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
70
71
72
73
74
75
76
|
#include <mbgl/style/layers/symbol_layer_impl.hpp>
#include <mbgl/style/property_evaluation_parameters.hpp>
#include <mbgl/layout/symbol_layout.hpp>
#include <mbgl/renderer/bucket.hpp>
namespace mbgl {
namespace style {
void SymbolLayer::Impl::cascade(const CascadeParameters& parameters) {
paint.cascade(parameters);
}
bool SymbolLayer::Impl::evaluate(const PropertyEvaluationParameters& parameters) {
paint.evaluate(parameters);
// text-size and icon-size are layout properties but they also need to be evaluated as paint properties:
iconSize = layout.evaluate<IconSize>(parameters);
textSize = layout.evaluate<TextSize>(parameters);
passes = ((paint.evaluated.get<IconOpacity>() > 0 && (paint.evaluated.get<IconColor>().a > 0 || paint.evaluated.get<IconHaloColor>().a > 0) && iconSize > 0)
|| (paint.evaluated.get<TextOpacity>() > 0 && (paint.evaluated.get<TextColor>().a > 0 || paint.evaluated.get<TextHaloColor>().a > 0) && textSize > 0))
? RenderPass::Translucent : RenderPass::None;
return paint.hasTransition();
}
std::unique_ptr<Bucket> SymbolLayer::Impl::createBucket(const BucketParameters&, const std::vector<const Layer*>&) const {
assert(false); // Should be calling createLayout() instead.
return nullptr;
}
std::unique_ptr<SymbolLayout> SymbolLayer::Impl::createLayout(const BucketParameters& parameters,
const std::vector<const Layer*>& group,
const GeometryTileLayer& layer) const {
return std::make_unique<SymbolLayout>(parameters,
group,
layer,
*spriteAtlas);
}
SymbolPropertyValues SymbolLayer::Impl::iconPropertyValues(const SymbolLayoutProperties::Evaluated& layout_) const {
return SymbolPropertyValues {
layout_.get<IconRotationAlignment>(), // icon-pitch-alignment is not yet implemented; inherit the rotation alignment
layout_.get<IconRotationAlignment>(),
layout_.get<IconSize>(),
paint.evaluated.get<IconOpacity>(),
paint.evaluated.get<IconColor>(),
paint.evaluated.get<IconHaloColor>(),
paint.evaluated.get<IconHaloWidth>(),
paint.evaluated.get<IconHaloBlur>(),
paint.evaluated.get<IconTranslate>(),
paint.evaluated.get<IconTranslateAnchor>(),
iconSize,
1.0f
};
}
SymbolPropertyValues SymbolLayer::Impl::textPropertyValues(const SymbolLayoutProperties::Evaluated& layout_) const {
return SymbolPropertyValues {
layout_.get<TextPitchAlignment>(),
layout_.get<TextRotationAlignment>(),
layout_.get<TextSize>(),
paint.evaluated.get<TextOpacity>(),
paint.evaluated.get<TextColor>(),
paint.evaluated.get<TextHaloColor>(),
paint.evaluated.get<TextHaloWidth>(),
paint.evaluated.get<TextHaloBlur>(),
paint.evaluated.get<TextTranslate>(),
paint.evaluated.get<TextTranslateAnchor>(),
textSize,
24.0f
};
}
} // namespace style
} // namespace mbgl
|
