90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
#include <mbgl/storage/resource.hpp>
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#include <mbgl/util/string.hpp>
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#include <mbgl/util/token.hpp>
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#include <mbgl/util/url.hpp>
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namespace mbgl {
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Resource Resource::style(const std::string& url) {
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return Resource {
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Resource::Kind::Style,
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url
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};
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}
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Resource Resource::source(const std::string& url) {
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return Resource {
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Resource::Kind::Source,
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url
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};
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}
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Resource Resource::spriteImage(const std::string& base, float pixelRatio) {
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return Resource {
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Resource::Kind::SpriteImage,
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base + (pixelRatio > 1 ? "@2x" : "") + ".png"
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};
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}
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Resource Resource::spriteJSON(const std::string& base, float pixelRatio) {
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return Resource {
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Resource::Kind::SpriteJSON,
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base + (pixelRatio > 1 ? "@2x" : "") + ".json"
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};
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}
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Resource Resource::glyphs(const std::string& urlTemplate, const FontStack& fontStack, const std::pair<uint16_t, uint16_t>& glyphRange) {
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return Resource {
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Resource::Kind::Glyphs,
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util::replaceTokens(urlTemplate, [&](const std::string& token) {
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if (token == "fontstack") {
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return util::percentEncode(fontStackToString(fontStack));
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} else if (token == "range") {
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return util::toString(glyphRange.first) + "-" + util::toString(glyphRange.second);
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} else {
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return std::string();
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}
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})
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};
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}
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Resource Resource::tile(const std::string& urlTemplate,
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float pixelRatio,
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int32_t x,
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int32_t y,
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int8_t z,
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Necessity necessity) {
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bool supportsRatio = urlTemplate.find("{ratio}") != std::string::npos;
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return Resource {
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Resource::Kind::Tile,
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util::replaceTokens(urlTemplate, [&](const std::string& token) {
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if (token == "z") {
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return util::toString(z);
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} else if (token == "x") {
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return util::toString(x);
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} else if (token == "y") {
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return util::toString(y);
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} else if (token == "prefix") {
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std::string prefix{ 2 };
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prefix[0] = "0123456789abcdef"[x % 16];
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prefix[1] = "0123456789abcdef"[y % 16];
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return prefix;
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} else if (token == "ratio") {
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return std::string(pixelRatio > 1.0 ? "@2x" : "");
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} else {
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return std::string();
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}
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}),
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Resource::TileData {
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urlTemplate,
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uint8_t(supportsRatio && pixelRatio > 1.0 ? 2 : 1),
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x,
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y,
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z
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},
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necessity
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};
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}
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}
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