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Code Issues Releases Wiki Activity

[online_image] Allocate pngle manually to potentially use psram (#8354)

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Co-authored-by: Keith Burzinski <kbx81x@gmail.com>
This commit is contained in:
Jesse Hills
2025-05-22 13:40:53 +12:00
committed by GitHub
parent 1b67dd4232
commit 5aa13db815
4 changed files with 28 additions and 6 deletions
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22
esphome/components/online_image/png_image.cpp
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@@ -34,12 +34,32 @@ static void init_callback(pngle_t *pngle, uint32_t w, uint32_t h) {
* @param h The height of the rectangle to draw.
* @param rgba The color to paint the rectangle in.
*/
static void draw_callback(pngle_t *pngle, uint32_t x, uint32_t y, uint32_t w, uint32_t h, uint8_t rgba[4]) {
static void draw_callback(pngle_t *pngle, uint32_t x, uint32_t y, uint32_t w, uint32_t h, const uint8_t rgba[4]) {
PngDecoder *decoder = (PngDecoder *) pngle_get_user_data(pngle);
Color color(rgba[0], rgba[1], rgba[2], rgba[3]);
decoder->draw(x, y, w, h, color);
}
PngDecoder::PngDecoder(OnlineImage *image) : ImageDecoder(image) {
{
pngle_t *pngle = this->allocator_.allocate(1, PNGLE_T_SIZE);
if (!pngle) {
ESP_LOGE(TAG, "Failed to allocate memory for PNGLE engine!");
return;
}
memset(pngle, 0, PNGLE_T_SIZE);
pngle_reset(pngle);
this->pngle_ = pngle;
}
}
PngDecoder::~PngDecoder() {
if (this->pngle_) {
pngle_reset(this->pngle_);
this->allocator_.deallocate(this->pngle_, PNGLE_T_SIZE);
}
}
int PngDecoder::prepare(size_t download_size) {
ImageDecoder::prepare(download_size);
if (!this->pngle_) {