[Bugfix] Check QGF's bpp against display's native_bits_per_pixel (#19995)

master
Pablo Martínez 2023-04-03 04:42:46 +02:00 committed by GitHub
parent ac9f9f9efb
commit 15a106b1ef
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1 changed files with 4 additions and 0 deletions

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@ -273,6 +273,10 @@ static bool qp_drawimage_recolor_impl(painter_device_t device, uint16_t x, uint1
if (ret && output_state.pixel_write_pos > 0) {
ret &= driver->driver_vtable->pixdata(device, qp_internal_global_pixdata_buffer, output_state.pixel_write_pos);
}
} else if (frame_info->bpp != driver->native_bits_per_pixel) {
// Prevent stuff like drawing 24bpp images on 16bpp displays
qp_dprintf("Image's bpp doesn't match the target display's native_bits_per_pixel\n");
return false;
} else {
// Set up the output state
struct qp_internal_byte_output_state output_state = {.device = device, .byte_write_pos = 0, .max_bytes = qp_internal_num_pixels_in_buffer(device) * driver->native_bits_per_pixel / 8};