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Pixelorama/Scripts/Global.gd

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GDScript3
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extends Node
enum Pressure_Sensitivity {NONE, ALPHA, SIZE, ALPHA_AND_SIZE}
enum Brush_Types {PIXEL, CIRCLE, FILLED_CIRCLE, FILE, RANDOM_FILE, CUSTOM}
var root_directory := "."
var window_title := "" setget title_changed # Why doesn't Godot have get_window_title()?
var config_cache := ConfigFile.new()
# warning-ignore:unused_class_variable
var loaded_locales : Array
var undo_redo : UndoRedo
var undos := 0 # The number of times we added undo properties
var saved := true # Checks if the user has saved
# Canvas related stuff
var layers := [] setget layers_changed
var current_frame := 0 setget frame_changed
var current_layer := 0 setget layer_changed
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# warning-ignore:unused_class_variable
var can_draw := false
# warning-ignore:unused_class_variable
var has_focus := false
var canvases := []
# warning-ignore:unused_class_variable
var hidden_canvases := []
var pressure_sensitivity_mode = Pressure_Sensitivity.NONE
var smooth_zoom := true
var cursor_image = preload("res://Assets/Graphics/Cursor.png")
var left_cursor_tool_texture : ImageTexture
var right_cursor_tool_texture : ImageTexture
var transparent_background : ImageTexture
# warning-ignore:unused_class_variable
var selected_pixels := []
var image_clipboard : Image
# warning-ignore:unused_class_variable
var theme_type := "Dark"
# warning-ignore:unused_class_variable
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var is_default_image := true
# warning-ignore:unused_class_variable
var default_image_width := 64
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# warning-ignore:unused_class_variable
var default_image_height := 64
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# warning-ignore:unused_class_variable
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var default_fill_color := Color(0, 0, 0, 0)
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# warning-ignore:unused_class_variable
var grid_width := 1
# warning-ignore:unused_class_variable
var grid_height := 1
# warning-ignore:unused_class_variable
var grid_color := Color.black
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# warning-ignore:unused_class_variable
var guide_color := Color.purple
# Tools & options
# warning-ignore:unused_class_variable
var current_left_tool := "Pencil"
# warning-ignore:unused_class_variable
var current_right_tool := "Eraser"
# warning-ignore:unused_class_variable
var show_left_tool_icon := true
# warning-ignore:unused_class_variable
var show_right_tool_icon := true
# warning-ignore:unused_class_variable
var left_square_indicator_visible := true
# warning-ignore:unused_class_variable
var right_square_indicator_visible := false
#0 for area of same color, 1 for all pixels of the same color
# warning-ignore:unused_class_variable
var left_fill_area := 0
# warning-ignore:unused_class_variable
var right_fill_area := 0
# 0 for lighten, 1 for darken
# warning-ignore:unused_class_variable
var left_ld := 0
# warning-ignore:unused_class_variable
var right_ld := 0
# warning-ignore:unused_class_variable
var left_ld_amount := 0.1
# warning-ignore:unused_class_variable
var right_ld_amount := 0.1
# 0 for the left, 1 for the right
# warning-ignore:unused_class_variable
var left_color_picker_for := 0
# warning-ignore:unused_class_variable
var right_color_picker_for := 1
# warning-ignore:unused_class_variable
var left_horizontal_mirror := false
# warning-ignore:unused_class_variable
var left_vertical_mirror := false
# warning-ignore:unused_class_variable
var right_horizontal_mirror := false
# warning-ignore:unused_class_variable
var right_vertical_mirror := false
# View menu options
# warning-ignore:unused_class_variable
var tile_mode := false
# warning-ignore:unused_class_variable
var draw_grid := false
# warning-ignore:unused_class_variable
var show_rulers := true
# warning-ignore:unused_class_variable
var show_guides := true
# warning-ignore:unused_class_variable
var show_animation_timeline := true
# Onion skinning options
# warning-ignore:unused_class_variable
var onion_skinning_past_rate := 0
# warning-ignore:unused_class_variable
var onion_skinning_future_rate := 0
# warning-ignore:unused_class_variable
var onion_skinning_blue_red := false
# Brushes
# warning-ignore:unused_class_variable
var left_brush_size := 1
# warning-ignore:unused_class_variable
var right_brush_size := 1
# warning-ignore:unused_class_variable
var current_left_brush_type = Brush_Types.PIXEL
# warning-ignore:unused_class_variable
var current_right_brush_type = Brush_Types.PIXEL
# warning-ignore:unused_class_variable
var brush_type_window_position := "left"
var left_circle_points := []
var right_circle_points := []
var brushes_from_files := 0
# warning-ignore:unused_class_variable
var custom_brushes := []
# warning-ignore:unused_class_variable
var custom_left_brush_index := -1
# warning-ignore:unused_class_variable
var custom_right_brush_index := -1
# warning-ignore:unused_class_variable
var custom_left_brush_image : Image
# warning-ignore:unused_class_variable
var custom_right_brush_image : Image
# warning-ignore:unused_class_variable
var custom_left_brush_texture := ImageTexture.new()
# warning-ignore:unused_class_variable
var custom_right_brush_texture := ImageTexture.new()
# Palettes
# warning-ignore:unused_class_variable
var palettes := {}
# Nodes
var control : Node
var top_menu_container : Panel
var left_cursor : Sprite
var right_cursor : Sprite
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var canvas : Canvas
var canvas_parent : Node
var main_viewport : ViewportContainer
var second_viewport : ViewportContainer
var camera : Camera2D
var camera2 : Camera2D
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var camera_preview : Camera2D
var selection_rectangle : Polygon2D
var horizontal_ruler : BaseButton
var vertical_ruler : BaseButton
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var file_menu : MenuButton
var edit_menu : MenuButton
var view_menu : MenuButton
var image_menu : MenuButton
var help_menu : MenuButton
var cursor_position_label : Label
var zoom_level_label : Label
var import_sprites_dialog : FileDialog
var left_color_picker : ColorPickerButton
var right_color_picker : ColorPickerButton
var left_tool_options_container : Container
var right_tool_options_container : Container
var left_brush_type_container : Container
var right_brush_type_container : Container
var left_brush_type_button : BaseButton
var right_brush_type_button : BaseButton
var left_brush_type_label : Label
var right_brush_type_label : Label
var brushes_popup : Popup
var file_brush_container : GridContainer
var project_brush_container : GridContainer
var left_brush_size_container : Container
var right_brush_size_container : Container
var left_brush_size_edit : SpinBox
var left_brush_size_slider : HSlider
var right_brush_size_edit : SpinBox
var right_brush_size_slider : HSlider
var left_color_interpolation_container : Container
var right_color_interpolation_container : Container
var left_interpolate_spinbox : SpinBox
var left_interpolate_slider : HSlider
var right_interpolate_spinbox : SpinBox
var right_interpolate_slider : HSlider
var left_fill_area_container : Container
var right_fill_area_container : Container
var left_ld_container : Container
var left_ld_amount_slider : HSlider
var left_ld_amount_spinbox : SpinBox
var right_ld_container : Container
var right_ld_amount_slider : HSlider
var right_ld_amount_spinbox : SpinBox
var left_colorpicker_container : Container
var right_colorpicker_container : Container
var left_mirror_container : Container
var right_mirror_container : Container
var animation_timeline : Panel
var animation_timer : Timer
var frame_ids : HBoxContainer
var current_frame_label : Label
var loop_animation_button : BaseButton
var play_forward : BaseButton
var play_backwards : BaseButton
var timeline_seconds : Control
var layers_container : VBoxContainer
var frames_container : VBoxContainer
var remove_layer_button : BaseButton
var move_up_layer_button : BaseButton
var move_down_layer_button : BaseButton
var merge_down_layer_button : BaseButton
var layer_opacity_slider : HSlider
var layer_opacity_spinbox : SpinBox
var add_palette_button : TextureButton
var edit_palette_button : BaseButton
var palette_option_button : OptionButton
var palette_container : GridContainer
var edit_palette_popup : WindowDialog
var new_palette_dialog : ConfirmationDialog
var new_palette_name_line_edit : LineEdit
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var palette_import_file_dialog : FileDialog
var error_dialog : AcceptDialog
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func _ready() -> void:
randomize()
if OS.has_feature("standalone"):
root_directory = OS.get_executable_path().get_base_dir()
# Load settings from the config file
config_cache.load("user://cache.ini")
undo_redo = UndoRedo.new()
transparent_background = ImageTexture.new()
transparent_background.create_from_image(preload("res://Assets/Graphics/Canvas Backgrounds/Transparent Background Dark.png"), 0)
image_clipboard = Image.new()
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var root = get_tree().get_root()
control = find_node_by_name(root, "Control")
top_menu_container = find_node_by_name(control, "TopMenuContainer")
left_cursor = find_node_by_name(root, "LeftCursor")
right_cursor = find_node_by_name(root, "RightCursor")
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canvas = find_node_by_name(root, "Canvas")
canvases.append(canvas)
left_cursor_tool_texture = ImageTexture.new()
left_cursor_tool_texture.create_from_image(preload("res://Assets/Graphics/Tool Cursors/Pencil_Cursor.png"))
right_cursor_tool_texture = ImageTexture.new()
right_cursor_tool_texture.create_from_image(preload("res://Assets/Graphics/Tool Cursors/Eraser_Cursor.png"))
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canvas_parent = canvas.get_parent()
main_viewport = find_node_by_name(root, "ViewportContainer")
second_viewport = find_node_by_name(root, "ViewportContainer2")
camera = find_node_by_name(canvas_parent, "Camera2D")
camera2 = find_node_by_name(root, "Camera2D2")
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camera_preview = find_node_by_name(root, "CameraPreview")
selection_rectangle = find_node_by_name(root, "SelectionRectangle")
horizontal_ruler = find_node_by_name(root, "HorizontalRuler")
vertical_ruler = find_node_by_name(root, "VerticalRuler")
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file_menu = find_node_by_name(root, "FileMenu")
edit_menu = find_node_by_name(root, "EditMenu")
view_menu = find_node_by_name(root, "ViewMenu")
image_menu = find_node_by_name(root, "ImageMenu")
help_menu = find_node_by_name(root, "HelpMenu")
cursor_position_label = find_node_by_name(root, "CursorPosition")
zoom_level_label = find_node_by_name(root, "ZoomLevel")
import_sprites_dialog = find_node_by_name(root, "ImportSprites")
left_tool_options_container = find_node_by_name(root, "LeftToolOptions")
right_tool_options_container = find_node_by_name(root, "RightToolOptions")
left_color_picker = find_node_by_name(root, "LeftColorPickerButton")
right_color_picker = find_node_by_name(root, "RightColorPickerButton")
left_brush_type_container = find_node_by_name(left_tool_options_container, "LeftBrushType")
right_brush_type_container = find_node_by_name(right_tool_options_container, "RightBrushType")
left_brush_type_button = find_node_by_name(left_brush_type_container, "LeftBrushTypeButton")
right_brush_type_button = find_node_by_name(right_brush_type_container, "RightBrushTypeButton")
left_brush_type_label = find_node_by_name(left_brush_type_container, "LeftBrushTypeLabel")
right_brush_type_label = find_node_by_name(right_brush_type_container, "RightBrushTypeLabel")
brushes_popup = find_node_by_name(root, "BrushesPopup")
file_brush_container = find_node_by_name(brushes_popup, "FileBrushContainer")
project_brush_container = find_node_by_name(brushes_popup, "ProjectBrushContainer")
left_brush_size_container = find_node_by_name(left_tool_options_container, "LeftBrushSize")
right_brush_size_container = find_node_by_name(right_tool_options_container, "RightBrushSize")
left_brush_size_edit = find_node_by_name(left_brush_size_container, "LeftBrushSizeEdit")
left_brush_size_slider = find_node_by_name(left_brush_size_container, "LeftBrushSizeSlider")
right_brush_size_edit = find_node_by_name(right_brush_size_container, "RightBrushSizeEdit")
right_brush_size_slider = find_node_by_name(right_brush_size_container, "RightBrushSizeSlider")
left_color_interpolation_container = find_node_by_name(left_tool_options_container, "LeftColorInterpolation")
right_color_interpolation_container = find_node_by_name(right_tool_options_container, "RightColorInterpolation")
left_interpolate_spinbox = find_node_by_name(left_color_interpolation_container, "LeftInterpolateFactor")
left_interpolate_slider = find_node_by_name(left_color_interpolation_container, "LeftInterpolateSlider")
right_interpolate_spinbox = find_node_by_name(right_color_interpolation_container, "RightInterpolateFactor")
right_interpolate_slider = find_node_by_name(right_color_interpolation_container, "RightInterpolateSlider")
left_fill_area_container = find_node_by_name(left_tool_options_container, "LeftFillArea")
right_fill_area_container = find_node_by_name(right_tool_options_container, "RightFillArea")
left_ld_container = find_node_by_name(left_tool_options_container, "LeftLDOptions")
left_ld_amount_slider = find_node_by_name(left_ld_container, "LeftLDAmountSlider")
left_ld_amount_spinbox = find_node_by_name(left_ld_container, "LeftLDAmountSpinbox")
right_ld_container = find_node_by_name(right_tool_options_container, "RightLDOptions")
right_ld_amount_slider = find_node_by_name(right_ld_container, "RightLDAmountSlider")
right_ld_amount_spinbox = find_node_by_name(right_ld_container, "RightLDAmountSpinbox")
left_colorpicker_container = find_node_by_name(left_tool_options_container, "LeftColorPickerOptions")
right_colorpicker_container = find_node_by_name(right_tool_options_container, "RightColorPickerOptions")
left_mirror_container = find_node_by_name(left_tool_options_container, "LeftMirroring")
right_mirror_container = find_node_by_name(right_tool_options_container, "RightMirroring")
animation_timeline = find_node_by_name(root, "AnimationTimeline")
layers_container = find_node_by_name(animation_timeline, "LayersContainer")
frames_container = find_node_by_name(animation_timeline, "FramesContainer")
animation_timer = find_node_by_name(animation_timeline, "AnimationTimer")
frame_ids = find_node_by_name(animation_timeline, "FrameIDs")
current_frame_label = find_node_by_name(animation_timeline, "CurrentFrame")
loop_animation_button = find_node_by_name(animation_timeline, "LoopAnim")
play_forward = find_node_by_name(animation_timeline, "PlayForward")
play_backwards = find_node_by_name(animation_timeline, "PlayBackwards")
#var layer_stuff_container = find_node_by_name(animation_timeline, "LayerVBoxContainer")
remove_layer_button = find_node_by_name(animation_timeline, "RemoveLayer")
move_up_layer_button = find_node_by_name(animation_timeline, "MoveUpLayer")
move_down_layer_button = find_node_by_name(animation_timeline, "MovwDownLayer")
merge_down_layer_button = find_node_by_name(animation_timeline, "MergeDownLayer")
layer_opacity_slider = find_node_by_name(animation_timeline, "OpacitySlider")
layer_opacity_spinbox = find_node_by_name(animation_timeline, "OpacitySpinBox")
add_palette_button = find_node_by_name(root, "AddPalette")
edit_palette_button = find_node_by_name(root, "EditPalette")
palette_option_button = find_node_by_name(root, "PaletteOptionButton")
palette_container = find_node_by_name(root, "PaletteContainer")
edit_palette_popup = find_node_by_name(root, "EditPalettePopup")
new_palette_dialog = find_node_by_name(root, "NewPaletteDialog")
new_palette_name_line_edit = find_node_by_name(new_palette_dialog, "NewPaletteNameLineEdit")
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palette_import_file_dialog = find_node_by_name(root, "PaletteImportFileDialog")
error_dialog = find_node_by_name(root, "ErrorDialog")
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# Store [Layer name, Layer visibility boolean, Frame container]
layers.append([tr("Layer") + " 0", true, HBoxContainer.new()])
frames_container.add_child(layers[0][2])
# Thanks to https://godotengine.org/qa/17524/how-to-find-an-instanced-scene-by-its-name
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func find_node_by_name(root, node_name) -> Node:
if root.get_name() == node_name:
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return root
for child in root.get_children():
if child.get_name() == node_name:
return child
var found = find_node_by_name(child, node_name)
if found:
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return found
return null
func notification_label(text : String) -> void:
var notification : Label = load("res://Prefabs/NotificationLabel.tscn").instance()
notification.text = tr(text)
notification.rect_position = Vector2(240, OS.window_size.y - 150)
notification.theme = control.theme
get_tree().get_root().add_child(notification)
func undo(_canvases : Array, layer_index : int = -1) -> void:
undos -= 1
var action_name := undo_redo.get_current_action_name()
if action_name == "Draw" || action_name == "Rectangle Select" || action_name == "Scale" || action_name == "Merge Layer":
for c in _canvases:
if layer_index > -1:
c.update_texture(layer_index)
else:
for i in c.layers.size():
c.update_texture(i)
if action_name == "Scale":
c.camera_zoom()
if action_name == "Add Frame":
canvas_parent.remove_child(_canvases[0])
frames_container.remove_child(_canvases[0].frame_button)
# This actually means that canvases.size is one, but it hasn't been updated yet
if canvases.size() == 2: # Stop animating
play_forward.pressed = false
play_backwards.pressed = false
animation_timer.stop()
elif action_name == "Remove Frame":
canvas_parent.add_child(_canvases[0])
canvas_parent.move_child(_canvases[0], _canvases[0].frame)
frames_container.add_child(_canvases[0].frame_button)
frames_container.move_child(_canvases[0].frame_button, _canvases[0].frame)
elif action_name == "Change Frame Order":
frames_container.move_child(_canvases[0].frame_button, _canvases[0].frame)
canvas_parent.move_child(_canvases[0], _canvases[0].frame)
canvas.update()
if saved:
saved = false
self.window_title = window_title + "(*)"
notification_label("Undo: %s" % action_name)
func redo(_canvases : Array, layer_index : int = -1) -> void:
if undos < undo_redo.get_version(): # If we did undo and then redo
undos = undo_redo.get_version()
var action_name := undo_redo.get_current_action_name()
if action_name == "Draw" || action_name == "Rectangle Select" || action_name == "Scale" || action_name == "Merge Layer":
for c in _canvases:
if layer_index > -1:
c.update_texture(layer_index)
else:
for i in c.layers.size():
c.update_texture(i)
if action_name == "Scale":
c.camera_zoom()
if action_name == "Add Frame":
canvas_parent.add_child(_canvases[0])
var label := Label.new()
label.rect_min_size.x = 36
label.align = Label.ALIGN_CENTER
label.text = str(canvases.size() + 1)
frame_ids.add_child(label)
#if !frames_container.is_a_parent_of(_canvases[0].frame_button):
# frames_container.add_child(_canvases[0].frame_button)
elif action_name == "Remove Frame":
canvas_parent.remove_child(_canvases[0])
frames_container.remove_child(_canvases[0].frame_button)
if canvases.size() == 1: # Stop animating
play_forward.pressed = false
play_backwards.pressed = false
animation_timer.stop()
elif action_name == "Change Frame Order":
frames_container.move_child(_canvases[0].frame_button, _canvases[0].frame)
canvas_parent.move_child(_canvases[0], _canvases[0].frame)
canvas.update()
if saved:
saved = false
self.window_title = window_title + "(*)"
if control.redone:
notification_label("Redo: %s" % action_name)
func title_changed(value : String) -> void:
window_title = value
OS.set_window_title(value)
func layers_changed(value : Array) -> void:
layers = value
print(layers)
print(str(layers_container.get_child_count()) + " " + str(frames_container.get_child_count()))
for container in layers_container.get_children():
container.queue_free()
for container in frames_container.get_children():
for button in container.get_children():
button.queue_free()
frames_container.remove_child(container)
for i in range(layers.size() - 1, -1, -1):
var layer_container = load("res://Prefabs/LayerContainer.tscn").instance()
layer_container.i = i
if !layers[i][0]:
layers[i][0] = tr("Layer") + " %s" % i
layer_container.get_child(0).get_child(1).text = layers[i][0]
layer_container.get_child(0).get_child(2).text = layers[i][0]
layers_container.add_child(layer_container)
frames_container.add_child(layers[i][2])
for j in range(canvases.size()):
var frame_button = load("res://Prefabs/FrameButton.tscn").instance()
frame_button.frame = j
frame_button.layer = i
frame_button.pressed = true
frame_button.get_child(0).texture = Global.canvases[j].layers[i][1]
layers[i][2].add_child(frame_button)
if layers.size() == 1:
remove_layer_button.disabled = true
remove_layer_button.mouse_default_cursor_shape = Control.CURSOR_FORBIDDEN
move_up_layer_button.disabled = true
move_up_layer_button.mouse_default_cursor_shape = Control.CURSOR_FORBIDDEN
move_down_layer_button.disabled = true
move_down_layer_button.mouse_default_cursor_shape = Control.CURSOR_FORBIDDEN
merge_down_layer_button.disabled = true
merge_down_layer_button.mouse_default_cursor_shape = Control.CURSOR_FORBIDDEN
else:
remove_layer_button.disabled = false
remove_layer_button.mouse_default_cursor_shape = Control.CURSOR_POINTING_HAND
func frame_changed(value : int) -> void:
current_frame = value
current_frame_label.text = tr("Current frame:") + " %s/%s" % [str(current_frame + 1), canvases.size()]
for c in canvases:
c.visible = false
c.is_making_line = false
c.line_2d.set_point_position(1, c.line_2d.points[0])
canvas = canvases[current_frame]
canvas.visible = true
#canvas.generate_layer_panels()
# Make all frame buttons unpressed
for c in canvases:
var text_color := Color.white
if theme_type == "Gold" || theme_type == "Light":
text_color = Color.black
#c.frame_button.pressed = false
#c.frame_button.get_node("FrameID").add_color_override("font_color", text_color)
# Make only the current frame button pressed
#canvas.frame_button.pressed = true
#canvas.frame_button.get_node("FrameID").add_color_override("font_color", Color("#3c5d75"))
func layer_changed(value : int) -> void:
current_layer = value
layer_opacity_slider.value = canvas.layers[current_layer][2] * 100
layer_opacity_spinbox.value = canvas.layers[current_layer][2] * 100
if current_layer < layers.size() - 1:
move_up_layer_button.disabled = false
move_up_layer_button.mouse_default_cursor_shape = Control.CURSOR_POINTING_HAND
else:
move_up_layer_button.disabled = true
move_up_layer_button.mouse_default_cursor_shape = Control.CURSOR_FORBIDDEN
if current_layer > 0:
move_down_layer_button.disabled = false
move_down_layer_button.mouse_default_cursor_shape = Control.CURSOR_POINTING_HAND
merge_down_layer_button.disabled = false
merge_down_layer_button.mouse_default_cursor_shape = Control.CURSOR_POINTING_HAND
else:
move_down_layer_button.disabled = true
move_down_layer_button.mouse_default_cursor_shape = Control.CURSOR_FORBIDDEN
merge_down_layer_button.disabled = true
merge_down_layer_button.mouse_default_cursor_shape = Control.CURSOR_FORBIDDEN
func create_brush_button(brush_img : Image, brush_type := Brush_Types.CUSTOM, hint_tooltip := "") -> void:
var brush_container
var brush_button = load("res://Prefabs/BrushButton.tscn").instance()
brush_button.brush_type = brush_type
brush_button.custom_brush_index = custom_brushes.size() - 1
if brush_type == Brush_Types.FILE || brush_type == Brush_Types.RANDOM_FILE:
brush_container = file_brush_container
else:
brush_container = project_brush_container
var brush_tex := ImageTexture.new()
brush_tex.create_from_image(brush_img, 0)
brush_button.get_child(0).texture = brush_tex
brush_button.hint_tooltip = hint_tooltip
if brush_type == Brush_Types.RANDOM_FILE:
brush_button.random_brushes.append(brush_img)
brush_container.add_child(brush_button)
func remove_brush_buttons() -> void:
current_left_brush_type = Brush_Types.PIXEL
current_right_brush_type = Brush_Types.PIXEL
for child in project_brush_container.get_children():
child.queue_free()
func undo_custom_brush(_brush_button : BaseButton = null) -> void:
undos -= 1
var action_name := undo_redo.get_current_action_name()
if action_name == "Delete Custom Brush":
project_brush_container.add_child(_brush_button)
project_brush_container.move_child(_brush_button, _brush_button.custom_brush_index - brushes_from_files)
_brush_button.get_node("DeleteButton").visible = false
notification_label("Undo: %s" % action_name)
func redo_custom_brush(_brush_button : BaseButton = null) -> void:
if undos < undo_redo.get_version(): # If we did undo and then redo
undos = undo_redo.get_version()
var action_name := undo_redo.get_current_action_name()
if action_name == "Delete Custom Brush":
project_brush_container.remove_child(_brush_button)
if control.redone:
notification_label("Redo: %s" % action_name)
func update_left_custom_brush() -> void:
if current_left_brush_type == Brush_Types.PIXEL:
var pixel := Image.new()
pixel = preload("res://Assets/Graphics/pixel_image.png")
left_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
elif current_left_brush_type == Brush_Types.CIRCLE:
var pixel := Image.new()
pixel = preload("res://Assets/Graphics/circle_9x9.png")
left_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
left_circle_points = plot_circle(left_brush_size)
elif current_left_brush_type == Brush_Types.FILLED_CIRCLE:
var pixel := Image.new()
pixel = preload("res://Assets/Graphics/circle_filled_9x9.png")
left_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
left_circle_points = plot_circle(left_brush_size)
else:
var custom_brush := Image.new()
custom_brush.copy_from(custom_brushes[custom_left_brush_index])
var custom_brush_size = custom_brush.get_size()
custom_brush.resize(custom_brush_size.x * left_brush_size, custom_brush_size.y * left_brush_size, Image.INTERPOLATE_NEAREST)
custom_left_brush_image = blend_image_with_color(custom_brush, left_color_picker.color, left_interpolate_spinbox.value / 100)
custom_left_brush_texture.create_from_image(custom_left_brush_image, 0)
left_brush_type_button.get_child(0).texture = custom_left_brush_texture
func update_right_custom_brush() -> void:
if current_right_brush_type == Brush_Types.PIXEL:
var pixel := Image.new()
pixel = preload("res://Assets/Graphics/pixel_image.png")
right_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
elif current_right_brush_type == Brush_Types.CIRCLE:
var pixel := Image.new()
pixel = preload("res://Assets/Graphics/circle_9x9.png")
right_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
right_circle_points = plot_circle(right_brush_size)
elif current_right_brush_type == Brush_Types.FILLED_CIRCLE:
var pixel := Image.new()
pixel = preload("res://Assets/Graphics/circle_filled_9x9.png")
right_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
right_circle_points = plot_circle(right_brush_size)
else:
var custom_brush := Image.new()
custom_brush.copy_from(custom_brushes[custom_right_brush_index])
var custom_brush_size = custom_brush.get_size()
custom_brush.resize(custom_brush_size.x * right_brush_size, custom_brush_size.y * right_brush_size, Image.INTERPOLATE_NEAREST)
custom_right_brush_image = blend_image_with_color(custom_brush, right_color_picker.color, right_interpolate_spinbox.value / 100)
custom_right_brush_texture.create_from_image(custom_right_brush_image, 0)
right_brush_type_button.get_child(0).texture = custom_right_brush_texture
func blend_image_with_color(image : Image, color : Color, interpolate_factor : float) -> Image:
var blended_image := Image.new()
blended_image.copy_from(image)
var size := image.get_size()
blended_image.lock()
for xx in size.x:
for yy in size.y:
if color.a > 0: # If it's the pencil
var current_color := blended_image.get_pixel(xx, yy)
if current_color.a > 0:
var new_color := current_color.linear_interpolate(color, interpolate_factor)
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new_color.a = current_color.a
blended_image.set_pixel(xx, yy, new_color)
else: # If color is transparent - if it's the eraser
blended_image.set_pixel(xx, yy, Color(0, 0, 0, 0))
return blended_image
# Algorithm based on http://members.chello.at/easyfilter/bresenham.html
# This is not used for drawing, rather for finding the points required
# for the mouse cursor/position indicator
func plot_circle(r : int) -> Array:
var circle_points := []
var xm := 0
var ym := 0
var x := -r
var y := 0
var err := 2 - r * 2
while x < 0:
circle_points.append(Vector2(xm - x, ym + y))
circle_points.append(Vector2(xm - y, ym - x))
circle_points.append(Vector2(xm + x, ym - y))
circle_points.append(Vector2(xm + y, ym + x))
r = err
if r <= y:
y += 1
err += y * 2 + 1
if r > x || err > y:
x += 1
err += x * 2 + 1
return circle_points
func scale3X(sprite : Image, tol : float = 50) -> Image:
var scaled = Image.new()
scaled.create(sprite.get_width()*3, sprite.get_height()*3, false, Image.FORMAT_RGBA8)
scaled.lock()
sprite.lock()
var a : Color
var b : Color
var c : Color
var d : Color
var e : Color
var f : Color
var g : Color
var h : Color
var i : Color
for x in range(1,sprite.get_width()-1):
for y in range(1,sprite.get_height()-1):
var xs : float = 3*x
var ys : float = 3*y
a = sprite.get_pixel(x-1,y-1)
b = sprite.get_pixel(x,y-1)
c = sprite.get_pixel(x+1,y-1)
d = sprite.get_pixel(x-1,y)
e = sprite.get_pixel(x,y)
f = sprite.get_pixel(x+1,y)
g = sprite.get_pixel(x-1,y+1)
h = sprite.get_pixel(x,y+1)
i = sprite.get_pixel(x+1,y+1)
var db : bool = similarColors(d, b, tol)
var dh : bool = similarColors(d, h, tol)
var bf : bool = similarColors(f, b, tol)
var ec : bool = similarColors(e, c, tol)
var ea : bool = similarColors(e, a, tol)
var fh : bool = similarColors(f, h, tol)
var eg : bool = similarColors(e, g, tol)
var ei : bool = similarColors(e, i, tol)
scaled.set_pixel(xs-1, ys-1, d if (db and !dh and !bf) else e )
scaled.set_pixel(xs, ys-1, b if (db and !dh and !bf and !ec) or
(bf and !db and !fh and !ea) else e)
scaled.set_pixel(xs+1, ys-1, f if (bf and !db and !fh) else e)
scaled.set_pixel(xs-1, ys, d if (dh and !fh and !db and !ea) or
(db and !dh and !bf and !eg) else e)
scaled.set_pixel(xs, ys, e);
scaled.set_pixel(xs+1, ys, f if (bf and !db and !fh and !ei) or
(fh and !bf and !dh and !ec) else e)
scaled.set_pixel(xs-1, ys+1, d if (dh and !fh and !db) else e)
scaled.set_pixel(xs, ys+1, h if (fh and !bf and !dh and !eg) or
(dh and !fh and !db and !ei) else e)
scaled.set_pixel(xs+1, ys+1, f if (fh and !bf and !dh) else e)
scaled.unlock()
sprite.unlock()
return scaled
func rotxel(sprite : Image, angle : float) -> void:
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# If angle is simple, then nn rotation is the best
2020-02-03 16:55:55 +00:00
if angle == 0 || angle == PI/2 || angle == PI || angle == 2*PI:
nn_rotate(sprite, angle)
return
var aux : Image = Image.new()
aux.copy_from(sprite)
var center : Vector2 = Vector2(sprite.get_width()/2, sprite.get_height()/2)
var ox : int
var oy : int
var p : Color
aux.lock()
sprite.lock()
for x in range(sprite.get_width()):
for y in range(sprite.get_height()):
var dx = 3*(x - center.x)
var dy = 3*(y - center.y)
var found_pixel : bool = false
for k in range(9):
var i = -1 + k % 3
var j = -1 + int(k / 3)
var dir = atan2(dy + j, dx + i)
var mag = sqrt(pow(dx + i, 2) + pow(dy + j, 2))
dir -= angle
ox = round(center.x*3 + 1 + mag*cos(dir))
oy = round(center.y*3 + 1 + mag*sin(dir))
if (sprite.get_width() % 2 != 0):
ox += 1
oy += 1
if (ox >= 0 && ox < sprite.get_width()*3
&& oy >= 0 && oy < sprite.get_height()*3):
found_pixel = true
break
if !found_pixel:
sprite.set_pixel(x, y, Color(0,0,0,0))
continue
var fil : int = oy % 3
var col : int = ox % 3
var index : int = col + 3*fil
ox = round((ox - 1)/3.0);
oy = round((oy - 1)/3.0);
var a : Color
var b : Color
var c : Color
var d : Color
var e : Color
var f : Color
var g : Color
var h : Color
var i : Color
if (ox == 0 || ox == sprite.get_width() - 1 ||
oy == 0 || oy == sprite.get_height() - 1):
p = aux.get_pixel(ox, oy)
else:
a = aux.get_pixel(ox-1,oy-1);
b = aux.get_pixel(ox,oy-1);
c = aux.get_pixel(ox+1,oy-1);
d = aux.get_pixel(ox-1,oy);
e = aux.get_pixel(ox,oy);
f = aux.get_pixel(ox+1,oy);
g = aux.get_pixel(ox-1,oy+1);
h = aux.get_pixel(ox,oy+1);
i = aux.get_pixel(ox+1,oy+1);
match(index):
0:
p = d if (similarColors(d,b) && !similarColors(d,h)
&& !similarColors(b,f)) else e;
1:
p = b if ((similarColors(d,b) && !similarColors(d,h) &&
!similarColors(b,f) && !similarColors(e,c)) ||
(similarColors(b,f) && !similarColors(d,b) &&
!similarColors(f,h) && !similarColors(e,a))) else e;
2:
p = f if (similarColors(b,f) && !similarColors(d,b) &&
!similarColors(f,h)) else e;
3:
p = d if ((similarColors(d,h) && !similarColors(f,h) &&
!similarColors(d,b) && !similarColors(e,a)) ||
(similarColors(d,b) && !similarColors(d,h) &&
!similarColors(b,f) && !similarColors(e,g))) else e;
4:
p = e
5:
p = f if((similarColors(b,f) && !similarColors(d,b) &&
!similarColors(f,h) && !similarColors(e,i))
|| (similarColors(f,h) && !similarColors(b,f) &&
!similarColors(d,h) && !similarColors(e,c))) else e;
6:
p = d if (similarColors(d,h) && !similarColors(f,h) &&
!similarColors(d,b)) else e;
7:
p = h if ((similarColors(f,h) && !similarColors(f,b) &&
!similarColors(d,h) && !similarColors(e,g))
|| (similarColors(d,h) && !similarColors(f,h) &&
!similarColors(d,b) && !similarColors(e,i))) else e;
8:
p = f if (similarColors(f,h) && !similarColors(f,b) &&
!similarColors(d,h)) else e;
sprite.set_pixel(x, y, p)
sprite.unlock()
aux.unlock()
func nn_rotate(sprite : Image, angle : float) -> void:
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var aux : Image = Image.new()
aux.copy_from(sprite)
sprite.lock()
aux.lock()
var ox: int
var oy: int
var center : Vector2 = Vector2(sprite.get_width()/2, sprite.get_height()/2)
for x in range(sprite.get_width()):
for y in range(sprite.get_height()):
ox = (x - center.x)*cos(angle) + (y - center.y)*sin(angle) + center.x
oy = -(x - center.x)*sin(angle) + (y - center.y)*cos(angle) + center.y
if ox >= 0 && ox < sprite.get_width() && oy >= 0 && oy < sprite.get_height():
sprite.set_pixel(x, y, aux.get_pixel(ox, oy))
else:
sprite.set_pixel(x, y, Color(0,0,0,0))
sprite.unlock()
aux.unlock()
func similarColors(c1 : Color, c2 : Color, tol : float = 100) -> bool:
var dist = colorDistance(c1, c2)
return dist <= tol
func colorDistance(c1 : Color, c2 : Color) -> float:
return sqrt(pow((c1.r - c2.r)*255, 2) + pow((c1.g - c2.g)*255, 2)
+ pow((c1.b - c2.b)*255, 2) + pow((c1.a - c2.a)*255, 2))
func _exit_tree() -> void:
config_cache.set_value("window", "screen", OS.current_screen)
config_cache.set_value("window", "maximized", OS.window_maximized || OS.window_fullscreen)
config_cache.set_value("window", "position", OS.window_position)
config_cache.set_value("window", "size", OS.window_size)
config_cache.save("user://cache.ini")
# Thanks to qarmin from GitHub for pointing this out
undo_redo.free()