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
|
#include <mbgl/layout/symbol_instance.hpp>
#include <mbgl/style/layers/symbol_layer_properties.hpp>
namespace mbgl {
using namespace style;
SymbolInstance::SymbolInstance(Anchor& anchor,
const GeometryCoordinates& line,
const std::pair<Shaping, Shaping>& shapedTextOrientations,
optional<PositionedIcon> shapedIcon,
const SymbolLayoutProperties::Evaluated& layout,
const float layoutTextSize,
const bool addToBuffers,
const uint32_t index_,
const float textBoxScale,
const float textPadding,
const SymbolPlacementType textPlacement,
const float iconBoxScale,
const float iconPadding,
const SymbolPlacementType iconPlacement,
const GlyphPositionMap& positions,
const IndexedSubfeature& indexedFeature,
const std::size_t featureIndex_) :
point(anchor.point),
index(index_),
hasText(shapedTextOrientations.first || shapedTextOrientations.second),
hasIcon(shapedIcon),
// Create the collision features that will be used to check whether this symbol instance can be placed
textCollisionFeature(line, anchor, shapedTextOrientations.second ?: shapedTextOrientations.first, textBoxScale, textPadding, textPlacement, indexedFeature),
iconCollisionFeature(line, anchor, shapedIcon, iconBoxScale, iconPadding, iconPlacement, indexedFeature),
featureIndex(featureIndex_) {
// Create the quads used for rendering the icon and glyphs.
if (addToBuffers) {
if (shapedIcon) {
iconQuad = getIconQuad(anchor, *shapedIcon, line, layout, layoutTextSize, iconPlacement, shapedTextOrientations.first);
}
if (shapedTextOrientations.first) {
auto quads = getGlyphQuads(anchor, shapedTextOrientations.first, textBoxScale, line, layout, textPlacement, positions);
glyphQuads.insert(glyphQuads.end(), quads.begin(), quads.end());
}
if (shapedTextOrientations.second) {
auto quads = getGlyphQuads(anchor, shapedTextOrientations.second, textBoxScale, line, layout, textPlacement, positions);
glyphQuads.insert(glyphQuads.end(), quads.begin(), quads.end());
}
}
if (shapedTextOrientations.first && shapedTextOrientations.second) {
writingModes = WritingModeType::Horizontal | WritingModeType::Vertical;
} else if (shapedTextOrientations.first) {
writingModes = WritingModeType::Horizontal;
} else if (shapedTextOrientations.second) {
writingModes = WritingModeType::Vertical;
} else {
writingModes = WritingModeType::None;
}
}
} // namespace mbgl
|
