TheArchive/mayhem-firmware
1
0
Fork 0
mirror of https://github.com/portapack-mayhem/mayhem-firmware.git synced 2025-08-12 11:07:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix png part

Browse Source
This commit is contained in:
Totoo
2025-05-22 18:23:35 +02:00
committed by GitHub
parent a1d7cf2b86
commit c80cae3638
2 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
firmware/application/apps/ui_ss_viewer.cpp
View File

@@ -58,7 +58,7 @@ void ScreenshotViewer::paint(Painter& painter) {
} }
// Screenshots from PNGWriter are all this size. // Screenshots from PNGWriter are all this size.
if (file.size() != 232383) { if ((file.size() != 232383 && screen_width == 240) || (screen_width == 320 && file.size() != 463743)) {
show_invalid(); show_invalid();
return; return;
} }

3
firmware/common/png_writer.cpp
View File

@@ -80,7 +80,8 @@ Optional<File::Error> PNGWriter::create(
png_ihdr_dyn[14] = (height >> 8) & 0xFF; png_ihdr_dyn[14] = (height >> 8) & 0xFF;
png_ihdr_dyn[15] = height & 0xFF; png_ihdr_dyn[15] = height & 0xFF;
crc.reset(); crc.reset();
crc.process_bytes(png_ihdr_dyn.data(), 25); crc.process_bytes(&png_ihdr_dyn[4], 4); // Process chunk type "IHDR"
crc.process_bytes(&png_ihdr_dyn[8], 13); // Process chunk data
uint32_t crci = crc.checksum(); uint32_t crci = crc.checksum();
png_ihdr_dyn[21] = (crci >> 24) & 0xFF; png_ihdr_dyn[21] = (crci >> 24) & 0xFF;