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[QP] Native palette support for fonts (#20645)

Co-authored-by: Joel Challis <git@zvecr.com>
This commit is contained in:
Pablo Martínez 2024-02-16 14:58:00 +01:00 committed by GitHub
parent cf162f90fe
commit 3a0f11a661
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GPG key ID: B5690EEEBB952194
4 changed files with 49 additions and 36 deletions

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@ -263,33 +263,8 @@ static bool qp_drawimage_recolor_impl(painter_device_t device, uint16_t x, uint1
return false;
}
bool ret = false;
if (!frame_info->is_panel_native) {
// Set up the output state
qp_internal_pixel_output_state_t output_state = {.device = device, .pixel_write_pos = 0, .max_pixels = qp_internal_num_pixels_in_buffer(device)};
// Decode the pixel data and stream to the display
ret = qp_internal_decode_palette(device, pixel_count, frame_info->bpp, input_callback, &input_state, qp_internal_global_pixel_lookup_table, qp_internal_pixel_appender, &output_state);
// Any leftovers need transmission as well.
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
qp_internal_byte_output_state_t output_state = {.device = device, .byte_write_pos = 0, .max_bytes = qp_internal_num_pixels_in_buffer(device) * driver->native_bits_per_pixel / 8};
// Stream the raw pixel data to the display
uint32_t byte_count = pixel_count * frame_info->bpp / 8;
ret = qp_internal_send_bytes(device, byte_count, input_callback, &input_state, qp_internal_byte_appender, &output_state);
// Any leftovers need transmission as well.
if (ret && output_state.byte_write_pos > 0) {
ret &= driver->driver_vtable->pixdata(device, qp_internal_global_pixdata_buffer, output_state.byte_write_pos * 8 / driver->native_bits_per_pixel);
}
}
// Decode and stream pixels
bool ret = qp_internal_appender(device, frame_info->bpp, pixel_count, input_callback, &input_state);
qp_dprintf("qp_drawimage_recolor: %s\n", ret ? "ok" : "fail");
qp_comms_stop(device);