170 lines
6.9 KiB
Python
170 lines
6.9 KiB
Python
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import os
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from art_export import ArtExporter
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from image_export import export_still_image
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from ui_dialog import UIDialog, Field
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from ui_art_dialog import ExportOptionsDialog
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from renderable import LAYER_VIS_FULL, LAYER_VIS_NONE
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FILE_EXTENSION = 'png'
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DEFAULT_SCALE = 1
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DEFAULT_CRT = False
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def get_full_filename(in_filename, frame, layer_name,
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use_frame, use_layer,
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forbidden_chars):
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"Returns properly mutated filename for given frame/layer data"
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# strip out path and extension from filename as we mutate it
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dirname = os.path.dirname(in_filename)
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base_filename = os.path.basename(in_filename)
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base_filename = os.path.splitext(base_filename)[0]
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fn = base_filename
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if use_frame:
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fn += '_%s' % (str(frame).rjust(4, '0'))
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if use_layer:
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fn += '_%s' % layer_name
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# strip unfriendly chars from output filename
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for forbidden_char in ['\\', '/', '*', ':']:
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fn = fn.replace(forbidden_char, '')
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# add path and extension for final mutated filename
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return '%s/%s.%s' % (dirname, fn, FILE_EXTENSION)
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class PNGSetExportOptionsDialog(ExportOptionsDialog):
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title = 'PNG set export options'
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tile_width = 60 # extra width for filename preview
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field0_label = 'Scale factor (%s pixels)'
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field1_label = 'CRT filter'
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field2_label = 'Export frames'
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field3_label = 'Export layers'
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field4_label = 'First filename (in set of %s):'
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field5_label = ' %s'
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fields = [
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Field(label=field0_label, type=int, width=6, oneline=False),
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Field(label=field1_label, type=bool, width=0, oneline=True),
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Field(label=field2_label, type=bool, width=0, oneline=True),
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Field(label=field3_label, type=bool, width=0, oneline=True),
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Field(label=field4_label, type=None, width=0, oneline=True),
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Field(label=field5_label, type=None, width=0, oneline=True)
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]
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# redraw dynamic labels
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always_redraw_labels = True
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invalid_scale_error = 'Scale must be greater than 0'
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def get_initial_field_text(self, field_number):
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art = self.ui.active_art
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if field_number == 0:
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return str(DEFAULT_SCALE)
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elif field_number == 1:
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return [' ', UIDialog.true_field_text][DEFAULT_CRT]
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elif field_number == 2:
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# default false if only one frame
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return [' ', UIDialog.true_field_text][art.frames > 1]
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elif field_number == 3:
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# default false if only one layer
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return [' ', UIDialog.true_field_text][art.layers > 1]
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def get_field_label(self, field_index):
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label = self.fields[field_index].label
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if field_index == 0:
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valid,_ = self.is_input_valid()
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if not valid:
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label %= '???'
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else:
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# calculate exported image size
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art = self.ui.active_art
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scale = int(self.field_texts[0])
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width = art.charset.char_width * art.width * scale
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height = art.charset.char_height * art.height * scale
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label %= '%s x %s' % (width, height)
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# show how many images exported set will be
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elif field_index == 4:
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export_frames = bool(self.field_texts[2].strip())
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export_layers = bool(self.field_texts[3].strip())
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art = self.ui.active_art
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if export_frames and export_layers:
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label %= str(art.frames * art.layers)
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elif export_frames:
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label %= str(art.frames)
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elif export_layers:
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label %= str(art.layers)
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else:
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label %= '1'
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# preview frame + layer filename mutations based on current settings
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elif field_index == 5:
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export_frames = bool(self.field_texts[2].strip())
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export_layers = bool(self.field_texts[3].strip())
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art = self.ui.active_art
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fn = get_full_filename(self.filename, 0, art.layer_names[0],
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export_frames, export_layers,
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self.ui.app.forbidden_filename_chars)
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fn = os.path.basename(fn)
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label %= fn
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return label
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def is_input_valid(self):
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# scale factor: >0 int
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try: int(self.field_texts[0])
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except: return False, self.invalid_scale_error
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if int(self.field_texts[0]) <= 0:
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return False, self.invalid_scale_error
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return True, None
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def confirm_pressed(self):
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valid, reason = self.is_input_valid()
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if not valid: return
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self.dismiss()
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# compile options for importer
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options = {
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'scale': int(self.field_texts[0]),
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'crt': bool(self.field_texts[1].strip()),
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'frames': bool(self.field_texts[2].strip()),
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'layers': bool(self.field_texts[3].strip())
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}
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ExportOptionsDialog.do_export(self.ui.app, self.filename, options)
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class PNGSetExporter(ArtExporter):
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format_name = 'PNG image set'
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format_description = """
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PNG image set for each frame and/or layer.
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"""
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file_extension = FILE_EXTENSION
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options_dialog_class = PNGSetExportOptionsDialog
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def run_export(self, out_filename, options):
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export_frames = options['frames']
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export_layers = options['layers']
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art = self.app.ui.active_art
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# remember user's active frame/layer/viz settings so we
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# can set em back when done
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start_frame = art.active_frame
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start_layer = art.active_layer
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start_onion = self.app.onion_frames_visible
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start_layer_viz = self.app.inactive_layer_visibility
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self.app.onion_frames_visible = False
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# if multi-player, only show active layer
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self.app.inactive_layer_visibility = LAYER_VIS_NONE if export_layers else LAYER_VIS_FULL
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success = True
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for frame in range(art.frames):
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# if exporting layers but not frames, only export active frame
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if not export_frames and frame != art.active_frame:
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continue
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art.set_active_frame(frame)
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for layer in range(art.layers):
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art.set_active_layer(layer)
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full_filename = get_full_filename(out_filename, frame,
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art.layer_names[layer],
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export_frames, export_layers,
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self.app.forbidden_filename_chars)
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if not export_still_image(self.app, art, full_filename,
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crt=options.get('crt', DEFAULT_CRT),
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scale=options.get('scale', DEFAULT_SCALE)):
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success = False
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# put everything back how user left it
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art.set_active_frame(start_frame)
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art.set_active_layer(start_layer)
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self.app.onion_frames_visible = start_onion
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self.app.inactive_layer_visibility = start_layer_viz
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return success
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