comparison: src/tools/circletool.cpp
src/tools/circletool.cpp
- changeset 191
- d355d4c52d51
- parent 190
- 3dbdc243f053
- child 192
- e6faeffed1d1
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| 190:3dbdc243f053 | 191:d355d4c52d51 |
|---|---|
| 1 #include "circletool.h" | |
| 2 #include "document.h" | |
| 3 | |
| 4 CircleTool::CircleTool(Document *document) : | |
| 5 AbstractDrawTool{document} | |
| 6 { | |
| 7 } | |
| 8 | |
| 9 QString CircleTool::name() const | |
| 10 { | |
| 11 return tr("Circle"); | |
| 12 } | |
| 13 | |
| 14 QString CircleTool::toolTip() const | |
| 15 { | |
| 16 return tr("Draw circular primitives like circles or discs"); | |
| 17 } | |
| 18 | |
| 19 std::vector<glm::vec3> circle(int divisions) | |
| 20 { | |
| 21 std::vector<glm::vec3> points; | |
| 22 points.reserve(divisions + 1); | |
| 23 for (int i = 0; i <= divisions; ++i) { | |
| 24 float ang = i * 2.0f * glm::pi<float>() / divisions; | |
| 25 points.push_back({std::sin(ang), std::cos(ang), 0.0f}); | |
| 26 } | |
| 27 return points; | |
| 28 } | |
| 29 | |
| 30 void CircleTool::overpaint(Canvas *canvas, QPainter *painter) const | |
| 31 { | |
| 32 if (this->previewPolygon.size() >= 2) | |
| 33 { | |
| 34 for (int i : {0, 1}) { | |
| 35 canvas->drawWorldPoint(painter, this->previewPolygon[i]); | |
| 36 } | |
| 37 painter->setPen(QPen{Qt::green, 2, Qt::DashLine, Qt::RoundCap, Qt::MiterJoin}); | |
| 38 canvas->drawWorldPolyline(painter, {this->previewPolygon[0], this->previewPolygon[1]}); | |
| 39 const float size = glm::distance(this->previewPolygon[1], this->previewPolygon[0]); | |
| 40 glm::mat4 matrix = size * this->baseGridMatrix; | |
| 41 matrix[3] = {this->previewPolygon[0], 1}; | |
| 42 std::vector<glm::vec3> points = circle(16); | |
| 43 for (std::size_t i = 0; i < points.size(); ++i) { | |
| 44 points[i] = matrix * glm::vec4{points[i], 1.0f}; | |
| 45 } | |
| 46 painter->setPen(QPen{Qt::black, 2, Qt::DashLine, Qt::RoundCap, Qt::MiterJoin}); | |
| 47 canvas->drawWorldPolyline(painter, points); | |
| 48 } | |
| 49 if (this->previewPolygon.size() >= 3) | |
| 50 { | |
| 51 | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 QString CircleTool::iconName() const | |
| 56 { | |
| 57 return ":/icons/linetype-circularprimitive.png"; | |
| 58 } | |
| 59 | |
| 60 void CircleTool::addPoint(const glm::vec3 &pos) | |
| 61 { | |
| 62 AbstractDrawTool::addPoint(pos); | |
| 63 if (this->polygon.size() >= 2) | |
| 64 { | |
| 65 const glm::mat4& grid = this->document->currentGrid(); | |
| 66 const glm::mat4 newGrid = {grid[1], grid[2], grid[0], {this->polygon[0], 1}}; | |
| 67 Q_EMIT this->desiredGridChange(newGrid); | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 void CircleTool::closeShape() | |
| 72 { | |
| 73 | |
| 74 } | |
| 75 | |
| 76 void CircleTool::reset() | |
| 77 { | |
| 78 this->baseGridMatrix = this->document->currentGrid(); | |
| 79 } |
