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Pixelorama/src/Classes/ImageEffect.gd
2021-04-23 23:37:07 +03:00

133 lines
4.2 KiB
GDScript

class_name ImageEffect extends AcceptDialog
# Parent class for all image effects
# Methods that have "pass" are meant to be replaced by the inherited Scripts
enum {CEL, FRAME, ALL_FRAMES, ALL_PROJECTS}
var affect : int = CEL
var current_cel : Image
var current_frame : Image
var preview_image : Image
var preview_texture : ImageTexture
var preview : TextureRect
var selection_checkbox : CheckBox
var affect_option_button : OptionButton
func _ready() -> void:
set_nodes()
current_cel = Image.new()
current_frame = Image.new()
current_frame.create(Global.current_project.size.x, Global.current_project.size.y, false, Image.FORMAT_RGBA8)
preview_image = Image.new()
preview_texture = ImageTexture.new()
connect("about_to_show", self, "_about_to_show")
connect("popup_hide", self, "_popup_hide")
connect("confirmed", self, "_confirmed")
if selection_checkbox:
selection_checkbox.connect("toggled", self, "_on_SelectionCheckBox_toggled")
if affect_option_button:
affect_option_button.connect("item_selected", self, "_on_AffectOptionButton_item_selected")
func _about_to_show() -> void:
Global.canvas.selection.transform_content_confirm()
current_cel = Global.current_project.frames[Global.current_project.current_frame].cels[Global.current_project.current_layer].image
current_frame.resize(Global.current_project.size.x, Global.current_project.size.y)
current_frame.fill(Color(0, 0, 0, 0))
var frame = Global.current_project.frames[Global.current_project.current_frame]
Export.blend_layers(current_frame, frame)
if selection_checkbox:
_on_SelectionCheckBox_toggled(selection_checkbox.pressed)
else:
update_preview()
update_transparent_background_size()
func _confirmed() -> void:
if affect == CEL:
if !Global.current_project.layers[Global.current_project.current_layer].can_layer_get_drawn(): # No changes if the layer is locked or invisible
return
Global.canvas.handle_undo("Draw")
commit_action(current_cel)
Global.canvas.handle_redo("Draw")
elif affect == FRAME:
Global.canvas.handle_undo("Draw", Global.current_project, -1)
var i := 0
for cel in Global.current_project.frames[Global.current_project.current_frame].cels:
if Global.current_project.layers[i].can_layer_get_drawn():
commit_action(cel.image)
i += 1
Global.canvas.handle_redo("Draw", Global.current_project, -1)
elif affect == ALL_FRAMES:
Global.canvas.handle_undo("Draw", Global.current_project, -1, -1)
for frame in Global.current_project.frames:
var i := 0
for cel in frame.cels:
if Global.current_project.layers[i].can_layer_get_drawn():
commit_action(cel.image)
i += 1
Global.canvas.handle_redo("Draw", Global.current_project, -1, -1)
elif affect == ALL_PROJECTS:
for project in Global.projects:
Global.canvas.handle_undo("Draw", project, -1, -1)
for frame in project.frames:
var i := 0
for cel in frame.cels:
if project.layers[i].can_layer_get_drawn():
commit_action(cel.image, project)
i += 1
Global.canvas.handle_redo("Draw", project, -1, -1)
func commit_action(_cel : Image, _project : Project = Global.current_project) -> void:
pass
func set_nodes() -> void:
pass
func _on_SelectionCheckBox_toggled(_button_pressed : bool) -> void:
update_preview()
func _on_AffectOptionButton_item_selected(index : int) -> void:
affect = index
update_preview()
func update_preview() -> void:
match affect:
CEL:
preview_image.copy_from(current_cel)
_:
preview_image.copy_from(current_frame)
commit_action(preview_image)
preview_image.unlock()
preview_texture.create_from_image(preview_image, 0)
preview.texture = preview_texture
func update_transparent_background_size() -> void:
if !preview:
return
var image_size_y = preview.rect_size.y
var image_size_x = preview.rect_size.x
if preview_image.get_size().x > preview_image.get_size().y:
var scale_ratio = preview_image.get_size().x / image_size_x
image_size_y = preview_image.get_size().y / scale_ratio
else:
var scale_ratio = preview_image.get_size().y / image_size_y
image_size_x = preview_image.get_size().x / scale_ratio
preview.get_node("TransparentChecker").rect_size.x = image_size_x
preview.get_node("TransparentChecker").rect_size.y = image_size_y
func _popup_hide() -> void:
Global.dialog_open(false)