52 lines
1.2 KiB
GDScript
52 lines
1.2 KiB
GDScript
extends Node
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var cwd = "."
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var shader_path = "":
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get():
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return shader_path
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set(v):
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shader_path = v
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if "/" in v: # update current working directory
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cwd = v.substr(0, v.rfind("/"))
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var shader: Shader:
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get():
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if shader_path == "":
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return null
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print("Load ", shader_path)
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return load(shader_path)
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var image_path = ""
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var original_image: ImageTexture
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var result: Image
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var last_image_savepath = ""
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var last_original_image_path = ""
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func get_absolute_path(p: String) -> String:
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# this only works on Linux!
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if !p.begins_with("/"):
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return self.cwd + "/" + p.lstrip("./")
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return p
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func load_image() -> String: # returns an error message
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print("Load ", image_path)
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var img = Image.new()
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var err = img.load(image_path)
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if err == OK:
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original_image = ImageTexture.create_from_image(img)
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if self.last_image_savepath == "" or image_path != self.last_original_image_path:
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self.last_image_savepath = image_path
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self.last_original_image_path = image_path
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return ""
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return error_string(err) + " " + image_path
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func save_result(path: String):
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print("Export ", path)
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var err = self.result.save_png(path)
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if err != OK:
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print("An error occured!")
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else:
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self.last_image_savepath = path
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