1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
#!/usr/bin/env python3
import gi
gi.require_version('Gimp', '3.0')
from gi.repository import Gimp
from gi.repository import GLib
from gi.repository import GObject
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
import sys
from datetime import date
plug_in_proc = 'plug-in-rgz-watermarkfu'
plug_in_binary = 'rgz-watermarkfu'
class WatermarkFu(Gimp.PlugIn):
def do_query_procedures(self):
return [ plug_in_proc ]
def do_create_procedure(self, name):
if name != plug_in_proc:
return None
procedure = Gimp.ImageProcedure.new(self,
name,
Gimp.PDBProcType.PLUGIN,
self.run,
None)
procedure.set_sensitivity_mask (Gimp.ProcedureSensitivityMask.DRAWABLE |
Gimp.ProcedureSensitivityMask.DRAWABLES)
procedure.set_menu_label('WatermarkFu...')
procedure.add_menu_path('<Image>/Filters/Render')
procedure.set_attribution('Robert Günzler', 'rgz', '2023')
procedure.set_documentation('Watermark your pictures',
'Watermark your pictures',
name)
procedure.add_string_argument('watermark', 'Watermark', None,
'My watermark',
GObject.ParamFlags.READWRITE)
procedure.add_string_argument('anotherline', 'Another line', None,
'<today>',
GObject.ParamFlags.READWRITE)
procedure.add_font_argument('font', 'Font', None, False, None, True,
GObject.ParamFlags.READWRITE)
procedure.add_double_argument('scalefactor_text', 'Scale Text', None,
0.0, 100.0, 0.2,
GObject.ParamFlags.READWRITE)
procedure.add_double_argument('scalefactor_boundary', 'Scale Boundary', None,
0.0, 100.0, 2.0,
GObject.ParamFlags.READWRITE)
procedure.add_double_argument('watermark_opacity', 'Opacity', None,
0.0, 100.0, 16.0,
GObject.ParamFlags.READWRITE)
return procedure
def run(self, procedure, run_mode, img, drawables, config, data):
if len(drawables) != 1:
error = GLib.Error.new_literal(
Gimp.PlugIn.error_quark(),
f"Procedure '{procedure.get_name()}' only works with one drawable.",
0)
return procedure.new_return_values(Gimp.PDBStatusType.CALLING_ERROR, error)
if run_mode == Gimp.RunMode.INTERACTIVE:
gi.require_version('GimpUi', '3.0')
from gi.repository import GimpUi
GimpUi.init(plug_in_binary)
dialog = GimpUi.ProcedureDialog.new(procedure, config,
'WatermarkFu')
box = dialog.fill_box('size-box', ['font-size', 'font-unit'])
box.set_orientation (Gtk.Orientation.HORIZONTAL)
dialog.fill_frame('size-frame', 'compute-size', True, 'size-box')
dialog.fill([
'watermark',
'anotherline',
'font',
'scalefactor_text',
'scalefactor_boundary',
'watermark_opacity'
])
if not dialog.run():
dialog.destroy()
return procedure.new_return_values(Gimp.PDBStatusType.CANCEL, None)
else:
dialog.destroy()
# make copy of input
img.undo_group_start()
self.watermarkfu(img, drawables[0],
watermark=config.get_property('watermark'),
anotherline=config.get_property('anotherline'),
font=config.get_property('font'),
scalefactor_text=config.get_property('scalefactor_text'),
scalefactor_boundary=config.get_property('scalefactor_boundary'),
watermark_opacity=config.get_property('watermark_opacity'))
img.undo_group_end()
# try:
# except:
# img.undo_group_end()
# return procedure.new_return_values(Gimp.PDBStatusType.EXECUTION_ERROR , None)
return procedure.new_return_values(Gimp.PDBStatusType.SUCCESS, None)
def watermarkfu(self,
img,
drawable,
watermark,
anotherline='<today>',
font=None,
scalefactor_text=0.2,
scalefactor_boundary=2.0,
watermark_opacity=16.66):
# simplify source image
img.flatten()
# expand text macro
anotherline = anotherline.replace('<today>',
date.today().strftime('%Y-%m-%d'))
# create text
txt = Gimp.TextLayer.new(image=img,
text=("\n".join([watermark, anotherline])),
font=font,
size=68,
unit=Gimp.Unit.point())
# add to image, justification doesn't work otherwise
img.insert_layer(txt, drawable.get_parent(), 0)
# justify text
txt.set_justification(Gimp.TextJustification.CENTER)
img_width = img.get_width()
img_height = img.get_height()
layer_width = txt.get_width()
layer_height = txt.get_height()
# scale down text layer, maintaining ratio
txt.scale(new_width=((float(layer_width)/layer_height)*(img_height*scalefactor_text)),
new_height=(img_height*scalefactor_text),
local_origin=True)
# crate padding around text
Gimp.Layer.resize(txt,
new_width=(layer_width*scalefactor_boundary),
new_height=(layer_height*scalefactor_boundary),
offx=(((layer_width*scalefactor_boundary)-layer_width)/2),
offy=(((layer_height*scalefactor_boundary)-layer_height)/2))
txt.set_offsets(offx=0, offy=0)
pdb = Gimp.get_pdb()
fu_tile = pdb.lookup_procedure('plug-in-tile')
fu_tile_cfg = fu_tile.create_config()
fu_tile_cfg.set_property('run-mode', Gimp.RunMode.NONINTERACTIVE)
fu_tile_cfg.set_property('image', img)
fu_tile_cfg.set_core_object_array('drawables', [txt])
fu_tile_cfg.set_property('new-width', img_width)
fu_tile_cfg.set_property('new-height', img_height)
fu_tile_cfg.set_property('new-image', False)
fu_tile.run(fu_tile_cfg)
layer = fu_tile.find_return_value('new-layer')
print('???', layer)
return
# create watermark layer
layer = Gimp.Layer.new(image=img,
name='watermark',
width=img_width,
height=img_height,
type=Gimp.ImageType.RGBA_IMAGE)
# copy txt and make it the active pattern
Gimp.Selection.all(img)
Gimp.edit_copy([txt])
Gimp.context_set_pattern(Gimp.Pattern.get_by_name('Clipboard Image'))
# do a pattern fill
layer.fill(Gimp.FillType.PATTERN)
# make transparent
layer.set_mode(Gimp.LayerMode.HARDLIGHT)
layer.set_opacity(watermark_opacity)
img.insert_layer(layer, drawable.get_parent(), 0)
# remove the txt layer
img.remove_layer(txt)
Gimp.main(WatermarkFu.__gtype__, sys.argv)
|
