f10839bac2
GlyphStore will notify observers when a glyph range is loaded. By now the notification is generic, but could be fine grained, causing the processing of buckets depending on this particular range.
101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
#include <mbgl/map/resource_loader.hpp>
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#include <mbgl/geometry/sprite_atlas.hpp>
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#include <mbgl/map/environment.hpp>
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#include <mbgl/map/source.hpp>
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#include <mbgl/map/sprite.hpp>
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#include <mbgl/map/transform.hpp>
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#include <mbgl/style/style.hpp>
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#include <cassert>
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namespace mbgl {
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ResourceLoader::ResourceLoader() {
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assert(Environment::currentlyOn(ThreadType::Map));
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}
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ResourceLoader::~ResourceLoader() {
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assert(Environment::currentlyOn(ThreadType::Map));
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for (const auto& source : style_->sources) {
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source->setObserver(nullptr);
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}
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sprite_->setObserver(nullptr);
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}
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void ResourceLoader::setObserver(Observer* observer) {
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assert(Environment::currentlyOn(ThreadType::Map));
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assert(!observer_);
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observer_ = observer;
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}
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void ResourceLoader::setStyle(Style* style) {
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assert(style);
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style_ = style;
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Environment& env = Environment::Get();
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for (const auto& source : style->sources) {
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source->setObserver(this);
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source->load(accessToken_, env);
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}
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}
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void ResourceLoader::setAccessToken(const std::string& accessToken) {
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accessToken_ = accessToken;
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}
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void ResourceLoader::update(MapData& data,
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const TransformState& transform,
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GlyphAtlas& glyphAtlas,
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GlyphStore& glyphStore,
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SpriteAtlas& spriteAtlas,
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TexturePool& texturePool) {
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if (!style_) {
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return;
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}
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const float pixelRatio = transform.getPixelRatio();
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if (!sprite_ || !sprite_->hasPixelRatio(pixelRatio)) {
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sprite_ = util::make_unique<Sprite>(style_->getSpriteURL(), pixelRatio);
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sprite_->setObserver(this);
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spriteAtlas.resize(pixelRatio);
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spriteAtlas.setSprite(sprite_);
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}
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for (const auto& source : style_->sources) {
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source->update(
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data, transform, *style_, glyphAtlas, glyphStore, spriteAtlas, sprite_, texturePool);
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}
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}
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void ResourceLoader::onGlyphRangeLoaded() {
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emitTileDataChanged();
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}
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void ResourceLoader::onSourceLoaded() {
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emitTileDataChanged();
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}
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void ResourceLoader::onTileLoaded() {
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emitTileDataChanged();
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}
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void ResourceLoader::onSpriteLoaded() {
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emitTileDataChanged();
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}
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void ResourceLoader::emitTileDataChanged() {
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assert(Environment::currentlyOn(ThreadType::Map));
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if (observer_) {
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observer_->onTileDataChanged();
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}
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}
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}
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