def on_add(self, widget, copy=False):
"""
Add new layer to the image and a new frame to the Timeline.
if copy is true them the current layer will be copy.
"""
# starting gimp undo group
self.image.undo_group_start()
name = "Frame " + str(len(self.frames))
# create the layer to add
l = None
if not copy:
l = gimp.Layer(self.image, name, self.image.width,
self.image.height, RGBA_IMAGE, 100, NORMAL_MODE)
else: # copy current layer to add
l = self.frames[self.active].layer.copy()
l.name = name
# adding layer
self.image.add_layer(l, len(self.image.layers) - self.active - 1)
if self.new_layer_type == TRANSPARENT_FILL and not copy:
pdb.gimp_edit_clear(l)
self._scan_image_layers()
self.on_goto(None, NEXT, True)
if len(self.frames) == 1:
self._toggle_enable_buttons(NO_FRAMES)
# ending gimp undo group
self.image.undo_group_end()
def imgarray_to_layer(array, gimp_img, name):
h, w, d = array.shape
layer = gimp.Layer(gimp_img, name, w, h, image_type_map[d])
region = layer.get_pixel_rgn(0, 0, w, h)
region[:, :] = array.buffer
gimp_img.insert_layer(layer, position=0)
return layer
def showWin(width, height):
img = gimp.Image(width, height, RGB)
lyr = gimp.Layer(img, 'layer1', width, height, RGB, 100, NORMAL_MODE)
lyr.fill(BACKGROUND_FILL)
img.add_layer(lyr)
gimp.Display(img)
gimp.displays_flush()
def python_text_border(image, drawable, thickness=5, colour=(0, 0, 0)):
"""The plugin's main function."""
text_layer = image.active_layer
layer_name = text_layer.name
pdb.gimp_image_select_item(image, 2, text_layer)
pdb.gimp_selection_grow(image, thickness)
border_layer = gimp.Layer(
image, 'border', image.width, image.height, gimpfu.RGBA_IMAGE, 100,
gimpfu.NORMAL_MODE)
position = pdb.gimp_image_get_layer_position(image, text_layer)
image.add_layer(border_layer, position + 1)
old_fg = gimp.get_foreground()
gimp.set_foreground(colour)
pdb.gimp_edit_fill(border_layer, gimpfu.FOREGROUND_FILL)
gimp.set_foreground(old_fg)
layer = pdb.gimp_image_merge_down(image, text_layer, 0)
pdb.gimp_layer_set_name(layer, layer_name)
def make_captcha(sx, sy, font_height, letter_spacing, left_margin, angle_range,
fonts, answer):
"""Generate a captcha consisting of the letters in answer.
:rtype: :class:`gimp.Image`
:returns: The CAPTCHA as a gimp-python image object.
"""
img = gimp.Image(sx, sy, RGB_IMAGE)
img.disable_undo()
light_noise_layer = gimp.Layer(img, 'light noise', sx, sy, RGB_IMAGE, 100,
NORMAL_MODE)
img.add_layer(light_noise_layer, 0)
gpdb.gimp_selection_none(img)
gpdb.gimp_drawable_fill(light_noise_layer, WHITE_FILL)
# plug_in_randomize_hurl at 1% 1 time is vastly superior to
# scatter_rgb here, but has a bug where it creates an artifact at
# the top of the image when invoked in a scripting context like
# this.
#
# Future experiment: dial down the amount of noise generated by
# scatter, then run it through levels to darken it, then
# blur. This should be equivalent to hurl + blur.
#gpdb.plug_in_randomize_hurl(img, light_noise_layer, 1, 1, 0, 0)
gpdb.plug_in_scatter_hsv(img, light_noise_layer, 1, 25, 200, 180)
gpdb.plug_in_gauss_iir(img, light_noise_layer, 1, 1, 1)
gpdb.gimp_desaturate(light_noise_layer)
# Next make pure black layer which we will copy repeatedly as a
# place to cut out letters.
blackLayer = gimp.Layer(img, 'black', sx, sy, RGB_IMAGE, 100, NORMAL_MODE)
img.add_layer(blackLayer, 0)
blackLayer.add_alpha()
gpdb.gimp_layer_add_alpha(blackLayer)
gpdb.gimp_drawable_fill(blackLayer, WHITE_FILL)
gpdb.gimp_invert(blackLayer)
# Loop through each letter, making it a separate black layer.
right = left_margin
last_substrate = None
for letter in answer:
font = random.choice(FONTS)
substrate = blackLayer.copy()
img.add_layer(substrate, 0)
new_right = cookie_cutter_letter(img, substrate, right, font, letter)
# look out for really narrow letters
if new_right - right < 20:
new_right += 5
right = new_right
img.remove_layer(blackLayer)
# Hide the light noise layer, then collapse all the remaining
# layers (all letters) into a single layer.
light_noise_layer.visible = False
textLayer = gpdb.gimp_image_merge_visible_layers(img, CLIP_TO_IMAGE)
light_noise_layer.visible = True
# Create a layer of dark noise which will display the letters.
dark_noise_layer = gimp.Layer(img, 'dark noise', sx, sy, RGB_IMAGE, 100,
MULTIPLY_MODE)
img.add_layer(dark_noise_layer, 1)
gpdb.gimp_drawable_fill(dark_noise_layer, WHITE_FILL)
gpdb.plug_in_randomize_hurl(img, dark_noise_layer, 25, 1, 0, 0)
gpdb.gimp_desaturate(dark_noise_layer)
# These next operations are ordered carefully. Changing the order
# dramatically affects how the output looks.
# Here's where we do the cutout operation.
gpdb.gimp_selection_layer_alpha(textLayer)
gpdb.gimp_selection_invert(img)
gpdb.gimp_edit_clear(dark_noise_layer)
gpdb.gimp_selection_none(img)
# After the cutout, blur the dark noise layer and then darken it:
gpdb.plug_in_gauss_iir(img, dark_noise_layer, 1, 1, 1)
gpdb.gimp_levels(dark_noise_layer, HISTOGRAM_VALUE, 127, 255, 0.25, 0, 255)
textLayer.visible = False
# If you start gimp without --no-interface with an X server, this
# line will let you see the image looks like at this point in the
# script, layers and all. It should be fine to move this line to
# any problematic part of the script for debugging.
#
# gimp.Display(gpdb.gimp_image_duplicate(img))
final = img.flatten()
gpdb.gimp_image_clean_all(img)
img.enable_undo()
return img, final
def draw(dst_image, copy_and_rotate_definitions):
"""Copies regions from the input image to a wrap image."""
dst_layer = gimp.Layer(dst_image, "Wrap", dst_image_width,
dst_image_height, gimpfu.RGB_IMAGE, 100,
gimpfu.NORMAL_MODE) # type: gimp.Layer
dst_layer.fill(gimpfu.WHITE_FILL)
dst_image.add_layer(dst_layer, 0)
# Add guides
for x in dst_xs: # type: int
dst_image.add_vguide(x)
for y in dst_ys: # type: int
dst_image.add_hguide(y)
# Take the layers from the template and move and rotate them
# into position
for d in copy_and_rotate_definitions:
pdb.gimp_progress_pulse()
copy_and_rotate_rectangle(
src_image, # src_image
d[0], # src_x
d[1], # src_y
d[2], # src_width
d[3], # src_height
dst_layer, # dst_layer
d[4], # dst_x
d[5], # dst_y
d[6], # dst_corner
d[7]) # rotation_angle
# Copy strips from the sides to create the flaps on the front
# and the back
pdb.gimp_progress_pulse()
copy_and_rotate_rectangle(dst_image, dst_xs[1], dst_ys[4],
half_box_height_plus_extra, flap_size,
dst_layer, dst_xs[5], dst_ys[4],
Corner.BOTTOM_RIGHT, 90)
pdb.gimp_progress_pulse()
copy_and_rotate_rectangle(dst_image, dst_xs[1], dst_ys[6],
half_box_height_plus_extra, flap_size,
dst_layer, dst_xs[5], dst_ys[7],
Corner.TOP_RIGHT, 270)
pdb.gimp_progress_pulse()
copy_and_rotate_rectangle(dst_image, dst_xs[6], dst_ys[4],
half_box_height_plus_extra, flap_size,
dst_layer, dst_xs[6], dst_ys[4],
Corner.BOTTOM_LEFT, 270)
pdb.gimp_progress_pulse()
copy_and_rotate_rectangle(dst_image, dst_xs[6], dst_ys[6],
half_box_height_plus_extra, flap_size,
dst_layer, dst_xs[6], dst_ys[7],
Corner.TOP_LEFT, 90)
# Marks for cutting and folding
draw_mark(dst_image, (Direction.UP, Direction.LEFT), dst_xs[4],
dst_ys[1], crop_mark_size, crop_mark_distance)
draw_mark(dst_image, (Direction.UP, ), dst_xs[5], dst_ys[1],
crop_mark_size, crop_mark_distance)
draw_mark(dst_image, (Direction.UP, ), dst_xs[6], dst_ys[1],
crop_mark_size, crop_mark_distance)
draw_mark(dst_image, (Direction.UP, Direction.RIGHT), dst_xs[7],
dst_ys[1], crop_mark_size, crop_mark_distance)
draw_mark(dst_image, (Direction.UP, Direction.LEFT), dst_xs[1],
dst_ys[4], crop_mark_size, crop_mark_distance)
draw_mark(dst_image, (Direction.UP, Direction.RIGHT), dst_xs[10],
dst_ys[4], crop_mark_size, crop_mark_distance)
draw_mark(dst_image, (Direction.DOWN, Direction.LEFT), dst_xs[1],
dst_ys[7], crop_mark_size, crop_mark_distance)
draw_mark(dst_image, (Direction.DOWN, Direction.RIGHT), dst_xs[10],
dst_ys[7], crop_mark_size, crop_mark_distance)
draw_mark(dst_image, (Direction.DOWN, Direction.LEFT), dst_xs[4],
dst_ys[10], crop_mark_size, crop_mark_distance)
draw_mark(dst_image, (Direction.DOWN, ), dst_xs[5], dst_ys[10],
crop_mark_size, crop_mark_distance)
draw_mark(dst_image, (Direction.DOWN, ), dst_xs[6], dst_ys[10],
crop_mark_size, crop_mark_distance)
draw_mark(dst_image, (Direction.DOWN, Direction.RIGHT), dst_xs[7],
dst_ys[10], crop_mark_size, crop_mark_distance)
pdb.gimp_selection_none(dst_image)
def create_template(
box_width_mm, # type: float
box_height_mm, # type: float
box_depth_mm # type: float
):
# type: (...) -> None
"""Creates an empty template image given the box size."""
with DefaultContext():
box_width = mm_to_px(box_width_mm) # type: int
box_height = mm_to_px(box_height_mm) # type: int
box_depth = mm_to_px(box_depth_mm) # type: int
xs, ys = template_coordinates(box_width, box_height, box_depth)
image_width = xs[-1] - xs[0] # type: int
image_height = ys[-1] - ys[0] # type: int
# Create a template image with one transparent layer
image = gimp.Image(image_width, image_height) # type: gimp.Image
with PausedUndo(image):
layer = gimp.Layer(image, "Template", image_width, image_height,
gimpfu.RGBA_IMAGE, 100,
gimpfu.NORMAL_MODE) # type: gimp.Layer
image.add_layer(layer, 0)
# Create guides
for x in xs: # type: int
image.add_vguide(x)
for y in ys: # type: int
image.add_hguide(y)
# Fill the areas where the graphics go with white
pdb.gimp_selection_none(image)
pdb.gimp_progress_pulse()
pdb.gimp_image_select_rectangle(image, gimpfu.CHANNEL_OP_ADD,
xs[0], ys[1], image_width,
ys[3] - ys[1])
pdb.gimp_progress_pulse()
pdb.gimp_image_select_rectangle(image, gimpfu.CHANNEL_OP_ADD,
xs[1], ys[0], xs[2] - xs[1],
image_height)
pdb.gimp_edit_fill(layer, gimpfu.WHITE_FILL)
pdb.gimp_selection_none(image)
def put_text(text, left, right, top, bottom):
"""Puts some text in the center of a rectangle."""
pdb.gimp_progress_pulse()
text_size = DPI / 4 # type: int
text_layer = pdb.gimp_text_layer_new(
image, text, "sans-serif", text_size,
gimpfu.PIXELS) # type: gimp.Layer
image.add_layer(text_layer, 0)
move_drawable_to(text_layer, Corner.CENTER,
(left + right) // 2, (top + bottom) // 2)
pdb.gimp_image_merge_down(image, text_layer,
gimpfu.CLIP_TO_BOTTOM_LAYER)
put_text("TOP", xs[1], xs[2], ys[0], ys[1])
put_text("LEFT", xs[0], xs[1], ys[1], ys[3])
put_text("FRONT", xs[1], xs[2], ys[1], ys[3])
put_text("RIGHT", xs[2], xs[3], ys[1], ys[3])
put_text("BACK", xs[3], xs[4], ys[1], ys[3])
put_text("BOTTOM", xs[1], xs[2], ys[3], ys[4])
put_text(
"Box width: %dmm (%dpx)\n"
"Box height: %dmm (%dpx)\n"
"Box depth: %dmm (%dpx)" %
(box_width_mm, box_width, box_height_mm, box_height,
box_depth_mm, box_depth), xs[0], xs[1], ys[0], ys[1])
gimp.Display(image)
gimp.displays_flush()
