png_image.h

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#pragma once
 
#include "image_decoder.h"
#include "esphome/core/defines.h"
#ifdef USE_ONLINE_IMAGE_PNG_SUPPORT
#include <pngle.h>
 
namespace esphome {
namespace online_image {
 
class PngDecoder : public ImageDecoder {
 public:
  PngDecoder(OnlineImage *image) : ImageDecoder(image), pngle_(pngle_new()) {}
  ~PngDecoder() override { pngle_destroy(this->pngle_); }
 
  int prepare(size_t download_size) override;
  int HOT decode(uint8_t *buffer, size_t size) override;
 
 protected:
  pngle_t *pngle_;
};
 
}  // namespace online_image
}  // namespace esphome
 
#endif  // USE_ONLINE_IMAGE_PNG_SUPPORT