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48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
#include "esphome/core/defines.h"
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#include "esphome/core/helpers.h"
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#include "image_format.h"
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namespace esphome::runtime_image {
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struct MimeLookup {
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const char *mime_type;
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ImageFormat format;
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};
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// The first entry per format is its canonical MIME type; the rest are aliases
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// seen from real servers (older IIS, CDNs, S3)
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static constexpr MimeLookup MIME_LOOKUP_TABLE[] = {
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#ifdef USE_RUNTIME_IMAGE_BMP
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{"image/bmp", ImageFormat::BMP}, {"image/x-ms-bmp", ImageFormat::BMP}, {"image/x-bmp", ImageFormat::BMP},
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#endif
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#ifdef USE_RUNTIME_IMAGE_JPEG
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{"image/jpeg", ImageFormat::JPEG}, {"image/jpg", ImageFormat::JPEG},
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#endif
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#ifdef USE_RUNTIME_IMAGE_PNG
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{"image/png", ImageFormat::PNG}, {"image/x-png", ImageFormat::PNG},
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#endif
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#ifdef USE_RUNTIME_IMAGE_QOI
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{"image/qoi", ImageFormat::QOI}, {"image/x-qoi", ImageFormat::QOI},
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#endif
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};
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const char *get_mime_type_for_format(ImageFormat format) {
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for (const auto &entry : MIME_LOOKUP_TABLE) {
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if (entry.format == format) {
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return entry.mime_type;
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}
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}
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return "image/*"; // AUTO or compiled-out format
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}
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std::optional<ImageFormat> get_format_for_mime_type(const char *mime_type) {
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for (const auto &entry : MIME_LOOKUP_TABLE) {
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if (str_contains_ignore_case(mime_type, entry.mime_type)) {
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return entry.format;
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}
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}
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return std::nullopt;
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}
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} // namespace esphome::runtime_image
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