mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-12-13 21:30:47 +00:00
1f2b1dedcc
* Install dependencies before executing unit tests. * Split out UTF-8 decoder. * Fixup python formatting rules. * Add documentation for QGF/QFF and the RLE format used. * Add CLI commands for converting images and fonts. * Add stub rules.mk for QP. * Add stream type. * Add base driver and comms interfaces. * Add support for SPI, SPI+D/C comms drivers. * Include <qp.h> when enabled. * Add base support for SPI+D/C+RST panels, as well as concrete implementation of ST7789. * Add support for GC9A01. * Add support for ILI9341. * Add support for ILI9163. * Add support for SSD1351. * Implement qp_setpixel, including pixdata buffer management. * Implement qp_line. * Implement qp_rect. * Implement qp_circle. * Implement qp_ellipse. * Implement palette interpolation. * Allow for streams to work with either flash or RAM. * Image loading. * Font loading. * QGF palette loading. * Progressive decoder of pixel data supporting Raw+RLE, 1-,2-,4-,8-bpp monochrome and palette-based images. * Image drawing. * Animations. * Font rendering. * Check against 256 colours, dump out the loaded palette if debugging enabled. * Fix build. * AVR is not the intended audience. * `qmk format-c` * Generation fix. * First batch of docs. * More docs and examples. * Review comments. * Public API documentation.
409 lines
15 KiB
Python
409 lines
15 KiB
Python
# Copyright 2021 Nick Brassel (@tzarc)
|
|
# SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
# Quantum Graphics File "QGF" Image File Format.
|
|
# See https://docs.qmk.fm/#/quantum_painter_qgf for more information.
|
|
|
|
from colorsys import rgb_to_hsv
|
|
from types import FunctionType
|
|
from PIL import Image, ImageFile, ImageChops
|
|
from PIL._binary import o8, o16le as o16, o32le as o32
|
|
import qmk.painter
|
|
|
|
|
|
def o24(i):
|
|
return o16(i & 0xFFFF) + o8((i & 0xFF0000) >> 16)
|
|
|
|
|
|
########################################################################################################################
|
|
|
|
|
|
class QGFBlockHeader:
|
|
block_size = 5
|
|
|
|
def write(self, fp):
|
|
fp.write(b'' # start off with empty bytes...
|
|
+ o8(self.type_id) # block type id
|
|
+ o8((~self.type_id) & 0xFF) # negated block type id
|
|
+ o24(self.length) # blob length
|
|
)
|
|
|
|
|
|
########################################################################################################################
|
|
|
|
|
|
class QGFGraphicsDescriptor:
|
|
type_id = 0x00
|
|
length = 18
|
|
magic = 0x464751
|
|
|
|
def __init__(self):
|
|
self.header = QGFBlockHeader()
|
|
self.header.type_id = QGFGraphicsDescriptor.type_id
|
|
self.header.length = QGFGraphicsDescriptor.length
|
|
self.version = 1
|
|
self.total_file_size = 0
|
|
self.image_width = 0
|
|
self.image_height = 0
|
|
self.frame_count = 0
|
|
|
|
def write(self, fp):
|
|
self.header.write(fp)
|
|
fp.write(
|
|
b'' # start off with empty bytes...
|
|
+ o24(QGFGraphicsDescriptor.magic) # magic
|
|
+ o8(self.version) # version
|
|
+ o32(self.total_file_size) # file size
|
|
+ o32((~self.total_file_size) & 0xFFFFFFFF) # negated file size
|
|
+ o16(self.image_width) # width
|
|
+ o16(self.image_height) # height
|
|
+ o16(self.frame_count) # frame count
|
|
)
|
|
|
|
|
|
########################################################################################################################
|
|
|
|
|
|
class QGFFrameOffsetDescriptorV1:
|
|
type_id = 0x01
|
|
|
|
def __init__(self, frame_count):
|
|
self.header = QGFBlockHeader()
|
|
self.header.type_id = QGFFrameOffsetDescriptorV1.type_id
|
|
self.frame_offsets = [0xFFFFFFFF] * frame_count
|
|
self.frame_count = frame_count
|
|
|
|
def write(self, fp):
|
|
self.header.length = len(self.frame_offsets) * 4
|
|
self.header.write(fp)
|
|
for offset in self.frame_offsets:
|
|
fp.write(b'' # start off with empty bytes...
|
|
+ o32(offset) # offset
|
|
)
|
|
|
|
|
|
########################################################################################################################
|
|
|
|
|
|
class QGFFrameDescriptorV1:
|
|
type_id = 0x02
|
|
length = 6
|
|
|
|
def __init__(self):
|
|
self.header = QGFBlockHeader()
|
|
self.header.type_id = QGFFrameDescriptorV1.type_id
|
|
self.header.length = QGFFrameDescriptorV1.length
|
|
self.format = 0xFF
|
|
self.flags = 0
|
|
self.compression = 0xFF
|
|
self.transparency_index = 0xFF # TODO: Work out how to retrieve the transparent palette entry from the PIL gif loader
|
|
self.delay = 1000 # Placeholder until it gets read from the animation
|
|
|
|
def write(self, fp):
|
|
self.header.write(fp)
|
|
fp.write(b'' # start off with empty bytes...
|
|
+ o8(self.format) # format
|
|
+ o8(self.flags) # flags
|
|
+ o8(self.compression) # compression
|
|
+ o8(self.transparency_index) # transparency index
|
|
+ o16(self.delay) # delay
|
|
)
|
|
|
|
@property
|
|
def is_transparent(self):
|
|
return (self.flags & 0x01) == 0x01
|
|
|
|
@is_transparent.setter
|
|
def is_transparent(self, val):
|
|
if val:
|
|
self.flags |= 0x01
|
|
else:
|
|
self.flags &= ~0x01
|
|
|
|
@property
|
|
def is_delta(self):
|
|
return (self.flags & 0x02) == 0x02
|
|
|
|
@is_delta.setter
|
|
def is_delta(self, val):
|
|
if val:
|
|
self.flags |= 0x02
|
|
else:
|
|
self.flags &= ~0x02
|
|
|
|
|
|
########################################################################################################################
|
|
|
|
|
|
class QGFFramePaletteDescriptorV1:
|
|
type_id = 0x03
|
|
|
|
def __init__(self):
|
|
self.header = QGFBlockHeader()
|
|
self.header.type_id = QGFFramePaletteDescriptorV1.type_id
|
|
self.header.length = 0
|
|
self.palette_entries = [(0xFF, 0xFF, 0xFF)] * 4
|
|
|
|
def write(self, fp):
|
|
self.header.length = len(self.palette_entries) * 3
|
|
self.header.write(fp)
|
|
for entry in self.palette_entries:
|
|
fp.write(b'' # start off with empty bytes...
|
|
+ o8(entry[0]) # h
|
|
+ o8(entry[1]) # s
|
|
+ o8(entry[2]) # v
|
|
)
|
|
|
|
|
|
########################################################################################################################
|
|
|
|
|
|
class QGFFrameDeltaDescriptorV1:
|
|
type_id = 0x04
|
|
length = 8
|
|
|
|
def __init__(self):
|
|
self.header = QGFBlockHeader()
|
|
self.header.type_id = QGFFrameDeltaDescriptorV1.type_id
|
|
self.header.length = QGFFrameDeltaDescriptorV1.length
|
|
self.left = 0
|
|
self.top = 0
|
|
self.right = 0
|
|
self.bottom = 0
|
|
|
|
def write(self, fp):
|
|
self.header.write(fp)
|
|
fp.write(b'' # start off with empty bytes...
|
|
+ o16(self.left) # left
|
|
+ o16(self.top) # top
|
|
+ o16(self.right) # right
|
|
+ o16(self.bottom) # bottom
|
|
)
|
|
|
|
|
|
########################################################################################################################
|
|
|
|
|
|
class QGFFrameDataDescriptorV1:
|
|
type_id = 0x05
|
|
|
|
def __init__(self):
|
|
self.header = QGFBlockHeader()
|
|
self.header.type_id = QGFFrameDataDescriptorV1.type_id
|
|
self.data = []
|
|
|
|
def write(self, fp):
|
|
self.header.length = len(self.data)
|
|
self.header.write(fp)
|
|
fp.write(bytes(self.data))
|
|
|
|
|
|
########################################################################################################################
|
|
|
|
|
|
class QGFImageFile(ImageFile.ImageFile):
|
|
|
|
format = "QGF"
|
|
format_description = "Quantum Graphics File Format"
|
|
|
|
def _open(self):
|
|
raise NotImplementedError("Reading QGF files is not supported")
|
|
|
|
|
|
########################################################################################################################
|
|
|
|
|
|
def _accept(prefix):
|
|
"""Helper method used by PIL to work out if it can parse an input file.
|
|
|
|
Currently unimplemented.
|
|
"""
|
|
return False
|
|
|
|
|
|
def _save(im, fp, filename):
|
|
"""Helper method used by PIL to write to an output file.
|
|
"""
|
|
# Work out from the parameters if we need to do anything special
|
|
encoderinfo = im.encoderinfo.copy()
|
|
append_images = list(encoderinfo.get("append_images", []))
|
|
verbose = encoderinfo.get("verbose", False)
|
|
use_deltas = encoderinfo.get("use_deltas", True)
|
|
use_rle = encoderinfo.get("use_rle", True)
|
|
|
|
# Helper for inline verbose prints
|
|
def vprint(s):
|
|
if verbose:
|
|
print(s)
|
|
|
|
# Helper to iterate through all frames in the input image
|
|
def _for_all_frames(x: FunctionType):
|
|
frame_num = 0
|
|
last_frame = None
|
|
for frame in [im] + append_images:
|
|
# Get number of of frames in this image
|
|
nfr = getattr(frame, "n_frames", 1)
|
|
for idx in range(nfr):
|
|
frame.seek(idx)
|
|
frame.load()
|
|
copy = frame.copy().convert("RGB")
|
|
x(frame_num, copy, last_frame)
|
|
last_frame = copy
|
|
frame_num += 1
|
|
|
|
# Collect all the frame sizes
|
|
frame_sizes = []
|
|
_for_all_frames(lambda idx, frame, last_frame: frame_sizes.append(frame.size))
|
|
|
|
# Make sure all frames are the same size
|
|
if len(list(set(frame_sizes))) != 1:
|
|
raise ValueError("Mismatching sizes on frames")
|
|
|
|
# Write out the initial graphics descriptor (and write a dummy value), so that we can come back and fill in the
|
|
# correct values once we've written all the frames to the output
|
|
graphics_descriptor_location = fp.tell()
|
|
graphics_descriptor = QGFGraphicsDescriptor()
|
|
graphics_descriptor.frame_count = len(frame_sizes)
|
|
graphics_descriptor.image_width = frame_sizes[0][0]
|
|
graphics_descriptor.image_height = frame_sizes[0][1]
|
|
vprint(f'{"Graphics descriptor block":26s} {fp.tell():5d}d / {fp.tell():04X}h')
|
|
graphics_descriptor.write(fp)
|
|
|
|
# Work out the frame offset descriptor location (and write a dummy value), so that we can come back and fill in the
|
|
# correct offsets once we've written all the frames to the output
|
|
frame_offset_location = fp.tell()
|
|
frame_offsets = QGFFrameOffsetDescriptorV1(graphics_descriptor.frame_count)
|
|
vprint(f'{"Frame offsets block":26s} {fp.tell():5d}d / {fp.tell():04X}h')
|
|
frame_offsets.write(fp)
|
|
|
|
# Helper function to save each frame to the output file
|
|
def _write_frame(idx, frame, last_frame):
|
|
# If we replace the frame we're going to output with a delta, we can override it here
|
|
this_frame = frame
|
|
location = (0, 0)
|
|
size = frame.size
|
|
|
|
# Work out the format we're going to use
|
|
format = encoderinfo["qmk_format"]
|
|
|
|
# Convert the original frame so we can do comparisons
|
|
converted = qmk.painter.convert_requested_format(this_frame, format)
|
|
graphic_data = qmk.painter.convert_image_bytes(converted, format)
|
|
|
|
# Convert the raw data to RLE-encoded if requested
|
|
raw_data = graphic_data[1]
|
|
if use_rle:
|
|
rle_data = qmk.painter.compress_bytes_qmk_rle(graphic_data[1])
|
|
use_raw_this_frame = not use_rle or len(raw_data) <= len(rle_data)
|
|
image_data = raw_data if use_raw_this_frame else rle_data
|
|
|
|
# Work out if a delta frame is smaller than injecting it directly
|
|
use_delta_this_frame = False
|
|
if use_deltas and last_frame is not None:
|
|
# If we want to use deltas, then find the difference
|
|
diff = ImageChops.difference(frame, last_frame)
|
|
|
|
# Get the bounding box of those differences
|
|
bbox = diff.getbbox()
|
|
|
|
# If we have a valid bounding box...
|
|
if bbox:
|
|
# ...create the delta frame by cropping the original.
|
|
delta_frame = frame.crop(bbox)
|
|
delta_location = (bbox[0], bbox[1])
|
|
delta_size = (bbox[2] - bbox[0], bbox[3] - bbox[1])
|
|
|
|
# Convert the delta frame to the requested format
|
|
delta_converted = qmk.painter.convert_requested_format(delta_frame, format)
|
|
delta_graphic_data = qmk.painter.convert_image_bytes(delta_converted, format)
|
|
|
|
# Work out how large the delta frame is going to be with compression etc.
|
|
delta_raw_data = delta_graphic_data[1]
|
|
if use_rle:
|
|
delta_rle_data = qmk.painter.compress_bytes_qmk_rle(delta_graphic_data[1])
|
|
delta_use_raw_this_frame = not use_rle or len(delta_raw_data) <= len(delta_rle_data)
|
|
delta_image_data = delta_raw_data if delta_use_raw_this_frame else delta_rle_data
|
|
|
|
# If the size of the delta frame (plus delta descriptor) is smaller than the original, use that instead
|
|
# This ensures that if a non-delta is overall smaller in size, we use that in preference due to flash
|
|
# sizing constraints.
|
|
if (len(delta_image_data) + QGFFrameDeltaDescriptorV1.length) < len(image_data):
|
|
# Copy across all the delta equivalents so that the rest of the processing acts on those
|
|
this_frame = delta_frame
|
|
location = delta_location
|
|
size = delta_size
|
|
converted = delta_converted
|
|
graphic_data = delta_graphic_data
|
|
raw_data = delta_raw_data
|
|
rle_data = delta_rle_data
|
|
use_raw_this_frame = delta_use_raw_this_frame
|
|
image_data = delta_image_data
|
|
use_delta_this_frame = True
|
|
|
|
# Write out the frame descriptor
|
|
frame_offsets.frame_offsets[idx] = fp.tell()
|
|
vprint(f'{f"Frame {idx:3d} base":26s} {fp.tell():5d}d / {fp.tell():04X}h')
|
|
frame_descriptor = QGFFrameDescriptorV1()
|
|
frame_descriptor.is_delta = use_delta_this_frame
|
|
frame_descriptor.is_transparent = False
|
|
frame_descriptor.format = format['image_format_byte']
|
|
frame_descriptor.compression = 0x00 if use_raw_this_frame else 0x01 # See qp.h, painter_compression_t
|
|
frame_descriptor.delay = frame.info['duration'] if 'duration' in frame.info else 1000 # If we're not an animation, just pretend we're delaying for 1000ms
|
|
frame_descriptor.write(fp)
|
|
|
|
# Write out the palette if required
|
|
if format['has_palette']:
|
|
palette = graphic_data[0]
|
|
palette_descriptor = QGFFramePaletteDescriptorV1()
|
|
|
|
# Helper to convert from RGB888 to the QMK "dialect" of HSV888
|
|
def rgb888_to_qmk_hsv888(e):
|
|
hsv = rgb_to_hsv(e[0] / 255.0, e[1] / 255.0, e[2] / 255.0)
|
|
return (int(hsv[0] * 255.0), int(hsv[1] * 255.0), int(hsv[2] * 255.0))
|
|
|
|
# Convert all palette entries to HSV888 and write to the output
|
|
palette_descriptor.palette_entries = list(map(rgb888_to_qmk_hsv888, palette))
|
|
vprint(f'{f"Frame {idx:3d} palette":26s} {fp.tell():5d}d / {fp.tell():04X}h')
|
|
palette_descriptor.write(fp)
|
|
|
|
# Write out the delta info if required
|
|
if use_delta_this_frame:
|
|
# Set up the rendering location of where the delta frame should be situated
|
|
delta_descriptor = QGFFrameDeltaDescriptorV1()
|
|
delta_descriptor.left = location[0]
|
|
delta_descriptor.top = location[1]
|
|
delta_descriptor.right = location[0] + size[0]
|
|
delta_descriptor.bottom = location[1] + size[1]
|
|
|
|
# Write the delta frame to the output
|
|
vprint(f'{f"Frame {idx:3d} delta":26s} {fp.tell():5d}d / {fp.tell():04X}h')
|
|
delta_descriptor.write(fp)
|
|
|
|
# Write out the data for this frame to the output
|
|
data_descriptor = QGFFrameDataDescriptorV1()
|
|
data_descriptor.data = image_data
|
|
vprint(f'{f"Frame {idx:3d} data":26s} {fp.tell():5d}d / {fp.tell():04X}h')
|
|
data_descriptor.write(fp)
|
|
|
|
# Iterate over each if the input frames, writing it to the output in the process
|
|
_for_all_frames(_write_frame)
|
|
|
|
# Go back and update the graphics descriptor now that we can determine the final file size
|
|
graphics_descriptor.total_file_size = fp.tell()
|
|
fp.seek(graphics_descriptor_location, 0)
|
|
graphics_descriptor.write(fp)
|
|
|
|
# Go back and update the frame offsets now that they're written to the file
|
|
fp.seek(frame_offset_location, 0)
|
|
frame_offsets.write(fp)
|
|
|
|
|
|
########################################################################################################################
|
|
|
|
# Register with PIL so that it knows about the QGF format
|
|
Image.register_open(QGFImageFile.format, QGFImageFile, _accept)
|
|
Image.register_save(QGFImageFile.format, _save)
|
|
Image.register_save_all(QGFImageFile.format, _save)
|
|
Image.register_extension(QGFImageFile.format, f".{QGFImageFile.format.lower()}")
|
|
Image.register_mime(QGFImageFile.format, f"image/{QGFImageFile.format.lower()}")
|