1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
#include "style.h"
#include "assetFactory.h"
ModelFactoryMesh::Color
Style::parseColour(const std::string_view & in)
{
if (in.empty()) {
throw std::runtime_error("Empty colour specification");
}
if (in[0] == '#') {
if (in.length() > 9 || in.length() % 2 == 0) {
throw std::runtime_error("Invalid hex colour specification");
}
ModelFactoryMesh::Color out {0, 0, 0, 1};
std::generate_n(out.begin(), (in.length() - 1) / 2, [in = in.data() + 1]() mutable {
uint8_t channel;
std::from_chars(in, in + 2, channel, 16);
in += 2;
return static_cast<float>(channel) / 256.F;
});
return out;
}
if (auto mf = std::dynamic_pointer_cast<const AssetFactory>(Persistence::sharedObjects.at("assetFactory"))) {
if (const auto colour = mf->colours.find(in); colour != mf->colours.end()) {
const auto out = glm::vec3 {colour->second} / 256.F;
return {out.r, out.g, out.b, 1.f};
}
}
throw std::runtime_error("No such asset factory colour");
}
void
Style::applyStyle(ModelFactoryMesh & mesh, const StyleStack & parents, const Shape::CreatedFaces & faces) const
{
if (const auto effectiveColour = getProperty(parents, &Style::colour); !effectiveColour.empty()) {
const auto parsedColour = parseColour(effectiveColour);
for (const auto & face : faces) {
mesh.set_color(face.second, parsedColour);
}
}
}
void
Style::applyStyle(ModelFactoryMesh & mesh, const StyleStack & parents, const ModelFactoryMesh::FaceHandle & face) const
{
if (const auto effectiveColour = getProperty(parents, &Style::colour); !effectiveColour.empty()) {
const auto parsedColour = parseColour(effectiveColour);
mesh.set_color(face, parsedColour);
}
}
std::string_view
Style::getProperty(const StyleStack & parents, std::string Style::*member)
{
if (const auto itr = std::find_if(parents.rbegin(), parents.rend(),
[&member](auto && s) {
return !(s->*member).empty();
});
itr != parents.rend()) {
return (*itr)->*member;
}
return {};
}
bool
Style::persist(Persistence::PersistenceStore & store)
{
return STORE_MEMBER(colour);
}
|
