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Fix crash when using indexed mode without a palette

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This commit is contained in:
Emmanouil Papadeas 2024-11-23 14:17:41 +02:00
parent 5f53a3eb7b
commit 01b55aca07
1 changed files with 6 additions and 4 deletions
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10
src/Classes/ImageExtended.gd
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@ -74,6 +74,8 @@ func select_palette(_name: String, convert_to_rgb := true) -> void:
## Updates [member palette] to contain the colors of [member current_palette].
func update_palette() -> void:
if not is_instance_valid(current_palette):
return
if palette.size() != current_palette.colors_max:
palette.resize(current_palette.colors_max)
palette.fill(TRANSPARENT)
@ -83,9 +85,9 @@ func update_palette() -> void:
## Displays the actual RGBA values of each pixel in the image from indexed mode.
func convert_indexed_to_rgb() -> void:
if not is_indexed:
if not is_indexed or not is_instance_valid(current_palette):
return
var palette_image := Palettes.current_palette.convert_to_image(false)
var palette_image := current_palette.convert_to_image(false)
var palette_texture := ImageTexture.create_from_image(palette_image)
var shader_image_effect := ShaderImageEffect.new()
var indices_texture := ImageTexture.create_from_image(indices_image)
@ -97,9 +99,9 @@ func convert_indexed_to_rgb() -> void:
## Automatically maps each color of the image's pixel to the closest color of the palette,
## by finding the palette color's index and storing it in [member indices_image].
func convert_rgb_to_indexed() -> void:
if not is_indexed:
if not is_indexed or not is_instance_valid(current_palette):
return
var palette_image := Palettes.current_palette.convert_to_image(false)
var palette_image := current_palette.convert_to_image(false)
var palette_texture := ImageTexture.create_from_image(palette_image)
var params := {
"palette_texture": palette_texture, "rgb_texture": ImageTexture.create_from_image(self)