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[core, ios, macos] Add image accessor to MGLStyle (#7096)

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* [core] Add interface to get image from sprite atlas

* [tests] Add tests for Map::getImage

* [ios, macos] WIP: get MGLImage for name from style

* [ios, macos] Fixed -imageForName:

Convert from sprite images to platform images using the existing encodePNG() function, which is also used for printing. Allow -imageForName: to return nil without an assertion failure. Added a basic test.
This commit is contained in:
Roman Blum
2016-12-06 02:16:13 +01:00
committed by Minh Nguyễn
parent 5579e67804
commit 1045934d5e
19 changed files with 173 additions and 6 deletions
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12
test/map/map.test.cpp
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@@ -394,3 +394,15 @@ TEST(Map, RemoveImage) {
map.removeImage("test-icon");
test::checkImage("test/fixtures/map/remove_icon", test::render(map, test.view));
}
TEST(Map, GetImage) {
MapTest test;
Map map(test.backend, test.view.size, 1, test.fileSource, test.threadPool, MapMode::Still);
auto decoded = decodeImage(util::read_file("test/fixtures/sprites/default_marker.png"));
auto image = std::make_unique<SpriteImage>(std::move(decoded), 1.0);
map.setStyleJSON(util::read_file("test/fixtures/api/icon_style.json"));
map.addImage("test-icon", std::move(image));
test::checkImage("test/fixtures/map/get_icon", map.getImage("test-icon")->image);
}