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Update gdgifexporter (#299)

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Martin Novák 2020-08-08 23:16:03 +02:00 • committed by GitHub
parent da656df5b7
commit e171e2ee65
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 55 additions and 24 deletions
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27
addons/gdgifexporter/converter.gd
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@ -1,7 +1,20 @@
extends Node
func setup(image: Image, colors: Array) -> PoolByteArray:
var _shader: Shader
func get_indexed_datas(image: Image, colors: Array) -> PoolByteArray:
_shader = preload("./lookup_color.shader")
return _convert(image, colors)
func get_similar_indexed_datas(image: Image, colors: Array) -> PoolByteArray:
_shader = preload("./lookup_similar.shader")
return _convert(image, colors)
func _convert(image: Image, colors: Array) -> PoolByteArray:
var vp = VisualServer.viewport_create()
var canvas = VisualServer.canvas_create()
VisualServer.viewport_attach_canvas(vp, canvas)
@ -18,13 +31,13 @@ func setup(image: Image, colors: Array) -> PoolByteArray:
texture.create_from_image(image)
VisualServer.canvas_item_add_texture_rect(ci_rid, Rect2(Vector2(0, 0), image.get_size()), texture)
var shader = preload("./lookup_similar.shader")
var mat_rid = VisualServer.material_create()
VisualServer.material_set_shader(mat_rid, shader.get_rid())
VisualServer.material_set_shader(mat_rid, _shader.get_rid())
var lut = Image.new()
lut.create(256, 1, false, Image.FORMAT_RGB8)
lut.fill(Color8(colors[0][0], colors[0][1], colors[0][2]))
lut.lock()
for i in 256:
for i in colors.size():
lut.set_pixel(i, 0, Color8(colors[i][0], colors[i][1], colors[i][2]))
var lut_tex = ImageTexture.new()
lut_tex.create_from_image(lut)
@ -35,5 +48,11 @@ func setup(image: Image, colors: Array) -> PoolByteArray:
VisualServer.viewport_set_vflip(vp, true)
VisualServer.force_draw(false)
image = VisualServer.texture_get_data(VisualServer.viewport_get_texture(vp))
VisualServer.free_rid(vp)
VisualServer.free_rid(canvas)
VisualServer.free_rid(ci_rid)
VisualServer.free_rid(mat_rid)
image.convert(Image.FORMAT_R8)
return image.get_data()