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#pragma once
#include <mbgl/style/image_impl.hpp>
#include <mbgl/util/rect.hpp>
#include <mapbox/shelf-pack.hpp>
#include <array>
namespace mbgl {
namespace gfx {
class UploadPass;
class Texture;
} // namespace gfx
class ImageManager;
class ImagePosition {
public:
ImagePosition(const mapbox::Bin&, const style::Image::Impl&, uint32_t version = 0);
static constexpr const uint16_t padding = 1u;
float pixelRatio;
Rect<uint16_t> paddedRect;
uint32_t version;
style::ImageStretches stretchX;
style::ImageStretches stretchY;
optional<style::ImageContent> content;
std::array<uint16_t, 2> tl() const {
return {{static_cast<uint16_t>(paddedRect.x + padding), static_cast<uint16_t>(paddedRect.y + padding)}};
}
std::array<uint16_t, 2> br() const {
return {{static_cast<uint16_t>(paddedRect.x + paddedRect.w - padding),
static_cast<uint16_t>(paddedRect.y + paddedRect.h - padding)}};
}
std::array<uint16_t, 4> tlbr() const {
const auto _tl = tl();
const auto _br = br();
return {{ _tl[0], _tl[1], _br[0], _br[1] }};
}
std::array<float, 2> displaySize() const {
return {{
static_cast<float>(paddedRect.w - padding * 2) / pixelRatio,
static_cast<float>(paddedRect.h - padding * 2) / pixelRatio,
}};
}
};
using ImagePositions = std::map<std::string, ImagePosition>;
class ImagePatch {
public:
ImagePatch(Immutable<style::Image::Impl> image_, const Rect<uint16_t>& paddedRect_)
: image(std::move(image_)), paddedRect(paddedRect_) {}
Immutable<style::Image::Impl> image;
Rect<uint16_t> paddedRect;
};
class ImageAtlas {
public:
PremultipliedImage image;
ImagePositions iconPositions;
ImagePositions patternPositions;
std::vector<ImagePatch> getImagePatchesAndUpdateVersions(const ImageManager&);
};
ImageAtlas makeImageAtlas(const ImageMap&, const ImageMap&, const std::unordered_map<std::string, uint32_t>& versionMap);
} // namespace mbgl
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