a361ce47a1
- Android support is currently disabled due to a libwebp build issue. - iOS and OS X support will appear after the next Mapbox iOS SDK release. Related: #https://github.com/mapbox/mapbox-gl-native/issues/2354
28 lines
729 B
C++
28 lines
729 B
C++
#include <mbgl/util/image.hpp>
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#include <mbgl/util/premultiply.hpp>
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#include <mbgl/platform/log.hpp>
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extern "C"
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{
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#include <webp/decode.h>
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}
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namespace mbgl {
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PremultipliedImage decodeWebP(const uint8_t* data, size_t size) {
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int width = 0, height = 0;
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if (WebPGetInfo(data, size, &width, &height) == 0) {
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throw std::runtime_error("failed to retrieve WebP basic header information");
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}
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std::unique_ptr<uint8_t[]> webp(WebPDecodeRGBA(data, size, &width, &height));
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if (!webp) {
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throw std::runtime_error("failed to decode WebP data");
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}
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UnassociatedImage image { size_t(width), size_t(height), std::move(webp) };
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return util::premultiply(std::move(image));
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}
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} // namespace mbgl
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