src/linetypes/circularprimitive.cpp@6988973515d2 (annotated)
src/linetypes/circularprimitive.cpp
Wed, 25 May 2022 20:36:34 +0300
- author
- Teemu Piippo <teemu@hecknology.net>
- date
- Wed, 25 May 2022 20:36:34 +0300
- changeset 199
- 6988973515d2
- parent 196
- 6bcb284679d4
- permissions
- -rw-r--r--
Fix pick() picking from weird places on the screen with high DPI scaling
glReadPixels reads data from the frame buffer, which contains data after
high DPI scaling, so any reads to that need to take this scaling into account
| 186 | 1 | #include "circularprimitive.h" |
| 2 | ||
| 3 | ldraw::CircularPrimitive::CircularPrimitive(CircularPrimitiveType type, int segments, int divisions) : | |
| 4 | type{type}, | |
| 5 | segments{segments}, | |
| 6 | divisions{divisions} | |
| 7 | { | |
| 8 | } | |
| 9 | ||
| 10 | QVariant ldraw::CircularPrimitive::getProperty(Property property) const | |
| 11 | { | |
| 12 | switch (property) | |
| 13 | { | |
| 14 | case Property::Segments: | |
| 15 | return this->segments; | |
| 16 | case Property::Divisions: | |
| 17 | return this->divisions; | |
| 18 | case Property::CircularPrimitiveType: | |
| 19 | return this->type; | |
| 20 | default: | |
| 21 | return BaseClass::getProperty(property); | |
| 22 | } | |
| 23 | } | |
| 24 | ||
| 25 | QString ldraw::CircularPrimitive::textRepresentation() const | |
| 26 | { | |
| 27 | return circularPrimitiveTypeName(this->type) + " " + QString::number(this->fraction()); | |
| 28 | } | |
| 29 | ||
| 30 | QString ldraw::CircularPrimitive::circularPrimitiveTypeName(CircularPrimitiveType type) | |
| 31 | { | |
| 32 | switch (type) | |
| 33 | { | |
| 34 | case Circle: | |
| 35 | return QObject::tr("Circle"); | |
| 36 | case Disc: | |
| 37 | return QObject::tr("Disc"); | |
| 38 | } | |
| 39 | } | |
| 40 | ||
| 41 | ldraw::Object::Type ldraw::CircularPrimitive::typeIdentifier() const | |
| 42 | { | |
| 43 | return ldraw::Object::Type::CircularPrimitive; | |
| 44 | } | |
| 45 | ||
| 46 | QDataStream &ldraw::CircularPrimitive::serialize(QDataStream &stream) const | |
| 47 | { | |
| 48 | return BaseClass::serialize(stream) << this->type << this->segments << this->divisions; | |
| 49 | } | |
| 50 | ||
| 51 | QDataStream &ldraw::CircularPrimitive::deserialize(QDataStream &stream) | |
| 52 | { | |
| 53 | return BaseClass::deserialize(stream) >> this->type >> this->segments >> this->divisions; | |
| 54 | } | |
| 55 | ||
| 56 | QString ldraw::CircularPrimitive::toLDrawCode() const | |
| 57 | { | |
| 58 | return utility::format( | |
| 59 | "0 !LDFORGE CIRCULAR_PRIMITIVE %1 %2 %3 %4", | |
| 60 | static_cast<int>(this->type), | |
| 61 | this->segments, | |
| 62 | this->divisions, | |
| 63 | this->transformToBareString()); | |
| 64 | } | |
| 65 | ||
| 66 | QString ldraw::CircularPrimitive::iconName() const | |
| 67 | { | |
| 68 | return ":/icons/linetype-circularprimitive.png"; | |
| 69 | } | |
| 70 | ||
| 71 | QString ldraw::CircularPrimitive::typeName() const | |
| 72 | { | |
| 73 | return QObject::tr("circular primitive"); | |
| 74 | } | |
| 75 | ||
| 76 | void ldraw::CircularPrimitive::getPolygons(std::vector<gl::Polygon> &polygons, GetPolygonsContext *) const | |
| 77 | { | |
| 78 | for (int i = 0; i < this->segments; i += 1) | |
| 79 | { | |
| 196 | 80 | const float ang_1 = (2 * pi<> * i) / this->divisions; |
| 81 | const float ang_2 = (2 * pi<> * (i + 1)) / this->divisions; | |
| 186 | 82 | const glm::vec3 p_1 = {std::sin(ang_1), 0, std::cos(ang_1)}; |
| 83 | const glm::vec3 p_2 = {std::sin(ang_2), 0, std::cos(ang_2)}; | |
| 84 | switch (this->type) | |
| 85 | { | |
| 86 | case Circle: | |
| 87 | polygons.push_back(gl::edgeLine( | |
| 88 | p_1, | |
| 89 | p_2, | |
| 90 | this->colorIndex, | |
| 91 | this->id)); | |
| 92 | break; | |
| 93 | case Disc: | |
| 94 | polygons.push_back(gl::triangle( | |
| 95 | {0, 0, 0}, | |
| 96 | p_1, | |
| 97 | p_2, | |
| 98 | this->colorIndex, | |
| 99 | this->id)); | |
| 100 | break; | |
| 101 | } | |
| 102 | } | |
| 103 | } | |
| 104 | ||
| 105 | float ldraw::CircularPrimitive::fraction() const | |
| 106 | { | |
| 107 | return static_cast<float>(this->segments) / static_cast<float>(this->divisions); | |
| 108 | } |
