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5177972c04
Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com> Co-authored-by: J. Nick Koston <nick@home-assistant.io> Co-authored-by: J. Nick Koston <nick@koston.org>
47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
#pragma once
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#include "esphome/core/defines.h"
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#include "esphome/core/helpers.h"
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#include "image_decoder.h"
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#include "runtime_image.h"
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#ifdef USE_RUNTIME_IMAGE_PNG
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#include <pngle.h>
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namespace esphome::runtime_image {
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/**
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* @brief Image decoder specialization for PNG images.
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*/
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class PngDecoder : public ImageDecoder {
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public:
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/**
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* @brief Construct a new PNG Decoder object.
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*
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* @param image The RuntimeImage to decode the stream into.
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*/
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PngDecoder(RuntimeImage *image);
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~PngDecoder() override;
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void reset() override {
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ImageDecoder::reset();
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if (this->pngle_) {
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pngle_reset(this->pngle_);
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}
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this->pixels_decoded_ = 0;
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}
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int prepare(size_t expected_size) override;
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int HOT decode(uint8_t *buffer, size_t size) override;
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void increment_pixels_decoded(uint32_t count) { this->pixels_decoded_ += count; }
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uint32_t get_pixels_decoded() const { return this->pixels_decoded_; }
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protected:
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pngle_t *pngle_{nullptr};
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uint32_t pixels_decoded_{0};
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};
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} // namespace esphome::runtime_image
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#endif // USE_RUNTIME_IMAGE_PNG
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