comparison: src/invert.cpp
src/invert.cpp
- changeset 183
- 97b591813c8b
- parent 33
- 4c41bfe2ec6e
- child 200
- ca23936b455b
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| 182:27fb1c3c9fbb | 183:97b591813c8b |
|---|---|
| 18 | 18 |
| 19 #include "main.h" | 19 #include "main.h" |
| 20 #include "model.h" | 20 #include "model.h" |
| 21 #include "gl/common.h" | 21 #include "gl/common.h" |
| 22 #include "invert.h" | 22 #include "invert.h" |
| 23 | 23 #include "documentmanager.h" |
| 24 #if 0 | 24 #include "modeleditor.h" |
| 25 /* | |
| 26 * Returns whether or not the document is flat. | |
| 27 * If it is flat, the result is stored in *axis. | |
| 28 */ | |
| 29 bool isflat(Model* model, Axis* flatDimension) | |
| 30 { | |
| 31 // The dimensions that this model is potentially flat in. | |
| 32 QVector<Axis> dimensions = {X, Y, Z}; | |
| 33 | |
| 34 // Iterate through everything in the subfile. If there is any vertex with a coordinate not at | |
| 35 // zero, the subfile is not flat in that dimension. | |
| 36 for (LDObject* subfileObject : model->objects()) | |
| 37 { | |
| 38 for (int i = 0; i < subfileObject->numVertices(); ++i) | |
| 39 { | |
| 40 Vertex const& v_i = subfileObject->vertex(i); | |
| 41 | |
| 42 if (not qFuzzyCompare(v_i.x, 0.0)) | |
| 43 dimensions.removeOne(X); | |
| 44 | |
| 45 if (not qFuzzyCompare(v_i.y, 0.0)) | |
| 46 dimensions.removeOne(Y); | |
| 47 | |
| 48 if (not qFuzzyCompare(v_i.z, 0.0)) | |
| 49 dimensions.removeOne(Z); | |
| 50 } | |
| 51 | |
| 52 // If there are no more dimensions left, we can exit the loop. | |
| 53 if (dimensions.isEmpty()) | |
| 54 break; | |
| 55 } | |
| 56 | |
| 57 if (dimensions.size() == 1) | |
| 58 { | |
| 59 // The model is flat in one dimension, return that. | |
| 60 // If the model is flat in two or three dimensions, it's not really a valid model. | |
| 61 *flatDimension = dimensions[0]; | |
| 62 return true; | |
| 63 } | |
| 64 else | |
| 65 { | |
| 66 // The model is not flat. | |
| 67 return false; | |
| 68 } | |
| 69 } | |
| 70 #endif | |
| 71 | 25 |
| 72 /* | 26 /* |
| 73 * Returns a matrix that causes a flip on the given dimension. | 27 * Returns a matrix that causes a flip on the given dimension. |
| 74 */ | 28 */ |
| 75 glm::mat4 math::flipmatrix(const Axis dimension) | 29 glm::mat4 math::flipmatrix(const Axis dimension) |
| 77 glm::mat4 result = glm::mat4(); | 31 glm::mat4 result = glm::mat4(); |
| 78 const int k = static_cast<int>(dimension); | 32 const int k = static_cast<int>(dimension); |
| 79 result[k][k] = -1; | 33 result[k][k] = -1; |
| 80 return result; | 34 return result; |
| 81 } | 35 } |
| 82 | |
| 83 #if 0 | |
| 84 /* | |
| 85 * Inverts an LDObject so that its winding is changed. | |
| 86 */ | |
| 87 void invert(LDObject* obj, DocumentManager* context) | |
| 88 { | |
| 89 if (obj->numPolygonVertices() > 0) | |
| 90 { | |
| 91 // Object is vertex based, so change the order of the vertices. | |
| 92 QVector<Vertex> vertices; | |
| 93 vertices.resize(obj->numPolygonVertices()); | |
| 94 | |
| 95 for (int i = 0; i < vertices.size(); i += 1) | |
| 96 vertices[vertices.size() - 1 - i] = obj->vertex(i); | |
| 97 | |
| 98 for (int i = 0; i < vertices.size(); i += 1) | |
| 99 obj->setVertex(i, vertices[i]); | |
| 100 } | |
| 101 else if (obj->type() == LDObjectType::SubfileReference) | |
| 102 { | |
| 103 // Check whether subfile is flat. If it is, flip it on the axis on which it is flat. | |
| 104 Model model {context}; | |
| 105 LDSubfileReference* reference = static_cast<LDSubfileReference*>(obj); | |
| 106 reference->fileInfo(context)->inlineContents(model, true, false); | |
| 107 Axis flatDimension; | |
| 108 | |
| 109 if (::isflat(&model, &flatDimension)) | |
| 110 { | |
| 111 reference->setTransformationMatrix( | |
| 112 reference->transformationMatrix() * ::flipmatrix(flatDimension) | |
| 113 ); | |
| 114 } | |
| 115 else | |
| 116 { | |
| 117 // Subfile is not flat. Resort to invertnext. | |
| 118 reference->setInverted(not reference->isInverted()); | |
| 119 } | |
| 120 } | |
| 121 else if (obj->type() == LDObjectType::CircularPrimitive) | |
| 122 { | |
| 123 auto primitive = static_cast<LDCircularPrimitive*>(obj); | |
| 124 | |
| 125 if (primitive->isFlat()) | |
| 126 primitive->setTransformationMatrix(primitive->transformationMatrix() * ::flipmatrix(Y)); | |
| 127 else | |
| 128 primitive->setInverted(not primitive->isInverted()); | |
| 129 } | |
| 130 } | |
| 131 #endif | |
| 132 | 36 |
| 133 /* | 37 /* |
| 134 * Inverts the winding of a polygon. | 38 * Inverts the winding of a polygon. |
| 135 */ | 39 */ |
| 136 void gl::invert(gl::Polygon& polygon) | 40 void gl::invert(gl::Polygon& polygon) |
