RAW loading and processing widget added

This commit is contained in:
2025-08-02 15:59:16 +02:00
parent c6606931de
commit 38593fc2c5
5 changed files with 281 additions and 31 deletions

View File

@ -25,6 +25,9 @@ class OpenImageWidget(PipelineStageWidget):
height=300,
width=400,
):
dpg.add_file_extension(
"Image files {.png,.jpg,.jpeg,.bmp .gif,.tif,.tiff}",
)
dpg.add_file_extension(".*")
dpg.add_button(label="Open File...", callback=self._on_open_file)
@ -33,7 +36,8 @@ class OpenImageWidget(PipelineStageWidget):
def _on_file_selected(self, sender, app_data):
selection = (
f"{app_data['current_path']}/{list(app_data['selections'].keys())[0]}"
f"{app_data['current_path']
}/{list(app_data['selections'].keys())[0]}"
if isinstance(app_data, dict)
else None
)
@ -42,7 +46,8 @@ class OpenImageWidget(PipelineStageWidget):
self.logger.info(f"Selected file '{selection}'")
try:
img = Image.open(selection).convert("RGBA")
arr = np.asarray(img).astype(np.float32) / 255.0 # normalize to [0,1]
arr = np.asarray(img).astype(np.float32) / \
255.0 # normalize to [0,1]
# Publish into pipeline
self.manager.pipeline.publish(self.pipeline_stage_out_id, arr)
except Exception as e:

View File

@ -0,0 +1,205 @@
import dearpygui.dearpygui as dpg
import rawpy
import numpy as np
from .pipeline_stage_widget import PipelineStageWidget
class OpenRawWidget(PipelineStageWidget):
name = "Open RAW File"
register = True
has_pipeline_in = False
has_pipeline_out = True
def __init__(self, manager, logger):
super().__init__(manager, logger, default_stage_out="opened_raw")
self.dialog_tag = dpg.generate_uuid()
self.output_tag = dpg.generate_uuid()
self.config_group = dpg.generate_uuid()
self.busy_group = dpg.generate_uuid()
self.raw_path = None
self.config = {
# Demosaic algorithm
"demosaic_algorithm": rawpy.DemosaicAlgorithm.AHD,
# Output color space
"output_color": rawpy.ColorSpace.sRGB,
# Bits per sample
"output_bps": 16,
# White balance
"use_camera_wb": True,
"use_auto_wb": False,
"user_wb": (1.0, 1.0, 1.0, 1.0),
# Brightness/exposure
"bright": 1.0,
"no_auto_bright": False,
# Gamma correction (youll pass (1.0, config["gamma"]) down)
"gamma": 1.0,
# Size & quality toggles
"half_size": False,
"four_color_rgb": False,
}
def create_pipeline_stage_content(self):
with dpg.file_dialog(
directory_selector=False,
show=False,
callback=self._on_file_selected,
tag=self.dialog_tag,
height=300,
width=400,
):
dpg.add_file_extension(
"RAW files {.nef,.cr2}",
)
dpg.add_file_extension(".*")
with dpg.group(tag=self.config_group):
with dpg.group(horizontal=True):
dpg.add_button(label="Open File...",
callback=self._on_open_file)
dpg.add_button(label="Reprocess",
callback=self._process_and_publish)
dpg.add_combo(
label="Demosaic",
items=[alg.name for alg in rawpy.DemosaicAlgorithm],
default_value=rawpy.DemosaicAlgorithm.AHD.name,
callback=lambda s, a, u: self.config.__setitem__(
"demosaic_algorithm", rawpy.DemosaicAlgorithm[a])
)
dpg.add_combo(
label="Color Space",
items=[cs.name for cs in rawpy.ColorSpace],
default_value=rawpy.ColorSpace.sRGB.name,
callback=lambda s, a, u: self.config.__setitem__(
"output_color", rawpy.ColorSpace[a])
)
dpg.add_combo(
label="Output Bits",
items=["8", "16"],
default_value="16",
callback=lambda s, a, u: self.config.__setitem__(
"output_bps", int(a))
)
dpg.add_checkbox(
label="Use Camera WB",
default_value=True,
callback=lambda s, a, u: self.config.__setitem__(
"use_camera_wb", a)
)
dpg.add_checkbox(
label="Auto WB",
default_value=False,
callback=lambda s, a, u: self.config.__setitem__(
"use_auto_wb", a)
)
dpg.add_slider_float(
label="Manual WB R Gain",
default_value=1.0, min_value=0.1, max_value=4.0,
callback=lambda s, a, u: self.config.__setitem__(
"user_wb", (a, self.config["user_wb"][1], self.config["user_wb"][2], self.config["user_wb"][3]))
)
dpg.add_slider_float(
label="Manual WB G Gain",
default_value=1.0, min_value=0.1, max_value=4.0,
callback=lambda s, a, u: self.config.__setitem__(
"user_wb", (self.config["user_wb"][0], a, a, self.config["user_wb"][3]))
)
dpg.add_slider_float(
label="Manual WB B Gain",
default_value=1.0, min_value=0.1, max_value=4.0,
callback=lambda s, a, u: self.config.__setitem__(
"user_wb", (self.config["user_wb"][0], self.config["user_wb"][1], self.config["user_wb"][2], a))
)
dpg.add_slider_float(
label="Bright",
default_value=1.0, min_value=0.1, max_value=4.0,
callback=lambda s, a, u: self.config.__setitem__("bright", a)
)
dpg.add_checkbox(
label="No Auto Bright",
default_value=False,
callback=lambda s, a, u: self.config.__setitem__(
"no_auto_bright", a)
)
dpg.add_slider_float(
label="Gamma",
default_value=1.0, min_value=0.1, max_value=3.0,
callback=lambda s, a, u: self.config.__setitem__("gamma", a)
)
dpg.add_checkbox(
label="Half-size",
default_value=False,
callback=lambda s, a, u: self.config.__setitem__(
"half_size", a)
)
dpg.add_checkbox(
label="4-color RGB",
default_value=False,
callback=lambda s, a, u: self.config.__setitem__(
"four_color_rgb", a)
)
with dpg.group(tag=self.busy_group):
dpg.add_text("Processing...")
def _on_open_file(self):
dpg.configure_item(self.dialog_tag, show=True)
def _on_file_selected(self, sender, app_data):
selection = (
f"{app_data['current_path']
}/{list(app_data['selections'].keys())[0]}"
if isinstance(app_data, dict)
else None
)
if not selection:
return
self.raw_path = selection
self.logger.info(f"Selected file '{selection}'")
self._process_and_publish()
def _process_and_publish(self):
if self.raw_path is None:
return
self.logger.info("Processing RAW image")
dpg.configure_item(self.config_group, show=False)
dpg.configure_item(self.busy_group, show=True)
with rawpy.imread(self.raw_path) as raw:
# Prepare postprocess kwargs from config
postprocess_args = {
'demosaic_algorithm': self.config["demosaic_algorithm"],
'output_color': self.config["output_color"],
'output_bps': self.config["output_bps"],
'bright': self.config["bright"],
'no_auto_bright': self.config["no_auto_bright"],
'gamma': (1.0, self.config["gamma"]),
'half_size': self.config["half_size"],
'four_color_rgb': self.config["four_color_rgb"],
}
if self.config["use_camera_wb"]:
postprocess_args['use_camera_wb'] = True
elif self.config["use_auto_wb"]:
postprocess_args['use_auto_wb'] = True
else:
postprocess_args['user_wb'] = self.config["user_wb"]
# Postprocess into RGB
rgb = raw.postprocess(**postprocess_args)
# Normalize to float32 in 0.0-1.0 range depending on output_bps
max_val = (2 ** self.config["output_bps"]) - 1
rgb_float = rgb.astype(np.float32) / max_val
# Add alpha channel (fully opaque)
h, w, _ = rgb_float.shape
alpha = np.ones((h, w, 1), dtype=np.float32)
rgba = np.concatenate([rgb_float, alpha], axis=2)
self.manager.pipeline.publish(self.pipeline_stage_out_id, rgba)
dpg.configure_item(self.config_group, show=True)
dpg.configure_item(self.busy_group, show=False)

View File

@ -28,6 +28,8 @@ class PipelineStageViewer(PipelineStageWidget):
def on_pipeline_data(self, img):
# Resize if needed
if img is None:
return
h, w, _ = img.shape
max_dim = 500
scale = min(1.0, max_dim / w, max_dim / h)
@ -66,7 +68,7 @@ class PipelineStageViewer(PipelineStageWidget):
avail_w = win_w
avail_h = win_h
scale = min(avail_w / w, avail_h / h) #, 1.0)
scale = min(avail_w / w, avail_h / h) # , 1.0)
disp_w = int(w * scale)
disp_h = int(h * scale)

View File

@ -51,9 +51,9 @@ DockId=0x00000008,0
[Window][###23]
Pos=0,19
Size=250,459
Size=305,85
Collapsed=0
DockId=0x00000017,0
DockId=0x00000021,0
[Window][###32]
Pos=0,376
@ -108,30 +108,64 @@ Pos=237,120
Size=300,200
Collapsed=0
[Docking][Data]
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View File

@ -10,5 +10,9 @@
{
"widget_type": "PipelineStageViewer",
"config": {}
},
{
"widget_type": "OpenRawWidget",
"config": {}
}
]