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Code Issues Wiki Activity

Fix regression where interecting selections was not working

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This commit is contained in:
Emmanouil Papadeas 2024-04-13 15:34:36 +03:00
parent 79b18fc242
commit 1e83173697
7 changed files with 61 additions and 36 deletions
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2
src/Shaders/ColorSelect.gdshader
View file

@ -1,7 +1,7 @@
shader_type canvas_item;
render_mode unshaded;
uniform sampler2D selection : hint_default_black;
uniform sampler2D selection : filter_nearest, hint_default_black;
uniform vec4 color;
uniform float similarity_percent : hint_range(0.0, 100.0);
uniform int operation = 0; // 0 = add, 1 = subtract, 2 = intersect

5
src/Tools/SelectionTools/EllipseSelect.gd
View file

@ -92,8 +92,9 @@ func apply_selection(_position: Vector2i) -> void:
func set_ellipse(selection_map: SelectionMap, pos: Vector2i) -> void:
var project := Global.current_project
var bitmap_size := selection_map.get_size()
var previous_selection_map := SelectionMap.new() # Used for intersect
previous_selection_map.copy_from(selection_map)
if _intersect:
selection_map.clear()
var points := DrawingAlgos.get_ellipse_points_filled(Vector2.ZERO, _rect.size)
@ -102,7 +103,7 @@ func set_ellipse(selection_map: SelectionMap, pos: Vector2i) -> void:
if fill_p.x < 0 or fill_p.y < 0 or fill_p.x >= bitmap_size.x or fill_p.y >= bitmap_size.y:
continue
if _intersect:
if project.selection_map.is_pixel_selected(fill_p):
if previous_selection_map.is_pixel_selected(fill_p):
selection_map.select_pixel(fill_p, true)
else:
selection_map.select_pixel(fill_p, !_subtract)

21
src/Tools/SelectionTools/Lasso.gd
View file

@ -76,21 +76,26 @@ func apply_selection(_position) -> void:
super.apply_selection(_position)
var project := Global.current_project
var cleared := false
var previous_selection_map := SelectionMap.new() # Used for intersect
previous_selection_map.copy_from(project.selection_map)
if !_add and !_subtract and !_intersect:
cleared = true
Global.canvas.selection.clear_selection()
if _draw_points.size() > 3:
if _intersect:
project.selection_map.clear()
lasso_selection(project.selection_map, _draw_points)
lasso_selection(project.selection_map, previous_selection_map, _draw_points)
# Handle mirroring
if Tools.horizontal_mirror:
lasso_selection(project.selection_map, mirror_array(_draw_points, true, false))
var mirror_x := mirror_array(_draw_points, true, false)
lasso_selection(project.selection_map, previous_selection_map, mirror_x)
if Tools.vertical_mirror:
lasso_selection(project.selection_map, mirror_array(_draw_points, true, true))
var mirror_xy := mirror_array(_draw_points, true, true)
lasso_selection(project.selection_map, previous_selection_map, mirror_xy)
if Tools.vertical_mirror:
lasso_selection(project.selection_map, mirror_array(_draw_points, false, true))
var mirror_y := mirror_array(_draw_points, false, true)
lasso_selection(project.selection_map, previous_selection_map, mirror_y)
Global.canvas.selection.big_bounding_rectangle = project.selection_map.get_used_rect()
else:
@ -102,14 +107,16 @@ func apply_selection(_position) -> void:
_last_position = Vector2.INF
func lasso_selection(selection_map: SelectionMap, points: Array[Vector2i]) -> void:
func lasso_selection(
selection_map: SelectionMap, previous_selection_map: SelectionMap, points: Array[Vector2i]
) -> void:
var project := Global.current_project
var selection_size := selection_map.get_size()
for point in points:
if point.x < 0 or point.y < 0 or point.x >= selection_size.x or point.y >= selection_size.y:
continue
if _intersect:
if project.selection_map.is_pixel_selected(point):
if previous_selection_map.is_pixel_selected(point):
selection_map.select_pixel(point, true)
else:
selection_map.select_pixel(point, !_subtract)
@ -122,7 +129,7 @@ func lasso_selection(selection_map: SelectionMap, points: Array[Vector2i]) -> vo
v.y = y
if Geometry2D.is_point_in_polygon(v, points):
if _intersect:
if project.selection_map.is_pixel_selected(v):
if previous_selection_map.is_pixel_selected(v):
selection_map.select_pixel(v, true)
else:
selection_map.select_pixel(v, !_subtract)

22
src/Tools/SelectionTools/MagicWand.gd
View file

@ -24,18 +24,19 @@ func apply_selection(pos: Vector2i) -> void:
var project := Global.current_project
if pos.x < 0 or pos.y < 0 or pos.x >= project.size.x or pos.y >= project.size.y:
return
var previous_selection_map := SelectionMap.new() # Used for intersect
previous_selection_map.copy_from(project.selection_map)
if !_add and !_subtract and !_intersect:
Global.canvas.selection.clear_selection()
if _intersect:
project.selection_map.clear()
var cel_image := Image.new()
cel_image.copy_from(_get_draw_image())
_flood_fill(pos, cel_image, project.selection_map)
_flood_fill(pos, cel_image, project.selection_map, previous_selection_map)
# Handle mirroring
for mirror_pos in Tools.get_mirrored_positions(pos):
_flood_fill(mirror_pos, cel_image, project.selection_map)
_flood_fill(mirror_pos, cel_image, project.selection_map, previous_selection_map)
Global.canvas.selection.big_bounding_rectangle = project.selection_map.get_used_rect()
Global.canvas.selection.commit_undo("Select", undo_data)
@ -119,7 +120,9 @@ func _check_flooded_segment(
return ret
func _flood_fill(pos: Vector2i, image: Image, selection_map: SelectionMap) -> void:
func _flood_fill(
pos: Vector2i, image: Image, selection_map: SelectionMap, previous_selection_map: SelectionMap
) -> void:
# implements the floodfill routine by Shawn Hargreaves
# from https://www1.udel.edu/CIS/software/dist/allegro-4.2.1/src/flood.c
var project := Global.current_project
@ -130,7 +133,7 @@ func _flood_fill(pos: Vector2i, image: Image, selection_map: SelectionMap) -> vo
_compute_segments_for_image(pos, project, image, color)
# now actually color the image: since we have already checked a few things for the points
# we'll process here, we're going to skip a bunch of safety checks to speed things up.
_select_segments(selection_map)
_select_segments(selection_map, previous_selection_map)
func _compute_segments_for_image(
@ -162,18 +165,17 @@ func _compute_segments_for_image(
done = false
func _select_segments(selection_map: SelectionMap) -> void:
func _select_segments(selection_map: SelectionMap, previous_selection_map: SelectionMap) -> void:
# short circuit for flat colors
for c in _allegro_image_segments.size():
var p := _allegro_image_segments[c]
for px in range(p.left_position, p.right_position + 1):
# We don't have to check again whether the point being processed is within the bounds
_set_bit(Vector2i(px, p.y), selection_map)
_set_bit(Vector2i(px, p.y), selection_map, previous_selection_map)
func _set_bit(p: Vector2i, selection_map: SelectionMap) -> void:
var project := Global.current_project
func _set_bit(p: Vector2i, selection_map: SelectionMap, prev_selection_map: SelectionMap) -> void:
if _intersect:
selection_map.select_pixel(p, project.selection_map.is_pixel_selected(p))
selection_map.select_pixel(p, prev_selection_map.is_pixel_selected(p))
else:
selection_map.select_pixel(p, !_subtract)

20
src/Tools/SelectionTools/PaintSelect.gd
View file

@ -104,6 +104,8 @@ func apply_selection(pos: Vector2i) -> void:
super.apply_selection(pos)
var project := Global.current_project
var cleared := false
var previous_selection_map := SelectionMap.new() # Used for intersect
previous_selection_map.copy_from(project.selection_map)
if !_add and !_subtract and !_intersect:
cleared = true
Global.canvas.selection.clear_selection()
@ -111,15 +113,18 @@ func apply_selection(pos: Vector2i) -> void:
if _draw_points.size() >= 1:
if _intersect:
project.selection_map.clear()
paint_selection(project.selection_map, _draw_points)
paint_selection(project.selection_map, previous_selection_map, _draw_points)
# Handle mirroring
if Tools.horizontal_mirror:
paint_selection(project.selection_map, mirror_array(_draw_points, true, false))
var mirror_x := mirror_array(_draw_points, true, false)
paint_selection(project.selection_map, previous_selection_map, mirror_x)
if Tools.vertical_mirror:
paint_selection(project.selection_map, mirror_array(_draw_points, true, true))
var mirror_xy := mirror_array(_draw_points, true, true)
paint_selection(project.selection_map, previous_selection_map, mirror_xy)
if Tools.vertical_mirror:
paint_selection(project.selection_map, mirror_array(_draw_points, false, true))
var mirror_y := mirror_array(_draw_points, false, true)
paint_selection(project.selection_map, previous_selection_map, mirror_y)
Global.canvas.selection.big_bounding_rectangle = project.selection_map.get_used_rect()
else:
@ -131,14 +136,15 @@ func apply_selection(pos: Vector2i) -> void:
_last_position = Vector2.INF
func paint_selection(selection_map: SelectionMap, points: Array[Vector2i]) -> void:
var project := Global.current_project
func paint_selection(
selection_map: SelectionMap, previous_selection_map: SelectionMap, points: Array[Vector2i]
) -> void:
var selection_size := selection_map.get_size()
for point in points:
if point.x < 0 or point.y < 0 or point.x >= selection_size.x or point.y >= selection_size.y:
continue
if _intersect:
if project.selection_map.is_pixel_selected(point):
if previous_selection_map.is_pixel_selected(point):
selection_map.select_pixel(point, true)
else:
selection_map.select_pixel(point, !_subtract)

21
src/Tools/SelectionTools/PolygonSelect.gd
View file

@ -115,21 +115,26 @@ func apply_selection(pos: Vector2i) -> void:
return
var project := Global.current_project
var cleared := false
var previous_selection_map := SelectionMap.new() # Used for intersect
previous_selection_map.copy_from(project.selection_map)
if !_add and !_subtract and !_intersect:
cleared = true
Global.canvas.selection.clear_selection()
if _draw_points.size() > 3:
if _intersect:
project.selection_map.clear()
lasso_selection(project.selection_map, _draw_points)
lasso_selection(project.selection_map, previous_selection_map, _draw_points)
# Handle mirroring
if Tools.horizontal_mirror:
lasso_selection(project.selection_map, mirror_array(_draw_points, true, false))
var mirror_x := mirror_array(_draw_points, true, false)
lasso_selection(project.selection_map, previous_selection_map, mirror_x)
if Tools.vertical_mirror:
lasso_selection(project.selection_map, mirror_array(_draw_points, true, true))
var mirror_xy := mirror_array(_draw_points, true, true)
lasso_selection(project.selection_map, previous_selection_map, mirror_xy)
if Tools.vertical_mirror:
lasso_selection(project.selection_map, mirror_array(_draw_points, false, true))
var mirror_y := mirror_array(_draw_points, false, true)
lasso_selection(project.selection_map, previous_selection_map, mirror_y)
Global.canvas.selection.big_bounding_rectangle = project.selection_map.get_used_rect()
else:
@ -143,14 +148,16 @@ func apply_selection(pos: Vector2i) -> void:
Global.canvas.previews.queue_redraw()
func lasso_selection(selection_map: SelectionMap, points: Array[Vector2i]) -> void:
func lasso_selection(
selection_map: SelectionMap, previous_selection_map: SelectionMap, points: Array[Vector2i]
) -> void:
var project := Global.current_project
var selection_size := selection_map.get_size()
for point in points:
if point.x < 0 or point.y < 0 or point.x >= selection_size.x or point.y >= selection_size.y:
continue
if _intersect:
if project.selection_map.is_pixel_selected(point):
if previous_selection_map.is_pixel_selected(point):
selection_map.select_pixel(point, true)
else:
selection_map.select_pixel(point, !_subtract)
@ -163,7 +170,7 @@ func lasso_selection(selection_map: SelectionMap, points: Array[Vector2i]) -> vo
v.y = y
if Geometry2D.is_point_in_polygon(v, points):
if _intersect:
if project.selection_map.is_pixel_selected(v):
if previous_selection_map.is_pixel_selected(v):
selection_map.select_pixel(v, true)
else:
selection_map.select_pixel(v, !_subtract)

6
src/UI/Canvas/Selection.gd
View file

@ -421,14 +421,16 @@ func select_rect(rect: Rect2i, operation := SelectionOperation.ADD) -> void:
elif operation == SelectionOperation.SUBTRACT:
project.selection_map.fill_rect(rect, Color(0))
elif operation == SelectionOperation.INTERSECT:
var previous_selection_map := SelectionMap.new()
previous_selection_map.copy_from(project.selection_map)
project.selection_map.clear()
for x in range(rect.position.x, rect.end.x):
for y in range(rect.position.y, rect.end.y):
var pos := Vector2i(x, y)
if !Rect2i(Vector2i.ZERO, project.selection_map.get_size()).has_point(pos):
if !Rect2i(Vector2i.ZERO, previous_selection_map.get_size()).has_point(pos):
continue
project.selection_map.select_pixel(
pos, project.selection_map.is_pixel_selected(pos)
pos, previous_selection_map.is_pixel_selected(pos)
)
big_bounding_rectangle = project.selection_map.get_used_rect()