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Fix wrong preview in the gradient dialog when editing the gradient and dithering is enabled

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This commit is contained in:
Emmanouil Papadeas 2024-09-13 01:02:48 +03:00
parent 501a7d3c02
commit 1e2e5dc431
2 changed files with 10 additions and 10 deletions
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11
src/UI/Dialogs/ImageEffects/GradientDialog.gd
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@ -63,17 +63,20 @@ func commit_action(cel: Image, project := Global.current_project) -> void:
var dither_texture := selected_dither_matrix.texture
var gradient := gradient_edit.gradient
var n_of_colors := gradient.offsets.size()
var offsets := gradient.offsets
offsets.sort()
var n_of_colors := offsets.size()
# Pass the gradient offsets as an array to the shader
# ...but since Godot 3.x doesn't support uniform arrays, instead we construct
# ...but we can't provide arrays with variable sizes as uniforms, instead we construct
# a nx1 grayscale texture with each offset stored in each pixel, and pass it to the shader
var offsets_image := Image.create(n_of_colors, 1, false, Image.FORMAT_L8)
# Construct an image that contains the selected colors of the gradient without interpolation
var gradient_image := Image.create(n_of_colors, 1, false, Image.FORMAT_RGBA8)
for i in n_of_colors:
var c := gradient.offsets[i]
var c := offsets[i]
offsets_image.set_pixel(i, 0, Color(c, c, c, c))
gradient_image.set_pixel(i, 0, gradient.colors[i])
var actual_index := gradient.offsets.find(offsets[i])
gradient_image.set_pixel(i, 0, gradient.colors[actual_index])
var offsets_tex := ImageTexture.create_from_image(offsets_image)
var gradient_tex: Texture2D
if shader == shader_linear:

9
src/UI/Dialogs/ImageEffects/GradientDialog.tscn
View file

@ -32,10 +32,9 @@ unique_name_in_owner = true
layout_mode = 2
size_flags_horizontal = 3
mouse_default_cursor_shape = 2
item_count = 2
selected = 0
item_count = 2
popup/item_0/text = "Linear"
popup/item_0/id = 0
popup/item_1/text = "Radial"
popup/item_1/id = 1
@ -47,10 +46,9 @@ text = "Dithering pattern:"
unique_name_in_owner = true
layout_mode = 2
mouse_default_cursor_shape = 2
item_count = 1
selected = 0
item_count = 1
popup/item_0/text = "None"
popup/item_0/id = 0
[node name="RepeatLabel" type="Label" parent="VBoxContainer/GradientOptions" index="4" groups=["gradient_common"]]
layout_mode = 2
@ -60,10 +58,9 @@ text = "Repeat:"
unique_name_in_owner = true
layout_mode = 2
mouse_default_cursor_shape = 2
item_count = 4
selected = 0
item_count = 4
popup/item_0/text = "None"
popup/item_0/id = 0
popup/item_1/text = "Repeat"
popup/item_1/id = 1
popup/item_2/text = "Mirror"