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解决SvgParser的一些问题

dev-VirtualTexture
wuyize 2022-10-20 14:09:25 +08:00
parent e279007d88
commit 6555e4db72
6 changed files with 744 additions and 689 deletions
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4
ArchitectureColoredPainting/MainWindow.ui
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@ -6,8 +6,8 @@
<rect> <rect>
<x>0</x> <x>0</x>
<y>0</y> <y>0</y>
<width>800</width> <width>1374</width>
<height>400</height> <height>722</height>
</rect> </rect>
</property> </property>
<property name="windowTitle"> <property name="windowTitle">

23
ArchitectureColoredPainting/Model.cpp
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@ -193,17 +193,18 @@ Drawable* Model::processMesh(aiMesh* mesh, const aiScene* scene, aiMatrix4x4 mod
//vector<vector<Point>> lineSet = SvgParser("M100,100C-.5,100,0,100.5,0,0L40,.07C40,59.5,39.5,60,100,60Z", 100, 100).parse(); //vector<vector<Point>> lineSet = SvgParser("M100,100C-.5,100,0,100.5,0,0L40,.07C40,59.5,39.5,60,100,60Z", 100, 100).parse();
//vector<vector<Point>> lineSet = SvgParser("M308.49,212.25l23,28.38-82,78.31c-14.28,13.64-26.34-20.6-53.44,9.32l-30.24-13.4,63.56-51.59L190.71,215.6l-32.92,26.72L149.5,232.1l32.92-26.72L173.2,194l-32.91,26.72-7.38-9.08L165.83,185l-38.69-47.66L94.22,164,85,152.65l32.91-26.72-9.21-11.35L75.79,141.3l-5.53-6.81,32.92-26.72L94,96.42,61.05,123.14l-12-14.76L37.72,117.6l12,14.75L30.41,148,0,110.55,136.2,0l30.4,37.46L147.31,53.12l-12-14.76L124,47.58l12,14.75L103.05,89.05l9.21,11.35,32.92-26.72,5.52,6.81-32.91,26.72L127,118.56l32.92-26.72,9.21,11.35-32.91,26.72,38.69,47.67,32.91-26.72,7.37,9.08-32.91,26.72L191.49,198l32.92-26.72,8.29,10.22-32.92,26.71,38.7,47.68L302,204.3l6.45,7.95Z", 331.52, 328.26).parse(); //vector<vector<Point>> lineSet = SvgParser("M308.49,212.25l23,28.38-82,78.31c-14.28,13.64-26.34-20.6-53.44,9.32l-30.24-13.4,63.56-51.59L190.71,215.6l-32.92,26.72L149.5,232.1l32.92-26.72L173.2,194l-32.91,26.72-7.38-9.08L165.83,185l-38.69-47.66L94.22,164,85,152.65l32.91-26.72-9.21-11.35L75.79,141.3l-5.53-6.81,32.92-26.72L94,96.42,61.05,123.14l-12-14.76L37.72,117.6l12,14.75L30.41,148,0,110.55,136.2,0l30.4,37.46L147.31,53.12l-12-14.76L124,47.58l12,14.75L103.05,89.05l9.21,11.35,32.92-26.72,5.52,6.81-32.91,26.72L127,118.56l32.92-26.72,9.21,11.35-32.91,26.72,38.69,47.67,32.91-26.72,7.37,9.08-32.91,26.72L191.49,198l32.92-26.72,8.29,10.22-32.92,26.71,38.7,47.68L302,204.3l6.45,7.95Z", 331.52, 328.26).parse();
vector < vector <Point>> lineSet = { //vector < vector <Point>> lineSet = {
{{-0.5,0.9}, {0.1,0.3}}, // {{-0.5,0.9}, {0.1,0.3}},
{{0.1,0.3}, {0.0204656,0.379534}, {-0.2,0.0632573}, {-0.2,0.175736}}, // {{0.1,0.3}, {0.0204656,0.379534}, {-0.2,0.0632573}, {-0.2,0.175736}},
{{-0.2,0.175736}, {-0.2,0.288215}, {-0.579534,0.220466}, {-0.5,0.3}}, // {{-0.2,0.175736}, {-0.2,0.288215}, {-0.579534,0.220466}, {-0.5,0.3}},
{{-0.5,0.3}, {-0.420466,0.379534}, {-0.736743,0.6}, {-0.624264,0.6}}, // {{-0.5,0.3}, {-0.420466,0.379534}, {-0.736743,0.6}, {-0.624264,0.6}},
{{-0.624264,0.6}, {-0.511785,0.6}, {-0.579534,0.979534}, {-0.5,0.9}} // {{-0.624264,0.6}, {-0.511785,0.6}, {-0.579534,0.979534}, {-0.5,0.9}}
}; //};
vector<vector<Point>> lineSet = SvgParser("M377,459.61a11.26,11.26,0,0,1,11.27-11.27H696.12a11.27,11.27,0,0,0,11-8.62A359.84,359.84,0,0,0,708,280.56a11.26,11.26,0,0,0-11-8.73H388.27A11.26,11.26,0,0,1,377,260.57h0a11.26,11.26,0,0,1,11.27-11.26H683.71A11.32,11.32,0,0,0,694.28,234C649.8,113.69,542.57,23.85,412.3,4.12a11.22,11.22,0,0,0-12.76,11.17v158.9a11.26,11.26,0,0,0,11.26,11.27H583.12a11.32,11.32,0,0,0,9.26-17.75c-31.67-46.59-78.51-75.2-109.11-90.07a11.25,11.25,0,0,0-16.13,10.17V115.2a11.24,11.24,0,0,0,6.22,10.07l7.51,3.76a11.28,11.28,0,0,1,5,15.12h0a11.27,11.27,0,0,1-15.11,5l-20-10a11.27,11.27,0,0,1-6.22-10.07V54a11.27,11.27,0,0,1,14.62-10.75c5.11,1.59,125.66,40.35,172.24,149A11.27,11.27,0,0,1,621.11,208H388.27A11.26,11.26,0,0,1,377,196.73V11.36A11.32,11.32,0,0,0,365.89.08C363.34,0,360.79,0,358.22,0s-5.11,0-7.66.08a11.32,11.32,0,0,0-11.11,11.28V196.74A11.26,11.26,0,0,1,328.18,208H95.35A11.27,11.27,0,0,1,85,192.3c46.57-108.67,167.12-147.42,172.23-149A11.26,11.26,0,0,1,271.86,54v75.11a11.25,11.25,0,0,1-6.23,10.07l-20,10a11.27,11.27,0,0,1-15.11-5h0a11.26,11.26,0,0,1,5-15.11l7.52-3.76a11.27,11.27,0,0,0,6.22-10.07V87.82a11.25,11.25,0,0,0-16.14-10.16c-30.6,14.87-77.45,43.48-109.1,90.07a11.3,11.3,0,0,0,9.25,17.74H305.66a11.26,11.26,0,0,0,11.27-11.26V15.31A11.22,11.22,0,0,0,304.17,4.14C173.88,23.86,66.66,113.71,22.17,234a11.32,11.32,0,0,0,10.56,15.29H328.18a11.26,11.26,0,0,1,11.27,11.26v0a11.26,11.26,0,0,1-11.27,11.26H19.52a11.26,11.26,0,0,0-11,8.72,359.84,359.84,0,0,0,.83,159.16,11.26,11.26,0,0,0,11,8.61H328.18a11.26,11.26,0,0,1,11.27,11.27h0a11.26,11.26,0,0,1-11.27,11.26h-294a11.32,11.32,0,0,0-10.53,15.4C69,604.65,175.3,692.78,304.16,712.3a11.21,11.21,0,0,0,12.76-11.16V542.22A11.26,11.26,0,0,0,305.66,531h-166c-9.53,0-14.89,11.22-8.69,18.47,34.09,39.77,74.45,65.66,101.77,80.18a11.25,11.25,0,0,0,16.53-10V591a11.26,11.26,0,0,1,11.26-11.26h0A11.26,11.26,0,0,1,271.85,591v63.85A11.27,11.27,0,0,1,256.8,665.5c-4.45-1.59-109.58-40-171-139.9a11.27,11.27,0,0,1,9.59-17.17H328.18a11.26,11.26,0,0,1,11.27,11.26V705.08a11.32,11.32,0,0,0,11.11,11.28q3.82.07,7.66.08c2.57,0,5.12,0,7.67-.08A11.32,11.32,0,0,0,377,705.08V519.69a11.25,11.25,0,0,1,11.27-11.26H621.1a11.26,11.26,0,0,1,9.59,17.16c-61.46,99.87-166.59,138.3-171,139.9a11.27,11.27,0,0,1-15-10.61V591a11.26,11.26,0,0,1,11.26-11.26h0A11.26,11.26,0,0,1,467.14,591v28.6a11.25,11.25,0,0,0,16.53,10c27.33-14.53,67.68-40.42,101.77-80.19,6.2-7.23.85-18.46-8.69-18.46h-166a11.26,11.26,0,0,0-11.26,11.26V701.12a11.21,11.21,0,0,0,12.76,11.17c128.86-19.51,235.14-107.66,280.48-226a11.33,11.33,0,0,0-10.53-15.41h-294A11.25,11.25,0,0,1,377,459.61ZM35.27,399.53V316.9a11.26,11.26,0,0,1,11.27-11.26H669.92a11.25,11.25,0,0,1,11.26,11.26v82.63a11.25,11.25,0,0,1-11.26,11.26H46.54a11.27,11.27,0,0,1-11.27-11.26Z", 716.45, 716.44).parse();
qDebug() << lineSet.size(); qDebug() << lineSet.size();
for (vector<Point> line : lineSet) for (vector<Point>& line : lineSet)
{ {
for (Point p : line) for (Point& p : line)
p.show(); p.show();
std::cout << std::endl; std::cout << std::endl;
} }
@ -211,7 +212,7 @@ Drawable* Model::processMesh(aiMesh* mesh, const aiScene* scene, aiMatrix4x4 mod
//vector<vector<Point>> lineSet = { {Point{-1,-1}, Point{1,-1}},{Point{1,-1}, Point{1,1}}, {Point{1,1}, Point{-1,1}},{Point{-1,1}, Point{-1,-1}} }; //vector<vector<Point>> lineSet = { {Point{-1,-1}, Point{1,-1}},{Point{1,-1}, Point{1,1}}, {Point{1,1}, Point{-1,1}},{Point{-1,1}, Point{-1,-1}} };
//vector<vector<Point>> lineSet = { {Point{-1,-1}, Point{1,-1}},{Point{1,-1}, Point{1,1}}, {Point{1,1}, Point{-1,1}},{Point{-1,1}, Point{-1,-1}} }; //vector<vector<Point>> lineSet = { {Point{-1,-1}, Point{1,-1}},{Point{1,-1}, Point{1,1}}, {Point{1,1}, Point{-1,1}},{Point{-1,1}, Point{-1,-1}} };
ShortCutTree shortCutTree(3); ShortCutTree shortCutTree(100);
shortCutTree.buildShortCutTree(lineSet); shortCutTree.buildShortCutTree(lineSet);
vector<float> pointVector; vector<float> pointVector;
vector<GLuint> lineVector; vector<GLuint> lineVector;
@ -261,7 +262,7 @@ Drawable* Model::processMesh(aiMesh* mesh, const aiScene* scene, aiMatrix4x4 mod
//fillType //fillType
0, //µ¥É« 0, //µ¥É«
//fillColorMetallicRoughness //fillColorMetallicRoughness
1,1,0, 0,0.8, 240/255.,220/255.,160/255., 0.996,0.18,
}; };
elementData.insert(elementData.begin(), pointVector.begin(), pointVector.end()); elementData.insert(elementData.begin(), pointVector.begin(), pointVector.end());
qDebug() << elementIndex; qDebug() << elementIndex;

20
ArchitectureColoredPainting/Shaders/painting.comp
View File

@ -711,7 +711,7 @@ float cubic_bezier_dis(vec2 uv, vec2 p0, vec2 p1, vec2 p2, vec2 p3, bool roundEn
return sqrt(d0); return sqrt(d0);
} }
bool drawElement(uint elementIndex, vec2 localUV, out vec3 color, inout vec3 debugBVH = vec3(0)) bool drawElement(uint elementIndex, vec2 localUV, out vec3 color, out vec2 metallicRoughness, inout vec3 debugBVH = vec3(0))
{ {
bool hitElement = false; bool hitElement = false;
vec4 elementColor = vec4(-1); vec4 elementColor = vec4(-1);
@ -741,7 +741,7 @@ bool drawElement(uint elementIndex, vec2 localUV, out vec3 color, inout vec3 deb
uint styleIndex = bvhChildren[elementBvhRoot + elementBvhIndex].y; uint styleIndex = bvhChildren[elementBvhRoot + elementBvhIndex].y;
// for(int i = 0; i<200;i++) // for(int i = 0; i<200;i++)
if (elementData[styleIndex] == 0.||true) //Ãæ if (elementData[styleIndex] == 0.) //Ãæ
{ {
uint contourIndex = leftChild - 0x80000000; uint contourIndex = leftChild - 0x80000000;
@ -787,6 +787,7 @@ bool drawElement(uint elementIndex, vec2 localUV, out vec3 color, inout vec3 deb
if(elementData[styleIndex+1]==0) if(elementData[styleIndex+1]==0)
{ {
elementColor = vec4(elementData[styleIndex+2],elementData[styleIndex+3],elementData[styleIndex+4],0); elementColor = vec4(elementData[styleIndex+2],elementData[styleIndex+3],elementData[styleIndex+4],0);
metallicRoughness = vec2(elementData[styleIndex+5],elementData[styleIndex+6]);
} }
@ -824,6 +825,7 @@ bool drawElement(uint elementIndex, vec2 localUV, out vec3 color, inout vec3 deb
if(elementData[styleIndex+3]==0) if(elementData[styleIndex+3]==0)
{ {
elementColor = vec4(elementData[styleIndex+7],elementData[styleIndex+8],elementData[styleIndex+9],1); elementColor = vec4(elementData[styleIndex+7],elementData[styleIndex+8],elementData[styleIndex+9],1);
metallicRoughness = vec2(elementData[styleIndex+10],elementData[styleIndex+11]);
} }
} }
} }
@ -860,13 +862,12 @@ void main()
if(paintingIndex==0) if(paintingIndex==0)
return; return;
imageStore(gMetallicRoughness, pixelLocation, vec4(0 /*½ðÊô¶È*/, 0.8 /*´Ö²Ú¶È*/, 0, 1));
vec2 uv = imageLoad(gPaintingTexCoord, pixelLocation).rg; vec2 uv = imageLoad(gPaintingTexCoord, pixelLocation).rg;
vec3 debugBVH = vec3(0); vec3 debugBVH = vec3(0);
//bool debugHit = false; //bool debugHit = false;
vec4 color = vec4(-1); vec4 color = vec4(1,1,1,-1);
vec2 metallicRoughness = vec2(0, 0.8);
stack.top = 0; stack.top = 0;
uint index = 0, visitTime = 0; uint index = 0, visitTime = 0;
uint bvhLength = paintingOffsets[paintingIndex-1].y; uint bvhLength = paintingOffsets[paintingIndex-1].y;
@ -895,8 +896,12 @@ void main()
debugBVH = vec3(0); debugBVH = vec3(0);
vec3 elementColor; vec3 elementColor;
if(drawElement(leftChild - 0x80000000, localUV, elementColor, debugBVH)) vec2 elementMetallicRoughness;
if(drawElement(leftChild - 0x80000000, localUV, elementColor, elementMetallicRoughness, debugBVH))
{
color = vec4(elementColor, zIndex); color = vec4(elementColor, zIndex);
metallicRoughness = elementMetallicRoughness;
}
} }
@ -920,7 +925,8 @@ void main()
} }
imageStore(gBaseColor, pixelLocation, vec4(color.rgb,1)); imageStore(gBaseColor, pixelLocation, vec4(color.rgb,1));
//return; imageStore(gMetallicRoughness, pixelLocation, vec4(metallicRoughness, 0, 1));
return;
if (color.a!=-1&&debugBVH==vec3(0)) if (color.a!=-1&&debugBVH==vec3(0))
imageStore(gBaseColor, pixelLocation, vec4(vec3(1, 1, 0),1)); imageStore(gBaseColor, pixelLocation, vec4(vec3(1, 1, 0),1));
else else

1
ArchitectureColoredPainting/ShortCutTree.cpp
View File

@ -288,6 +288,7 @@ vector<BvhTreeData> ShortCutTree::getPointLineAndBvhTree(vector<float>& resPoint
for (auto& nowTreeNode : restOfTreeNodes) { for (auto& nowTreeNode : restOfTreeNodes) {
BvhTreeData oneData; BvhTreeData oneData;
oneData.leftSon = resLines.size(); oneData.leftSon = resLines.size();
oneData.rightSon = resPoints.size();
oneData.bound = nowTreeNode.bound; oneData.bound = nowTreeNode.bound;
std::cout << nowTreeNode.lineSet.size() << ' '; std::cout << nowTreeNode.lineSet.size() << ' ';
resLines.push_back(nowTreeNode.lineSet.size()); resLines.push_back(nowTreeNode.lineSet.size());

401
ArchitectureColoredPainting/SvgParser.cpp
View File

@ -6,8 +6,8 @@ using namespace std;
namespace SVGParser namespace SVGParser
{ {
SVGCommandType getSVGCommand(char c) SVGCommandType getSVGCommand(char c)
{ {
switch (c) switch (c)
{ {
case 'm': case 'm':
@ -81,9 +81,9 @@ SVGCommandType getSVGCommand(char c)
return SVG_INVALID; return SVG_INVALID;
break; break;
} }
}; };
int getCommandLength(SVGCommandType t) int getCommandLength(SVGCommandType t)
{ {
switch (t) switch (t)
{ {
case SVG_MOVE_TO_REL: case SVG_MOVE_TO_REL:
@ -128,15 +128,15 @@ int getCommandLength(SVGCommandType t)
return 0; return 0;
break; break;
} }
}; };
bool isAbsolute(SVGCommandType t) bool isAbsolute(SVGCommandType t)
{ {
if (t == SVG_CLOSE_PATH) if (t == SVG_CLOSE_PATH)
return false; return false;
return t % 2; return t % 2;
} }
SVGPath createCommandChunk(SVGCommandType t, vector<double> elements) SVGPath createCommandChunk(SVGCommandType t, vector<double> elements)
{ {
int commandLength = getCommandLength(t); int commandLength = getCommandLength(t);
SVGPath chunk; SVGPath chunk;
bool abs = isAbsolute(t); bool abs = isAbsolute(t);
@ -209,9 +209,9 @@ SVGPath createCommandChunk(SVGCommandType t, vector<double> elements)
t = SVGCommandType(int(t) + 2); t = SVGCommandType(int(t) + 2);
} }
return chunk; return chunk;
} }
SVGPath parsePath(istream &ss) SVGPath parsePath(istream& ss)
{ {
SVGPath commandArray; SVGPath commandArray;
// istringstream ss(path); // istringstream ss(path);
// bool absolute = false; // bool absolute = false;
@ -241,185 +241,185 @@ SVGPath parsePath(istream &ss)
SVGPath chunk = createCommandChunk(command, elements); SVGPath chunk = createCommandChunk(command, elements);
commandArray.insert(commandArray.end(), chunk.begin(), chunk.end()); commandArray.insert(commandArray.end(), chunk.begin(), chunk.end());
return commandArray; return commandArray;
} }
SVGCommand::SVGCommand(double _x, double _y, bool abs) : x(_x), y(_y), absolute(abs) SVGCommand::SVGCommand(double _x, double _y, bool abs) : x(_x), y(_y), absolute(abs)
{ {
} }
SVGLineTo::SVGLineTo(double x, double y, bool abs) : SVGCommand(x, y, abs) SVGLineTo::SVGLineTo(double x, double y, bool abs) : SVGCommand(x, y, abs)
{ {
} }
const string SVGLineTo::toString() const const string SVGLineTo::toString() const
{ {
stringstream s; stringstream s;
s << (absolute ? "L" : "l") << x << "," << y; s << (absolute ? "L" : "l") << x << "," << y;
return s.str(); return s.str();
} }
string SVGLineTo::toString2() string SVGLineTo::toString2()
{ {
stringstream s; stringstream s;
s << "Line to (" << (absolute ? "absolute" : "relative") << ") " << x << "x" << y; s << "Line to (" << (absolute ? "absolute" : "relative") << ") " << x << "x" << y;
return s.str(); return s.str();
} }
SVGCommandType SVGLineTo::getType() SVGCommandType SVGLineTo::getType()
{ {
return absolute ? SVG_LINE_TO_ABS : SVG_LINE_TO_REL; return absolute ? SVG_LINE_TO_ABS : SVG_LINE_TO_REL;
} }
SVGHLineTo::SVGHLineTo(double x, bool abs) : SVGCommand(x, 0, abs) SVGHLineTo::SVGHLineTo(double x, bool abs) : SVGCommand(x, 0, abs)
{ {
} }
const string SVGHLineTo::toString() const const string SVGHLineTo::toString() const
{ {
stringstream s; stringstream s;
s << (absolute ? "H" : "h") << x; s << (absolute ? "H" : "h") << x;
return s.str(); return s.str();
} }
string SVGHLineTo::toString2() string SVGHLineTo::toString2()
{ {
stringstream s; stringstream s;
s << "Horizontal Line (" << (absolute ? "absolute" : "relative") << ") " << x << "px"; s << "Horizontal Line (" << (absolute ? "absolute" : "relative") << ") " << x << "px";
return s.str(); return s.str();
} }
SVGCommandType SVGHLineTo::getType() SVGCommandType SVGHLineTo::getType()
{ {
return absolute ? SVG_HORIZONTAL_LINE_TO_ABS : SVG_HORIZONTAL_LINE_TO_REL; return absolute ? SVG_HORIZONTAL_LINE_TO_ABS : SVG_HORIZONTAL_LINE_TO_REL;
} }
SVGVLineTo::SVGVLineTo(double y, bool abs) : SVGCommand(0, y, abs) SVGVLineTo::SVGVLineTo(double y, bool abs) : SVGCommand(0, y, abs)
{ {
} }
const string SVGVLineTo::toString() const const string SVGVLineTo::toString() const
{ {
stringstream s; stringstream s;
s << (absolute ? "V" : "v") << y; s << (absolute ? "V" : "v") << y;
return s.str(); return s.str();
} }
string SVGVLineTo::toString2() string SVGVLineTo::toString2()
{ {
stringstream s; stringstream s;
s << "Vertical Line (" << (absolute ? "absolute" : "relative") << ") " << y << "px"; s << "Vertical Line (" << (absolute ? "absolute" : "relative") << ") " << y << "px";
return s.str(); return s.str();
} }
SVGCommandType SVGVLineTo::getType() SVGCommandType SVGVLineTo::getType()
{ {
return absolute ? SVG_VERTICAL_LINE_TO_ABS : SVG_VERTICAL_LINE_TO_REL; return absolute ? SVG_VERTICAL_LINE_TO_ABS : SVG_VERTICAL_LINE_TO_REL;
} }
SVGMoveTo::SVGMoveTo(double x, double y, bool abs) : SVGCommand(x, y, abs) SVGMoveTo::SVGMoveTo(double x, double y, bool abs) : SVGCommand(x, y, abs)
{ {
} }
const string SVGMoveTo::toString() const const string SVGMoveTo::toString() const
{ {
stringstream s; stringstream s;
s << (absolute ? "M" : "m") << x << "," << y; s << (absolute ? "M" : "m") << x << "," << y;
return s.str(); return s.str();
} }
string SVGMoveTo::toString2() string SVGMoveTo::toString2()
{ {
stringstream s; stringstream s;
s << "Move to (" << (absolute ? "absolute" : "relative") << ") to " << x << "x" << y; s << "Move to (" << (absolute ? "absolute" : "relative") << ") to " << x << "x" << y;
return s.str(); return s.str();
} }
SVGCommandType SVGMoveTo::getType() SVGCommandType SVGMoveTo::getType()
{ {
return absolute ? SVG_MOVE_TO_ABS : SVG_MOVE_TO_REL; return absolute ? SVG_MOVE_TO_ABS : SVG_MOVE_TO_REL;
} }
SVGCubicCurveTo::SVGCubicCurveTo(double _x0, double _y0, double _x1, double _y1, double x, double y, bool abs) SVGCubicCurveTo::SVGCubicCurveTo(double _x0, double _y0, double _x1, double _y1, double x, double y, bool abs)
: SVGCommand(x, y, abs), x0(_x0), y0(_y0), x1(_x1), y1(_y1) : SVGCommand(x, y, abs), x0(_x0), y0(_y0), x1(_x1), y1(_y1)
{ {
} }
const string SVGCubicCurveTo::toString() const const string SVGCubicCurveTo::toString() const
{ {
stringstream s; stringstream s;
s << (absolute ? "C" : "c") << x0 << "," << y0 << " " << x1 << "," << y1 << " " << x << "," << y; s << (absolute ? "C" : "c") << x0 << "," << y0 << " " << x1 << "," << y1 << " " << x << "," << y;
return s.str(); return s.str();
} }
string SVGCubicCurveTo::toString2() string SVGCubicCurveTo::toString2()
{ {
stringstream s; stringstream s;
s << "Cubic Curve (" << (absolute ? "absolute" : "relative") << ") control points: " << x0 << "," << y0 << " " << x1 s << "Cubic Curve (" << (absolute ? "absolute" : "relative") << ") control points: " << x0 << "," << y0 << " " << x1
<< "," << y1 << " to " << x << "x" << y; << "," << y1 << " to " << x << "x" << y;
return s.str(); return s.str();
} }
SVGCommandType SVGCubicCurveTo::getType() SVGCommandType SVGCubicCurveTo::getType()
{ {
return absolute ? SVG_CUBIC_CURVE_TO_ABS : SVG_CUBIC_CURVE_TO_REL; return absolute ? SVG_CUBIC_CURVE_TO_ABS : SVG_CUBIC_CURVE_TO_REL;
} }
SVGSmoothCubicCurveTo::SVGSmoothCubicCurveTo(double _x1, double _y1, double x, double y, bool abs) SVGSmoothCubicCurveTo::SVGSmoothCubicCurveTo(double _x1, double _y1, double x, double y, bool abs)
: SVGCommand(x, y, abs), x1(_x1), y1(_y1) : SVGCommand(x, y, abs), x1(_x1), y1(_y1)
{ {
} }
const string SVGSmoothCubicCurveTo::toString() const const string SVGSmoothCubicCurveTo::toString() const
{ {
stringstream s; stringstream s;
s << (absolute ? "S" : "s") << x1 << "," << y1 << " " << x << "," << y; s << (absolute ? "S" : "s") << x1 << "," << y1 << " " << x << "," << y;
return s.str(); return s.str();
} }
string SVGSmoothCubicCurveTo::toString2() string SVGSmoothCubicCurveTo::toString2()
{ {
stringstream s; stringstream s;
s << "Smooth cubic curve to (" << (absolute ? "absolute" : "relative") << ") control point: " << x1 << "," << y1 s << "Smooth cubic curve to (" << (absolute ? "absolute" : "relative") << ") control point: " << x1 << "," << y1
<< " to " << x << "x" << y; << " to " << x << "x" << y;
return s.str(); return s.str();
} }
SVGCommandType SVGSmoothCubicCurveTo::getType() SVGCommandType SVGSmoothCubicCurveTo::getType()
{ {
return absolute ? SVG_SMOOTH_CUBIC_CURVE_TO_ABS : SVG_SMOOTH_CUBIC_CURVE_TO_REL; return absolute ? SVG_SMOOTH_CUBIC_CURVE_TO_ABS : SVG_SMOOTH_CUBIC_CURVE_TO_REL;
} }
SVGQuadraticCurveTo::SVGQuadraticCurveTo(double _x0, double _y0, double x, double y, bool abs) SVGQuadraticCurveTo::SVGQuadraticCurveTo(double _x0, double _y0, double x, double y, bool abs)
: SVGCommand(x, y, abs), x0(_x0), y0(_y0) : SVGCommand(x, y, abs), x0(_x0), y0(_y0)
{ {
} }
const string SVGQuadraticCurveTo::toString() const const string SVGQuadraticCurveTo::toString() const
{ {
stringstream s; stringstream s;
s << (absolute ? "Q" : "q") << x0 << "," << y0 << " " << x << "," << y; s << (absolute ? "Q" : "q") << x0 << "," << y0 << " " << x << "," << y;
return s.str(); return s.str();
} }
string SVGQuadraticCurveTo::toString2() string SVGQuadraticCurveTo::toString2()
{ {
stringstream s; stringstream s;
s << "quadratic curve (" << (absolute ? "absolute" : "relative") << ") control point: " << x0 << "," << y0 << " to " s << "quadratic curve (" << (absolute ? "absolute" : "relative") << ") control point: " << x0 << "," << y0 << " to "
<< x << "x" << y; << x << "x" << y;
return s.str(); return s.str();
} }
SVGCommandType SVGQuadraticCurveTo::getType() SVGCommandType SVGQuadraticCurveTo::getType()
{ {
return absolute ? SVG_QUADRATIC_CURVE_TO_ABS : SVG_QUADRATIC_CURVE_TO_REL; return absolute ? SVG_QUADRATIC_CURVE_TO_ABS : SVG_QUADRATIC_CURVE_TO_REL;
} }
SVGSmoothQuadraticCurveTo::SVGSmoothQuadraticCurveTo(double x, double y, bool abs) : SVGCommand(x, y, abs) SVGSmoothQuadraticCurveTo::SVGSmoothQuadraticCurveTo(double x, double y, bool abs) : SVGCommand(x, y, abs)
{ {
} }
const string SVGSmoothQuadraticCurveTo::toString() const const string SVGSmoothQuadraticCurveTo::toString() const
{ {
stringstream s; stringstream s;
s << (absolute ? "T" : "t") << x << "," << y; s << (absolute ? "T" : "t") << x << "," << y;
return s.str(); return s.str();
} }
string SVGSmoothQuadraticCurveTo::toString2() string SVGSmoothQuadraticCurveTo::toString2()
{ {
stringstream s; stringstream s;
s << "Smooth quadratic curve (" << (absolute ? "absolute" : "relative") << ") to " << x << "x" << y; s << "Smooth quadratic curve (" << (absolute ? "absolute" : "relative") << ") to " << x << "x" << y;
return s.str(); return s.str();
} }
SVGCommandType SVGSmoothQuadraticCurveTo::getType() SVGCommandType SVGSmoothQuadraticCurveTo::getType()
{ {
return absolute ? SVG_SMOOTH_QUADRATIC_CURVE_TO_ABS : SVG_SMOOTH_QUADRATIC_CURVE_TO_REL; return absolute ? SVG_SMOOTH_QUADRATIC_CURVE_TO_ABS : SVG_SMOOTH_QUADRATIC_CURVE_TO_REL;
} }
SVGArcTo::SVGArcTo(double rx, double ry, double rotxaxis, bool large, bool sweep, double x, double y, bool abs) SVGArcTo::SVGArcTo(double rx, double ry, double rotxaxis, bool large, bool sweep, double x, double y, bool abs)
: SVGCommand(x, y, abs) : SVGCommand(x, y, abs)
{ {
this->rx = rx; this->rx = rx;
this->ry = ry; this->ry = ry;
@ -427,61 +427,61 @@ SVGArcTo::SVGArcTo(double rx, double ry, double rotxaxis, bool large, bool sweep
this->large = large; this->large = large;
this->sweep = sweep; this->sweep = sweep;
} }
const string SVGArcTo::toString() const const string SVGArcTo::toString() const
{ {
stringstream s; stringstream s;
s << (absolute ? "A" : "a") << rx << "," << ry << " " << rot << " " << large << "," << sweep << " " << x << "," s << (absolute ? "A" : "a") << rx << "," << ry << " " << rot << " " << large << "," << sweep << " " << x << ","
<< y; << y;
return s.str(); return s.str();
} }
string SVGArcTo::toString2() string SVGArcTo::toString2()
{ {
stringstream s; stringstream s;
s << "Arc (" << (absolute ? "absolute" : "relative") << "x-radii: " << rx << " y-radii: " << ry s << "Arc (" << (absolute ? "absolute" : "relative") << "x-radii: " << rx << " y-radii: " << ry
<< " x-rotation: " << rot << " large-arc: " << large << " sweep: " << sweep << " to: " << x << "x" << y; << " x-rotation: " << rot << " large-arc: " << large << " sweep: " << sweep << " to: " << x << "x" << y;
return s.str(); return s.str();
} }
SVGCommandType SVGArcTo::getType() SVGCommandType SVGArcTo::getType()
{ {
return absolute ? SVG_ARC_TO_ABS : SVG_ARC_TO_REL; return absolute ? SVG_ARC_TO_ABS : SVG_ARC_TO_REL;
} }
SVGClosePath::SVGClosePath(bool abs) : SVGCommand(0, 0, abs) SVGClosePath::SVGClosePath(bool abs) : SVGCommand(0, 0, abs)
{ {
} }
const string SVGClosePath::toString() const const string SVGClosePath::toString() const
{ {
stringstream s; stringstream s;
s << (absolute ? "Z" : "z"); s << (absolute ? "Z" : "z");
return s.str(); return s.str();
} }
string SVGClosePath::toString2() string SVGClosePath::toString2()
{ {
stringstream s; stringstream s;
s << "Close path"; s << "Close path";
return s.str(); return s.str();
} }
SVGCommandType SVGClosePath::getType() SVGCommandType SVGClosePath::getType()
{ {
return SVG_CLOSE_PATH; return SVG_CLOSE_PATH;
} }
std::ostream &operator<<(std::ostream &out, const SVGParser::SVGPath &path) std::ostream& operator<<(std::ostream& out, const SVGParser::SVGPath& path)
{ {
for (SVGParser::SVGPath::const_iterator it = path.begin(); it != path.end(); it++) for (SVGParser::SVGPath::const_iterator it = path.begin(); it != path.end(); it++)
{ {
out << (*it)->toString(); out << (*it)->toString();
} }
return out; return out;
} }
std::ostream &operator<<(std::ostream &out, const SVGParser::SVGCommand *cmd) std::ostream& operator<<(std::ostream& out, const SVGParser::SVGCommand* cmd)
{ {
out << cmd->toString(); out << cmd->toString();
return out; return out;
} }
}; // namespace SVGParser }; // namespace SVGParser
@ -491,11 +491,11 @@ SvgParser::SvgParser(const std::string path, double width, double height) : path
Point SvgParser::convertPoint(double x, double y) Point SvgParser::convertPoint(double x, double y)
{ {
return Point{x / width * 2. - 1., 1. - y / height * 2.}; return Point{ x / width * 2. - 1., 1. - y / height * 2. };
} }
Point SvgParser::clampPoint(Point p) Point SvgParser::clampPoint(Point p)
{ {
return Point{std::clamp(p.x, -1., 1.), std::clamp(p.y, -1., 1.)}; return Point{ std::clamp(p.x, -1., 1.), std::clamp(p.y, -1., 1.) };
} }
Point SvgParser::convertAbsPoint(double x, double y) Point SvgParser::convertAbsPoint(double x, double y)
{ {
@ -503,11 +503,12 @@ Point SvgParser::convertAbsPoint(double x, double y)
} }
Point SvgParser::convertRelPoint(Point pointBegin, double x, double y) Point SvgParser::convertRelPoint(Point pointBegin, double x, double y)
{ {
return clampPoint(pointBegin + Point{x / width * 2., -y / height * 2.}); return clampPoint(pointBegin + Point{ x / width * 2., -y / height * 2. });
} }
using namespace SVGParser; using namespace SVGParser;
vector<vector<Point>> SvgParser::parse() vector<vector<Point>> SvgParser::parse()
{ {
Point startPoint;
vector<Point> line; vector<Point> line;
vector<vector<Point>> lines; vector<vector<Point>> lines;
@ -517,9 +518,19 @@ vector<vector<Point>> SvgParser::parse()
{ {
switch (svgCmd->getType()) switch (svgCmd->getType())
{ {
case SVG_MOVE_TO_REL:
{
shared_ptr<SVGMoveTo> cmd = static_pointer_cast<SVGMoveTo>(svgCmd);
startPoint = convertRelPoint(line.back(), cmd->x, cmd->y);
line.clear();
line.push_back(startPoint);
break;
}
case SVG_MOVE_TO_ABS: { case SVG_MOVE_TO_ABS: {
shared_ptr<SVGMoveTo> cmd = static_pointer_cast<SVGMoveTo>(svgCmd); shared_ptr<SVGMoveTo> cmd = static_pointer_cast<SVGMoveTo>(svgCmd);
line.push_back(convertAbsPoint(cmd->x, cmd->y)); startPoint = convertAbsPoint(cmd->x, cmd->y);
line.clear();
line.push_back(startPoint);
break; break;
} }
case SVG_LINE_TO_REL: { case SVG_LINE_TO_REL: {
@ -545,7 +556,7 @@ vector<vector<Point>> SvgParser::parse()
} }
case SVG_HORIZONTAL_LINE_TO_ABS: { case SVG_HORIZONTAL_LINE_TO_ABS: {
shared_ptr<SVGHLineTo> cmd = static_pointer_cast<SVGHLineTo>(svgCmd); shared_ptr<SVGHLineTo> cmd = static_pointer_cast<SVGHLineTo>(svgCmd);
line.push_back(convertAbsPoint(cmd->x, line.back().y)); line.push_back(Point{ convertAbsPoint(cmd->x, 0).x, line.back().y });
lines.push_back(line); lines.push_back(line);
line.erase(line.begin(), line.end() - 1); line.erase(line.begin(), line.end() - 1);
break; break;
@ -559,7 +570,7 @@ vector<vector<Point>> SvgParser::parse()
} }
case SVG_VERTICAL_LINE_TO_ABS: { case SVG_VERTICAL_LINE_TO_ABS: {
shared_ptr<SVGVLineTo> cmd = static_pointer_cast<SVGVLineTo>(svgCmd); shared_ptr<SVGVLineTo> cmd = static_pointer_cast<SVGVLineTo>(svgCmd);
line.push_back(convertAbsPoint(line.back().x, cmd->y)); line.push_back(Point{ line.back().x, convertAbsPoint(0, cmd->y).y });
lines.push_back(line); lines.push_back(line);
line.erase(line.begin(), line.end() - 1); line.erase(line.begin(), line.end() - 1);
break; break;
@ -607,25 +618,61 @@ vector<vector<Point>> SvgParser::parse()
line.erase(line.begin(), line.end() - 1); line.erase(line.begin(), line.end() - 1);
break; break;
} }
/*case SVG_ARC_TO_REL: case SVG_SMOOTH_CUBIC_CURVE_TO_REL:
{ {
shared_ptr<SVGArcTo> cmd = static_pointer_cast<SVGArcTo>(svgCmd); shared_ptr<SVGSmoothCubicCurveTo> cmd = static_pointer_cast<SVGSmoothCubicCurveTo>(svgCmd);
Point pointBegin = line.back(); line.push_back(convertRelPoint(line.back(), cmd->x, cmd->y));
line.push_back(convertRelPoint(pointBegin, cmd->x0, cmd->y0));
line.push_back(convertRelPoint(pointBegin, cmd->x1, cmd->y1));
line.push_back(convertRelPoint(pointBegin, cmd->x, cmd->y));
lines.push_back(line); lines.push_back(line);
line.erase(line.begin(), line.end() - 1); line.erase(line.begin(), line.end() - 1);
break; break;
}*/ }
case SVG_ARC_TO_ABS: { case SVG_SMOOTH_CUBIC_CURVE_TO_ABS:
shared_ptr<SVGArcTo> cmd = static_pointer_cast<SVGArcTo>(svgCmd); {
ellipticalArcConverter(line.back(), cmd->rx, cmd->ry, cmd->rot, cmd->large, cmd->sweep, shared_ptr<SVGSmoothCubicCurveTo> cmd = static_pointer_cast<SVGSmoothCubicCurveTo>(svgCmd);
convertAbsPoint(cmd->x, cmd->y), lines); line.push_back(convertAbsPoint(cmd->x, cmd->y));
lines.push_back(line);
line.erase(line.begin(), line.end() - 1);
break; break;
} }
case SVG_SMOOTH_QUADRATIC_CURVE_TO_REL:
{
shared_ptr<SVGSmoothQuadraticCurveTo> cmd = static_pointer_cast<SVGSmoothQuadraticCurveTo>(svgCmd);
line.push_back(convertRelPoint(line.back(), cmd->x, cmd->y));
lines.push_back(line);
line.erase(line.begin(), line.end() - 1);
break;
}
case SVG_SMOOTH_QUADRATIC_CURVE_TO_ABS:
{
shared_ptr<SVGSmoothQuadraticCurveTo> cmd = static_pointer_cast<SVGSmoothQuadraticCurveTo>(svgCmd);
line.push_back(convertAbsPoint(cmd->x, cmd->y));
lines.push_back(line);
line.erase(line.begin(), line.end() - 1);
break;
}
case SVG_ARC_TO_REL:
{
shared_ptr<SVGArcTo> cmd = static_pointer_cast<SVGArcTo>(svgCmd);
line.push_back(convertRelPoint(line.back(), cmd->x, cmd->y));
lines.push_back(line);
line.erase(line.begin(), line.end() - 1);
//ellipticalArcConverter(line.back(), cmd->rx, cmd->ry, cmd->rot, cmd->large, cmd->sweep,
// convertRelPoint(line.back(), cmd->x, cmd->y), lines);
break;
}
case SVG_ARC_TO_ABS: {
shared_ptr<SVGArcTo> cmd = static_pointer_cast<SVGArcTo>(svgCmd);
line.push_back(convertAbsPoint(cmd->x, cmd->y));
lines.push_back(line);
line.erase(line.begin(), line.end() - 1);
//ellipticalArcConverter(line.back(), cmd->rx, cmd->ry, cmd->rot, cmd->large, cmd->sweep,
// convertAbsPoint(cmd->x, cmd->y), lines);
break;
}
case SVG_CLOSE_PATH: { case SVG_CLOSE_PATH: {
line.push_back(lines[0][0]); line.push_back(startPoint);
lines.push_back(line); lines.push_back(line);
break; break;
} }
@ -637,10 +684,10 @@ vector<vector<Point>> SvgParser::parse()
return lines; return lines;
} }
void SvgParser::ellipticalArcConverter(Point beginPoint, double radiusX, double radiusY, double phi, bool flagA, void SvgParser::ellipticalArcConverter(Point beginPoint, double radiusX, double radiusY, double phi, bool flagA,
bool flagS, Point endPoint, vector<vector<Point>> &lines) bool flagS, Point endPoint, vector<vector<Point>>& lines)
{ {
auto &start = beginPoint; auto& start = beginPoint;
auto &end = endPoint; auto& end = endPoint;
if (fabs(start.x - end.x) < eps && fabs(start.y - end.y) < eps) if (fabs(start.x - end.x) < eps && fabs(start.y - end.y) < eps)
return; return;
if (fabs(radiusX) < eps || fabs(radiusY) < eps) if (fabs(radiusX) < eps || fabs(radiusY) < eps)
@ -651,8 +698,8 @@ void SvgParser::ellipticalArcConverter(Point beginPoint, double radiusX, double
radiusX = fabs(radiusX); radiusX = fabs(radiusX);
radiusY = fabs(radiusY); radiusY = fabs(radiusY);
auto center = centerConverter(start, radiusX, radiusY, phi, flagA, flagS, end); auto center = centerConverter(start, radiusX, radiusY, phi, flagA, flagS, end);
Point r{center[0], center[1]}; Point r{ center[0], center[1] };
Point c{center[2], center[3]}; Point c{ center[2], center[3] };
double theta_1 = center[4]; double theta_1 = center[4];
double deltTheta = center[5]; double deltTheta = center[5];
double segments = deltTheta * 4.0 / PI; double segments = deltTheta * 4.0 / PI;
@ -687,10 +734,10 @@ void SvgParser::ellipticalArcConverter(Point beginPoint, double radiusX, double
vector<double> SvgParser::centerConverter(Point beginPoint, double radiusX, double radiusY, double phi, bool flagA, vector<double> SvgParser::centerConverter(Point beginPoint, double radiusX, double radiusY, double phi, bool flagA,
bool flagS, Point endPoint) bool flagS, Point endPoint)
{ {
Point r{radiusX, radiusY}; Point r{ radiusX, radiusY };
double x_half = (beginPoint.x - endPoint.x) / 2.0; double x_half = (beginPoint.x - endPoint.x) / 2.0;
double y_half = (beginPoint.y - endPoint.y) / 2.0; double y_half = (beginPoint.y - endPoint.y) / 2.0;
Point r_2{radiusX * radiusX, radiusY * radiusY}; Point r_2{ radiusX * radiusX, radiusY * radiusY };
double x_1 = x_half * cos(phi) + y_half * sin(phi); double x_1 = x_half * cos(phi) + y_half * sin(phi);
double x_12 = x_1 * x_1; double x_12 = x_1 * x_1;
double y_1 = y_half * cos(phi) + x_half * sin(phi); double y_1 = y_half * cos(phi) + x_half * sin(phi);
@ -699,8 +746,8 @@ vector<double> SvgParser::centerConverter(Point beginPoint, double radiusX, doub
if (fabs(c_r - 1.0) > eps) if (fabs(c_r - 1.0) > eps)
{ {
c_r = sqrt(c_r); c_r = sqrt(c_r);
r = Point{r.x * c_r, r.y * c_r}; r = Point{ r.x * c_r, r.y * c_r };
r_2 = Point{r.x * r.x, r.y * r.y}; r_2 = Point{ r.x * r.x, r.y * r.y };
} }
double d_q = r_2.x * y_12 + r_2.y * x_12; double d_q = r_2.x * y_12 + r_2.y * x_12;
double p_q = (r_2.x * r_2.y - d_q) / d_q; double p_q = (r_2.x * r_2.y - d_q) / d_q;
@ -709,12 +756,12 @@ vector<double> SvgParser::centerConverter(Point beginPoint, double radiusX, doub
{ {
s_c *= -1.0; s_c *= -1.0;
} }
Point c{r.x * s_c * y_1 / r.y, -r.y * s_c * x_1 / r.x}; Point c{ r.x * s_c * y_1 / r.y, -r.y * s_c * x_1 / r.x };
double c_x = c.x * cos(phi) - c.y * sin(phi) + (beginPoint.x + endPoint.x) / 2.0; double c_x = c.x * cos(phi) - c.y * sin(phi) + (beginPoint.x + endPoint.x) / 2.0;
double c_y = c.x * sin(phi) + c.y * cos(phi) + (beginPoint.y + endPoint.y) / 2.0; double c_y = c.x * sin(phi) + c.y * cos(phi) + (beginPoint.y + endPoint.y) / 2.0;
Point v{(x_1 - c.x) / r.x, (y_1 - c.y) / r.y}; Point v{ (x_1 - c.x) / r.x, (y_1 - c.y) / r.y };
double theta_1 = angleConverter(Point{1, 0}, v); double theta_1 = angleConverter(Point{ 1, 0 }, v);
double deltTheta = angleConverter(v, Point{(-x_1 - c.x) / r.x, (-y_1 - c.y) / r.y}); double deltTheta = angleConverter(v, Point{ (-x_1 - c.x) / r.x, (-y_1 - c.y) / r.y });
while (deltTheta - 2.0 * PI < eps) while (deltTheta - 2.0 * PI < eps)
deltTheta += 2.0 * PI; deltTheta += 2.0 * PI;
while (deltTheta - 2.0 * PI >= eps) while (deltTheta - 2.0 * PI >= eps)
@ -743,11 +790,11 @@ Point SvgParser::eConverter(Point c, Point r, double cosPhi, double sinPhi, doub
{ {
double a = r.x * cos(t); double a = r.x * cos(t);
double b = r.y * sin(t); double b = r.y * sin(t);
return Point{c.x + a * cosPhi - b * sinPhi, c.y + a * sinPhi - b * cosPhi}; return Point{ c.x + a * cosPhi - b * sinPhi, c.y + a * sinPhi - b * cosPhi };
} }
Point SvgParser::e2Converter(Point c, Point r, double cosPhi, double sinPhi, double t) Point SvgParser::e2Converter(Point c, Point r, double cosPhi, double sinPhi, double t)
{ {
double a = -r.x * cos(t); double a = -r.x * cos(t);
double b = r.y * sin(t); double b = r.y * sin(t);
return Point{a * cosPhi - b * sinPhi, a * sinPhi - b * cosPhi}; return Point{ a * cosPhi - b * sinPhi, a * sinPhi - b * cosPhi };
} }

4
README.md
View File

@ -5,7 +5,7 @@
## 依赖 ## 依赖
- Qt 5.15.2 (MSVC 2019 64-bit) - Qt 5.15.2 (MSVC 2019 64-bit)
- Assimp (x64-windows) - [Assimp](https://github.com/assimp/assimp) (x64-windows，建议使用vcpkg安装)
## 构建 ## 构建
@ -17,4 +17,4 @@
已实现BVH加速结构的建立 已实现BVH加速结构的建立
基本实现单图元的拆分，即划分网格并生成快捷段和缠绕增量，尚未验证正确性 已实现单图元的拆分，即划分网格并生成快捷段和缠绕增量