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#include <mbgl/layout/symbol_instance.hpp>
#include <mbgl/style/layers/symbol_layer_properties.hpp>
namespace mbgl {
using namespace style;
SymbolInstance::SymbolInstance(Anchor& anchor_,
GeometryCoordinates line_,
const std::tuple<Shaping, Shaping, Shaping, Shaping>& shapedTextOrientations,
optional<PositionedIcon> shapedIcon,
const SymbolLayoutProperties::Evaluated& layout,
const float layoutTextSize_,
const float textBoxScale,
const float textPadding,
const SymbolPlacementType textPlacement,
const std::array<float, 2> textOffset_,
const float iconBoxScale,
const float iconPadding,
const std::array<float, 2> iconOffset_,
const GlyphPositions& positions,
const IndexedSubfeature& indexedFeature,
const std::size_t layoutFeatureIndex_,
const std::size_t dataFeatureIndex_,
const std::u16string& key_,
const float overscaling,
const float rotate) :
anchor(anchor_),
line(line_),
hasText(false),
hasIcon(shapedIcon),
// Create the collision features that will be used to check whether this symbol instance can be placed
textCollisionFeature(line_, anchor, std::get<0>(shapedTextOrientations), textBoxScale, textPadding, textPlacement, indexedFeature, overscaling, rotate),
iconCollisionFeature(line_, anchor, shapedIcon, iconBoxScale, iconPadding, indexedFeature, rotate),
layoutFeatureIndex(layoutFeatureIndex_),
dataFeatureIndex(dataFeatureIndex_),
textOffset(textOffset_),
iconOffset(iconOffset_),
key(key_),
layoutTextSize(layoutTextSize_) {
// Create the quads used for rendering the icon and glyphs.
if (shapedIcon) {
iconQuad = getIconQuad(*shapedIcon, layout, layoutTextSize, std::get<0>(shapedTextOrientations));
}
if (std::get<0>(shapedTextOrientations)) {
rightJustifiedGlyphQuads = getGlyphQuads(std::get<0>(shapedTextOrientations), layout, textPlacement, positions);
}
if (std::get<1>(shapedTextOrientations)) {
centerJustifiedGlyphQuads = getGlyphQuads(std::get<1>(shapedTextOrientations), layout, textPlacement, positions);
}
if (std::get<2>(shapedTextOrientations)) {
leftJustifiedGlyphQuads = getGlyphQuads(std::get<2>(shapedTextOrientations), layout, textPlacement, positions);
}
if (std::get<3>(shapedTextOrientations)) {
verticalGlyphQuads = getGlyphQuads(std::get<3>(shapedTextOrientations), layout, textPlacement, positions);
}
// 'hasText' depends on finding at least one glyph in the shaping that's also in the GlyphPositionMap
hasText = rightJustifiedGlyphQuads.size() > 0 || centerJustifiedGlyphQuads.size() > 0 || leftJustifiedGlyphQuads.size() > 0 || verticalGlyphQuads.size() > 0;
if (std::get<0>(shapedTextOrientations) && std::get<3>(shapedTextOrientations)) {
writingModes = WritingModeType::Horizontal | WritingModeType::Vertical;
} else if (std::get<0>(shapedTextOrientations)) {
writingModes = WritingModeType::Horizontal;
} else if (std::get<3>(shapedTextOrientations)) {
writingModes = WritingModeType::Vertical;
} else {
writingModes = WritingModeType::None;
}
}
} // namespace mbgl
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