mesh.cpp" />
     <ClCompile Include="src\Renderer\Model.cpp" />
+    <ClCompile Include="src\Renderer\Painting\LineTree.cpp" />
     <ClCompile Include="src\Renderer\Painting\Painting.cpp" />
     <ClCompile Include="src\Renderer\Painting\PaintingHelper.cpp" />
     <ClCompile Include="src\Renderer\PaintingMesh.cpp" />
@@ -132,6 +133,8 @@
   <ItemGroup>
     <None Include="darkstyle.qss" />
     <None Include="lightstyle.qss" />
+    <None Include="msvc_make.bat" />
+    <None Include="qt.conf" />
     <None Include="Shaders\depth_init.comp" />
     <None Include="Shaders\depth_mipmap.comp" />
     <None Include="Shaders\final.frag" />
@@ -153,6 +156,7 @@
     <QtMoc Include="src\MainWindow.h" />
     <ClInclude Include="src\Editor\GraphicElement.h" />
     <ClInclude Include="src\Renderer\Painting\Element.h" />
+    <ClInclude Include="src\Renderer\Painting\LineTree.h" />
     <ClInclude Include="src\Renderer\Painting\Painting.h" />
     <ClInclude Include="src\SvgParser.h" />
     <QtMoc Include="src\TitleWidget.h" />

ArchitectureColoredPainting/ArchitectureColoredPainting.vcxproj.filters

@@ -129,6 +129,9 @@
     <ClCompile Include="src\Editor\GraphicElement.cpp">
       <Filter>Source Files\Editor</Filter>
     </ClCompile>
+    <ClCompile Include="src\Renderer\Painting\LineTree.cpp">
+      <Filter>Source Files\Renderer\Painting</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <QtMoc Include="src\Renderer\RendererGLWidget.h">
@@ -211,6 +214,10 @@
     <None Include="lightstyle.qss">
       <Filter>Resource Files</Filter>
     </None>
+    <None Include="msvc_make.bat">
+      <Filter>Source Files</Filter>
+    </None>
+    <None Include="qt.conf" />
   </ItemGroup>
   <ItemGroup>
     <QtUic Include="EditorWidget.ui">
@@ -272,6 +279,9 @@
     <ClInclude Include="src\Editor\GraphicElement.h">
       <Filter>Header Files\Editor</Filter>
     </ClInclude>
+    <ClInclude Include="src\Renderer\Painting\LineTree.h">
+      <Filter>Header Files\Renderer\Painting</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <QtRcc Include="MainWindow.qrc">

ArchitectureColoredPainting/src/Renderer/Painting/Line.cpp

@@ -85,4 +85,13 @@ bool Line::judgeIntersection(QVector4D bound) {
 		|| judgeBoundIntersection(bound.w(), bound.x(), bound.z(), true)
 		|| judgeBoundIntersection(bound.x(), bound.y(), bound.w(), false)
 		|| judgeBoundIntersection(bound.z(), bound.y(), bound.w(), false);
+}
+
+void Line::upwardOffsetForY(bool isStart, double offset) {
+	if (isStart) {
+		vY[0] = vY[0] + offset;
+	}
+	else {
+		vY[siz - 1] = vY[siz - 1] + offset;
+	}
 }

ArchitectureColoredPainting/src/Renderer/Painting/Line.h

@@ -46,6 +46,8 @@ namespace Renderer
 		virtual void monotonization(std::vector <LinePtr>& res) = 0;
 		virtual int judgeBoundIntersection(double xy, double l, double r, bool isY) = 0;
 		virtual bool judgeIntersection(QVector4D bound);
+		virtual double minDistanceToLine(Point uv);
+		void upwardOffsetForY(bool isStart, double offset);
 		bool isLineContained(QVector4D bound);
 		Point operator[](int index) const;
 		Point getPointByIndex(int index) const;

ArchitectureColoredPainting/src/Renderer/Painting/LineTree.cpp

@@ -0,0 +1,117 @@
+#include "LineTree.h"
+#include <set>
+
+using namespace Renderer;
+using std::set;
+using std::vector;
+
+void LineTree::init() {
+	restOfTreeNodes.clear();
+	allLine.clear();
+	pointMap.clear();
+	lineIndexs.clear();
+	numLine = numPoint = 0;
+}
+
+void LineTree::setLineWidth(int width) {
+	lineWidth = width;
+}
+
+int LineTree::getPointIndex(Point nowPoint) {
+	auto iter = pointMap.find(nowPoint);
+	if (iter != pointMap.end()) {
+		return iter->second;
+	}
+	else {
+		int res = numPoint;
+		pointMap.insert({ nowPoint, numPoint });
+		++numPoint;
+		return res;
+	}
+}
+
+bool LineTree::IsBorderValueResonable(double value, set <double>& valueSet) {
+	bool isResonable = true;
+	auto iter = valueSet.lower_bound(value);
+	if (iter != valueSet.end() && fabs(*iter - value) <= eps) {
+		isResonable = false;
+	}
+	if (iter != valueSet.begin()) {
+		iter--;
+		if (fabs(*iter - value) <= eps) {
+			isResonable = false;
+		}
+	}
+	return isResonable;
+}
+
+double LineTree::findBorderValueNotOnLine(double value, set<double>& valueSet) {
+	if (IsBorderValueResonable(value, valueSet)) return value;
+	for (int i = 1; i <= 200; i++) {
+		double changedValue = value + rand() % 50 * 1e-5 + 1e-5;
+		if (IsBorderValueResonable(changedValue, valueSet)) {
+			return changedValue;
+		}
+	}
+	return value;
+}
+
+bool LineTree::isLineEqual(PointIndexVector& a, PointIndexVector& b) const {
+	if (a.size() != b.size())
+		return false;
+	for (int i = 0; i < a.size(); i++)
+		if (a[i] != b[i])
+			return false;
+	return true;
+}
+
+void LineTree::monotonization(vector<PointVector>& inLines, vector<std::shared_ptr<Line>>& outLines) {
+	bool isOffset = false;
+	for (PointVector& l : inLines) {
+		std::shared_ptr<Line> nowLine;
+		switch (l.size()) {
+		case 2: {
+			nowLine.reset(new StraightLine(l));
+			break;
+		}
+		case 3: case 4: nowLine.reset(new CubicBezier(l)); break;
+		default: break;
+		}
+
+		// 防止在同一直线与 X 轴平行上
+		if (isOffset) {
+			nowLine->upwardOffsetForY(true, 1e-5);
+		}
+		isOffset = false;
+		if (nowLine->direction(true) == 0) {
+			nowLine->upwardOffsetForY(false, 1e-5);
+			isOffset = true;
+		}
+		nowLine->monotonization(outLines);
+		outLines.push_back(nowLine);
+	}
+	// 防止在首尾直线在与 X 轴平行上
+	int siz = outLines.size();
+	if (!(outLines[0]->getBegin() == outLines[siz - 1]->getEnd())) 
+		return;
+	if (isOffset) {
+		outLines[0]->upwardOffsetForY(true, 1e-5);
+	}
+	if (outLines[0]->direction(true) == 0) {
+		outLines[0]->upwardOffsetForY(true, 2e-5);
+		outLines[outLines.size() - 1]->upwardOffsetForY(false, 2e-5);
+	}
+}
+
+void LineTree::simplifyLineVector() {
+	numLine = allLine.size();
+	for (auto& nowLine : allLine) {
+		PointVector pointVector = nowLine->toPointVector();
+		for (Point& p : pointVector) {
+			int pointIndex = getPointIndex(p);
+			lineIndexs.push_back(pointIndex);
+			if (pointVector.size() == 2)
+				lineIndexs.push_back(pointIndex);
+		}
+	}
+}

ArchitectureColoredPainting/src/Renderer/Painting/LineTree.h

@@ -0,0 +1,51 @@
+#pragma once
+#include "CubicBezier.h"
+#include "StraightLine.h"
+#include "BvhTree.h"
+#include <queue>
+#include <set>
+
+namespace Renderer {
+	struct LineTreeNode {
+		int eastGroup;
+		bool divided;
+		/*
+		0：不需要拆开的节点
+		1：需要拆分*/
+		QVector4D bound;
+		std::vector<int> lineSet;
+		LineTreeNode() {
+			eastGroup = 0;
+			divided = true;
+			bound = { 0, 0, 0, 0 };
+			lineSet.clear();
+		}
+		~LineTreeNode() {}
+	};
+	class LineTree {
+		typedef std::vector<Point>  PointVector;
+		typedef std::vector<int> PointIndexVector;
+	private:
+		std::vector<LineTreeNode> restOfTreeNodes;
+		std::vector<std::shared_ptr<Line>> allLine;
+		int requiredLineMin, numPoint, numLine, lineWidth;
+		std::map<Point, int> pointMap;
+		std::vector<int> lineIndexs;
+
+		int getPointIndex(Point nowPoint);
+		void spliteToLineTree();
+		void simplifyLineVector();
+		bool handleShortCutNode(LineTreeNode& fa, LineTreeNode& nowTreeNode, double yValue, std::vector<LineTreeNode>& v);
+		bool isLineEqual(PointIndexVector& a, PointIndexVector& b) const;
+		static bool IsBorderValueResonable(double value, std::set <double>& valueSet);
+		static double findBorderValueNotOnLine(double value, std::set <double>& valueSet);
+		static void monotonization(std::vector<PointVector>& inL, std::vector<std::shared_ptr<Line>>& outL);
+	public:
+		void init();
+		void setLineWidth(int width);
+		LineTree(int lineMin = 3, int width = 0.3)
+			: requiredLineMin(lineMin), lineWidth(width), numLine(0), numPoint(0) {}
+		void buildLineTree(std::vector<PointVector>& lineSet);
+		std::vector<BvhTreeData> getPointLineAndBvhTree(std::vector<float>& pointSet, std::vector<GLuint>& lineSet);
+	};
+}

ArchitectureColoredPainting/src/Renderer/Painting/ShortCutTree.cpp

@@ -76,7 +76,7 @@ void ShortCutTree::monotonization(vector<PointVector>& inLines, vector<std::shar
 	}
 }
 
-void ShortCutTree::generateShortCutsegmentement(ShortCutNode& nowTreeNode) {
+void ShortCutTree::generateShortCutSegment(ShortCutNode& nowTreeNode) {
 	Point p = {0, 0}; 
 	set<pair<int, int> > pointSet;
 	for (int & lineIndex : nowTreeNode.lineSet) {
@@ -133,7 +133,7 @@ bool ShortCutTree::handleShortCutNode(ShortCutNode& fa, ShortCutNode& nowTreeNod
 		}
 	}
 	qDebug() << nowTreeNode.lineSet.size() ;
-	if (nowTreeNode.lineSet.size() <= RequiredLineMin) {
+	if (nowTreeNode.lineSet.size() <= requiredLineMin) {
 		if (nowTreeNode.lineSet.empty() && nowTreeNode.windingIncrement == 0)
 			return false;
 		restOfTreeNodes.push_back(nowTreeNode);
@@ -160,7 +160,7 @@ void ShortCutTree::simplifyLineVector() {
 		}
 	}
 	for (auto& nowTreeNode : restOfTreeNodes) {
-		generateShortCutsegmentement(nowTreeNode);
+		generateShortCutSegment(nowTreeNode);
 	}
 }
 

ArchitectureColoredPainting/src/Renderer/Painting/ShortCutTree.h

@@ -9,10 +9,9 @@ namespace Renderer
 
 
 	struct ShortCutNode {
-		typedef std::vector<Point> vectorPoint;
 		int windingIncrement, eastGroup;
 		bool divided;
-		/* type 代表进入广度优先搜索队列的节点种类：
+		/*
 		0：不需要拆开的节点
 		1：需要拆分*/
 		QVector4D bound;
@@ -33,12 +32,12 @@ namespace Renderer
 	private:
 		std::vector<ShortCutNode> restOfTreeNodes;
 		std::vector<std::shared_ptr<Line>> allLine;
-		int RequiredLineMin, numPoint, numLine;
+		int requiredLineMin, numPoint, numLine;
 		std::map<Point, int> pointMap;
 		std::vector<int> lineIndexs;
 
 		int getPointIndex(Point nowPoint);
-		void generateShortCutsegmentement(ShortCutNode& nowTreeNode);
+		void generateShortCutSegment(ShortCutNode& nowTreeNode);
 		bool handleShortCutNode(ShortCutNode& fa, ShortCutNode& nowTreeNode, double yValue, std::vector<ShortCutNode>& v, int& sumIncrement);
 		void spliteToShortCutTree();
 		static void monotonization(std::vector<PointVector>& inL, std::vector<std::shared_ptr<Line>>& outL);
@@ -51,7 +50,7 @@ namespace Renderer
 		void init();
 		//lineMin最小线数目，即划分终止条件
 		ShortCutTree(int lineMin = 3)
-			:RequiredLineMin(lineMin), numPoint(0), numLine(0) {}
+			:requiredLineMin(lineMin), numPoint(0), numLine(0) {}
 		// 传入一个vector<vector<Point> > 作为所有输入的线
 		void buildShortCutTree(std::vector<PointVector>& lineSet);
 		// 获得点集合和线集合 返回输入BvhTree的数据集合

ArchitectureColoredPainting/src/Renderer/Painting/StraightLine.h

@@ -1,3 +1,4 @@
+#pragma once
 #include "Line.h"
 namespace Renderer
 {